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https://www.readbyqxmd.com/read/27862853/lesbian-and-bisexual-women-s-gynaecological-conditions-a-systematic-review-and-exploratory-meta-analysis
#1
REVIEW
K Robinson, K Y Galloway, S Bewley, C Meads
BACKGROUND: Little is known about the gynaecological health of lesbian and bisexual (LB) women. OBJECTIVES: To examine differences in incidence and/or prevalence of gynaecological conditions in LB compared with heterosexual women. SEARCH STRATEGY: The systematic review protocol was prospectively registered (PROSPERO-CRD42015027091) and searches conducted in seven databases. SELECTION CRITERIA: Comparative studies published 2000-2015, reporting any benign (non-infectious) and/or malignant gynaecological conditions with no language or setting restrictions...
November 15, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27836688/pathologic-significance-of-set-i2pp2a-mediated-pp2a-and-non-pp2a-pathways-in-polycystic-ovary-syndrome-pcos
#2
REVIEW
Shi-Wen Jiang, Siliang Xu, Haibin Chen, Xiaoqiang Liu, Zuoqing Tang, Yugui Cui, Jiayin Liu
SET (SE translocation, SET), a constitutive inhibitor of protein phosphatase 2A (PP2A), is a multifunctional oncoprotein involved in DNA replication, histone modification, nucleosome assembly, gene transcription and cell proliferation. It is widely expressed in human tissues including the gonadal system and brain. Intensive studies have shown that overexpressed SET plays an important role in the development of Alzheimer's disease (AD), and may also contribute to the malignant transformation of breast and ovarian cancers...
November 9, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27821561/the-ovarian-renin-angiotensin-system-ovras-a-major-factor-in-ovarian-function-and-disease
#3
Angela Palumbo, Julio Ávila, Frederick Naftolin
This contribution summarizes the pivotal role of the ovarian renin-angiotensin system (OVRAS) in ovarian physiology and disease, with particular emphasis on human clinical implications and established translational applications. The presence of a complete OVRAS in all studied species has been known for decades. The OVRAS has major effects on follicle development/atresia and ovulation and steroid hormone secretion, that is, it is necessary for normal reproduction. It is well established that OVRAS activity is regulated by gonadotropins and depends on activation of proteases in the area of growing follicles...
December 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27817040/female-infertility-infertility-associated-diagnoses-and-comorbidities-a-review
#4
REVIEW
Brent Hanson, Erica Johnstone, Jessie Dorais, Bob Silver, C Matthew Peterson, James Hotaling
PURPOSE: The purpose of the study is to evaluate existing literature for possible associations between female infertility, infertility-associated diagnoses, and the following areas of disease: psychiatric disorders, breast cancer, ovarian cancer, endometrial cancer, cardiovascular disease, and metabolic dysfunction. METHODS: The design of the study is a literature review. The patients were women included in 26 selected studies due to a diagnosis of infertility or a reproductive disorder associated with infertility...
November 5, 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27801385/a-review-of-metabolic-syndrome-research-in-malaysia
#5
K G Lim, W K Cheah
Seventy-three articles related to metabolic syndrome were found in a search through databases dedicated to indexing all literature with original data involving the Malaysian population between years 2000 and 2015. Metabolic syndrome affects 25 to 40% of adult population of Malaysia with the risk increasing with age. Obese children are also at risk. Indian ethnicity has the highest rates, followed by Malay and chinese. It was found that socioeconomics determinants such as living in urban areas, unemployment, lower income, lower education level and shift workers had higher prevalence of metabolic syndrome...
June 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/27798047/common-diseases-as-determinants-of-menopausal-age
#6
Jingmei Li, Mikael Eriksson, Kamila Czene, Per Hall, Kenny A Rodriguez-Wallberg
STUDY QUESTION: Can the diagnosis of common diseases before menopause influence age at natural menopause (ANM) onset? SUMMARY ANSWER: Polycystic ovary syndrome (PCOS) and depression were observed to delay menopause. WHAT IS KNOWN ALREADY: It has been observed that women who undergo early menopause experience a higher burden of health problems related to metabolic syndromes, heart disease and depression, but whether ANM can be influenced by common adult diseases has not been studied extensively...
