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Huang YL, Huang GY, Chen H, Lv J, Wang J, Shen J, Zhao SY. Exploring the clinical and cellular mechanisms of LncRNA-KCNQ1OT1/miR-29a-3p/SOCS3 molecular axis in cases of unexplained recurrent spontaneous abortion. J Matern Fetal Neonatal Med 2024; 37:2337723. [PMID: 38637274 DOI: 10.1080/14767058.2024.2337723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 03/27/2024] [Indexed: 04/20/2024]
Abstract
OBJECTIVE The objective of this study is to explore the functions and mechanisms of the LncRNA-KCNQ1OT1/miR-29a-3p/SOCS3 molecular pathway in the context of unexplained recurrent spontaneous abortion (URSA). METHODS We conducted qRT-PCR to assess the levels of LncRNA-KCNQ1OT1, miR-29a-3p, and SOCS3 in both abortion tissues from women who experienced URSA and healthy early pregnant women. A dual-luciferase assay was employed to investigate whether miR-29a-3p targets SOCS3. Furthermore, RNA IP and RNA Pull-Down assays were employed to confirm the interaction between KCNQ1OT1 and SOCS3 with miR-29a-3p. RNA FISH was used to determine the cellular localization of KCNQ1OT1. Additionally, trophoblast cells (HTR8/SVneo) were cultured and the CCK-8 assay was utilized to assess cell proliferation, while flow cytometry was employed to analyze cell apoptosis. RESULTS Compared to abortion tissues obtained from healthy early pregnant individuals, those from women who experienced URSA displayed a notable downregulation of KCNQ1OT1 and SOCS3, accompanied by an upregulation of miR-29a-3p. Suppression of KCNQ1OT1 resulted in the inhibition of cell proliferation and the facilitation of apoptosis in HTR8/SVneo cells. Our findings suggest that KCNQ1OT1 may exert a regulatory influence on SOCS3 through a competitive binding mechanism with miR-29a-3p. Notably, KCNQ1OT1 exhibited expression in both the cytoplasm and nucleus, with a predominant localization in the cytoplasm. Furthermore, we observed a negative regulatory relationship between miR-29a-3p and SOCS3, as the miR-29a-3p mimic group demonstrated significantly reduced cell proliferation and an increased rate of apoptosis when compared to the negative control (NC mimic) group. Additionally, the SOCS3 Vector group exhibited a substantial improvement in proliferation capability and a marked reduction in the apoptosis rate in comparison to the NC Vector group. The miR-29a-3p mimic + SOCS3 Vector group demonstrated a remarkable enhancement in proliferation and a reduction in apoptosis when compared to the miR-29a-3p mimic group. CONCLUSION The competitive binding of miR-29a-3p to LncRNA-KCNQ1OT1 appears to result in the elevation of SOCS3 expression, consequently fostering the proliferation of trophoblast cells while concomitantly suppressing apoptosis.
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Affiliation(s)
- Yong-Li Huang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Guan-You Huang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Hui Chen
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Jing Lv
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Jie Wang
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Jie Shen
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
| | - Shu-Yun Zhao
- Department of Obstetrics and Gynecology, Reproductive Medicine Center, The Affiliated Hospital of Guizhou Medical University, Guiyang, Guizhou Province, China
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Pan L, Zhu F, Yu A, Jia C, Tang H, Zhou M, Li M, Jiang S, Li J, Cui Y, Tang L. Effect of bromodomain PHD-finger transcription factor (BPTF) on trophoblast epithelial-to-mesenchymal transition. Gene 2024; 914:148405. [PMID: 38521110 DOI: 10.1016/j.gene.2024.148405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 03/03/2024] [Accepted: 03/20/2024] [Indexed: 03/25/2024]
Abstract
The trophoblast epithelial-to-mesenchymal transition (EMT) is a procedure related to embryo implantation, spiral artery establishment and fetal-maternal communication, which is a key event for successful pregnancy. Inadequate EMT is one of the pathological mechanisms of recurrent miscarriage (RM). Whole-exome sequencing revealed that the mutation of bromodomain PHD-finger transcription factor (BPTF) was strongly associated with RM. In the present study, the effects of BPTF on EMT and the underlying mechanism were investigated. We found that the expression of BPTF in the villi of RM patients was significantly downregulated. Gene Ontology (GO) analysis revealed that BPTF participated in cell adhesion. The knockdown of BPTF prevented EMT and attenuated trophoblast invasion in vitro. BPTF activated Slug transcription by binding directly to the promoter region of the Slug gene. Interestingly, the protein levels of both Slug and BPTF were decreased in the villous cytotrophoblasts (VCTs) of RM villi. In conclusion, BPTF participates in the regulation of trophoblast EMT by activating Slug expression, suggesting that BPTF defects are an important factor in RM pathogenesis.
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Affiliation(s)
- Linqing Pan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China; Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Kangda College of Nanjing Medical University, Lianyungang 222000, China
| | - Fuquan Zhu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Aochen Yu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Chao Jia
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Huaiyun Tang
- Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Kangda College of Nanjing Medical University, Lianyungang 222000, China
| | - Minglian Zhou
- Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Kangda College of Nanjing Medical University, Lianyungang 222000, China
| | - Mingrui Li
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center of Clinical Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Shiwen Jiang
- Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Kangda College of Nanjing Medical University, Lianyungang 222000, China
| | - Juan Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
| | - Yugui Cui
- State Key Laboratory of Reproductive Medicine and Offspring Health, Center of Clinical Reproductive Medicine, First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China.
| | - Lisha Tang
- Clinical Center of Reproductive Medicine, Lianyungang Maternal and Child Health Hospital, Kangda College of Nanjing Medical University, Lianyungang 222000, China.
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Luthfi M, Pandey RB, Su YC, Sompornpisut P. Deciphering molecular basis of pesticide-induced recurrent pregnancy loss: insights from transcriptomics analysis. Toxicol Mech Methods 2024; 34:527-544. [PMID: 38294000 DOI: 10.1080/15376516.2024.2307975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 01/15/2024] [Indexed: 02/01/2024]
Abstract
Recent studies have revealed a notable connection between pesticide exposure and Recurrent Pregnancy Loss (RPL), yet the precise molecular underpinning of this toxicity remains elusive. Through the alignment of Differentially Expressed Genes (DEGs) of healthy and RPL patients with the target genes of 9 pesticide components, we identified a set of 12 genes responsible for RPL etiology. Interestingly, biological process showed that besides RPL, those 12 genes also associated with preeclampsia and cardiovascular disease. Enrichment analysis showed the engagement of these genes associated with essential roles in the molecular transport of small molecules, as well as the aldosterone-regulated sodium reabsorption, endocrine and other factor-regulated calcium reabsorption, mineral absorption, ion homeostasis, and ion transport by P-type ATPases. Notably, the crosstalk targets between pesticide components played crucial roles in influencing RPL results, suggesting a role in attenuating pesticide agents that contribute to RPL. It is important to note that non-significant concentration of the pesticide components observed in both control and RPL samples should not prematurely undermine the potential for pesticides to induce RPL in humans. This study emphasizes the complexity of pesticide induced RPL and highlights avenues for further research and precautionary measures.
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Affiliation(s)
- Muhammad Luthfi
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Computational Chemistry, Department of Chemistry, Chulalongkorn University, Bangkok, Thailand
| | - R B Pandey
- School of Mathematics and Natural Sciences, University of Southern Mississippi, Hattiesburg, MS, USA
| | - Yong-Chao Su
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Pornthep Sompornpisut
- Program in Bioinformatics and Computational Biology, Graduate School, Chulalongkorn University, Bangkok, Thailand
- Center of Excellence in Computational Chemistry, Department of Chemistry, Chulalongkorn University, Bangkok, Thailand
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Li JY, He XY, Wang TS, Sun YL, Tan Y. Possible contributions of fibrogenesis to recurrent miscarriages - A transcriptome analysis. Gene 2024; 908:148231. [PMID: 38309316 DOI: 10.1016/j.gene.2024.148231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 01/16/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
Recurrent miscarriages (RM) generally refer to two or more consecutive pregnancy losses. The risk of miscarriages grows with its frequency of occurrences, so as the future obstetric complications or longer-term health problems for patients. Most previous researches sought to discover the etiology of RM by making comparisons between patients with RM and fertile women. Our study collected decidua tissues from patients with RM and single miscarriage (SM) for transcriptome sequencing analysis and aimed at identifying vital factors contributing to additional miscarriages after previous miscarriage. Between the RM and SM group, a total of 122 differentially expressed genes (DEGs) were detected and pathways associated with cell adhesion and ECM remodeling were particularly enriched in the RM group, which indicated abnormally activated fibrogenesis process. Particularly, the enhancement of ITGB6, EGFLAM and COL3A1 in the RM group were validated by RT-qPCR. Our study discovered that fibrogenesis, which might be caused by intrauterine manipulation, could lead to recurrent miscarriages after a previous miscarriage. Therefore, we encourage higher attention to thorough prevention and prompt remedies towards fibrotic disorders related diseases.
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Affiliation(s)
- Jun-Yuan Li
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
| | - Xiao-Ying He
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China; Department of Gynecology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
| | - Tong-Shuai Wang
- Hongqiao International Institute of Medicine, Shanghai Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200336, China.
| | - Ye-Li Sun
- Shanghai Key Laboratory of Maternal Fetal Medicine, Shanghai Institute of Maternal-Fetal Medicine and Gynecologic Oncology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
| | - Yuan Tan
- Department of Integrated Traditional Chinese Medicine (TCM) & Western Medicine, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China.
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Li Q, Zhang L, Zou H, Chai T, Su Y, Shen Y, He X, Qi H, Li C. Multi-omics reveals the switch role of abnormal methylation in the regulation of decidual macrophages function in recurrent spontaneous abortion. Cell Signal 2024; 117:111071. [PMID: 38295895 DOI: 10.1016/j.cellsig.2024.111071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/09/2024] [Accepted: 01/28/2024] [Indexed: 02/05/2024]
Abstract
RSA, recurrent spontaneous abortion, often causes serious physical damage and psychological pressure in reproductive women with unclarified pathogenesis. Abnormal function of decidual cells and aberrant DNA methylation have been reported to cause RSA, but their association remains unclear. Here, we integrated transcriptome, DNA methylome, and scRNA-seq to clarify the regulatory relationship between DNA methylation and decidual cells in RSA. We found that DNA methylation mainly influenced the function of decidual macrophages (DMs), of which four hub genes, HLA-A, HLA-F, SQSTM1/P62, and Interferon regulatory factor 7 (IRF7), related to 22 hypomethylated CpG sites, regulated 16 hub pathways to participate in RSA pathogenesis. In particular, using transcription factor analysis, it is suggested that the upregulation of IRF7 transcription was associated with enhanced recruitment of the transcription factor STAT1 by the hypomethylated promoter region of IRF7. As the current research on DNA methylation of macrophages in the uterine microenvironment of RSA is still blank, our systematic picture of abnormal DNA methylation in regulating DM function provides new insights into the role of DNA methylation in RSA occurrence, which may aid in further prevention and treatment of RSA.
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Affiliation(s)
- Qian Li
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Lei Zhang
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Hua Zou
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Tingjia Chai
- Department of Endocrine Laboratory, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yan Su
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Yan Shen
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Xiao He
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China
| | - Hongbo Qi
- Department of Obstetrics and Gynecology, Women and Children's Hospital of Chongqing Medical University, China; Department of Obstetrics and Gynecology, Chongqing Health Center for Women and Children, China.
| | - Chunli Li
- Department of Clinical Laboratory, Women and Children's Hospital of Chongqing Medical University, Chongqing, China; Department of Clinical Laboratory, Chongqing Health Center for Women and Children, Chongqing, China.
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Shi JX, Yang L, Gan J, Gu WW, Gu Y, Shi Y, Jiang HY, Xu HR, Yang SH, Zhang X, Wang J. MiR-3074-5p Regulates Trophoblasts Function via EIF2S1/GDF15 Pathway in Recurrent Miscarriage. Reprod Sci 2024; 31:1290-1302. [PMID: 38151653 DOI: 10.1007/s43032-023-01436-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 12/12/2023] [Indexed: 12/29/2023]
Abstract
Dysfunction of extravillous trophoblasts (EVTs) might cause early pregnancy failure by interfering with embryo implantation and/or placentation. We previously reported that the villus miR-3074-5p expression level was increased, whereas the peripheral level of GDF15, a predict target gene of miR-3074-5p, was decreased in recurrent miscarriages (RM) patients, and miR-3074-5p could enhance apoptosis but reduce invasion of human extravillous trophoblast cells (EVTs). The aim of this study was to further explore roles of miR-3074-5p/GDF15 pathway in regulation of EVTs function. It was validated that GDF15 was not the direct target of miR-3074-5p, whereas EIF2S1, an upstream regulator of GDF15 maturation and secretion, was the direct target of miR-3074-5p. The villus expression levels of GDF15 and EIF2S1 were significantly decreased in RM patients. Knockdown of GDF15 expression presented inhibitory effects on proliferation, migration, and invasion of HTR8/SVneo cells. Up-regulated miR-3074-5p expression led to the significant decreased GDF15 expression in HTR8/SVneo cells, and this effect could be efficiently reversed by the overexpression of EIF2S1. Meanwhile, the suppressive effects of miR-3074-5p on proliferation, migration, and invasion of HTR8/SVneo cells could be intercepted by the treatment of recombinant human GDF15 protein. Collectively, these data suggested that miR-3074-5p could reduce GDF15 production via targeting inhibition of EIF2S1 expression, and the deficiency in GDF15 function might lead to the early pregnancy loss by attenuating proliferation and invasion of EVTs.
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Affiliation(s)
- Jia-Xin Shi
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Long Yang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Jie Gan
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Wen-Wen Gu
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Yan Gu
- The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Yan Shi
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Han-Yu Jiang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Hao-Ran Xu
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Shu-Han Yang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China
| | - Xuan Zhang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China.
| | - Jian Wang
- Shanghai-MOST Key Laboratory of Health and Disease Genomics, NHC Key Lab of Reproduction Regulation, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Medical School, Fudan University, Shanghai, 200237, China.
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Huang X, Yin T, Song M, Pan J. Association of estrogen receptor and progesterone receptor genetic polymorphisms with recurrent pregnancy loss: A systematic review and meta-analysis. Eur J Obstet Gynecol Reprod Biol 2024; 296:65-75. [PMID: 38402782 DOI: 10.1016/j.ejogrb.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 01/02/2024] [Accepted: 01/06/2024] [Indexed: 02/27/2024]
Abstract
OBJECTIVE Estrogen and progesterone play key roles in the maintenance of pregnancy, and their function is mediated via estrogen receptor 1 (ESR1)/estrogen receptor 2 (ESR2) and progesterone receptor (PGR), respectively. It has been suggested the genetic variations in ESR1, ESR2, and PGR may contribute to recurrent pregnancy loss (RPL); however, the available evidence remains controversial. This meta-analysis aimed to explore the relation of various polymorphisms in ESR1, ESR2, and PGR genes to the risk of RPL. METHODS A systematic literature search was conducted using PubMed and Scopus up to August 2023 to obtain relevant studies. The odds ratios (ORs) with 95% confidence intervals (95% CIs) were computed and pooled with the use of random-effects models to test the associations. RESULTS A total of 31 studies with 12 different polymorphisms, including 5 polymorphisms for ESR1, 3 polymorphisms for ESR2, and 4 polymorphisms for PGR, were analyzed in this meta-analysis. Overall, no significant relationship was found between various polymorphisms of ESR1 and ESR2 with RPL in any of the genetic analysis models. PGR rs590688 (C > G) polymorphism was significantly related to the elevated risk of RPL under the dominant (OR = 1.67; 95 %CI: 1.15-2.44), allelic (OR = 1.55; 95 %CI: 1.13-2.12), and GC vs. CC (OR = 1.55; 95 %CI: 1.07-2.23) models. No significant association was identified for other variants of PGR gene. CONCLUSION Unlike estrogen receptors, variations in PGR rs590688 (C > G) may be linked to the increased risk of RPL. More studies are required to confirm this finding.
