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Latifimehr M, Rastegari AA, Zamani Z, Fard-Esfahani P, Nazari L. Association of histidine-rich glycoprotein C633T single nucleotide polymorphism and recurrent miscarriage in Iranian women. Mol Biol Rep 2024; 51:793. [PMID: 39001985 DOI: 10.1007/s11033-024-09758-1] [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: 05/06/2024] [Accepted: 06/25/2024] [Indexed: 07/15/2024]
Abstract
BACKGROUND Recurrent miscarriage (RM) is defined as the occurrence of at least two or three subsequent miscarriages within the 20th -24th weeks of pregnancy. The primary objective of this study was to investigate whether histidine-rich glycoprotein C633T single nucleotide polymorphism (HRG C633T SNP) statistically correlates with the occurrence of RM among Iranian women. METHODS AND RESULTS Blood samples from 200 women were taken at the outset of the study. Then, the blood samples of 100 women who had a record of RM (case group) were compared with the other 100 women's blood samples who had no record of RM (control group). Following DNA extraction, the polymorphism of histidine-rich glycoprotein C633T (HRG C633T) for every case was specified and all women were genotyped by the amplification-refractory mutation system (ARMS) method. The results of the study revealed that there was a statistically significant difference between T/T genotype (OR = 3.5, CI (1.39-8.77), p = 0.007), and C/T genotype (OR = 1.83, CI (0.99-3.37), p = 0.05) in the case and control groups. Also, a statistically significant association was observed in T allelic frequency in the RM participants compared to the control group (OR = 2.01, CI (1.31-3.09), p = 0.01). CONCLUSIONS The present study determined that there was a statistically significant relationship between HRG C633T SNP and increased RM regarding allelic and genotypical aspects. Moreover, it became apparent that women with homozygous T/T genotype were more susceptible 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
| | - 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
| | | | - Leila Nazari
- Department of Obstetrics and Gynecology Preventative Gynecology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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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 RESEARCH INTERNATIONAL 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] [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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Sun X, Jin J, Zhang YL, Ma Y, Zhang S, Tong X. Decreased histidine-rich glycoprotein and increased complement C4-B protein levels in follicular fluid predict the IVF outcomes of recurrent spontaneous abortion. Clin Proteomics 2022; 19:47. [PMID: 36528562 PMCID: PMC9758815 DOI: 10.1186/s12014-022-09383-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Recurrent spontaneous abortion (RSA) is a common and complicated pregnancy-related disease that lacks a suitable biomarker to predict its recrudescence. METHODS Tandem mass tag (TMT) analysis was conducted to obtain quantitative proteomic profiles in follicular fluid from patients with a history of RSA and from control group. ELISA validation of candidate differentially expressed proteins was conducted in a larger group of patients. RESULTS A total of 836 proteins were identified by TMT analysis; 51 were upregulated and 47 were downregulated in follicular fluid from cases of RSA versus control group. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis revealed several important pathways were enriched, involving a dysregulated immunoglobulin Fc receptor signaling pathway and overactivated complement cascade pathways. ELISA validated the differential expression of two proteins, histidine-rich globulin (HRG) and complement C4-B (C4B), which were downregulated and upregulated, respectively, in follicular fluid of patients with RSA. We performed receiver operating characteristic curve analysis of the ELISA results with the outcomes of current IVF cycles as classification variables. The area under the curve results for HRG alone, C4B alone and HRG-C4B combined were 0.785, 0.710 and 0.895, respectively. CONCLUSIONS TMT analysis identified 98 differentially expressed proteins in follicular fluid from patients with RSA, indicating follicle factors that act as early warning factors for the occurrence of RSA. Among them, HRG and C4B provide candidate markers to predict the clinical outcomes of IVF/ICSI cycles, and the potential for modeling an early detection system for RSA.
