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https://www.readbyqxmd.com/read/28654245/effects-of-in-utero-pfos-exposure-on-transcriptome-lipidome-and-function-of-mouse-testis
#1
Keng Po Lai, Jetty Chung-Yung Lee, Hin Ting Wan, Jing Woei Li, Aman Yi-Man Wong, Ting-Fung Chan, Camille Oger, Jean-Marie Galano, Thierry Durand, Kin Sum Leung, Cherry C Leung, Rong Li, Chris Kong-Chu Wong
Transcriptomic and LC-MS/MS-based targeted lipidomic analyses were conducted to identify the effects of in utero PFOS exposure on neonatal testes and its relation to testicular dysfunction in adult offspring. Pregnant mice were orally administered 0.3 and 3 µg PFOS/g body weight until term. Neonatal testes (P1) were collected for the detection of PFOS, and were subjected to omics study. Integrated pathway analyses using DAVID, KEGG and IPA underlined the effects of PFOS exposure on lipid metabolism, oxidative stress and cell junction signaling in testes...
June 27, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28653306/the-gross-anatomy-of-the-male-reproductive-system-of-the-european-hedgehog-erinaceus-europaeus
#2
G Akbari, M Babaei, D Kianifard, D Mohebi
Hedgehogs are small spiny-coated insectivores. Due to their low body weight, calm character, and easy maintenance, they are kept as pets. It is therefore worthwhile to care about hedgehogs' health problems and to provide pet owners with information about their reproduction. Moreover, it is necessary to be familiar with their anatomy so as to satisfy the need to improve nutrition and medical care, even surgery. This study was carried out on five adult male European hedgehogs euthanized in a chloroform chamber...
June 27, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28651003/iron-elevation-and-adipose-tissue-remodeling-in-the-epididymal-depot-of-a-mouse-model-of-polygenic-obesity
#3
Xiaoya Ma, Vinh T Pham, Hiroyuki Mori, Ormond A MacDougald, Yatrik M Shah, Peter F Bodary
BACKGROUND: Iron dysregulation is a potential contributor to the pathology of obesity-related metabolic complications. KK/HIJ (KK) mice, a polygenic obese mouse model, have elevated serum iron levels. A subset of KK male mice display a bronzing of epididymal adipose tissue (eAT) associated with >100-fold (p<0.001) higher iron concentration. METHODS: To further phenotype and characterize the adipose tissue iron overload, 27 male KK mice were evaluated. 14 had bronzing eAT and 13 had normal appearing eAT...
2017: PloS One
https://www.readbyqxmd.com/read/28646706/corn-silk-maysin-ameliorates-obesity-in-vitro-and-in-vivo-via-suppression-of-lipogenesis-differentiation-and-function-of-adipocytes
#4
Chang Won Lee, Jeong Yeon Seo, Sun-Lim Kim, Jisun Lee, Ji Won Choi, Yong Il Park
Present study was aimed to investigate the potential anti-obesity effects of maysin, a major flavonoid of corn silk, in vitro and in vivo using 3T3-L1 preadipocyte cells and C57BL/6 mice. Maysin decreased the levels of intracellular lipid droplets and triglycerides (TG), and down-regulated the protein expression levels of C/EBP-β, C/EBP-α, PPAR-γ, and aP2 in 3T3-L1 preadipocyte cells, suggesting that maysin inhibits lipid accumulation and adipocyte differentiation. In addition, maysin was shown to induce the apoptotic cell death in 3T3-L1 preadipocyte cells via activation of caspase cascades and mitochondrial dysfunction, which may ultimately lead to reduction of adipose tissue mass...
June 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28646317/di-n-butyl-phthalate-prompts-interruption-of-spermatogenesis-steroidogenesis-and-fertility-associated-with-increased-testicular-oxidative-stress-in-adult-male-rats
#5
Giribabu Nelli, Sreenivasula Reddy Pamanji
Di-n-butyl phthalate (DBP) is extensively used as plasticizer, and it was ubiquitary released into the environment. The present study was aimed to investigate the effect of DBP on reproductive competence in adult male rats. Adult male rats were received corn oil or DBP injection intraperitoneally (ip) at 100 and 500 mg/kg body weight on 90, 97, 104, and 111 days. Following completion of the experimental period, adult male rats were cohabitated with untreated proestrus female rats for determination of fertilization capacity...
