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https://www.readbyqxmd.com/read/28526781/cd36-is-essential-for-endurance-improvement-changes-in%C3%A2-whole-body-metabolism-and-efficient-ppar-related-transcriptional-responses-in-the-muscle-with-exercise-training
#1
Mark Christian C Manio, Shigenobu Matsumura, Daisaku Masuda, Kazuo Inoue
Although circulating fatty acids are utilized as energy substrates, they also function as ligands to the peroxisome-proliferator activated receptors (PPARs), a family of fatty acid sensing transcription factors. Exercise training leads to various adaptations in the muscle such as elevation of glycogen content, mitochondrial number as well as upregulation of fatty acid uptake and utilization through downstream transcriptional adaptations. In line with this, CD36 has been shown to be critical in controlling fatty acid uptake and consequently, fatty acid oxidation...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28525898/ginsenoside-rg3-inhibits-the-senescence-of-prostate-stromal-cells-through-down-regulation-of-interleukin-8-expression
#2
Yanfei Peng, Ran Zhang, Lingfei Kong, Yongmei Shen, Da Xu, Fang Zheng, Jianwei Liu, Qian Wu, Bona Jia, Ju Zhang
Senescent stromal cells support the development of prostate cancer and are considered potential therapeutic targets. This research evaluated the regulatory effects of ginsenoside Rg3 on the senescence of prostatic stromal cells pre-incubated in medium supplemented with 0.5% fetal bovine serum. The results revealed that ginsenoside Rg3 decreased the number of stromal cells positively stained with a senescent cell marker (senescence-associated β-galactosidase). Ginsenoside Rg3 also increased the viability of stromal cells and promoted cell cycle transition from G0/G1 to S phase, as well as inhibited the carcinoma-associated fibroblast-like phenotype in prostate stromal cells, through the up-regulation of smooth muscle cell markers SM22 and smooth muscle myosin heavy chain...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#3
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28514832/anti-obesity-effects-of-tea-from-mangifera-indica-l-leaves-of-the-ub%C3%A3-variety-in-high-fat-diet-induced-obese-rats
#4
Natalia Medina Ramírez, Renata C Lopes Toledo, Maria E Castro Moreira, Hércia Stampini Duarte Martino, Laércio Dos Anjos Benjamin, José H de Queiroz, Andréia Queiroz Ribeiro, Sônia Machado Rocha Ribeiro
Due to the high content of bioactive compounds, herbal teas are being investigated as adjuvant in chronic disease management. Studies have shown that mango leaf tea contain mangiferin, total phenolics and antioxidants, compounds with many functional properties. Therefore, this study aims to evaluate the anti-obesity effects of tea from Mangifera indica L. leaves, Ubá variety (TML), in obese rats fed a high-fat diet (HFD). For this, adult male Wistar rats were divided into three groups (n=8): the control group (fed AIN-93 diet), obese group (fed a HFD) and treated group (fed a HFD and supplemented with TML for 8 weeks)...
May 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28513557/calcium-supplement-derived-from-gallus-gallus-domesticus-promotes-bmp-2-runx2-smad5-and-suppresses-trap-rank-expression-through-mapk-signaling-activation
#5
Han Seok Yoo, Gyung-Ji Kim, Da Hye Song, Kang-Hyun Chung, Kwon-Jai Lee, Dong-Hee Kim, Jeung Hee An
The present study evaluated the effects of a calcium (Ca) supplement derived from Gallus gallus domesticus (GD) on breaking force, microarchitecture, osteogenic differentiation and osteoclast differentiation factor expression in vivo in Ca-deficient ovariectomized (OVX) rats. One percent of Ca supplement significantly improved Ca content and bone strength of the tibia. In micro-computed tomography analysis, 1% Ca supplement attenuated OVX- and low Ca-associated changes in bone mineral density, trabecular thickness, spacing and number...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28512649/purification-and-characterization-of-schwann-cells-from-adult-human-skin-and-nerve
#6
Jo Anne Stratton, Ranjan Kumar, Sarthak Sinha, Prajay Shah, Morgan Stykel, Yuval Shapira, Rajiv Midha, Jeff Biernaskie
Despite its modest capacity for regeneration, peripheral nervous system injury often results in significant long-term disability. Supplementing peripheral nervous system injury with autologous Schwann cells (SCs) may serve to rejuvenate the postinjury environment to enhance regeneration and ultimately improve functional outcomes. However, human nerve-derived SC (hN-SC) collection procedures require invasive surgical resection. Here, we describe the characterization of SCs from adult human skin (hSk-SCs) of four male donors ranging between 27 and 46 years old...