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Affiliation(s)
- Xiaoge Huang
- Department of Obstetrics, Jinan Maternal and Child Health Care Hospital, Shandong First Medical University, No.2, Jianguo Xiaojingsan Road, Jinan 250001, Shandong, PR China
| | - Ting Yin
- Department of Obstetrics, Jinan Maternal and Child Health Care Hospital, Shandong First Medical University, No.2, Jianguo Xiaojingsan Road, Jinan 250001, Shandong, PR China
| | - Min Song
- Department of Obstetrics, Jinan Maternal and Child Health Care Hospital, Shandong First Medical University, No.2, Jianguo Xiaojingsan Road, Jinan 250001, Shandong, PR China
| | - Jing Pan
- Department of Obstetrics, Jinan Maternal and Child Health Care Hospital, Shandong First Medical University, No.2, Jianguo Xiaojingsan Road, Jinan 250001, Shandong, PR China.
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Liu Z, Wang C, Tang Y, Zhang X, Pei J, Liu H, Yu Y, Gu W. ENO1 promotes trophoblast invasion regulated by E2F8 in recurrent miscarriage. FASEB J 2024; 38:e23631. [PMID: 38661062 DOI: 10.1096/fj.202302032rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 04/06/2024] [Accepted: 04/12/2024] [Indexed: 04/26/2024]
Abstract
Recurrent miscarriage (RM) is related to the dysfunction of extravillous trophoblast cells (EVTs), but the comprehensive mechanisms remain largely unexplored. We analyzed single-cell RNA sequencing (scRNA-seq), bulk RNA sequencing and microarray datasets obtained from Gene Expression Omnibus (GEO) database to explore the hub genes in the mechanisms of RM. We identified 1724 differentially expressed genes (DEGs) in EVTs from the RM, and they were all expressed along the trajectory of EVTs. These DEGs were associated with hypoxia and glucose metabolism. Single-cell Regulatory Network Inference and Clustering (SCENIC) analysis revealed that E2F transcription factor (E2F) 8 (E2F8) was a key transcription factor for these DEGs. And the expression of ENO1 can be positively regulated by E2F8 via RNA sequencing analysis. Subsequently, we performed immunofluorescence assay (IF), plasmid transfection, western blotting, chromatin immunoprecipitation (ChIP), real-time quantitative polymerase chain reaction (qRT-PCR), and transwell assays for validation experiments. We found that the expression of alpha-Enolase 1 (ENO1) was lower in the placentas of RM. Importantly, E2F8 can transcriptionally regulate the expression of ENO1 to promote the invasion of trophoblast cells by inhibiting secreted frizzled-related protein 1/4 (SFRP1/4) to activate Wnt signaling pathway. Our results suggest that ENO1 can promote trophoblast invasion via an E2F8-dependent manner, highlighting a potential novel target for the physiological mechanisms of RM.
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Affiliation(s)
- Zhenzhen Liu
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Chengjie Wang
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Yao Tang
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Xiaoyue Zhang
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Jiangnan Pei
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Haiyan Liu
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Yi Yu
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
| | - Weirong Gu
- Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai, China
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Huang Y, Dai F, Chen L, Li Z, Liu H, Cheng Y. BMP4 in Human Endometrial Stromal Cells Can Affect Decidualization by Regulating FOXO1 Expression. Endocrinology 2024; 165:bqae049. [PMID: 38679470 DOI: 10.1210/endocr/bqae049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/06/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024]
Abstract
CONTEXT Recurrent spontaneous abortion (RSA) is defined as the loss of 2 or more consecutive intrauterine pregnancies with the same sexual partner in the first trimester. Despite its significance, the etiology and underlying mechanisms of RSA remain elusive. Defective decidualization is proposed as one of the potential causes of RSA, with abnormal decidualization leading to disturbances in trophoblast invasion function. OBJECTIVE To assess the role of bone morphogenetic protein 4 (BMP4) in decidualization and RSA. METHODS Decidual samples were collected from both RSA patients and healthy controls to assess BMP4 expression. In vitro cell experiments utilized the hESC cell line to investigate the impact of BMP4 on decidualization and associated aging, as well as its role in the maternal-fetal interface communication. Subsequently, a spontaneous abortion mouse model was established to evaluate embryo resorption rates and BMP4 expression levels. RESULTS Our study identified a significant downregulation of BMP4 expression in the decidua of RSA patients compared to the normal control group. In vitro, BMP4 knockdown resulted in inadequate decidualization and inhibited associated aging processes. Mechanistically, BMP4 was implicated in the regulation of FOXO1 expression, thereby influencing decidualization and aging. Furthermore, loss of BMP4 hindered trophoblast migration and invasion via FOXO1 modulation. Additionally, BMP4 downregulation was observed in RSA mice. CONCLUSION Our findings highlighted the downregulation of BMP4 in both RSA patients and mice. BMP4 in human endometrial stromal cells was shown to modulate decidualization by regulating FOXO1 expression. Loss of BMP4 may contribute to the pathogenesis of RSA, suggesting potential avenues for abortion prevention strategies.
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Affiliation(s)
- Yanjie Huang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
| | - Fangfang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
| | - Liping Chen
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
| | - Zhidian Li
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
| | - Hua Liu
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, People's Republic of China
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10
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Latifimehr M, Nazari L, Rastegari AA, Zamani Z, Fard-Esfahani P. The Association between Histidine-Rich Glycoprotein rs10770 Genotype and Recurrent Miscarriage in Iranian Women. Biomed Res Int 2024; 2024:2501086. [PMID: 38659607 PMCID: PMC11042909 DOI: 10.1155/2024/2501086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 03/08/2024] [Accepted: 03/22/2024] [Indexed: 04/26/2024]
Abstract
Purpose Recurrent miscarriage (RM) is a significant reproductive concern affecting numerous women globally. Genetic factors are believed to play a crucial role in RM, making the histidine-rich glycoprotein (HRG) gene, a topic of interest due to its potential involvement in angiogenesis. This study is aimed at investigating the association between the HRG rs10770 genotype and RM. Method Blood samples were collected from a total of 200 women at the beginning of the study. Subsequently, a comparative analysis was conducted between the blood samples of 100 women with a history of RM (case group) and the blood samples of another 100 healthy women (control group). HRG rs10770 genotyping was performed through polymerase chain reaction restriction-fragment length polymorphism (PCR-RFLP), followed by statistical analysis to evaluate the relationship between HRG rs10770 genotype and RM. Results The results indicated a significant statistical difference between the C/C genotype (OR = 3.32, CI: 1.22-9.04, p = 0.01) and the C/T genotype (OR = 1.24, CI: 0.67-2.30, p = 0.47) in both the case and control groups. Additionally, a significant correlation was observed in the C allelic frequency among RM participants compared to the control group (OR = 1.65, CI: 1.06-2.58, p = 0.02). Conclusion The study highlights the importance of HRG rs10770 in understanding RM, shedding light on its implications for reproductive health. Furthermore, it became evident that women carrying the homozygous C/C genotype exhibited increased susceptibility to the risk of RM.
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Affiliation(s)
- Mahbobeh Latifimehr
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Leila Nazari
- Department of Obstetrics and Gynecology Preventative Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ali Asghar Rastegari
- Department of Molecular and Cell Biochemistry, Falavarjan Branch, Islamic Azad University, Isfahan, Iran
| | - Zahra Zamani
- Department of Biochemistry, Pasteur Institute of Iran, Tehran, Iran
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Wang B, Yang Y, Ye J, Han X, Yang L, Huang Y, Chao L. GRIM-19 deficiency promotes macrophage polarization to the M1 phenotype partly through glycolysis in unexplained recurrent spontaneous abortion†. Biol Reprod 2024; 110:739-749. [PMID: 38206868 DOI: 10.1093/biolre/ioae005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/07/2023] [Accepted: 01/05/2024] [Indexed: 01/13/2024] Open
Abstract
The occurrence of unexplained recurrent spontaneous abortion (URSA) is closely related to immune system disorders, however, the underlying mechanisms remain unclear. The purpose of this study was to investigate the expression of GRIM-19 in URSA and the possible pathogenesis of URSA according to macrophage polarization. Here, we showed that GRIM-19 was downregulated in the uterine decidual macrophages of patients with URSA and that GRIM-19 downregulation was accompanied by increased M1 macrophage polarization. Furthermore, the expression levels of glycolytic enzymes were substantially enhanced in the uterine decidual macrophages of URSA patients, and glycolysis in THP-1-derived macrophages was further enhanced by the downregulation of GRIM-19. Additionally, the increase of M1 macrophages resulting from the loss of GRIM-19 was significantly reversed in cells treated with 2-deoxy-D-glucose (2-DG, an inhibitor of glycolysis). To provide more direct evidence, GRIM-19 deficiency was shown to promote macrophage polarization to the M1 phenotype in GRIM-19+/- mouse uteri. Overall, our study provides evidence that GRIM-19 deficiency may play a role in regulating macrophage polarization in URSA, and that glycolysis may participate in this process.
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Affiliation(s)
- Bingyu Wang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yang Yang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Jinwen Ye
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Xiaojuan Han
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Lin Yang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Yufei Huang
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
| | - Lan Chao
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, Shandong, 250012, China
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Chen X, Song QL, Ji R, Wang JY, Cao ML, Guo DY, Zhang Y, Yang J. JPT2 Affects Trophoblast Functions and Macrophage Polarization and Metabolism, and Acts as a Potential Therapeutic Target for Recurrent Spontaneous Abortion. Adv Sci (Weinh) 2024; 11:e2306359. [PMID: 38417123 PMCID: PMC11040346 DOI: 10.1002/advs.202306359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/12/2024] [Indexed: 03/01/2024]
Abstract
Recurrent spontaneous abortion (RSA) is a pregnancy-related condition with complex etiology. Trophoblast dysfunction and abnormal macrophage polarization and metabolism are associated with RSA; however, the underlying mechanisms remain unknown. Jupiter microtubule-associated homolog 2 (JPT2) is essential for calcium mobilization; however, its role in RSA remains unclear. In this study, it is found that the expression levels of JPT2, a nicotinic acid adenine dinucleotide phosphate-binding protein, are decreased in the villous tissues of patients with RSA and placental tissues of miscarried mice. Mechanistically, it is unexpectedly found that abnormal JPT2 expression regulates trophoblast function and thus involvement in RSA via c-Jun N-terminal kinase (JNK) signaling, but not via calcium mobilization. Specifically, on the one hand, JPT2 deficiency inhibits trophoblast adhesion, migration, and invasion by inhibiting the JNK/atypical chemokine receptor 3 axis. On the other hand, trophoblast JPT2 deficiency contributes to M1 macrophage polarization by promoting the accumulation of citrate and reactive oxygen species via inhibition of the JNK/interleukin-6 axis. Self-complementary adeno-associated virus 9-JPT2 treatment alleviates embryonic resorption in abortion-prone mice. In summary, this study reveals that JPT2 mediates the remodeling of the immune microenvironment at the maternal-fetal interface, suggesting its potential as a therapeutic target for RSA.
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Affiliation(s)
- Xin Chen
- Reproductive Medical CenterRenmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic DevelopmentWuhanHubei430060China
| | - Qian Lin Song
- Department of UrologyRenmin Hospital of Wuhan UniversityWuhanHubei430060China
| | - Rui Ji
- Reproductive Medical CenterRenmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic DevelopmentWuhanHubei430060China
| | - Jia Yu Wang
- Reproductive Medical CenterRenmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic DevelopmentWuhanHubei430060China
| | - Ming Liang Cao
- Department of Obstetrics and GynecologyRenmin Hospital of Wuhan UniversityWuhanHubei430060China
| | - Duan Ying Guo
- Department of GynecologyLonggang District People's Hospital of ShenzhenShenzhen518172China
| | - Yan Zhang
- Department of Obstetrics and GynecologyRenmin Hospital of Wuhan UniversityWuhanHubei430060China
| | - Jing Yang
- Reproductive Medical CenterRenmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic DevelopmentWuhanHubei430060China
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Cernera G, Liguori R, Bruzzese D, Castaldo G, De Placido G, Conforti A, Amato F, Alviggi C, Comegna M. The relevance of prothrombotic genetic variants in women who experienced pregnancy loss or embryo implantation failure: A retrospective analysis of 1922 cases. Int J Gynaecol Obstet 2024; 165:148-154. [PMID: 38112221 DOI: 10.1002/ijgo.15282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 11/04/2023] [Accepted: 11/20/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVE The aim of our study was that to assess the allelic and genotype frequencies of nine prothrombotic gene variants in patients with a history of pregnancy loss and recurrent pregnancy loss (RPL). Women who underwent assisted reproductive technology (ART) with ongoing pregnancy and those with recurrent implantation failure (RIF) were also included. METHODS Nine prothrombotic gene variants were evaluated: factor V Leiden (FVL), factor V, H1299R variant (FVR2), factor II (FII) G20210A, methylene-tetrahydrofolate reductase (MTHFR) C677T and A1298C, beta-fibrinogen -455G>A, factor XIII (FXIII) V34L, human platelet antigen-1 (HPA-1) L33P variants, and plasminogen activator inhibitor-1 (PAI-1) 4G/5G. The following study groups were assessed: (1) women who experienced one (n = 334) or two (n = 264) episodes of pregnancy loss; (2) 468 women who experienced RPL; (3) 214 women who underwent ART followed by ongoing pregnancies; and (4) 282 women who experienced RIF after ART, that is, three or more consecutive implantation failures following high-quality embryo transfers to the uterus with an appropriate endometrium. As control group, 430 subjects from the general population were enrolled. RESULTS FVL, the -455G>A variant of beta-fibrinogen, and PAI-1 4G were associated with a higher risk of developing RPL compared with the general population. Furthermore, FVL, FVR2, FII G20210A and MTHFR C677T conferred a significantly higher risk of RIF in women who performed ART compared with the general population. No statistical differences between the general population and other study groups were observed. CONCLUSIONS Specific prothrombotic genetic variants are more frequently expressed in women with RPL and RIF, supporting their role in the development of polimicrothrombosis and impairing the invasion during embryo implantation.
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Affiliation(s)
- Gustavo Cernera
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
- CEINGE-Biotecnologie avanzate, Naples, Italy
| | - Renato Liguori
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
- CEINGE-Biotecnologie avanzate, Naples, Italy
| | - Dario Bruzzese
- Dipartimento di Sanità Pubblica, Università di Napoli Federico II, Naples, Italy
| | - Giuseppe Castaldo
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
- CEINGE-Biotecnologie avanzate, Naples, Italy
| | - Giuseppe De Placido
- Dipartimento di Neuroscienze e Scienze Riproduttive e Odontostomatologiche, Università di Napoli Federico II, Naples, Italy
| | - Alessandro Conforti
- Dipartimento di Neuroscienze e Scienze Riproduttive e Odontostomatologiche, Università di Napoli Federico II, Naples, Italy
| | - Felice Amato
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
- CEINGE-Biotecnologie avanzate, Naples, Italy
| | - Carlo Alviggi
- Dipartimento di Sanità Pubblica, Università di Napoli Federico II, Naples, Italy
| | - Marika Comegna
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università di Napoli Federico II, Naples, Italy
- CEINGE-Biotecnologie avanzate, Naples, Italy
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14
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Zhang L, Li H, Han L, Zhang L, Zu Z, Zhang J. Association between semen parameters and recurrent pregnancy loss: An umbrella review of meta-analyses. J Obstet Gynaecol Res 2024; 50:545-556. [PMID: 38204154 DOI: 10.1111/jog.15886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 12/30/2023] [Indexed: 01/12/2024]
Abstract
AIM Recurrent pregnancy loss (RPL) is a common clinical reproductive problem. With research advancements, an increasing number of studies have suggested that male factors play an important role in RPL. However, the evaluation results of male sperm quality in published meta-analyses are inconsistent. We aimed to summarize the evidence of the association between semen factors and RPL and evaluate the level and validity of the evidence. METHODS We searched PubMed, Cochrane Library, EMBASE, Web of Science, and Scopus databases for systematic reviews or meta-analyses to evaluate the association between male semen parameters and RPL. The methodological quality of the included meta-analyses was assessed, and data and evidence were re-synthesized and stratified using a random-effects model. RESULTS Seven meta-analyses and nine semen parameters were included in the final analysis. The methodological quality of all publications was considered low or very low. There was highly suggestive evidence for the association between sperm DNA fragmentation (SDF), sperm progressive motility rate, and RPL (class II). The evidence level for the association between sperm concentration, normal sperm morphology, sperm deformity rate, total motility, and RPL was suggestive evidence (class III). The evidence level for the association between sperm volume and sperm count and RPL was weak (class IV). There was no significant association between sperm pH and RPL (class NS). CONCLUSIONS Our results suggest level II evidence for the association between male SDF and RPL, while the evidence level for the association between conventional semen routine parameters and RPL was low (classes III and IV).