June 24, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28646079/identification-of-flavin-containing-monooxygenase-5-fmo5-as-a-regulator-of-glucose-homeostasis-and-a-potential-sensor-of-gut-bacteria
#6
Flora Scott, Sandra G Gonzalez Malagon, Brett A O'Brien, Diede Fennema, Sunil Veeravalli, Clarissa R Coveney, Ian R Phillips, Elizabeth A Shephard
We have previously identified flavin-containing monooxygenase 5 (FMO5) as a regulator of metabolic ageing. The aim of the present study was to investigate the role of FMO5 in glucose homeostasis and the impact of diet and gut flora on the phenotype of mice in which the Fmo5 gene has been disrupted (Fmo5(-/-) mice). In comparison with wild-type (WT) counterparts, Fmo5(-/-) mice are resistant to age-related changes in glucose homeostasis and maintain the higher glucose tolerance and insulin sensitivity characteristic of young animals...
June 23, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28645691/maternal-exposure-to-a-mixture-of-persistent-organic-pollutants-pops-affects-testis-histology-epididymal-sperm-count-and-induces-sperm-dna-fragmentation-in-mice
#7
Abdolrahman Khezri, Birgitte Lindeman, Anette K Krogenæs, Hanne F Berntsen, Karin E Zimmer, Erik Ropstad
Persistent organic pollutants (POPs) are widespread throughout the environment and some are suspected to induce reproductive toxicity. As animals and humans are exposed to complex mixtures of POPs, it is reasonable to assess how such mixtures could interact with the reproductive system. Our aim is to investigate how maternal exposure to a mixture of 29 different persistent organic pollutants, formulated to mimic the relative POP levels in the food basket of the Scandinavian population, could alter reproductive endpoints...
June 20, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28642037/testosterone-regulates-3t3-l1pre-adipocyte-differentiation-and-epididymal-fat-accumulation-in-mice-through-modulating-macrophage-polarization
#8
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/28638960/comparative-diagnostic-evaluation-of-omp31-gene-based-taqman%C3%A2-real-time-pcr-assay-with-visual-lamp-assay-and-indirect-elisa-for-caprine-brucellosis
#9
Suman Saini, V K Gupta, K Gururaj, D D Singh, R V S Pawaiya, N K Gangwar, A K Mishra, Deepak Dwivedi, Dimple Andani, Ashok Kumar, T K Goswami
Brucellosis is one of the leading causes of abortion in domestic animals that imposes costs on both economy and society. The disease is highly zoonotic and poses risk to animal handlers due to its zoonotic nature. It causes stillbirth, loss of kids and abortion in last term of pregnancy. Reproductive damage includes infertility in does and orchitis and epididymitis in breeding bucks, which result in high financial losses to farmers and the agriculture industry as a whole. It requires highly sensitive and specific assays to diagnose the disease at field level...
June 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28638871/effect-of-yishenjianpi-recipe-on-semen-quality-and-sperm-mitochondria-in-mice-with-oligoasthenozoospermia-induced-by-tripterygium-glycosides
#10
Wen Sheng, Yao-Sheng Zhang, Yue-Qing Li, Xiao-Ni Wu, Li-Min Chai, Li-Feng Yue, Juan-Liu, Jin Ding, Xian-Rui Li, Meng Chen, Jian-Wei Shang
BACKGROUND: Kidney tonifying - spleen strengthening method being one of the modalities for treatment of astheno-oligozoospermia is currently commonly used in the clinical setting. To investigate the mechanism of YiShenJianPi (YSJP) Recipe, used in Traditional Chinese Medicine to benefit "the kidney" and strengthen "the spleen". MATERIALS AND METHODS: Oligoasthenozoospermia, male BALB/c mice were randomly divided into normal control, disease model, positive control, low-dosage and high-dosage groups...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28631352/overexpressing-stamp2-attenuates-adipose-tissue-angiogenesis-and-insulin-resistance-in-diabetic-apoe-ldlr-mouse-via-a-ppar%C3%AE-cd36-pathway
#11
Feng Wang, Lu Han, Ran-Ran Qin, Yao-Yuan Zhang, Di Wang, Zhi-Hao Wang, Meng-Xiong Tang, Yun Zhang, Ming Zhong, Wei Zhang
The aim of this study was to investigate whether overexpression of STAMP2 improves insulin resistance by regulating angiogenesis in adipose tissues. The characteristics of diabetic mice were measured by serial metabolite and pathology tests. Samples were obtained from epididymal, subcutaneous and brown adipose tissues. Histological and morphological analysis demonstrated that STAMP2 gene overexpression reduced adipocyte size, angiogenesis in epididymal and brown adipose tissues. On aortic ring assay, microvessels sprouting from aortas were significantly inhibited after STAMP2 gene overexpression...
