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https://www.readbyqxmd.com/read/29777228/effects-of-clomiphene-citrate-on-male-obesity-associated-hypogonadism-a-randomized-double-blind-placebo-controlled-study
#1
Andressa Heimbecher Soares, Nidia Celeste Horie, Lucas Augusto Piccinin Chiang, Bruno Caramelli, Mariana Gomes Matheus, Alexandre Holthausen Campos, Luciana Cavalheiro Marti, Fernanda Agostini Rocha, Marcio C Mancini, Elaine Maria Frade Costa, Cintia Cercato
BACKGROUND: Obesity causes secondary hypogonadism (HG) in men. Standard testosterone (T) replacement therapy improves metabolic parameters but leads to infertility. OBJECTIVE: To evaluate clomiphene citrate (CC) treatment of adult men with male obesity-associated secondary hypogonadism (MOSH). DESIGN: Single-center, randomized, double-blind, placebo-controlled trial. PARTICIPANTS: Seventy-eight men aged 36.5 ± 7...
May 17, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29772836/soybean-hop-alleviates-estrogen-deficiency-related-bone-loss-and-metabolic-dysfunction-in-ovariectomized-rats-fed-a-high-fat-diet
#2
Dasom Noh, Yeni Lim, Hansol Lee, Hyejin Kim, Oran Kwon
Soybeans and hops have been traditionally used as a natural estrogen replacement therapy and their major active ingredients, isoflavones and prenylflavanones, are known to have estrogenic/antiestrogenic effects depending on the target organ. However, their potential benefits are still subject to controversies. The present study investigated the dual effect of soy isoflavones plus hop prenylflavanones (Soy-Hop) on bone loss and metabolic dysfunction under estrogen deficient condition. Rats were sham-operated ( n = 10) or ovariectomized (OVX; n = 40) and then fed a high-fat diet (HFD) to develop hyperlipidemia in OVX rats within the experimental period of 8 weeks...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29772467/yawning-and-cortisol-levels-in-multiple-sclerosis-potential-new-diagnostic-tool
#3
Simon B N Thompson, Alister Coleman, Nicola Williams
Yawning is a significant behavioural response and, together with cortisol, is potentially a new diagnostic marker of neurological diseases. Evidence of an association between yawning and cortisol was found which supports the Thompson Cortisol Hypothesis and thermoregulation hypotheses, indication that brain cooling occurs when yawning. 117 volunteers aged 18-69 years were randomly allocated to experimentally controlled conditions to provoke yawning. Thirty-three had been diagnosed with multiple sclerosis. Saliva cortisol samples were collected before and after yawning or after stimuli presentation in the absence of yawning...
May 2, 2018: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29768519/influence-of-growth-hormone-replacement-on-neurological-and-psychomotor-development-case-report
#4
Felipe Motta, Adriana Pasmanik Eisencraft, Lindiane Gomes Crisostomo
The height response to the use of growth hormone in short height cases has already been confirmed in the literature. The influence of the insulin-like growth factor 1 (GH-IGF1) axis components on development, function, regeneration, neuroprotection, cognition, and motor functions has been evaluated in experimental studies and in adults with central nervous system lesions. However, there is still little research on the clinical impact of hormone replacement on neurological and psychomotor development. This report presents the case of a patient with excellent weight-height recovery and, even more surprisingly, neurological and psychomotor development in response to use of growth hormone...
May 14, 2018: Einstein
https://www.readbyqxmd.com/read/29765921/therapeutic-approaches-to-atrophic-vaginitis-in-postmenopausal-women-a-systematic-review-with-a-network-meta-analysis-of-randomized-controlled-trials
#5
Arum Lee, Tae Hee Kim, Hae Hyeog Lee, Yeon Suk Kim, Temuulee Enkhbold, Bora Lee, Yoo Jin Park, Kisung Song
Objectives: Atrophic vaginitis (AV), which is common in postmenopausal women, is characterized by vaginal dryness, dyspareunia, and discomfort. There are a variety of therapeutic agents for the treatment of AV, besides hormone replacement therapy. We performed this systematic review to compare the effectiveness of various therapies for symptom improvement in AV patients. Methods: We searched the Cochrane Library, EMBASE, MEDLINE, and other literature (Google Scholar, Web of Science, and hand search) for studies published between January 2010 and March 2015...