October 18, 2016: Human Reproduction
https://www.readbyqxmd.com/read/27775603/zinc-finger-and-x-linked-factor-zfx-binds-to-human-set-transcript-2-promoter-and-transactivates-set-expression
#7
Siliang Xu, Ping Duan, Jinping Li, Tristan Senkowski, Fengbiao Guo, Haibin Chen, Alberto Romero, Yugui Cui, Jiayin Liu, Shi-Wen Jiang
SET (SE Translocation) protein carries out multiple functions including those for protein phosphatase 2A (PP2A) inhibition, histone modification, DNA repair, and gene regulation. SET overexpression has been detected in brain neurons of patients suffering Alzheimer's disease, follicle theca cells of Polycystic Ovary Syndrome (PCOS) patients, and ovarian cancer cells, indicating that SET may play a pathological role for these disorders. SET transcript 2, produced by a specific promoter, represents a major transcript variant in different cell types...
October 20, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27773356/polycystic-ovary-syndrome-and-endometrial-hyperplasia-an-overview-of-the-role-of-bariatric-surgery-in-female-fertility
#8
Vasileios Charalampakis, Abd A Tahrani, Ahmed Helmy, Janesh K Gupta, Rishi Singhal
One of the most effective methods to tackle obesity and its related comorbidities is bariatric surgery. Polycystic ovary syndrome (PCOS) and endometrial hyperplasia (EH), which are associated with increased risk of endometrial carcinoma, have been identified as potentially new indications for bariatric surgery. PCOS is the most common endocrine disorder in women in the reproductive age and is associated with several components of the metabolic syndrome such as obesity, insulin resistance and hypertension. EH is a pre-cancerous condition which arises in the presence of chronic exposure to estrogen unopposed by progesterone such as both in PCOS and obesity...
October 17, 2016: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/27725832/insulin-sensitizers-polycystic-ovary-syndrome-and-gynaecological-cancer-risk
#9
Rosa Lauretta, Giulia Lanzolla, Patrizia Vici, Luciano Mariani, Costanzo Moretti, Marialuisa Appetecchia
Preclinical, early phase clinical trials and epidemiological evidence support the potential role of insulin-sensitizers in cancer prevention and treatment. Insulin-sensitizers improve the metabolic and hormonal profile in PCOS patients and may also act as anticancer agents, especially in cancers associated with hyperinsulinemia and oestrogen dependent cancers. Several lines of evidence support the protection against cancer exerted by dietary inositol, in particular inositol hexaphosphate. Metformin, thiazolidinediones, and myoinositol postreceptor signaling may exhibit direct inhibitory effects on cancer cell growth...
2016: International Journal of Endocrinology
https://www.readbyqxmd.com/read/27668199/the-association-between-polycystic-ovary-syndrome-and-breast-cancer-a-meta-analysis
#10
Fatemeh Shobeiri, Ensiyeh Jenabi
OBJECTIVE: The results of epidemiological studies investigated the association between polycystic ovary syndrome (PCOS) and the breast cancer are inconsistent. This meta-analysis was conducted to estimate the association between PCOS and the breast cancer risk. We searched PubMed, Web of Science, and Scopus for observational studies until June 2015. Data were independently extracted and analyzed using 95% odds ratio, and confidence intervals (CIs) based on the random-effects models. METHODS: We identified 970 references and conducted eight studies with 45,470 participants and 243,064 person- year...
September 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27667654/long-and-irregular-menstrual-cycles-polycystic-ovary-syndrome-and-ovarian-cancer-risk-in-a-population-based-case-control-study
#11
H R Harris, L J Titus, D W Cramer, K L Terry
Long and irregular menstrual cycles, a hallmark of polycystic ovary syndrome (PCOS), have been associated with higher androgen and lower sex hormone binding globulin levels and this altered hormonal environment may increase the risk of specific histologic subtypes of ovarian cancer. We investigated whether menstrual cycle characteristics and self-reported PCOS were associated with ovarian cancer risk among 2,041 women with epithelial ovarian cancer and 2,100 controls in the New England Case-Control Study (1992-2008)...
