title: Epigenetics of the antibody response.
abstract: Epigenetic marks, such as DNA methylation, histone post-translational modifications and miRNAs, are induced in B cells by the same stimuli that drive the antibody response. They play major roles in regulating somatic hypermutation (SHM), class switch DNA recombination (CSR), and differentiation to plasma cells or long-lived memory B cells. Histone modifications target the CSR and, possibly, SHM machinery to the immunoglobulin locus; they together with DNA methylation and miRNAs modulate the expression of critical elements of that machinery, such as activation-induced cytidine deaminase (AID), as well as factors central to plasma cell differentiation, such as B lymphocyte-induced maturation protein-1 (Blimp-1). These inducible B cell-intrinsic epigenetic marks instruct the maturation of antibody responses. Their dysregulation plays an important role in aberrant antibody responses to foreign antigens, such as those of microbial pathogens, and self-antigens, such as those targeted in autoimmunity, and B cell neoplasia.
authors: Institute for Immunology and School of Medicine, University of California, Irvine, CA 92697-4120, USA.
authors: Guideng
authors: G
authors: Li
authors: Hong
authors: H
authors: Zan
authors: Zhenming
authors: Z
authors: Xu
authors: Paolo
authors: P
authors: Casali
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000235:genetics*; D015551:Autoimmunity / Q000235:genetics*; D001402:B-Lymphocytes / Q000166:cytology / Q000276:immunology; D002454:Cell Differentiation / Q000235:genetics / Q000276:immunology; D044127:Epigenesis, Genetic / Q000235:genetics*; D006801:Humans; D017578:Immunoglobulin Class Switching / Q000235:genetics / Q000276:immunology
keywords: AID; B cell; Blimp-1; CSR; SHM; antibody; autoimmunity; epigenetic; immunoglobulin; memory B cell; neoplasia; plasma cell
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