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Muscle promoting diets

Marta Lonnie, Emma Hooker, Jeffrey M Brunstrom, Bernard M Corfe, Mark A Green, Anthony W Watson, Elizabeth A Williams, Emma J Stevenson, Simon Penson, Alexandra M Johnstone
With an ageing population, dietary approaches to promote health and independence later in life are needed. In part, this can be achieved by maintaining muscle mass and strength as people age. New evidence suggests that current dietary recommendations for protein intake may be insufficient to achieve this goal and that individuals might benefit by increasing their intake and frequency of consumption of high-quality protein. However, the environmental effects of increasing animal-protein production are a concern, and alternative, more sustainable protein sources should be considered...
March 16, 2018: Nutrients
Shalender Bhasin, Caroline M Apovian, Thomas G Travison, Karol Pencina, Lynn L Moore, Grace Huang, Wayne W Campbell, Zhuoying Li, Andrew S Howland, Ruo Chen, Philip E Knapp, Martha R Singer, Mitali Shah, Kristina Secinaro, Richard V Eder, Kathleen Hally, Haley Schram, Richelle Bearup, Yusnie M Beleva, Ashley C McCarthy, Erin Woodbury, Jennifer McKinnon, Geeta Fleck, Thomas W Storer, Shehzad Basaria
Importance: The Institute of Medicine set the recommended dietary allowance (RDA) for protein at 0.8 g/kg/d for the entire adult population. It remains controversial whether protein intake greater than the RDA is needed to maintain protein anabolism in older adults. Objective: To investigate whether increasing protein intake to 1.3 g/kg/d in older adults with physical function limitations and usual protein intake within the RDA improves lean body mass (LBM), muscle performance, physical function, fatigue, and well-being and augments LBM response to a muscle anabolic drug...
March 12, 2018: JAMA Internal Medicine
Penghua Fang, Mei Yu, Wen Min, Shiyu Han, Mingyi Shi, Zhenwen Zhang, Ping Bo
AIMS: Although baicalin has been shown to increase glucose uptake and insulin sensitivity in skeletal muscle of mice, there is no literature available about the effect of baicalin on insulin sensitivity in adipocytes of diet-induced obese mice. METHODS: In the present study, diet-induced obese mice were given 50mg/kg baicalin intraperitoneally (i.p.) once a day for 21 days, and 3T3-L1 cells were treated with 100, 200, 400 μM baicalin for 3 h. Then insulin resistance indexes and insulin signal protein levels were examined to elucidate whether baicalin increased glucose uptake and GLUT4 translocation in adipocytes of diet-induced obese mice...
March 8, 2018: Diabetes Research and Clinical Practice
Jing Gao, Wei Nie, Fenglai Wang, Yuming Guo
The present study aimed to investigate the influence of maternal selenium supplementation on the skeletal muscle development of the offspring. A total of 720 Ross 308 broiler breeders at 24-week-old were allocated into 3 treatments with 6 replicates of 40 hens each and fed with 0 mg/kg-(group Se/C), 0.5 mg/kg organic-(group Se/O), and 0.5 mg/kg inorganic-(group Se/I) selenium, respectively for 8 weeks. The male offspring from each nutritional treatment were divided and housed into 8 cages of 12 birds each and fed with a commercial diet supplemented with selenium from Na2 SeO3 at 0...
March 9, 2018: Biological Trace Element Research
Jingyu Sun, Chen Zhang, MinJeong Kim, Yajuan Su, Lili Qin, Jingmei Dong, Yunhe Zhou, Shuzhe Ding
Exercise and resveratrol supplementation exhibit anti-obesity functions in the long term but have not been fully investigated yet in terms of their early potential effectiveness. Mice fed with high-fat diet were categorized into control (Cont), exercise (Ex), resveratrol supplementation (Res), and exercise combined with resveratrol supplementation (Ex + Res) groups. In the four-week period of weight loss, exercise combined with resveratrol supplementation exerted no additional effects on body weight loss but significantly improved whole-body glucose and lipid homeostasis...
