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映射到唐氏综合征心脏关键区域的Sh3bgr基因的过表达不影响心脏形态发生。

Heart morphogenesis is not affected by overexpression of the Sh3bgr gene mapping to the Down syndrome heart critical region.

作者信息

Sandri Claudia, Di Lisi Raffaella, Picard Anne, Argentini Carla, Calabria Elisa, Myklak Kristene, Scartezzini Paolo, Schiaffino Stefano

机构信息

Venetian Institute of Molecular Medicine, Via Orus 2, 35129 Padua, Italy.

出版信息

Hum Genet. 2004 Apr;114(5):517-9. doi: 10.1007/s00439-004-1088-8. Epub 2004 Feb 7.

DOI:10.1007/s00439-004-1088-8
PMID:14767758
Abstract

Congenital heart disease (CHD) is the most common birth defect in humans and is present in 40% of newborns affected by Down syndrome (DS). The SH3BGR gene maps to the DS-CHD region and is a potential candidate for the pathogenesis of CHD, since it is selectively expressed in cardiac and skeletal muscle. To determine whether overexpression of Sh3bgr in the murine heart may cause abnormal cardiac development, we have generated transgenic mice using a cardiac- and skeletal-muscle-specific promoter to drive the expression of a Sh3bgr transgene. We report here that heart morphogenesis is not affected by overexpression of Sh3bgr.

摘要

先天性心脏病(CHD)是人类最常见的出生缺陷,在40%的唐氏综合征(DS)患儿中存在。SH3BGR基因定位于DS-CHD区域,由于它在心肌和骨骼肌中选择性表达,因此是CHD发病机制的潜在候选基因。为了确定小鼠心脏中Sh3bgr的过表达是否会导致心脏发育异常,我们使用心肌和骨骼肌特异性启动子驱动Sh3bgr转基因的表达,生成了转基因小鼠。我们在此报告,Sh3bgr的过表达不会影响心脏形态发生。

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本文引用的文献

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Global disruption of the cerebellar transcriptome in a Down syndrome mouse model.唐氏综合征小鼠模型中小脑转录组的整体破坏。
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BMC Med Genet. 2006 Mar 15;7:24. doi: 10.1186/1471-2350-7-24.
人类21号染色体的DNA序列。
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Developmental expression of the SH3BGR gene, mapping to the Down syndrome heart critical region.映射至唐氏综合征心脏关键区域的SH3BGR基因的发育表达。
Mech Dev. 2000 Feb;90(2):313-6. doi: 10.1016/s0925-4773(99)00253-1.
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Hum Genet. 1997 Mar;99(3):387-92. doi: 10.1007/s004390050377.
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