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https://www.readbyqxmd.com/read/29040955/protective-role-of-epigallocatechin-3-gallate-on-arsenic-induced-testicular-toxicity-in-swiss-albino-mice
#1
Pushpa Rani Guvvala, Janivara Parameswaraiah Ravindra, Chukkath Vijayan Rajani, Muniandy Sivaram, Sellappan Selvaraju
Arsenic, often referred to as the king of poisons is carcinogenic in humans and animals. It affects multiorgan systems including reproduction. The present study was undertaken to explore the protective role of green tea compound, epigallocatechin-3-gallate (EGCG) on arsenic induced testicular toxicity in Swiss albino mice. Thirty two adult male mice were randomly assigned to four groups (n=8). Group I served as control without test chemical. The group II received arsenic (200ppm) through drinking water, group III received only EGCG (20mg/kgb...
October 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29036927/chinese-olive-canarium-album-l-fruit-extract-attenuates-metabolic-dysfunction-in-diabetic-rats
#2
Yu-Te Yeh, An-Na Chiang, Shu-Chen Hsieh
Hyperglycemia and dysregulation of lipid metabolism play a crucial role in metabolic dysfunction. The aims of present study were to evaluate the ameliorative effect of the ethyl acetate fraction of Chinese olive fruit extract (CO-EtOAc) on high-fat diet (HFD) and streptozotocin (STZ)-induced diabetic rats. CO-EtOAc, rich in gallic acid and ellagic acid, could markedly decreased the body weight and epididymal adipose mass. In addition, CO-EtOAc increased serum HDL-C levels, hepatic GSH levels, and antioxidant enzyme activities; lowered blood glucose, serum levels of total cholesterol (TC), triglycerides (TG), bile acid, and tumor necrosis factor alpha (TNFα); and reduced TC and TG in liver...
October 15, 2017: Nutrients
https://www.readbyqxmd.com/read/29035138/body-weight-predicts-nicotinamide-n-methyltransferase-activity-in-mouse-fat
#3
Bianca Rudolphi, Benedikt Zapp, Nils A Kraus, Franziska Ehebauer, Bettina J Kraus, Daniel Kraus
AIM: Nicotinamide N-methyltransferase (NNMT) is a novel regulator of energy homeostasis in adipose tissue. NNMT expression is higher in obese mice than in lean mice, and NNMT knockdown prevents diet-induced obesity. Little is known about the regulation of enzyme activity during the development of obesity. The aim of this study was to analyze NNMT activity in tissues of mice with incipient and established obesity. METHODS: A fluorescence-based, sensitive, low-volume, high-throughput method was developed to assay NNMT activity...
October 16, 2017: Endocrine Research
https://www.readbyqxmd.com/read/29034643/epididymo-orchitis-in-bechet-s-disease-a-review-of-the-wide-spectrum-of-the-disease
#4
Meletios A Kanakis, Aristeides G Vaiopoulos, George A Vaiopoulos, Phaedon G Kaklamanis
 Behçet's disease is a chronic, recurrent, inflammatory disorder characterized by orogenital ulcers and skin lesions; serious manifestations also include ocular, large vessel, gastrointestinal and neurological involvement. Genetic and unknown environmental factors modify the wide clinical spectrum of the disease. During the long clinical course of the disease, testicular and epididymal involvement has been reported, with scrotal pain and swelling being the most common symptoms. In this review, we discuss the various aspects of epididymo-orchitis in Behcet's disease patients, and we evaluate the diagnostic approaches as well as the empirical therapeutic modalities of this entity...
August 2017: Acta Medica Iranica
https://www.readbyqxmd.com/read/29034179/case-of-an-airsoft-pellet-induced-epididymal-laceration-and-secondary-testicular-torsion-with-the-loss-of-affected-testis
#5
Asadullah Aslam, Nadeem Nusrat, Syed Jaffry
No abstract text is available yet for this article.