June 19, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28630926/vasculogenic-hydrogel-enhances-islet-survival-engraftment-and-function-in-leading-extrahepatic-sites
#12
Jessica D Weaver, Devon M Headen, Jahizreal Aquart, Christopher T Johnson, Lonnie D Shea, Haval Shirwan, Andrés J García
Islet transplantation is a promising alternative therapy for insulin-dependent patients, with the potential to eliminate life-threatening hypoglycemic episodes and secondary complications of long-term diabetes. However, widespread application of this therapy has been limited by inadequate graft function and longevity, in part due to the loss of up to 60% of the graft in the hostile intrahepatic transplant site. We report a proteolytically degradable synthetic hydrogel, functionalized with vasculogenic factors for localized delivery, engineered to deliver islet grafts to extrahepatic transplant sites via in situ gelation under physiological conditions...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630018/the-modified-ulaanbaatar-procedure-reduced-complications-and-enhanced-cosmetic-outcome-for-the-most-severe-cases-of-hypospadias
#13
V R Jayanthi, C B Ching, D G DaJusta, D J McLeod, S A Alpert
INTRODUCTION/OBJECTIVE: Proximal hypospadias is one of the most challenging conditions that pediatric urologists have to deal with. Many procedures have been devised over the years, but nothing has been proven to be the best option. Although there have been some attempts at correcting severe hypospadias in one procedure, most have advocated a staged approach. The classic approach - laying penile skin or a graft within a split glans followed by glanuloplasty at the second stage - by definition requires two operations on the glans...
May 18, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28629181/knockout-of-murine-mamld1-impairs-testicular-growth-and-daily-sperm-production-but-permits-normal-postnatal-androgen-production-and-fertility
#14
Mami Miyado, Kaoru Yoshida, Kenji Miyado, Momori Katsumi, Kazuki Saito, Shigeru Nakamura, Tsutomu Ogata, Maki Fukami
MAMLD1 has been implicated in testicular function in both human and mouse fetuses. Although three patients with MAMLD1 mutations were reported to have hypergonadotropic hypogonadism in their teens, the functional significance of MAMLD1 in the postnatal testis remains unclear. Here, we analyzed the phenotype of Mamld1 knockout (KO) male mice at reproductive ages. The reproductive organs of KO male mice were morphologically unremarkable, except for relatively small testes. Seminiferous tubule size and number of proliferating spermatogonia/spermatocytes were reduced in the KO testis...
June 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28628674/hepatic-microvascular-dysfunction-and-increased-advanced-glycation-end-products-are-components-of-non-alcoholic-fatty-liver-disease
#15
Evelyn Nunes Goulart da Silva Pereira, Raquel Rangel Silvares, Edgar Eduardo Ilaquita Flores, Karine Lino Rodrigues, Isalira Peroba Ramos, Igor José da Silva, Marcelo Pelajo Machado, Rosiane Aparecida Miranda, Carmen Cabanelas Pazos-Moura, Cassiano F Gonçalves-de-Albuquerque, Hugo Caire de Castro Faria-Neto, Eduardo Tibiriça, Anissa Daliry
BACKGROUND: This study aimed to investigate the pathophysiology of hepatic microcirculatory dysfunction in non-alcoholic fatty liver disease (NAFLD). METHODS: In Wistar rats, NAFLD model was induced by 20 weeks of high-fat diet (HFD) feeding. Rolling and adhesion of leukocytes and tissue perfusion in hepatic microcirculation were examined using in vivo microscopic and laser speckle contrast imaging (LSCI), respectively. Oxidative stress and inflamatory parameters were analysed by TBARs, catalase enzyme activity, RT-PCR and ELISA...
2017: PloS One
https://www.readbyqxmd.com/read/28623919/effects-of-karela-bitter-melon-momordica-charantia-on-genes-of-lipids-and-carbohydrates-metabolism-in-experimental-hypercholesterolemia-biochemical-molecular-and-histopathological-study
#16
Dalia Yossri Saad, Mohamed Mohamed Soliman, Ahmed A Baiomy, Magdy Hassan Yassin, Hanan Basiouni El-Sawy
BACKGROUND: Hypercholesterolemia is a serious diseases associated with type-2 diabetes, atherosclerosis, cardiovascular disorders and liver diseases. Humans seek for safe herbal medication such as karela (Momordica charantia/bitter melon) to treat such disorders to avoid side effect of pharmacotherapies widely used. METHODS: Forty male Wistar rats were divided into four equal groups; control group with free access to food and water, cholesterol administered group (40 mg/kg BW orally); karela administered group (5 g /kg BW orally) and mixture of cholesterol and karela...
