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Stavros S, Panagopoulos P, Machairiotis N, Potiris A, Mavrogianni D, Sfakianakis A, Drakaki E, Christodoulaki C, Panagiotopoulos D, Sioutis D, Karampitsakos T, Antonakopoulos N, Christopoulos P, Drakakis P. Association between cytokine polymorphisms and recurrent pregnancy loss: A review of current evidence. Int J Gynaecol Obstet 2024; 167:45-57. [PMID: 38706379 DOI: 10.1002/ijgo.15575] [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: 12/16/2023] [Revised: 04/09/2024] [Accepted: 04/20/2024] [Indexed: 05/07/2024]
Abstract
Cytokines are a type of protein that play an important role in the immune response and can also affect many physiological processes in the body. Cytokine polymorphisms refer to genetic variations or mutations that occur within the genes that code for cytokines, which may affect the level of cytokine production and function. Some cytokine polymorphisms have been associated with an increased risk of developing certain diseases, while others may be protective or have no significant effect on health. In recent years, the role of cytokine polymorphisms in the development of recurrent pregnancy loss (RPL) has been studied. RPL or miscarriage is defined as the occurrence of two or more consecutive pregnancy losses before the 20th week of gestation. There are diverse causes leading to RPL, including genetic, anatomical, hormonal, and immunological factors. With regard to cytokine polymorphisms, a few of them have been found to be associated with an increased risk of RPL, for instance, variations in the genes that code for interleukin-6, tumor necrosis factor-alpha, and interleukin-10. The exact mechanisms by which cytokine polymorphisms affect the risk of recurrent miscarriage are still being studied, and further research is essential to fully understand this complex condition. This brief review aims to summarize the recent literature on the association between cytokine polymorphisms and RPL.
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Affiliation(s)
- Sofoklis Stavros
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Periklis Panagopoulos
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Machairiotis
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Anastasios Potiris
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Despoina Mavrogianni
- First Department of Obstetrics and Gynecology, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Eirini Drakaki
- First Department of Obstetrics and Gynecology, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Chrysi Christodoulaki
- Department of Obstetrics and Gynecology, Chania General Hospital "St. George", Chania, Greece
| | - Dimitrios Panagiotopoulos
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Dimos Sioutis
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Theodoros Karampitsakos
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Panagiotis Christopoulos
- Second Department of Obstetrics and Gynecology, University Hospital Aretaieion, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Peter Drakakis
- Third Department of Obstetrics and Gynecology, University General Hospital "ATTIKON", Medical School, National and Kapodistrian University of Athens, Athens, Greece
- First Department of Obstetrics and Gynecology, Alexandra Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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The Update Immune-Regulatory Role of Pro- and Anti-Inflammatory Cytokines in Recurrent Pregnancy Losses. Int J Mol Sci 2022; 24:ijms24010132. [PMID: 36613575 PMCID: PMC9820098 DOI: 10.3390/ijms24010132] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 12/12/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022] Open
Abstract
Recurrent pregnancy losses (RPL) is a common reproductive disorder with various underlying etiologies. In recent years, rapid progress has been made in exploring the immunological mechanisms for RPL. A propensity toward Th2 over Th1 and regulatory T (Treg) over Th17 immune responses may be advantageous for reproductive success. In women with RPL and animals prone to abortion, an inordinate expression of cytokines associated with implantation and early embryo development is present in the endometrium or decidua secreted from immune and non-immune cells. Hence, an adverse cytokine milieu at the maternal-fetal interface assaults immunological tolerance, leading to fetal rejection. Similar to T cells, NK cells can be categorized based on the characteristics of cytokines they secrete. Decidual NK (dNK) cells of RPL patients exhibited an increased NK1/NK2 ratio (IFN-γ/IL-4 producing NK cell ratios), leading to pro-inflammatory cytokine milieu and increased NK cell cytotoxicity. Genetic polymorphism may be the underlying etiologies for Th1 and Th17 propensity since it alters cytokine production. In addition, various hormones participate in cytokine regulations, including progesterone and estrogen, controlling cytokine balance in favor of the Th2 type. Consequently, the intricate regulation of cytokines and hormones may prevent the RPL of immune etiologies. Local or systemic administration of cytokines or their antagonists might help maintain adequate cytokine milieu, favoring Th2 over Th1 response or Treg over Th17 immune response in women with RPL. Herein, we provided an updated comprehensive review regarding the immune-regulatory role of pro- and anti-inflammatory cytokines in RPL. Understanding the roles of cytokines involved in RPL might significantly advance the early diagnosis, monitoring, and treatment of RPL.
