Gender bias in autoimmunity is influenced by microbiota.
Gender bias in autoimmunity is influenced by microbiota.
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DOI:
10.1016/j.immuni.2013.08.013
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发表时间:
2013-08-22
期刊:
影响因子:
32.4
通讯作者:
Chervonsky AV
中科院分区:
文献类型:
--
作者:
Yurkovetskiy L;Burrows M;Khan AA;Graham L;Volchkov P;Becker L;Antonopoulos D;Umesaki Y;Chervonsky AV
Gender bias and the role of sex hormones in autoimmune diseases are well established. In specific pathogen-free (SPF) non-obese diabetic (NOD) mice, females have 1.3–4.4 times higher incidence of Type 1 diabetes (T1D). Germ-free (GF) mice lost the gender bias (female/male ratio 1.1–1.2). Gut microbiota differed in males and females, a trend reversed by male castration confirming that androgens influence gut microbiota. Colonization of GF NOD mice with defined microbiota revealed that some, but not all, lineages overrepresented in male mice supported a gender bias in T1D. Although, protection of males did not correlate with blood androgen concentration, hormone-supported expansion of selected microbial lineages may work as a positive feedback mechanism contributing to the sexual dimorphism of autoimmune diseases. Gene expression analysis suggested pathways involved in protection of males from T1D by microbiota. Our results favor a two-signal model of gender bias, in which hormones and microbes together trigger protective pathways.
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DOI:
10.1084/jem.172.6.1735
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1990-12-01
期刊:
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影响因子:
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Immunome research
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DOI:
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发表时间:
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期刊:
Nature reviews. Immunology
影响因子:
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