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Affiliation(s)
- Lei Zhang
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Honglin Li
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Letian Han
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
- Reproductive and Genetic Center of Integrated Traditional and Western Medicine, Hospital Affiliated to Shandong University of Traditional Chinese Medicine, Jinan, China
- Shandong Qidu Pharmaceutical Co. Ltd., Shandong Provincial Key Laboratory of Neuroprotective Drugs, Zibo, China
| | - Liang Zhang
- Reproductive and Genetic Center of Integrated Traditional and Western Medicine, Hospital Affiliated to Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Zhihui Zu
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jianwei Zhang
- The First Clinical College, Shandong University of Traditional Chinese Medicine, Jinan, China
- Reproductive and Genetic Center of Integrated Traditional and Western Medicine, Hospital Affiliated to Shandong University of Traditional Chinese Medicine, Jinan, China
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15
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Ahmadi H, Soltani-Zangbar MS, Yousefi M, Baradaran B, Bromand S, Aghebati-Maleki L, Szekeres-Bartho J. The evaluation of PD-1 and Tim-3 expression besides their related miRNAs in PBMCs of women with recurrent pregnancy loss. Immunol Lett 2024; 266:106837. [PMID: 38266686 DOI: 10.1016/j.imlet.2024.106837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 01/07/2024] [Accepted: 01/21/2024] [Indexed: 01/26/2024]
Abstract
Recurrent pregnancy loss (RPL) is a multifactorial disorder, associated with immunologic abnormalities. During pregnancy, the maternal immune system uses different tolerance mechanisms to deal with a semi-allogenic fetus. The expression of immune checkpoints and their related miRNAs in immune cells can ensure pregnancy at the feto-maternal interface by modulating immune responses. This study aims to evaluate the expression of the immune checkpoint molecules PD-1 and Tim-3 on circulating T cells by flow cytometry, that of mir-138 and mir-155 in PBMCs by Real-time PCR, and the concentrations of TGF-β and IP-10 in the sera of women suffering from RPL as well as of gestational age-matched healthy pregnant women by ELISA. The percentage of PD-1 or Tim-3 expressing CD8+ T cells was significantly lower in RPL patients compared to the controls, while there was no significant difference in Tim-3 expression of CD4+ T cells between the two groups. The mRNA of both the PD-1 and Tim-3 genes were downregulated in PBMCs of RPL patients compared to controls, however, the difference was not statistically significant for Tim-3. The concentration of TGF-β was significantly lower and that of IP-10 was significantly higher in the sera of RPL patients than in those of the controls. The relative expression of mir-138 and miR-155 were significantly lower, in PBMCs of RPL patients than in those of healthy pregnant women. These data confirm that by affecting cytokine production, immune checkpoints, and microRNAs play a role in establishing the appropriate local immune environment for successful pregnancy. The wider analysis of immune checkpoints may also yield new biomarkers for the diagnosis and prevention of RPL.
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Affiliation(s)
- Hamid Ahmadi
- Department of Medical Biology and Central Electron Microscope Laboratory, Medical School, Pécs University, Pécs, Hungary
| | | | - Mehdi Yousefi
- Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saro Bromand
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Julia Szekeres-Bartho
- Department of Medical Biology and Central Electron Microscope Laboratory, Medical School, Pécs University, Pécs, Hungary; János Szentágothai Research Centre, Pecs University, Pecs, Hungary; Endocrine Studies, Centre of Excellence, Pecs University, Pecs, Hungary; MTA - PTE Human Reproduction Research Group, Pecs, Hungary; National Laboratory of Human Reproduction, Pécs, Hungary.
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16
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Babker AM, Fadlalmula HA, Gamal G Elggourish A, Ahmed HKF, Yousri Masoud Awad S, Elzaki SG, Suliman RS, Bin Shaya AS, Alfahed A, Alharthi NS, Hjazi AM, Hakami NY, Hakami MA, Almotiri A, Waggiallah HA. Detection of human platelets antigen polymorphism (HPA-1 and HPA-3) and human factor XIII mutation in Sudanese women with recurrent pregnancy loss. BMC Res Notes 2024; 17:66. [PMID: 38443929 PMCID: PMC10916023 DOI: 10.1186/s13104-024-06715-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 02/07/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Recurrent pregnancy Loss (RPL) is common problem affecting many couples. A certain genetic variants link to increase the danger of this condition particularly HPA-1, HPA-3 and Human Factor XIII Val34Leu Mutation. The present study aims to find an association between RPL and the Factor XIII Val34Leu polymorphism, as well as HPA-1 and HPA-3 in Sudanese women with RPL. METHODS This case-control study conducted between June 2022 and December 2022 included 216 women, with 103 cases having minimum three abortions in the past, and 113 healthy controls with at least two full-term births and no abortion history. DNA was isolated from whole blood and the status of three genetic polymorphisms (HPA-1, HPA-3, and factor XIII) was done using a polymerase chain reaction (PCR). Data was analysed using the SPSS version 24 software. RESULTS The A/A genotype was found to be more prevalent in cases (79.6%) and controls (96.5%) regarding HPA-1. A significant difference was observed in overall allele frequency for B allele (97.0%) and expected frequency of A allele was (81.1%) using the Hardy-Weinberg distribution (p < 0.001). The genotype A/A was most common in these patients (90.3%) and controls (100%), while B/B genotype was only (9.7%) in patients regarding HPA-3. Furthermore, the frequency of Val/Val genotype was higher in cases (88.3%) as compared with controls (90.3%). The risk of RPL in patients was nearly the same in Val/Leu individuals and controls group but all these differences were not statistically significant (p > 0.05). CONCLUSION Our results indicate a link between Human Platelet Antigen-1 (HPA-1), Human Platelet Antigen-3 (HPA-3) and Factor XIII gene polymorphism with RPL.
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Affiliation(s)
- Asaad Ma Babker
- Department of Medical Laboratory Sciences, College of Health Sciences, Gulf Medical University, Ajman, United Arab Emirates
| | - Huda Ahamed Fadlalmula
- Department of Epidemiology, Tropical Medicine Research Institute, National Center for Research, Khartoum, Sudan
| | - Amanda Gamal G Elggourish
- Department of Epidemiology, Tropical Medicine Research Institute, National Center for Research, Khartoum, Sudan
| | - Hanan Khalid Fadul Ahmed
- Department of Epidemiology, Tropical Medicine Research Institute, National Center for Research, Khartoum, Sudan
| | - Shima Yousri Masoud Awad
- Department of Epidemiology, Tropical Medicine Research Institute, National Center for Research, Khartoum, Sudan
| | - Salaheldein G Elzaki
- Department of Epidemiology, Tropical Medicine Research Institute, National Center for Research, Khartoum, Sudan
| | - Rania Saad Suliman
- Department of Clinical Laboratory Sciences, Prince Sultan Military College for Health Sciences, Dhahran, Saudi Arabia
| | - Abdulkarim S Bin Shaya
- Department of Medical Laboratory, College of Applied Medical Science , Prince Sattam Bin Abdulaziz University, 11942, Alkharj, Saudi Arabia
| | - Abdulaziz Alfahed
- Department of Medical Laboratory, College of Applied Medical Science , Prince Sattam Bin Abdulaziz University, 11942, Alkharj, Saudi Arabia
| | - Nahed S Alharthi
- Department of Medical Laboratory, College of Applied Medical Science , Prince Sattam Bin Abdulaziz University, 11942, Alkharj, Saudi Arabia
| | - Ahmed M Hjazi
- Department of Medical Laboratory, College of Applied Medical Science , Prince Sattam Bin Abdulaziz University, 11942, Alkharj, Saudi Arabia
| | - Nora Y Hakami
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences , King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammed Ageeli Hakami
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Al- Quwayiyah, Riyadh, Saudi Arabia
| | - Alhomidi Almotiri
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Shaqra University, Dawadmi, Riyadh, Saudi Arabia
| | - Hisham Ali Waggiallah
- Department of Medical Laboratory, College of Applied Medical Science , Prince Sattam Bin Abdulaziz University, 11942, Alkharj, Saudi Arabia.
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17
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JOSE SINU. Maternal methylenetetrahydrofolate reductase (MTHFR) A1298C polymorphism: implications in preventing recurrent pregnancy loss. J Prev Med Hyg 2024; 65:E1-E3. [PMID: 38706759 PMCID: PMC11066823 DOI: 10.15167/2421-4248/jpmh2024.65.1.3079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 01/23/2024] [Indexed: 05/07/2024]
Affiliation(s)
- SINU JOSE
- Postgraduate Institute of Medical Education and Research, PGIMER, Chandigarh, India
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18
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Shuai R, Li D, Xu X, Yang X, Liu D. Meta-analysis of FOXP3 polymorphisms and recurrent spontaneous abortion susceptibility. Am J Reprod Immunol 2024; 91:e13827. [PMID: 38433312 DOI: 10.1111/aji.13827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/19/2024] [Accepted: 02/05/2024] [Indexed: 03/05/2024] Open
Abstract
BACKGROUND The polymorphisms of the FOXP3 gene may mediate abnormalities in Tregs, leading to an imbalance in maternal-fetal immune tolerance and ultimately resulting in recurrent spontaneous abortion (RSA). This meta-analysis aims to assess the potential association between FOXP3 polymorphisms and susceptibility to RSA using five specific single nucleotide polymorphisms (SNPs). MATERIALS AND METHODS By conducting a comprehensive search across databases such as EMBASE, PubMed, Web of Science, Cochrane Library, CNKI, Wanfang, and CBM, we identified suitable studies for inclusion in the meta-analysis. The data extracted from these studies were subjected to analysis using Stata SE 15. To assess the degree of association, we utilized the odds ratio (OR) along with its corresponding 95% confidence intervals (CI). Five specific single nucleotide polymorphisms (SNPs) were employed in assessing the connection between FOXP3 gene polymorphisms and RSA. RESULTS The meta-analysis demonstrated a significant association between several polymorphisms (rs3761548, rs2232365, rs2232368, rs2280883, and rs2294021) and susceptibility to RSA. Conversely, the FOXP3 rs5902434 polymorphism was not associated with susceptibility to RSA. CONCLUSION Our meta-analysis suggests that these genetic variations within the FOXP3 gene might play a role in the progression of RSA disease. Meanwhile, large-scale studies that consider multiple factors are needed to validate this finding.
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Affiliation(s)
- Ruzhen Shuai
- Department of Obstetrics and Gynecology, Gansu Provincial Hospital, Lanzhou, China
| | - Dandan Li
- Department of Reproductive Medicine, Jinan Maternity and Child Care Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xincong Xu
- The First Clinical Medical College of Gansu University of Traditional Chinese Medicine, Lanzhou, China
| | - Xiaojuan Yang
- Department of Obstetrics and Gynecology, Gansu Provincial Hospital, Lanzhou, China
| | - Dan Liu
- Institute of Medical Sciences, Department of Gynecology, General Hospital of Ningxia, Medical University, Key Laboratory of Ministry of Education for Fertility Preservation and Maintenance, Ningxia Medical University, Yinchuan, China
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19
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Heidari MM, Mazrouei B, Tahmasebi M, Bagheri F, Khanjankhani Z, Khatami M, Dehghani M, Khormizi FZ. Novel nucleotide variations in the thrombomodulin (THBD) gene involved in coagulation pathways can increase the risk of recurrent pregnancy loss (RPL). Gene 2024; 895:148011. [PMID: 37979949 DOI: 10.1016/j.gene.2023.148011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/06/2023] [Accepted: 11/15/2023] [Indexed: 11/20/2023]
Abstract
Recurrent pregnancy loss (RPL) is a common but complex complication in fertility conditions, affecting about 15-20% of couples. Although several causes have been proposed for RPL, it occurs in about 35-60% of cases without a known explanation. A strong assumption is that genetic factors play a role in the etiology and pathophysiology of PRL. Therefore, several genes are proposed as candidates in the pathogenesis of RPL. The current study aimed to investigate the effects of nucleotide changes in the THBD (thrombomodulin) gene as an RPL-related candidate gene. This gene encodes a cell receptor for thrombin and is involved in reproductive loss in RPL cases. Its involvement in the natural anticoagulant system has been extensively studied. By genetic screening of the entire coding and noncoding regions of the THBD gene, we found twenty-seven heterozygous and homozygous nucleotide changes. Ten of them led to amino acid substitutions, seven variants were identified in the promoter region, and eight of them occurred in 3'UTR. Potentially, the pathogenicity effects of these variations on THBD protein were evaluated by several prediction tools. The numerous genomic variations prompted noticeable modifications of the protein's structural and functional properties. Furthermore, in-silico scores were consistent with deleterious effects for these mutations. The results of this study provide genetic information that will be useful in the future for clinicians, scientists, and students to understand the unknown causes of RPL better. It may also pave the way for developing diagnostic/prognostic approaches to help treat PRL patients.
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Affiliation(s)
| | | | | | | | | | | | - Mohammadreza Dehghani
- Medical Genetics Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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Gil Laborda R, de Frías ER, Subhi-Issa N, de Albornoz EC, Meliá E, Órdenes M, Verdú V, Vidal J, Suárez E, Santillán I, Ordóñez D, Pintado-Vera D, González Villafáñez V, Lorenzo Á, Fariñas M, Rodríguez-Paíno M, Núñez Beltrán M, García Segovia Á, Del Olmo A, Martín Cañadas F, Daurelio R, de la Fuente A, González Casbas JM, Cabezuelo V, Ros Berruezo F, Moreno Hidalgo MÁ, Iniesta S, Bueno B, Martínez Acera Á, Izquierdo A, Vicario JL, Fernández-Arquero M, Sánchez-Ramón S. Centromeric AA motif in KIR as an optimal surrogate marker for precision definition of alloimmune reproductive failure. Sci Rep 2024; 14:3354. [PMID: 38336826 PMCID: PMC10858137 DOI: 10.1038/s41598-024-53766-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 02/05/2024] [Indexed: 02/12/2024] Open
Abstract
Throughout pregnancy, the decidua is predominantly populated by NK lymphocytes expressing Killer immunoglobulin-like receptors (KIR) that recognize human leukocyte antigen-C (HLA-C) ligands from trophoblast cells. This study aims to investigate the association of KIR-HLA-C phenotypes in couples facing infertility, particularly recurrent pregnancy loss (RPL) and recurrent implantation failure (RIF), in comparison to a reference population and fertile controls. This observational, non-interventional retrospective case-control study included patients consecutively referred to our Reproductive Immunology Unit from 2015 to 2019. We analyzed the frequencies of KIR and HLA-C genes. As control groups, we analyzed a reference Spanish population for KIR analysis and 29 fertile controls and their male partners for KIR and HLA-C combinations. We studied 397 consecutively referred women with infertility and their male partners. Among women with unexplained RPL (133 women) and RIF (176 women), the centromeric (cen)AA KIR genotype was significantly more prevalent compared to the reference Spanish population (p = 0.001 and 0.02, respectively). Furthermore, cenAA was associated with a 1.51-fold risk of RPL and a 1.2-fold risk of RIF. Conversely, the presence of BB KIR showed a lower risk of reproductive failure compared to non-BB KIR (OR: 0.12, p < 0.001). Women and their partners with HLA-C1C1/C1C1 were significantly less common in the RPL-Group (p < 0.001) and RIF-Group (p = 0.002) compared to the control group. Moreover, the combination of cenAA/C1C1 in women with C1C1 partners was significantly higher in the control group than in the RPL (p = 0.009) and RIF (p = 0.04) groups, associated with a 5-fold increase in successful pregnancy outcomes. In our cohort, the cenAA KIR haplotype proved to be a more accurate biomarker than the classic AA KIR haplotype for assessing the risk of RPL and RIF, and might be particularly useful to identify women at increased risk among the heterogeneous KIR AB or Bx population. The classification of centromeric KIR haplotypes outperforms classical KIR haplotypes, making it a better indicator of potential maternal-fetal KIR-HLA-C mismatch in patients.
