Matches in SemOpenAlex for { <https://semopenalex.org/work/W2913442620> ?p ?o ?g. }
- W2913442620 abstract "Abstract Langerhans cells (LCs) in the epidermis present MHC I and MHC II-restricted antigens thereby priming either CD8 or CD4 T cell immune responses. The genomic programs and transcription factors regulating antigen presentation in LCs remain to be elucidated. We show human LCs are highly efficient in MHC I-antigen cross-presentation but lack the transcription factor IRF8 that is critical in dendritic cells. LC migration from the epidermis enhances their ability to cross-present antigens and is accompanied by the induction of the transcription factor IRF4, whose expression is correlated by scRNA-seq with genes involved in ubiquitin-dependent protein degradation. Chromatin profiling reveals enrichment of EICE and AICE composite DNA binding motifs in regulatory regions of antigen-presentation genes, which can be recognized by IRF4 in conjunction with PU.1 or BATF3 expressed in LCs. Thus, the genomic programming of human LCs including inducible expression of IRF4 with enhanced cross-presentation distinguishes them from conventional dendritic cells." @default.
- W2913442620 created "2019-02-21" @default.
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- W2913442620 date "2019-02-05" @default.
- W2913442620 modified "2023-09-30" @default.
- W2913442620 title "Genomic programming of antigen cross-presentation in IRF4-expressing human Langerhans cells" @default.
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