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https://www.readbyqxmd.com/read/28526709/acetylation-of-mitochondrial-proteins-by-gcn5l1-promotes-enhanced-fatty-acid-oxidation-in-the-heart
#1
Dharendra Thapa, Manling Zhang, Janet R Manning, Danielle Guimarães, Michael Stoner, Robert M O'Doherty, Sruti Shiva, Iain Scott
Lysine acetylation is a reversible post-translational modification, and is particularly important in the regulation of mitochondrial metabolic enzymes. Acetylation uses acetyl-CoA derived from fuel metabolism as a co-factor, thereby linking nutrition to metabolic activity. In this study, we investigated how mitochondrial acetylation status in the heart is controlled by food intake, and how these changes affect mitochondrial metabolism. We found that there was a significant increase in cardiac mitochondrial protein acetylation in mice fed a long-term high fat diet, and that this change correlated with an increase in the abundance of the mitochondrial acetyltransferase-related protein GCN5L1...
May 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28526415/lnk-deficiency-aggregates-palmitate-induced-preadipocyte-apoptosis
#2
Jie-Yi Du, Chen-Chen Jin, Guo-Hao Wang, Xiong-Qing Huang, Jian-Ding Cheng, Xue-Jun Wen, Xiao-Miao Zhao, Guan-Lei Wang
LNK (SH2B3) is an intracellular adaptor protein that negatively regulates cellular proliferation or self-renewal of hematopoietic stem cells and some other progenitor cells. LNK is also recognized as a key regulator of insulin resistance and inflammatory responses in several tissues and organs. It is unknown the function of LNK in adipose tissue. We previously demonstrated that type 2 diabetes mellitus (T2DM) mouse model had elevated serum free fatty acids (FFAs) levels and increased preadipocyte apoptosis in visceral fat tissue, showing the occurrence of lipotoxicity...
May 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28526377/orange-juice-allied-to-a-reduced-calorie-diet-results-in-weight-loss-and-ameliorates-obesity-related-biomarkers-a-randomized-controlled-trial
#3
Carolina Ribeiro, Grace Dourado, Thais Cesar
OBJECTIVE: Assumptions have linked orange juice (OJ) consumption with weight gain and adverse effects on health due to its sugar content; however, epidemiologic studies have not shown increased risk for overweight or obesity with the consumption of 100% OJ. The aim of this study was to verify whether the combination of a reduced-calorie diet (RCD) and 100% OJ contribute to weight loss, promote changes in glucose and lipid metabolism, and improve diet quality in obese individuals. METHODS: A randomized controlled trial with 78 obese patients (age 36 ± 1 y, body mass index [BMI] 33 ± 3 kg/m(2)) were enrolled in two groups: Individuals in the OJ group submitted to an RCD that included OJ (500 mL/d), and individuals in the control group submitted to an RCD without OJ...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28525895/dietary-zno-nanoparticles-alters-intestinal-microbiota-and-inflammation-response-in-weaned-piglets
#4
Tian Xia, Wenqing Lai, Miaomiao Han, Meng Han, Xi Ma, Liying Zhang
The present study was carried out to determine whether low dose of zinc oxide nanoparticles (Nano-ZnO) could serve as a potential substitute of pharmacological dose of traditional ZnO in weaned piglets. 180 crossbred weaning piglets were randomly assigned to 3 treatments. Experimental animals were fed basal diet supplemented with 0 mg Zn/kg (Control), 600 mg Zn/kg (Nano-ZnO) and 2000 mg Zn/kg (ZnO) for 14 days. On day 14 after weaning, the piglets fed Nano-ZnO did not differ from those fed traditional ZnO in growth performance and jejunal morphology, while Nano-ZnO treatment could significantly alleviate the incidence of diarrhea (P < 0...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28525360/role-of-sigma-1-receptor-in-high-fat-diet-induced-peripheral-neuropathy
#5
Tieying Song, Jianhui Zhao, Xiaojing Ma, Zaiwang Zhang, Bo Jiang, Yunliang Yang
The neurobiological mechanisms of obesity-induced peripheral neuropathy are poorly understood. We evaluated the role of Sigma-1 receptor (Sig-1R) and NMDA receptor (NMDARs) in the spinal cord in peripheral neuropathy using an animal model of high fat diet-induced diabetes. We examined the expression of Sig-1R and NMDAR subunits GluN2A and GluN2B along with postsynaptic density protein 95 (PSD-95) in the spinal cord after 24- week HFD treatment in both wild-type and Sig-1R-/- mice. Finally, we examined the effects of repeated intrathecal administrations of selective Sig-1R antagonists BD1047 in HFD-fed wild-type mice on peripheral neuropathy...
