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Greere D, Grigorescu F, Manda D, Voicu G, Lautier C, Nitu I, Poiana C. Relative Contribution of Metabolic Syndrome Components in Relation to Obesity and Insulin Resistance in Postmenopausal Osteoporosis. J Clin Med 2024; 13:2529. [PMID: 38731059 PMCID: PMC11084230 DOI: 10.3390/jcm13092529] [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: 03/12/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
Introduction. Osteoporosis (OP) affects 30% of postmenopausal women, often complicated by metabolic syndrome (MetS) with a still controversial role. We aimed to characterize MetS and its components in relation to bone mineral density (BMD), body mass index (BMI), and insulin resistance. Methods. Patients (n = 188) underwent DEXA scans, spine X-rays, and metabolic and hormonal investigations, including bone biomarkers, muscular strength, and physical performance tests, while insulin resistance was evaluated by the Homeostasis Model Assessment (HOMA-IR). Results. Patients with a normal BMD or osteopenia (n = 68) and with OP (n = 120) displayed 51.5% and 30.8% of MetS, but without differences in insulin resistance. When BMD was studied as a function of the cumulative MetS criteria and centiles of BMI, lower levels of BMD were observed beyond an inflection point of 27.2 kg/m2 for BMI, allowing for further stratification as lean and overweight/obese (OW/OB) subjects. In contrast with lean individuals (n = 74), in OW/OB patients (n = 46), MetS was associated with HbA1c (p < 0.0037, OR 9.6, 95% CI [1.64-55.6]) and insulin resistance (p < 0.0076, OR 6.7, 95% CI [1.49-30.8]) in the context where BMD values were lower than those predicted from BMI in non-OP subjects. In OP patients with fragility fractures (31% of MetS), glycemia also appeared to be the dominant factor for MetS (p < 0.0005, OR 4.1, 95% CI [1.63-10.39]). Conclusions. These data indicate a detrimental effect of insulin resistance in MetS on OP patients, while the prevalence of the syndrome depends on the proportion of obesity. These findings provide new insights into the pathogenic role of MetS and reveal the need to consider different strata of BMI and insulin resistance when studying postmenopausal OP.
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Affiliation(s)
- Daniela Greere
- Department of Endocrinology, Faculty of General Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Bd., 050474 Bucharest, Romania;
- Department of Clinical Endocrinology, C. I. Parhon Institute of Endocrinology, 34-38 Aviatorilor Bd., 011863 Bucharest, Romania
| | - Florin Grigorescu
- Institut Convergences Migrations, Collège de France, 1440 Ave des Orchidées, 34980 Saint Clément de Rivière, France;
| | - Dana Manda
- Molecular Cellular and Structural Endocrinology Laboratory, C. I. Parhon Institute of Endocrinology, 34-38 Aviatorilor Bd., 011863 Bucharest, Romania;
| | - Gabriela Voicu
- Nuclear Medicine Laboratory, C. I. Parhon Institute of Endocrinology, 34-38 Aviatorilor Bd., 011863 Bucharest, Romania;
| | - Corinne Lautier
- Qualisud, Univ Montpellier, Avignon Université, Centre de Coopération Internationale en Recherche Agronomique Pour le Développement, Institut Agro, Institut de Recherche Pour le Développement, Université de La Réunion, 15 Ave Charles Flahault, 97400 Montpellier, France;
| | - Ileana Nitu
- Department of Cardiology, C. I. Parhon Institute of Endocrinology, 34-38 Aviatorilor Bd., 011863 Bucharest, Romania;
| | - Catalina Poiana
- Department of Endocrinology, Faculty of General Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Bd., 050474 Bucharest, Romania;
- Department of Clinical Endocrinology, C. I. Parhon Institute of Endocrinology, 34-38 Aviatorilor Bd., 011863 Bucharest, Romania
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Chaudhary H, Patel J, Jain NK, Joshi R. The role of polymorphism in various potential genes on polycystic ovary syndrome susceptibility and pathogenesis. J Ovarian Res 2021; 14:125. [PMID: 34563259 PMCID: PMC8466925 DOI: 10.1186/s13048-021-00879-w] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/09/2021] [Indexed: 12/27/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common endocrinopathies affecting the early reproductive age in women, whose pathophysiology perplexes many researchers till today. This syndrome is classically categorized by hyperandrogenism and/or hyperandrogenemia, menstrual and ovulatory dysfunction, bulky multi follicular ovaries on Ultrasonography (USG), and metabolic abnormalities such as hyperinsulinemia, dyslipidemia, obesity. The etiopathogenesis of PCOS is not fully elucidated, but