Evidence for Msh2 haploinsufficiency in mice revealed by MNU-induced sister-chromatid exchange analysis.
Evidence for Msh2 haploinsufficiency in mice revealed by MNU-induced sister-chromatid exchange analysis.
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DOI:
10.1054/bjoc.2000.1422
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发表时间:
2000-11
影响因子:
8.8
通讯作者:
Fodde R
中科院分区:
文献类型:
--
作者:
Bouffler SD;Hofland N;Cox R;Fodde R
The role of Msh2 in chromosome stability has been investigated in a targeted mouse model for HNPCC Msh2Δ7N. Chromosome aberration frequencies were similar in bone marrow of Msh2+/+Msh2+/–and Msh2–/–mice and no differential effects of in vivo X-irradiation were noted. By contrast, the induction of sister-chromatid exchanges (SCEs) by methyl nitrosourea (MNU) was reduced in Msh2–/–and Msh2+/–cells to ~20% and ~45% wild-type levels respectively indicating a phenotypic effect of haploinsufficiency of the mouse Msh2 gene. © 2000 CancerResearch Campaign
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