January 2018: Urology Case Reports
https://www.readbyqxmd.com/read/29033844/syngeneic-b16f10-melanoma-causes-cachexia-and-impaired-skeletal-muscle-strength-and-locomotor-activity-in-mice
#6
Fabrício A Voltarelli, Fernando T Frajacomo, Camila de Souza Padilha, Mayra T J Testa, Paola S Cella, Diogo F Ribeiro, Donizete X de Oliveira, Luciana C Veronez, Gabriela S Bisson, Felipe A Moura, Rafael Deminice
Muscle wasting has been emerging as one of the principal components of cancer cachexia, leading to progressive impairment of work capacity. Despite early stages melanomas rarely promotes weight loss, the appearance of metastatic and/or solid tumor melanoma can leads to cachexia development. Here, we investigated the B16F10 tumor-induced cachexia and its contribution to muscle strength and locomotor-like activity impairment. C57BL/6 mice were subcutaneously injected with 5 × 10(4) B16F10 melanoma cells or PBS as a Sham negative control...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29033835/farnesol-has-an-anti-obesity-effect-in-high-fat-diet-induced-obese-mice-and-induces-the-development-of-beige-adipocytes-in-human-adipose-tissue-derived-mesenchymal-stem-cells
#7
Hye-Lin Kim, Yunu Jung, Jinbong Park, Dong-Hyun Youn, JongWook Kang, Seona Lim, Beom Su Lee, Mi-Young Jeong, Seong-Kyu Choe, Raekil Park, Kwang Seok Ahn, Jae-Young Um
Brown adipocytes dissipate energy as heat and hence have an important therapeutic capacity for obesity. Development of brown-like adipocytes (also called beige) is also another attractive target for obesity treatment. Here, we investigated the effect of farnesol, an isoprenoid, on adipogenesis in adipocytes and on the browning of white adipose tissue (WAT) as well as on the weight gain of high-fat diet (HFD)-induced obese mice. Farnesol inhibited adipogenesis and the related key regulators including peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer binding protein α through the up-regulation of AMP-activated protein kinase in 3T3-L1 murine adipocytes and human adipose tissue-derived mesenchymal stem cells (hAMSCs)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29030492/comparative-analysis-of-activins-a-and-b-in-the-adult-mouse-epididymis-and-vas-deferens
#8
Rukmali Wijayarathna, David de Kretser, Rajini Sreenivasan, Helen Ludlow, Ralf Middendorff, Andreas Meinhardt, Kate L Loveland, Mark P Hedger
Activin A regulates testicular and epididymal development, but the role of activin B in the epididymis and vas deferens is unknown. Mouse models with reduced activin A (Inhba(+/-) and Inhba(BK/+)), or its complete absence (Inhba(BK/BK)), were investigated to identify specific roles of activins in the male reproductive tract. In 8 week old Inhba(+/-) mice, serum activin A decreased by 70%, with a 50% reduction of gene expression and protein in the testis, epididymis and vas deferens. Activin B and the activin-binding protein, follistatin, were similar to wild-type...
October 13, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29030154/simultaneous-profiles-of-sulfonated-androgens-sulfonated-estrogens-and-sulfonated-progestogens-in-postpubertal-boars-sus-scrofa-domestica-measured-by-lc-ms-ms
#9
G Schuler, A Sánchez-Guijo, M F Hartmann, S A Wudy
Sulfonated steroids (s-St) have been usually regarded as inactive metabolites but are progressively considered as precursors for the intra-tissue formation of bioactive steroids. Moreover, independent effects without preceding removal of the sulfate group have been observed. We use the porcine testicular-epididymal compartment as a model to investigate the still largely unknown s-St physiology as the boar exhibits an intriguingly broad s-St spectrum predominantly originating from the testis. The application of LC-MS/MS in steroidomics enables the determination of unconjugated and intact sulfonated steroids with currently highest specificity and good sensitivity, allowing the concurrent measuring of numerous analytes in larger quantities of samples...
October 10, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29029874/sperm-subpopulations-in-ejaculated-sperm-and-spermatozoa-recovered-from-ovine-epididymides-up-to-48h-after-death
#10
Tácia Gomes Bergstein-Galan, Romildo Romualdo Weiss, Luiz Ernandes Kozicki, Sony Dimas Bicudo
The objectives of this study were threefold: to identify subpopulations of sperm based on the kinetics of frozen/thawed sheep epididymal spermatozoa or semen collected with an artificial vagina; to evaluate the effects on sperm subpopulations in the thawed samples of post mortem storage at room temperature and the addition of 20% of seminal plasma to the freezing extender and to correlate the percentage of subpopulations with gestation rate following artificial intrauterine insemination. The categorization of the subpopulations was based on sperm kinetic data from Computer Assisted Sperm Analysis (CASA)...