May 2017: ENeuro
https://www.readbyqxmd.com/read/28508101/in-depth-clinico-pathological-examination-of-rna-foci-in-a-large-cohort-of-c9orf72-expansion-carriers
#7
Mariely DeJesus-Hernandez, NiCole A Finch, Xue Wang, Tania F Gendron, Kevin F Bieniek, Michael G Heckman, Aliaksei Vasilevich, Melissa E Murray, Linda Rousseau, Rachael Weesner, Anthony Lucido, Meeia Parsons, Jeannie Chew, Keith A Josephs, Joseph E Parisi, David S Knopman, Ronald C Petersen, Bradley F Boeve, Neill R Graff-Radford, Jan de Boer, Yan W Asmann, Leonard Petrucelli, Kevin B Boylan, Dennis W Dickson, Marka van Blitterswijk, Rosa Rademakers
A growing body of evidence suggests that a loss of chromosome 9 open reading frame 72 (C9ORF72) expression, formation of dipeptide-repeat proteins, and generation of RNA foci contribute to disease pathogenesis in amyotrophic lateral sclerosis and frontotemporal dementia. Although the levels of C9ORF72 transcripts and dipeptide-repeat proteins have already been examined thoroughly, much remains unknown about the role of RNA foci in C9ORF72-linked diseases. As such, we performed a comprehensive RNA foci study in an extensive pathological cohort of C9ORF72 expansion carriers (n = 63)...
May 15, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/28507412/the-effects-of-quercetin-on-microrna-and-inflammatory-gene-expression-in-lipopolysaccharide-stimulated-bovine-neutrophils
#8
Phongsakorn Chuammitri, Suphakit Srikok, Duanghathai Saipinta, Sukolrat Boonyayatra
AIM: To investigate gene expression of microRNA (miRNA) milieus (MIRLET7E, MIR17, MIR24-2, MIR146A, and MIR181C), inflammatory cytokine genes (interleukin 1β [IL1B], IL6, CXCL8, and tumor necrosis factor [TNF]), and the pathogen receptor toll-like receptor (TLR4) in bovine neutrophils under quercetin supplementation. MATERIALS AND METHODS: Isolated bovine neutrophils were incubated with bacterial lipopolysaccharide under quercetin treatment or left untreated. Real-time polymerase chain reaction was performed to determine the expression of the miRNAs and messenger RNA (mRNA) transcripts in neutrophils...
April 2017: Veterinary World
https://www.readbyqxmd.com/read/28503850/roles-of-spermine-in-modulating-the-antioxidant-status-and-nrf2-signalling-molecules-expression-in-the-thymus-and-spleen-of-suckling-piglets-new-insight
#9
W Cao, X Xu, G Jia, H Zhao, X Chen, C Wu, J Tang, J Wang, J Cai, G Liu
This study aimed to investigate the effects of spermine and extended spermine administration on the antioxidant status and expression of NF-E2-related factor 2 (Nrf2) signalling molecules in the thymus and spleen in suckling piglets. One half of eighty 12-day-old suckling piglets obtained sufficient nutrient intake supplemented with spermine (0.4 mmol/kg body weight), and another half received restricted nutrient intake supplemented with physiological saline in equal doses once a day for 7 hr or 3, 6 or 9 days in pairs...
May 15, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28501726/osteogenic-differentiation-of-mesenchymal-stem-cells-is-impaired-by-bone-morphogenetic-protein-7
#10
Paweena Wongwitwichot, Jasadee Kaewsrichan
PURPOSE: Mesenchymal stem cells (MSCs) are multipotent adult stem cells and present in practically all tissues but originally identified within the bone marrow (BM). The differentiation potential of these cells is generally impaired when culturing in vitro for cell expansion. The aim of this study is to speedily increase the numbers of bone marrow derived mesenchymal stem cells (BM-MSCs) with substantially maintaining their differentiation potential in vitro and improving bone formation in vivo...
