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https://www.readbyqxmd.com/read/28229966/extra-oviductal-expression-of-oviductal-glycoprotein-1-in-mouse-detection-in-testis-epididymis-and-ovary
#1
Saniya Laheri, Deepak Modi, Purvi Bhatt
Oviductal glycoprotein 1 (OVGP1), also called oviductin, is an oviduct-specific protein and is suggested to play a role in fertilization. Traditionally, Ovgp1 has been shown to be exclusively expressed by the oviduct; however, recent studies have demonstrated its expression in some cancers. This observation led us to hypothesize that Ovgp1 might have some extra-oviductal expression. In the current study, we evaluated the mRNA and protein expression of Ovgp1 in normal reproductive tissues of male and female mice...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28226241/catsper%C3%AE-regulates-the-structural-continuity-of-sperm-ca-2-signaling-domains-and-is-required-for-normal-fertility
#2
Jean-Ju Chung, Kiyoshi Miki, Doory Kim, Sang-Hee Shim, Huanan F Shi, Jae Yeon Hwang, Xinjiang Cai, Yusuf Iseri, Xiaowei Zhuang, David E Clapham
We report that the Gm7068 (CatSperε) and Tex40 (CatSperζ) genes encode novel subunits of a 9-subunit CatSper ion channel complex. Targeted disruption of CatSperζ reduces CatSper current and sperm rheotactic efficiency in mice, resulting in severe male subfertility. Normally distributed in linear quadrilateral nanodomains along the flagellum, the complex lacking CatSperζ is disrupted at ~0.8 μm intervals along the flagellum. This disruption renders the proximal flagellum inflexible and alters the 3D flagellar envelope, thus preventing sperm from reorienting against fluid flow in vitro and efficiently migrating in vivo...
February 22, 2017: ELife
https://www.readbyqxmd.com/read/28225912/effects-of-duodenal-jejunal-bypass-on-structure-of-diaphragm-in-western-diet-obese-rats
#3
Bruna Hart Ulsenheimer, Heloisa Deola Confortim, Léslie Cazetta Jeronimo, Lígia Aline Centenaro, Ana Tereza Bittencourt Guimarães, Maria Lúcia Bonfleur, Sandra Lucinei Balbo, Selma Maria Michelin Matheus, Marcia Miranda Torrejais
Purpose: To evaluate the effects of duodenal-jejunal bypass (DJB) on the diaphragm muscle of obese rats fed on a western diet (WD) . Methods: Eighteen male Wistar rats were fed a standard rodent chow diet (CTL group) or WD ad libitum. After 10 weeks, WD rats were submitted to sham (WD SHAM) or duodenal-jejunal bypass (WD DJB). The structure, ultrastructure, collagen content and the morphometry of the neuromuscular junctions (NMJs) were analyzed two months after surgery...
January 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28217948/shrna-mediated-ablation-of-prostate-and-testis-expressed-pate-messenger-rna-results-in-impaired-sperm-function-and-fertility
#4
A Rajesh, S Yenugu
Spermatogenesis and sperm maturation are complex processes mediated by a variety of proteins present in the testicular and epididymal mileu. In the recent years, functional characterization of these proteins is being studied by genetic manipulations that involve targeted over expression or knock down of specific genes. In this study, we adopted FuGENE 6-based in vivo transfection of rat cauda epididymis with pGFP-V-RS plasmid that encodes shRNA to knock down Pate mRNA levels to implicate a possible role for this gene in sperm function...
February 19, 2017: Andrology
https://www.readbyqxmd.com/read/28216940/epididymal-metastasis-from-prostate-adenocarcinoma-an-unusual-and-challenging-diagnosis-suspected-in-gallium-68-prostate-specific-membrane-antigen-positron-emission-tomography-computed-tomography-and-histologically-confirmed
#5
Sofia Santos-Lopes, João Lobo, Rui Henrique, Jorge Oliveira
A few cases of prostate adenocarcinoma (PCa) metastases to the epididymis have been documented in literature. We report a case of a 69-year-old man with a left epididymal metastasis, 6 years after radical prostatectomy and adjuvant radiation therapy for PCa. Although he developed biochemical recurrence, only gallium-68 prostate-specific membrane antigen-positron emission tomography/computed tomography revealed high uptake in the left testis and retrovesical space. An unrecognized painless firm nodule was palpable on the left epididymis...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28215685/effects-of-female-bovine-plasma-collected-at-different-days-of-the-estrous-cycle-on-epididymal-spermatozoa-motility
#6
M Nait Mouloud, F Ouennoughi, L Yaiche, R Kaidi, M Iguer-Ouada
The aim of this study was to assess the effects of female bovine plasma collected at different days of the reproductive cycle on epididymal spermatozoa motility and to test hypothesis that the subpopulations pattern of motile spermatozoa is affected by this treatment. Blood plasma samples were collected from five Holstein Friesian cows at different stages of the estrous cycle (days 0, 5, 10, 12 and 18), one pregnant cow and one adult bull and were diluted 1:9 (V/V) with normal saline. Female charcoal-treated plasma, Bull plasma and saline were used as controls...
