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How pregnancy can affect autoimmune diseases progression?

机译:怀孕如何影响自身免疫疾病的进展?

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摘要

Autoimmune disorders are characterized by tissue damage, caused by self-reactivity of different effectors mechanisms of the immune system, namely antibodies and T cells. Their occurrence may be associated with genetic and/or environmental predisposition and to some extent, have implications for fertility and obstetrics. The relationship between autoimmunity and reproduction is bidirectional. This review only addresses the impact of pregnancy on autoimmune diseases and not the influence of autoimmunity on pregnancy development. Th17/Th1-type cells are aggressive and pathogenic in many autoimmune disorders and inflammatory diseases. The immunology of pregnancy underlies the role of Th2-type cytokines to maintain the tolerance of the mother towards the fetal semi-allograft. Non-specific factors, including hormonal changes, favor a switch to Th2-type cytokine profile. In pregnancy Th2, Th17/Th2 and Treg cells accumulate in the decidua but may also be present in the mother’s circulation and can regulate autoimmune responses influencing the progression of autoimmune diseases.
机译:自身免疫性疾病的特征是组织损伤,由免疫系统的不同效应器机制(即抗体和T细胞)的自反应性引起。它们的发生可能与遗传和/或环境易感性有关,并且在一定程度上对生育和产科有影响。自身免疫与生殖之间的关系是双向的。这篇综述仅针对妊娠对自身免疫性疾病的影响,而非针对自身免疫对妊娠发展的影响。 Th17 / Th1型细胞在许多自身免疫性疾病和炎性疾病中具有侵略性和致病性。妊娠的免疫学基础是Th2型细胞因子维持母亲对胎儿半同种异体移植耐受的作用。非特异性因素,包括激素变化,有利于切换到Th2型细胞因子。在妊娠期,Th2,Th17 / Th2和Treg细胞在蜕膜中积累,但也可能存在于母亲的循环系统中,并可以调节影响自身免疫疾病进展的自身免疫反应。

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