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https://www.readbyqxmd.com/read/28646699/insulin-and-the-polycystic-ovary-syndrome
#1
REVIEW
Djuro Macut, Jelica Bjekić-Macut, Dario Rahelić, Mirjana Doknić
Polycystic ovary syndrome (PCOS) is the most prevalent endocrinopathy among women during reproductive age. PCOS is characterised by hyperandrogenaemia, hyperinsulinaemia, and deranged adipokines secretion from the adipose tissue. In addition to the reduced insulin sensitivity, PCOS women exhibit β-cell dysfunction as well. Low birth weight and foetal exposure to androgens may contribute to the development of the PCOS phenotype during life. Further metabolic complications lead to dyslipidaemia, worsening obesity and glucose tolerance, high prevalence of metabolic syndrome, and greater susceptibility to diabetes...
June 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28646432/asynchronus-bilateral-ovarian-torsions-in-girls-systematic-review
#2
REVIEW
Maja Raicevic, Amulya Kumar Saxena
BACKGROUND: Bilateral ovarian torsions with complete loss of ovaries is devastating. This study analyzed the literature on bilateral ovarian torsions in girls to evaluate surgical options and outcomes. METHODS: Literature was searched on Pubmed® (1987-2014) using terms "bilateral", "adnexal", "ovary", "torsion" and "children". Data were collected on age, surgical preference, pathology and outcomes. RESULTS: Thirteen articles were identified, and 9 met the inclusion criteria (5 case reports, 4 original articles); and analyzed 17 girls (mean age: 8...
June 22, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28645211/akr1c3-mediated-adipose-androgen-generation-drives-lipotoxicity-in-women-with-polycystic-ovary-syndrome
#3
Michael W O'Reilly, Punith Kempegowda, Mark Walsh, Angela E Taylor, Konstantinos N Manolopoulos, J William Allwood, Robert K Semple, Daniel Hebenstreit, Warwick B Dunn, Jeremy W Tomlinson, Wiebke Arlt
Context: Polycystic ovary syndrome (PCOS) is a prevalent metabolic disorder, occurring in up to 10% of women of reproductive age. PCOS is associated with insulin resistance and cardiovascular risk. Androgen excess is a defining feature of PCOS and has been suggested as causally associated with insulin resistance; however, mechanistic evidence linking both is lacking. We hypothesized that adipose tissue is an important site linking androgen activation and metabolic dysfunction in PCOS...
June 22, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28643028/polycystic-ovary-syndrome-adipose-tissue-and-metabolic-syndrome
#4
REVIEW
Alessandro P Delitala, Giampiero Capobianco, Giuseppe Delitala, Pier Luigi Cherchi, Salvatore Dessole
PURPOSE: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder that affects women of reproductive age and is characterized by ovulatory dysfunction and/or androgen excess or polycystic ovaries. Women with PCOS present a number of systemic symptoms in addition to those related to the reproductive system. It has been associated with functional derangements in adipose tissue, metabolic syndrome, type 2 diabetes, and an increased risk of cardiovascular disease (CVD). METHODS: A detailed literature search on Pubmed was done for articles about PCOS, adipokines, insulin resistance, and metabolic syndrome...
June 22, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28642705/polycystic-ovary-syndrome-insights-into-the-therapeutic-approach-with-inositols
#5
REVIEW
Maria A Sortino, Salvatore Salomone, Michele O Carruba, Filippo Drago
Polycystic ovary syndrome (PCOS) is characterized by hormonal abnormalities that cause menstrual irregularity and reduce ovulation rate and fertility, associated to insulin resistance. Myo-inositol (cis-1,2,3,5-trans-4,6-cyclohexanehexol, MI) and D-chiro-inositol (cis-1,2,4-trans-3,5,6-cyclohexanehexol, DCI) represent promising treatments for PCOS, having shown some therapeutic benefits without substantial side effects. Because the use of inositols for treating PCOS is widespread, a deep understanding of this treatment option is needed, both in terms of potential mechanisms and efficacy...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28640938/obstructive-sleep-apnoea-and-polycystic-ovary-syndrome-a-comprehensive-review-of-clinical-interactions-and-underlying-pathophysiology
#6
REVIEW
Hassan Kahal, Ioannis Kyrou, Abd A Tahrani, Harpal S Randeva
Polycystic ovary syndrome (PCOS) is the most prevalent endocrine disorder in women of reproductive age. PCOS is associated with multiple co-morbidities including, obesity, insulin resistance and type 2 diabetes, as well as mood disorders and impaired quality of life (QoL). Obstructive sleep apnoea (OSA) is also a common medical condition that is often undiagnosed, particularly in women. OSA is associated with a similar spectrum of comorbidities to that observed in PCOS, including manifestations of the metabolic syndrome and impaired QoL, whilst obesity frequently constitutes a common denominator in the pathophysiology of both OSA and PCOS...