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Harati-Sadegh M, Sargazi S, Taheri H, Arbabi N, Saravani R, Mirinejad S. Relationship between common interleukin 1-beta gene polymorphisms and the risk of gestational disorders: An updated meta-analysis. Med J Islam Repub Iran 2021; 35:25. [PMID: 34169037 PMCID: PMC8214042 DOI: 10.47176/mjiri.35.25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Indexed: 11/09/2022] Open
Abstract
Background: To quantitatively estimate the relationship between IL-1β -511C>T, -31T>C, and +3954C>T polymorphisms and risk of gestational disorders. Methods: In this meta-analysis, eligible publications were searched in Web of Knowledge, MEDLINE, PubMed, Scopus, and Google Scholar databases (updated April 2020), using appropriate or relevant keywords. Case-control population-based reports were included if provided with genotypic frequencies of both studied groups. Statistical analyses were performed using the MetaGenyo web tool software, where a P value less than 0.05 indicated a significant association. For the assessment of between-study variations, heterogeneity analysis was applied with the I2 statistics. Results: A total of thirteen studies were included. We observed a significant association between IL-1β-31T>C polymorphism and reduced risk of gestational disorders under codominant CT vs. CC [OR= 0.74, CI (0.59-0.92)], and dominant CT+TT vs. CC [OR= 0.74, CI (0.60-0.91)] contrasted genetic models. The stratified analysis considering the disease type showed that the 511C>T variant, under the recessive CC vs. CT+TT model, enhanced the risk of preterm birth by 1.29 fold. Conclusion: Our results failed to support an association between two IL-1β polymorphisms, 511C>T and +3954C>T, with the overall risk of gestational disorders. In contrast, the 31T>C variant reduced the incidence of such diseases. Further studies are encouraged to get more precise estimates of effect sizes.
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Affiliation(s)
- Mahdiyeh Harati-Sadegh
- Genetic of Non-Communicable Disease Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Saman Sargazi
- Cellular and Molecular Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hamed Taheri
- Cellular and Molecular Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Internal Medicine, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Narges Arbabi
- Infectious Diseases and Tropical Medicine Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Ramin Saravani
- Cellular and Molecular Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran.,Department of Clinical Biochemistry, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Resistant Tuberculosis Institute, Zahedan University of Medical Sciences, Zahedan, Iran
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Wang T, Lu N, Cui Y, Tian L. Polymorphisms in interleukin genes and their association with the risk of recurrent pregnancy loss. Genes Genet Syst 2019; 94:109-116. [PMID: 31270294 DOI: 10.1266/ggs.18-00051] [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] [Indexed: 11/23/2022] Open
Abstract
Interleukins play important roles in pregnancy. Altered expression and splicing of various interleukins have been linked to the pathophysiology of recurrent pregnancy loss. Polymorphisms in interleukin genes can affect the expression and/or splicing of their respective genes and thus influence the risk of recurrent pregnancy loss. In this work, we examined the association between the IL1B rs16944, IL1B rs1143634, IL6 rs1800795, IL6 rs1800796, IL10 rs1800896 and IL18 rs187238 polymorphisms and recurrent pregnancy loss risk in a Chinese population. Study subjects comprised 598 idiopathic recurrent pregnancy loss patients and 603 controls. The genotyping was accomplished by PCR-RFLP. Regression analysis was performed to evaluate the disease association. After adjustment by Bonferroni correction, only the IL1B rs16944 and IL6 rs1800796 polymorphisms were significantly associated with risk of recurrent pregnancy loss. The heterozygous TC genotype of IL1B rs16944 had an adjusted odds ratio (aOR) of 1.4209 (1.1302-1.8929) (P = 0.0019), while the homozygous CC genotype had an aOR of 1.7398 (1.2133-2.3203) (P = 0.0008). A significant association was also observed for the C allele [aOR = 1.3747 (1.1296-1.8972)] (P = 0.0003). For IL6 rs1800796, the heterozygous CG genotype, the homozygous GG genotype and the G allele had aORs of 0.7342 (0.4412-0.8423) (P = 0.0016), 0.5424 (0.1768-0.7865) (P = 0.0014) and 0.7009 (0.4511-0.8034) (P = 0.0007), respectively. In summary, the IL1B rs16944 and IL6 rs1800796 variants were associated with an increased and a decreased recurrent pregnancy loss risk, respectively.