March 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/28211258/effects-of-a-wide-range-of-dietary-nicotinamide-riboside-nr-concentrations-on-metabolic-flexibility-and-white-adipose-tissue-wat-of-mice-fed-a-mildly-obesogenic-diet
#7
Wenbiao Shi, Maria A Hegeman, Dorien A M van Dartel, Jing Tang, Manuel Suarez, Hans Swarts, Bart van der Hee, Lluis Arola, Jaap Keijer
SCOPE: Metabolic flexibility is the ability to switch metabolism between carbohydrate oxidation (CHO) and fatty acid oxidation (FAO) and is a biomarker for metabolic health. The effect on metabolic health of nicotinamide riboside (NR) as an exclusive source of vitamin B3 is unknown and is examined here for a wide range of NR. DESIGN AND METHODS: Nine-week-old male C57BL/6JRcc mice received a semi-purified mildly obesogenic (40 en% fat) diet containing 0.14% L-tryptophan and either 5, 15, 30, 180 or 900 mg NR per kg diet for 15 weeks...
February 16, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28209760/glucoraphanin-ameliorates-obesity-and-insulin-resistance-through-adipose-tissue-browning-and-reduction-of-metabolic-endotoxemia-in-mice
#8
Naoto Nagata, Liang Xu, Susumu Kohno, Yusuke Ushida, Yudai Aoki, Ryohei Umeda, Nobuo Fuke, Fen Zhuge, Yinhua Ni, Mayumi Nagashimada, Chiaki Takahashi, Hiroyuki Suganuma, Shuichi Kaneko, Tsuguhito Ota
Low-grade sustained inflammation links obesity to insulin resistance and nonalcoholic fatty liver disease (NAFLD). However, therapeutic approaches to improve systemic energy balance and chronic inflammation in obesity are limited. Pharmacological activation of nuclear factor (erythroid-derived 2)-like 2 (Nrf2) alleviates obesity and insulin resistance in mice; however, Nrf2 inducers are not clinically available owing to safety concerns. Thus, we examined whether dietary glucoraphanin, a stable precursor of the Nrf2 inducer sulforaphane, ameliorates systemic energy balance, chronic inflammation, insulin resistance, and NAFLD in high-fat diet (HFD)-fed mice...
February 16, 2017: Diabetes
https://www.readbyqxmd.com/read/28205391/influence-of-iodine-in-excess-on-seminiferous-tubular-structure-and-epididymal-sperm-character-in-male-rats
#9
Amar K Chandra, Arijit Chakraborty
Excess iodine induced public health problems are now emerging in many iodine sufficient regions for indiscriminate intake of iodine through various iodized products. It has been reported that excess iodine can disrupt overall male reproductive physiology by generating oxidative stress in the testis. However, information on the possible effect of iodine in excess on spermatozoa found less. In the present investigation flow cytometric techniques and scanning electron microscopy (SEM) have been used to study the spermatozoal functional as well as structural status under the influence of excess iodine; generation of ROS in the spermatozoa as evident by DCFDA, altered acrosomal integrity as observed by fluorescence lectin staining method and depolarized mitochondrial membrane potential (ΔΨm ) noticed by JC-1 staining...
