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Muscle promoting diets

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https://www.readbyqxmd.com/read/28743802/enhancing-natriuretic-peptide-signaling-in-adipose-tissue-but-not-in-muscle-protects-against-diet-induced-obesity-and-insulin-resistance
#1
Wei Wu, Fubiao Shi, Dianxin Liu, Ryan P Ceddia, Robert Gaffin, Wan Wei, Huafeng Fang, E Douglas Lewandowski, Sheila Collins
In addition to controlling blood pressure, cardiac natriuretic peptides (NPs) can stimulate lipolysis in adipocytes and promote the "browning" of white adipose tissue. NPs may also increase the oxidative capacity of skeletal muscle. To unravel the contribution of NP-stimulated metabolism in adipose tissue compared to that in muscle in vivo, we generated mice with tissue-specific deletion of the NP clearance receptor, NPRC, in adipose tissue (Nprc(AKO) ) or in skeletal muscle (Nprc(MKO) ). We showed that, similar to Nprc null mice, Nprc(AKO) mice, but not Nprc(MKO) mice, were resistant to obesity induced by a high-fat diet...
July 25, 2017: Science Signaling
https://www.readbyqxmd.com/read/28743735/lilrb4-deficiency-aggravates-the-development-of-atherosclerosis-and-plaque-instability-by-increasing-the-macrophage-inflammatory-response-via-nf-%C3%AE%C2%BAb-signaling
#2
Zhou Jiang, Juan-Juan Qin, Yaxing Zhang, Wen-Lin Cheng, Yan-Xiao Ji, Fu-Han Gong, Xue-Yong Zhu, Yan Zhang, Zhi-Gang She, Zan Huang, Hongliang Li
Atherosclerosis is a chronic inflammatory disease. LILRB4 is associated with the pathological processes of various inflammatory diseases. However, the potential function and underlying mechanisms of LILRB4 in atherogenesis remain to be investigated. In this study, LILRB4 expression was examined in both human and mouse atherosclerotic plaques. The effects and possible mechanisms of LILRB4 in atherogenesis and plaque instability were evaluated in LILRB4(-/-)ApoE(-/-) and ApoE(-/-) mice fed a high-fat diet. We found that LILRB4 was located primarily in macrophages, and its expression was up-regulated in atherosclerotic lesions from human coronary arteries and mouse aortic roots...
July 25, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28734229/effects-of-dietary-starch-types-on-early-postmortem-muscle-energy-metabolism-in-finishing-pigs
#3
Y J Li, T Gao, J L Li, L Zhang, F Gao, G H Zhou
This study aimed to investigate the effects of different dietary starch types on early postmortem muscle energy metabolism in finishing pigs. Ninety barrows (68.0±2.0kg) were randomly allotted to three experimental diets with five replicates of six pigs, containing pure waxy maize starch (WMS), nonwaxy maize starch (NMS), and pea starch (PS) (amylose/amylopectin were 0.07, 0.19 and 0.28 respectively). Compared with the WMS diet, pigs fed the PS diet exhibited greater creatine kinase activity, higher adenosine triphosphate and adenosine diphosphate contents, lower phosphocreatine (PCr), adenosine monophosphate and glycogen contents, and lower glycolytic potential (P<0...
July 12, 2017: Meat Science
https://www.readbyqxmd.com/read/28727051/carotenoid-intake-and-scd-genotype-exert-complementary-effects-over-fat-content-and-fatty-acid-composition-in-duroc-pigs
#4
E Henriquez-Rodriguez, R N Pena, A R Seradj, L Fraile, P Christou, M Tor, J Estany
Nutritional and genetic strategies are needed to enhance intramuscular fat (IMF) and MUFA content without altering carcass leanness. Dietary vitamin A restriction has been suggested to specifically promote IMF, whereas a polymorphism of the () gene has shown to specifically increase MUFA. The purpose of this study was to investigate the combined effects of provitamin A (PVA) carotenoid intake and genotype (>) on hepatic retinoid content and on the liver, muscle (LM and gluteus medius [GM]), and subcutaneous fat (SF) content and fatty acid composition...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28724742/the-myokine-irisin-is-released-in-response-to-saturated-fatty-acids-and-promotes-pancreatic-beta-cell-survival-and-insulin-secretion
#5
Annalisa Natalicchio, Nicola Marrano, Giuseppina Biondi, Rosaria Spagnuolo, Rossella Labarbuta, Immacolata Porreca, Angelo Cignarelli, Marco Bugliani, Piero Marchetti, Sebastio Perrini, Luigi Laviola, Francesco Giorgino
This study explored the role of irisin as a new pancreatic beta-cell secretagogue and survival factor and its potential role in the communication between skeletal muscle and pancreatic beta-cells under lipotoxic conditions. Recombinant irisin stimulated insulin biosynthesis and glucose-stimulated insulin secretion (GSIS) in a PKA-dependent manner, and prevented saturated fatty acid-induced apoptosis in human and rat pancreatic beta-cells, as well as in human and murine pancreatic islets, via AKT/BCL2 signaling...