it seems that the hypothalamus-pituitary-ovarian axis, ovarian, and/or adrenal androgen secretion may contribute to developing the syndrome. Infertility and poor reproductive health in women's lives are highly associated with elevated levels of androgens. Studies with ovarian theca cells taken from PCOS women have demonstrated increased androgen production due to augmented ovarian steroidogenesis attributed to mainly altered expression of critical enzymes (Cytochrome P450 enzymes: CYP17, CYP21, CYP19, CYP11A) in the steroid hormone biosynthesis pathway. Despite the heterogeneity of PCOS, candidate gene studies are the widely used technique to delineate the genetic variants and analyze for the correlation of androgen biosynthesis pathway and those affecting the secretion or action of insulin with PCOS etiology. Linkage and association studies have predicted the relationship between genetic variants and PCOS risk among families or populations. Several genes have been proposed as playing a role in the etiopathogenesis of PCOS, and the presence of mutations and/or polymorphisms has been discovered, which suggests that PCOS has a vital heritable component. The following review summarizes the influence of polymorphisms in crucial genes of the steroidogenesis pathway leading to intraovarian hyperandrogenism which can result in PCOS.
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Affiliation(s)
- Hiral Chaudhary
- Department of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Jalpa Patel
- Department of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Nayan K. Jain
- Department of Life Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
| | - Rushikesh Joshi
- Department of Biochemistry and Forensic Science, University School of Sciences, Gujarat University, Ahmedabad, Gujarat 380009 India
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Haydar S, Grigorescu F, Vintilă M, Cogne Y, Lautier C, Tutuncu Y, Brun JF, Robine JM, Pugeat M, Normand C, Poucheret P, Gheorghiu ML, Georgescu C, Badiu C, Băculescu N, Renard E, Ylli D, Badiou S, Sutra T, Cristol JP, Mercier J, Gomis R, Macias JM, Litvinov S, Khusnutdinova E, Poiana C, Pasquali R, Lauro D, Sesti G, Prudente S, Trischitta V, Tsatsoulis A, Abdelhak S, Barakat A, Zenati A, Ylli A, Satman I, Kanninen T, Rinato Y, Missoni S. Fine-scale haplotype mapping of MUT, AACS, SLC6A15 and PRKCA genes indicates association with insulin resistance of metabolic syndrome and relationship with branched chain amino acid metabolism or regulation. PLoS One 2019; 14:e0214122. [PMID: 30913280 PMCID: PMC6435171 DOI: 10.1371/journal.pone.0214122] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 03/07/2019] [Indexed: 12/15/2022] Open
Abstract
Branched chain amino acids (BCAA) are essential elements of the human diet, which display increased plasma levels in obesity and regained particular interest as potential biomarkers for development of diabetes. To define determinants of insulin resistance (IR) we investigated 73 genes involved in BCAA metabolism or regulation by fine-scale haplotype mapping in two European populations with metabolic syndrome. French and Romanians (n = 465) were genotyped for SNPs (Affymetrix) and enriched by imputation (BEAGLE 4.1) at 1000 genome project density. Initial association hits detected by sliding window were refined (HAPLOVIEW 3.1 and PHASE 2.1) and correlated to homeostasis model assessment (HOMAIR) index, in vivo insulin sensitivity (SI) and BCAA plasma levels (ANOVA). Four genomic regions were associated with IR located downstream of MUT, AACS, SLC6A15 and PRKCA genes (P between 9.3 and 3.7 x 10-5). Inferred haplotypes up to 13 SNPs length were associated with IR (e.g. MUT gene with P < 4.9 x 10-5; Bonferroni 1.3 x 10-3) and synergistic to HOMAIR. SNPs in the same regions were also associated with one order of magnitude lower P values (e.g. rs20167284 in the MUT gene with P < 1.27 x 10-4) and replicated in Mediterranean samples (n = 832). In French, influential haplotypes (OR > 2.0) were correlated with in vivo insulin sensitivity (1/SI) except for SLC6A15 gene. Association of these genes with BCAA levels was variable, but influential haplotypes confirmed implication of MUT from BCAA metabolism as well as a role of regulatory genes (AACS and PRKCA) and suggested potential changes in transcriptional activity. These data drive attention towards new regulatory regions involved in IR in relation with BCAA and show the ability of haplotypes in phased DNA to detect signals complimentary to SNPs, which may be useful in designing genetic markers for clinical applications in ethnic populations.
