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https://www.readbyqxmd.com/read/28534088/the-ppar-gamma-binding-sequence-pal3-is-necessary-for-basal-but-dispensable-for-high-fat-diet-regulated-human-renin-expression-in-the-kidney
#1
Peter Lachmann, Jenny Selbmann, Linda Hickmann, Bernd Hohenstein, Christian Hugo, Vladimir T Todorov
We reported earlier that PPAR-gamma regulates renin transcription through a human-specific atypical binding sequence termed hRen-Pal3. Here we developed a mouse model to investigate the functional relevance of the hRen-Pal3 sequence in vivo since it might be responsible for the increased renin production in obesity and thus for the development of accompanying arterial hypertension. We used bacterial artificial chromosome construct and co-placement strategy to generate two transgenic mouse lines expressing the human renin gene from identical genomic locus without affecting the intrinsic mouse renin expression...
May 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28521863/high-pre-ischemic-fatty-acid-levels-decrease-cardiac-recovery-in-an-isolated-rat-heart-model-of-donation-after-circulatory-death
#2
Petra Niederberger, Emilie Farine, Maria Arnold, Rahel K Wyss, Maria N Sanz, Natalia Méndez-Carmona, Brigitta Gahl, Georg M Fiedler, Thierry P Carrel, Hendrik T Tevaearai Stahel, Sarah L Longnus
RATIONALE: Donation after circulatory death (DCD) could improve cardiac graft availability. However, strategies to optimize cardiac graft recovery remain to be established in DCD; these hearts would be expected to be exposed to high levels of circulatory fat immediately prior to the inevitable period of ischemia prior to procurement. OBJECTIVE: We investigated whether acute exposure to high fat prior to warm, global ischemia affects subsequent hemodynamic and metabolic recovery in an isolated rat heart model of DCD...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28489803/reproducibility-analysis-on-shear-wave-elastography-swe-based-quantitative-assessment-for-skin-elasticity
#3
Yang Sun, Chuan Ma, XiaoLong Liang, Run Wang, Ying Fu, ShuMin Wang, LiGang Cui, ChunLei Zhang
Shear Wave Elastography (SWE) is an objective and non-invasive method widely used to quantify the tissue solidity. However, there are concerns about the accuracy of the skin SWE results due to the low signal-to-noise ratio (SNR) caused by subcutaneous fat, muscle and bone. This article analyzed the reproducibility of the result for skin SWE and therefore evaluated the availability of SME for skin elasticity involved diseases. Thirty volunteers (mean age: 37 ± 12 years) were selected. SWE were taken on the skin of abdomen and the middle tibia in order to assess the impact of fat, muscle and bone on SWE results...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28486018/development-and-validation-of-skinfold-model-for-estimation-of-body-density-for-a-safe-weight-reduction-in-young-iranian-wrestlers
#4
Sadjad Riyahi-Alam, Mohammad Ali Mansournia, Yaser Kabirizadeh, Nasrin Mansournia, Ewout Steyerberg, Ramin Kordi
BACKGROUND: Adverse effects of excessive body mass reduction among wrestlers dictate minimum weight determination through body composition. Although skinfold equations are essential to estimate body composition in the field setting, they are mostly derived from Western societies and may lack generalizability to other populations. PURPOSE: Previously published skinfold equations lacked external validity in predicting body density of Iranian wrestlers. We aimed to derive a new anthropometric model specific to young Iranian male wrestlers...
May 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28484112/association-between-serum-elaidic-acid-concentration-and-insulin-resistance-in-two-japanese-cohorts-with-different-lifestyles
#5
Kiyotaka Itcho, Yoko Yoshii, Haruya Ohno, Kenji Oki, Masakazu Shinohara, Yasuhiro Irino, Ryuji Toh, Tatsuro Ishida, Ken-Ichi Hirata, Masayasu Yoneda
AIM: Many cohort studies have shown that increased trans fatty acid (TFA) intake increases the risk of developing coronary heart disease. However, whether TFA intake is directly associated with the development of diabetes mellitus (DM) remains unknown. METHODS: We performed the 75-g oral glucose tolerance test in two Japanese cohorts: a cohort of 454 native Japanese living in Hiroshima, Japan, and a cohort of 426 Japanese-Americans living in Los Angeles, USA, who shared identical genetic predispositions but had different lifestyles...