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Affiliation(s)
- Ting Wang
- Center for Assisted Reproductive Technology, Northwest Women's and Children's Hospital
| | - Na Lu
- Center for Assisted Reproductive Technology, Northwest Women's and Children's Hospital
| | - Yajie Cui
- Department of Gynaecology and Obstetrics, Xi'an Fourth Hospital
| | - Li Tian
- Center for Assisted Reproductive Technology, Northwest Women's and Children's Hospital
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Ali Rahmani S, Paknejad Z, Mohammadkhanlou M, Daneshparvar M. Association of of IL-1 receptor antagonist (IL-1RN) and interleukin-1β genes (IL-1β) polymorphisms with recurrent pregnancy loss in Iranian Azeri women. Horm Mol Biol Clin Investig 2017; 33:/j/hmbci.ahead-of-print/hmbci-2017-0044/hmbci-2017-0044.xml. [PMID: 29281611 DOI: 10.1515/hmbci-2017-0044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2017] [Accepted: 08/30/2017] [Indexed: 11/15/2022]
Abstract
Objective One of the most important problems in human reproduction is recurrent pregnancy loss (RPL). RPL is defined as three or more consecutive abortions in the first trimester of pregnancy. The association between the polymorphisms in the immunological factors and RPL was investigated. The aim of our study was to determine the association of interleukin receptor antagonist (IL-IRN) and interleukin-1β (IL-1β) polymorphisms with RPL in Iranian Azeri women. Materials and methods The study participants consisted of 100 women with RPL of Iranian Azeri origin. The control group comprised 100 age- and ethnically-matched healthy women of the same reproductive age. Genomic DNA was extracted from the whole blood and genotype determinations were performed using polymerase chain reaction (PCR) amplification followed by restriction fragment length polymorphism (RFLP) analysis. Results Our results showed no significant relationship between IL-1RN polymorphism and RPL. The homozygous state in -857 C/T variant was seen to be higher in RPL patients than in control subjects. Also frequency of wild type genotype was lower in RPL patients than in controls. However, this associations was not significant. Conclusion This study suggested that -511 C/T (rs16944) and -31 C/T (rs1143627) polymorphisms in IL-1β gene may not be involved in RPL in Iranian Azeri women. Also the promoter polymorphism of the IL-1RN gene may not play a role in the susceptibility to RPL.
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Affiliation(s)
- Seyyed Ali Rahmani
- Department of Molecular Biology, Ahar Branch, Islamic Azad University, Ahar, Iran, Phone: +98-9121961050
| | - Zeynab Paknejad
- Department of Molecular Biology, Ahar Branch, Islamic Azad University, Ahar, Iran
| | | | - Marina Daneshparvar
- Department of Molecular Biology, Zanjan Branch, Islamic Azad University, Zanjan, Iran
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Hajizadeh YS, Emami E, Nottagh M, Amini Z, Maroufi NF, Azimian SH, Isazadeh A. Effects of interleukin-1 receptor antagonist (IL-1Ra) gene 86 bp VNTR polymorphism on recurrent pregnancy loss: a case-control study. Horm Mol Biol Clin Investig 2017; 30:/j/hmbci.ahead-of-print/hmbci-2017-0010/hmbci-2017-0010.xml. [DOI: 10.1515/hmbci-2017-0010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 04/12/2017] [Indexed: 11/15/2022]
Abstract
AbstractObjectiveRecurrent pregnancy loss (RPL) is a heterogeneous disease which is defined as two or more consecutive fetal losses during early pregnancy. Interleukin-1 receptor antagonist (Materials and methodsIn this case control study, genetic polymorphism was studied in 140 RPL patients and 140 healthy women as controls. Genomic DNA was extracted from the blood samples and polymorphism analysis was performed using the polymerase chain reaction (PCR) method. Finally, the data obtained were analyzed by statistical software.ResultsWe found an increased frequency of the IL-1Ra 1/1 genotype in the case group compared to the control group. Whereas, the frequency of IL-1Ra genotype 1/2 was higher in control group than in the case group. However, we did not observe an association betweenConclusionVNTR polymorphism may not be a genetic factor for RPL. However, investigation of
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Zhang M, Xu J, Bao X, Niu W, Wang L, Du L, Zhang N, Sun Y. Association between Genetic Polymorphisms in Interleukin Genes and Recurrent Pregnancy Loss - A Systematic Review and Meta-Analysis. PLoS One 2017; 12:e0169891. [PMID: 28103273 PMCID: PMC5245830 DOI: 10.1371/journal.pone.0169891] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Accepted: 12/22/2016] [Indexed: 11/19/2022] Open
Abstract
Interleukins are a group of immunomodulatory proteins that mediate a variety of immune reactions in the human body. To investigate the association between interleukin gene polymorphisms and recurrent pregnancy loss (RPL), we reviewed 21 studies from MEDLINE, EMBASE, OVID SP and PubMed to evaluate RPL-related interleukin gene polymorphisms. Meta-analysis was performed on 12 of the polymorphisms, and a review included the others. Our integrated results indicated that IL-1β (-511C/T) (P = 0.02, 95% CI 0.77[0.62,0.96]), IL-6 (-634C/G) (P<0.001, 95% CI 2.91[2.01,4.22]), IL-10 (-1082G/A, -819T/C) (P = 0.01, 95% CI 0.80[0.67,0.96]; P<0.01, 95% CI 0.66[0.49,0.89]), and IL-18 (-137G/C, -105G/A) (P<0.01, 95% CI 1.69[1.24,2.31]; P = <0.01, 95% CI 1.41[1.17,1.70]) consistently associated with RPL after meta-analysis. IL-17A rs2275913 and IL-17F rs763780, IL-21 rs2055979 and rs13143866, IL-1β (-31C/T), IL-6 (-2954G/C), and IL-10 (-536A/G) were reported only once as having a significant association with RPL. The potential mechanism underlying miscarriage and these polymorphisms and future research directions are also discussed.
