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    Immunity. 2006 Dec;25(6):871-83.

    Control of B lymphocyte apoptosis by the transcription factor NF-kappaB.

    Source

    Laboratory of Cellular and Molecular Biology, National Institute on Aging, Baltimore, Maryland 21224, USA. rs465z@nih.gov

    Abstract

    B cells maintain homeostasis by balancing cell viability and cell death. B lymphocytes are susceptible to mitochondria- and receptor-initiated cell death at various stages of peripheral differentiation and during immune responses. The inducible transcription factor NF-kappaB enhances cell viability by activating genes that counteract both cell-death pathways. This review uses characteristic features of NF-kappaB activation and downregulation to provide insight into the regulation of B cell apoptosis in the periphery. In particular, the temporal patterns of NF-kappaB induction, differences between Rel family members, and the intersection between canonical and noncanonical signaling pathways in keeping B cells alive are discussed.

    PMID:
    17174931
    [PubMed - indexed for MEDLINE]

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