May 9, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28484089/xenogeneic-human-umbilical-cord-derived-mesenchymal-stem-cells-reduce-mortality-in-rats-with-acute-respiratory-distress-syndrome-complicated-by-sepsis
#6
Fan-Yen Lee, Kuan-Hung Chen, Christopher Glenn Wallace, Pei-Hsun Sung, Jiunn-Jye Sheu, Sheng-Ying Chung, Yung-Lung Chen, Hung-I Lu, Sheung-Fat Ko, Cheuk-Kwan Sun, Hsin-Ju Chiang, Hsueh-Wen Chang, Mel S Lee, Hon-Kan Yip
This study tested the hypothesis that xenogeneic human umbilical cord-derived mesenchymal stem cell (HUCDMSC) therapy would improve survival rates in rats with acute respiratory distress-syndrome (ARDS, induction by 48 h inhalation of 100% oxygen) and sepsis-syndrome (SS, induction by cecal-ligation and puncture) (ARDS-SS). Adult-male Sprague-Dawley rats were categorized into group 1 (sham-controls), group 2 (ARDS-SS), group 3 [ARDS-SS+HUCDMSC (1.2 x106 cells administered 1 h after SS-induction)], and group 4 [ARDS-SS+HUCDMSC (1...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28469772/epo-cyclosporine-combination-therapy-reduced-brain-infarct-area-in-rat-after-acute-ischemic-stroke-role-of-innate-immune-inflammatory-response-micro-rnas-and-mapk-family-signaling-pathway
#7
Chun-Man Yuen, Kuo-Ho Yeh, Christopher Glenn Wallace, Kuan-Hung Chen, Hung-Sheng Lin, Pei-Hsun Sung, Han-Tan Chai, Yung-Lung Chen, Cheuk-Kwan Sun, Chih-Hung Chen, Gour-Shenq Kao, Sheung-Fat Ko, Hon-Kan Yip
This study tested the hypothesis that erythropoietin (EPO) and cyclosporine (CsA) could effectively reduce brain infarct area (BIA) in rat after acute ischemic stroke (AIS) through regulating inflammation, oxidative stress, MAPK family signaling and microRNA (miR-223/miR-30a/miR-383). Adult male Sprague-Dawley rats (n = 48) were equally divided into group 1 (sham control), group 2 (AIS), group 3 [AIS+EPO (5,000 IU/kg at 0.5/24/48 h, subcutaneous)] and group 4 [AIS+CsA (20.0 mg/kg at 0.5/24/48 h, intra-peritoneal)]...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28446627/silicon-alleviates-nonalcoholic-steatohepatitis-by-reducing-apoptosis-in-aged-wistar-rats-fed-a-high-saturated-fat-high-cholesterol-diet
#8
Alba Garcimartín, M Elvira López-Oliva, Jorge A Sántos-López, Rosa A García-Fernández, Adrián Macho-González, Sara Bastida, Juana Benedí, Francisco J Sánchez-Muniz
Background: Lipoapoptosis has been identified as a key event in the progression of nonalcoholic fatty liver disease (NAFLD), and hence, antiapoptotic agents have been recommended as a possible effective treatment for nonalcoholic steatohepatitis (NASH). Silicon, included in meat as a functional ingredient, improves lipoprotein profiles and liver antioxidant defenses in aged rats fed a high-saturated fat, high-cholesterol diet (HSHCD). However, to our knowledge, the antiapoptotic effect of this potential functional meat on the liver has never been tested...
