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https://www.readbyqxmd.com/read/28530065/-the-relationship-between-overweight-obesity-and-knee-osteoarthritis
#1
REVIEW
Tal Frenkel Rutenberg, Michael Drexler
The prevalence of overweight and obesity in the western world is growing, and with it there is a growing number of patients with osteoarthritis, a condition that leads to pain and disability. The association between body weight and osteoarthritis is mediated by both mechanical and humeral factors such as growth factors, hormones and mediators of the immune system. This review will present the mechanisms which lead to osteoarthritis, and will discuss available treatments which are suitable for the overweight and obese population, along with promising emerging new treatments...
November 2016: Harefuah
https://www.readbyqxmd.com/read/28524171/endocrine-disrupting-chemicals-and-fatty-liver-disease
#2
REVIEW
Charles E Foulds, Lindsey S Treviño, Brian York, Cheryl L Walker
A growing epidemic of nonalcoholic fatty liver disease (NAFLD) is paralleling the increase in the incidence of obesity and diabetes mellitus in countries that consume a Western diet. As NAFLD can lead to life-threatening conditions such as cirrhosis and hepatocellular carcinoma, an understanding of the factors that trigger its development and pathological progression is needed. Although by definition this disease is not associated with alcohol consumption, exposure to environmental agents that have been linked to other diseases might have a role in the development of NAFLD...
May 19, 2017: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/28509880/analysis-of-different-approaches-for-the-selection-of-reference-genes-in-rt-qpcr-experiments-a-case-study-in-skeletal-muscle-of-growing-mice
#3
Verónica G Piazza, Andrzej Bartke, Johanna G Miquet, Ana I Sotelo
The reliability of reverse transcription-quantitative PCR (RT-qPCR) results in gene expression studies depends on the approaches used to account for non-biological variations. In order to find a proper normalization strategy for the study of genes related to growth hormone signaling in skeletal muscle of growing mice, nine unrelated genes were evaluated as internal controls. According to the most used algorithms-geNorm, the Comparative ΔCq method, NormFinder and BestKeeper-GSK3B, YWHAZ, RPL13A and RN18S were found as the most stable...
May 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28509627/impact-of-risk-reducing-salpingo-oophorectomy-in-premenopausal-women
#4
R F M Vermeulen, M van Beurden, C M Korse, G G Kenter
OBJECTIVES: To describe implications of premenopausal risk-reducing salpingo-oophorectomy (RRSO) on quality of life, endocrine symptoms, sexual function, osteoporosis, cardiovascular health, metabolic syndrome, cognitive impairment and safety of hormone replacement therapy. METHODS: We searched the following electronic databases: The Cochrane Library, EMBASE, PsycInfo, and MEDLINE. We selected controlled and uncontrolled trials of premenopausal women undergoing RRSO...
June 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/28505371/the-arm-domain-of-armadillo-repeat-kinesin-1-is-not-required-for-microtubule-catastrophe-but-can-negatively-regulate-nima-related-kinase-6-in-arabidopsis-thaliana
#5
Ryan C Eng, Laryssa S Halat, Samuel J Livingston, Tatsuya Sakai, Hiroyasu Motose, Geoffrey Wasteneys
Microtubules are dynamic filaments, the assembly and disassembly of which are under precise control of various associated proteins, including motor proteins and regulatory enzymes. In Arabidopsis thaliana, two such proteins are the ARMADILLO-REPEAT KINESIN 1 (ARK1), which promotes microtubule disassembly, and the NIMA-RELATED KINASE 6 (NEK6), which has a role in organizing microtubule arrays. Previous yeast 2-hybrid and in vitro pull-down assays determined that NEK6 can interact with ARK1 through the latter protein's Armadillo-repeat (ARM) cargo domain...
