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https://www.readbyqxmd.com/read/29457756/effects-of-combined-oral-contraceptives-on-the-clinical-and-biochemical-parameters-of-hyperandrogenism-in-patients-with-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#1
Mina Amiri, Ali Kabir, Fatemeh Nahidi, Maryam Shekofteh, Fahimeh Ramezani Tehrani
INTRODUCTION: Nowadays, selection of COCs with maximum antiandrogenic effects is one the main issues in treatment of women with polycystic ovary syndrome (PCOS). OBJECTIVE: This systematic review and meta-analysis aimed to compare the effects of COCs on the clinical and biochemical parameters of hyperandrogenism (HA) in patients with PCOS. METHODS: Electronic databases (PubMed, Scopus, ScienceDirect and web of science) were searched from 1987 to November 2015 to identify clinical trials investigating effect of the various COCs on the clinical and biochemical parameters of HA in patients...
February 19, 2018: European Journal of Contraception & Reproductive Health Care
https://www.readbyqxmd.com/read/29456813/evaluation-of-tnf-%C3%AE-and-il-6-mrnas-expressions-in-visceral-and-subcutaneous-adipose-tissues-of-polycystic-ovarian-rats-and-effects-of-resveratrol
#2
Mahnaz Ghowsi, Homayoun Khazali, Sajjad Sisakhtnezhad
Objectives: Some studies suggest that chronic low-grade inflammation is involved in insulin resistance in polycystic ovary syndrome (PCOS). This study assessed possible involvement of alteration in expression of two pro-inflammatory factors, tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6) in adipose tissues of PCOS rats in the impairment of insulin actions. Also, effects of resveratrol as an anti-inflammatory agent were investigated. Materials and Methods: Fifteen female Wistar rats (21 days old) were divided into three groups (n=5): I) Control, II) PCO-model-saline: served as PCOS rats and to induce PCOS, received subcutaneously testosterone enanthate 1 mg/100 g body weight subcutaneously for 35 days, III) PCO-model-resveratrol, after receiving testosterone, received resveratrol 10 mg/kg intraperitoneally for 28 days...
February 2018: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/29453653/tight-interplay-in-early-pregnancy-between-follistatin-and-anti-mullerian-hormone-in-women-with-polycystic-ovarian-syndrome-pcos
#3
Angela Köninger, Antje Kampmeier, Pawel Mach, Boerge Schmidt, Thomas Strowitzki, Rainer Kimmig, Alexandra Gellhaus
PURPOSE: Follistatin levels increase during the course of pregnancy and may play a role in ovarian arrest, reflected by the simultaneous decrease of anti-mullerian-hormone (AMH) levels. The aim of the study was to investigate AMH and follistatin levels during the hormonal window at the beginning of pregnancy. Since both parameters are described as deregulated in polycystic ovarian syndrome (PCOS), subgroup analysis of PCOS patients may additionally elucidate their interplay and effects on ovarian activity...
February 16, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29452776/women-specific-risk-factors-for-heart-failure-a-genetic-approach
#4
REVIEW
Jet van der Kemp, Yvonne T van der Schouw, Folkert W Asselbergs, N Charlotte Onland-Moret
Heart failure is a complex disease, which is presented differently by men and women. Several studies have shown that reproductive factors, such as age at natural menopause, parity and polycystic ovarian syndrome (PCOS), may play a role in the development of heart failure. Shared genetics may provide clues to underlying mechanisms; however, this has never been examined. Therefore, the aim of the current study was to explore whether any reproductive factor is potentially related to heart failure in women, based on genetic similarities...
March 2018: Maturitas
https://www.readbyqxmd.com/read/29449314/vitamin-d-pcos-and-androgens-in-men-a-systematic-review
#5
Christian Trummer, Stefan Pilz, Verena Schwetz, Barbara R Obermayer-Pietsch, Elisabeth Lerchbaum
BACKGROUND: Accumulating evidence from animal and human studies suggests that vitamin D is involved in many functions of the reproductive system in both genders. AIM: The aim of this review was to provide an overview on the effects of vitamin D on polycystic ovary syndrome (PCOS) in women and androgen metabolism in men. METHODS: We performed a systematic literature search in Pubmed for relevant English language publications published from January 2012 until July 2017...