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Affiliation(s)
- Meixiang Zhang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Jiawei Xu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Xiao Bao
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Wenbin Niu
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Linlin Wang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Linqing Du
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Nan Zhang
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
| | - Yingpu Sun
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, People’s Republic of China
- * E-mail:
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Yang Q, Wang W, Liu C, Wang Y, Sun K. Compartmentalized localization of 11β-HSD 1 and 2 at the feto-maternal interface in the first trimester of human pregnancy. Placenta 2016; 46:63-71. [PMID: 27697223 DOI: 10.1016/j.placenta.2016.08.079] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2016] [Revised: 08/10/2016] [Accepted: 08/19/2016] [Indexed: 01/08/2023]
Abstract
Glucocorticoids are engaged in a number of actions at the feto-maternal interface for the establishment of early pregnancy. However, excessive glucocorticoids can be deleterious to fetal development. Therefore, compartmentalized distribution of 11β-hydroxysteroid dehydrogenase 1 and 2 (11β-HSD1 and 2), which regenerates and inactivates cortisol respectively, would ensure an optimal cortisol concentration at the feto-maternal interface for the establishment of early gestation. However, the distribution pattern of 11β-HSD1 and 2 at the feto-maternal interface in early human pregnancy is not clearly defined. Here we showed that 11β-HSD1 distributed extensively on the maternal side including decidual stromal cells and epithelial cells but scarcely on the fetal side except for localization in the fetal blood vessels of the chorionic villi. In contrast, 11β-HSD2 was abundantly localized in syncytial layer of the chorionic villi and the decidual epithelium. In primary cultures, cortisol upregulated not only 11β-HSD1 expression in decidual stromal cells but also 11β-HSD2 expression in villous trophoblasts of early pregnancy. Further studies revealed that cortisol inhibited the expression of interleukin-1β and 6 in decidual stromal cells and villous trophoblasts, and stimulated expression of human chorionic gonadotropin in villous trophoblasts. Collectively, this study has revealed a compartmentalized distribution pattern of 11β-HSD 1 and 2 at the feto-maternal interface, both of which can be upregulated by glucocorticoids, suggesting that a coordinated interaction between 11β-HSD 1 and 2 may exist to ensure an optimal cortisol concentration at discrete locations at the feto-maternal interface for the establishment of early pregnancy.
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Affiliation(s)
- Qianlan Yang
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China; Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China
| | - Wangsheng Wang
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China; Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, PR China
| | - Chao Liu
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China; Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, PR China
| | - Yu Wang
- Department of Obstetrics and Gynecology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China.
| | - Kang Sun
- Center for Reproductive Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200135, PR China; Shanghai Key Laboratory for Assisted Reproduction and Reproductive Genetics, Shanghai, PR China.
