Pediatric neuroblastoma tumors are notorious nonimmunogenic cancers. In contrast to adult tumor types, neuroblastoma cells express low MHC-1, a derivative of its embryonic cell origin expressing little MHC-1. We here address the role of the nuclear factor kappa B (NFκB) pathway in controlling MHC-1 expression in embryonic neural crest cells, during differentiation of healthy cells, and in neuroblastoma tumors. Implications for immunotherapy are discussed.
Keywords: MHC-1; immunotherapy; neural crest; neuroblastoma; nuclear factor kappa B.
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