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Affiliation(s)
- Xiaohe Sun
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Jiamin Jin
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Yin-Li Zhang
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Yerong Ma
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Songying Zhang
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
| | - Xiaomei Tong
- grid.13402.340000 0004 1759 700XAssisted Reproduction Unit, Department of Obstetrics and Gynecology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, No. 3 East Qingchun Road, Hangzhou, 310000 China ,Key Laboratory of Reproductive Dysfunction Management of Zhejiang Province, Hangzhou, China
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Tao L, Wang X, Zhong Y, Liu Q, Xia Q, Chen S, He X, Di R, Chu M. Combined approaches identify known and novel genes associated with sheep litter size and non-seasonal breeding. Anim Genet 2021; 52:857-867. [PMID: 34494299 DOI: 10.1111/age.13138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/26/2021] [Indexed: 01/29/2023]
Abstract
Improvement of ewe reproduction is considerable by appropriately increasing litter size and sustaining non-seasonal breeding. However, their genetic makeups have not been entirely elucidated. Genome-wide analyses of 821 individuals were performed by combining three genomic approaches (genome-wide association study, XP-nSL, and runs of homozygosity). Consequently, 35 candidate genes including three domestication genes (TSHR, GTF2A1, and KITLG) were identified. Other than the FecB mutation at BMPR1B, we described a significant association of a missense mutation rs406686139 at seasonal lambing-associated TSHR gene with litter size. Some promising novel genes may be relevant for sheep reproduction by multitude biological processes, such as FETUB functioning in fertilization, HNRNPA1 in oogenesis, DCUN1D1 in spermatogenesis, and HRG in fertility outcome. The present study suggests that improvement of ewe reproduction is attributed to selective breeding, and casts light on the genetic basis and improvement of sheep reproduction.
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Affiliation(s)
- Lin Tao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Xiangyu Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Yingjie Zhong
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Qiuyue Liu
- Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Qing Xia
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Si Chen
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Xiaoyun He
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Ran Di
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Mingxing Chu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Ministry of Agriculture and Rural Affairs, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
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PlGF Immunological Impact during Pregnancy. Int J Mol Sci 2020; 21:ijms21228714. [PMID: 33218096 PMCID: PMC7698813 DOI: 10.3390/ijms21228714] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 12/12/2022] Open
Abstract
During pregnancy, the mother’s immune system has to tolerate the persistence of paternal alloantigens without affecting the anti-infectious immune response. Consequently, several mechanisms aimed at preventing allograft rejection, occur during a pregnancy. In fact, the early stages of pregnancy are characterized by the correct balance between inflammation and immune tolerance, in which proinflammatory cytokines contribute to both the remodeling of tissues and to neo-angiogenesis, thus, favoring the correct embryo implantation. In addition to the creation of a microenvironment able to support both immunological privilege and angiogenesis, the trophoblast invades normal tissues by sharing the same behavior of invasive tumors. Next, the activation of an immunosuppressive phase, characterized by an increase in the number of regulatory T (Treg) cells prevents excessive inflammation and avoids fetal immuno-mediated rejection. When these changes do not occur or occur incompletely, early pregnancy failure follows. All these events are characterized by an increase in different growth factors and cytokines, among which one of the most important is the angiogenic growth factor, namely placental growth factor (PlGF). PlGF is initially isolated from the human placenta. It is upregulated during both pregnancy and inflammation. In this review, we summarize current knowledge on the immunomodulatory effects of PlGF during pregnancy, warranting that both innate and adaptive immune cells properly support the early events of implantation and placental development. Furthermore, we highlight how an alteration of the immune response, associated with PlGF imbalance, can induce a hypertensive state and lead to the pre-eclampsia (PE).