February 15, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29447630/metformin-as-an-adjunct-therapy-for-the-treatment-of-moderate-to-severe-acne-vulgaris
#6
John K Lee, Andrew D Smith
The purpose of this literature review is to evaluate the use of metformin as an adjunct therapy in the treatment of moderate-to-severe acne in those not diagnosed with polycystic ovary syndrome (PCOS) or androgen excess. The authors conducted independent literature searches. Results were limited to clinical trials and randomized controlled trials. Studies with participants diagnosed with moderateto-severe acne vulgaris taking metformin versus placebo or other active treatment were included;studies with participants diagnosed with PCOS or androgen excess were excluded...
November 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/29447491/association-between-th1-th2-immune-imbalance-and-obesity-in-women-with-or-without-polycystic-ovary-syndrome
#7
Ping Gong, Bingwei Shi, Juan Wang, Peixia Cao, Zhenyu Diao, Yuji Wang, Yali Hu, Shuping Li
OBJECTIVES: This study aimed to investigate the Th1/Th2 cells in peripheral blood of PCOS patients, and assess the potential correlation between Th1/Th2 imbalance and obesity. METHODS: Thirty-nine PCOS patients and 23 age-matched controls were enrolled. The PBMCs were obtained before pharmacological intervention in women with or without PCOS. The profiles of Th1 (IFN-γ) and Th2 (IL-4) cytokines of CD3 + CD - T lymphocyte subsets were analyzed by flow cytometry...
February 15, 2018: Gynecological Endocrinology
https://www.readbyqxmd.com/read/29447380/sirtuins-in-gamete-biology-and-reproductive-physiology-emerging-roles-and-therapeutic-potential-in-female-and-male-infertility
#8
Carla Tatone, Giovanna Di Emidio, Arcangelo Barbonetti, Gaspare Carta, Alberto M Luciano, Stefano Falone, Fernanda Amicarelli
BACKGROUND: Sirtuins (SIRT1-7) are a family of NAD+-dependent deacetylases that catalyze post-translational modifications of proteins. Together, they respond to metabolic challenges, inflammatory signals or hypoxic/oxidative stress, and are associated with aging and longevity. The role of Sirtuins in the regulation of fertility emerged in 2003 when a defective reproductive phenotype was observed in SIRT1-null mice. Although studies on Sirtuins in reproductive biology have been increasing in the last years, a recent comprehensive update on this issue is still lacking...
February 13, 2018: Human Reproduction Update
https://www.readbyqxmd.com/read/29443823/aerobic-training-improves-quality-of-life-in-women-with-polycystic-ovary-syndrome
#9
Eduardo Caldas Costa, Joceline Cássia Ferezini de Sá, Nigel Keith Stepto, Ingrid Bezerra Barbosa Costa, Luiz Fernando Farias-Junior, Simone da Nóbrega Tomaz Moreira, Elvira Maria Mafaldo Soares, Telma Maria Araújo Moura Lemos, Rodrigo Alberto Vieira Browne, George Dantas Azevedo
PURPOSE: To investigate the effects of a supervised aerobic exercise training intervention on health-related quality of life (HRQL), cardiorespiratory fitness, cardiometabolic profile, and affective response in overweight/obese women with polycystic ovary syndrome (PCOS). METHODS: Twenty-seven overweight/obese inactive women with PCOS (body mass index, BMI ≥ 25 kg/m; aged from 18 to 34 years) were allocated into an exercise group (n = 14) and a control group (n = 13)...
February 13, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29440941/sleep-disturbances-in-women-with-polycystic-ovary-syndrome-prevalence-pathophysiology-impact-and-management-strategies
#10
REVIEW
Renae C Fernandez, Vivienne M Moore, Emer M Van Ryswyk, Tamara J Varcoe, Raymond J Rodgers, Wendy A March, Lisa J Moran, Jodie C Avery, R Doug McEvoy, Michael J Davies
Polycystic ovary syndrome (PCOS) is a complex endocrine disorder affecting the reproductive, metabolic and psychological health of women. Clinic-based studies indicate that sleep disturbances and disorders including obstructive sleep apnea and excessive daytime sleepiness occur more frequently among women with PCOS compared to comparison groups without the syndrome. Evidence from the few available population-based studies is supportive. Women with PCOS tend to be overweight/obese, but this only partly accounts for their sleep problems as associations are generally upheld after adjustment for body mass index; sleep problems also occur in women with PCOS of normal weight...
