<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="GSM6654286" accession="SRS15450535">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450535</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344118</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654286</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c1 (2 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654287" accession="SRS15450536">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450536</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344117</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654287</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c3 (2 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654288" accession="SRS15450537">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450537</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344116</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654288</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c4 (2 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654289" accession="SRS15450538">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450538</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344115</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654289</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c5 (2 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654290" accession="SRS15450539">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450539</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344114</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654290</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c6 (2 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654291" accession="SRS15450540">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450540</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344113</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654291</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>18c8 (2 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>2 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654292" accession="SRS15450541">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450541</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344112</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654292</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>12e1 (6 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654293" accession="SRS15450542">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450542</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344111</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654293</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>12e2 (6 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654294" accession="SRS15450543">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450543</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344110</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654294</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>12e3 (6 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654296" accession="SRS15450544">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450544</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344108</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654296</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>20b4 (6 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654295" accession="SRS15450545">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450545</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344109</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654295</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>16a6 (6 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654297" accession="SRS15450546">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450546</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344107</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654297</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>20b6 (6 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654298" accession="SRS15450547">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450547</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344106</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654298</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>9a1 (12 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654300" accession="SRS15450548">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450548</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344104</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654300</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>12a2 (12 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654299" accession="SRS15450549">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450549</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344105</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654299</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>12a1 (12 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654301" accession="SRS15450550">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450550</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344103</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654301</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>13a6 (12 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654302" accession="SRS15450551">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450551</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344102</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654302</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>13a7 (12 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654303" accession="SRS15450552">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450552</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344101</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654303</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>13a9 (12 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654304" accession="SRS15450553">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450553</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344100</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654304</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>5e3 (18 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654305" accession="SRS15450554">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450554</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344099</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654305</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>5e4 (18 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654306" accession="SRS15450555">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450555</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344098</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654306</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>5e6 (18 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654307" accession="SRS15450556">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450556</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344097</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654307</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>6f6 (18 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654308" accession="SRS15450557">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450557</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344096</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654308</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>6f7 (18 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654309" accession="SRS15450558">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450558</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344095</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654309</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>6f8 (18 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654310" accession="SRS15450559">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450559</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344094</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654310</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3a3 (24 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654311" accession="SRS15450560">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450560</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344093</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654311</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3b3 (24 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654312" accession="SRS15450561">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450561</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344092</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654312</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>4b2 (24 months, male)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>male</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654313" accession="SRS15450562">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450562</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344091</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654313</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3c5 (24 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654315" accession="SRS15450563">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450563</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344089</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654315</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3c9 (24 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6654314" accession="SRS15450564">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15450564</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31344090</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6654314</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3c8 (24 months, female)</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
      <SAMPLE_LINK>
        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>891694</ID>
          <LABEL>PRJNA891694</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>Sex</TAG>
        <VALUE>female</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Brain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell line</TAG>
        <VALUE>Primary cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>cell type</TAG>
        <VALUE>Endothelial cells</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>WT</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>treatment</TAG>
        <VALUE>None</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>geo_loc_name</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>collection_date</TAG>
        <VALUE>missing</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