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Effect of PFOS on glucocorticoid-induced changes in human decidual stromal cells in the first trimester of pregnancy. Reprod Toxicol 2016; 63:142-50. [DOI: 10.1016/j.reprotox.2016.06.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 05/24/2016] [Accepted: 06/06/2016] [Indexed: 11/19/2022]
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Monastra G, De Grazia S, Cilaker Micili S, Goker A, Unfer V. Immunomodulatory activities of alpha lipoic acid with a special focus on its efficacy in preventing miscarriage. Expert Opin Drug Deliv 2016; 13:1695-1708. [DOI: 10.1080/17425247.2016.1200556] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Giovanni Monastra
- Department of Experimental Medicine, University la Sapienza, Rome, Italy
| | - Sara De Grazia
- Department of Research and Development, LO.LI. Pharma, Rome, Italy
| | | | - Asli Goker
- Department of Obstetrics and Gynecology, Celal Bayar University, Manisa, Turkey
| | - Vittorio Unfer
- Department of Medical Sciences, UNIIPUS – Private Swiss University Institute, Chiasso, Switzerland
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Salimi S, Mohammadoo-Khorasani M, Mousavi M, Yaghmaei M, Mokhtari M, Farajian-Mashhadi F. Association of interleukin-1 receptor antagonist VNTR polymorphism and risk of pre-eclampsia in southeast Iranian population. J Obstet Gynaecol Res 2015; 42:142-7. [DOI: 10.1111/jog.12865] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 08/23/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Saeedeh Salimi
- Cellular and Molecular Research Center; Zahedan University of Medical Sciences; Zahedan Iran
- Department of Clinical Biochemistry, School of Medicine; Zahedan University of Medical Sciences; Zahedan Iran
| | - Milad Mohammadoo-Khorasani
- Cellular and Molecular Research Center; Zahedan University of Medical Sciences; Zahedan Iran
- Department of Clinical Biochemistry, Faculty of Medical Sciences; Tarbiat Modarres University; Tehran Iran
| | | | - Minoo Yaghmaei
- Department of Obstetrics and Gynecology, School of Medicine; Shahid Beheshty University of Medical Sciences; Tehran Iran
| | - Mojgan Mokhtari
- Department of Obstetrics and Gynecology, School of Medicine; Zahedan University of Medical Sciences; Zahedan Iran
- Pregnancy Health Research Center; Zahedan University of Medical Sciences; Zahedan Iran
| | - Farzaneh Farajian-Mashhadi
- Cellular and Molecular Research Center; Zahedan University of Medical Sciences; Zahedan Iran
- Department of Pharmacology, School of Medicine; Zahedan University of Medical Sciences; Zahedan Iran
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Association of interleukin 1 receptor antagonist (IL1RN) gene polymorphism with recurrent pregnancy loss risk in the North Indian Population and a meta-analysis. Mol Biol Rep 2014; 41:5719-27. [PMID: 24952603 DOI: 10.1007/s11033-014-3443-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2013] [Accepted: 06/03/2014] [Indexed: 10/25/2022]
Abstract
An appropriate ratio of interleukin 1 beta to interleukin 1 receptor antagonist (IL1Ra) is required for successful pregnancy. Our objective was to study the genetic association between IL1RN variable numbers of tandem repeat (VNTR) polymorphism and recurrent pregnancy loss (RPL). To analyze the association between IL1RN VNTR allele and RPL, we investigated the IL1RN VNTR polymorphism in 136 RPL patients and in 200 healthy control women. Meta-analysis on this polymorphism was conducted to support our findings. PCR based approach was used to analyze IL1RN VNTR polymorphism and it was further confirmed by sequencing. Systematic review and meta-analysis was done using electronic database (Pub-Med, Google Scholar and Ovid) up to February 27, 2013. This meta-analysis was assessed by comprehensive meta-analysis software version 2. For meta-analysis 549 cases and 1,450 controls were included. The frequency of IL1RN genotype 2/2 was significantly higher in RPL compared to control group (AORs 3.10, 95 % CI 1.58-6.11, p = 0.001). The presence of rare allele also increased the risk of RPL significantly (ORs 1.63, 95 % CI 1.16-2.29, p = 0.004). The meta-analysis stratified by ethnicity showed that individuals with allele 2 had increased risk of RPL (OR 1.29, 95 % CI 1.04-1.61, p = 0.01), in Asians population by using fixed model. However the data of the present study clearly suggests that IL1RN VNTR polymorphism is a genetic risk factor for pregnancy loss in the study population.
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Nair RR, Khanna A, Singh K. Association of Interleukin 1 beta (IL-1B) gene polymorphism with early pregnancy loss risk in the North Indian population. Int J Immunogenet 2013; 41:41-3. [PMID: 23442095 DOI: 10.1111/iji.12044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 10/31/2012] [Accepted: 01/14/2013] [Indexed: 01/02/2023]
Abstract
C+3953T IL-1 B single-nucleotide polymorphism (SNP) genotyping was carried out in 140 unrelated early pregnancy loss (EPL) patients and in 198 fertile healthy control women and in chorionic villous samples by PCR-RFLP. In Indian population, this is the first report on association of IL-1 B SNP C+3953T polymorphism and EPL.