July 19, 2017: Diabetes
https://www.readbyqxmd.com/read/28723843/no-superior-adaptations-to-carbohydrate-periodization-in-elite-endurance-athletes
#6
Kasper Degn Gejl, Line Thams, Mette Hansen, Torben Rokkedal-Lausch, Peter Plomgaard, Lars Nybo, Filip J Larsen, Daniele A Cardinale, Kurt Jensen, Hans-Christer Holmberg, Kristian Vissing, Niels Ørtenblad
PURPOSE: The present study investigated the effects of periodic CHO restriction on endurance performance and metabolic markers in elite endurance athletes. METHODS: Twenty-six male elite endurance athletes (VO2max: 65.0 ml O2[BULLET OPERATOR]kg[BULLET OPERATOR]min) completed 4 weeks of regular endurance training, while matched and randomized into two groups training with (Low) or without (High) carbohydrate (CHO) manipulation three days a week. The CHO manipulation days consisted of a 1-hr high intensity bike session in the morning, recovery for 7 hrs while consuming isocaloric diets containing either high CHO (414±2...
July 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28721834/the-interaction-between-nutrition-and-exercise-for-promoting-health-and-performance
#7
Oliver C Witard, Derek Ball
The theme of The Nutrition Society Spring Conference 2017 was on the interaction between nutrition and exercise for promoting healthy ageing, maintaining cognitive function and improving the metabolic health of the population. The importance of this theme is highlighted by the public health issues surrounding obesity, diabetes and the age-related loss of skeletal muscle mass (sarcopenia). The opening symposium provided a historical perspective of both invasive and non-invasive methodologies for measuring exercise energetics and energy balance...
July 19, 2017: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/28713484/moderate-autophagy-inhibits-vascular-smooth-muscle-cell-senescence-to-stabilize-progressed-atherosclerotic-plaque-via-the-mtorc1-ulk1-atg13-signal-pathway
#8
Zhenli Luo, Wenhuan Xu, Sai Ma, Hongyu Qiao, Lei Gao, Ran Zhang, Bo Yang, Ya Qiu, Jiangwei Chen, Ming Zhang, Bo Tao, Feng Cao, Yabin Wang
In order to investigate the effects of autophagy induced by rapamycin in the development of atherosclerosis plaque we established murine atherosclerosis model which was induced in ApoE(-/-) mice by high fat and cholesterol diet (HFD) for 16 weeks. Rapamycin and 3-Methyladenine (MA) were used as autophagy inducer and inhibitor respectively. The plaque areas in aortic artery were detected with HE and Oil Red O staining. Immunohistochemical staining were applied to investigate content of plaque respectively. In contrast to control and 3-MA groups, rapamycin could inhibit atherosclerosis progression...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28705795/selective-deletion-of-leptin-signaling-in-endothelial-cells-enhances-neointima-formation-and-phenocopies-the-vascular-effects-of-diet-induced-obesity-in-mice
#9
Astrid Hubert, Magdalena L Bochenek, Eva Schütz, Rajinikanth Gogiraju, Thomas Münzel, Katrin Schäfer
OBJECTIVE: Obesity is associated with elevated circulating leptin levels and hypothalamic leptin resistance. Leptin receptors (LepRs) are expressed on endothelial cells, and leptin promotes neointima formation in a receptor-dependent manner. Our aim was to examine the importance of endothelial LepR (End.LepR) signaling during vascular remodeling and to determine whether the cardiovascular consequences of obesity are because of hyperleptinemia or endothelial leptin resistance. APPROACH AND RESULTS: Mice with loxP-flanked LepR alleles were mated with mice expressing Cre recombinase controlled by the inducible endothelial receptor tyrosine kinase promoter...
July 13, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28702900/selected-in-season-nutritional-strategies-to-enhance-recovery-for-team-sport-athletes-a-practical-overview
#10
REVIEW
Lisa E Heaton, Jon K Davis, Eric S Rawson, Ryan P Nuccio, Oliver C Witard, Kimberly W Stein, Keith Baar, James M Carter, Lindsay B Baker
Team sport athletes face a variety of nutritional challenges related to recovery during the competitive season. The purpose of this article is to review nutrition strategies related to muscle regeneration, glycogen restoration, fatigue, physical and immune health, and preparation for subsequent training bouts and competitions. Given the limited opportunities to recover between training bouts and games throughout the competitive season, athletes must be deliberate in their recovery strategy. Foundational components of recovery related to protein, carbohydrates, and fluid have been extensively reviewed and accepted...