May 19, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#6
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/28523992/nutrition-and-exercise-in-sarcopenia
#7
Stephen D Anton, Azumi Hida, Robert Mankowski, Andrew Layne, Lawrence Solberg, Arch G Mainous, Thomas W Buford
Sarcopenia is a debilitating condition that involves loss of muscle mass and function, which affects virtually everyone as they age, and can lead to frailty and ultimately disability. In growing recognition of the importance of both muscle strength and muscle mass relative to body size in contributing to functional decline, recent definitions have now incorporated grip strength and a correction for body mass as part of the key criteria that define sarcopenia. With this new definition, a much larger population of older adults are now at risk of sarcopenia...
December 27, 2016: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28522995/dysbiosis-of-intestinal-microbiota-and-decreased-antimicrobial-peptide-level-in-paneth-cells-during-hypertriglyceridemia-related-acute-necrotizing-pancreatitis-in-rats
#8
Chunlan Huang, Jing Chen, Jingjing Wang, Hui Zhou, Yingying Lu, Lihong Lou, Junyuan Zheng, Ling Tian, Xingpeng Wang, Zhongwei Cao, Yue Zeng
Hypertriglyceridemia (HTG) aggravates the course of acute pancreatitis (AP). Intestinal barrier dysfunction is implicated in the pathogenesis of AP during which dysbiosis of intestinal microbiota contributes to the dysfunction in intestinal barrier. However, few studies focus on the changes in intestine during HTG-related acute necrotizing pancreatitis (ANP). Here, we investigated the changes in intestinal microbiota and Paneth cell antimicrobial peptides (AMPs) in HTG-related ANP (HANP) in rats. Rats fed a high-fat diet to induce HTG and ANP was induced by retrograde injection of 3...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28522863/effects-of-replacing-leymus-chinensis-with-whole-crop-wheat-hay-on-holstein-bull-apparent-digestibility-plasma-parameters-rumen-fermentation-and-microbiota
#9
Wenjing Niu, Yang He, Chuanqi Xia, Muhammad Aziz Ur Rahman, Qinghua Qiu, Taoqi Shao, Yixun Liang, Linbao Ji, Haibo Wang, Binghai Cao
Twelve Holstein bulls were used in a 4 × 4 Latin square design to investigate the effects of using whole-crop wheat hay (WCWH) as a substitute for Leymus chinensis (LC) on apparent digestibility, plasma parameters, ruminal fermentation, and microbial communities. Experimental treatments were four proportions of WCWH, 0, 33, 67, and 100%, as a substitute for LC (WCWH0, WCWH33, WCWH67, and WCWH100, respectively). The WCWH100 group showed a higher nutritional intake of crude protein (CP) and higher apparent digestibility of organic matter (OM), CP, and ether extract (EE) than the WCWH0 group (P < 0...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28521871/relation-of-antioxidant-capacity-of-diet-and-markers-of-oxidative-status-with-c-reactive-protein-and-adipocytokines-a-prospective-study
#10
Najada Stringa, Adela Brahimaj, Asija Zaciragic, Abbas Dehghan, Mohammad Arfan Ikram, Albert Hofman, Taulant Muka, Jessica C Kiefte-de Jong, Oscar H Franco
BACKGROUND: The role of dietary antioxidants and plasma oxidant-antioxidant status in low-grade chronic inflammation and adipocytokine levels is not established yet. OBJECTIVES: We aimed to evaluate whether total dietary antioxidant capacity (assessed by dietary ferric reducing antioxidant potential (FRAP)), serum uric acid (UA) and gamma glutamyltransferase (GGT) were associated with low-grade chronic inflammation and circulating adipocytokines. METHODS: Data of 4506 participants aged ≥55years from the Rotterdam Study were analyzed...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28521737/validation-of-the-german-version-of-the-mediterranean-diet-adherence-screener-medas-questionnaire
#11
Katrin Hebestreit, Maryam Yahiaoui-Doktor, Christoph Engel, Walter Vetter, Michael Siniatchkin, Nicole Erickson, Martin Halle, Marion Kiechle, Stephan C Bischoff
BACKGROUND: Health benefits of the Mediterranean Diet (MD) have been shown in different at-risk populations. A German translation of the Mediterranean Diet Adherence Screener (MEDAS) from the PREvención con DIeta MEDiterránea (PREDIMED) consortium was used in the LIBRE study, investigating effects of lifestyle-intervention on women with BRCA1/2 mutations. The purpose of the present study is to validate the MEDAS German version. METHODS: LIBRE is a multicentre (three university hospitals during this pilot phase), unblinded, randomized, controlled clinical trial...