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Elenis E, Skalkidou A, Skoog-Svanberg A, Sydsjö G, Stavreus-Evers A, Åkerud H. HRG C633T polymorphism and risk of gestational hypertensive disorders: a pilot study. BMC MEDICAL GENETICS 2018. [PMID: 29540166 PMCID: PMC5853153 DOI: 10.1186/s12881-018-0550-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Background Preeclampsia and gestational hypertensive disorders are thought to occur due to endothelial cell dysfunction and abnormal placentation, triggered by angiogenesis-related factors yet undetermined. The aim of this study was to investigate whether a genetic polymorphism (SNP) of Histidine-rich glycoprotein (HRG), HRG C633T SNP, is associated with gestational hypertensive disorders. Methods It was performed a nested case-control study from the BASIC Cohort of Uppsala University Hospital comprising 92 women diagnosed with gestational hypertensive disorders without other comorbidities and 200 women with full term uncomplicated pregnancies, all genotyped regarding HRG C633T SNP. Results The genetic analysis of the study sample showed that C/C genotype was more prevalent among controls. The presence of the T-allele showed a tendency towards an increased risk of gestational hypertensive disorders. After clustering the study participants based on their genotype, it was observed that the odds for gestational hypertensive disorders among heterozygous C/T or homozygous T/T carriers were higher compared to homozygous C/C carriers [OR 1.72, 95% CI (1.04–2.84)]. The association remained significant even after adjustment for maternal age, BMI and parity. Conclusions The HRG C633T genotype seems to be associated with gestational hypertensive disorders, and as part of a greater algorithm, might contribute in the future to the prediction of the individual susceptibility to the condition.
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Affiliation(s)
- Evangelia Elenis
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden.
| | - Alkistis Skalkidou
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Agneta Skoog-Svanberg
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Gunilla Sydsjö
- Obstetrics and gynaecology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden
| | - Anneli Stavreus-Evers
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
| | - Helena Åkerud
- Department of Women's and Children's Health, Uppsala University, -751 85, Uppsala, SE, Sweden
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Corrigendum. Acta Obstet Gynecol Scand 2016; 95:1450. [DOI: 10.1111/aogs.13049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Lindgren KE, Nordqvist S, Kårehed K, Sundström-Poromaa I, Åkerud H. The effect of a specific histidine-rich glycoprotein polymorphism on male infertility and semen parameters. Reprod Biomed Online 2016; 33:180-8. [DOI: 10.1016/j.rbmo.2016.05.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 05/07/2016] [Accepted: 05/10/2016] [Indexed: 12/27/2022]
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Xiang H, Liu S, Zong C, Li Z, Liu Y, Ma X, Cao Y. A single nucleotide polymorphism in the MTOR gene is associated with recurrent spontaneous abortion in the Chinese female population. Syst Biol Reprod Med 2015; 61:205-10. [PMID: 25848831 DOI: 10.3109/19396368.2014.977499] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recurrent spontaneous abortion (RSA) is a multi-factor disease. The mammalian target of the the rapamycin (MTOR) gene has been reported to be involved in mouse embryo development and regulates the proliferation of embryonic stem cells. Our study explored the relationship between the single nucleotide polymorphism (SNP) rs17027478 in the promoter region of MTOR gene and the development of RSA. A total of 306 patients with RSA and 127 healthy females as the controls were recruited in the case-control study. The predesigned TaqMan SNP Genotyping Assay was adopted to analyze the association between rs17027478 and the development of RSA. Quantitative real-time reverse transcription polymerase chain reaction and luciferase reporter assays were conducted to analyze the function of the variant. It was found that a significant association exists between the variant and the risk of RSA among the patients who experienced no less than three spontaneous abortions (p = 0.043). However, the significant difference disappeared among the total samples (p = 0.524). Furthermore, we observed lower MTOR mRNA levels in the blood of RSA patients compared with healthy females (p = 0.020). The luciferase reporter assay showed that the rs17027478A allele significantly reduced the luciferase activity (p = 0.029). The results demonstrated that the variant rs17027478 in the promoter region of MTOR might be a good candidate responsible for the pathogenesis of RSA. Abbreviations RSA recurrent spontaneous abortion MTOR mammalian target of rapamycin SNP single nucleotide polymorphism qRT-PCR quantitative real-time polymerase chain reaction URSA unexplained recurrent spontaneous abortion mTORC1 mTOR complex 1 ESC embryonic stem cells HKE-293 human embryonic kidney 293 cells HWE Hardy-Weinberg equilibrium ANOVA one-way analysis of variance.
