期刊
CLINICAL REVIEWS IN ALLERGY & IMMUNOLOGY
卷 53, 期 1, 页码 40-53出版社
HUMANA PRESS INC
DOI: 10.1007/s12016-016-8596-x
关键词
Antiphospholipid syndrome; Implantation failure; JAK-STAT; Pre-eclampsia; Recurrent abortion; Th1-cytokines; TNF-alpha blockers
Tumor necrosis factor-alpha (TNF-alpha) is a central regulator of inflammation, and TNF-alpha antagonists may be effective in treating inflammatory disorders in which TNF-alpha plays a major pathogenic role. TNF-alpha has also been associated with inflammatory mechanisms related to implantation, placentation, and pregnancy outcome. TNF-alpha is secreted by immune cells and works by binding to TNFR1 and TNFR2 cell receptors. TNF-alpha is also related to JAK/STAT pathways, which opens up hypothetical new targets for modifying. The accurate balance between Th1 cytokines, mainly TNF-alpha, Th17, and Th2, particularly IL-10 is essential to achieve good obstetric outcomes. TNF-alpha targeted therapy could be rational in treating women with obstetric complication related to overproduction of TNF-alpha, such as recurrent pregnancy loss, early and severe pre-eclampsia, and recurrent implantation failure syndrome, all idiopathic or related to aPL positivity. Along the same lines, Th1 cytokines, mainly TNF- alpha, play a leading pathogenic role in rheumatic and systemic autoimmune diseases occurring in women and, to a lesser extent, in men of reproductive age. These disorders have to be clinically silent before pregnancy can be recommended, which is usually only possible to achieve after intensive anti-inflammatory and immunosuppressive treatment, TNF-alpha blockers included. Physicians should be aware of the theoretic potential but low embryo-fetal toxicity risk of these drugs during pregnancy. From an updated review in May 2016, we can conclude that TNF-alpha blockers are useful in certain refractory cases of inflammatory disorders related to poor obstetric outcomes and infertility. Furthermore, TNF-alpha blockers can be safely used during the implantation period and pregnancy. Breastfeeding is also permitted with all TNF-alpha inhibitors. Since data on the actual mechanism of action of JAK-STAT in inflammatory obstetric disorders including embryo implantation are scarce, for the time being, therapeutic interventions in this setting should be discouraged. Finally, adverse effects on sperm quality, or causing embryo-fetal anomalies, in men treated with TNF inhibitors have not been described.
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