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Khattak H, Aleem Husain S, Baker D, Greer I. Use of anticoagulants to improve pregnancy outcomes in couples positive for M2 haplotype: A systematic review. Eur J Obstet Gynecol Reprod Biol 2024; 296:179-184. [PMID: 38452530 DOI: 10.1016/j.ejogrb.2024.02.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 02/03/2024] [Accepted: 02/20/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Placental mediated pregnancy complications (PMPC) are common, often recurring, and pose a significant health risk to mother and fetus. Evidence suggests that the hypercoagulable state associated with many PMPC, could reflect reduced expression of Annexin 5 (ANXA5), a naturally occurring anticoagulant protein in placental tissue. The ANXA5 M2 haplotype is a genetic variant, which results in reduced expression of ANXA5 protein. M2 haplotype carrier couples may therefore be at increased risk of PMPC. Evidence regarding the effectiveness of anticoagulation to prevent PMPC is inconsistent. Furthermore, studies have not selected or stratified for M2 haplotype carriers, in whom there is a predisposition to hypercoagulability, to assess the effectiveness of anticoagulation, which may vary from those without the M2 haplotype. OBJECTIVES AND RATIONALE The aim of this study was to systematically review the current evidence to assess whether anticoagulant treatment improves pregnancy outcomes in couples positive for M2 haplotype. SEARCH METHODS The review was registered on PROSPERO (CRD42022343943). A comprehensive literature search was performed using MEDLINE, Embase and Cochrane collaboration databases from inception to January 2023. Two reviewers assessed the articles for eligibility and extracted the data simultaneously. Primary outcome was successful pregnancy and live birth. Secondary outcomes included PMPC (implantation failure, miscarriage, pre-eclampsia, preterm birth and fetal growth restriction). OUTCOMES From a pool of 410 references, 10 were selected for full text review, of which three studies (a post hoc analysis of a randomised controlled trial, cohort study and a case report) were included in this review. Included studies comprised of 223 individuals, 129 of whom who received anticoagulation treatment after testing positive for M2 haplotype. The studies collectively showed an improvement in pregnancy outcomes in M2 haplotype positive individuals however, given the heterogeneity of studies, it was not possible to conduct a meta-analysis and draw firm conclusions. WIDER IMPLICATIONS Current evidence is limited, such that the value of screening couples for the M2 haplotype to select or stratify for treatment with prophylactic anticoagulation remains unknown. Thus, further studies including well designed, large, multi-centre randomised controlled trials are required to assess whether anticoagulation treatment will be effective in improving pregnancy outcomes in M2 haplotype couples.
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Affiliation(s)
- Hajra Khattak
- WHO Collaborating Centre for Women's Health, Institute of Translational Medicine, University of Birmingham, Mindelsohn Way, Edgbaston, Birmingham B15 2TH, UK; Elizabeth Garrett Anderson Institute for Women's Health, University College, London, UK.
| | - Syed Aleem Husain
- Sandwell and West Birmingham NHS Trust, Dudley Rd, Birmingham B18 7QH, UK
| | - Deborah Baker
- IHG Pharmaco Ltd, 20-22 Wenlock Road, London N17GU, UK
| | - Ian Greer
- Queen's University Belfast, University Road, Belfast BT7 1NN, Northern Ireland, UK
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Li Q, Gong M, Shen J, Jin X, Mu Y, Xia L, Cheng J, Xia Y. The transcriptome expression levels related to ovulation induction and acupuncture protection therapy in rats through gene microarray. ALL LIFE 2022. [DOI: 10.1080/26895293.2022.2117245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Affiliation(s)
- Qian Li
- Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Meirong Gong
- Key Laboratory of Acupuncture and Medicine Research of Minister of Education, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Jie Shen
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Xun Jin
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Yanyun Mu
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Liangjun Xia
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Jie Cheng
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
| | - Youbing Xia
- College of Acupuncture and Tuina, Nanjing University of Chinese Medicine, Nanjing, People’s Republic of China
- The Affiliated Hospital, School of medical information & engineering of Xuzhou Medical University, Xuzhou, People’s Republic of China
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Peng L, Yang W, Deng X, Bao S. Research progress on ANXA5 in recurrent pregnancy loss. J Reprod Immunol 2022; 153:103679. [PMID: 35964539 DOI: 10.1016/j.jri.2022.103679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/06/2022] [Accepted: 07/26/2022] [Indexed: 10/15/2022]
Abstract
The incidence of recurrent pregnancy loss (RPL) in fertile women ranges from 1% to 5%, of which about 50% of them are due to unknown causes. The possible pathogenesis of RPL is an urgent problem to be solved in the clinical. Mutations or polymorphisms of certain genes in the coagulation mechanism are associated with susceptibility to thrombotic diseases and are one of the main reasons for the occurrence of RPL. Among them, the ANXA5 gene was newly studied and some single nucleotide polymorphisms (SNPs) in the promoter region of ANXA5 have been reported to be associated with RPL in multiple races. In this review, we summarized the research progress on the correlation between the SNPs in ANXA5 and RPL, hoping to provide some valuable guidance for the future studies.