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Affiliation(s)
- Raquel Gil Laborda
- Department of Immunology, IML and IdISSC, Hospital Clínico San Carlos, Madrid, Spain
| | | | - Nabil Subhi-Issa
- Department of Immunology, IML and IdISSC, Hospital Clínico San Carlos, Madrid, Spain
| | - Elena Carrillo de Albornoz
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Elena Meliá
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Marcos Órdenes
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Victoria Verdú
- Clínica GINEFIV, Madrid, Spain
- Clínica IVF, Madrid, Spain
| | - Juan Vidal
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Esther Suárez
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Isabel Santillán
- Clínica GINEFIV, Madrid, Spain
- Instituto Europeo de Fertilidad (IEF), Madrid, Spain
| | - Daniel Ordóñez
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | | | | | - Ángel Lorenzo
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | | | | | - María Núñez Beltrán
- Department of Immunology, IML and IdISSC, Hospital Clínico San Carlos, Madrid, Spain
| | - Áurea García Segovia
- Sanitas Assisted Reproduction Unit, Clínica Sanitas Millenium Alcobendas, Madrid, Spain
| | - Ainhoa Del Olmo
- Department of Immunology, IML and IdISSC, Hospital Clínico San Carlos, Madrid, Spain
| | | | | | | | | | | | | | | | - Silvia Iniesta
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Beatriz Bueno
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Álvaro Martínez Acera
- Woman Unit, Hospital Ruber Internacional, Madrid, Spain
- Assisted Reproductive Unit, Hospital Ruber Internacional, Madrid, Spain
| | - Alexandra Izquierdo
- Department of Immunology, IML and IdISSC, Hospital Clínico San Carlos, Madrid, Spain
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Ray A, Pradhan D, Siraj F, Arora R, Rastogi S. MicroRNA mediated regulation of oxidative stress and cytokines in Chlamydia trachomatis-infected recurrent spontaneous abortion: A case-control study. Am J Reprod Immunol 2024; 91:e13821. [PMID: 38374806 DOI: 10.1111/aji.13821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 01/29/2024] [Accepted: 01/29/2024] [Indexed: 02/21/2024] Open
Abstract
PROBLEM Increased oxidative stress (OS) and inflammatory responses are major underlying factors behind Chlamydia trachomatis-associated recurrent spontaneous abortion (RSA). miRNAs are known to regulate inflammation and OS and their dysregulation has been associated with compromised pregnancies. Therefore, aim of this study was to investigate the expression/correlation of OS biomarkers, cytokines and miRNAs in C. trachomatis-associated RSA. METHOD OF STUDY Urine and non-heparinized blood samples were collected from RSA patients with history of >3 consecutive abortions (cases) and non-pregnant women with history of >2 successful deliveries (controls) attending Department of Obstetrics and Gynaecology, Safdarjung hospital, New Delhi. C. trachomatis detection was done in urine by PCR. miRNA expression was studied by microarray analysis and validated by real time-PCR. Evaluation of cytokines and antioxidant genes expression were done by real-time PCR. Level of OS biomarkers 8-hydroxy guanosine (8-OHdG) and 8-isporostane (8-IP) were measured by ELISA. RESULTS Fifty circulating miRNAs were differentially expressed in infected patients compared with controls. Of these, four were overexpressed and 46 downregulated. Thirteen differentially expressed circulating miRNAs were selected to validate microarray results. miRs-8069, -3663-3p showed maximum upregulation/downregulation in infected versus control group. Expression of cytokines (IL-8, TNF-α, IFN-γ), antioxidant genes SOD2 and OS biomarkers (8-OHdG,8-IP) were increased while SOD1 was decreased in infected patients. miR-8069 showed significant positive correlation with cytokines, SOD2, 8-OHdG and 8-IP. miR-3663-3p showed significant positive correlation with SOD1. CONCLUSIONS Overall results indicate circulating miRNAs are involved in pathogenesis of C. trachomatis-associated RSA and are potential modulators of cytokine signalling and OS in infected RSA.
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Affiliation(s)
- Ankita Ray
- Molecular Microbiology laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung hospital campus, New Delhi, India
| | - Dibyabhaba Pradhan
- ICMR-AIIMS Computational Genomics Centre, Convergence Block, AIIMS, New Delhi, India
| | - Fouzia Siraj
- Pathology Laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung Hospital Campus, New Delhi, India
| | - Renu Arora
- Department of Obstetrics and Gynecology, Vardhman Mahavir Medical College (VMMC) and Safdarjung Hospital, New Delhi, India
| | - Sangita Rastogi
- Molecular Microbiology laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung hospital campus, New Delhi, India
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Moiz B, Salman M, Rasheed S, Qudus R, Millard G, Hyland CA, Flower RL, Wilson B, Turner R, Lopez GH, Liew YW. Recurrent pregnancy loss in a patient with anti-Rh17. Transfus Med 2024; 34:66-70. [PMID: 37941301 DOI: 10.1111/tme.13014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/09/2023] [Accepted: 10/30/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Rh is one of the most important blood group systems in transfusion medicine. The two homologous genes RHD and RHCE are located on chromosome 1p36.11 and encode for RhD and RhCE proteins, respectively. Complex genetic polymorphisms result in a variety of antigenic expression of D, C, E, c, and e. Here, we describe a case of a young female with D-- who developed anti-Rh17 secondary to blood transfusion and had signs of haemolytic disease of the fetus and fetal death in five consecutive pregnancies. CASE DESCRIPTION EDTA-whole blood samples were collected from the patient, husband and eight siblings for blood grouping, phenotyping, and red cell antibody screening. Extracted DNA was genotyped by SNP-microarray and massively parallel sequencing (MPS) with targeted blood group exome sequencing. Copy number variation analysis was performed to identify structural variants in the RHD and RHCE. Routine phenotyping showed all family members were D+. The patient's red blood cells were C-E-c-e-, Rh17- and Rh46- and had anti-Rh17 and anti-e antibodies. MPS showed the patient carried a wildtype RHD sequence and homozygous for RHCE (1)-D (2-9)-CE (10) hybrid gene predicted to express a D-- phenotype. CONCLUSIONS Our patient had a rare D-- phenotype and confirmed to have RHCE/RHD hybrid gene with replacement of 2-9 exons of RHCE by RHD sequences. Unfortunately, our patient developed anti-Rh17 and anti-e antibodies due to blood transfusion and suffered fetal demise in her very first pregnancy. The adverse outcomes could have been prevented by active prenatal management.
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Affiliation(s)
- Bushra Moiz
- Department of Pathology and Laboratory Medicine, Aga Khan University, Karachi, Pakistan
| | - Muhammed Salman
- Department of Pathology and Laboratory Medicine, Aga Khan University, Karachi, Pakistan
| | - Seher Rasheed
- Department of Pathology and Laboratory Medicine, Aga Khan University, Karachi, Pakistan
| | - Ruhul Qudus
- Department of Pathology and Laboratory Medicine, Aga Khan University, Karachi, Pakistan
| | - Glenda Millard
- Red Cell Reference Laboratory, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
- Research and Development, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
| | - Catherine A Hyland
- Research and Development, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Robert L Flower
- Research and Development, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Brett Wilson
- Red Cell Reference Laboratory, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
| | - Robyn Turner
- Red Cell Reference Laboratory, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
| | - Genghis H Lopez
- Research and Development, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
- School of Health and Behavioural Sciences, University of the Sunshine Coast, Sippy Downs, Queensland, Australia
| | - Yew-Wah Liew
- Red Cell Reference Laboratory, Clinical Services and Research, Australian Red Cross Lifeblood, Kelvin Grove, Queensland, Australia
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Pazoki N, Salehi M, Angaji SA, Abdollahpour‐Alitappeh M. Association of Y chromosome AZF region microdeletions with recurrent miscarriage in Iranian couples: A case-control study. Mol Genet Genomic Med 2024; 12:e2392. [PMID: 38407572 PMCID: PMC10847708 DOI: 10.1002/mgg3.2392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2023] [Revised: 01/08/2024] [Accepted: 01/24/2024] [Indexed: 02/27/2024] Open
Abstract
BACKGROUND Recent studies have linked recurrent pregnancy loss (RPL) to abnormalities in the sperm genome, specifically microdeletions in the azoospermia factor (AZF) region. This study investigated the potential association between Y chromosome microdeletions in the AZF region and RPL in Iranian couples. METHODS The research presents a case-control study of 240 men: 120 whose partners experienced recurrent miscarriage, and 120 who had successful pregnancies without history of miscarriage. The study used semen parameters, hormone analyses, and microdeletion analysis via multiplex PCR and the YChromStrip kit. Thus, the sequence-tagged site (STS) markers of AZFa (sY84, sY86), AZFb (sY127, sY134), and AZFc (sY254, sY255) regions were examined. RESULTS The variations in semen parameters and sex hormone levels between cases and controls are suggest impaired testicular function in men whose partners had recurrent miscarriages (p < 0.05). Furthermore, the study revealed a negative correlation between sperm count and follicle-stimulating hormone (FSH) level, and a positive one between sperm motility and testosterone concentration. There were no microdeletions in the control group, while the RPL group showed 20 deletions in AZFb (sY134) (16.66%) and 10 deletions each in AZFb (sY127) (8.33%) and AZFc (sY254) (8.33%). CONCLUSION Microdeletions in sY134 (AZFb) were significantly associated with RPL in Iranian men (p = 0.03). AZF microdeletion screening in couples with RPL can provide valuable information for ethnical genetic counseling and management of recurrent miscarriage. Further studies on larger populations or across various ethnic groups, conclusions and the inclusion of other factors like epigenetic changes explain the role of AZF microdeletions in RPL.
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Affiliation(s)
- Nasrin Pazoki
- Department of Genetics, Faculty of Biological SciencesNorth Tehran Branch, Islamic Azad UniversityTehranIran
| | - Mitra Salehi
- Department of Biology, Faculty of Biological SciencesNorth Tehran Branch, Islamic Azad UniversityTehranIran
| | - Seyed Abdolhamid Angaji
- Department of Cell and Molecular BiologySchool of Biological Sciences, Kharazmi UniversityTehranIran
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Bamba C, Rohilla M, Kumari A, Kaur A, Srivastava P. Influence of forkhead box protein 3 gene polymorphisms in recurrent pregnancy loss: A meta-analysis. Placenta 2024; 146:79-88. [PMID: 38198891 DOI: 10.1016/j.placenta.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/04/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
BACKGROUND Treg cells play an important role in development of tolerance in maternal immune system against the semi-allogenic embryo. Human forkhead box protein 3 (FOXP3) gene, is the major transcription factor responsible for the regulation of Treg function during pregnancy. Single nucleotide polymorphisms (SNPs) of FOXP3 gene have been reported as a risk factor for Recurrent Pregnancy Loss (RPL), however, results from previous studies are inconsistent. METHODOLOGY We have collected data from different studies to investigate the overall association of FOXP3 SNPs with risk of RPL. PubMed, Google Scholar, Elsevier, and Cochrane databases were searched to identify eligible studies. Odds Ratio (OR) and 95 % Confidence Interval (CI), calculated via fixed effect or random effect models, were used to evaluate strength of association. This meta-analysis included 11 studies (1383 RPL cases and 1413 controls) of 6 SNPs: rs3761548 A/C, rs2232365 A/G, rs2294021 T/C, 2280883 T/C, rs5902434del/ATT and rs141704699C/T, with ≥2 studies per SNPs and at least 1 significant result. RESULTS We observed that FOXP3 polymorphism was predominantly present in Asian women with history of RPL. rs2232365 A/G, rs3761548 A/C, rs2294021 T/C, rs2280883 T/C and rs5902434del/ATT polymorphisms were significantly associated with risk of RPL in Indian population. Further, among the most commonly seen polymorphism, rs3761548 A/C was significantly associated with risk of RPL in women from Kazakhstan, China and Gaza, Palestine; rs2232365 A/G in populations of Kazakhstan, Egypt, Iran and Gaza, Palestine. Results of this study indicates that FOXP3 polymorphism is significantly associated with risk of RPL, especially in Asians.
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Affiliation(s)
- Chitra Bamba
- Genetic Metabolic Unit, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education & Research, Sector-12, Chandigarh, 160012, India
| | - Minakshi Rohilla
- Department of Obstetric & Gynaecology, Post Graduate Institute of Medical Education & Research, Sector-12, Chandigarh, 160012, India
| | - Anu Kumari
- Genetic Metabolic Unit, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education & Research, Sector-12, Chandigarh, 160012, India
| | - Anupriya Kaur
- Genetic Metabolic Unit, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education & Research, Sector-12, Chandigarh, 160012, India
| | - Priyanka Srivastava
- Genetic Metabolic Unit, Department of Pediatrics, Advanced Pediatrics Centre, Post Graduate Institute of Medical Education & Research, Sector-12, Chandigarh, 160012, India.
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Eliwa J, Papas RS, Kutteh WH. Expanding the role of chromosomal microarray analysis in the evaluation of recurrent pregnancy loss. J Reprod Immunol 2024; 161:104188. [PMID: 38171035 DOI: 10.1016/j.jri.2023.104188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/18/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024]
Abstract
Multiple factors contribute to recurrent pregnancy loss (RPL). This review highlights the latest international guidelines for RPL workup, including immunological testing, by the American Society for Reproductive Medicine (ASRM), the European Society of Human Reproduction and Embryology (ESHRE), and the Royal College of Obstetricians and Gynaecologists (RCOG). These three societies recommend testing for antiphospholipid syndrome. ESHRE and RCOG also recommend thyroid peroxidase antibody testing, whereas ASRM does not. All guidelines advise against testing of natural killer cells, cytokines, antinuclear antibodies, human leukocyte antigen (HLA) compatibility, anti-HLA antibodies, and anti-sperm antibodies. However, when following ASRM, ESHRE or RCOG diagnostic guidelines, over 50% of cases have no identifiable cause. Genetic testing of products of conception (POC) can improve our understanding of unexplained RPL as aneuploidy is a common cause of RPL. Based on studies reporting results from chromosomal microarray analysis (CMA) of POC, we propose a novel algorithm for RPL evaluation. The algorithm involves following evidence-based societal guidelines (published by ASRM, ESHRE, or RCOG), excluding parental karyotyping, in combination with CMA testing of miscarriage tissue. When utilizing this new evaluation algorithm, the number of unexplained cases of RPL decreases from over 50% to less than 10%. As a result, most patients are provided an explanation for their loss and healthcare costs are potentially reduced. Patients with an otherwise negative workup with euploid POC, are classified as "truly unexplained RPL". These patients are excellent candidates for enrollment in randomized, controlled trials examining novel immunological testing and treatment protocols.