May 13, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28505246/effects-of-long-term-exogenous-testosterone-administration-on-ovarian-morphology-determined-by-transvaginal-3d-ultrasound-in-female-to-male-transsexuals
#6
Mirte R Caanen, Nienke E Schouten, Esther A M Kuijper, Joukje van Rijswijk, Marleen H van den Berg, Eline van Dulmen-den Broeder, Annelies Overbeek, Flora E van Leeuwen, Mick van Trotsenburg, Cornelis B Lambalk
STUDY QUESTION: Does long-term exogenous testosterone administration result in polycystic ovarian morphology (PCOM), determined by (3D) transvaginal ultrasound (TVU) in female-to-male transsexuals (FtMs). SUMMARY ANSWER: Long-term exogenous testosterone administration in FtMs does not result in PCOM determined by (3D) TVU. WHAT IS KNOWN ALREADY: The role of androgens in the pathophysiology of polycystic ovary syndrome (PCOS) is still unclear...
May 13, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28505102/bone-protective-effects-of-dried-plum-in-postmenopausal-women-efficacy-and-possible-mechanisms
#7
REVIEW
Bahram H Arjmandi, Sarah A Johnson, Shirin Pourafshar, Negin Navaei, Kelli S George, Shirin Hooshmand, Sheau C Chai, Neda S Akhavan
Osteoporosis is an age-related chronic disease characterized by a loss of bone mass and quality, and is associated with an increased risk of fragility fractures. Postmenopausal women are at the greatest risk of developing osteoporosis due to the cessation in ovarian hormone production, which causes accelerated bone loss. As the demographic shifts to a more aged population, a growing number of postmenopausal women will be afflicted with osteoporosis. Certain lifestyle factors, including nutrition and exercise, are known to reduce the risk of developing osteoporosis and therefore play an important role in bone health...
May 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28505092/molecular-characterization-and-expression-profiling-of-tomato-grf-transcription-factor-family-genes-in-response-to-abiotic-stresses-and-phytohormones
#8
Khadiza Khatun, Arif Hasan Khan Robin, Jong-In Park, Ujjal Kumar Nath, Chang Kil Kim, Ki-Byung Lim, Ill Sup Nou, Mi-Young Chung
Growth regulating factors (GRFs) are plant-specific transcription factors that are involved in diverse biological and physiological processes, such as growth, development and stress and hormone responses. However, the roles of GRFs in vegetative and reproductive growth, development and stress responses in tomato (Solanum lycopersicum) have not been extensively explored. In this study, we characterized the 13 SlGRF genes. In silico analysis of protein motif organization, intron-exon distribution, and phylogenetic classification confirmed the presence of GRF proteins in tomato...
May 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28497664/insulin-sensitizers-in-adolescents-with-polycystic-ovary-syndrome
#9
Trang N LE, Edmond P Wickham Iii, John E Nestler
Polycystic ovary syndrome (PCOS) is the most common disorder of androgen excess in women of reproductive age. The diagnosis of PCOS can be more challenging in adolescents than in adult women given significant overlap between normal puberty and the signs of PCOS, including acne, menstrual irregularity, and polycystic ovarian morphology. Optimal treatments for adult women with PCOS vary depending on patient risk factors and reproductive goals, but mainly include hormonal contraception and insulin sensitizers...
May 11, 2017: Minerva Pediatrica
https://www.readbyqxmd.com/read/28496363/prognostic-value-of-histone-chaperone-fact-subunits-expression-in-breast-cancer
#10
Kristopher Attwood, Daria Fleyshman, Laura Prendergast, Geraldine Paszkiewicz, Angela R Omilian, Wiam Bshara, Katerina Gurova
Understanding the underlying reasons for tumor aggressiveness, such as why some tumors grow slowly and locally, while others rapidly progress to a lethal metastatic disease, is still limited. This is especially critical in breast cancer (BrCa) due to its high prevalence and also due to the possibility that it can be detected early. Several oncogenes and tumor suppressors have been identified and are used in the prognosis and treatment of BrCa. However, even with these markers, the outcome within BrCa subtypes is highly variable...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28495834/testosterone-therapy-for-menopausal-women
#11
(no author information available yet)
It has been suggested that there is a link between low circulating concentrations of testosterone and reduced sexual functioning in postmenopausal women,(1) and it has been more than 60 years since the effects of testosterone therapy for the management of menopausal symptoms were first reported.(2) Since then, testosterone supplementation has received growing attention for its potential role in maintaining sexual function in menopausal women. The National Institute for Health and Care Excellence guideline on the diagnosis and management of menopause recommends considering testosterone supplementation for women with low sexual desire if hormone replacement therapy (HRT) alone has been ineffective...
