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https://www.readbyqxmd.com/read/28646567/severe-menses-associated-hypertension-successfully-treated-with-gonadotropin-releasing-hormone-agonist
#1
Luke J Laffin, Munnam S Jafar, George L Bakris
A case of a 32-year-old nulliparous white woman referred for a 5-year history of severe hypertension, hypokalemia, and resultant systolic dysfunction is presented. She additionally had a left ventricular ejection fraction of 30% including left ventricular dilation and normal left ventricular mass index, as measured by cardiac magnetic resonance imaging when she initially presented to us. Her history revealed that her severe hypertension episodes were monthly and would occur around the catamenial (menses-associated) time...
June 23, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28642037/testosterone-regulates-3t3-l1pre-adipocyte-differentiation-and-epididymal-fat-accumulation-in-mice-through-modulating-macrophage-polarization
#2
Xiaojiao Ren, Xiaojian Fu, Xinhua Zhang, Shiqiang Chen, Shuguang Huang, Lun Yao, Guoquan Liu
Low testosterone levels are strongly related to obesity in males. The balance between the classically M1 and alternatively M2 polarized macrophages also plays a critical role in obesity. It is not clear whether testosterone regulates macrophage polarization and then affects adipocyte differentiation. In this report, we demonstrate that testosterone strengthens interleukin (IL) -4-induced M2 polarization and inhibits lipopolysaccharide (LPS) -induced M1 polarization, but has no direct effect on adipocyte differentiation...
June 19, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#3
Asmaa Ms Gomaa, Nasser S Abou Khalil, Mohammed A Abdel-Ghani
There is an increasing concern over male reproductive toxicity caused by lead exposure. Folic acid (FA) is supposed to be a promising therapeutic strategy against lead toxicity. Therefore, the aim of this experimental study was to shed light on the potential protective role of FA on lead-induced testicular dysfunction in rats and its possible underlying mechanistic pathways. Rats (n = 24) were divided into four groups: Control, FA, Lead, and FA+Lead group. After 4 weeks, lead intoxication resulted in a marked reduction in the relative testicular weight and the serum level of testosterone, an impairment in the characters of semen analysis, and an increased content of lead, malondialdehyde and both interleukin-6 and -10 and a decreased antioxidant enzyme levels in the testicular tissue homogenate...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28625114/the-role-of-testosterone-supplemental-therapy-in-opioid-induced-hypogonadism-a-retrospective-pilot-analysis
#4
Omer A Raheem, Sunil H Patel, David Sisul, Tim J Furnish, Tung-Chin Hsieh
Chronic opioid therapy for pain management is known to induce several endocrine changes. The authors examined the effect of testosterone supplemental therapy (TST) in patients with chronic, noncancer pain undergoing opioid therapy. It was hypothesized that treatment of opioid-induced hypogonadism (OIH) can reduce opioid requirements in patients suffering from chronic pain and approve their quality of life. Over 18 months period, patients with OIH were identified in a tertiary referral pain center, Numerical Rating Scale (NRS) pain scores and daily morphine equivalent dose (MED) were the primary outcomes measured...
July 2017: American Journal of Men's Health
https://www.readbyqxmd.com/read/28620296/testosterone-propionate-exacerbates-the-deficits-of-nigrostriatal-dopaminergic-system-and-downregulates-nrf2-expression-in-reserpine-treated-aged-male-rats
#5
Rui Cui, Yunxiao Kang, Li Wang, Shuangcheng Li, Xiaoming Ji, Wensheng Yan, Guoliang Zhang, Huixian Cui, Geming Shi
There is a controversy over the effects of testosterone supplements on dopaminergic function. Both neuroprotective and toxic effects of testosterone supplements are reported. The status of oxidative stress seems to explain the neuroprotective or toxic properties of testosterone. To determine the efficacy of testosterone supplements in different status of oxidative stress, the present studies analyzed the dopamine (DA)-related behaviors and neurochemical indices, as well as markers of nigrostriatal dopaminergic (NSDA) system in reserpine-treated aged male rats followed by testosterone propionate (TP) supplements...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28617846/a-metabolite-of-leucine-%C3%AE-hydroxy-%C3%AE-methylbutyrate-given-to-sows-during-pregnancy-alters-bone-development-of-their-newborn-offspring-by-hormonal-modulation
#6
Tomasz Blicharski, Ewa Tomaszewska, Piotr Dobrowolski, Monika Hułas-Stasiak, Siemowit Muszyński
The effects of dietary β-hydroxy-β-methylbutyrate (HMB) supplementation during gestation on bone, growth plate, and articular cartilage in newborns were determined. Thermal analysis of articular cartilage was performed to examine the structural changes in collagen. At day 70 of gestation, a total of 12 sows (Large White Polish breed, at the second parity) were randomly assigned to two groups, with each group receiving either a basal diet or the same diet supplemented with 0.2 g/day HMB until the 90th day...
