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Cho HY, Park HS, Ahn EH, Ko EJ, Park HW, Kim YR, Kim JH, Lee WS, Kim NK. Association of Polymorphisms in Plasminogen Activator Inhibitor-1 ( PAI-1), Tissue Plasminogen Activator ( tPA), and Renin ( REN) with Recurrent Pregnancy Loss in Korean Women. J Pers Med 2021; 11:jpm11121378. [PMID: 34945850 PMCID: PMC8705673 DOI: 10.3390/jpm11121378] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/09/2021] [Accepted: 12/14/2021] [Indexed: 02/07/2023] Open
Abstract
Recurrent pregnancy loss (RPL) is defined as two or more consecutive pregnancy losses prior to 20 weeks of gestational age. Various factors, including immune dysfunction, endocrine disorders, coagulation abnormality, and genetic disorders influence RPL. In particular, plasminogen activator inhibitor-1 (PAI-1), tissue plasminogen activator (tPA), and renin (REN) have important roles in the thrombotic and thrombolytic systems, and abnormal expression of these genes have a reported negative correlation with pregnancy maintenance. Moreover, some polymorphisms of the three genes are related to expression levels and thrombotic disorder. Therefore, we investigated whether polymorphisms of PAI-1, tPA, and REN are linked to RPL. Genotyping of the six polymorphisms (PAI-1 rs11178, rs1050955, tPA rs4646972, rs2020918, REN rs1464816, and rs5707) was performed using polymerase chain reaction (PCR)-restriction fragment length polymorphism and associations of the polymorphisms with RPL were evaluated by statistical analysis. The polymorphism PAI-1 rs1050955 GA+AA was associated with decreased RPL risk (AOR, 0.528; 95% CI 0.356–0.781; p = 0.001) as was the REN 10795 rs5707 GG genotype (AOR, 0.487; 95% CI 0.301–0.787; p = 0.003). In contrast, the tPA rs4646972 II genotype correlated with increased RPL risk (AOR, 1.606; 95% CI, 1.047–2.463; p = 0.030). This study provides evidence that tPA Alu rs4646972 may contribute to the risk of idiopathic RPL, but PAI-1 12068 rs1050955 and REN 10795 rs5707 are associated with a decreased risk of RPL. Therefore, these alleles may be useful as biomarkers to evaluate the risk of RPL.
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Affiliation(s)
- Hee Young Cho
- Department of Obstetrics and Gynecology, CHA Gangnam Medical Center, CHA University, Seoul 06135, Korea;
| | - Han Sung Park
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea; (H.S.P.); (E.J.K.); (H.W.P.)
| | - Eun Hee Ahn
- Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea; (E.H.A.); (Y.R.K.); (J.H.K.)
| | - Eun Ju Ko
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea; (H.S.P.); (E.J.K.); (H.W.P.)
| | - Hyeon Woo Park
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea; (H.S.P.); (E.J.K.); (H.W.P.)
| | - Young Ran Kim
- Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea; (E.H.A.); (Y.R.K.); (J.H.K.)
| | - Ji Hyang Kim
- Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea; (E.H.A.); (Y.R.K.); (J.H.K.)
| | - Woo Sik Lee
- Fertility Center of CHA Gangnam Medical Center, CHA University, Seoul 06135, Korea
- Correspondence: (W.S.L.); (N.K.K.); Tel.: +82-2-3468-3406 (W.S.L.); +82-31-881-7137 (N.K.K.)
| | - Nam Keun Kim
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Korea; (H.S.P.); (E.J.K.); (H.W.P.)
- Correspondence: (W.S.L.); (N.K.K.); Tel.: +82-2-3468-3406 (W.S.L.); +82-31-881-7137 (N.K.K.)