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Affiliation(s)
- Jasmine Eliwa
- Division of Obstetrics and Gynecology, University of Tennessee Health Sciences Center-Memphis, Memphis, TN, USA
| | - Ralph S Papas
- Infertility Division, Obstetrics & Gynecology Department, St George Hospital - University Medical Center - University of Balamand, Beirut, Lebanon
| | - William H Kutteh
- Division of Obstetrics and Gynecology, University of Tennessee Health Sciences Center-Memphis, Memphis, TN, USA; Recurrent Pregnancy Loss Center, Fertility Associates of Memphis, Memphis, TN, USA.
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Liang M, Suresh B, Bareke E, Choufani S, Jagadeesh S, Weksberg R, Majewski J, Slim R. A homozygous stop codon in HORMAD2 in a patient with recurrent digynic triploid miscarriage. Mol Genet Genomic Med 2024; 12:e2402. [PMID: 38400599 PMCID: PMC10891434 DOI: 10.1002/mgg3.2402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 01/19/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
BACKGROUND Recurrent miscarriage (RM) affects 1% to 5% of couples trying to conceive. Despite extensive clinical and laboratory testing, half of the RM cases remain unexplained. We report the genetic analysis of a couple with eight miscarriages and the search for their potential genetic etiology. METHODS Short tandem repeat (STR) markers, single nucleotide polymorphic (SNP) microarray, and human DNA methylation microarray were used to analyze the genotypes of two miscarriages. Exomes sequencing was performed on DNA from the two partners and identified variants were validated by Sanger sequencing. RESULTS STR marker genotyping demonstrated that the two available miscarriages are triploid digynic and resulted from the failure of Meiosis II. SNP microarray analysis revealed an additional Meiosis I abnormality that is the segregation of the two maternal homologous chromosomes in one triploid miscarriage. Whole-exome sequencing on DNA from the two partners identified candidate variants only in the female partner in two genes with roles in female reproduction, a missense in EIF4ENIF1 (OMIM 607445) and a stop gain in HORMAD2 (OMIM 618842). EIF4ENIF1 is a eukaryotic translation initiation factor 4E nuclear import factor required for the oocyte germinal vesicle breakdown, and HORMAD2 is part of the synaptonemal complex that was hypothesized to act as a checkpoint mechanism to eliminate oocytes with asynapsis during meiotic prophase I in mice. CONCLUSION While both genes may contribute to the phenotype, the Meiosis I abnormalities in the conceptions favor the causal role of HORMAD2 in the etiology of RM in this couple. This report illustrates the importance of comprehensively analyzing the products of conception to guide the search for the genetic causation of RM.
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Affiliation(s)
- Manqi Liang
- Department of Human GeneticsResearch Institute of the McGill University Health CentreMontrealQuebecCanada
| | - Beena Suresh
- Department of Clinical Genetics & Genetic CounsellingMediscan SystemsChennaiIndia
| | - Eric Bareke
- Department of Human GeneticsMcGill UniversityMontrealQuebecCanada
| | - Sanaa Choufani
- Genetics and Genome Biology Program, Research InstituteThe Hospital for Sick ChildrenTorontoOntarioCanada
| | - Sujatha Jagadeesh
- Department of Clinical Genetics & Genetic CounsellingMediscan SystemsChennaiIndia
| | - Rosanna Weksberg
- Genetics and Genome Biology Program, Research InstituteThe Hospital for Sick ChildrenTorontoOntarioCanada
- Division of Clinical & Metabolic Genetics, Department of PaediatricsThe Hospital for Sick ChildrenTorontoOntarioCanada
- Institute of Medical SciencesUniversity of TorontoTorontoOntarioCanada
| | - Jacek Majewski
- Department of Human GeneticsMcGill UniversityMontrealQuebecCanada
| | - Rima Slim
- Department of Human GeneticsResearch Institute of the McGill University Health CentreMontrealQuebecCanada
- Department of Obstetrics and GynecologyMcGill University Health CentreMontrealQuebecCanada
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Raymond C, Han S, Huang G, Clement C, Thaker H, Dong J. Digynic monoandric triploidy in the setting of recurrent pregnancy loss: a case report and literature review. Lab Med 2024; 55:103-105. [PMID: 37184333 DOI: 10.1093/labmed/lmad036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/16/2023] Open
Abstract
Triploidy is a genetic occurrence in which the chromosome count is 3n = 69 with a double (2n) chromosomal contribution to the conceptus from one parent. Such pregnancies are usually nonviable and are estimated to account for approximately 1% of recognized conceptions and 10% of recognized miscarriages. Majority opinion is that fetal losses due to triploidies are caused by the presence of 2 copies of paternal chromosomes. In this study, we present a digynic monoandric triploid miscarriage from a 32-year-old G7P1051 at approximately 13 weeks gestation, in which 2 copies of the maternal chromosomes are present in the fetus. This unusual phenomenon is supported by nonmolar placental histology, chromosomal microarray, and short tandem repeat assays, with the latter 2 being discussed in detail. Furthermore, this study includes discussion of recurrent miscarriage, recurrent triploidy, and long-term clinical follow-up of the patient.
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Affiliation(s)
- Caitlin Raymond
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
| | - Song Han
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
| | - Gengming Huang
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
| | - Cecilia Clement
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
| | - Harshwardhan Thaker
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
| | - Jianli Dong
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, US
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28
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Jin MQ, Huang BY, Lu DY, Huang JY, Ma L. Identification and verification of feature biomarkers associated with immune cells in recurrent pregnancy loss. Eur Rev Med Pharmacol Sci 2024; 28:556-570. [PMID: 38305600 DOI: 10.26355/eurrev_202401_35053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
OBJECTIVE The aim of this study was to investigate the causes, diagnostic markers, and treatment methods for recurrent pregnancy loss (RPL) using bioinformatics approaches. MATERIALS AND METHODS Bioinformatics methods were utilized to analyze gene expression databases to identify key genes and modules associated with RPL. Weighted gene co-expression network analysis (WGCNA) was employed to identify gene sets related to maternal-fetal immunity. Gene set variation analysis (GSVA) and protein-protein interaction networks were used to explore signaling pathways and molecular interactions in RPL. Immune cell infiltration was assessed using single-sample gene set enrichment analysis (ssGSEA). RESULTS Thirteen genes were identified as potential diagnostic markers, some of which were involved in placental amino acid transport, glucose absorption, and reactive oxygen species production. Several gene sets related to protein transport, steroid synthesis, and glycosaminoglycan degradation were found to be associated with RPL. Immune cell infiltration analysis found that CD56bright NK cells and monocytes showed significantly increased infiltration in RPL and were associated with key hub genes. The validation of hub genes, including PCSK5, CCND2, SLC5A3, RASAL1, MYZAP, MFAP4, and P2RY14, as potential diagnostic markers, showed promising value. CONCLUSIONS This study contributes to a better understanding of the etiology of RPL and potential diagnostic markers. The identified immune-related gene sets, signaling pathways, and immune cell infiltrations provide valuable insights for future research and therapeutic advancements in RPL.
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Affiliation(s)
- M-Q Jin
- The Reproductive Medicine Center, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, China.
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Yamazaki A, Kuroda T, Kawasaki N, Kato K, Shimojima Yamamoto K, Iwasa T, Kuwahara A, Taniguchi Y, Takeshita T, Kita Y, Mikami M, Irahara M, Yamamoto T. Preimplantation genetic testing using comprehensive genomic copy number analysis is beneficial for balanced translocation carriers. J Hum Genet 2024; 69:41-45. [PMID: 37872345 DOI: 10.1038/s10038-023-01202-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/01/2023] [Accepted: 10/11/2023] [Indexed: 10/25/2023]
Abstract
Balanced chromosomal translocation is one of chromosomal variations. Carriers of balanced chromosomal translocations have an increased risk of spontaneous miscarriage. To avoid the risk, preimplantation genetic testing (PGT) using comprehensive genomic copy number analysis has been developed. This study aimed to verify whether and how embryos from couples in which one partner is a balanced translocation carrier have a higher ratio of chromosomal abnormalities. A total of 894 biopsied trophectoderms (TEs) were obtained from 130 couples in which one partner was a balanced translocation carrier (Robertsonian translocation, reciprocal translocation, or intrachromosomal inversion) and grouped as PGT-SR. Conversely, 3269 TEs from 697 couples who experienced recurrent implantation failure or recurrent pregnancy loss were included in the PGT-A group. The transferable blastocyst ratio was significantly lower in the PGT-SR group, even when bias related to the sample number and patient age was corrected. Subgroup analysis of the PGT-SR group revealed that the transferable blastocyst ratio was higher in the Robertsonian translocation group. Because the PGT-SR group had a higher proportion of untransferable embryos than the PGT-A group, PGT using comprehensive genomic copy number analysis was more beneficial for balanced translocation carriers than for infertility patients without chromosomal translocations. The frequencies of de novo aneuploidies were further analyzed, and the frequency in the PGT-SR group was lower than that in the PGT-A group. Therefore, we could not confirm the existence of interchromosomal effects in this study.
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Affiliation(s)
- Aya Yamazaki
- Division of Gene Medicine, Graduate School of Medical Science, Tokyo Women's Medical University, Tokyo, 162-8666, Japan
- Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, 162-8666, Japan
| | | | | | | | - Keiko Shimojima Yamamoto
- Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, 162-8666, Japan
- Department of Transfusion Medicine and Cell Processing, Tokyo Women's Medical University, Tokyo, 162-8666, Japan
| | - Takeshi Iwasa
- Department of Obstetrics and Gynecology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, 770-0042, Japan
| | - Akira Kuwahara
- Department of Obstetrics and Gynecology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, 770-0042, Japan
- Clinic Cosmos, Kochi, 780-0072, Japan
| | - Yuka Taniguchi
- Department of Obstetrics and Gynecology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, 770-0042, Japan
| | - Toshiyuki Takeshita
- Department of Obstetrics and Gynecology, Nippon Medical University, Tokyo, 113-8602, Japan
- Takeshita Ladies Clinic, Tokyo, 160-0017, Japan
| | - Yosuke Kita
- Department of Psychology, Faculty of Letters, Keio University, Tokyo, 108-8345, Japan
| | - Mikio Mikami
- Department of Obstetrics and Gynecology, Tokai University School of Medicine, Kanagawa, 259-1143, Japan
| | - Minoru Irahara
- Department of Obstetrics and Gynecology, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, 770-0042, Japan
| | - Toshiyuki Yamamoto
- Division of Gene Medicine, Graduate School of Medical Science, Tokyo Women's Medical University, Tokyo, 162-8666, Japan.
- Institute of Medical Genetics, Tokyo Women's Medical University, Tokyo, 162-8666, Japan.
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Li S, Li H, Gao Y, Zou Y, Yin X, Chen ZJ, Choy KW, Dong Z, Yan J. Identification of cryptic balanced translocations in couples with unexplained recurrent pregnancy loss based upon embryonic PGT-A results. J Assist Reprod Genet 2024; 41:171-184. [PMID: 38102500 PMCID: PMC10789697 DOI: 10.1007/s10815-023-02999-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 11/27/2023] [Indexed: 12/17/2023] Open
Abstract
PURPOSE The goal of this study is to determine whether any balanced translocation (BT) had been missed by previous karyotyping in patients with unexplained recurrent pregnancy loss (uRPL). METHODS This case series included 48 uRPL-affected couples with normal karyotypes. The embryos from these couples have all undergone preimplantation testing for aneuploidies (PGT-A). Based on the PGT-A's results, 48 couples could be categorized into two groups: 17 couples whose multiple embryos were detected with similar structural variations (SVs, segmental/complete) and 31 couples without such findings but who did not develop any euploid embryo despite at least three high-quality blastocysts being tested. The peripheral blood sample of each partner was then collected for mate-pair sequencing (MPseq) to determine whether any of them were BT carriers. RESULTS MPseq analyses identified 13 BTs in the 17 couples whose multiple embryos had similar SVs detected (13/17, 76.47%) and three BTs in the 31 couples without euploid embryo obtained (3/31, 9.7%). Among the 16 MPseq-identified BTs, six were missed due to the limited resolution of G-banding karyotyping analysis, and the rest were mostly owing to the similar banding patterns and/or comparable sizes shared by the two segments exchanged. CONCLUSION A normal karyotype does not eliminate the possibility of carrying BT for couples with uRPL. The use of PGT-A allows us to perceive the "carrier couples" missed by karyotyping analysis, providing an increased risk of finding cryptic BTs if similar SVs are always detected on two chromosomes among multiple embryos. Nonetheless, certain carriers with translocated segments of sub-resolution may still go unnoticed.
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Affiliation(s)
- Shuo Li
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
| | - Hongchang Li
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
| | - Yuan Gao
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
| | - Yang Zou
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
| | - Xunqiang Yin
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
| | - Zi-Jiang Chen
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China
- Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai Jiao Tong University, Shanghai, China
- Center for Reproductive Medicine, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Kwong Wai Choy
- Department of Obstetrics & Gynecology, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China.
- The Chinese University of Hong Kong-Baylor College of Medicine Joint Center For Medical Genetics, Hong Kong, China.
- Hong Kong Branches of Chinese National Engineering Research Centers-Center for Assisted Reproductive Technology and Reproductive Genetics, Hong Kong, China.
| | - Zirui Dong
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China.
- Department of Obstetrics & Gynecology, The Chinese University of Hong Kong, Hong Kong, China.
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China.
| | - Junhao Yan
- Center for Reproductive Medicine, Cheeloo College of Medicine, Shandong University, Jinan, China.
- Key Laboratory of Reproductive Endocrinology of Ministry of Education, Shandong University, Jinan, China.
- Shandong Key Laboratory of Reproductive Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China.
- Shandong Provincial Clinical Research Center for Reproductive Health, Shandong University, Jinan, China.
- National Research Center for Assisted Reproductive Technology and Reproductive Genetics, Shandong University, Jinan, China.
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Fang Y, Zhang J, Zhu D, Mei Q, Liao T, Cheng H, He Y, Cao Y, Wei Z. MANF Promotes Unexplained Recurrent Miscarriages by Interacting with NPM1 and Downregulating Trophoblast Cell Migration and Invasion. Int J Biol Sci 2024; 20:296-311. [PMID: 38164189 PMCID: PMC10750294 DOI: 10.7150/ijbs.85378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Accepted: 11/07/2023] [Indexed: 01/03/2024] Open
Abstract
Dysplasia and invasive defects in early trophoblasts contribute to unexplained recurrent miscarriages (URMs). Mesencephalic astrocyte-derived neurotrophic factor (MANF) inhibits migration and invasion in some cancer cells, but its role in pregnancy-related diseases remains unresolved. Here, we found that MANF levels in the peripheral blood and aborted tissue of URM women were higher than in normal controls, irrespective of pregnancy or miscarriage. We confirm the interaction between MANF and nucleophosmin 1 (NPM1) in trophoblasts of URM patients, which increases the ubiquitination degradation of NPM1, leading to upregulation of the p53 signaling pathway and inhibition of cell proliferation, migration, and invasion ability. Using a URM mouse model, we found that MANF downregulation resulted in reduced fetal resorption; however, concomitant NPM1 downregulation led to increased abortion rates. These data indicate that MANF triggers miscarriage via NPM1 downregulation and p53 activation. Thus, MANF downregulation or disruption of the MANF-NPM1 interaction could be targets for URM therapeutics.