May 2017: Drug and Therapeutics Bulletin
https://www.readbyqxmd.com/read/28488208/erythropoietin-rescues-memory-impairment-in-a-rat-model-of-chronic-cerebral-hypoperfusion-via-the-epo-r-jak2-stat5-pi3k-akt-gsk-3%C3%AE-pathway
#12
Shengli Ma, Juwu Chen, Chen Chen, Na Wei, Jingjing Xu, Guohui Yang, Nan Wang, Yu Meng, Jia Ren, Zongchao Xu
Vascular dementia is the second most common cause of dementia in older people and is characterized by the sudden onset of impairments in thinking skills and behavior, which generally occur following a stroke. Unfortunately, effective therapy for vascular dementia remains inadequate. Erythropoietin (EPO) is a glycoprotein hormone that controls erythropoiesis, or red blood cell production. Recently, a prominent role for EPO has been defined in the nervous system, and there is growing interest in the potential therapeutic use of EPO for neuroprotection...
May 9, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28485680/is-the-calorie-concept-a-real-solution-to-the-obesity-epidemic
#13
Salvador Camacho, Andreas Ruppel
BACKGROUND: The obesity epidemic has been growing steadily across the whole world, and so far not a single country has been able to reverse it. The cause of obesity is stated by the World Health Organization as an energy imbalance between calories consumed and calories expended. However, growing evidence suggests that the calorie imbalance concept may not be sufficient to manage and reverse the obesity epidemic. OBJECTIVE: To discuss the use of the calorie imbalance concept and its elements as a tool for weight management as well as its possible negative consequences and implications for public health, with the aim to point toward the need of an updated concept for causes of obesity...
2017: Global Health Action
https://www.readbyqxmd.com/read/28484728/pretreatment-prostate-specific-antigen-doubling-time-as-prognostic-factor-in-prostate-cancer-patients
#14
Gennady M Zharinov, Oleg A Bogomolov, Natalia N Neklasova, Vladimir N Anisimov
Despite the prostate-specific antigen (PSA) serum level commonly uses as tumor marker in diagnosis of prostate cancer, it seems that PSA doubling time (PSADT) could be more useful indicator of tumor behavior and of prognosis for patients. The results of hormone and radiation therapy were evaluated for 912 prostate cancer having at least 2 PSA tests before the treatment was started. Clustering procedure (selection of homogenous group) was performed by using PSADT as the classification marker. The rate of PSADT was estimated for different dissemination rate, age, Gleasons's score and education level...
January 2017: Oncoscience
https://www.readbyqxmd.com/read/28484596/association-of-growth-rate-with-hormone-levels-and-myogenic-gene-expression-profile-in-broilers
#15
Yingping Xiao, Choufei Wu, Kaifeng Li, Guohong Gui, Guolong Zhang, Hua Yang
BACKGROUND: The growth rate often varies among individual broilers of the same breed under a common management condition. To investigate whether a variation in the growth rate is associated with a difference in hormone levels and myogenic gene expression profile in broilers, a feeding trial was conducted with 10,000 newly hatched Ross 308 chicks in a commercial production facility under standard management. At 38 d of age, 30 fast-, 30 medium-, and 30 slow-growing broilers were selected among 600 healthy male individuals...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28479142/role-of-addiction-and-stress-neurobiology-on-food-intake-and-obesity
#16
Rajita Sinha
The US remains at the forefront of a global obesity epidemic with a significant negative impact on public health. While it is well known that a balance between energy intake and expenditure is homeostatically regulated to control weight, growing evidence points to multifactorial social, neurobehavioral and metabolic determinants of food intake that influence obesity risk. This review presents factors such as the ubiquitous presence of rewarding foods in the environment and increased salience of such foods that stimulate brain reward motivation and stress circuits to influence eating behaviors...