2017: PloS One
https://www.readbyqxmd.com/read/28616771/androgen-supplementation-improves-some-but-not-all-aspects-of-immune-senescence-in-aged-male-macaques
#7
Maham Rais, Randall M Wilson, Henryk F Urbanski, Ilhem Messaoudi
Aging leads to a progressive decline in immune function commonly referred to as immune senescence, which results in increased incidence and severity of infection. In addition, older males experience a significant disruption in their levels of circulating androgens, notably testosterone and dehydroepiandrosterone (DHEA), which has been linked to sarcopenia, osteoporosis, cardiovascular disease, and diabetes. Since sex steroid levels modulate immune function, it is possible that the age-related decline in androgen levels can also affect immune senescence...
June 14, 2017: GeroScience
https://www.readbyqxmd.com/read/28615280/age-associated-gene-expression-changes-in-the-arcuate-nucleus-of-male-rhesus-macaques
#8
Dominique Eghlidi, Vasilios Garyfallou, Steven Kohama, Henryk F Urbanski
The hypothalamic arcuate nucleus (ARC) represents a major component of the neuroendocrine reproductive axis, and plays an important role in controlling the onset of puberty as well as age-associated reproductive senescence. Although significant gene expression changes have been observed in the ARC during sexual maturation it is unclear what changes occur during aging, especially in males. Therefore, in the present study we profiled the expression of reproduction-related genes in the ARC of young and old male rhesus macaques, as well as old males that had received 6 months of hormone supplementation (HS) in the form of daily testosterone and dehydroepiandrosterone; we also compared morning versus night ARC gene expression in the old males...
June 14, 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28610826/structural-ultrastructural-and-immunohistochemical-evidence-of-testosterone-effects-and-its-ablation-on-the-bulbourethal-gland-of-the-artibeus-planirostris-bat-chiroptera-mammalia
#9
Cíntia C I Puga, Mateus R Beguelini, Eliana Morielle-Versute, Patricia S L Vilamaior, Sebastião R Taboga
This study evaluated the effects of testosterone in the bulbourethral glands (BG) of the bat, Artibeus planirostris, by performing castration and posterior hormonal supplementation of the animals. The results showed a decrease in testosterone levels in animals 15days after castration, which induced a small reduction in epithelium height, percentage of AR+ cells, and an increase in the amount of basal cells. This reduction became more severe in groups castrated for longer periods (19 and 22days), where there was also an increase in apoptotic cells...
June 10, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28607572/gastrodia-elata-blume-rhizome-aqueous-extract-improves-arterial-thrombosis-dyslipidemia-and-insulin-response-in-testosterone-deficient-rats
#10
Min Jung Kim, Hye Jeong Yang, Bo Reum Moon, Ji Eun Kim, Kang Sung Kim, Sunmin Park
Testosterone deficiency deteriorates glucose and lipid metabolism with reducing muscle mass. We investigated whether the consumption of water extracts of Gastrodia elata Blume rhizome (GEB) rich in gastrodin would reduce the symptoms of testosterone deficiency and improve blood flow in orchidectomized (ORX) rats. ORX rats were given high-fat diets supplemented with either 1% cellulose (ORX-control), 0.3% GEB (GEB-L), or 1% GEB (GEB-H) for 8 weeks. Sham-operated rats were fed the same diet as OVX-control rats (normal-control)...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28595797/chromium-supplementation-and-polycystic-ovary-syndrome-a-systematic-review-and-meta-analysis
#11
Siavash Fazelian, Mohamad H Rouhani, Sahar Saraf Bank, Reza Amani
INTRODUCTION: polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women. Some vitamins and mineral can play role in improvement of PCOS. Chromium (Cr) is an essential element in glucose and insulin homeostasis. However, findings are not consistent regarding PCOS improvement. Therefore, the purpose of this paper was to assess the effect of Cr supplementation in PCOS that have not yet fully been elucidated. METHODS: We searched ISI Web of Science, MEDLINE (1966 to June 2016), Google Scholar databases and Proquest and identified eligible papers and extracted the following terms: total testosterone, DHEAS, insulin sensitivity, fasting glucose, fasting insulin, OGTT 1h glucose, OGTT 2h glucose (mg/dL), LH (mIU/mL), FSH, DHEAS, ferriman-Galwey score (FG score)...