April 2018: Journal of Menopausal Medicine
https://www.readbyqxmd.com/read/29764860/membrane-initiated-estrogen-receptor-signaling-mediates-metabolic-homeostasis-via-central-activation-of-protein-phosphatase-2a
#6
Kazutaka Ueda, Eiki Takimoto, Qing Lu, Pangyen Liu, Nobuaki Fukuma, Yusuke Adachi, Ryo Suzuki, Shengpu Chou, Wendy Baur, Mark J Aronovitz, Andrew S Greenberg, Issei Komuro, Richard H Karas
Women gain weight and their diabetes risk increases as they transition through menopause; these changes can in part be reversed by hormone therapy. However, the underlying molecular mechanisms mediating these effects are unknown. A novel knock-in mouse line with the selective blockade of the membrane-initiated estrogen receptor (ER) pathway was employed, and we found that the lack of this pathway precipitated excessive weight gain and glucose intolerance independent of food intake, and that this was accompanied by impaired adaptive thermogenesis and reduced physical activity...
May 15, 2018: Diabetes
https://www.readbyqxmd.com/read/29763969/hormone-replacement-therapy-for-women-previously-treated-for-endometrial-cancer
#7
REVIEW
Katharine A Edey, Stuart Rundle, Martha Hickey
BACKGROUND: Endometrial cancer is the sixth most common cancer in women worldwide and most commonly occurs after the menopause (75%) (globocan.iarc.fr). About 319,000 new cases were diagnosed worldwide in 2012. Endometrial cancer is commonly considered as a potentially 'curable cancer,' as approximately 75% of cases are diagnosed before disease has spread outside the uterus (FIGO (International Federation of Gynecology and Obstetrics) stage I). The overall five-year survival for all stages is about 86%, and, if the cancer is confined to the uterus, the five-year survival rate may increase to 97%...
May 15, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29763858/the-oncologic-impact-of-hormone-replacement-therapy-in-premenopausal-breast-cancer-survivors-a-systematic-review
#8
REVIEW
Yimeng Wang, Naomi Lewin, Yazan Qaoud, A Nikoo Rajaee, Adena S Scheer
SYNOPSIS: This is the first systematic review to investigate the risk of recurrence in breast cancer survivors <50 years old who have used hormone replacement therapy (HRT). BACKGROUND: The risk of HRT in premenopausal breast cancer survivors is unclear. Due to the higher incidence of estrogen receptor negative tumours in women <50, the potential for HRT to promote breast cancer recurrence may differ from older age groups. METHODS: We performed a search of Medline, EMBASE and CINAHL through June 2016...
May 12, 2018: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29759686/molecular-mechanisms-governing-embryonic-differentiation-of-pituitary-somatotropes
#9
REVIEW
Buffy S Ellsworth, Caitlin E Stallings
Pituitary somatotropes secrete growth hormone (GH), which is essential for normal growth and metabolism. Somatotrope defects result in GH deficiency (GHD), leading to short stature in childhood and increased cardiovascular morbidity and mortality in adulthood. Current hormone replacement therapies fail to recapitulate normal pulsatile GH secretion. Stem cell therapies could overcome this problem but are dependent on a thorough understanding of somatotrope differentiation. Although several transcription factors, signaling pathways, and hormones that regulate this process have been identified, the mechanisms of action are not well understood...
May 11, 2018: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/29758352/prospective-associations-of-c-reactive-protein-crp-levels-and-crp-genetic-risk-scores-with-risk-of-total-knee-and-hip-replacement-for-osteoarthritis-in-a-diverse-cohort
#10
Aladdin H Shadyab, Robert Terkeltaub, Charles Kooperberg, Alexander Reiner, Charles B Eaton, Rebecca D Jackson, Jessica L Krok-Schoen, Rany M Salem, Andrea Z LaCroix
OBJECTIVE: To examine associations of high-sensitivity C-reactive protein (CRP) levels and polygenic CRP genetic risk scores (GRS) with risk of end-stage hip or knee osteoarthritis (OA), defined as incident total hip (THR) or knee replacement (TKR) for OA. DESIGN: This study included a cohort of postmenopausal white, African American, and Hispanic women from the Women's Health Initiative. Women were followed from baseline to date of THR or TKR, death, or December 31, 2014...