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Affiliation(s)
- Yuan Fang
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No. 81 Meishan Road, Hefei 230032, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Junhui Zhang
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230022, Anhui, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No. 81 Meishan Road, Hefei 230032, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Damin Zhu
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No. 81 Meishan Road, Hefei 230032, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Qiong Mei
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230022, Anhui, China
| | - Ting Liao
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Huiru Cheng
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Ye He
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Yunxia Cao
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Province Key Laboratory of Reproductive Health and Genetics, No. 81 Meishan Road, Hefei 230032, Anhui, China
- Anhui Provincial Engineering Research Center of Biopreservation and Artificial Organs, No. 81 Meishan Road, Hefei 230032, Anhui, China
| | - Zhaolian Wei
- Department of Obstetrics and Gynecology, the First Affiliated Hospital of Anhui Medical University, No. 218 Jixi Road, Hefei 230022, Anhui, China
- NHC Key Laboratory of Study on Abnormal Gametes and Reproductive Tract (Anhui Medical University), No. 81 Meishan Road, Hefei 230032, Anhui, China
- Key Laboratory of Population Health Across Life Cycle (Anhui Medical University), Ministry of Education of the People's Republic of China, No. 81 Meishan Road, Hefei 230032, Anhui, China
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Crafa A, Leanza C, Condorelli RA, La Vignera S, Calogero AE, Cannarella R. Relationship between degree of methylation of sperm long interspersed nuclear element-1 (LINE-1) gene and alteration of sperm parameters and age: a meta-regression analysis. J Assist Reprod Genet 2024; 41:87-97. [PMID: 37921972 PMCID: PMC10789695 DOI: 10.1007/s10815-023-02980-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 10/20/2023] [Indexed: 11/05/2023] Open
Abstract
INTRODUCTION The long interspersed nuclear element-1 (LINE1) gene is a retrotransposon whose methylation status appears to play a role in spermatogenesis, the outcome of assisted reproductive techniques (ART), and even in recurrent pregnancy loss (RPL). Advanced paternal age appears associated with altered sperm parameters, RPL, poor ART outcomes, and compromised offspring health. The methylation status of LINE1 has been reported to be affected by age. The latest meta-analysis on the LINE1 methylation pattern in spermatozoa found no significant differences in methylation levels between infertile patients and fertile controls. However, to the best of our knowledge, no updated meta-analysis on this topic has been published recently. Furthermore, no comprehensive meta-regression analysis was performed to investigate the association between sperm LINE1 methylation pattern and age. OBJECTIVES To provide an updated and comprehensive systematic review and meta-analysis on sperm LINE1 gene methylation degree in patients with abnormal sperm parameters compared to men with normal sperm parameters and to probe the association between sperm LINE1 methylation status and age and/or sperm concentration. METHODS This meta-analysis was registered in PROSPERO (registration n. CRD42023397056). It was performed according to the MOOSE guidelines for Meta-analyses and Systematic Reviews of Observational Studies and the Preferred Reporting Items for Systematic Reviews and Meta-Analysis Protocols (PRISMA-P). Only original articles evaluating LINE1 gene methylation in spermatozoa from patients with infertility or abnormalities in one or more sperm parameters compared to fertile or normozoospermic men were included. RESULTS Of 192 abstracts evaluated for eligibility, only 5 studies were included in the quantitative synthesis, involving a total of 340 patients and 150 controls. Our analysis showed no significant difference in LINE1 gene methylation degree in patients with infertility and/or abnormal sperm parameters compared to fertile controls and/or men with normal sperm parameters, although there was significant heterogeneity across studies. No significant evidence of publication bias was found, and no study was sensitive enough to alter the results. In meta-regression analysis, we found that the results were independent of both ages and sperm concentration. A sub-analysis examining patients and controls separately was also conducted and we found a trend for a positive correlation between LINE1 methylation and sperm concentration in the control group only. CONCLUSIONS The results of this systematic review and meta-analysis do not suggest a determining role of sperm LINE1 gene methylation degree in patients with infertility and/or abnormal sperm parameters. Therefore, we do not suggest including LINE1 in the genetic panel of prospective studies aimed at identifying the most representative and cost-effective genes to be analyzed in couples undergoing ART cycles.
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Affiliation(s)
- Andrea Crafa
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Claudia Leanza
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Rosita A Condorelli
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Sandro La Vignera
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Aldo E Calogero
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Rossella Cannarella
- Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy.
- Glickman Urological & Kidney Institute, Cleveland Clinic Foundation, Cleveland, OH, USA.
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Akalin H, Sahin IO, Paskal SA, Tan B, Yalcinkaya E, Demir M, Yakubi M, Caliskan BO, Ekinci OG, Ercan M, Kucuk TY, Gokgoz G, Kiraz A, Per H, Ozgun MT, Baydilli N, Ozkul Y, Dundar M. Evaluation of chromosomal abnormalities in the postnatal cohort: A single-center study on 14,242 patients. J Clin Lab Anal 2024; 38:e24997. [PMID: 38115218 PMCID: PMC10829689 DOI: 10.1002/jcla.24997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 11/15/2023] [Accepted: 12/07/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND AND AIM Chromosomal analysis is a laboratory technique used to examine the chromosomes of an individual, offering insights into chromosome numbers, structures, and arrangements to diagnose and comprehend genetic diseases. This retrospective study provides a comprehensive understanding of the distribution by indications in a large cohort of 14,242 patients and the frequency of chromosomal abnormalities in different clinical populations. METHOD The study examined various indications for karyotype evaluation, with recurrent pregnancy loss being the most common indication, followed by intellectual disability, dysmorphic features, congenital anomalies, and developmental delay. RESULTS The overall chromosomal abnormality rate was found to be 5.4%, with numerical abnormalities accounting for the majority of cases (61.7%). Trisomies, particularly trisomy 21, were the most frequent numerical abnormalities. In terms of structural abnormalities, inversions and translocations were the most commonly identified. The rates of chromosomal anomalies varied in specific indications such as amenorrhea, disorders of sex development, and Turner syndrome. The study also highlighted significant differences between males and females in the presence of chromosomal abnormalities across certain indications. Males exhibited a higher incidence of chromosomal abnormalities in cases of Down syndrome and infertility, whereas females showed higher abnormalities in terms of recurrent pregnancy loss. CONCLUSION While this study provides valuable insights into the frequency and distribution of chromosomal abnormalities, it has limitations, including its retrospective design and reliance on data from a single medical genetics department. Nevertheless, the findings emphasize the importance of karyotype analysis in diagnosing chromosomal disorders and providing appropriate management, while also pointing to potential gender-related variations in chromosomal abnormalities that warrant further investigation.
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Affiliation(s)
- Hilal Akalin
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Izem Olcay Sahin
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Seyma Aktas Paskal
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Busra Tan
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Ezgi Yalcinkaya
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Mikail Demir
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Mustafa Yakubi
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Busra Ozguc Caliskan
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Ozlem Gokce Ekinci
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Mehmet Ercan
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Tugce Yasar Kucuk
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Gizem Gokgoz
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Aslihan Kiraz
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Huseyin Per
- Department of Pediatric Neurology, Faculty of Medicine, Children's HospitalErciyes UniversityKayseriTürkiye
| | - Mahmut Tuncay Ozgun
- Department of Obstetrics and Gynecology, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Numan Baydilli
- Department of Urology, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Yusuf Ozkul
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
| | - Munis Dundar
- Department of Medical Genetics, Faculty of MedicineErciyes UniversityKayseriTürkiye
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Zou L, Dong W, Ai Y, Li Y, Cheng Y, Feng Y. Association between eNOS gene polymorphisms and the risk of unexplained recurrent spontaneous abortion in Yunnan province, China. Technol Health Care 2024; 32:1871-1879. [PMID: 37840513 DOI: 10.3233/thc-230934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
BACKGROUND Recurrent spontaneous abortion affects approximately 1-2% of reproductive-age women, with roughly half of RSA cases classified as unexplained recurrent spontaneous abortion (URSA). Genetic polymorphisms in eNOS gene have been shown to have significant implications across various disease processes. Nevertheless, the potential impact of eNOS gene polymorphisms on the susceptibility to URSA in Yunnan population has yet to be explored or documented. OBJECTIVE This study aims to investigate the potential association between specific variations in the eNOS gene (VNTR 4b/a, -786T > C, and +894G > T) and the risk of URSA in Yunnan population. METHODS A total of 243 URSA patients and 241 healthy females are involved in this study. We conducted amplification of the eNOS gene fragment and performed sanger sequencing to detect the specific eNOS gene polymorphisms, including VNTR 4b/a, -786T > C, and +894G > T. Using a multivariate logistic regression model, we evaluate the potential association between eNOS gene polymorphisms (VNTR 4b/a, -786T > C, and +894G > T) and the risk of URSA. Furthermore, serum NO levels were measured in URSA patients. RESULTS The presence of VNTR 4a, -786C, and +894T alleles was found to be associated with an increased risk of URSA. Additionally, our study revealed a significant association between the G-C-4b haplotype of the investigated eNOS gene polymorphisms and a predisposition to URSA. Notably, these eNOS polymorphisms were shown to reduce serum NO levels in URSA patients. CONCLUSION This study provides evidence supporting the association between eNOS gene polymorphisms, VNTR 4b/a, -786T > C, and +894G > T, and the occurrence of URSA in Yunnan Province, China.
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Affiliation(s)
- Li Zou
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Wei Dong
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ying Ai
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yantao Li
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yun Cheng
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Yun Feng
- Department of Obstetrics and Gynecology, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
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Li Y, Zhou R, Xia Z, Meng L, Huang M, Hu P, Xu Z, Wang Y. Reproductive outcomes in couples with recurrent pregnancy loss after embryonic chromosomal microarray analysis. J Assist Reprod Genet 2024; 41:161-170. [PMID: 37874532 PMCID: PMC10789713 DOI: 10.1007/s10815-023-02971-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 10/10/2023] [Indexed: 10/25/2023] Open
Abstract
BACKGROUND Chromosomal microarray analysis (CMA) has been widely applied to explore the genetic etiology in recurrent pregnancy loss (RPL). However, the reproductive prognosis in RPL couples with different types of chromosomally abnormal miscarriage remains unclear. OBJECTIVES The main purpose of this study was to evaluate the reproductive prognosis among RPL couples after genetic testing in products of conception (POCs) by CMA. STUDY DESIGN In this retrospective study, 1101 RPL couples referred for genetic testing in POCs by CMA. A total of 830 couples who met the inclusion criteria were followed up for at least 24 months after the index miscarriage. The rates of live birth and adverse pregnancy events in subsequent pregnancy and cumulative pregnancies were examined. RESULTS For couples with three or more miscarriage, compared with those with chromosomally normal miscarriage, a significantly higher subsequent live birth rate was found in couples with chromosomally abnormal miscarriage (66.9% vs 71.6%, P = .040). However, differences in cumulative live birth rate among couples with chromosomally abnormal miscarriage and normal miscarriage were nonsignificant (82.7% vs 80.2%, P = .131). Women with advanced maternal age showed a significant decrease in the live birth rate (P < 0.01) and an increase in the miscarriage rate (P < 0.01) than those aged < 35 years old, regardless of whether the miscarriage was chromosomally normal or abnormal. RPL couples with chromosomally normal miscarriage showed a significant decrease in live birth rates in subsequent pregnancy and cumulative pregnancies, when they had experienced a large number of previous miscarriages; however, no significant difference was observed in those with chromosomally abnormal miscarriage. CONCLUSION For women with three or more previous miscarriages, RPL couples with chromosomally normal miscarriage manifested a poorer reproductive prognosis than those with chromosomally abnormal miscarriage in subsequent pregnancy, while the cumulative live birth rate was similar. Advanced maternal age was a predictor of adverse pregnancy events, regardless of embryonic chromosomal results. Furthermore, among RPL women with large numbers of previous miscarriages, the supportive care and counselling regarding individual risk is necessary for those with chromosomally normal miscarriage.
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Affiliation(s)
- Yiming Li
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Ran Zhou
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Zhengyi Xia
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Lulu Meng
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Mingtao Huang
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Ping Hu
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China
| | - Zhengfeng Xu
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China.
| | - Yan Wang
- Department of Prenatal Diagnosis, Women's Hospital of Nanjing Medical University, Nanjing Maternity and Child Health Care Hospital, Nanjing, Jiangsu Province, China.
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Du W, Ye C, Lin Y, Zhai H, Xia J. Study on the clinical value of Vitamin D in recurrent spontaneous abortion: Revisiting the Importance of Vitamin D. Am J Reprod Immunol 2024; 91:e13810. [PMID: 38282601 DOI: 10.1111/aji.13810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/20/2023] [Accepted: 12/27/2023] [Indexed: 01/30/2024] Open
Abstract
OBJECTIVE This study explores the possible pathogenesis of recurrent spontaneous abortion (RSA) caused by vitamin D (VD), provides evidence-based bases for prevention and treatment of RSA, improves female reproductive health. METHODS This study randomly selected 305 patients without spontaneous abortion (SA0), 216 patients with a spontaneous abortion (SA1) and 200 patients with RSA from 1421 women of childbearing age who visited the RSA specialty clinic of Hangzhou First People's Hospital from January 2021 to June 2023 to conduct a prospective clinical study. Then, we collected the data of clinical diagnosis and treatment, conducted intervention and follow-up, and finally executed statistical analysis. RESULTS (1) RSA patients were significantly older than the other two groups. (2) The rates of VD deficiency in SA1 and RSA patients were significantly higher than those in SA0. (3) When BMI < 20 or > 24 kg/m2 , there were abnormal increase in VD and increased number of spontaneous abortions. (4) The bilateral S/D of the VD-sufficient, VD-insufficient and VD-deficient groups gradually increased with statistical significance (p ≤ .018). (5) Among the 65 cases undergoing embryo chromosome examinations, chromosomal abnormalities accounted for 55.38% and 69.05% in RSA patients. (6) Among 186 patients with abnormal ACA, there was a certain negative correlation between ACA and VD, which was stronger among RSA patients. Moreover, ACA significantly decreased (p < .001) after effectively supplementing VD, and the miscarriage rate of re-pregnancy also decreased. CONCLUSION The rate of VD deficiency is higher in RSA patients. VD deficiency may be related to the age of women of childbearing age and too low or high BMI, and may cause abnormal plasma antiphospholipid antibodies, increased uterine artery resistance and abnormal chromosomal division during fertilization, leading to spontaneous abortion and even RSA. The improvement of VD deficiency may reduce the risk of RSA occurrence.
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Affiliation(s)
- Wenqi Du
- Department of Gynecology and Obstetrics, Affiliated Hangzhou First People's Hospital, School Of Medicine, Westlake University, Hangzhou, Zhejiang, China
- School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Chao Ye
- Department of Laboratory Medicine, Affiliated Hangzhou First People's Hospital, School Of Medicine, Westlake University, Hangzhou, China
| | - Yunjun Lin
- Department of Gynecology and Obstetrics, Affiliated Hangzhou First People's Hospital, School Of Medicine, Westlake University, Hangzhou, Zhejiang, China
| | - Hongbo Zhai
- Department of Gynecology and Obstetrics, Affiliated Hangzhou First People's Hospital, School Of Medicine, Westlake University, Hangzhou, Zhejiang, China
| | - Jianmei Xia
- Department of Gynecology and Obstetrics, Affiliated Hangzhou First People's Hospital, School Of Medicine, Westlake University, Hangzhou, Zhejiang, China
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Lin RC, Chao YY, Su MT, Tsai HL, Tsai PY, Wang CY. Upregulation of miR-20b-5p inhibits trophoblast invasion by blocking autophagy in recurrent miscarriage. Cell Signal 2024; 113:110934. [PMID: 37871665 DOI: 10.1016/j.cellsig.2023.110934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/01/2023] [Accepted: 10/19/2023] [Indexed: 10/25/2023]
Abstract
Recurrent miscarriage is defined as more than three pregnancy failures occurring before 20 weeks of gestation. Poor differentiation of the endometrial stroma or defective trophoblast cell invasion at the maternal-fetal interface leads to recurrent miscarriages. Several miRNAs, including miR-20b-5p, are aberrantly regulated in recurrent miscarriages; however, the underlying molecular mechanisms remain unclear. Primary cilia are antenna-like organelles that coordinate signaling during development and differentiation. Defective primary cilia formation leads to complications, such as recurrent miscarriage or preeclampsia. Here, we demonstrated that miR-20b-5p inhibited trophoblast cell invasion by blocking primary cilia formation. Mechanistically, miR-20b-5p targeted and inhibited ATG16L1 and ATG7 expression, thereby blocking autophagy. Defective autophagy reduced primary cilia formation and stopped ERK activation, which is a crucial signaling pathway for trophoblast invasion. Aspirin is used to prevent recurrent miscarriages in clinical settings. Treatment with aspirin inhibited miR-20b-5p levels, thus restoring primary cilia formation and trophoblast invasion. Thus, our findings uncovered the molecular mechanism by which miR-20b-5p suppressed primary cilia formation and trophoblast invasion by reducing the expression of ATG16L1 and ATG7. Moreover, we found that the defective phenotypes could be rescued by aspirin in recurrent miscarriages.