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Affiliation(s)
- Sara Haydar
- University of Montpellier, UMR204 NUTRIPASS (IRD, UM, SupAgro), Montpellier, France
| | - Florin Grigorescu
- University of Montpellier, UMR204 NUTRIPASS (IRD, UM, SupAgro), Montpellier, France
| | - Mădălina Vintilă
- Universitatea de Medicina si Farmacie Carol Davila, Department of Endocrinology, Bucharest, Romania
| | - Yannick Cogne
- University of Montpellier, UMR204 NUTRIPASS (IRD, UM, SupAgro), Montpellier, France
| | - Corinne Lautier
- University of Montpellier, UMR204 NUTRIPASS (IRD, UM, SupAgro), Montpellier, France
| | - Yildiz Tutuncu
- Istanbul University, Department of Internal Medicine, Istanbul, Turkey
| | - Jean Frederic Brun
- University of Montpellier, PhyMedExp, INSERM, CNRS, Department of Biochemistry and Hormonology, CHRU Montpellier, Montpellier, France
| | | | - Michel Pugeat
- University Claude Bernard de Lyon 1, Lyon-Bron, France
| | - Christophe Normand
- University of Montpellier, UMR204 NUTRIPASS (IRD, UM, SupAgro), Montpellier, France
| | | | - Monica Livia Gheorghiu
- Universitatea de Medicina si Farmacie Carol Davila, Department of Endocrinology, Bucharest, Romania
| | - Carmen Georgescu
- Universitatea de Medicina si Farmacie Iuliu Hatieganu, Cluj-Napoca, Romania
| | - Corin Badiu
- Universitatea de Medicina si Farmacie Carol Davila, Department of Endocrinology, Bucharest, Romania
| | - Nicoleta Băculescu
- Universitatea de Medicina si Farmacie Carol Davila, Department of Endocrinology, Bucharest, Romania
| | - Eric Renard
- Centre Hospitalier Regional Universitaire de Montpellier, Departement d'Endocrinologie, Diabète, Nutrition, Hôpital Lapeyronie, Montpellier, France
| | - Dorina Ylli
- Mjekesise University of Tirana, Tirana, Albania
| | - Stephanie Badiou
- University of Montpellier, PhyMedExp, INSERM, CNRS, Department of Biochemistry and Hormonology, CHRU Montpellier, Montpellier, France
| | - Thibault Sutra
- University of Montpellier, PhyMedExp, INSERM, CNRS, Department of Biochemistry and Hormonology, CHRU Montpellier, Montpellier, France
| | - Jean Paul Cristol
- University of Montpellier, PhyMedExp, INSERM, CNRS, Department of Biochemistry and Hormonology, CHRU Montpellier, Montpellier, France
| | - Jacques Mercier
- University of Montpellier, PhyMedExp, INSERM, CNRS, Department of Biochemistry and Hormonology, CHRU Montpellier, Montpellier, France
| | - Ramon Gomis
- Institut d'Investigacions Biomediques August Pi i Sunyer, Barcelona, Spain
| | | | | | | | - Catalina Poiana
- Universitatea de Medicina si Farmacie Carol Davila, Department of Endocrinology, Bucharest, Romania
| | - Renato Pasquali
- University Alma Mater Studiorum, Division of Endocrinology, Bologna, Italy
| | - Davide Lauro
- Universita degli Studi di Roma Tor Vergata, Roma, Italy
| | - Giorgio Sesti
- University Magna Graecia of Catanzaro, Catanzaro, Italy
| | - Sabrina Prudente
- Scientific Institute Casa Sollievo della Sofferenza, San Giovani Rotondo, Italy
| | - Vincenzo Trischitta
- Scientific Institute Casa Sollievo della Sofferenza, San Giovani Rotondo, Italy
| | - Agathocles Tsatsoulis
- University of Ioannina School of Medicine, Department of Endocrinology, Ioannina, Greece
| | - Sonia Abdelhak
- Institut Pasteur de Tunis, Laboratory of Biomedical Genomics and Oncogenetics, Tunis, Tunisia
| | | | - Akila Zenati
- Universite d'Alger, CHU Bab-El-Oued, Alger, Algeria
| | - Agron Ylli
- Mjekesise University of Tirana, Tirana, Albania
| | - Ilhan Satman
- Istanbul University, Department of Internal Medicine, Istanbul, Turkey
| | | | | | - Sasa Missoni
- Institute for Anthropological Research, Zagreb, Croatia
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McAllister JM, Legro RS, Modi BP, Strauss JF. Functional genomics of PCOS: from GWAS to molecular mechanisms. Trends Endocrinol Metab 2015; 26:118-24. [PMID: 25600292 PMCID: PMC4346470 DOI: 10.1016/j.tem.2014.12.004] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2014] [Revised: 12/15/2014] [Accepted: 12/16/2014] [Indexed: 01/24/2023]