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Affiliation(s)
- Liying Peng
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China; Shanghai Key Laboratory of Maternal and Fetal Medicine, Shanghai First Maternity & Infant Hospital, Shanghai 201204, China
| | - Wanli Yang
- Department of Medical Genetics, The First Rehabilitation Hospital of Shanghai, School of Medicine, Tongji University, Shanghai 200092, China
| | - Xujing Deng
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China; Shanghai Key Laboratory of Maternal and Fetal Medicine, Shanghai First Maternity & Infant Hospital, Shanghai 201204, China
| | - Shihua Bao
- Department of Reproductive Immunology, Shanghai First Maternity and Infant Hospital, School of Medicine, Tongji University, Shanghai 200092, China; Shanghai Key Laboratory of Maternal and Fetal Medicine, Shanghai First Maternity & Infant Hospital, Shanghai 201204, China.
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Liu J, Gu Y, Zhu W, Zhang Z, Xin Y, Shen Y, He L, Du J. Expression profiles of circular RNA in human placental villus and decidua and prediction of drugs for recurrent spontaneous abortion. Am J Reprod Immunol 2022; 88:e13578. [PMID: 35583158 DOI: 10.1111/aji.13578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/27/2022] [Accepted: 05/13/2022] [Indexed: 11/29/2022] Open
Abstract
PROBLEM We aimed to evaluate potential biomarkers and candidate drugs for recurrent spontaneous abortion (RSA) and explore functional circular RNA pathways involved in regulating RSA. METHOD OF STUDY Expression profiles of placental villus and decidua samples derived from females with RSA and those with healthy pregnancies who underwent induced abortion were analyzed using high-throughput RNA whole transcriptome sequencing. Abnormally expressed circular RNAs in a larger cohort of samples were validated using real-time quantitative polymerase chain reaction. Drug discovery and molecular docking were performed using online databases and the Autodock tool, respectively. RESULTS In total, 2103 and 2160 circular RNAs were detected in three pairs of villi and three pairs of decidual tissues, respectively. A total of 22 circular RNAs, 58 miRNAs, and 393 mRNAs with significantly different expression patterns were identified. Five circular RNAs were verified, and the expression of hsa_circ_0088485 was significantly upregulated in the RSA group (P = .041) with a high area under the curve value (.727), sensitivity (76.5%), and specificity (64.7%). GO and KEGG enrichment analyses indicated that differentially expressed genes were associated with angiogenesis and cell adhesion. Drug discovery and molecular docking were analyzed based on 93 differentially expressed mRNAs of the ceRNA network. A total of 36 chemicals were identified as putative bioactive molecules for RSA, and one representative chemical was identified for docking with six proteins. CONCLUSIONS These findings provide novel insights into the mechanism of regulation of RSA by circular RNA and its clinical diagnosis and treatment.