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Zamah AM, Hassis ME, Albertolle ME, Williams KE. Proteomic analysis of human follicular fluid from fertile women. Clin Proteomics 2015; 12:5. [PMID: 25838815 PMCID: PMC4357057 DOI: 10.1186/s12014-015-9077-6] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 02/09/2015] [Indexed: 01/08/2023] Open
Abstract
Background Follicular fluid is a unique biological fluid in which the critical events of oocyte and follicular maturation and somatic cell-germ cell communication occur. Because of the intimate proximity of follicular fluid to the maturing oocyte, this fluid provides a unique window into the processes occurring during follicular maturation. A thorough identification of the specific components within follicular fluid may provide a better understanding of intrafollicular signaling, as well as reveal potential biomarkers of oocyte health for women undergoing assisted reproductive treatment. In this study, we used high and low pH HPLC peptide separations followed by mass spectrometry to perform a comprehensive proteomic analysis of human follicular fluid from healthy ovum donors. Next, using samples from a second set of patients, an isobaric mass tagging strategy for quantitative analysis was used to identify proteins with altered abundances after hCG treatment. Results A total of 742 follicular fluid proteins were identified in healthy ovum donors, including 413 that have not been previously reported. The proteins belong to diverse functional groups including insulin growth factor and insulin growth factor binding protein families, growth factor and related proteins, receptor signaling, defense/immunity, anti-apoptotic proteins, matrix metalloprotease related proteins, and complement activity. In a quantitative analysis, follicular fluid samples from age-matched women undergoing in vitro fertilization oocyte retrieval were compared and 17 follicular fluid proteins were found at significantly altered levels (p < 0.05) between pre-hCG and post-hCG samples. These proteins belong to a variety of functional processes, including protease inhibition, inflammation, and cell adhesion. Conclusions This database of FF proteins significantly extends the known protein components present during the peri-ovulatory period and provides a useful basis for future studies comparing follicular fluid proteomes in various fertility, disease, and environmental exposure conditions. We identified 17 differentially expressed proteins after hCG treatment and together these data showed the feasibility for defining biomarkers that illuminate how the ovarian follicle microenvironment is altered in various infertility-related conditions. Electronic supplementary material The online version of this article (doi:10.1186/s12014-015-9077-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alberuni M Zamah
- Department of Obstetrics and Gynecology, Division of Reproductive Endocrinology and Infertility, University of Illinois at Chicago College of Medicine, Chicago, IL 60612 USA
| | - Maria E Hassis
- Sandler-Moore Mass Spectrometry Core Facility, University of California at San Francisco, San Francisco, CA 94143 USA
| | - Matthew E Albertolle
- Sandler-Moore Mass Spectrometry Core Facility, University of California at San Francisco, San Francisco, CA 94143 USA
| | - Katherine E Williams
- Sandler-Moore Mass Spectrometry Core Facility, University of California at San Francisco, San Francisco, CA 94143 USA ; Center for Reproductive Sciences and the Department of Obstetrics and Gynecology, University of California at San Francisco, San Francisco, CA 94143 USA
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Nordqvist S, Kårehed K, Skoog Svanberg A, Menezes J, Åkerud H. Ovarian response is affected by a specific histidine-rich glycoprotein polymorphism: a preliminary study. Reprod Biomed Online 2014; 30:74-81. [PMID: 25456162 DOI: 10.1016/j.rbmo.2014.09.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2014] [Revised: 09/23/2014] [Accepted: 09/24/2014] [Indexed: 12/13/2022]
Abstract
Genetic polymorphisms involved in angiogenesis, apoptosis and chemokine signalling are associated with varying ovarian response and oocyte quality. The protein, histidine-rich glycoprotein (HRG), is involved in these processes, but its effect on ovarian response in IVF has not been previously studied. A single nucleotide polymorphism (SNP) in the HRG gene (C633T) seems to affect pregnancy results in IVF. Women with the C/C genotype had higher pregnancy rates, C/T had moderate rates and none of those in the T/T group conceived. The aim of this study was to investigate if the HRG C633T SNP affects ovarian response. The HRG C633T SNP genotype of 67 women with unexplained infertility undergoing IVF was analysed and related to medical data. The T/T genotype obtained fewer oocytes, including mature oocytes, despite higher dosages of FSH administered. Additionally, the highest proportion of women who had exclusively poor-quality embryos was in the T/T group. No differences in demographic factors known to affect these parameters were found. The results suggest that the HRG C633T SNP influences ovarian response. Further studies of this SNP may increase knowledge about the biological processes involved in oocyte development and, furthermore, improve predicted ovarian response and fertilization.