April 26, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28445454/body-composition-at-birth-and-its-relationship-with-neonatal-anthropometric-ratios-the-newborn-body-composition-study-of-the-intergrowth-21st-project
#9
José Villar, Fabien A Puglia, Tanis R Fenton, L Cheikh Ismail, Eleonora Staines-Urias, Francesca Giuliani, Eric O Ohuma, Cesar G Victora, Peter Sullivan, Fernando C Barros, Ann Lambert, Aris T Papageorghiou, Roseline Ochieng, Yasmin A Jaffer, Douglas G Altman, Alison J Noble, Michael G Gravett, Manorama Purwar, Ruyan Pang, Ricardo Uauy, Stephen H Kennedy, Zulfiqar A Bhutta
BACKGROUND: We aimed to describe newborn body composition and identify which anthropometric ratio (weight/length; BMI; or ponderal index, PI) best predicts fat mass (FM) and fat-free mass (FFM). METHODS: Air-displacement plethysmography (PEA POD) was used to estimate FM, FFM and body fat percentage (BF%). Associations between FFM, FM and BF% and weight/length, BMI and PI were evaluated in 1,019 newborns using multivariate regression analysis. Charts for FM, FFM and BF% were generated using a prescriptive sub-sample (n=247)...
April 26, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28428261/ebf2-transcriptionally-regulates-brown-adipogenesis-via-the-histone-reader-dpf3-and-the-baf-chromatin-remodeling-complex
#10
Suzanne N Shapira, Hee-Woong Lim, Sona Rajakumari, Alexander P Sakers, Jeff Ishibashi, Matthew J Harms, Kyoung-Jae Won, Patrick Seale
The transcription factor early B-cell factor 2 (EBF2) is an essential mediator of brown adipocyte commitment and terminal differentiation. However, the mechanisms by which EBF2 regulates chromatin to activate brown fat-specific genes in adipocytes were unknown. ChIP-seq (chromatin immunoprecipitation [ChIP] followed by deep sequencing) analyses in brown adipose tissue showed that EBF2 binds and regulates the activity of lineage-specific enhancers. Mechanistically, EBF2 physically interacts with the chromatin remodeler BRG1 and the BAF chromatin remodeling complex in brown adipocytes...
April 1, 2017: Genes & Development
https://www.readbyqxmd.com/read/28417910/effects-of-three-commercially-available-sports-drinks-on-substrate-metabolism-and-subsequent-endurance-performance-in-a-postprandial-state
#11
Lu Qin, Qi-Rong Wang, Zi-Long Fang, Ting Wang, Ai-Qi Yu, Yu-Jie Zhou, Yi Zheng, Mu-Qing Yi
Purpose: To examine the effects of commercially available sports beverages with various components on substrate metabolism and subsequent performance. Methods: Two studies were conducted in a double-blinded, counterbalanced manner. Study I was designed to determine the glycemic index, while study II determined the utilization of substrates and subsequent exercise performance. Ten healthy male participants (age 21.70 ± 2.41 years, height 176.60 ± 5.23 cm, weight 66.58 ± 5.38 kg, V̇O2max 48.1 ± 8.4 mL/kg/min) participated in both study I and study II...
April 12, 2017: Nutrients
https://www.readbyqxmd.com/read/28407742/higher-neonatal-growth-rate-and-body-condition-score-at-7%C3%A2-months-are-predictive-factors-of-obesity-in-adult-female-beagle-dogs
#12
Lucie Leclerc, Chantal Thorin, John Flanagan, Vincent Biourge, Samuel Serisier, Patrick Nguyen
BACKGROUND: The risks during early growth on becoming overweight in adulthood are widely studied in humans. However, early-life predictive factors for canine adult overweight and obesity have not yet been studied. To identify factors that may help explain the development of overweight and obesity at adulthood in dogs, a longitudinal study of 2 years was conducted in 24 female Beagle dogs of the same age, sexual status, and raised under identical environmental conditions. By means of a hierarchical classification on principal components with the following quantitative values: fat-free mass (FFM), percentage fat mass and pelvic circumference at 2 years of age, three groups of dogs were established and were nominally named: ideal weight (IW, n = 9), slightly overweight (OW1, n = 6) and overweight (OW2, n = 9)...
