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      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
        <VALUE>3xTG</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>agent</TAG>
        <VALUE>alphaPD-L1 antibody</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>age</TAG>
        <VALUE>12 weeks old</VALUE>
      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6665387" accession="SRS15496489">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15496489</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31399388</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6665387</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3XTG, TRANSMAB, Day 28, Replicate 1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>892901</ID>
          <LABEL>PRJNA892901</LABEL>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Mice brain without hindbrain</VALUE>
      </SAMPLE_ATTRIBUTE>
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        <TAG>genotype</TAG>
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        <TAG>strain</TAG>
        <VALUE>C57BL/6</VALUE>
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      <SAMPLE_ATTRIBUTE>
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        <TAG>age</TAG>
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      </SAMPLE_ATTRIBUTE>
    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6665377" accession="SRS15496490">
    <IDENTIFIERS>
      <PRIMARY_ID>SRS15496490</PRIMARY_ID>
      <EXTERNAL_ID namespace="BioSample">SAMN31399398</EXTERNAL_ID>
      <EXTERNAL_ID namespace="GEO">GSM6665377</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3XTG, αPD-L1 antibody, Day 4, Replicate 1</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>892901</ID>
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      <SAMPLE_ATTRIBUTE>
        <TAG>tissue</TAG>
        <VALUE>Mice brain without hindbrain</VALUE>
      </SAMPLE_ATTRIBUTE>
      <SAMPLE_ATTRIBUTE>
        <TAG>genotype</TAG>
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        <TAG>strain</TAG>
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        <TAG>agent</TAG>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
  <SAMPLE alias="GSM6665388" accession="SRS15496491">
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      <EXTERNAL_ID namespace="GEO">GSM6665388</EXTERNAL_ID>
    </IDENTIFIERS>
    <TITLE>3XTG, TRANSMAB, Day 28, Replicate 2</TITLE>
    <SAMPLE_NAME>
      <TAXON_ID>10090</TAXON_ID>
      <SCIENTIFIC_NAME>Mus musculus</SCIENTIFIC_NAME>
    </SAMPLE_NAME>
    <SAMPLE_LINKS>
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        <XREF_LINK>
          <DB>bioproject</DB>
          <ID>892901</ID>
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      <SAMPLE_ATTRIBUTE>
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    </SAMPLE_ATTRIBUTES>
  </SAMPLE>
</SAMPLE_SET>