October 5, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29029872/inhibition-of-deubiquitinases-alters-gamete-ubiquitination-states-and-sperm-oocyte-binding-ability-in-pigs
#11
Yang Wang, Lili Zhuang, Xuan Chen, Man Xu, Zuochen Li, Yi Jin
This study was undertaken to investigate the dynamics of protein ubiquitination in pig gametes and their micro-environments, as well as to explore the action of deubiquitinases (DUBs) in sperm-oocyte binding. Protein ubiquitination states were evaluated by in the ejaculated sperm, seminal plasma, epididymal sperm, oocytes, zona pellucida (ZP) and follicular fluid (FF) by western blotting. Different concentrations of PR-619, a non-selective inhibitor of DUBs, were used to treat oocytes during in vitro maturation (IVM), the maturation rate, amount of ubiquitinated ZP proteins, and ZP solubility were assessed...
October 7, 2017: Animal Reproduction Science
https://www.readbyqxmd.com/read/29029059/canonical-wnt-%C3%AE-catenin-signaling-regulates-postnatal-mouse-epididymal-development-but-does-not-affect-epithelial-cell-differentiation
#12
Manish Kumar, Pradeep S Tanwar
The epithelial lining of epididymis establishes an optimal environment in which spermatozoa acquire the ability to fertilize an oocyte. This highly specialized organ develops from a simple embryonic tube known as the Wolffian duct (WD). How the simple columnar epithelium of WD acquires the complex features of the adult epididymal epithelium is currently unclear. During these first few weeks after birth, the epididymal epithelium undergoes significant changes and by five weeks, consists of four different cell types...
October 5, 2017: Endocrinology
https://www.readbyqxmd.com/read/29025014/reactive-oxygen-species-and-protein-modifications-in-spermatozoa
#13
Cristian O'Flaherty, David Matsushita Fournier
Cellular response to reactive oxygen species (ROS) includes both reversible redox signaling and irreversible non-enzymatic reactions which depend on the nature and concentration of the ROS involved. Changes in thiol/disulfide pairs affect protein conformation, enzymatic activity, ligand binding, and protein-protein interactions. During spermatogenesis and epididymal maturation, there are ROS-dependent modifications of the sperm chromatin and flagellar proteins.The spermatozoon is regulated by redox mechanisms to acquire fertilizing ability...
September 13, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29025010/sperm-function-protein-phosphorylation-and-metabolism-differ-in-mice-lacking-successive-sperm-specific-glycolytic-enzymes
#14
Zaohua Huang, Polina V Danshina, Kathleen Mohr, Weidong Qu, Summer G Goodson, Thomas M O'Connell, Deborah A O'Brien
Glyceraldehyde 3-phosphate dehydrogenase-S (GAPDHS) and phosphoglycerate kinase 2 (PGK2), two isozymes restricted to the male germline, catalyze successive steps in the glycolytic pathway in mammalian sperm. Although gene targeting of each isozyme demonstrated that glycolysis is required for normal sperm motility and male fertility, the phenotype of mice lacking GAPDHS is more severe than that of mice lacking PGK2. This study examined sperm function, signaling pathways and metabolism to investigate factors that contribute to the phenotypic differences between these knockout models...
August 28, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29022241/a-panel-of-protein-candidates-for-comprehensive-study-of-caprine-arthritis-encephalitis-cae-infection
#15
Rosivaldo Quirino Bezerra Júnior, Ângela Maria Xavier Eloy, João Ricardo Furtado, Raymundo Rizaldo Pinheiro, Alice Andrioli, Frederico Bruno Moreno, Marina Duarte Pinto Lobo, Ana Cristina O Monteiro-Moreira, Renato de Azevedo Moreira, Tatiana Maria Farias Pinto, Maria Fátima da Silva Teixeira
The caprine arthrite encephalite (CAE) is a disease that affects especially dairy goat. The virus shows compartmentalization features, that allows it to hide at certain times during the course of the disease, making it difficult to control. The present study was conducted to identify the major seminal plasma protein profile of goats infected by CAE and its associations with seroconversion using Western blotting. Two groups containing five males each, were used in this experiment. The first group was composed by seropositive animals and the control by seronegative confirmed by Western blotting and PCR...