January 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27664517/the-metabolic-fate-and-receptor-interaction-of-16%C3%AE-hydroxyprogesterone-and-its-5%C3%AE-reduced-metabolite-16%C3%AE-hydroxy-dihydroprogesterone
#12
Desmaré van Rooyen, Therina du Toit, Renate Louw-du Toit, Donita Africander, Pieter Swart, Amanda C Swart
16α-hydroxyprogesterone (16OHP4) is not well characterised in terms of metabolism and receptor interaction. We therefore investigated its metabolism by adrenal CYP11B and peripheral steroidogenic enzymes, SRD5A and AKR1C2. UHPLC-MS/MS analyses identified novel steroids: the biosynthesis of 4-pregnen-11β,16α-diol-3,20-dione catalysed by CYP11B2; the 5α-reduction of the latter and 16OHP4 catalysed by SRD5A yielding 5α-pregnan-11β,16α-diol-3,20-diovne and 5α-pregnan-16α-ol-3,20-dione (16OH-DHP4); and 16OH-DHP4 converted by AKR1C2 to 5α-pregnan-3α,16α-diol-20-one...
September 21, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27644611/sexual-dysfunction-in-patients-with-polycystic-ovary-syndrome-in-malaysia
#13
Sareh Dashti, Latiffah A Latiff, Habibah Abdul Hamid, Suriani Mohamad Sani, Mehrnoosh Akhtari-Zavare, Azrin Shah Abu Bakar, Nur Amirah Inani Binti Sabri, Maimunah Ismail, Ali Jafarzadeh Esfehani
BACKGROUND: Polycystic ovary syndrome (PCOS) is a combination of chronic anovulation, obesity, and hyperandrogenism and can affect sexual function in women of reproductive age. It is also associated with endometrial cancer. Our aim was to evaluate the frequency and predisposing factors of sexual dysfunction in PCOS patients. MATERIALS AND METHODS: In this cross-sectional study, 16 married women with a definite diagnosis of PCOS were recruited. Sexual function was assessed in the domains of desire, arousal, lubrication, orgasm, satisfaction and pain using the female sexual function index (FSFI) questionnaire...
2016: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/27613818/role-of-the-pi3k-akt-signaling-pathway-in-the-pathogenesis-of-polycystic-ovary-syndrome
#14
Tiantian Li, Hui Mo, Wenfeng Chen, Li Li, Yao Xiao, Jing Zhang, Xiaofang Li, Ying Lu
This review aimed to focus on the recent progress of the understanding of the role of phosphatidylinositol 3-kinase (PI3K) in polycystic ovary syndrome (PCOS). In recent years, it has been increasingly recognized that PI3K plays an important role in PCOS whose pathogenesis is unclear. However, research continues into revealing the details of how PI3Ks are involved in developing PCOS. Previous studies have shown that activation of the PI3K-protein kinase B (Akt) signaling pathway has important effects on insulin resistance and endometrial cancer...
September 9, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27601016/management-of-endocrine-disease-morbidity-in-polycystic-ovary-syndrome
#15
Dorte Glintborg, Marianne Andersen
Polycystic ovary syndrome (PCOS) is the most prevalent endocrine condition in premenopausal women. The syndrome is characterized by hyperandrogenism, irregular menses and polycystic ovaries when other etiologies are excluded. Obesity, insulin resistance and low vitamin D levels are present in more than 50% patients with PCOS, these factors along with hyperandrogenism could have adverse effects on long term health. Hyperinflammation and impaired epithelial function were reported to a larger extent in women with PCOS and could particularly be associated with hyperandrogenism, obesity and insulin resistance...