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Affiliation(s)
- Junwei Liu
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), School of Pharmacy, Fudan University, Shanghai, China
| | - Yan Gu
- The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Weiqiang Zhu
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), School of Pharmacy, Fudan University, Shanghai, China
| | - Zhaofeng Zhang
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), School of Pharmacy, Fudan University, Shanghai, China
| | - Yawei Xin
- The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Yupei Shen
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), School of Pharmacy, Fudan University, Shanghai, China
| | - Lin He
- Bio-X Center, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders, Ministry of Education, Shanghai Jiao Tong University, Shanghai, China
| | - Jing Du
- NHC Key Lab of Reproduction Regulation (Shanghai Institute for Biomedical and Pharmaceutical Technologies), School of Pharmacy, Fudan University, Shanghai, China
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Rana B, Zimmerman R, Marin D, Xu J, Messick E, Fishel S, Treff N. A novel test for annexin A5 M2 haplotyping in in vitro fertilization patients and preimplantation embryos. F&S SCIENCE 2021; 2:278-286. [PMID: 35560278 DOI: 10.1016/j.xfss.2021.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/26/2021] [Accepted: 06/03/2021] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To develop a test for evaluating the annexin A5 M2 haplotype in in vitro fertilization patients and preimplantation embryos. DESIGN Test performance was measured by comparing Sanger sequencing of parental blood DNA and quantitative real-time polymerase chain reaction (qPCR) of saliva DNA, 3 fibroblast cell line 7-cell aliquots and their corresponding purified DNA, 123 trophectoderm biopsy samples, and DNA isolated from 1 embryonic stem cell line along with the Mendelian inheritance expectations, embryo Sanger sequencing, and single-nucleotide polymorphism (SNP) microarray-based linkage analysis. SETTING Preimplantation genetic testing laboratory research on IVF patient and embryo DNA. PATIENT(S) An assay was developed for the detection of the M2 haplotype on saliva samples of 6 in vitro fertilization patients. In addition, 13 patients who underwent preimplantation genetic testing with data on parental and embryo biopsy DNA available for research use were evaluated. INTERVENTION(S) None. MAIN OUTCOME MEASURE(S) The concordance rates between Sanger sequencing, SNP array-based linkage analysis, and Mendelian inheritance expectations with qPCR. RESULT(S) The concordance rate between Sanger sequencing and qPCR was 100% on parental blood DNA and saliva DNA. The sample concordance rate between all replicates of 7-cell aliquots was 100%. The sample concordance rate between 3 cell lines used to prepare 7-cell aliquots and purified genomic DNA was 100%. The concordance rate between qPCR and Sanger sequencing results from a single trophectoderm biopsy and isolated embryonic stem cell line was 100%. The concordance rate of trophectoderm biopsy qPCR results and expectations from Mendelian inheritance rules was 97%; however, when SNP array-based linkage analysis was included, the concordance rate reached 100%. CONCLUSION(S) This study resulted in the development of a convenient saliva collection method and qPCR-based genotyping method to screen for the M2 haplotype. In addition, a novel method for testing preimplantation embryos has been established, providing an alternative to the use of low molecular weight heparin, through selection of embryos without the M2 haplotype.
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Affiliation(s)
- Bhavini Rana
- Genomic Prediction Clinical Laboratory, North Brunswick, New Jersey; School of Graduate Studies, Microbiology and Molecular Genetics, Rutgers University, Piscataway, New Jersey.
| | | | - Diego Marin
- Genomic Prediction Clinical Laboratory, North Brunswick, New Jersey
| | - Jia Xu
- Genomic Prediction Clinical Laboratory, North Brunswick, New Jersey
| | - Edward Messick
- Genomic Prediction Clinical Laboratory, North Brunswick, New Jersey
| | - Simon Fishel
- Care Fertility Group, Nottingham, United Kingdom; School of Pharmacy and Biomolecular Sciences, Liverpool John Moore's University, Byrom Street, Liverpool, United Kingdom
| | - Nathan Treff
- Genomic Prediction Clinical Laboratory, North Brunswick, New Jersey; School of Graduate Studies, Microbiology and Molecular Genetics, Rutgers University, Piscataway, New Jersey
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Rogenhofer N, Markoff A, Ennerst X, Bogdanova N, Thaler C. Maternal and paternal carriage of the annexin A5 M2 haplotype: a possible risk factor for recurrent implantation failure (RIF). J Assist Reprod Genet 2020; 38:235-242. [PMID: 33231792 PMCID: PMC7822994 DOI: 10.1007/s10815-020-01978-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/30/2020] [Accepted: 10/12/2020] [Indexed: 02/04/2023] Open