2018: Nature and Science of Sleep
https://www.readbyqxmd.com/read/29439619/elevated-cd14-cd16-monocytes-in-hyperhomocysteinemia-associated-insulin-resistance-in-polycystic-ovary-syndrome
#11
Bochun Zhang, Xinyu Qi, Yue Zhao, Rong Li, Chunmei Zhang, Hsun-Ming Chang, Yanli Pang, Jie Qiao
BACKGROUND: Hyperhomocysteinemia, chronic low-grade inflammation, and insulin resistance are predominant features in women with polycystic ovary syndrome (PCOS). CD14 ++ CD16 + inflammatory monocytes are elevated in cardiovascular diseases and diabetes, in which inflammation is one of the pathogenesis. We aimed to determine whether homocysteine levels are associated with monocyte subtypes or insulin resistance in women with PCOS. METHODS: A cross-sectional study was conducted between December 2014 and June 2015 at Peking University Third Hospital...
January 1, 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29439093/dysregulated-genes-and-their-functional-pathways-in-luteinized-granulosa-cells-from-pcos-patients-after-cabergoline-treatment
#12
Hortensia Ferrero, Patricia Diaz-Gimeno, Patricia Sebastian-Leon, Amparo Faus, Raul Gómez, Antonio Pellicer
Polycystic ovarian syndrome (PCOS) is a common reproductive disorder frequently associated with a substantial risk factor for ovarian hyperstimulation syndrome (OHSS). Dopamine receptor 2 (D2) agonists, like Cabergoline (Cb2), have been used to reduce the OHSS risk. However, lutein granulosa cells (LGCs) from PCOS patients treated with Cb2 still show a deregulated dopaminergic tone (decreased D2 expression and low dopamine production) and increased vascularization compared to non-PCOS LGCs. Therefore, to understand the PCOS ovarian physiology, it is important to explore the mechanisms that underlie syndrome based on the therapeutic effects of Cb2...
February 9, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29438034/c1qtnf3-in-the-murine-ovary-and-its-function-in-folliculogenesis
#13
Zhoufei Mao, Liuhong Yang, Xiaosheng Lu, Anni Tan, Yuxia Wang, Fei Ding, Luanjuan Xiao, Xufeng Qi, Yanhong Yu
C1q/tumor necrosis factor-related protein 3 (C1QTNF3) is a novel adipokine with modulating effects on metabolism, inflammation, and the cardiovascular system. C1QTNF3 expression levels in the sera and omental adipose tissues of women with PCOS are low compared to control subjects. However, the expression and function of C1QTNF3 in the ovary has not previously been examined. Here, we assessed the expression patterns of C1qtnf3 in the ovary and explored its role in folliculogenesis. The C1qtnf3 transcript abundance was higher in large follicles than in small follicles and was under the influence of gonadotropin...
February 1, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29436386/limitations-of-insulin-resistance-assessment-in-polycystic-ovary-syndrome
#14
Krzysztof C Lewandowski, Justyna Płusajska, Wojciech Horzelski, Ewa Bieniek, Andrzej Lewinski
Backgroud: Though insulin resistance (IR) is common in polycystic ovary syndrome (PCOS), there is no agreement as to what surrogate method of assessment of IR is most reliable. SUBJECTS AND METHODS: In 478 women with PCOS we compared methods based on fasting insulin and either fasting glucose (HOMA-IR and QUICKI), or triglycerides (McAuley Index) with IR indices derived from glucose and insulin during OGTT (Belfiore, Matsuda and Stumvoll indices). RESULTS: There was a strong correlation between IR indices derived from fasting values HOMA-IR/QUICKI, r=-0...
February 7, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29435121/lipidomics-reveals-altered-biosynthetic-pathways-of-glycerophospholipids-and-cell-signaling-as-biomarkers-of-the-polycystic-ovary-syndrome
#15
Mariona Jové, Irene Pradas, Alba Naudí, Susana Rovira-Llopis, Celia Bañuls, Milagros Rocha, Manuel Portero-Otin, Antonio Hernández-Mijares, Victor M Victor, Reinald Pamplona
Purpose: In this work, a non-targeted approach was used to unravel changes in the plasma lipidome of PCOS patients. The aim is to offer new insights in PCOS patients strictly selected in order to avoid confounding factors such as dyslipemia, obesity, altered glucose/insulin metabolism, cardiovascular disease, or cancer. Results: Multivariate statistics revealed a specific lipidomic signature for PCOS patients without associated pathologies. This signature implies changes, mainly by down-regulation, in glycerolipid, glycerophospholipid and sphingolipid metabolism suggesting an altered biosynthetic pathway of glycerophospholipids and cell signaling as second messengers in women with PCOS...