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Affiliation(s)
- R R Nair
- Department of Molecular & Human Genetics, Banaras Hindu University, Varanasi, India
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Agrawal S, Parveen F, Faridi RM, Prakash S. Interleukin-1 gene cluster variants and recurrent pregnancy loss among North Indian women: retrospective study and meta-analysis. Reprod Biomed Online 2011; 24:342-51. [PMID: 22285242 DOI: 10.1016/j.rbmo.2011.11.021] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 11/26/2011] [Accepted: 11/29/2011] [Indexed: 01/23/2023]
Abstract
The aim of this study was to determine whether or not interleukin-1 alpha (IL-1a), interleukin-1 beta (IL-1b) and IL-1 receptor antagonist (IL-1RA) polymorphisms are associated with risk of unexplained recurrent pregnancy loss (RPL) among North Indian women. This retrospective case–control study examine 200 well-characterized RPL cases for IL-1 gene cluster variants, determined by restriction fragment length polymorphism-PCR. The observed allele, genotype and haplotype distributions were compared with those obtained from 300 ethnically matched negative controls. Invariant distribution of IL-1 gene cluster single-nucleotide polymorphisms was observed among RPL cases and controls. Meta-analysis of IL-1b _511, +3953 and IL-1RN 86-bp variable number tandem repeat from the reported literature and this study did not reveal any significant association with the risk of RPL. In conclusion, no significant difference between RPL and control groups was observed at the allele, genotype or haplotype levels when tested for association using the dominant, recessive and additive models of inheritance for IL-1 gene cluster variants. As far as is known, this is the first report from India pertaining to IL-1 gene cluster variants’ association with the risk of RPL from North India.
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Affiliation(s)
- S Agrawal
- Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Raebareli Road, Lucknow 226014, UP, India.
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Ma X, Xu LJ, Wang J, Xian MM, Liu M. Association of IL-1β and IL-6 gene polymorphisms with recurrent spontaneous abortion in a Chinese Han population. Int J Immunogenet 2011; 39:15-9. [PMID: 22010855 DOI: 10.1111/j.1744-313x.2011.01049.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
As certain cytokines may play a role in unexplained recurrent spontaneous abortion (RSA) and also some cytokine gene polymorphisms may affect the level of cytokine production, the aim of this study was to investigate the relationship between Chinese RSA and polymorphisms of the genes coding for interleukin (IL)-1β (-31C/T, -511C/T, +3954C/T) and IL-6 (-634C/G). Women (n = 162) with at least three consecutive spontaneous abortions and 156 ethnically matched healthy women with at least one successful pregnancy were included. Genotypes were determined using restriction fragment length polymorphism analysis of polymerase chain reaction products. No significant differences were found in the IL-1β-31T, -511T and +3954T distributions between the RSA group and the control group. On the other hand, the frequencies of the IL-6-634GG genotype and -634G allele were significantly decreased in the RSA group versus the control group (genotype: P = 0.0003; allele: P = 0.002), suggesting the IL-6-634C/G polymorphism might be a possible genetic protective factor for RSA.
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Affiliation(s)
- X Ma
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology, College of Life Sciences, Nanjing Normal University, Nanjing, China
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Traina E, Daher S, Moron AF, Sun SY, Franchim CS, Mattar R. Polymorphisms in VEGF, progesterone receptor and IL-1 receptor genes in women with recurrent spontaneous abortion. J Reprod Immunol 2010; 88:53-7. [PMID: 20956022 DOI: 10.1016/j.jri.2010.07.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2010] [Revised: 07/11/2010] [Accepted: 07/20/2010] [Indexed: 01/23/2023]
Abstract
Hormonal, inflammatory and vascular alterations during pregnancy are thought to be involved in pregnancy loss. The role of progesterone, the actions of which involve cytokines and vascular endothelial growth factor (VEGF), has been thoroughly studied. Genetic factors are involved in modulation of these molecules, and several genes have been associated with recurrent spontaneous abortion (RSA), as well other obstetric conditions. Here we investigate the relationship between RSA and gene polymorphisms of the progesterone receptor (PROGINS), interleukin-1 receptor 1 (PstI) and vascular endothelial growth factor (VEGF) (-634, 936). This case-controlled study comprised a total of 89 women with idiopathic RSA and a control group of 191 women with at least two successful pregnancies and no miscarriages. Genomic DNA was extracted from whole blood, and polymorphism genotyping was conducted by digesting PCR products with specific restriction endonucleases. No correlations were found in any of the investigated polymorphisms, even among dominant, co-dominant and additive inheritance models and alleles. Our results support the hypothesis that these specific gene polymorphisms are not the major determinant of pregnancy success. Although we did not find any correlations, the investigation of these and other polymorphisms remains a challenge in the evaluation of RSA.
