<?xml version="1.0" encoding="UTF-8"?>
<SAMPLE_SET xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <SAMPLE alias="GSM2850523" accession="SRS2680259">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680259</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014305</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850523</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep4</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850524" accession="SRS2680260">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680260</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014304</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850524</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep5</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850526" accession="SRS2680262">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680262</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014302</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850526</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep7</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850527" accession="SRS2680263">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680263</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014301</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850527</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep8</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850530" accession="SRS2680266">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680266</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014298</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850530</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep3</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850531" accession="SRS2680267">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680267</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014297</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850531</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep4</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850533" accession="SRS2680269">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680269</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014295</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850533</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep6</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850534" accession="SRS2680270">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680270</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014294</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850534</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep7</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850536" accession="SRS2680272">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680272</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014292</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850536</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>WT_G93a_Control_rep1</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850538" accession="SRS2680274">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680274</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014290</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850538</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>WT_G93a_Control_rep3</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850541" accession="SRS2680276">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680276</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014287</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850541</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>G93a_rep3</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>G93a</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850520" accession="SRS2680256">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680256</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014308</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850520</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep1</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850521" accession="SRS2680257">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680257</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014307</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850521</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep2</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850522" accession="SRS2680258">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680258</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014306</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850522</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep3</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850525" accession="SRS2680261">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680261</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014303</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850525</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Young_rep6</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>3-4 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850528" accession="SRS2680264">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680264</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014300</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850528</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep1</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850529" accession="SRS2680265">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680265</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014299</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850529</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep2</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850532" accession="SRS2680268">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680268</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014296</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850532</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep5</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850535" accession="SRS2680271">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680271</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014293</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850535</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>Old_rep8</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>18-24 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Roche RNA KAPA Hyperprep</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850537" accession="SRS2680273">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680273</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014291</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850537</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>WT_G93a_Control_rep2</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>Wild type</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850539" accession="SRS2680275">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680275</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014289</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850539</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>G93a_rep1</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>G93a</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM2850540" accession="SRS2680278">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS2680278</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN08014288</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM2850540</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>G93a_rep2</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>418093</ID>
          <LABEL>PRJNA418093</LABEL>
        </XREF_LINK>
      </SAMPLE_LINK>
    </SAMPLE_LINKS>
    <SAMPLE_ATTRIBUTES>
      <SAMPLE_ATTRIBUTE>
        <TAG>source_name</TAG>
        <VALUE>Spinal Cord</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>G93a</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>5-6 months</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>library prep</TAG>
        <VALUE>Illumina TruSeq</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