April 13, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28390717/the-effects-of-heat-stress-on-protein-metabolism-in-lactating-holstein-cows
#13
S T Gao, J Guo, S Y Quan, X M Nan, M V Sanz Fernandez, L H Baumgard, D P Bu
Heat stress (HS) decreases milk protein synthesis beyond what would be expected based on the concomitant reduction in feed intake. The aim of the present study was to evaluate the direct effects of HS on milk protein production. Four multiparous, lactating Holstein cows (101 ± 10 d in milk, 574 ± 36 kg of body weight, 38 ± 2 kg of milk/d) were individually housed in environmental chambers and randomly allocated to 1 of 2 groups in a crossover design. The study was divided into 2 periods with 2 identical experimental phases (control phase and trial phase) within each period...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28386694/effect-of-alcohol-after-muscle-damaging-resistance-exercise-on-muscular-performance-recovery-and-inflammatory-capacity-in-women
#14
Danielle E Levitt, Hui-Ying Luk, Anthony A Duplanty, Brian K McFarlin, David W Hill, Jakob L Vingren
PURPOSE: To investigate the effect of acute alcohol consumption on muscular performance recovery, assessed by maximal torque production, and on inflammatory capacity, assessed by lipopolysaccharide (LPS)-stimulated cytokine production, following muscle-damaging resistance exercise in women. METHODS: Thirteen recreationally resistance-trained women completed two identical exercise bouts (300 maximal single-leg eccentric leg extensions) followed by alcohol (1.09 g ethanol kg(-1) fat-free body mass) or placebo ingestion...
April 6, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28376142/characterization-and-expression-analysis-of-attacins-antimicrobial-peptide-encoding-genes-from-the-desert-beetle-microdera-punctipennis-in-response-to-low-temperatures
#15
J Q Li, X Y Lu, J Ma
BACKGROUND: Antimicrobial peptides (AMPs) constitute the insect innate immune defense system. AMP production is usually induced by microbes. However, mounting evidence links insect immune reaction to cold hardiness. OBJECTIVE: We aimed at characterizing two attacins, MpAtt1 and MpAtt2, from the desert beetle Microdera punctipennis in Coleoptera and investigating the expression profiles of the two genes in response to cold stress. RESULTS: Full lengths MpAtt1 and MpAtt2 cDNAs were obtained from low temperature transcriptomic data...
January 2017: Cryo Letters
https://www.readbyqxmd.com/read/28372849/effect-of-oral-protein-hydrolysate-on-glucose-control-in-patients-with-gestational-diabetes
#16
Langeza Saleh, Nicole L Schrier, Maaike J Bruins, Eric A P Steegers, Anton H van den Meiracker, Willy Visser
BACKGROUND & AIMS: In type 2 diabetic patients, a casein-based protein hydrolysate has been shown to increase plasma insulin and to lower plasma glucose. In the present study, we examined the acute and prolonged effects of protein hydrolysate on postprandial glucose, insulin and C-peptide responses after a standardised breakfast and the effect on daily glucose control in patients with gestational diabetes. METHODS: In a single-centre randomised double blind placebo controlled design, patients with mild gestational diabetes (no use of insulin or oral antidiabetic agents; n = 26/group) were allocated to receive a protein hydrolysate drink, 8...