March 9, 2018: BMB Reports
Anne-Mari Mustonen, Maija Määttänen, Vesa Kärjä, Katri Puukka, Jari Aho, Seppo Saarela, Petteri Nieminen
Rhabdomyolysis (destruction of striated muscle) is a novel form of mushroom poisoning in Europe and Asia indicated by increased circulating creatine kinase levels. Particular wild fungi have also been reported to induce elevated creatine kinase activities in mice. Flammulina velutipes (enokitake or winter mushroom) is one of the most actively cultivated mushroom species globally. As it is marketed as a medicinal mushroom and functional food, it is important to examine whether it could induce potentially harmful health effects similar to some previously studied edible fungi...
January 1, 2018: Experimental Biology and Medicine
Ceren Yarar-Fisher, Keith Fl Polston, Mualla Eraslan, Kathryn Y Henley, Gizem I Kinikli, C Scott Bickel, Samuel T Windham, Amie B McLain, Robert A Oster, Marcas M Bamman
This study compares the effects of an 8-week iso-caloric high protein (HP) diet versus a combination exercise (Comb-Ex) regimen on paralytic vastus lateralis (VL) and non-paralytic deltoid muscle in individuals with long-standing spinal cord injury (SCI). Fiber type distribution, cross-sectional area (CSA), levels of translation initiation signaling proteins (Erk-1/2, Akt, p70S6K1, 4EBP1, RPS6, and FAK), and lean thigh mass were analyzed at baseline and after the 8-week interventions. A total of 11 participants (C5-T12 levels, 21...
March 1, 2018: Journal of Applied Physiology
Yingbao Wang, Dixin Chen, Yan Zhang, Pingzhang Wang, Can Zheng, Songyang Zhang, Bing Yu, Lu Zhang, Guizhen Zhao, Baihui Ma, Zeyu Cai, Nan Xie, Shiyang Huang, Ziyi Liu, Xiaoning Mo, Youfei Guan, Xian Wang, Yi Fu, Dalong Ma, Ying Wang, Wei Kong
Background -Obesity plays crucial roles in the development of cardiovascular diseases (CVDs). However, the mechanisms that link obesity and CVDs remain elusive. Compelling evidence indicates that adipokines play an important role in obesity-related CVDs. Here, we found a new adipokine named family with sequence similarity 19, member A5 (FAM19A5), a protein with unknown function that was predicted to be distantly related to the CC-chemokine family. We aimed to test whether adipose-derived FAM19A5 regulates vascular pathology upon injury...
February 16, 2018: Circulation
Xiao-Bing Cui, Jun-Na Luan, Kun Dong, Sisi Chen, Yongyi Wang, Wendy T Watford, Shi-You Chen
OBJECTIVE: The objective of this study is to determine the role and underlying mechanisms of RGC-32 (response gene to complement 32 protein) in atherogenesis. APPROACH AND RESULTS: RGC-32 was mainly expressed in endothelial cells of atherosclerotic lesions in both ApoE -/- (apolipoprotein E deficient) mice and human patients. RGC-32 deficiency (Rgc32 -/- ) attenuated the high-fat diet-induced and spontaneously developed atherosclerotic lesions in ApoE -/- mice without affecting serum cholesterol concentration...
February 15, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
Jinyu Pan, Lu Lu, Xuyang Wang, Dian Liu, Jingjing Tian, Hui Liu, Mingjun Zhang, Fengqin Xu, Fengshuang An
BACKGROUND: Atherosclerosis (AS) is a common pathological basis of various cardiovascular and cerebrovascular diseases. Plaque formation is initiated and triggered by vascular smooth musclecells (VSMCs) migration in vascular wall, which gradually aggravates atherosclerosis progression. Absent in melanoma 2 (AIM2), a member of HIN-200 family, plays an important role in activating inflammasome. However, the role of AIM2 in atherosclerotic plaque progression outside of the inflammasome has not yet been reported...