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Strauss JF, Romero R, Gomez-Lopez N, Haymond-Thornburg H, Modi BP, Teves ME, Pearson LN, York TP, Schenkein HA. Spontaneous preterm birth: advances toward the discovery of genetic predisposition. Am J Obstet Gynecol 2018; 218:294-314.e2. [PMID: 29248470 PMCID: PMC5834399 DOI: 10.1016/j.ajog.2017.12.009] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 12/04/2017] [Accepted: 12/06/2017] [Indexed: 02/08/2023]
Abstract
Evidence from family and twin-based studies provide strong support for a significant contribution of maternal and fetal genetics to the timing of parturition and spontaneous preterm birth. However, there has been only modest success in the discovery of genes predisposing to preterm birth, despite increasing sophistication of genetic and genomic technology. In contrast, DNA variants associated with other traits/diseases have been identified. For example, there is overwhelming evidence that suggests that the nature and intensity of an inflammatory response in adults and children are under genetic control. Because inflammation is often invoked as an etiologic factor in spontaneous preterm birth, the question of whether spontaneous preterm birth has a genetic predisposition in the case of pathologic inflammation has been of long-standing interest to investigators. Here, we review various genetic approaches used for the discovery of preterm birth genetic variants in the context of inflammation-associated spontaneous preterm birth. Candidate gene studies have sought genetic variants that regulate inflammation in the mother and fetus; however, the promising findings have often not been replicated. Genome-wide association studies, an approach to the identification of chromosomal loci responsible for complex traits, have also not yielded compelling evidence for DNA variants predisposing to preterm birth. A recent genome-wide association study that included a large number of White women (>40,000) revealed that maternal loci contribute to preterm birth. Although none of these loci harbored genes directly related to innate immunity, the results were replicated. Another approach to identify DNA variants predisposing to preterm birth is whole exome sequencing, which examines the DNA sequence of protein-coding regions of the genome. A recent whole exome sequencing study identified rare mutations in genes encoding for proteins involved in the negative regulation (dampening) of the innate immune response (eg, CARD6, CARD8, NLRP10, NLRP12, NOD2, TLR10) and antimicrobial peptide/proteins (eg, DEFB1, MBL2). These findings support the concept that preterm labor, at least in part, has an inflammatory etiology, which can be induced by pathogens (ie, intraamniotic infection) or "danger signals" (alarmins) released during cellular stress or necrosis (ie, sterile intraamniotic inflammation). These findings support the notion that preterm birth has a polygenic basis that involves rare mutations or damaging variants in multiple genes involved in innate immunity and host defense mechanisms against microbes and their noxious products. An overlap among the whole exome sequencing-identified genes and other inflammatory conditions associated with preterm birth, such as periodontal disease and inflammatory bowel disease, was observed, which suggests a shared genetic substrate for these conditions. We propose that whole exome sequencing, as well as whole genome sequencing, is the most promising approach for the identification of functionally significant genetic variants responsible for spontaneous preterm birth, at least in the context of pathologic inflammation. The identification of genes that contribute to preterm birth by whole exome sequencing, or whole genome sequencing, promises to yield valuable population-specific biomarkers to identify the risk for spontaneous preterm birth and potential strategies to mitigate such a risk.
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Affiliation(s)
- Jerome F Strauss
- Department of Obstetrics and Gynecology, Virginia Commonwealth University School of Medicine, Richmond, VA; Department of Human and Molecular Genetics, Virginia Commonwealth University School of Medicine, Richmond, VA.
| | - Roberto Romero
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute for Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI; Department of Obstetrics and Gynecology, University of Michigan, Ann Arbor, MI; Department of Epidemiology and Biostatistics, Michigan State University, East Lansing, MI; Center for Molecular Medicine and Genetics, Wayne State University, Detroit, MI.
| | - Nardhy Gomez-Lopez
- Perinatology Research Branch, Eunice Kennedy Shriver National Institute for Child Health and Human Development, National Institutes of Health, US Department of Health and Human Services, Bethesda, MD and Detroit, MI; Department of Obstetrics and Gynecology and the Department of Immunology, Microbiology and Biochemistry, Wayne State University School of Medicine, Detroit, MI
| | - Hannah Haymond-Thornburg
- Department of Obstetrics and Gynecology, Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Bhavi P Modi
- Department of Obstetrics and Gynecology, University of British Columbia, Vancouver, BC, Canada
| | - Maria E Teves
- Department of Obstetrics and Gynecology, Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Laurel N Pearson
- Department of Anthropology, Pennsylvania State University, University Park, PA
| | - Timothy P York
- Department of Obstetrics and Gynecology, Virginia Commonwealth University School of Medicine, Richmond, VA; Department of Human and Molecular Genetics, Virginia Commonwealth University School of Medicine, Richmond, VA
| | - Harvey A Schenkein
- Department of Periodontics, Virginia Commonwealth University School of Dentistry, Richmond, VA
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Song J, Li J, Liu H, Gan Y, Sun Y, Yu M, Zhang Y, Luo F, Tian Y, Wang W, Zhang J, Little J, Cheng H, Chen D. A genetic variant in the placenta-derived MHC class I chain-related gene A increases the risk of preterm birth in a Chinese population. Hum Genet 2017; 136:1375-1384. [DOI: 10.1007/s00439-017-1834-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 08/09/2017] [Indexed: 12/12/2022]
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