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Affiliation(s)
- Evelyn Traina
- Obstetrics Departament, Universidade Federal de São Paulo, São Paulo, Brazil.
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Dai MZ, Pan YQ, Xu DP, Chen XJ, Qian RJ, Chen DH, Cui TW, Lin A, Yan WH. IL-1 receptor antagonist gene polymorphism in idiopathic recurrent spontaneous abortion in a Chinese Han population. Int J Immunogenet 2010; 37:393-6. [DOI: 10.1111/j.1744-313x.2010.00939.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Choi YK, Kwak-Kim J. Cytokine gene polymorphisms in recurrent spontaneous abortions: a comprehensive review. Am J Reprod Immunol 2008; 60:91-110. [PMID: 18573127 DOI: 10.1111/j.1600-0897.2008.00602.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
PROBLEM Cytokine gene polymorphism studies in women with recurrent spontaneous abortion (RSA) are reviewed to provide comprehensive understanding and a direction for the future investigation. METHOD OF STUDY A search of PubMed was made to identify the published data between 2001 and 2007 regarding RSA and cytokine gene polymorphisms. RESULTS Either allele and/or genotype frequencies of the following polymorphisms were reported to be significantly different between women with RSA and controls: IFN-gamma +874A-->T, TA (P = 0.01), AA (P = 0.04); IL-6, -634C-->G CG/GG (P = 0.026); IL-10, -592C-->A CC (P = 0.016); IL-1B -511C (P = 0.035), -31T (P = 0.029); IL-1RA, IL1RN*2 (P = 0.002), and IL1RN*3 (P = 0.002). None of these studies was repeatedly reported by others to be significantly different. Among these, four cytokine polymorphisms (IFN-gamma, +874A-->T; IL-1B -511C; IL-1RA, IL1RN*2, IL1RN*3) were refuted by others and rest of them were studied once. CONCLUSION Multiple cytokine polymorphisms were reported to be associated with RSA. However, a majority of studies were not confirmed by other investigators or refuted by others. Inconsistent study results might be related to: (i) the production of these cytokines is partly under genetic controls and other factors affect cytokine levels; (ii) ethnic background, environmental factors, and selection criteria for study populations are different and (iii) the possibilities exist that multiple cytokine gene polymorphisms or other genes in linkage disequilibrium may play a role in RSA.
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Affiliation(s)
- Yoon Kyong Choi
- Reproductive Medicine, Department of Obstetrics and Gynecology, Rosalind Franklin University of Medicine and Science/The Chicago Medical School, 3333 Green Bay Road, North Chicago, IL 60064, USA
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Bombell S, McGuire W. Cytokine polymorphisms in women with recurrent pregnancy loss: meta-analysis. Aust N Z J Obstet Gynaecol 2008; 48:147-54. [PMID: 18366487 DOI: 10.1111/j.1479-828x.2008.00843.x] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND Inflammatory cytokine cascades have been implicated in the pathogenesis of recurrent pregnancy loss (RPL). Polymorphisms in cytokine genes may affect the risk of RPL, but genetic association studies are often limited by small sample sizes. Meta-analysis of all available studies can increase the precision of these estimates. AIMS To assess and synthesise the available data from association studies of inflammatory cytokine polymorphisms with RPL. METHODS Systematic review and random effects meta-analysis of genetic association studies. RESULTS Sixteen reports of genetic association studies of cytokine polymorphisms with RPL were identified. Meta-analyses did not identify any significant associations with tumour necrosis factor (-308A, or -238A), interferon-gamma (+874T), interleukin (IL)-1beta (-511T), IL-6 (-174G), or IL-10 (-1082A, or -819T, or -592A). Significant associations were found with IL-1B (-31T) (two studies: pooled odds ratio (OR) 2.12 (95% confidence interval (CI) 1.04 to 4.33)) and IL-6 (-634G) (one study: OR 0.22 (95% CI 0.09 to 0.57)). CONCLUSIONS The available data are not consistent with more than modest associations between these candidate cytokine polymorphisms and RPL. Data from future association studies may be added to the meta-analyses to obtain more precise estimates of effect sizes.