July 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/28591764/a-randomized-controlled-pilot-trial-of-interventions-to-improve-functional-recovery-after-hospitalization-in-older-adults-feasibility-and-adherence
#12
Rachel R Deer, Shawn M Goodlett, Steve R Fisher, Jacques Baillargeon, Jared M Dickinson, Mukaila Raji, Elena Volpi
Background.: Hospitalization is a major risk factor for functional decline, disability, loss of independence, and mortality in older adults. Evidence-based interventions to improve functional recovery from hospitalization are difficult to evaluate and implement in geriatric patients. The goal of this pilot study was to test the feasibility of recruiting geriatric inpatients and implementing pragmatic interventions to improve physical function following hospitalization. Methods...
June 7, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28579889/phenylethanoid-glycosides-of-cistanche-on-menopausal-syndrome-model-in-mice
#13
Shuo Tian, Mingsan Miao, Ming Bai, Zhenzhen Wei
Cistanche is the traditional and precious Chinese herbal, with two thousand years of use history in China. It has the effect on tonifying kidney, strong supplement to the liver and kidney, and replenishing essence and blood, known as the "desert ginseng". Here, we explored the mechanism of Phenylethanoid Glycosides of Cistanche (PGC) to the model mice of menopausal syndrome, as well as the therapeutic effect and characteristics of PGC to the menopausal syndrome. In this study, KM mice were reproduced by the complete resection of the ovaries on both sides of the back to establish the model mice of menopausal syndrome (MPS), and received distilled water or drugs, respectively...
May 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28578791/letrozole-an-aromatase-inhibitor-reduces-post-peak-age-related-regression-of-rooster-reproductive-performance
#14
Emad Abdulgabbar Ali, Mahdi Zhandi, Armin Towhidi, Mojtaba Zaghari, Mahdi Ansari, Mojtaba Najafi, Hamid Deldar
This study was designed to evaluate orally administrated Letrozole (Lz) on reproductive performance, plasma testosterone and estradiol concentrations and relative abundance of mRNA of GnRH, FSH and LH in roosters. Ross 308 roosters (n=32) that were 40-weeks of age were individually housed and received a basal standard diet supplemented different amounts of capsulated Lz [0 (Lz-0), 0.5 (Lz-0.5), 1 (Lz-1) or 1.5 (Lz-1.5), mg Lz/bird/day] for 12 weeks. Sperm quality variables and plasma testosterone and estradiol concentrations were assessed from the first to the tenth week of the treatment period...
May 27, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/28576648/sex-differences-and-sex-hormones-in-anxiety-like-behavior-of-aging-rats
#15
Emese Domonkos, Veronika Borbélyová, Melinda Csongová, Martin Bosý, Mária Kačmárová, Daniela Ostatníková, Július Hodosy, Peter Celec
Sex differences in the prevalence of affective disorders might be attributable to different sex hormone milieu. The effects of short-term sex hormone deficiency on behavior, especially on anxiety have been studied in numerous animal experiments, mainly on young adult rats and mice. However, sex differences in aged animals and the effects of long-term hypogonadism are understudied. The aim of our study was to analyze sex differences in anxiety-like behavior in aged rats and to prove whether they can be attributed to endogenous sex hormone production in males...