June 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28622464/the-impact-of-drugs-on-male-fertility-a-review
#17
REVIEW
M Semet, M Paci, J Saïas-Magnan, C Metzler-Guillemain, R Boissier, H Lejeune, J Perrin
Beside cytotoxic drugs, other drugs can impact men's fertility through various mechanisms. Via the modification of the hypothalamic-pituitary-gonadal axis hormones or by non-hormonal mechanisms, drugs may directly and indirectly induce sexual dysfunction and spermatogenesis impairment and alteration of epididymal maturation. This systematic literature review summarizes existing data about the negative impact and associations of pharmacological treatments on male fertility (excluding cytotoxic drugs), with a view to making these data more readily available for medical staff...
June 16, 2017: Andrology
https://www.readbyqxmd.com/read/28622065/leptin-gene-transfer-improves-symptoms-of-type-2-diabetic-mice-by-regulating-leptin-signaling-pathway-and-insulin-resistance-of-peripheral-tissues
#18
Lan Xiang, Jing Li, Qian Wang, Ruiqi Tang, Jianhua Qi
The leptin gene was transferred into the liver of streptozocin- and high fat diet-induced type 2 diabetic (T2D) mice by hydrodynamic-based gene delivery. The food intake, water consumption, glucose concentration, and triglyceride, total cholesterol levels of T2D mice were significantly decreased. Meanwhile, plasma leptin was remarkably increased after gene transfer for 2, 3, 5, and 7 days, while plasma adiponectin was also significantly increased at day 2. To understand the mechanism of action of leptin on T2D mice, gene expressions related to glycometabolism and energy metabolism in the liver, epididymal adipose tissue, hypothalamus, and muscle were measured...
June 16, 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28619239/antimicrobial-susceptibility-of-haemophilus-influenzae-strains-isolated-from-the-urethra-of-men-with-acute-urethritis-and-or-epididymitis
#19
Takashi Deguchi, Shin Ito, Kyoko Hatazaki, Kengo Horie, Mitsuru Yasuda, Keita Nakane, Kosuke Mizutani, Tomohiro Tsuchiya, Shigeaki Yokoi, Nozomu Hanaoka, Ken Shimuta, Makoto Ohnishi, Tetsuro Muratani, Masahiro Nakano
We determined minimum inhibitory concentrations (MICs) of 41 antimicrobial agents for 73 clinical strains of Haemophilusinfluenzae isolated from the urethra of men with acute urethritis and/or epididymitis and examined the strains for the production of β-lactamase. We also compared their antimicrobial susceptibilities with those of H. influenzae strains from respiratory tract or otorhinolaryngological infections that were reported in Japan. The proportion of β-lactamase-nonproducing ampicillin-resistant strains from acute urethritis and/or epididymitis appeared to be lower, but that of β-lactamase-producing ampicillin-resistant strains appeared to be higher, compared with those from respiratory tract or otorhinolaryngological infections...
June 12, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28611113/active-paraoxonase-1-is-synthesised-throughout-the-internal-boar-genital-organs
#20
Isabel Barranco, Cristina Perez-Patiño, Asta Tvarijonaviciute, Inmaculada Parrilla, Alejandro Vicente-Carrillo, Manuel Alvarez-Rodriguez, Jose J Ceron, Emilio Martinez, Heriberto Rodriguez-Martinez, Jordi Roca
The paraoxonase type 1 (PON1) is an enzyme with antioxidant properties recently identified in the seminal plasma (SP) of several species, including the porcine. The aims of the present study were to (1) describe the inmunohistochemical localization of PON1 in the genital organs of fertile boars and (2) evaluate the relationship among PON1 activity and high-density lipoprotein cholesterol (HDL-C) concentration in fluids of the boar genital organs. Immunohistochemical analysis demonstrated that PON1 was present in testis (specifically in Leydig cells, blood vessels, spermatogonia and elongated spermatids), epididymis (specifically in the cytoplasm of the principal epithelial cells, luminal secretion and in the surrounding smooth muscle) and the lining epithelia of the accessory sexual glands (cytoplasmic location in the prostate and membranous in the seminal vesicle and bulbourethral glands)...
June 13, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
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