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Affiliation(s)
- Ruei-Ci Lin
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Yu-Ying Chao
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Mei-Tsz Su
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Hui-Ling Tsai
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan
| | - Pei-Yin Tsai
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; Department of Obstetrics and Gynecology, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan.
| | - Chia-Yih Wang
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan; Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, Tainan 701, Taiwan.
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Qian C, Pan C, Liu J, Wu L, Pan J, Liu C, Zhang H. Differential expression of immune checkpoints (OX40/OX40L and PD-1/PD-L1) in decidua of unexplained recurrent spontaneous abortion women. Hum Immunol 2024; 85:110745. [PMID: 38142184 DOI: 10.1016/j.humimm.2023.110745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 12/07/2023] [Accepted: 12/12/2023] [Indexed: 12/25/2023]
Abstract
In this study, we aimed to investigate the expression of OX40, OX40L, PD-1 and PD-L1 in patients with unexplained recurrent spontaneous abortion (URSA) compared to normal pregnancies (NP). A total of 50 patients who were diagnosed with URSA and 41 NP were recruited to this study. Real-time polymerase chain reaction (RT-PCR) was used to determine the expression of OX40, OX40L, PD-1 and PD-L1 in decidual tissues; Immunohistochemistry (IHC) was conducted to characterize the distribution of the involved genes in decidual tissues; Double immunofluorescence staining was used to prove the localization of the involved genes in decidual tissues. The concentrations of OX40L and PD-L1 in plasma were measured with enzyme-linked immunosorbent assay (ELISA). The expression of OX40L in the decidua of URSA patients was significantly increased compared to that in the NP group, while the expression of PD-L1 in the URSA group was decreased compared to that in the NP group. Both proteins are localized in the decidual stroma as analyzed by double immunofluorescence staining. The staining results were confirmed at the mRNA level of decidual tissues, while the mRNA level of peripheral blood showed no significant difference. In conclusion, the results suggest that decidual stromal cells may promote the interaction with OX40 on T cells by upregulating the expression of OX40L and reduce the interaction with PD-1 on T cells by downregulating the expression of PD-L1 in URSA patients, which may interfere with the immune tolerance of the maternal-fetal interface, leading to poor pregnancy outcomes.
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Affiliation(s)
- Chenyue Qian
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Suzhou, China; Department of Pharmacy, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou, Jiangsu, China
| | - Chenhuan Pan
- Department of Obstetrics and Gynecology, Wuxi Maternity and Child Health Care Hospital, Affiliated Women's Hospital of Jiangnan University, Wuxi, China
| | - Juanjuan Liu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Lijuan Wu
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Jie Pan
- Department of Pharmacy, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Cuiping Liu
- Jiangsu Institute of Clinical Immunology & Jiangsu Key Laboratory of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China.
| | - Hong Zhang
- Department of Obstetrics and Gynecology, The Second Affiliated Hospital of Soochow University, Suzhou, China; Jiangsu Institute of Clinical Immunology & Jiangsu Key Laboratory of Clinical Immunology, The First Affiliated Hospital of Soochow University, Suzhou, China.
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Maksiutenko EM, Barbitoff YA, Nasykhova YA, Pachuliia OV, Lazareva TE, Bespalova ON, Glotov AS. The Landscape of Point Mutations in Human Protein Coding Genes Leading to Pregnancy Loss. Int J Mol Sci 2023; 24:17572. [PMID: 38139401 PMCID: PMC10743817 DOI: 10.3390/ijms242417572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Pregnancy loss is the most frequent complication of a pregnancy which is devastating for affected families and poses a significant challenge for the health care system. Genetic factors are known to play an important role in the etiology of pregnancy loss; however, despite advances in diagnostics, the causes remain unexplained in more than 30% of cases. In this review, we aggregated the results of the decade-long studies into the genetic risk factors of pregnancy loss (including miscarriage, termination for fetal abnormality, and recurrent pregnancy loss) in euploid pregnancies, focusing on the spectrum of point mutations associated with these conditions. We reviewed the evolution of molecular genetics methods used for the genetic research into causes of pregnancy loss, and collected information about 270 individual genetic variants in 196 unique genes reported as genetic cause of pregnancy loss. Among these, variants in 18 genes have been reported by multiple studies, and two or more variants were reported as causing pregnancy loss for 57 genes. Further analysis of the properties of all known pregnancy loss genes showed that they correspond to broadly expressed, highly evolutionary conserved genes involved in crucial cell differentiation and developmental processes and related signaling pathways. Given the features of known genes, we made an effort to construct a list of candidate genes, variants in which may be expected to contribute to pregnancy loss. We believe that our results may be useful for prediction of pregnancy loss risk in couples, as well as for further investigation and revealing genetic etiology of pregnancy loss.
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Affiliation(s)
| | - Yury A. Barbitoff
- Department of Genomic Medicine, D.O. Ott Research Institute of Obstetrics, Gynaecology and Reproductology, Mendeleevskaya Line 3, 199034 St. Petersburg, Russia; (E.M.M.); (Y.A.N.); (O.V.P.); (T.E.L.); (O.N.B.)
| | | | | | | | | | - Andrey S. Glotov
- Department of Genomic Medicine, D.O. Ott Research Institute of Obstetrics, Gynaecology and Reproductology, Mendeleevskaya Line 3, 199034 St. Petersburg, Russia; (E.M.M.); (Y.A.N.); (O.V.P.); (T.E.L.); (O.N.B.)
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David D, Fino J, Oliveira R, Dória S, Morton CC. Balanced chromosomal rearrangements implicate YIPF5 and SPATC1L in non-obstructive oligoasthenozoospermia and oligozoospermia and of a derivative chromosome 22 in recurrent miscarriage. Gene 2023; 887:147737. [PMID: 37625567 DOI: 10.1016/j.gene.2023.147737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/10/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Naturally occurring balanced, unbalanced, and complex chromosomal rearrangements have been reported to cause pathogenic genomic or genetic variants leading to infertility and recurrent miscarriage. Therefore, balanced chromosomal rearrangements were used as genomic signposts for identification of candidate genes or genomic loci associated with male infertility due to defects of spermatogenesis, or with recurrent miscarriage. In three male probands, structural chromosomal variants and copy number variants were identified at nucleotide resolution by long-insert genome sequencing approaches and Sanger sequencing. The pathogenic potential of these and affected candidate genes was assessed based on convergent genomic and genotype-phenotype correlation data. Identification of balanced chromosomal rearrangement breakpoints and interpretation in the context of their genomic background of structural and copy number variants led us to conclude that the infertility due to oligoasthenozoospermia and oligozoospermia is most likely associated with a position effect on YIPF5 and SPATC1L, respectively. In a third proband with intellectual disability and recurrent miscarriage, disruption of CAMK2B causing autosomal dominant, intellectual developmental disorder 54 and increased meiotic segregation during gametogenesis of a der(22) are responsible for the reported phenotype. Our data further support the existence of loci at 5q23 and 21q22.3 for these spermatogenesis defects and highlight the importance of the naturally occurring balanced chromosomal rearrangements for assessment of the pathogenic mechanisms. Furthermore, we show comorbidities due to the same balanced chromosomal rearrangement caused by different pathogenic mechanisms.
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Affiliation(s)
- Dezső David
- Department of Human Genetics, National Institute of Health Doctor Ricardo Jorge, 1649-016 Lisbon, Portugal.
| | - Joana Fino
- Department of Human Genetics, National Institute of Health Doctor Ricardo Jorge, 1649-016 Lisbon, Portugal
| | - Renata Oliveira
- Medical Genetics Service, University Hospital Centre of São João, 4200-319 Porto, Portugal
| | - Sofia Dória
- Department of Pathology, Genetics Service, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal; I3S-Health Research and Innovation Institute, University of Porto, 4200-135 Porto, Portugal
| | - Cynthia C Morton
- Department of Obstetrics and Gynecology and of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA 02142, USA; Manchester Centre for Audiology and Deafness (ManCAD), University of Manchester M13 9PL, UK
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Ameri A, Khashei Varnamkhasti K, Parhoudeh S, Khashei Varnamkhasti S, Naeimi L, Naeimi S. Spontaneous miscarriage driven by maternal genetic mutation at position of PAI-1-844G/A: shed light on a race-specific genetic polymorphism. BMC Res Notes 2023; 16:360. [PMID: 38057822 PMCID: PMC10702074 DOI: 10.1186/s13104-023-06635-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 11/20/2023] [Indexed: 12/08/2023] Open
Abstract
OBJECTIVE Association between a genetic polymorphism and disease, either positively or negatively, within a population may not necessarily predict association in other race-ethnic populations. The aim of this study was to genotype well recognized thrombophilia associated polymorphisms as common risk factors for miscarriage and investigate their benefit to use as risk factors in southwest region of Iran females (Khuzestan) in the Arabs ethnic minority group with spontaneous miscarriage. We developed a Reverse Dot Blot Assay for the genotyping of four polymorphisms. RESULTS There were significant differences in the genotype distribution and allelic frequencies of the MTHFR 1298 A > C, MTHFR 677 C > T, Factor V Leiden 1691 G > A, PAI-1-844G > A polymorphisms between the case and control groups. The MTHFR 1298 A > C, MTHFR 677 C > T and Factor V Leiden 1691 G > A polymorphisms were significantly associated with spontaneous miscarriage risk. Unlike some other race-ethnic populations, PAI-1-844G > A polymorphism was associated with risk of developing unplanned miscarriage in Iranian Arabs ethnic minority group females.
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Affiliation(s)
- Afrah Ameri
- Department of Genetics, College of Science, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Khalil Khashei Varnamkhasti
- Department of Medical Laboratory Sciences, Faculty of Medicine, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Sara Parhoudeh
- Department of Genetics, College of Science, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Samire Khashei Varnamkhasti
- Department of Medical Laboratory Sciences, Faculty of Medicine, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Leila Naeimi
- Department of Genetics, College of Science, Kazerun Branch, Islamic Azad University, Kazerun, Iran
| | - Sirous Naeimi
- Department of Genetics, College of Science, Kazerun Branch, Islamic Azad University, Kazerun, Iran.
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Miljanović O, Ilić V, Teofilov S, Cikota-Aleksić B, Magić Z. Polymorphisms of ACE and thrombophilic genes: risk for recurrent pregnancy loss. J Clin Pathol 2023; 76:832-838. [PMID: 37977651 DOI: 10.1136/jcp-2021-208057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 08/30/2022] [Indexed: 11/03/2022]
Abstract
BACKGROUND Recurrent pregnancy loss (RPL) affects up to 5% of pregnancies, but with no consensus on the definition. Inherited thrombophilia has been postulated as a risk factor for RPL. The aim of this study was to investigate the association of RPL with polymorphisms of five genes that influent the coagulation and fibrinolysis. METHODS This study was conducted on total of 224 women, 129 women with ≥2 early RPL or ≥1 late pregnancy loss, 95 women with at least two normal life births and no history of pregnancy loss. Five gene polymorphisms F2 20 210G>A (rs1799963), F5 1691G>A (rs6025), MTHFR 677C>T (rs1801133), SERPINE1 -675 4G/5G (rs1799762) and ACE I/D (rs1799752) were genotyped by PCR-based methods. RESULTS A significant relationship was found between SERPINE1 4G/4G and ACE D/D polymorphisms and RPL (p<0.001 both, OR 2.91 and 3.02, respectively). In contrast, no association was found between F2 20 210G>A, F5 1691G>A and MTHFR 677C>T polymorphisms and risk for RPL. A combination of hypofibrinolytic homozygotes SERPINE1 4G/4G+ACE D/D was observed as a highly associated with RPL (Cochran-Armitage test, p<0.001), and their strong independent association with RPL risk was confirmed by logistic regression analysis (both p values <0.001, OR 3.35 and 3.43, respectively). CONCLUSION Our data have demonstrated that SERPINE1 and ACE gene polymorphisms, individually or in combination, appear to be a significant risk for RPL. This data may be useful in adding to the knowledge on inherited thrombophilia as an important contributor to RPL pathogenesis.
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Affiliation(s)
- Olivera Miljanović
- Center for Medical Genetic and Immunology, Clinical Centre of Montenegro, Podgorica, Montenegro
- Faculty of Medicine, University of Montenegro, Podgorica, Montenegro
| | - Vesna Ilić
- Institute of Medical Research, Military Medical Academy, Beograd, Serbia
| | - Slađana Teofilov
- Center for Medical Genetic and Immunology, Clinical Centre of Montenegro, Podgorica, Montenegro
| | | | - Zvonko Magić
- Academy of Medical Sciences, Serbian Medical Society, Beograd, Serbia
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Han N, Xia W, Zhu C, Zhang X, Wang F, Yin Z, Zeng Q. Association of human leukocyte antigen-G and -F with recurrent miscarriage and implantation failure: A systematic review and meta-analysis. Am J Reprod Immunol 2023; 90:e13792. [PMID: 38009058 DOI: 10.1111/aji.13792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/21/2023] [Accepted: 10/14/2023] [Indexed: 11/28/2023] Open
Abstract
PROBLEM The immune system plays an essential role in embryonic implantation and pregnancy, but the molecular details remain controversial. In the past four decades, human leukocyte antigen (HLA)-G and -F have garnered significant attention. METHOD OF STUDY MEDLINE, EMBASE, Web of Science, and the Cochrane Trials Registry were searched from their inception dates until December 2022. Studies were selected following PRISMA guidelines. Meta-analyses were used to assess the relationship of soluble HLA-G (sHLA-G) and HLA-G 3'-untranslated region polymorphisms with recurrent miscarriage (RM) and recurrent implantation failure (RIF). Narrative synthesis was conducted to determine the association of RM with other single nucleotide polymorphisms (SNPs) and HLA-G protein in tissues and of RIF with HLA-F. Risk-of-bias was assessed using ROBINS-I. Publication bias was assessed using Egger's and Begg's tests. RESULTS Finally, 42 articles were eligible for inclusion in the systematic review (32 in the meta-analysis; 13 in narrative synthesis). We found a significant association between the 14-bp ins/del HLA-G polymorphism and RM risk, but no definitive association with RIF risk. Women with RM had lower blood concentrations of sHLA-G during pregnancy and non-pregnancy than did controls. For women in the RIF group, no significant difference was found. CONCLUSION HLA-G protein and gene expression levels may be closely related to RM. The relevance of HLA-G to RIF is still being determined. A narrative synthesis of current studies has shown that HLA-F is likely associated with RIF.