February 12, 2018: Biochemical and Biophysical Research Communications
Eric Francelino Andrade, Viviam de Oliveira Silva, Debora Ribeiro Orlando, Luciano Jose Pereira
Diabetes mellitus is a metabolic disease characterized by high glycemic levels for long periods. This disease has a high prevalence in the world population, being currently observed an increase in its incidence. This fact is mainly due to the sedentary lifestyle and hypercaloric diets. Non-pharmacological interventions for glycemic control include exercise, which promotes changes in skeletal muscle and adipocytes. Thus, increased glucose uptake by skeletal muscle and decreased insulin resistance through modulating adipocytes are the main factors that improve glycemic control against diabetes...
February 14, 2018: Current Diabetes Reviews
Cong Thuc Le, Giang Nguyen, So Young Park, Dae Hee Choi, Eun-Hee Cho
Fibroblast growth factor 21 (FGF21) is an important metabolic regulator expressed predominantly in the liver. In this study, we evaluated the role of LY2405319, an analogue of FGF21, in hepatic stellate cell (HSC) activation and in a methionine and choline-deficient (MCD)-diet induced mouse model of liver fibrosis. During liver injury, HSCs trans-differentiate into activated myofibroblasts which produce alpha-smooth muscle actin (α-SMA) and become a major cell type in hepatic fibrogenesis. Succinate and succinate receptor (GPR91) signaling has emerged as a regulator to promote α-SMA production in MCD diet- induced mice...
2018: PloS One
James G Burchfield, Melkam A Kebede, Christopher C Meoli, Jacqueline Stöckli, P Tess Whitworth, Amanda L Wright, Nolan J Hoffman, Annabel Y Minard, Xiuquan Ma, James R Krycer, Marin E Nelson, Shi-Xiong Tan, Belinda Yau, Kristen C Thomas, Natalie K Y Wee, Ee-Cheng Khor, Ronaldo F Enriquez, Bryce Vissel, Trevor J Biden, Paul A Baldock, Kyle L Hoehn, James Cantley, Gregory J Cooney, David E James, Daniel J Fazakerley
Obesity is associated with metabolic dysfunction, including insulin resistance and hyperinsulinemia, and with disorders such as cardiovascular disease, osteoporosis, and neurodegeneration. Typically, these pathologies are examined in discrete model systems and with limited temporal resolution, and whether these disorders co-occur is therefore unclear. To address this question, we examined multiple physiological systems in male C57BL/6J mice following prolonged exposure to a high-fat/high-sucrose diet (HFHSD)...
February 13, 2018: Journal of Biological Chemistry
Hao Fan, Zengpeng Lv, Liping Gan, Yuming Guo
Daidzein (DA) is an isoflavone that is primarily extracted from soy plants. This study evaluated the effects of supplementing laying broiler breeder hens with dietary DA on the immune function and growth performance of their offspring and the underlying mechanism. A total of 720 breeders were divided into 3 treatment groups that were fed either a control diet (CON), a DA-low-supplemented diet (DLS, CON+20 mg/kg DA) or a DA-high-supplemented diet (DHS, CON+100 mg/kg DA) for 8 weeks, eggs were collected for hatching during the final week...
February 8, 2018: Journal of Agricultural and Food Chemistry
S B Smith, T L Blackmon, J E Sawyer, R K Miller, J R Baber, J C Morrill, A R Cabral, T A Wickersham
We hypothesized that abomasal infusion of glucose would promote de novo fatty acid biosynthesis from glucose in vitro in bovine intramuscular (i.m.) and subcutaneous (s.c.) adipose tissues to a greater extent than ruminal infusion of acetate, propionate, or glucose. Angus crossbred steers (n = 24), 22 mo of age, were fitted with ruminal cannulas, and steers were adapted to another corn/sorghum finishing diet over a 2-wk period while recovering from the placement of the cannulas. After the adaptation period, the steers were fed the second finishing diet at 130% of their voluntary intake and were infused with isocaloric amounts (3...
