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Accession IconSRP106808

Signatures of positive selection in germinal center B cells

Organism Icon Mus musculus
Sample Icon 18 Downloadable Samples
Technology Badge IconIllumina HiSeq 2500

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Description
We used RNA sequencing to characterize gene expression of Ly75+/+ B1-8hi and Ly75-/- B1-8hi B cells from the germinal center light zone (LZ) 12 h after forcing positive selection of the Ly75+/+ population with anti-DEC205-OVA. Overall design: We primed C57BL/6 hosts with OVA-alum i.p. and after 2 weeks we adoptively transferred a mixture of B1-8hi B cells in which 15% were Ly75+/+ CD45.1 (DECP) and 85% were Ly75-/- CD45.1/2 (DECN). We then immunized the animals with NP-OVA in the footpads and after 6 days we injected anti-DEC205-OVA. 12 h or 24 h after anti-DEC205-OVA injection we sorted B220+ CD38- CD95+ CD45.1+ CD45.2- CD83hi CXCR4lo (DECPLZ) and B220+ CD38- CD95+ CD45.1+ CD45.2+ CD83hi CXCR4lo (DECNLZ) cells for whole transcriptome analysis by mRNA sequencing.
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18
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