May 11, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29757110/massive-pleural-and-pericardial-effusion-due-to-hypothyroidism-in-a-patient-with-a-surgically-treated-thyroid-stimulating-hormone-producing-pituitary-adenoma
#11
Ji-Hoon Lee, MinA Park, Myung Jae Park, Yong Suk Jo
Hypothyroidism is relatively rare etiology of serositis with effusion, but massive pleural effusion is very unusual. This is a report of massive pleural effusion in patient taking methimazole after surgical resection of thyroid-stimulating hormone (TSH)-producing pituitary adenoma (TSHoma). The patient was clinically and biochemically hypothyroid and responded well to discontinuation of methimazole and thyroid hormone replacement therapy. When assessing patients with pleural effusion, we should not rely on laboratory test results alone, as a detailed medical history and thorough physical examination could be more useful...
May 14, 2018: Acta Clinica Belgica
https://www.readbyqxmd.com/read/29752954/regulation-of-the-activins-follistatins-inhibins-axis-by-energy-status-impact-on-reproductive-function
#12
Nikolaos Perakakis, Jagriti Upadhyay, Wael Ghaly, Joyce Chen, Pavlina Chrysafi, Athanasios D Anastasilakis, Christos S Mantzoros
BACKGROUND: We have previously demonstrated that the adipose tissue derived hormone leptin controls reproductive function by regulating the hypothalamic-pituitary-gonadal axis in response to energy deficiency. Here, we evaluate the activins-follistatins-inhibins (AFI) axis during acute (short-term fasting in healthy people) and chronic energy deficiency (women with hypothalamic amenorrhea due to strenuous exercise [HA]) and investigate their relation to leptin and reproductive function in healthy subjects and subjects with HA...
May 9, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29750970/bdnf-infusion-into-the-mpn-mag-is-sufficient-to-restore-copulatory-behavior-in-the-castrated-syrian-hamster
#13
Joe C Brague, Christine N Lenchur, Julia M Hayden, Rachel H Davidson, Kelly Corrigan, Garrett T Santini, Jennifer M Swann
Testosterone plays a key role in the expression of male sex behavior by influencing cellular activity and synapses within the magnocellular medial preoptic nucleus (MPN mag), a sub-nucleus of the medial preoptic area (MPOA) in the Syrian hamster. Although the mechanisms underlying hormonally-induced synaptic plasticity in this region remain elusive, the data suggests that an increase in synaptic density may mediate testosterone's effects on copulation. As brain derived neurotrophic factor (BDNF) plays an integral role in regulating synaptic plasticity and gonadal steroids regulate the levels of BDNF, we hypothesize that BDNF may mediate the effects of gonadal hormones on copulatory behavior...
May 8, 2018: Hormones and Behavior
https://www.readbyqxmd.com/read/29741539/in-response-to-thyroid-hormone-replacement-a-counterblast-to-guidelines
#14
G P Leese, R V Flynn, T M MacDonald, C Schofield, A D Mackie
No abstract text is available yet for this article.
March 2018: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/29739677/soy-isoflavones-improve-cardiovascular-disease-risk-markers-in-women-during-the-early-menopause
#15
T Sathyapalan, M Aye, A S Rigby, N J Thatcher, S R Dargham, E S Kilpatrick, S L Atkin
BACKGROUND: Hormone replacement therapy may be beneficial for cardiovascular disease risk (CVR) in post-menopausal women. Soy isoflavones may act as selective estrogen receptor modulators. The aim of this study was to evaluate whether soy isoflavones had an effect on CVR markers. METHODS: The expected 10-year risk of cardiovascular disease and mortality were calculated as a secondary endpoint from a double blind randomised parallel study involving 200 women (mean age 55 years, Caucasian, Hull, UK, 2012) in the early menopause who were randomised to 15 g soy protein with 66 mg isoflavone (SPI) or 15 g soy protein alone (depleted of all isoflavones; SP) given as a snack bar between meals daily for 6 months...