January 12, 2018: Oncotarget
https://www.readbyqxmd.com/read/29434814/metformin-and-pioglitazone-combination-therapy-ameliorate-polycystic-ovary-syndrome-through-ampk-pi3k-jnk-pathway
#16
Yuanyuan Wu, Pengfen Li, Dan Zhang, Yingpu Sun
Polycystic ovary syndrome (PCOS) is a common gynecological endocrine disorder, which results in health problems such as menstrual disorders, hyperandrogenism and persistent anovulation. Hyperandrogenism and insulin resistance are the basic characteristics of PCOS. To investigate the combined effect of metformin and pioglitazone on POCS and the potential mechanisms, a rat model of PCOS was established by intramuscular injection of estradiol valerate (EV). The effect of metformin and pioglitazone monotherapy or combination therapy in control rats and PCOS rats was evaluated, involving the testosterone level, follicular development and insulin resistance...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29432996/lncrna-let-inhibits-cell-viability-migration-and-emt-while-induces-apoptosis-by-up-regulation-of-timp2-in-human-granulosa-like-tumor-cell-line-kgn
#17
Qingfang Han, Wenke Zhang, Jinlai Meng, Li Ma, Aihua Li
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine disease characterized by hyperandrogenism, irregular menses, and polycystic ovaries. Several long non-coding RNAs (lncRNAs) are aberrantly expressed in PCOS patients; however, little is known about the effects of the lncRNA-low expression in tumor (lncRNA-LET) on PCOS. We aimed to explore the effects of lncRNA-LET on human granulosa-like tumor cell line, KGN. METHODS: Expression of lncRNA-LET in normal IOSE80 cells and granulosa cells was determined by qRT-PCR...
February 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29432207/prevalence-of-comorbid-conditions-pre-existing-and-diagnosed-at-a-tertiary-care-pediatric-weight-management-clinic
#18
Griselle Leon, Elizabeth de Klerk, Josephine Ho, Michelle Jackman, Raylene A Reimer, Kimberly E Connors, Paola Luca
BACKGROUND: Childhood obesity places individuals at risk for a multitude of physical and mental health problems. The aim of this study was to assess the prevalence of obesity related comorbidities diagnosed prior to and after attending a tertiary care pediatric weight management clinic. METHODS: A cross sectional retrospective chart review of patients 2-17 years old seen in the weight management clinic at Alberta Children's Hospital from May 2012 to May 2014. RESULTS: A total of 199 patients were included in the review...
February 13, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29430154/repeat-dose-of-gonadotropin-releasing-hormone-agonist-trigger-in-polycystic-ovarian-syndrome-undergoing-in-vitro-fertilization-cycles-provides-a-better-cycle-outcome-a-proof-of-concept-study
#19
Krishna Deepika, Pookilath Baiju, Praneesh Gautham, Rathore Suvarna, Vohra Arveen, Rao Kamini
Objective: Is a single dose of gonadotropin-releasing hormone agonist (GnRHa) trigger to induce final oocyte maturation in polycystic ovarian syndrome (PCOS) undergoing in vitro fertilization (IVF) cycles with GnRH antagonist protocol sufficient to provide optimal oocyte maturity? Design: This is a prospective, randomized, double-blind, proof-of-concept study. Setting: This study was carried out at a tertiary care center. Material and Methods: A total of 125 patients diagnosed with PCOS defined as per the ESHRE/ASRM Rotterdam criteria (2003) undergoing IVF in antagonist protocol were randomized into two groups...
October 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29430152/ovulation-induction-using-clomiphene-citrate-using-stair-step-regimen-versus-traditional-regimen-in-polycystic-ovary-syndrome-women-a-randomized-control-trial
#20
K Agrawal, Shalini Gainder, Lakhbir K Dhaliwal, Vanita Suri
Objective: To determine the efficacy of the stair-step protocol (SSP) using clomiphene citrate (CC) in patients with polycystic ovary syndrome (PCOS) and compare it with traditional regimen. Design: This was randomized control trial. Setting: Infertility Clinic. Patients: Sixty infertile PCOS women. Interventions: Patients were randomized into the study (SSP - 30 patients) and control group (traditional protocol - 30 patients)...
October 2017: Journal of Human Reproductive Sciences
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