July 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28702425/differential-effects-of-cod-proteins-and-tuna-proteins-on-serum-and-liver-lipid-profiles-in-rats-fed-non-cholesterol-and-cholesterol-containing-diets
#11
Ryota Hosomi, Hayato Maeda, Yuki Ikeda, Yuko Toda, Munehiro Yoshida, Kenji Fukunaga
Fish muscles are classified into white and red muscles, and the chemical composition of the two fish muscles have many differences. Few reports have assessed the health-promoting functions of white fish muscle proteins (WFP) and red fish muscle proteins (RFP). We therefore evaluated the mechanisms underlying the alteration of lipid profiles and cholesterol metabolism following the intake of WFP prepared from cod and RFP prepared from light muscles of tuna. Male Wistar rats were divided into six dietary groups: casein (23%), WFP (23%), and RFP (23%), with or without 0...
June 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/28701315/effect-of-endurance-training-and-branched-chain-amino-acids-on-the-signaling-for-muscle-protein-synthesis-in-ckd-model-rats-fed-a-low-protein-diet
#12
Takuya Yoshida, Sachika Kakizawa, Yuri Totsuka, Miho Sugimoto, Shinji Miura, Hiromichi Kumagai
A low-protein diet (LPD) protects against the progression of renal injury in patients with chronic kidney disease (CKD). However, LPD may accelerate muscle wasting in these patients. Both exercise and branched chain amino acids (BCAA) are known to increase muscle protein synthesis by activating the mammalian target of rapamycin (mTOR) pathway. The aim of this study is to investigate whether endurance exercise and BCAA play a role for increasing muscle protein synthesis in LPD-fed CKD (5/6 nephrectomized) rats...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28690194/examining-a-role-for-pkg-i%C3%AE-oxidation-in-the-pathogenesis-of-cardiovascular-dysfunction-during-diet-induced-obesity
#13
Olena Rudyk, Philip Eaton
BACKGROUND: Protein kinase G (PKG) Iα is the end-effector kinase that mediates nitric oxide (NO)-dependent and oxidant-dependent vasorelaxation to maintain blood pressure during health. A hallmark of cardiovascular disease is attenuated NO production, which in part is caused by NO Synthase (NOS) uncoupling, which in turn increases oxidative stress because of superoxide generation. NOS uncoupling promotes PKG Iα oxidation to the interprotein disulfide state, likely mediated by superoxide-derived hydrogen peroxide, and because the NO-cyclic guanosine monophosphate (cGMP) pathway otherwise negatively regulates oxidation of the kinase to its active disulfide dimeric state...
September 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28688452/crossroads-between-peripheral-atherosclerosis-western-type-diet-and-skeletal-muscle-pathophysiology-emphasis-on-apolipoprotein-e-deficiency-and-peripheral-arterial-disease
#14
REVIEW
Peggy Sfyri, Antonios Matsakas
Atherosclerosis is a chronic inflammatory process that, in the presence of hyperlipidaemia, promotes the formation of atheromatous plaques in large vessels of the cardiovascular system. It also affects peripheral arteries with major implications for a number of other non-vascular tissues such as the skeletal muscle, the liver and the kidney. The aim of this review is to critically discuss and assimilate current knowledge on the impact of peripheral atherosclerosis and its implications on skeletal muscle homeostasis...
July 8, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28683706/sarcopenia-what-should-a-pharmacist-know
#15
Alfonso J Cruz-Jentoft
Sarcopenia (or muscle insufficiency) is a geriatric syndrome characterized by a progressive and generalized loss of skeletal muscle mass and function which has adverse consequences, particularly physical disability, falls and death. It can develop slowly, as a chronic condition that emerges over many years, or acutely, generally due to immobilization associated with an acute disease. The physiopathology of sarcopenia is complex, and affects both the muscle and its neurological and hormonal regulation...
July 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28668709/isomalto-oligosaccharides-a-prebiotic-functionally-augment-green-tea-effects-against-high-fat-diet-induced-metabolic-alterations-via-preventing-gut-dysbacteriosis-in-mice
#16
Dhirendra Pratap Singh, Jagdeep Singh, Ravneet Kaur Boparai, JianHua Zhu, Shrikant Mantri, Pragyanshu Khare, Romesh Khardori, Kanthi Kiran Kondepudi, Kanwaljit Chopra, Mahendra Bishnoi
High fat diet (HFD)-induced alterations in gut microbiota and resultant 'leaky gut' phenomenon promotes metabolic endotoxemia, ectopic fat deposition, and low-grade systemic inflammation. Here we evaluated the effects of a combination of green tea extract (GTE) with isomalto-oligosaccharide (IMOs) on HFD-induced alterations in mice. Male Swiss albino mice were fed with HFD (58% fat kcal) for 12 weeks. Systemic adiposity, gut derangement parameters and V3-V4 region based 16S rRNA metagenomic sequencing, ectopic fat deposition, liver metabolome analysis, systemic and tissue inflammation, and energy homeostasis markers along with gene expression analysis in multiple tissues were done in mice supplemented with GTE, IMOs or their combination...
