نتایج جستجو برای: pcos

تعداد نتایج: 4855  

2014
Chun-mei Zhang Yue Zhao Rong Li Yang Yu Li-ying Yan Li Li Na-na Liu Ping Liu Jie Qiao

BACKGROUND Polycystic ovary syndrome (PCOS) is a heterogeneous endocrine disorder frequently accompanied by obesity and by insulin resistance, and patients with this syndrome suffer from infertility and poor pregnancy outcome. Disturbances in plasma amino acid (AA) metabolism have been implicated in women with PCOS. However, direct evidence on follicular AA metabolic profiles in PCOS patients a...

Journal: :The Journal of clinical endocrinology and metabolism 1999
C B Book A Dunaif

Polycystic ovary syndrome (PCOS) is characterized by hyperandrogenemia that is amplified by insulin in the presence of resistance to insulin's action to stimulate glucose uptake in muscle and fat. To explore the mechanisms for this paradox, we examined the metabolic and mitogenic actions of insulin and insulin-like growth factor I (IGF-I) in cultured skin fibroblasts from PCOS (n = 16) and cont...

Journal: :Human reproduction 2006
Evanthia Diamanti-Kandarakis Thomas Paterakis Krystallenia Alexandraki Christina Piperi Athanasios Aessopos Ilias Katsikis Nikolaos Katsilambros George Kreatsas Dimitrios Panidis

BACKGROUND Women with polycystic ovary syndrome (PCOS) have an increased prevalence of insulin resistance (IR) and related disorders. Elevated serum levels of cellular adhesion molecules (CAMs) reflect low-grade chronic inflammation and have been associated with several insulin-resistant states. The objective of this study is to investigate whether soluble inflammatory markers [soluble intercel...

2014
Golnaz Rajaeieh Mohamadreza Marasi Zahra Shahshahan Fatemmeh Hassanbeigi Seied Morteza Safavi

BACKGROUND Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in reproductive women. Nearly 10% of young women in this period involved. Although factors such as Insulin Resistance, hyper insulinemia, obesity and dietary are suggested to be associated with PCOS, cause of PCOS is not completely understood. Dairy products (a key component of the usual diet) of participants can ...

2016
Michael J. Simmonds Nikki Milne Kee Ong Emily Brotherton Antony P. McNamee Jarod Horobin Surendran Sabapathy

Classic features of polycystic ovary syndrome (PCOS) include derangement of metabolic and cardiovascular health, and vascular dysfunction is commonly reported. These comorbidities indicate impaired blood flow; however, other than limited reports of increased plasma viscosity, surprisingly little is known regarding the physical properties of blood in PCOS. We aimed to investigate whether haemorh...

Journal: :Canadian family physician Medecin de famille canadien 2007
Sue D Pedersen Sony Brar Peter Faris Bernard Corenblum

OBJECTIVE To construct and validate a questionnaire for use in diagnosis of polycystic ovary syndrome (PCOS). DESIGN All participants completed a questionnaire, which asked clinical questions designed to assist in the diagnosis of PCOS, before their appointments with an endocrinologist. Following completion of the questionnaire, the endocrinologist (blinded to the answers) made or excluded a ...

Journal: :Human reproduction 2008
M O Goodarzi J F Maher J Cui X Guo K D Taylor R Azziz

BACKGROUND Human homologs (FEM1A, FEM1B, FEM1C) of nematode sex determination genes are candidate genes for polycystic ovary syndrome (PCOS). We previously identified a FEM1A mutation (H500Y) in a woman with PCOS; FEM1B has been implicated in insulin secretion. METHODS Women with and without PCOS (287 cases, 187 controls) were genotyped for H500Y and six FEM1A single nucleotide polymorphisms ...

2007
Ansam A. Al-Bayatti

Background: Polycystic ovary syndrome (PCOS) is the most common endocrinopathy affecting 5-10% of premenopausal women. 50-90% characterized by insulin resistance. Obesity is common among patient with PCOS. Objective: To investigate insulin resistance (IR) and β cell function (βF) in upper body obese women with PCOS. Materials and Methods: 51 Iraqi women with PCOS and 25 healthy age-matched cont...

Journal: :European journal of endocrinology 2016
Renato Pasquali Evanthia Diamanti-Kandarakis Alessandra Gambineri

PCOS is a clinical heterogeneous entity of female androgen excess diagnosed by exclusion of other disorders responsible for androgen excess. The concept of secondary PCOS implies that there is a primary well-defined cause leading to the PCOS phenotype with underlying androgen overproduction, regardless of the origin. In these cases, we presume the term of 'secondary PCOS' could be used. In all ...

2013
Nicolas Galazis Nikolina Docheva Kypros H. Nicolaides William Atiomo

BACKGROUND Preterm Birth (PTB) is a major cause of neonatal mortality and morbidity. Women with Polycystic Ovary Syndrome (PCOS) are at high risk of PTB. There is a need for research studies to investigate the mechanisms linking PCOS and PTB, to facilitate screening, and develop novel preventative strategies. OBJECTIVE To list all the proteomic biomarkers of PTB and integrate this list with t...

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