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Affiliation(s)
- Sarah Nordqvist
- Department of Women's and Children's Health, Uppsala University, SE-751 85 Uppsala, Sweden.
| | - Karin Kårehed
- Department of Women's and Children's Health, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Agneta Skoog Svanberg
- Department of Women's and Children's Health, Uppsala University, SE-751 85 Uppsala, Sweden
| | - Judith Menezes
- Fertilitetscentrum Stockholm, Storängsvägen 10, SE-115 42 Stockholm, Sweden
| | - Helena Åkerud
- Department of Women's and Children's Health, Uppsala University, SE-751 85 Uppsala, Sweden
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Elenis E, Lindgren KE, Karypidis H, Skalkidou A, Hosseini F, Bremme K, Landgren BM, Skjöldebrand-Sparre L, Stavreus-Evers A, Sundström-Poromaa I, Åkerud H. The histidine-rich glycoprotein A1042G polymorphism and recurrent miscarriage: a pilot study. Reprod Biol Endocrinol 2014; 12:70. [PMID: 25064236 PMCID: PMC4118256 DOI: 10.1186/1477-7827-12-70] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2014] [Accepted: 07/18/2014] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Histidine-rich glycoprotein (HRG) has previously been shown to have an impact on implantation and fertility. The aim of this study was to investigate if there is an association between the HRG A1042G single nucleotide polymorphism (SNP) and recurrent miscarriage. METHODS The study was designed as a case-control study and the women were included at University Hospitals in Sweden. 186 cases with recurrent miscarriage were compared with 380 pregnant controls with no history of miscarriage. Each woman was genotyped for the HRG A1042G SNP. RESULTS The results indicated that the frequency of heterozygous HRG A1042G carriers was higher among controls compared to cases (34.7% vs 26.3%; p<0.05). In a bivariate regression analysis, a negative association was found between recurrent miscarriage and heterozygous A/G carriers both in the entire study population (OR 0.67, 95% CI 0.45 - 0.99; p<0.05) as well as in a subgroup of women with primary recurrent miscarriage (OR 0.37, 95% CI 0.16 - 0.84; p<0.05). These results remained even after adjustment for known confounders such as age, BMI and thyroid disease (OR 0.36, 95% CI 0.15 - 0.84; p<0.05). CONCLUSIONS Women who are heterozygous carriers of the HRG A1042G SNP suffer from recurrent miscarriage more seldom than homozygous carriers. Thus, analysis of the HRG A1042G SNP might be of importance for individual counseling regarding miscarriage.
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Affiliation(s)
- Evangelia Elenis
- Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
- Centre for Clinical Research, Värmland County Council, Karlstad, Sweden
| | - Karin E Lindgren
- Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
| | - Helena Karypidis
- Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
| | - Alkistis Skalkidou
- Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
| | - Frida Hosseini
- Department of Clinical Sciences, Division of Obstetrics and Gynaecology, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | - Katarina Bremme
- Department of Women’s and Children’s Health, Karolinska Institutet, Stockholm, Sweden
| | - Britt-Marie Landgren
- Department of Clinical Sciences, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital Huddinge, Stockholm, Sweden
| | - Lottie Skjöldebrand-Sparre
- Department of Clinical Sciences, Division of Obstetrics and Gynaecology, Karolinska Institutet, Danderyd Hospital, Stockholm, Sweden
| | | | | | - Helena Åkerud
- Department of Women’s and Children’s Health, Uppsala University, Uppsala, Sweden
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