May 11, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28501579/eicosapentaenoic-acid-monoglyceride-resolves-inflammation-in-an-ex-vivo-model-of-human-peripheral-blood-mononuclear-cell
#11
Caroline Morin, Léane Charbonneau, Nicole Ouellet, Hélène Ouellet, Pierre U Blier, France Dufresne, Samuel Fortin
Phosphorylation and activation of p38 MAPK and NFκB pathways, along with the resulting overproduction of interleukin IL-1β, IL-6, and tumor necrosis factor a (TNFα) is a hallmark of inflammatory disorders. Omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementations are known to exert anti-inflammatory properties by reduction of keys cytokines and enzymes involved in inflammation. Here, we investigated the anti-inflammatory pathways and mediators modulated by eicosapentaenoic acid monoglyceride (MAG-EPA) on human peripheral blood mononuclear cells (PBMCs) from healthy donors and stimulated, ex vivo, with lipopolysaccharide (LPS)...
May 10, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28487428/microbiota-derived-short-chain-fatty-acids-modulate-expression-of-campylobacter-jejuni-determinants-required-for-commensalism-and-virulence
#12
Paul M Luethy, Steven Huynh, Deborah A Ribardo, Sebastian E Winter, Craig T Parker, David R Hendrixson
Campylobacter jejuni promotes commensalism in the intestinal tracts of avian hosts and diarrheal disease in humans, yet components of intestinal environments recognized as spatial cues specific for different intestinal regions by the bacterium to initiate interactions in either host are mostly unknown. By analyzing a C. jejuni acetogenesis mutant defective in converting acetyl coenzyme A (Ac-CoA) to acetate and commensal colonization of young chicks, we discovered evidence for in vivo microbiota-derived short-chain fatty acids (SCFAs) and organic acids as cues recognized by C...
May 9, 2017: MBio
https://www.readbyqxmd.com/read/28481944/a-consistent-and-potentially-exploitable-response-during-chondrogenesis-of-mesenchymal-stem-cells-from-osteoarthritis-patients-to-the-protein-encoded-by-the-susceptibility-gene-gdf5
#13
Madhushika Ratnayake, Maria Tselepi, Robert Bloxham, Frank Plöger, Louise N Reynard, John Loughlin
Osteoarthritis (OA) is a common joint disease characterised by the focal loss of the protective cartilage layer at the ends of the bones. It is painful, disabling, multifactorial and polygenic. The growth differentiation factor 5 gene GDF5 was one of the first reported OA susceptibility signals that showed consistent association to OA, with the transcript single nucleotide polymorphism (SNP) rs143383 demonstrating association in Asians and Europeans. The functional effect of the signal is reduced expression of the gene...
2017: PloS One
https://www.readbyqxmd.com/read/28480406/possible-regulation-of-ldl-receptor-by-naringenin-in-hepg2-hepatoma-cell-line
#14
Nora A Bawazeer, Hani Choudary, Mazin A Zamzami, Wesam H Abdulaal, Mustafa Zeyadi, Ashwag ALbukhari, Bruce Middleton, Said S Moselhy
BACKGROUND: High plasma concentration of low-density lipoprotein cholesterol (LDL-c) plays a significant role in the incidence of atherosclerosis and coronary heart diseases (CHD). MATERIALS AND METHODS: The purpose of this study was to investigate the mechanism by which citrus flavonoids, naringenin regulate the LDL receptor (LDLr) gene in human liver using the human hepatoma cell line, HepG2 as a model. RESULTS: Time-course transient transfection of HepG2 cells with luciferase reporter-gene constructs incorporating the promoters of SREBP-1a,-1c, -2 and LDLr, revealed that in lipoprotein-deficient medium (LPDM), only SREBP-1a promoter activity was increased significantly after 4h exposure to 200μM naringenin respectively...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28465428/hiv-exploits-antiviral-host-innate-gcn2-atf4-signaling-for-establishing-viral-replication-early-in-infection
#15
Guochun Jiang, Clarissa Santos Rocha, Lauren A Hirao, Erica A Mendes, Yuyang Tang, George R Thompson, Joseph K Wong, Satya Dandekar
Antiviral innate host defenses against acute viral infections include suppression of host protein synthesis to restrict viral protein production. Less is known about mechanisms by which viral pathogens subvert host antiviral innate responses for establishing their replication and dissemination. We investigated early innate defense against human immunodeficiency virus (HIV) infection and viral evasion by utilizing human CD4(+) T cell cultures in vitro and a simian immunodeficiency virus (SIV) model of AIDS in vivo Our data showed that early host innate defense against the viral infection involves GCN2-ATF4 signaling-mediated suppression of global protein synthesis, which is exploited by the virus for supporting its own replication during early viral infection and dissemination in the gut mucosa...
