Variable expression of Dkc1 mutations in mice.
Variable expression of Dkc1 mutations in mice.
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DOI:
10.1002/dvg.20509
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发表时间:
2009-06
期刊:
影响因子:
1.5
通讯作者:
Mason, Philip J.
中科院分区:
文献类型:
--
作者:
He, Jun;Gu, Bai-wei;Ge, Jingping;Mochizuki, Yuko;Bessler, Monica;Mason, Philip J.
In humans mutations in DKC1, cause the rare bone marrow failure syndrome dyskeratosis congenita. We have used gene targeting to produce mouse ES cells with Dkc1 mutations that cause DC when in humans. The mutation A353V, the most common human mutation, causes typical DC to very severe DC in humans. Male chimeric mice carrying this mutation do not pass the mutated allele to their offspring. The mutation G402E accounts for a single typical case of DC in a human family. The allele carrying this mutation was transmitted to the offspring with high efficiency. Expression of RNA and protein was reduced compared to wild type animals but no abnormalities of growth and development or in blood values were found in mutant mice. Thus Dkc1 mutations have variable expression in mice, as in humans.
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