September 6, 2016: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27548360/ten-challenges-in-contraception
#16
Audrey Binette, Kerry Howatt, Ashley Waddington, Robert L Reid
Despite the introduction of promising products into the contraceptive market, the rate of unintended pregnancies remains high. Women with underlying medical conditions should have access to safe and effective contraceptive methods for various reasons, including the potential deleterious effect of the disease on the pregnancy or the effect of the pregnancy on the disease process. Healthcare providers are often confronted with cases in which contraception counseling is problematic due to controversial evidence and persistent myths...
August 22, 2016: Journal of Women's Health
https://www.readbyqxmd.com/read/27514712/altered-steroid-metabolism-and-insulin-signaling-in-pcos-endometria-impact-in-tissue-function
#17
Lorena Oróstica, Carlos Rosas, Francisca Plaza-Parrochia, Isis Astorga, Fernando Gabler, Víctor García, Carmen Romero, Margarita Vega
BACKGROUND: Polycystic Ovary Syndrome (PCOS) is a prevalent endocrine/ metabolic disorder characterized by hyperandrogenemia and in most cases, by hyperinsulinemia in addition to obesity. Besides ovarian dysfunction, endometrial physiology is also disrupted since this tissue is highly dependent on the action of steroids; in case of conception cycles, high percentage of abortion is observed. Because of the endocrine/metabolic alterations, PCOS-women present high probability to develop hyperplasia and endometrial cancer, where an imbalance of cell proliferation/apoptosis processes is detected...
2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27510637/polycystic-ovary-syndrome
#18
Ricardo Azziz, Enrico Carmina, ZiJiang Chen, Andrea Dunaif, Joop S E Laven, Richard S Legro, Daria Lizneva, Barbara Natterson-Horowtiz, Helena J Teede, Bulent O Yildiz
Polycystic ovary syndrome (PCOS) affects 5-20% of women of reproductive age worldwide. The condition is characterized by hyperandrogenism, ovulatory dysfunction and polycystic ovarian morphology (PCOM) - with excessive androgen production by the ovaries being a key feature of PCOS. Metabolic dysfunction characterized by insulin resistance and compensatory hyperinsulinaemia is evident in the vast majority of affected individuals. PCOS increases the risk for type 2 diabetes mellitus, gestational diabetes and other pregnancy-related complications, venous thromboembolism, cerebrovascular and cardiovascular events and endometrial cancer...
2016: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/27459445/contributions-of-the-nurses-health-studies-to-reproductive-health-research
#19
Jorge E Chavarro, Janet W Rich-Edwards, Audrey J Gaskins, Leslie V Farland, Kathryn L Terry, Cuilin Zhang, Stacey A Missmer
OBJECTIVES: To review the Nurses' Health Study's (NHS's) contribution to identifying risk factors and long-term health consequences of reproductive events. METHODS: We performed a narrative review of the NHS I, NHS II, NHS3, and Growing Up Today Study (GUTS) publications between 1976 and 2016. RESULTS: Collection of detailed reproductive history to identify breast cancer risk factors allowed the NHS to document an association between menstrual irregularities, a proxy for polycystic ovary syndrome (PCOS), and increased risk of diabetes and cardiovascular disease...
September 2016: American Journal of Public Health
https://www.readbyqxmd.com/read/27412301/do-advanced-glycation-end-products-ages-contribute-to-the-comorbidities-of-polycystic-ovary-syndrome-pcos
#20
Aleksandra Zofia Rutkowska, Evanthia Diamanti-Kandarakis
Advanced glycation end products (AGEs) are formed both during the endogenous and exogenous reactions and are implicated in the process of ageing, pathogenesis of diabetes, atherosclerosis, female fertility, and cancers. Food and smoking are the most important sources of exogenous AGEs in daily life. The biochemical composition of meal, cooking methods, time and temperature of food preparation may impact AGEs formation, therefore Western-type diet, rich in animal-derived products as well as in fast foods seems to be the main source of AGEs...
2016: Current Pharmaceutical Design
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