期刊
JOURNAL OF MATERNAL-FETAL & NEONATAL MEDICINE
卷 32, 期 21, 页码 3511-3519出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14767058.2018.1465914
关键词
Chlamydia trachomatis; cytokines; endothelial nitric oxide synthase; inducible nitric oxide synthase; spontaneous aborters
资金
- Council of Scientific and Industrial Research (CSIR), New Delhi, India
- University Grants Commission (UGC), New Delhi, India
Purpose: The aim of study was to evaluate expression of inducible nitric oxide synthase (iNOS), endothelial nitric oxide synthase (eNOS), interferon-gamma (IFN-gamma), and tumor necrosis factor-alpha (TNF-alpha) in Chlamydia trachomatis (CT)-infected spontaneous aborters (SA). Materials and methods: Endometrial curettage tissue was collected from 140 SA (sporadic SA- 70; recurrent SA- 70) (Group I) and 140 age-matched controls (Group II) from Department of Obstetrics and Gynecology, Safdarjung Hospital, New Delhi, India. Polymerase chain reaction was performed for diagnosis of CT. The expression of iNOS/ eNOS/ IFN-gamma/ TNF-alpha was assessed by real-time polymerase chain reaction (PCR). Results: 15.7% SA were CT-positive (Group I); none in controls. Sporadic spontaneous aborters (SSA) (n = 8/70), recurrent spontaneous aborters (RSA) (n = 14/70) diagnosed as CT-positive (Group-I). Significant upregulation of iNOS/ eNOS was found in CT-positive SSA/RSA compared with CT-negative SSA/RSA and healthy controls. TNF-alpha and IFN-gamma were expressed in CT-positive SSA/RSA compared with negative SSA/controls. iNOS showed a significant strong positive correlation with TNF-alpha and IFN-gamma in CT-infected SA. eNOS showed a significant positive correlation with TNF-alpha and no correlation with IFN-gamma in CT-infected SA. TNF-alpha was positively correlated with IFN-gamma. Conclusions: Significantly high expression of iNOS/ eNOS and proinflammatory cytokines affected pregnancy in CT-infected RSA, thereby implying that there occurs cytokine-induced expression of nitric oxide synthase (NOS).
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