February 2, 2018: Journal of Animal Science
Dong-Mei Gong, Yan-Li Zhang, Dan-Yang Chen, Ling-Juan Hong, Feng Han, Qi-Bing Liu, Jian-Jun Jiang, Ying-Mei Lu
BACKGROUND/AIMS: Endothelial cell dysfunction is the principal pathological process underlying atherosclerotic cardiovascular disease. G protein-coupled receptor 124 (GPR124), an orphan receptor in the adhesion GPCR subfamily, promotes angiogenesis in the brain. In the present study, we explored the role of endothelial GPR124 in the development and progression of atherosclerosis in adult mice. METHODS: Using tetracycline-inducible transgenic systems, we generated mice expressing GPR124 specifically under control of the Tie-2 promoter...
January 25, 2018: Cellular Physiology and Biochemistry
Jingjing Du, Linyuan Shen, Zhendong Tan, Peiwen Zhang, Xue Zhao, Yan Xu, Mailing Gan, Qiong Yang, Jideng Ma, An'an Jiang, Guoqing Tang, Yanzhi Jiang, Long Jin, Mingzhou Li, Lin Bai, Xuewei Li, Jinyong Wang, Shunhua Zhang, Li Zhu
Obesity is a major driver of metabolic diseases such as nonalcoholic fatty liver disease, certain cancers, and insulin resistance. However, there are no effective drugs to treat obesity. Betaine is a nontoxic, chemically stable and naturally occurring molecule. This study shows that dietary betaine supplementation significantly inhibits the white fat production in a high-fat diet (HFD)-induced obese mice. This might be due to betaine preventing the formation of new white fat (WAT), and guiding the original WAT to burn through stimulated mitochondrial biogenesis and promoting browning of WAT...
January 26, 2018: Nutrients
Laura Tedesco, Giovanni Corsetti, Chiara Ruocco, Maurizio Ragni, Fabio Rossi, Michele O Carruba, Alessandra Valerio, Enzo Nisoli
Chronic alcohol consumption promotes mitochondrial dysfunction, oxidative stress, defective protein metabolism, and fat accumulation in hepatocytes (liver steatosis). Inadequate amino-acid metabolism is worsened by protein malnutrition, frequently present in alcohol-consuming patients, with reduced circulating branched-chain amino acids (BCAAs). Here we asked whether dietary supplementation with a specific amino-acid mixture, enriched in BCAAs (BCAAem) and able to promote mitochondrial function in muscle of middle-aged rodents, would prevent mitochondrial dysfunction and liver steatosis in Wistar rats fed on a Lieber-DeCarli ethanol (EtOH)-containing liquid diet...
January 25, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
Sandra Rutting, Dia Xenaki, Edmund Lau, Jay C Horvat, Lisa G Wood, Philip M Hansbro, Brian G Oliver
Obesity is an important risk factor for developing severe asthma. Dietary fatty acids which are increased in sera of obese individuals and after high fat meals, activate the innate immune system and induce inflammation. This study investigated whether dietary fatty acids directly cause inflammation and/or synergise with obesity-induced cytokines in primary human pulmonary fibroblasts in vitro. Fibroblasts were challenged with BSA-conjugated fatty acids (ω-6 PUFAs, ω-3 PUFAs or SFAs) with or without TNFα and release of the pro-inflammatory cytokines, IL-6 and CXCL8, was measured...
January 25, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
Young Jin Jang, Hyo Jeong Son, Ji-Sun Kim, Chang Hwa Jung, Jiyun Ahn, Jinyoung Hur, Tae Youl Ha
Coffee is a widely consumed beverage worldwide and is believed to help prevent the occurrence of various chronic diseases. However, the effect of coffee on skeletal muscle hypertrophy, differentiation and the mechanisms of action responsible have remained unclear. To investigate the effect of coffee on skeletal muscle hypertrophy, mice were fed a normal diet or a normal diet supplemented with 0.3% coffee or 1% coffee. Coffee supplementation was observed to increase skeletal muscle hypertrophy, while simultaneously upregulating protein expression of total MHC, MHC2A, and MHC2B in quadricep muscle...
January 23, 2018: Food & Function
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