Journal
AMERICAN JOURNAL OF REPRODUCTIVE IMMUNOLOGY
Volume 75, Issue 1, Pages 51-58Publisher
WILEY
DOI: 10.1111/aji.12437
Keywords
Abortion; antibody; interleukin-17; regulatory T cells
Categories
Funding
- National Basic Research Program of China [2011CB944404]
- National Natural Science Foundation of China [81100418, 81471455]
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Problem Many researchers have demonstrated that the expression of interleukin-17(IL-17) is higher in spontaneous abortion. However, whether Th17 cells are an independent factor in inducing abortion is not known. Method of study This study investigated the effect of exogenous recombinant IL-17 and an anti-IL-17 antibody in a normal and an abortion mouse model using flow cytometry, enzyme-linked immunosorbent assay, real-time PCR, and Western blot. Results Th17 cells and the related factors, IL-17 and ROR gamma t, were significantly upregulated in abortion mice, and Treg cells and the related factor, Fox-p3, were downregulated. Intraperitoneal injection of recombinant IL (rIL)-17 induced fetal loss in a normal mouse model, and an anti-IL-17 antibody prevented fetal loss in an abortion mouse model. Conclusion This study confirmed an imbalance of the Th17/Treg paradigm in abortion mice and IL-17 as a risk factor of fetal loss. An anti-IL-17 antibody may prevent abortion.
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