June 22, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28640441/adipose-tissue-derived-omentin-1-function-and-regulation
#7
Takuya Watanabe, Kaho Watanabe-Kominato, Yui Takahashi, Miho Kojima, Rena Watanabe
Omentin-1, also known as intelectin-1, is a recently identified novel adipocytokine of 313 amino acids, which is expressed in visceral (omental and epicardial) fat as well as mesothelial cells, vascular cells, airway goblet cells, small intestine, colon, ovary, and plasma. The level of omentin-1 expression in (pre)adipocytes is decreased by glucose/insulin and stimulated by fibroblast growth factor-21 and dexamethasone. Several lines of experimental evidence have shown that omentin-1 plays crucial roles in the maintenance of body metabolism and insulin sensitivity, and has anti-inflammatory, anti-atherosclerotic, and cardiovascular protective effects via AMP-activated protein kinase/Akt/nuclear factor-κB/mitogen-activated protein kinase (ERK, JNK, and p38) signaling...
June 18, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28636541/methylenetetrahydrofolate-reductase-c677t-polymorphism-and-the-risks-of-polycystic-ovary-syndrome-an-updated-meta-analysis-of-14-studies
#8
Lihong Wang, Wenting Xu, Caihong Wang, Mengyu Tang, Yujia Zhou
Some studies have reported an association between the Methylenetetrahydrofolate reductase (MTHFR) C667T genetic variant and risk of polycystic ovary syndrome (PCOS), although the results remain controversial. A systematic search was conducted on PubMed, Web of Science, EMBASE, Ovid, Chinese National Knowledge Databases and WanFang databases with relevant keywords. Fourteen studies of sixteen distinct populations involving 1478 PCOS cases and used to conduct a meta-analysis. The T allele was not significantly associated with increased risk of PCOS [OR: 1...
June 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635410/pelvic-floor-dysfunction-and-polycystic-ovary-syndrome
#9
Seyed Abdolvahab Taghavi, Fatemeh Bazarganipour, Helen Allan, Zahra Khashavi, Nasrin Reisi, Nadiyeh Dosha, Fatemeh Aghili, Mohadeseh Keramati, Sedigheh Zahedi, Amireh Aji-Ramkani
The purpose of this study was to compare the prevalence of pelvic floor dysfunction (PFD) symptoms in patients with and without polycystic ovary syndrome (PCOS) and among different PCOS phenotypes. This was a case-control study. All participants were assessed using ultrasonography to determine the presence or absence of polycystic ovaries (PCO) and allocated to the case or control group (having healthy females whose husbands were diagnosed with male infertility). The case group was then further subdivided into the three phenotypes according to the presence or absence of menstrual dysfunction (M), hyperandrogenism (HA) and PCO on ultrasonography...