Abstract
Polycystic ovary syndrome (PCOS) is a common endocrinopathy characterized by increased ovarian androgen biosynthesis, anovulation, and infertility. PCOS has a strong heritable component based on familial clustering and twin studies. Genome-wide association studies (GWAS) identified several PCOS candidate loci including LHCGR, FSHR, ZNF217, YAP1, INSR, RAB5B, and C9orf3. We review the functional roles of strong PCOS candidate loci focusing on FSHR, LHCGR, INSR, and DENND1A. We propose that these candidates comprise a hierarchical signaling network by which DENND1A, LHCGR, INSR, RAB5B, adapter proteins, and associated downstream signaling cascades converge to regulate theca cell androgen biosynthesis. Future elucidation of the functional gene networks predicted by the PCOS GWAS will result in new diagnostic and therapeutic approaches for women with PCOS.
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Affiliation(s)
- Jan M McAllister
- Department of Pathology, Penn State Hershey College of Medicine, Hershey, PA, USA; Department of Obstetrics and Gynecology, Penn State Hershey College of Medicine, Hershey, PA, USA.
| | - Richard S Legro
- Department of Obstetrics and Gynecology, Penn State Hershey College of Medicine, Hershey, PA, USA
| | - Bhavi P Modi
- Department of Obstetrics and Gynecology, Virginia Commonwealth University, Richmond, VA, USA
| | - Jerome F Strauss
- Department of Obstetrics and Gynecology, Virginia Commonwealth University, Richmond, VA, USA
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5
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Feng C, Lv PP, Yu TT, Jin M, Shen JM, Wang X, Zhou F, Jiang SW. The association between polymorphism of INSR and polycystic ovary syndrome: a meta-analysis. Int J Mol Sci 2015; 16:2403-25. [PMID: 25622255 PMCID: PMC4346843 DOI: 10.3390/ijms16022403] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2014] [Revised: 12/31/2014] [Accepted: 01/13/2015] [Indexed: 01/26/2023] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common gynecological endocrine disorder. The genetic background is believed to play a crucial role in the pathogenesis of PCOS. In recent years, the role of insulin receptor (INSR) polymorphisms in PCOS predisposition has attracted much attention. We performed a meta-analysis to investigate the association between the single nucleotide polymorphisms (SNPs) of INSR and PCOS. Published literature from Pubmed, Embase, and Cochrane CENTRAL was retrieved up until 7 August 2014. A total of 20 case-control studies including 23,845 controls and 17,460 PCOS cases with an average Newcastle-Ottawa quality assessment scale (NOS) score of 6.75 were analyzed. Ninety-eight SNPs distributed in 23 exons and the flanking regions of INSR were investigated, among which 17 SNPs were found to be associated with PCOS. Three SNPs detected in more than three studies were selected for further analyses. Twelve studies including 1158 controls and 1264 PCOS cases entered the analysis of rs1799817, but no significant association was found for every genotype (p > 0.05). Further subgroup stratification by ethnicity and weight did not lead to discovery of significant correlation (p > 0.05). For rs2059806, four studies including 442 controls and 524 PCOS cases were qualified for meta-analysis, and no significant association with PCOS was found for any genotype (p > 0.05). Four studies including 12,830 controls and 11,683 PCOS cases investigated the correlation between rs2059807 and PCOS, and five of the six cohorts indicated a significant impact. Our current meta-analysis suggests no significant correlation between rs1799817/rs2059806 SNPs and susceptibility of PCOS, while rs2059807 could be a promising candidate SNP that might be involved in the susceptibility of PCOS.
