Orchestrating B cell lymphopoiesis through interplay of IL-7 receptor and pre-B cell receptor signalling.

Orchestrating B cell lymphopoiesis through interplay of IL-7 receptor and pre-B cell receptor signalling.
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DOI:
10.1038/nri3570
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发表时间:
2014-02
期刊:
Nature reviews. Immunology
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其他
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The development of B cells is dependent on the sequential DNA rearrangement of immunoglobulin loci that encode subunits of the B cell receptor. The pathway navigates a crucial checkpoint that ensures expression of a signalling-competent immunoglobulin heavy chain before commitment to rearrangement and expression of an immunoglobulin light chain. The checkpoint segregates proliferation of pre-B cells from immunoglobulin light chain recombination and their differentiation into B cells. Recent advances have revealed the molecular circuitry that controls two rival signalling systems, namely the interleukin-7 (IL-7) receptor and the pre-B cell receptor, to ensure that proliferation and immunoglobulin recombination are mutually exclusive, thereby maintaining genomic integrity during B cell development.
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