Document Detail

The involvement of inflammatory cytokines in the pathogenesis of recurrent miscarriage.
MedLine Citation:
PMID:  22266274     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To investigate the inflammatory cytokine expression pattern in trophoblastic tissue from women with unexplained recurrent miscarriage (RM). STUDY DESIGN: Trophoblasts were obtained during uterine evacuation from 11 women with RM and from 20 healthy pregnant women undergoing elective termination of pregnancy, who served as controls. The array was performed using GEArray Q Series Human Inflammatory Cytokines & Receptors Gene Array HS-015 membranes. Data were confirmed by quantitative real-time PCR. The Mann-Whitney U test was performed for statistical analysis. RESULTS: Microarray analysis identified three genes that were differentially expressed between RM patients and controls. We observed significant downregulation of Transforming Growth Factor beta 3 (TGF-β3) and Interleukin 25 (IL-25) (5-fold reduction and 2.5-fold reduction, respectively) and significant upregulation of CD-25, also known as Interleukin 2 receptor alpha (IL-2RA) (7-fold increase) in women with RM compared with controls. The median ΔC(t) of TGF-β3 was 8.2 (interquartile range, 7.67-8.9) in RM patients vs. 5.85 (interquartile range, 5.3-6.09) in controls; the median ΔC(t) of IL-25 was 5.18 (interquartile range, 4.46-5.76) in RM patients vs. 3.85 (interquartile range, 3.6-4.51) in controls, and the median ΔC(t) of CD-25 was 9.62 (interquartile range, 7.81-12.42) in RM patients vs. 12.44 (interquartile range, 11.02-13.86) in controls. DISCUSSION: Our results suggest that the immunological and inflammatory regulation mechanisms of the placental environment play a key role in recurrent miscarriage. The observed trophoblast cytokine expression pattern at the maternal-fetal interface confirms the immunotrophic theory, as demonstrated by a switch from a T-helper-1 (Th1) profile to a T-helper-2 (Th2) profile in women who experience recurrent miscarriages.
Stefano R Giannubilo; Beatrice Landi; Valentina Pozzi; Davide Sartini; Monia Cecati; Piergiorgio Stortoni; Alessandra Corradetti; Franca Saccucci; Andrea L Tranquilli; Monica Emanuelli
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-1-20
Journal Detail:
Title:  Cytokine     Volume:  -     ISSN:  1096-0023     ISO Abbreviation:  -     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-1-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9005353     Medline TA:  Cytokine     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Department of Clinical Sciences, Section of Woman Health Science, Università Politecnica Marche, Ancona, Italy.
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