Systematic name M9277
Brief description Genes down-regulated in CD8 T cells after immunization: day 3 versus day 6.
Full description or abstract Much is known concerning the cellular and molecular basis for CD8+ T memory immune responses. Nevertheless, conditions that selectively support memory generation have remained elusive. Here we show that an immunization regimen that delivers TCR signals through a defined antigenic peptide, inflammatory signals through LPS, and growth and differentiation signals through the IL-2R initially favors antigen-specific CD8+ T cells to rapidly and substantially develop into tissue-residing T effector-memory cells by TCR transgenic OVA-specific OT-I CD8+ T cells. Amplified CD8+ T memory development depends upon a critical frequency of antigen-specific T cells and direct responsiveness to IL-2. A homologous prime-boost immunization protocol with transiently enhanced IL-2R signaling in normal mice led to persistent polyclonal antigen-specific CD8+ T cells that supported protective immunity to Listeria monocytogenes. These results identify a general approach for amplified T memory development that may be useful to optimize vaccines aimed at generating robust cell-mediated immunity. Gene expression analysis was performed for OT-I T cells on day 3 and day 5 after activation with ovalbumin and LPS in vivo with and without treatment with IL-2 using an agonists IL-2/anti-IL-2 complexes (IL2/Jes-6.1)
Collection C7: Immunologic Signature
      IMMUNESIGDB: ImmuneSigDB
Source publication Pubmed 23018461   Authors: Castro I,Dee MJ,Malek TR
Exact source GSE39110_2724_200_DN
Related gene sets (show 7 additional gene sets from the source publication)

(show 14 gene sets from the same authors)
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Organism Mus musculus
Contributed by Jernej Godec (Dana-Farber Cancer Institute)
Source platform HUMAN_GENE_SYMBOL
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Version history 7.3: Moved to ImmuneSigDB sub-collection.

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