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Affiliation(s)
- Chun Feng
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Ping-Ping Lv
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Tian-Tian Yu
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Min Jin
- Department of Reproductive Endocrinology, the Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou 310009, China.
| | - Jin-Ming Shen
- Department of Orthopedics, the First Affiliated Hospital of Zhejiang Chinese Medicine University, Hangzhou 310018, China.
| | - Xue Wang
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA.
| | - Feng Zhou
- Department of Reproductive Endocrinology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou 310006, China.
| | - Shi-Wen Jiang
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA.
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Ben-Shlomo I, Younis JS. Basic research in PCOS: are we reaching new frontiers? Reprod Biomed Online 2014; 28:669-83. [DOI: 10.1016/j.rbmo.2014.02.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Revised: 12/21/2013] [Accepted: 02/12/2014] [Indexed: 01/05/2023]
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Hwang JY, Lee EJ, Jin Go M, Sung YA, Lee HJ, Heon Kwak S, Jang HC, Soo Park K, Lee HJ, Byul Jang H, Song J, Park KH, Kim HL, Cho MC, Lee JY. Genome-wide association study identifies GYS2 as a novel genetic factor for polycystic ovary syndrome through obesity-related condition. J Hum Genet 2012; 57:660-4. [PMID: 22951595 DOI: 10.1038/jhg.2012.92] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
To investigate the role of genetic predisposition in the pathogenesis of polycystic ovary syndrome (PCOS) in relation to obesity, we performed a genome-wide association study of PCOS in Koreans (n=1741). PCOS is a heterogeneous endocrinal disorder of uncertain etiology. Obesity is one of the well-known risk factors for PCOS. Genome-wide association study. Women with or without PCOS. A total of 1881 samples were genotyped using Illumina HumanOmni1 Quad v1 and processed by R packages. The PCOS patients were divided into two subgroups according to PCOS diagnostic criteria (Rotterdam and National Institutes of Health (NIH)). For PCOS-associated loci in the two definitions, we successfully confirmed significant associations of GYS2 for body mass index in the discovery stage. We further replicated pleiotropic associations of GYS2 in a childhood obesity study (n=482) and in a gestational diabetes study (n=1710), respectively. Our study provides a preliminary framework upon diverse genetic effects underlying PCOS in Korean women. A newly identified GYS2 gene as a predisposing factor of PCOS might expand understanding of the biological pathways in metabolic and endocrine regulation.
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Affiliation(s)
- Joo-Yeon Hwang
- Center for Genome Science, National Institute of Health, Osong Health Technology Administration complex, Chungcheongbuk-do, Republic of Korea
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Matevosyan NR. Schizophrenia and Stein–Leventhal syndrome: comorbidity features. Arch Gynecol Obstet 2011; 284:1035-41. [DOI: 10.1007/s00404-011-1963-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Accepted: 06/20/2011] [Indexed: 11/25/2022]
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Traub ML. Assessing and treating insulin resistance in women with polycystic ovarian syndrome. World J Diabetes 2011; 2:33-40. [PMID: 21537458 PMCID: PMC3083905 DOI: 10.4239/wjd.v2.i3.33] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2010] [Revised: 12/10/2010] [Accepted: 12/17/2010] [Indexed: 02/05/2023] Open
Abstract
Polycystic ovarian syndrome (PCOS) is a highly prevalent hormonal and metabolic disorder among reproductive aged women worldwide. Women with PCOS have widely varying phenotypes and seek medical care for differing reasons. In addition to concern for menstrual cycle function, ovulation, hirsutism and acne, many PCOS women have abnormal glucose metabolism. While diabetes mellitus and impaired glucose tolerance are easily diagnosed, the diagnosis of and concern for insulin resistance as a precursor disorder is underappreciated. Insulin resistance may be the first important marker of metabolic disease in PCOS women at risk for metabolic syndrome and coronary artery disease.
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Affiliation(s)
- Michael L Traub
- Michael L Traub, Island Reproductive Services, Staten Island, NY 10314, United States
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