Systems biology asks new questions about sex differences.

Systems biology asks new questions about sex differences.
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DOI:
10.1016/j.tem.2009.06.007
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发表时间:
2009-12
影响因子:
10.9
通讯作者:
Lusis, Aldons J.
Lusis, Aldons J.
中科院分区:
医学1区
文献类型:
--
作者:
Arnold, Arthur P.;van Nas, Atila;Lusis, Aldons J.

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女性和男性在生理、发病率和疾病进展方面存在差异。引起表型性别差异的性别偏向的直接因素包括性腺激素的直接影响和由于X或Y连锁而在基因组中表现不平等的基因的直接影响。新的系统方法已经开始评估基因组范围内基因网络组织的性别差异的大小和特征。这些研究确定了在男性和女性中共同表达不同的基因的功能相关模块,以及基因组中以性别特异性方式调节基因网络的位点。对基因聚集行为的测量揭示了新的性别差异,这些差异可以更有效地与疾病易感性相关。
Females and males differ in physiology and in the incidence and progression of diseases. The sex-biased proximate factors causing sex differences in phenotype include direct effects of gonadal hormones and of genes represented unequally in the genome because of their X- or Y-linkage. Novel systems approaches have begun to assess the magnitude and character of sex differences in organization of gene networks on a genome-wide scale. These studies identify functionally related modules of genes that are co-expressed differently in males and females, and sites in the genome that regulate gene networks in a sex-specific manner. The measurement of the aggregate behavior of genes uncovers novel sex differences that can be related more effectively to susceptibility to disease.
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