June 8, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28552178/high-diluted-and-dynamised-follicle-stimulating-hormone-modulates-steroid-production-in-isolated-porcine-preantral-follicles-cultured-in%C3%A2-vitro
#16
Laritza F de Lima, Marcello Rubessa, Rebeca M P Rocha, Rebecca Winters, Derek J Milner, Claudio C Campello, José R Figueiredo, Matthew B Wheeler
OBJECTIVE: This study investigated the effect of two different follicle stimulating hormone (FSH) preparations (diluted/dynamised and diluted) on the in vitro development and steroid production (estradiol, progesterone and testosterone) of isolated porcine preantral follicle after in vitro culture. METHODS: Secondary follicles were cultured in Alpha Minimum Essential Medium (α-MEM(+)) supplemented with grain ethanol (AL - 0.2%, v/v), diluted/dynamised FSH (rFSH 6cH - 0...
May 2017: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/28531762/high-dose-testosterone-enanthate-supplementation-boosts-oxidative-stress-but-exerts-little-effect-on-the-antioxidant-barrier-in-sedentary-adolescent-male-rat-liver
#17
Ewa Sadowska-Krępa, Barbara Kłapcińska, Sławomir Jagsz, Anna Nowara, Izabela Szołtysek-Bołdys, Małgorzata Chalimoniuk, Józef Langfort, Stanisław J Chrapusta
BACKGROUND: Anabolic-androgenic steroids abuse is on the rise among adolescent boys and young men, mostly in those seeking a 'shortcut' to an improved body image. This approach is associated with the risk of severe adverse health effects, some of which involve the liver and are linked to hepatic oxidative stress. Testosterone and its esters is a cornerstone of most anabolic-androgenic steroid stacking protocols. METHODS: We assessed and compared several hepatotoxicity and liver oxidative stress indices, as well as the contents of some components of the hepatic antioxidant barrier between sedentary adolescent male rats given a 6-week course of weekly im testosterone enanthate (TE, 8 or 80mg/kgBW/week) or vehicle (sesame oil) injections...
March 11, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28529127/antioxidant-peroxiredoxin-3-expression-is-regulated-by-17beta-estradiol-in-rat-white-adipose-tissue
#18
Marco Bauza-Thorbrügge, M Bel Galmés-Pascual, Miquel Sbert-Roig, J Francisco García-Palmer, Magdalena Gianotti, M Ana Proenza, Isabel Lladó
Peroxiredoxin 3 (PRX3) plays a role as a regulator of the adipocyte mitochondrial function due to its antioxidant activity. We have previously reported the existence of a sexual dimorphism in the mitochondrial oxidative stress status of many rat tissues such as white (WAT) and brown (BAT) adipose tissues. The aim was to elucidate whether sex hormones may play a role in PRX3 expression in the adipose tissues of rats. In in vivo experiments, male and female standard diet fed rats, high fat diet (HFD) fed rats and rosiglitazone-supplemented HFD (HDF+Rsg) fed rats, as well as ovariectomized (OVX) and 17beta-estradiol-supplemented OVX (OVX+E2) female rats were used...
May 18, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28524342/the-effect-of-vitamin-d-supplementation-on-hormonal-and-glycaemic-profile-of-patients-with-pcos-a-meta-analysis-of-randomised-trials
#19
Vasilios Pergialiotis, Nikoleta Karampetsou, Periklis Panagopoulos, Eftihios Trakakis, Nikolaos Papantoniou
BACKGROUND: Vitamin D deficiency is frequently manifested in women with polycystic ovarian syndrome (PCOS). To date, supplementation of deficient patients has not been correlated with the hormonal and metabolic status of these patients. PURPOSE: We aimed to investigate the impact of vitamin D supplementation on the hormonal and metabolic profile of PCOS women. MATERIALS AND METHODS: We searched Medline, Scopus, ClinicalTrials.gov and Cochrane Central Register databases for published randomised controlled trials...
May 19, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28523611/exogenous-phosphatidylcholine-supplementation-retrieve-aluminum-induced-toxicity-in-male-albino-rats
#20
Asmaa Fahmy Khafaga
This study investigated the ameliorative potential of exogenous phosphatidylcholine (PC) against aluminum-induced toxicity in male albino rats. Four groups of rats were used for this study (N = 8): group I served as the control, group II (PC treated) received L-α-phosphatidylcholine (egg yolk-derived) 100 mg/kg bwt/day orally, group III (aluminum treated) received aluminum chloride 100 mg/kg bwt/day orally, and group VI (aluminum + PC treated) received similar oral dose of aluminum and PC (100 mg/kg bwt/day)...
May 18, 2017: Environmental Science and Pollution Research International
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