May 2, 2017: MBio
https://www.readbyqxmd.com/read/28464820/purification-and-characterization-of-a-novel-cold-adapted-fungal-glucoamylase
#16
Mario Carrasco, Jennifer Alcaíno, Víctor Cifuentes, Marcelo Baeza
BACKGROUND: Amylases are used in various industrial processes and a key requirement for the efficiency of these processes is the use of enzymes with high catalytic activity at ambient temperature. Unfortunately, most amylases isolated from bacteria and filamentous fungi have optimal activity above 45 °C and low pH. For example, the most commonly used industrial glucoamylases, a type of amylase that degrades starch to glucose, are produced by Aspergillus strains displaying optimal activities at 45-60 °C...
May 2, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28455626/influences-of-flavones-on-cell-viability-and-camp-dependent-steroidogenic-gene-regulation-in-ma-10-leydig-cells
#17
Michelle Cormier, Firas Ghouili, Pauline Roumaud, William Bauer, Mohamed Touaibia, Luc J Martin
Testicular Leydig cells are major contributors of androgen synthesis and secretion, which play an important role in testis development, normal masculinization, maintenance of spermatogenesis, and general male fertility. The rate-limiting step in testosterone biosynthesis involves the transfer of cholesterol to the mitochondrial inner membrane by the steroidogenic acute regulatory (Star) protein, a critical factor in steroid hormone biosynthesis. Once inside the mitochondria, cholesterol is metabolized by the steroidogenic enzyme Cyp11a1 to pregnenolone, which is further converted to testosterone by the action of other steroidogenic enzymes...
April 28, 2017: Cell Biology and Toxicology
https://www.readbyqxmd.com/read/28454818/plasma-immune-protein-analysis-in-the-orange-spotted-grouper-epinephelus-coioides-evidence-for-altered-expressions-of-immune-factors-associated-with-a-choline-supplemented-diet
#18
Ya-Li Shiu, Kuo-Hsun Chiu, Truong-Giang Huynh, Ping-Chung Liu, Chun-Hung Liu
This study aimed to unravel the regulatory roles of choline in activating immune responses and disease resistance of the orange-spotted grouper Epinephelus coioides. Fish were fed a choline-supplemented diet at 1 g kg(-1) of feed for 30 days. Fish fed a fish meal basal diet without choline-supplement served as controls. At the end of the feeding trial, fish were challenged with Vibrio alginolyticus. Meanwhile, plasma proteomics of fish in each group were also evaluated by two-dimensional gel electrophoresis (2-DE), and differentially expressed proteins were identified by tandem mass spectrophotometry (MS/MS), then a Western blot analysis or real-time polymerase chain reaction was used to confirm differential expressions of immune-enhancing proteins...
April 25, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28450151/quercetin-a-natural-product-supplement-impairs-mitochondrial-bioenergetics-and-locomotor-behavior-in-larval-zebrafish-danio-rerio
#19
Ji-Liang Zhang, Christopher Laurence Souders, Nancy D Denslow, Christopher J Martyniuk
Quercetin is a natural product that is sold as a supplement in health food stores. While there are reported benefits for this flavonoid as a dietary supplement due to antioxidant properties, the full scope of its biological interactions has not been fully addressed. To learn more about the mechanisms of action related to quercetin, we exposed zebrafish (Danio rerio) embryos to 1 and 10μg/L quercetin for 96h starting at 3h post fertilization. Quercetin up to 10μg/L did not induce significant mortality in developing fish, but did increase prevalence of an upward-curved dorsal plane in hatched larvae...
April 25, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28447755/gene-expression-profile-in-human-induced-pluripotent-stem-cells-chondrogenic-differentiation-in-vitro-part-a
#20
Wiktoria Maria Suchorska, Ewelina Augustyniak, Magdalena Richter, Tomasz Trzeciak
Human induced pluripotent stem cells (hiPSCs) offer promise in regenerative medicine, however more data are required to improve understanding of key aspects of the cell differentiation process, including how specific chondrogenic processes affect the gene expression profile of chondrocyte‑like cells and the relative value of cell differentiation markers. The main aims of the present study were as follows: To determine the gene expression profile of chondrogenic-like cells derived from hiPSCs cultured in mediums conditioned with HC‑402‑05a cells or supplemented with transforming growth factor β3 (TGF‑β3), and to assess the relative utility of the most commonly used chondrogenic markers as indicators of cell differentiation...
May 2017: Molecular Medicine Reports
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