May 4, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28476224/molecular-and-genetic-aspects-of-congenital-isolated-hypogonadotropic-hypogonadism
#17
REVIEW
Lorena Guimaraes Lima Amato, Ana Claudia Latronico, Leticia Ferreira Gontijo Silveira
Congenital isolated hypogonadotropic hypogonadism (IHH) is a clinically and genetically heterogenous disorder characterized by abnormal synthesis, secretion, or action of gonadotropin-releasing hormone, a key hypothalamic decapeptide that orchestrates the reproductive axis. Several modes of inheritance have been identified. A growing list of causative genes has been implicated in the molecular pathogenesis of syndromic and nonsyndromic IHH, largely contributing for better understanding the complex neuroendocrine control of reproduction...
June 2017: Endocrinology and Metabolism Clinics of North America
https://www.readbyqxmd.com/read/28471535/ovarian-reserve-after-salpingectomy-a-systematic-review-and-meta-analysis
#18
REVIEW
Ahmed Aboelfadle Mohamed, Ali Haroun Yosef, Cathryn James, Tarek Khalaf Al-Hussaini, Mohamed Ali Bedaiwy, Saad Ali K S Amer
INTRODUCTION: Although there has been a growing concern over the possible damaging effect of salpingectomy on ovarian reserve, this issue remains uncertain. The purpose of this meta-analysis was to test the hypothesis that salpingectomy may compromise ovarian reserve. MATERIAL AND METHODS: A detailed search was conducted using MEDLINE, Embase, Dynamed Plus, ScienceDirect, TRIP database and the Cochrane Library from January 2000 to November 2016. All cohort, cross-sectional and randomized controlled studies investigating changes in circulating anti-Müllerian hormone (AMH) after salpingectomy were considered...
March 17, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28460567/human-mesenchymal-stem-cells-partially-reverse-infertility-in-chemotherapy-induced-ovarian-failure
#19
Sara A Mohamed, Shahinaz M Shalaby, Mohamed Abdelaziz, Soumia Brakta, William D Hill, Nahed Ismail, Ayman Al-Hendy
INTRODUCTION: Chemotherapy is the most commonly used modality to treat human cancers; however, in many cases it causes irreversible ovarian failure. In this work, we plan to evaluate the restorative function of human bone marrow mesenchymal stem cells (BMSCs) in a chemotherapy-induced ovarian failure mouse model. METHODS: Acclimatized 4 to 6 week-old female mice (C57BL/6) were assigned randomly to a vehicle-treated control group (group 1), chemotherapy-treated group followed by vehicle alone (group 2), or chemotherapy-treated group followed by stem cell intraovarian injection (group 3)...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28455658/hemodialysis-is-associated-with-higher-serum-fgf23-level-when-compared-with-peritoneal-dialysis
#20
Shuhong Bi, Yaoxian Liang, Litao Cheng, Yue Wang, Tao Wang, Qinfeng Han, Aihua Zhang
BACKGROUND: Considering the growing relevance of fibroblast growth factor-23 (FGF23) and increased cardiovascular mortality in dialysis population, an analysis was performed to assess the influence of dialysis modality (peritoneal dialysis and hemodialysis) on level of FGF23. METHODS: A cross-sectional study was performed in 80 continuous ambulatory peritoneal dialysis (CAPD) and 65 hemodialysis (HD) patients without residual renal function. Levels of calcium, phosphate, parathyroid hormone and FGF23 were measured, and their correlations were analyzed...
April 28, 2017: International Urology and Nephrology
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