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Affiliation(s)
- Sarah Bombell
- Australian National University Medical School, The Canberra Hospital, Woden, Australian Capital Territory, Australia
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Levrant S, Coulam CB, Jeyendran RS. ORIGINAL ARTICLE: Interleukin 1 Receptor Antagonist Gene Polymorphisms Are Not Risk Factors for Recurrent Pregnancy Loss: Evaluation of Couples. Am J Reprod Immunol 2008; 60:224-8. [DOI: 10.1111/j.1600-0897.2008.00617.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Vitoratos N, Papadias C, Economou E, Makrakis E, Panoulis C, Creatsas G. Elevated circulating IL-1beta and TNF-alpha, and unaltered IL-6 in first-trimester pregnancies complicated by threatened abortion with an adverse outcome. Mediators Inflamm 2007; 2006:30485. [PMID: 17047289 PMCID: PMC1618951 DOI: 10.1155/mi/2006/30485] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The purpose of the present study was to examine the profile of
selected proinflammatory cytokines in maternal serum of first-trimester pregnancies complicated by threatened abortion (TACP) and its relevance to obstetric outcome. Serum levels of Th1-type cytokines interleukin-1β (IL-1β), tumor necrosis factor alpha (TNF-alpha), and Th2-type cytokine
interleukin 6 (IL-6) were measured, by ELISA, in 22 women with TACP and adverse outcome at admission (group A) and compared with the corresponding levels of 31 gestational age-matched women with TACP and successful outcome at admission (group B1) and discharge
(group B2) and 22 gestational age-matched women with first-trimester uncomplicated pregnancy (group C) who served as controls. Mann-Whitney U or Wilcoxon test was applied as
appropriate to compare differences between groups. IL-1β and TNF-alpha were detected with significantly higher levels in group
A, compared to all other groups. On the contrary, IL-6 levels were detected with no significant difference among all the other groups studied. It is concluded that in first-trimester TACP with adverse outcome, a distinct immune response, as reflected by elevated maternal IL-1β, TNF-alpha, and unaltered IL-6 levels, is relevant to a negative obstetric outcome.
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Affiliation(s)
- Nicolaos Vitoratos
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
| | - Constantinos Papadias
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
| | - Emmanuel Economou
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
| | - Evangelos Makrakis
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
- *Evangelos Makrakis:
| | - Constantinos Panoulis
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
| | - George Creatsas
- 2nd Department of Obstetrics and Gynecology, Medical School, University of Athens, Aretaieion Hospital, 115 28 Athens, Greece
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Abstract
Most relevant studies in animals and humans indicate that some degree of systemic or uterine inflammation is necessary both for normal implantation and pregnancy. However, if inflammation becomes too excessive it might cause pregnancy complications such as fetal resorption/miscarriage. The main regulator of the correct level of inflammation at the feto-maternal interface seems to be the uterine CD16(-) CD56(bright) natural killer (NK) cells. Trophoblast debris, apoptotic cells and progesterone probably stimulate/regulate the production of inflammatory cytokines from these cells. Miscarriage of karyotypically normal embryos may occur when the level of inflammation at the feto-maternal interface falls outside the optimal range. This may be caused by an insufficient influx of CD56(bright) NK cells into the decidua, too little soluble histocompatibility leukocyte antigen (HLA)-G secretion from the trophoblast, hypersecretion of inflammatory cytokines due to the presence of high-production polymorphisms, presence of maternal HLA-DR alleles associated with high tumor necrosis factor (TNF)-alpha production, or maternal mannose-binding lectin deficiency.
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Affiliation(s)
- Ole B Christiansen
- Fertility Clinic 4071, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark.
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Christiansen OB, Nielsen HS, Kolte AM. Future directions of failed implantation and recurrent miscarriage research. Reprod Biomed Online 2006; 13:71-83. [PMID: 16820113 DOI: 10.1016/s1472-6483(10)62018-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Recurrent implantation failure is today the major reason for women completing several IVF/intracytoplasmic sperm injection attempts without having achieved a child, and is probably also the explanation for many cases of unexplained infertility. Most causes of recurrent miscarriage are still poorly elucidated, but from a theoretical point of view recurrent implantation failure and recurrent miscarriage are suggested to have partly overlapping causes. Recent research has indeed documented that both syndromes can be caused by the same embryonic chromosomal abnormalities and the same maternal endocrine, thrombophilic and immunological disturbances. Consequently, many treatments attempting to normalize these abnormalities have been tested or are currently used in women with both recurrent implantation failure and recurrent miscarriage. However, no treatment for the two syndromes is at the moment sufficiently documented to justify its routine use. In this review, an overview is given regarding present knowledge about causes that may be common for recurrent implantation failure and recurrent miscarriage, and suggestions are put forward for future research that may significantly improve understanding and treatment options for the syndromes.
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Affiliation(s)
- Ole B Christiansen
- Fertility Clinic 4071, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark.
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Current World Literature. Curr Opin Obstet Gynecol 2005. [DOI: 10.1097/01.gco.0000194327.87451.dd] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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