March 16, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28365125/development-of-subcutaneous-fat-in-spanish-and-latin-american-children-and-adolescents-reference-values-for-biceps-triceps-subscapular-and-suprailiac-skinfolds
#17
M D Marrodán, M González-Montero de Espinosa, Á Herráez, E L Alfaro, I F Bejarano, M Carmenate, D B Lomaglio, N López-Ejeda, A Martínez, M S Mesa, B Méndez Pérez, J M Meléndez, S Moreno-Romero, J L Pacheco, V Vázquez, J E Dipierri
Subcutaneous fat skinfolds represent a reliable assessment instrument of adiposity status. This study provides current percentile references for four subcutaneous skinfolds (biceps, triceps, subscapular, suprailiac) applicable to children and adolescents in Spain and in Latin American countries where data are scarce. The design consisted of a cross-sectional multicenter study performed with identical methods in 5 countries (Argentina, Cuba, Mexico, Spain and Venezuela). Total sample comprised 9163 children and youths (boys 4615 - girls 4548) aged 6-18 years, healthy and without apparent pathologies...
February 22, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28352942/long-term-dietary-nitrite-and-nitrate-deficiency-causes-the-metabolic-syndrome-endothelial-dysfunction-and-cardiovascular-death-in-mice
#18
Mika Kina-Tanada, Mayuko Sakanashi, Akihide Tanimoto, Tadashi Kaname, Toshihiro Matsuzaki, Katsuhiko Noguchi, Taro Uchida, Junko Nakasone, Chisayo Kozuka, Masayoshi Ishida, Haruaki Kubota, Yuji Taira, Yuichi Totsuka, Shin-Ichiro Kina, Hajime Sunakawa, Junichi Omura, Kimio Satoh, Hiroaki Shimokawa, Nobuyuki Yanagihara, Shiro Maeda, Yusuke Ohya, Masayuki Matsushita, Hiroaki Masuzaki, Akira Arasaki, Masato Tsutsui
AIMS/HYPOTHESIS: Nitric oxide (NO) is synthesised not only from L-arginine by NO synthases (NOSs), but also from its inert metabolites, nitrite and nitrate. Green leafy vegetables are abundant in nitrate, but whether or not a deficiency in dietary nitrite/nitrate spontaneously causes disease remains to be clarified. In this study, we tested our hypothesis that long-term dietary nitrite/nitrate deficiency would induce the metabolic syndrome in mice. METHODS: To this end, we prepared a low-nitrite/nitrate diet (LND) consisting of an amino acid-based low-nitrite/nitrate chow, in which the contents of L-arginine, fat, carbohydrates, protein and energy were identical with a regular chow, and potable ultrapure water...
March 28, 2017: Diabetologia
https://www.readbyqxmd.com/read/28352663/retinol-binding-protein-7-is-an-endothelium-specific-ppar%C3%AE-cofactor-mediating-an-antioxidant-response-through-adiponectin
#19
Chunyan Hu, Henry L Keen, Ko-Ting Lu, Xuebo Liu, Jing Wu, Deborah R Davis, Stella-Rita C Ibeawuchi, Silke Vogel, Frederick W Quelle, Curt D Sigmund
Impaired PPARγ activity in endothelial cells causes oxidative stress and endothelial dysfunction which causes a predisposition to hypertension, but the identity of key PPARγ target genes that protect the endothelium remain unclear. Retinol-binding protein 7 (RBP7) is a PPARγ target gene that is essentially endothelium specific. Whereas RBP7-deficient mice exhibit normal endothelial function at baseline, they exhibit severe endothelial dysfunction in response to cardiovascular stressors, including high-fat diet and subpressor angiotensin II...
March 23, 2017: JCI Insight
https://www.readbyqxmd.com/read/28348140/a-classification-system-for-zebrafish-adipose-tissues
#20
James E N Minchin, John F Rawls
The zebrafish model system offers significant utility for in vivo imaging of adipose tissue (AT) dynamics, and screening to identify chemical and genetic modifiers of adiposity. In particular, AT can be accurately quantified in live zebrafish using fluorescent lipophilic dyes (FLDs). Although, this methodology offers considerable promise, the comprehensive identification and classification of zebrafish ATs has not been performed. Here we utilize FLDs and in vivo imaging to systematically identify, classify and quantify the zebrafish AT pool...
March 27, 2017: Disease Models & Mechanisms
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