June 28, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28644883/effects-of-dietary-inclusion-of-high-concentrations-of-crude-glycerin-on-meat-quality-and-fatty-acid-profile-of-feedlot-fed-nellore-bulls
#17
Eric H C B van Cleef, André P D'Áurea, Vanessa R Fávaro, Flavia O S van Cleef, Robson S Barducci, Marco T C Almeida, Otávio R Machado Neto, Jane M B Ezequiel
Crude glycerin, the main by-product of biodiesel production, can replace dietary energy sources, such as corn. The objective of this study was to evaluate the inclusion of up to 30% of crude glycerin in dry matter (DM) of the total diets, and its effects on meat quality parameters of feedlot Nellore bulls. Thirty animals (227.7 ± 23.8 kg body weight; 18 months old) were housed in individual pens and fed 5 experimental diets, containing 0, 7.5, 15, 22.5 or 30% crude glycerin (DM basis). After 103 d (21 d adaptation) animals were slaughtered and the Longissimus muscle was collected...
2017: PloS One
https://www.readbyqxmd.com/read/28643619/dietary-leucine-supplementation-alters-energy-metabolism-and-induces-slow-to-fast-transitions-in-longissimus-dorsi-muscle-of-weanling-piglets
#18
Qiwen Fan, Baisheng Long, Guokai Yan, Zhichang Wang, Min Shi, Xiaoyu Bao, Jun Hu, Xiuzhi Li, Changqing Chen, Zilong Zheng, Xianghua Yan
Leucine plays an important role in promoting muscle protein synthesis and muscle remodelling. However, what percentage of leucine is appropriate in creep feed and what proteome profile alterations are caused by dietary leucine in the skeletal muscle of piglets remain elusive. In this case, we applied isobaric tags for relative and absolute quantitation to analyse the proteome profile of the longissimus dorsi muscles of weanling piglets fed a normal leucine diet (NL; 1·66 % leucine) and a high-leucine diet (HL; 2·1 % leucine)...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28639297/autophagy-activation-not-peroxisome-proliferator-activated-receptor-%C3%AE-coactivator-1%C3%AE-may-mediate-exercise-induced-improvements-in-glucose-handling-during-diet-induced-obesity
#19
Megan E Rosa-Caldwell, Jacob L Brown, David E Lee, Thomas A Blackwell, Kyle W Turner, Lemuel A Brown, Richard A Perry, Wesley S Haynie, Tyrone A Washington, Nicholas P Greene
What is the central question of this study? What are the individual and combined effects of muscle-specific peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α) overexpression and physical activity during high-fat feeding on glucose and exercise tolerance? What is the main finding and its importance? Our main finding is that muscle-specific PGC-1α overexpression provides no protection against lipid-overload pathologies nor does it enhance exercise adaptations. Instead, physical activity, regardless of PGC-1α content, protects against high-fat diet-induced detriments...
June 21, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28623008/yucca-schidigera-can-promote-rabbit-growth-fecundity-affect-the-release-of-hormones-in-vivo-and-in-vitro-induce-pathological-changes-in-liver-and-reduce-ovarian-resistance-to-benzene
#20
Martina Földešiová, Andrej Baláži, Ľubica Chrastinová, Juraj Pivko, Jan Kotwica, Abdel Halim Harrath, Peter Chrenek, Alexander V Sirotkin
This study evaluated the effect of Yucca schidigera (YS) extract on the physiological, reproductive, and endocrine indexes of New Zealand White rabbit does. Six-week-old rabbit does were fed a standard diet (control group) or a diet enriched with 5 or 20g of Y powder extract per 100-kg feed mixture for 350days. The does were artificially inseminated after induction of superovulation. Weight gain; conception and kindling rate; viability of pups and mothers; histopathological state of liver and muscle; plasma levels of progesterone (P4), oxytocin (OT), and prostaglandin F (PGF); and the release of P4, insulin-like growth factor I (IGF-I), OT, and PGF by isolated ovarian fragments and their response to the addition of benzene were analyzed...
June 10, 2017: Animal Reproduction Science
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