February 21, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28630466/comparative-effectiveness-of-9-ovulation-induction-therapies-in-patients-with-clomiphene-citrate-resistant-polycystic-ovary-syndrome-a-network-meta-analysis
#10
Yiping Yu, Lanlan Fang, Ruizhe Zhang, Jingyan He, Yujing Xiong, Xiaoyi Guo, Qingyun Du, Yan Huang, Yingpu Sun
The comparative efficacies of ovulation-induction treatments in patients with clomiphene citrate-resistant (CCR) polycystic ovary syndrome (PCOS) are not well known. Therefore, we conducted a network meta-analysis to rank the reproductive efficacies of these treatments. We ultimately included 26 randomized clinical trials with 2722 participants and 9 types of therapies: clomiphene citrate (CC), metformin, letrozole, follicle stimulating hormone (FSH), human menopausal gonadotropin (hMG), unilateral laparoscopic ovarian drilling (ULOD), bilateral laparoscopic ovarian drilling (BLOD), the combination of metformin with letrozole (metformin+letrozole), and the combination of metformin with CC (metformin+CC)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28625952/daily-consumption-of-commercial-chicken-feed-and-meat-lead-to-alterations-in-serum-cholesterol-and-steroidal-sex-hormones-in-female-rats
#11
Saara Ahmad, Iftikhar Ahmed, Saida Haider, Zehra Batool, Saad Bilal Ahmed
Poultry consumption is increased worldwide owing to better taste, easy availability and low cost. The present study was designed to investigate the effects of the chicken feed, conventional chicken meat and organic chicken meat on the % growth rate, serum cholesterol, progesterone, testosterone and estrogen levels in female rats. Hundred female Albino Wistar rats were randomly assigned to four groups (n=25). Group I was control rats fed on standard chow, group II treated with commercial chicken feed, group III rats fed with conventional chicken meat and group IV with organic chicken meat for a period of 6 weeks...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28624501/new-biomarkers-for-diagnosis-and-management-of-polycystic-ovary-syndrome
#12
REVIEW
Sidika E Karakas
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder affecting young women. Even though the definition of PCOS has changed over the years, all diagnostic criteria include two or more of the following: oligomenorrhea/oligoovulation/anovulation, androgen excess and polycystic ovaries (PCO). Traditional method of assessing the ovarian morphology has been transvaginal pelvic ultrasound. Recent studies support that serum anti-Mullerian hormone (AMH) levels correlate with the number of ovarian follicles and cysts...
June 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28624500/phoenixin-14-concentrations-are-increased-in-association-with-luteinizing-hormone-and-nesfatin-1-concentrations-in-women-with-polycystic-ovary-syndrome
#13
Kamran Ullah, Tanzil Ur Rahman, Dan-Dan Wu, Xian-Hua Lin, Ye Liu, Xiao-Yan Guo, Peter C K Leung, Run-Ju Zhang, He-Feng Huang, Jian-Zhong Sheng
BACKGROUND: Polycystic ovary syndrome (PCOS) is commonly characterized by obesity, insulin resistance (IR), hyperandrogenemia and hirsutism. Following the reported relationship between phoenixin-14 and gonadotropin production in rat hypothalamic-pituitary-gonadal axis, the present study was designed to investigate the circulating concentrations of phoenixin-14 and their associations with the concentrations of sex hormones including luteinizing hormone (LH), follicular stimulating hormone (FSH), estradiol (E2), progesterone (P4) and total testosterone (TT) in PCOS patients...
June 15, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28624344/effect-of-obesity-and-its-related-metabolic-factors-on-serum-anti-m%C3%A3-llerian-hormone-concentrations-in-women-with-and-without-polycystic-ovaries
#14
Tiphaine Lefebvre, Agathe Dumont, Pascal Pigny, Didier Dewailly
The relationship between serum anti-Müllerian hormone (AMH) levels, body mass index (BMI) and related metabolic factors were investigated in women with polycystic ovary syndrome (PCOS). A total of 691 women aged between 18 and 35 years, referred to the Department of Gynaecological Endocrinology at the University Hospital of Lille between 2009 and 2014 were included: 137 controls and 554 women with PCOS. Mean serum AMH levels were slightly but significantly lower in women with PCOS who were overweight or obese (BMI ≥25) compared with women of normal weight (BMI <25) (P < 0...
