Somatic Hypermutation in Muts Homologue (Msh)3-, Msh6-, and Msh3/Msh6-Deficient Mice Reveals a Role for the Msh2–Msh6 Heterodimer in Modulating the Base Substitution Pattern
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Somatic Hypermutation in Muts Homologue (Msh)3-, Msh6-, and Msh3/Msh6-Deficient Mice Reveals a Role for the Msh2–Msh6 Heterodimer in Modulating the Base Substitution Pattern
Although the primary function of the DNA mismatch repair (MMR) system is to identify and correct base mismatches that have been erroneously introduced during DNA replication, recent studies have further implicated several MMR components in somatic hypermutation of immunoglobulin (Ig) genes. We studied the immune response in mice deficient in MutS homologue (MSH)3 and MSH6, two mutually exclusiv...
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15 صفحه اولExamination of Msh6- and Msh3-deficient Mice in Class Switching Reveals Overlapping and Distinct Roles of MutS Homologues in Antibody Diversification
Somatic hypermutation and class switch recombination (CSR) contribute to the somatic diversification of antibodies. It has been shown that MutS homologue (Msh)6 (in conjunction with Msh2) but not Msh3 is involved in generating A/T base substitutions in somatic hypermutation. However, their roles in CSR have not yet been reported. Here we show that Msh6(-)(/)(-) mice have a decrease in CSR, wher...
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ژورنال
عنوان ژورنال: Journal of Experimental Medicine
سال: 2000
ISSN: 0022-1007,1540-9538
DOI: 10.1084/jem.191.3.579