April 10, 2018: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29738594/bilateral-asymmetric-keratoconus-induced-by-thyrotoxicosis-with-long-term-stability-after-corneal-cross-linking
#16
Ramon Lee, Ahmed El-Massry, Youssef El-Massry, J Bradley Randleman
PURPOSE: To present a case of bilateral, asymmetric keratoconus presenting unilaterally after partial thyroidectomy with delayed presentation in the second eye after thyrotoxicosis, with disease stabilization following corneal cross-linking (CXL). METHODS: Case report and literature review. RESULTS: A 17-year-old girl with a history of Graves' disease underwent partial thyroidectomy without thyroid hormone replacement therapy with normal baseline ophthalmic examination of corrected distance visual acuity (CDVA) of 20/20 and no manifest astigmatism in either eye...
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29736712/cell-based-methods-to-identify-inducers-of-human-pancreatic-beta-cell-proliferation
#17
Courtney A Ackeifi, Ethan A Swartz, Peng Wang
Diabetes is the result of the insufficiency or dysfunction of pancreatic beta cells alone or in combination with insulin resistance. The replacement or regeneration of beta cells can effectively reverse diabetes in humans and rodents. Therefore, the identification of novel small molecules that promote pancreatic beta-cell proliferation is an attractive approach for diabetic therapy. While numerous hormones, small molecules, and growth factors are able to drive rodent beta cells to replicate, only a few small molecules have demonstrated the ability to stimulate human beta-cell proliferation...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29735582/thyroid-hormones-are-transport-substrates-and-transcriptional-regulators-of-organic-anion-transporting-polypeptide-2b1
#18
Henriette E Meyer Zu Schwabedissen, Celio Ferreira, Anima M Schaefer, Mouhssin Oufir, Isabell Seibert, Matthias Hamburger, Rommel G Tirona
Levothyroxine replacement therapy forms the cornerstone of hypothyroidism management. Variability in levothyroxine oral absorption may contribute to the well-recognized large interpatient differences in required dose. Moreover, levothyroxine-drug pharmacokinetic interactions are thought to be caused by altered oral bioavailability. Interestingly, little is known regarding the mechanisms contributing to levothyroxine absorption in the gastrointestinal tract. Here, we aimed to determine whether the intestinal drug uptake transporter Organic Anion Transporting Polypeptide 2B1 (OATP2B1) may be involved in facilitating intestinal absorption of thyroid hormones...
May 7, 2018: Molecular Pharmacology
https://www.readbyqxmd.com/read/29733860/estradiol-mediates-relaxation-of-porcine-lower-esophageal-sphincter
#19
Ching-Chung Tsai, Shu-Leei Tey, Li-Ching Chang, Yu-Tsun Su, Kai-Jen Lin, Shih-Che Huang
Most pregnant women have symptoms of gastroesophageal reflux disease (GERD) during pregnancy. Postmenopausal hormone replacement therapy is associated with GERD. The effects of estradiol on lower esophageal sphincter (LES) motility and GERD are not clearly known. The purpose of this study is to investigate the effects of estradiol on the motility of the porcine LES. Relaxations of clasp and sling strips of porcine LES caused by estradiol were measured using isometric transducers. We investigated the mechanism of estradiol-induced relaxation of the porcine LES using tetraethylammonium, apamine, iberiotoxin, glibenclamide, KT5720, KT5823, NG-nitro-l-arginine, tetrodotoxin, and ω-conotoxin GVIA...
May 5, 2018: Steroids
https://www.readbyqxmd.com/read/29733645/aromatic-based-design-of-highly-active-and-noncalcemic-vitamin-d-receptor-agonists
#20
Pranjal Gogoi, Samuel Seoane, Rita Sigueiro, Thierry Guiberteau, Miguel A Maestro, Roman Perez-Fernandez, Natacha Rochel, Antonio Mouriño
1We report the design, synthesis, biological evaluation and structural analysis of a new class of vitamin D analogs that possess an aromatic m-phenylene D-ring and an alkyl chain replacing the C-ring. A key feature of the synthetic strategy is a stereoselective Pd-catalyzed construction of the triene system in aqueous medium that allows the rapid preparation of small amounts of VDR ligands for biological screening. Analogs with the shorter (2a) and longer (2d, 2e) side chains attached to the triene system have no calcemic activity...
May 7, 2018: Journal of Medicinal Chemistry
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