October 12, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29021697/chronic-saponin-treatment-attenuates-damage-to-the-pancreas-in-chronic-alcohol-treated-diabetic-rats
#16
Mi Ran Choi, Su Min Kwak, Sol Hee Bang, Jo-Eun Jeong, Dai-Jin Kim
BACKGROUND: Chronic heavy alcohol consumption may raise the risk of developing type 2 diabetes mellitus. Saponins inhibit apoptosis of pancreatic islet cells and reduce lipid parameters. The present study was designed to investigate the effect of saponin on chronic ethanol-treated diabetic rats. METHODS: Long-Evans Tokushima Fatty (LETO) and Otsuka Long-Evans Tokushima Fatty (OLETF) rats were pair-fed a Lieber-DeCarli diet with and without 5% ethanol for 12 wks...
October 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/29020728/diagnosing-testicular-lumps-in-primary-care
#17
Tom Stonier, Nick Simson, Ben Challacombe
Although the incidence of testicular cancer has increased over the past few decades, testicular tumours are still rare and many GPs will only see one or two new diagnoses in their career. In one UK study, out of 845 patients who had been referred with testicular lumps or pain, only 33 (4%) were diagnosed with testicular cancer. Epididymal cysts, or spermatoceles when containing sperm, were the most common finding, and were found in 228 patients (27%). The second most common finding was hydrocele, a fluid collection between the parietal and visceral layers of the tunica vaginalis, which was found in 96 patients (11%)...
April 2017: Practitioner
https://www.readbyqxmd.com/read/29018779/differential-tissue-specific-and-pathway-specific-anti-obesity-effects-of-green-tea-and-taeumjowitang-a-traditional-korean-medicine-in-mice
#18
Junil Kim, Sujin Park, Haein An, Ji-Young Choi, Myung-Sook Choi, Sang-Woon Choi, Seong-Jin Kim
BACKGROUND: Traditional medicines have been leveraged for the treatment and prevention of obesity, one of the fastest growing diseases in the world. However, the exact mechanisms underlying the effects of traditional medicine on obesity are not yet fully understood. METHODS: We produced the transcriptomes of epididymal white adipose tissue (eWAT), liver, muscle, and hypothalamus harvested from mice fed a normal diet, high-fat-diet alone, high-fat-diet together with green tea, or a high-fat-diet together with Taeumjowitang, a traditional Korean medicine...
September 2017: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/29018280/dusp5-functions-as-a-feedback-regulator-of-tnf%C3%AE-induced-erk1-2-dephosphorylation-and-inflammatory-gene-expression-in-adipocytes
#19
Justine S Habibian, Mitra Jefic, Rushita A Bagchi, Robert H Lane, Robert A McKnight, Timothy A McKinsey, Ron F Morrison, Bradley S Ferguson
Adipose tissue inflammation is a central pathological element that regulates obesity-mediated insulin resistance and type II diabetes. Evidence demonstrates that extracellular signal-regulated kinase (ERK 1/2) activation (i.e. phosphorylation) links tumor necrosis factor α (TNFα) to pro-inflammatory gene expression in the nucleus. Dual specificity phosphatases (DUSPs) inactivate ERK 1/2 through dephosphorylation and can thus inhibit inflammatory gene expression. We report that DUSP5, an ERK1/2 phosphatase, was induced in epididymal white adipose tissue (WAT) in response to diet-induced obesity...
October 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29018142/adiponectin-has-a-pivotal-role-in-the-cardioprotective-effect-of-cp-3-iv-a-selective-cd36-azapeptide-ligand-after-transient-coronary-artery-occlusion-in-mice
#20
David N Huynh, Valérie L Bessi, Liliane Ménard, Jérôme Piquereau, Caroline Proulx, Maria Febbraio, William D Lubell, André C Carpentier, Yan Burelle, Huy Ong, Sylvie Marleau
CD36 is a multiligand receptor involved in lipid metabolism. We investigated the mechanisms underlying the cardioprotective effect of CP-3(iv), an azapeptide belonging to a new class of selective CD36 ligands. The role of CP-3(iv) in mediating cardioprotection was investigated because CD36 signaling leads to activation of peroxisome proliferator-activated receptor-γ, a transcriptional regulator of adiponectin. CP-3(iv) pretreatment reduced infarct size by 54% and preserved hemodynamics in C57BL/6 mice subjected to 30 min coronary ligation and reperfusion but had no effect in CD36-deficient mice...
October 10, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
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