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Affiliation(s)
- Nana Han
- Clinical medical school, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wanting Xia
- Gynecology Department, Hospital of Chengdu University of TCM, Chengdu, China
| | - Can Zhu
- Clinical medical school, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xuan Zhang
- Clinical medical school, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fan Wang
- Clinical medical school, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhixing Yin
- Clinical medical school, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qian Zeng
- Gynecology Department, Hospital of Chengdu University of TCM, Chengdu, China
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Zhang M, Huang N, Gao Y, Feng Z, Kang B, Guo H, Jiang J, Liao S, Wang H. HNRNPC mediated m 6A methylation of 5-methyltetrahydrofolate-homocysteine methyltransferase and involved in the occurrence of RSA. J Reprod Immunol 2023; 160:104160. [PMID: 37857158 DOI: 10.1016/j.jri.2023.104160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 08/16/2023] [Accepted: 10/02/2023] [Indexed: 10/21/2023]
Abstract
N6-methyladenosine methylated modification has been shown to play roles in recurrent spontaneous abortion. We aimed to explore role of heterogeneous nuclear ribonucleoprotein C in the occurrence of recurrent spontaneous abortion. We collected embryonic villous tissues from 3 patients with recurrent spontaneous abortion (RSA group) and 3 normal control pregnancy patients. Methylated RNA immunoprecipitation sequencing, RNA sequencing, methylated RNA immunoprecipitation quantitative PCR were conducted to detect the differentially expressed m6A methylation modification gene and regulatory gene in patients with recurrent spontaneous abortion. Methylated RNA immunoprecipitation sequencing and RNA sequencing results showed that the mRNA expression level of heterogeneous nuclear ribonucleoprotein C significantly decreased in RSA group and mRNA expression level of 5-methyltetrahydrofolate-homocysteine methyltransferase increased. Real-time quantitative PCR confirmed the differential expression of heterogeneous nuclear ribonucleoprotein C and 5-methyltetrahydrofolate-homocysteine methyltransferase. Methylated RNA immunoprecipitation quantitative PCR result showed that mRNA m6A modification level of 5-methyltetrahydrofolate-homocysteine methyltransferase decreased in RSA group. The results of western blotting, real-time quantitative PCR, immunofluorescence, matrigel invasion and wound healing assays indicated that heterogeneous nuclear ribonucleoprotein C might regulate the expression of 5-methyltetrahydrofolate-homocysteine methyltransferase by mediating m6A modification, thereby reducing the proliferation and migration of trophoblast cell line, ultimately leading to the occurrence of recurrent spontaneous abortion.
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Affiliation(s)
- Mengting Zhang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Nana Huang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Yue Gao
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Zhanqi Feng
- Department of Urology, The First People's Hospital of Zhengzhou, Zhengzhou, China
| | - Bing Kang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Han Guo
- Department of Pharmacology, Huadong Hospital, Fudan University, Shanghai, China
| | - Jincheng Jiang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China
| | - Shixiu Liao
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China.
| | - Hongdan Wang
- Medical Genetic Institute of Henan Province, Henan Provincial People's Hospital, Zhengzhou University People's Hospital, Zhengzhou, China; National Health Commission Key Laboratory of Birth Defects Prevention, Henan Key Laboratory of Population Defects Prevention, Zhengzhou, China.
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45
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Ray A, Bhati T, Arora R, Rastogi S. Progesterone-mediated immunoregulation of cytokine signaling by miRNA-133a and 101-3p in Chlamydia trachomatis-associated recurrent spontaneous abortion. Mol Immunol 2023; 164:47-57. [PMID: 37952361 DOI: 10.1016/j.molimm.2023.10.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/26/2023] [Accepted: 10/27/2023] [Indexed: 11/14/2023]
Abstract
miRNAs regulate the expression of various genes involved in cellular and metabolic pathways in pregnancy related complications including recurrent spontaneous abortion (RSA). Modulation of progesterone and associated pro-inflammatory cytokines by miRNAs in Chlamydia trachomatis-associated RSA is still under investigation. Present study aimed to evaluate the expression/correlation of serum-circulating miRNAs-133a, 101-3p, 320b, 146b-5p, 24, 559, progesterone and few cytokines in C. trachomatis-positive spontaneous aborters. Non-heparinized blood and urine was collected from 120 patients with history of RSA (Group I) and 120 patients with ≥ 2 successful deliveries (Group II) attending Department of Obstetrics and Gynecology, Safdarjung hospital, New Delhi, India. C. trachomatis detection was performed by PCR and chlamydial load by real time PCR. Progesterone concentration was estimated by ELISA. miRNAs and cytokine expression was studied by quantitative real-time PCR and correlated with progesterone expression. Twenty six patients were found to be positive for C. trachomatis. miRNAs- 133a, 101-3p showed maximum upregulation in infected versus control patients. miRNA expression showed positive correlation with chlamydial load. Progesterone concentration showed significant decrease while cytokines (IL-6, IFN-γ, TNF-α) were significantly upregulated in C. trachomatis-positive patients. Positive correlation was observed between expression of miRNAs-133a and 101-3p and cytokines while negative correlation was observed with progesterone in infected RSA patients. Correlation between progesterone and cytokines was found to be significantly negative in infected RSA patients. Although further validation is required, the study concludes that miR-133a and 101-3p are of clinical importance and have a role in immunoregulation of progesterone and cytokines in infection associated RSA.
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Affiliation(s)
- Ankita Ray
- Molecular Microbiology Laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung Hospital campus, Post Box no. 4909, New Delhi 110029, India
| | - Tanu Bhati
- Molecular Microbiology Laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung Hospital campus, Post Box no. 4909, New Delhi 110029, India
| | - Renu Arora
- Department of Obstetrics and Gynecology, Vardhman Mahavir Medical College (VMMC) and Safdarjung Hospital, New Delhi 110029, India
| | - Sangita Rastogi
- Molecular Microbiology Laboratory, ICMR-National Institute of Pathology, Sriramachari Bhawan, Safdarjung Hospital campus, Post Box no. 4909, New Delhi 110029, India.
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Keleş ID, Günel T, Özgör BY, Ülgen E, Gümüşoğlu E, Hosseini MK, Sezerman U, Buyru F, Yeh J, Baştu E. Gene pathway analysis of the endometrium at the start of the window of implantation in women with unexplained infertility and unexplained recurrent pregnancy loss: is unexplained recurrent pregnancy loss a subset of unexplained infertility? HUM FERTIL 2023; 26:1129-1141. [PMID: 36369952 DOI: 10.1080/14647273.2022.2143299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 06/05/2022] [Indexed: 11/14/2022]
Abstract
This study aims to understand differences/similarities in the genetic profile of the endometrium at the start of window of implantation (WOI) in women with unexplained infertility (UI) and unexplained recurrent pregnancy loss (uRPL). Differentially expressed genes (DEGs) from the endometrium were evaluated using gene expression array and pathway enrichment analysis was performed to analyse gene expression pathways involved in both conditions. We found 2,171 genes arranged in 117 pathways and 730 genes arranged in 33 pathways differentially expressed in endometrium of patients in UI and uRPL, respectively. Complement-coagulation cascades, morphine addiction pathway, and PI3K-Akt signalling pathway were predominantly differentially expressed in UI. Cancer pathways, NF-κB signalling pathway, and actin cytoskeleton regulation pathway showed significant changes in uRPL. Forty-eight percent of DEGs and 84% of differentially expressed pathways in uRPL were found in the endometrium of UI patients. Unexpected close association in gene expression pathways between UI and uRPL is observed supporting the hypothesis 'uRPL is a clinical subset of UI'. Yet 100% DEGs overlap wasn't found suggesting the endometrium has still some different gene expression patterns at start of WOI in UI and uRPL. Lastly, diagnostic tools may be developed for uRPL because more specific genes-pathways are involved compared with UI, which shows broader genetic expression profile.
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Affiliation(s)
- Irem Demiral Keleş
- Department of Obstetrics and Gynecology, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Tuba Günel
- Department of Molecular Biology and Genetics, Istanbul University, Istanbul, Turkey
| | - Bahar Yüksel Özgör
- Department of Obstetrics and Gynecology, Istanbul University Istanbul Faculty of Medicine, Istanbul, Turkey
| | - Ege Ülgen
- Department of Biostatistics and Medical Informatics, Acibadem University School of Medicine, Istanbul, Turkey
| | - Ece Gümüşoğlu
- Department of Molecular Biology and Genetics, Istanbul University, Istanbul, Turkey
| | | | - Uğur Sezerman
- Department of Biostatistics and Medical Informatics, Acibadem University School of Medicine, Istanbul, Turkey
| | - Faruk Buyru
- Department of Obstetrics and Gynecology, Acibadem University School of Medicine, Istanbul, Turkey
| | - John Yeh
- Department of Obstetrics and Gynecology, UMass Memorial Medical Center, Worcester, MA, USA
| | - Ercan Baştu
- Department of Obstetrics and Gynecology, Acibadem University School of Medicine, Istanbul, Turkey
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Thapliyal A, Tomar AK, Chandra KB, Naglot S, Dhiman S, Singh N, Sharma JB, Yadav S. Differential Sperm Proteomics Reveals the Significance of Fatty Acid Synthase and Clusterin in Idiopathic Recurrent Pregnancy Loss. Reprod Sci 2023; 30:3456-3468. [PMID: 37378824 DOI: 10.1007/s43032-023-01288-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 06/22/2023] [Indexed: 06/29/2023]
Abstract
Recurrent pregnancy loss (RPL) is a pervasive health issue affecting a large number of couples globally, which leads to increased emotional and financial strain on the affected families. While female factors have been extensively studied and are well known, the contribution of male factors to RPL remains largely unknown. As high as 40% of RPL cases are unexplained, which are termed as idiopathic RPL (iRPL), necessitating the investigation of male factors. The role of spermatozoa in early embryonic development is now well established, and recent research studies have shown that oxidative stress and DNA fragmentation in sperm cells are linked to RPL. The aim of this study was to identify proteomic markers of iRPL in human spermatozoa using tandem mass spectrometry. A label-free method quantified a total of 1820 proteins, and statistical analysis identified 359 differentially expressed proteins, the majority of which were downregulated in iRPL samples (344). Bioinformatics analysis revealed that proteomic alterations were mainly associated with biological processes such as response to stress, protein folding, chromatin organization, DNA conformation change, oxidative phosphorylation, and electron transport chain. In coherence with past studies, we determined fatty acid synthase (FASN) and clusterin (CLU) to be the most potential sperm markers for iRPL and confirmed their expression changes in iRPL by western blotting. Conclusively, we believe that FASN and CLU might serve as potential markers of iRPL and suggest exploratory functional studies to identify their specific role in pregnancy loss.
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Affiliation(s)
- Ayushi Thapliyal
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Anil Kumar Tomar
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Kumari Binita Chandra
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Sarla Naglot
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029, India
- Medical Device and Diagnostics Mission Secretariat (MDMS), ICMR, New Delhi, 110029, India
| | - Soniya Dhiman
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Neeta Singh
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Jai Bhagwan Sharma
- Department of Obstetrics and Gynaecology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Savita Yadav
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, 110029, India.
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48
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Wang Z, Dai F, Liu H, Cheng Y. Recognition of the Subtypes Classification and Diagnostic Signature Based on RNA N6-Methyladenosine Regulators in Recurrent Spontaneous Abortion. Reprod Sci 2023; 30:3537-3547. [PMID: 37488406 DOI: 10.1007/s43032-023-01271-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 05/09/2023] [Indexed: 07/26/2023]
Abstract
Recurrent spontaneous abortion (RSA) is a common reproductive disease in female patients that seriously affects the quality of life of patients. N6-methyladenosine (m6A), as the most common modification, plays an important role in various biological behaviors; however, the relationship between m6A and RSA is still unknown. In the present study, we utilized RNA sequencing data and clinical information of RSA patients and normal women in the GEO database to identify the expression profiles of m6A regulators in RSA. Based on the m6A regulators' expression profiles, we constructed a random forest model consisting of 4 genes to predict the prevalence of RSA patients, including FMR1, METTL14, LRPPRC, and RBMX. The predictive performance of the nomogram was constructed and validated. Not only that, consensus clustering was performed to divide RSA patients into 3 clusters based on the expression of m6A regulators and calculated the m6A scores and immune infiltration of patients in different clusters. It was found that the TH1-type immune response was dominant in the A cluster, the B-type immune activity was poor, and the C cluster was the strongest. In addition, on the basis of m6A typing, we further used the differentially expressed genes between clusters to perform consensus clustering verification, and the results were consistent with the previous findings. In conclusion, the m6A regulators played an indispensable role in the occurrence of RSA, and the m6A-based typing could effectively identify the immune characteristics of different RSA patients to a certain extent, providing a new direction and strategy for the diagnosis and treatment of RSA patients.
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Affiliation(s)
- Zitao Wang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Fangfang Dai
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Hua Liu
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Yanxiang Cheng
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
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Chen X, Song QL, Wang JY, Ji R, Cao ML, Guo DY, Zhang Y, Yang J. FKBP5 regulates trophoblast-macrophage crosstalk in recurrent spontaneous abortion through PI3K/AKT and NF-κB signaling pathways. Free Radic Biol Med 2023; 209:55-69. [PMID: 37827456 DOI: 10.1016/j.freeradbiomed.2023.10.380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 09/23/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
FK506-binding protein 5 (FKBP5) contributes to many diseases; However, it remains unclear whether FKBP5 is relevant to recurrent spontaneous abortion (RSA) and the mechanisms by which it is involved in maternal-fetal immunological tolerance. Placental tissue was collected in women with normal pregnancy and RSA and examined for FKBP5 expression. Human trophoblast cell lines and THP-1-derived M0 macrophages were used to explore the role of FKBP5 in RSA and its mechanism. The role of FKBP5 on pregnancy outcomes was assessed using a mouse model of miscarriage. This study found that upregulation of FKBP5 at the placental interface is involved in the pathogenesis of RSA by depressing trophoblast function and promoting M1-type macrophage polarization. First, FKBP5 expression was upregulated in the villi of RSA, and FKBP5 regulated trophoblast function by inhibiting HAPLN1 expression through suppression of PI3K/AKT signaling. In addition, FKBP5 inhibited trophoblast IL-6 secretion by suppressing PI3K/AKT signaling, thereby promoting macrophage polarization toward the M1 phenotype. Meanwhile, FKBP5 was significantly elevated in decidual macrophages from patients with RSA and promoted M1 macrophage polarization via ROS/NF-κB signaling and further inhibited trophoblast function. Finally, FKBP5 inhibitors improved embryo resorption rate in miscarried mice. In conclusion, FKBP5 is essential in maintaining pregnancy and trophoblast-macrophage crosstalk in the maternal-fetal interface, which may be a potential target for diagnosing and treating RSA.
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Affiliation(s)
- Xin Chen
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, Hubei, China
| | - Qian Lin Song
- Department of Urology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Jia Yu Wang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, Hubei, China
| | - Rui Ji
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, Hubei, China
| | - Ming Liang Cao
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Duan Ying Guo
- Longgang District People's Hospital of Shenzhen, Shenzhen, China.
| | - Yan Zhang
- Department of Obstetrics and Gynecology, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Jing Yang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, Hubei, China.
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50
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Melo P, Dhillon-Smith R, Islam MA, Devall A, Coomarasamy A. Genetic causes of sporadic and recurrent miscarriage. Fertil Steril 2023; 120:940-944. [PMID: 37648143 DOI: 10.1016/j.fertnstert.2023.08.952] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 08/23/2023] [Indexed: 09/01/2023]
Abstract
Approximately 80% of miscarriages happen within the first 12 weeks of gestation. More than half of early losses result from genetic defects, usually presenting as abnormal chromosome numbers or gene rearrangements in the embryo. However, the impact of genetics on pregnancy loss goes well beyond embryonic aneuploidy. For example, the use of big data has recently led to the discovery of specific gene mutations that may be implicated in sporadic and recurrent miscarriages. Further, emerging data suggest that genetic factors play a role in conditions for which there is a causative association with recurrent pregnancy loss. Here, we summarize the evidence on the genetics of miscarriage and provide an overview of the diagnosis and prevention of genetic causes associated with sporadic and recurrent pregnancy loss.
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Affiliation(s)
- Pedro Melo
- Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, United Kingdom.
| | - Rima Dhillon-Smith
- Tommy's National Centre for Miscarriage Research, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom
| | - Md Asiful Islam
- WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom
| | - Adam Devall
- Tommy's National Centre for Miscarriage Research, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom
| | - Arri Coomarasamy
- Tommy's National Centre for Miscarriage Research, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom; WHO Collaborating Centre for Global Women's Health, Institute of Metabolism and Systems Research, College of Medical and Dental Sciences, University of Birmingham, Edgbaston, United Kingdom
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