June 3, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/28620546/ovarian-morphology-is-associated-with-insulin-resistance-in-women-with-polycystic-ovary-syndrome-a-cross-sectional-study
#15
Sara Pittenger Reid, Chia-Ning Kao, Lauri Pasch, Kanade Shinkai, Marcelle I Cedars, Heather G Huddleston
BACKGROUND: Polycystic ovary syndrome (PCOS) is a very common disorder well known to be associated with insulin resistance and metabolic disease. Insulin resistance is likely involved in the promotion of the PCOS reproductive phenotype and may mediate some of the ovarian morphology seen in the disorder. The phenotype of each individual woman with PCOS can vary widely as can her metabolic risk. METHODS: This is a cross-sectional study of patients seen in a multidisciplinary PCOS clinic at the University of California at San Francisco between 2006 and 2014...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/28620353/the-distribution-of-stroma-and-antral-follicles-differs-between-insulin-resistance-and-hyperandrogenism-related-polycystic-ovarian-syndrome
#16
Carlo Alviggi, Alessandro Conforti, Pasquale De Rosa, Ida Strina, Stefano Palomba, Roberta Vallone, Salvatore Gizzo, Rosaria Borrelli, Claus Yding Andersen, Giuseppe De Placido, Stefano Guerriero
INTRODUCTION: Although insulin resistance plays an important pathogenetic role in polycystic ovary syndrome (PCOS), no correlation between ultrasound PCOS pattern and insulin resistance has yet been reported. The aim of this retrospective observational study was to assess whether the ovarian ultrasonographic parameter differed between PCOS women with insulin resistance and those with a hyperandrogenic profile. MATERIALS AND METHODS: Women who fulfilled the Rotterdam criteria for PCOS were retrospectively studied...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28620242/salivary-testosterone-measurement-in-women-with-and-without-polycystic-ovary-syndrome
#17
Thozhukat Sathyapalan, Ahmed Al-Qaissi, Eric S Kilpatrick, Soha R Dargham, Joanne Adaway, Brian Keevil, Stephen L Atkin
Clinical and/or biochemical hyperandrogenism is one of the diagnostic criteria for PCOS. An evaluation of the role of salivary testosterone (salT) and androstenedione (salA) for the diagnosis of PCOS was undertaken in a cross sectional study involving 65 women without PCOS and 110 women with PCOS fulfilling all 3 diagnostic Rotterdam criteria. Serum and salivary androgen measurements were determined by LC-MS/MS. salT and salA were significantly elevated in PCOS compared to controls (P < 001). No androgen marker was more predictive than another using ROC curves, but multiple logistic regression suggested salT was more predictive than free androgen index (FAI) (p < 0...
June 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28619560/rotterdam-criteria-based-diagnostic-subtype-is-not-a-strong-predictor-of-cutaneous-phenotype-in-patients-with-polycystic-ovary-syndrome-a-cross-sectional-study
#18
Timothy H Schmidt, Jean-Phillip Okhovat, Keshav Khanijow, Heather Huddleston, Marcelle Cedars, Lauri Pasch, Erica T Wang, Julie Lee, Kanade Shinkai
No abstract text is available yet for this article.
July 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28619389/the-promising-effect-of-linagliptin-and-or-indole-3-carbinol-on-experimentally-induced-polycystic-ovarian-syndrome-the-role-of-transforming-growth-factor-beta-1-oxidative-stress-and-nrf2-ho-1-pathway
#19
Ahmed M Kabel, Aisha H Al-Shehri, Rehab A Altalhi
Polycystic ovarian syndrome (PCOS) is one of the most common medical condition that leads to female infertility worldwide. The aim of this study was to assess the effect of linagliptin and/or indole-3-carbinol (I3C) on PCOS in female rats. Fifty female Wistar rats were randomly allocated into five equal groups: Control group; Letrozole induced PCOS group; Letrozole + Linagliptin group; Letrozole + I3C group and Letrozole + Linagliptin + I3C group. Body weight, body mass index, Lee index and ovarian indices were determined...
June 12, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28617068/nuclear-factor-%C3%AE%C2%BAb-expression-in-the-endometrium-of-normal-and-overweight-women-with-polycystic-ovary-syndrome
#20
Onder Koc, Safak Ozdemirici, Mustafa Acet, Ummugulsum Soyturk, Suleyman Aydin
The aim of this study was to investigate whether the expression levels of endometrial NFκB p65 differ between normal weight and overweight PCOS women and to compare them with BMI-matched control subjects without PCOS. The study group comprised 20 normal weight (BMI: 18.5-24.9 kg/m(2)) and 15 overweight PCOS women (BMI: 25-29.9 kg/m(2)) with infertility. Healthy fertile women without PCOS were recruited as the control group. The patients in the normal weight PCOS group and control group were age and BMI-matched...
June 15, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
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