February 16, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28194272/fatty-acid-content-in-epididymal-fluid-and-spermatozoa-during-sperm-maturation-in-dogs
#10
Daniel S Ramos Angrimani, Marcilio Nichi, João Diego A Losano, Cristina F Lucio, Gisele A Lima Veiga, Márcia V M Junqueira Franco, Camila I Vannucchi
BACKGROUND: During sperm maturation, there is a reorganization of fatty acids from plasmatic membrane of the spermatozoa, which allows higher membrane integrity and acquisition of sperm motility. However, the fatty acid profile during sperm maturation remains unclear in dogs. Thus, the aim of this study was to identify the fatty acids from the epididymal spermatozoa and plasma during the sperm maturation, and observed changes in the motility and plasmatic membrane parameters. Twenty one adult dogs were used, subsequently to bilateral orchiectomy and epididymal storage, sperm samples were collected from the different segments of the epididymis...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28194261/gelidium-amansii-extract-ameliorates-obesity-by-down-regulating-adipogenic-transcription-factors-in-diet-induced-obese-mice
#11
Ji-Hye Kang, Hyun-Ah Lee, Hak-Ju Kim, Ji-Sook Han
BACKGROUND/OBJECTIVES: In this study, we investigated whether Gelidium amansii extract (GAE) ameliorates obesity in diet-induced obese (DIO) mice. MATERIALS/METHODS: The mice were maintained on a high-fat diet (HD) for 5 weeks to generate the DIO mouse model. And then mice fed HD plus 0.5% (GAE1), 1% (GAE2) or 2% (GAE3) for 8 weeks. RESULTS: After the experimental period, GAE-supplemented groups were significantly lower than the HD group in body weight gain and liver weight...
February 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28193580/astaxanthin-inhibits-inflammation-and-fibrosis-in-the-liver-and-adipose-tissue-of-mouse-models-of-diet-induced-obesity-and-nonalcoholic-steatohepatitis
#12
Bohkyung Kim, Callie Farruggia, Chai Siah Ku, Tho X Pham, Yue Yang, Minkyung Bae, Casey J Wegner, Nicholas J Farrell, Ellen Harness, Young-Ki Park, Sung I Koo, Ji-Young Lee
The objective of this study was to determine if astaxanthin (ASTX), a xanthophyll carotenoid, can prevent obesity-associated metabolic abnormalities, inflammation and fibrosis in diet-induced obesity (DIO) and nonalcoholic steatohepatitis (NASH) mouse models. Male C57BL/6J mice were fed a low-fat (6% fat, w/w), a high-fat/high-sucrose control (HF/HS; 35% fat, 35% sucrose, w/w), or a HF/HS containing ASTX (AHF/HS; 0.03% ASTX, w/w) for 30 weeks. To induce NASH, another set of mice was fed a HF/HS diet containing 2% cholesterol (HF/HS/HC) a HF/HS/HC with 0...
March 2, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28190922/histopathological-background-data-of-the-systemic-organs-of-clawn-miniature-swine-with-coronary-artery-stent-implantation
#13
Atsushi Isobe, Masako Tasaki, Tomoki Inoue, Hisako Terao, Junko Souba, Kasuke Nagano, Hitomi Hagiwara
The aim of this study was to identify potential changes that could occur during histological evaluations of CLAWN miniature swine, with potential consequences for subsequent experiments. The systemic organs from male and female CLAWN miniature swine (16.3-42.3 months old) that had been used in long-term studies of coronary stent implantation were examined histologically. Commonly observed histopathological findings were testicular/epididymal atrophy, cyst-like follicles in the ovaries, hemosiderin deposition in the spleen, lipofuscin deposition in the proximal tubular epithelia and presence of eosinophilic globules in the Bowman's space and the lumen of the proximal tubules in the kidneys, and cellular infiltration in several organs, including the eyelids, respiratory organs, and digestive tract...
January 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28190818/effects-of-vernonia-cinerea-on-reproductive-performance-in-streptozotocin-induced-diabetic-rats
#14
Atchariya Pomjunya, Jasada Ratthanophart, Wirasak Fungfuang
The present study investigated the effects of Vernonia cinerea (VC) on the reproductive function in streptozotocin (STZ)-induced diabetic male rats. Six-week-old male Sprague-Dawley rats were randomly divided into four groups: group 1, normal control rats; group 2, diabetic untreated rats; group 3, diabetic rats treated with VC (10 mg/kg); and group 4, diabetic rats treated with VC (40 mg/kg). Diabetes mellitus (DM) was induced by intraperitoneal injection of STZ (60 mg/kg). All animals were treated for 30 consecutive days...
February 10, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28190525/central-action-of-xenin-affects-the-expression-of-lipid-metabolism-related-genes-and-proteins-in-mouse-white-adipose-tissue
#15
Sharma Bhavya, Pei San Lew, Tooru M Mizuno
Xenin is a gastrointestinal hormone that reduces food intake when administered centrally and it has been hypothesized that central action of xenin participates in the regulation of whole-body metabolism. The present study was performed to address this hypothesis by investigating the central effect of xenin on the expression of genes and proteins that are involved in the regulation of lipid metabolism in white adipose tissue (WAT). Male obese ob/ob mice received intracerebroventricular (i.c.v.) injections of xenin (5μg) twice 12h apart...
