MicroRNA activity in B lymphocytes.
Gene expression regulation by miRNAs has been reported to control key aspects of B cell differentiation and function (Chen et al., Science 303:83-86, 2004; Xiao et al., Cell 131:146-159, 2007; O'Carroll et al., Genes Dev. 21:1999-2004, 2007; Koralov et al. Cell 132:860-874, 2008; Rodriguez et al., Science 316:608-611, 2007; Costinean et al., Proc Natl Acad Sci USA 103:7024-7029, 2006; Thai et al., Science 316:604-608, 2007; Vigorito et al., Immunity 27:847-859, 2007; Dorsett et al., Immunity 28:630-638, 2008; Teng et al., Immunity 28:621-629, 2008; de Yebenes et al., J Exp Med 205:2199-2206, 2008; He et al., Nature 435:828-833, 2005; Ventura et al. Cell 132:875-886, 2008; Xiao et al., Nat Immunol 9:405-414, 2008). In this chapter, we describe the methodology used to perform a functional screening of a miRNA library to identify miRNAs relevant for mature B cell function in primary mouse B cells. These procedures include the construction of a miRNA library and the expression of individual miRNA clones in spleen B cells, as well as the description of functional assays used to determine the impact of miRNA expression on several aspects of B cell function, such as proliferation, apoptosis, and class switch recombination.
de Yébenes
Virginia G
VG
DNA Hypermutation and Cancer Group, Spanish National Cancer Research Center (CNIO), Madrid, Spain.
Ramiro
Almudena R
AR
D000818:Animals; D001402:B-Lymphocytes / Q000502:physiology*; D018929:Cell Culture Techniques; D002454:Cell Differentiation; D049109:Cell Proliferation; D002478:Cells, Cultured; D005786:Gene Expression Regulation; D015723:Gene Library; D051379:Mice; D008810:Mice, Inbred C57BL; D035683:MicroRNAs / Q000235:genetics / Q000378:metabolism*; D012322:RNA Precursors / Q000235:genetics / Q000378:metabolism; D012190:Retroviridae / Q000235:genetics / Q000378:metabolism; D014161:Transduction, Genetic / Q000295:instrumentation / Q000379:methods
D035683:MicroRNAs; D012322:RNA Precursors
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