Abstract
OBJECTIVE This study was carried out to determine the potential role of the M2/ANXA5 haplotype as a risk factor for recurrent implantation failure (RIF). Carriage of the M2/ANXA5 haplotype that induces prothrombotic changes has been implicated in failure of early pregnancies and placenta-mediated complications (preeclampsia, IUGR, preterm birth). MATERIAL AND METHODS In the present case control study, 63 couples (females and males) with RIF presenting for IVF/ICSI to the Fertility Center of [masked] were analyzed. RIF was defined as ≥ 4 consecutive failed ART-transfers of ≥ 4 blastocysts or ≥ 8 cleavage-stage embryos of optimal quality and maternal age ≤ 41. Fertile female controls (n = 90) were recruited from the same center. Population controls (n = 533) were drafted from the PopGen biobank, UKSH Kiel. RESULTS Couples carrying the M2/ANXA5 haplotype turned out to have a significantly increased relative risk (RR) for RIF. Compared with female fertile controls, RR was 1.81 with p = 0.037 (OR 2.1, 95%CI 1.0-4.3) and RR was 1.70, with p = 0.004 (OR 2.0, 95%CI 1.2-3.1) compared with population controls (15.4% M2 carriers). Male partners were comparable with RIF females for M2/ANXA5 haplotypes (28.6% vs. 23.8%, p = 0.54). RIF females compared with population controls had a RR of 1.55 (p = 0.09) and RIF males compared with population controls had a RR of 1.9 (p = 0.01). Couples with ≥ 7 failed transfers showed a RR of 1.82 (p = 0.02) compared with population controls. CONCLUSION Our findings suggest that maternal as well as paternal M2/ANXA5 haplotype carriages are risk factors for RIF. These results allow new insights into the pathogenesis of RIF and might help to identify relevant risk groups.
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Affiliation(s)
- Nina Rogenhofer
- Division of Gynecological Endocrinology and Reproductive Medicine, Department of Gynaecology and Obstetrics, University Hospital of the Ludwig-Maximilians-University, Marchioninistrasse 15, 81377, Munich, Germany.
| | - Arseni Markoff
- Institute of Human Genetics, UKM and WWU, Muenster, Germany
| | - Xenia Ennerst
- Division of Gynecological Endocrinology and Reproductive Medicine, Department of Gynaecology and Obstetrics, University Hospital of the Ludwig-Maximilians-University, Marchioninistrasse 15, 81377, Munich, Germany
| | | | - Christian Thaler
- Division of Gynecological Endocrinology and Reproductive Medicine, Department of Gynaecology and Obstetrics, University Hospital of the Ludwig-Maximilians-University, Marchioninistrasse 15, 81377, Munich, Germany
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Association between M2/ANXA5 haplotype and repeated pregnancy loss: a meta-analysis. Fertil Steril 2019; 111:971-981.e2. [PMID: 30922645 DOI: 10.1016/j.fertnstert.2019.01.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Revised: 01/08/2019] [Accepted: 01/08/2019] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To ascertain the magnitude and precision of the association between M2/ANXA5 haplotype and repeated pregnancy loss (RPL). DESIGN Meta-analysis of odds ratios. SETTING Not applicable. PATIENT(S) Subjects were women with RPL and their partners. INTERVENTION(S) Not applicable. MAIN OUTCOME MEASURE(S) The association between M2/ANXA5 haplotype and RPL was evaluated in a meta-analysis of odds ratios. We further scrutinized this association according to [1] the sequence of miscarriages, [2] the number of consecutive losses, [3] the extent of excluding other pathologies of RPL, and [4] the timing of fetal loss. RESULT(S) Fourteen individual studies (n = 4,664 subjects) were included in this meta-analysis. The results show that women with the M2/ANXA5 haplotype have 1.54 times (95% confidence interval, 1.08-2.20) the odds of having associated RPL compared with women with the normal haplotype, regardless of consecutive or nonconsecutive pregnancy losses. Acknowledging the clinical heterogeneity among the studies, this significant association comes with a caveat that the lower bound of the confidence interval is close to unity. In couple populations (n = 2,449), M2/ANXA5 haplotype subjects have an odds ratio of 1.48 (95% confidence interval, 1.14-1.91) of experiencing RPL, which suggests contributions from paternal M2/ANXA5 carriers in RPL. CONCLUSION(S) This meta-analysis ascertains that women with the M2/ANXA5 haplotype have a higher risk of experiencing RPL, especially consecutive early idiopathic RPL. Male partners with the M2/ANXA5 haplotype partly contribute to this risk. Hence, screening for the M2/ANXA5 haplotype as a panel of laboratory investigations for RPL is recommended.
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