February 9, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28188070/-inflammation-in-the-perivascular-adipose-tissue-and-atherosclerosis
#16
Nadjiba Hamlat-Khennaf, Samia Neggazi, Hanene Ayari, Patrick Feugier, Giampiero Bricca, Souhila Aouichat-Bouguerra, Michel Beylot
In atherosclerosis studies, there are few data, especially in men, on the biology of perivascular adipose tissue (PVAT) compared to that of other adipose tissue (AT), on amendments in obesity, and its possible role in the development of atherosclerosis. We conducted an ex vivo human study on pericarotid adipose tissue-collected in the immediate vicinity (PVATp) and away from the plate (tapas)-and subcutaneous (SC) neck gathered during surgery from patients suffering from atheromatous carotid disease. In addition, we conducted a study in obese Zucker rats (models of obesity and insulin resistance) and Wistar rats subjected to moderate stress...
February 7, 2017: Comptes Rendus Biologies
https://www.readbyqxmd.com/read/28183234/therapeutic-and-fertility-restoration-effects-of-ionidium-suffruticosum-on-sub-fertile-male-albino-wistar-rats-effects-on-testis-and-caudal-spermatozoa
#17
Kuppusamy Chenniappan, Kadarkari Murugan
CONTEXT: Ionidium suffruticosum (L.) Ging (Violaceae) is an important medicinal plant widely used as a herbal traditional medicine in Ayurveda for the treatment of infertility. Currently, little pharmacological information is available on its male fertility properties following prolonged use. OBJECTIVE: To investigate I. suffruticosum leaf extracts for male fertility parameters. MATERIALS AND METHODS: The ethanol lyophilized fraction was administered orally on carbendazim-induced sub-fertility rats (250 mg/kg body weight for 28 days)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28166946/preventive-effects-of-supplemental-dietary-zinc-on-heat-induced-damage-in-the-epididymis-of-boars
#18
Zhaojian Li, Yansen Li, Xin Zhou, Yun Cao, Chunmei Li
Hyperthermia in boars reduces growth performance and sperm production. Zinc is an essential trace element in animal nutrition. Here we investigate the effects of dietary zinc on epididymal structure and function in Bama miniature pigs treated with heat exposure and investigate approaches to improve the reproductive performance in summer. Male Bama miniature pigs (n=18; aged 6 months; bodyweight=10.79±0.06kg) were randomly allocated to 3 groups: control group (Control), heat treatment group (HT), and the diet-supplemented and heat treatment group (H+Zn)...
February 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/28166151/18f-fdg-pet-ct-imaging-of-epididymal-smooth-muscle-mass-mimicking-recurrent-lymphoma
#19
Shogo Takeuchi, Masayuki Inubushi, Kiyohisa Nagai, Teruki Sone
An 84-year-old man with a history of diffuse large B-cell lymphoma in remission who had completed chemotherapy 3 years previously was referred for imaging evaluation of disease recurrence. Abnormal accumulation in the left scrotum was demonstrated on F-FDG PET/CT. Subsequent ultrasonography showed a nodular mass lesion in the left epididymis. He then underwent left orchiectomy. Histopathological examination of the mass diagnosed smooth muscle hyperplasia/hamartoma of the left epididymis. Epididymal smooth muscle hyperplasia/hamartoma should be included as a differential diagnosis for malignant scrotal tumor...
February 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28164351/ethanol-induced-male-infertility-effects-of-aqueous-leaf-extract-of-tetracarpidium-conophorum
#20
S F Akomolafe, G Oboh, A A Akindahunsi, A J Afolayan
This study investigated the effects of Tetracarpidium conophorum leaf extract on infertility induced by ethanol in male rats. Thirty rats were randomly divided into six groups of five animals each: Group 1 (positive control) received 0.9% saline only; Group 2 (ethanol alone) were given only 30% ethanol orally at 7 ml/kg body weight per day, thrice in a week; groups 3, 4 and 5 were given ethanol and co-treated with 50, 500 and 1,000 mg/kg body weight of leaf extract, respectively, while Group 6 was given ethanol and co-treated with a fertility drug, clomiphene citrate...
February 6, 2017: Andrologia
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