May 18, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28521681/effects-of-diets-on-adipose-tissue
#12
Silvia Ezquerro, Amaia Rodríguez, Piero Portincasa, Gema Frühbeck
Obesity is a major health problem that has become a global epidemic. Overweight and obesity are commonly associated with the development of several pathologies, such as insulin resistance, cardiovascular diseases, sleep apnea and several types of cancer, which can lead to further morbidity and mortality. An increased abdominal adiposity renders overweight and obese individuals more prone to metabolic and cardiovascular problems. In this sense, excess adiposity leads to several changes in the biology, morphology and function of the adipose tissue, such as adipocyte hypertrophy and hyperplasia, adipose tissue inflammation and fibrosis and an impaired secretion of adipokines, contributing to the onset of obesity-related co-morbidities...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28521325/effect-of-high-salt-diet-on-age-related-high-blood-pressure-and-hypothalamic-redox-signaling
#13
Bilgen Basgut, Melissa A Whidden, Nataliya Kirichenko, Mary Woods, Benedek Erdos, Philip J Scarpace, Nihal Tümer
AIM: The aim of this study was to investigate the effect of a high salt (HS) diet on age-related changes in blood pressure (BP) and the possible role played by regulatory central mechanisms. METHODS: Young (5 months) and old (27 months) male Fischer 344 × Brown Norway (F344/BN) rats were fed standard chow or 8% HS diet for 12 days. BP and heart rate (HR) were measured by telemetry. RESULTS: Mean arterial BP (MAP) was significantly elevated in old rats during the day and night when compared with young animals...
May 19, 2017: Pharmacology
https://www.readbyqxmd.com/read/28520791/toxic-and-hormetic-like-effects-of-three-components-of-citrus-essential-oils-on-adult-mediterranean-fruit-flies-ceratitis-capitata
#14
Stella A Papanastasiou, Eleftheria-Maria D Bali, Charalampos S Ioannou, Dimitrios P Papachristos, Kostas D Zarpas, Nikos T Papadopoulos
Plant essential oils (EOs) and a wide range of their individual components are involved in a variety of biological interactions with insect pests including stimulatory, deterrent, toxic and even hormetic effects. Both the beneficial and toxic properties of citrus EOs on the Mediterranean fruit fly (medfly) have been experimentally evidenced over the last years. However, no information is available regarding the toxic or beneficial effects of the major components of citrus EOs via contact with the adults of the Mediterranean fruit fly...
2017: PloS One
https://www.readbyqxmd.com/read/28515432/high-salt-intake-negatively-regulates-fat-deposition-in-mouse
#15
Huanxian Cui, Shuyan Yang, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
High-salt (HS) intake contributes to hypertension and cardiopathy, but the effect of HS on fat deposition is controversial. Feed intake, fat mass, the percentage of abdominal fat, heat production, rate of oxygen consumption and the respiratory exchange ratio of mice on a HS diet were significantly decreased (P < 0.01 or 0.05) compared with mice on a normal-salt (NS) diet. An in vitro experiment with differentiating pre-adipocytes showed reduced fat deposition in the presence of high concentrations of NaCl (>0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28515162/dietary-protein-and-the-health-nutrition-agriculture-connection-in-india
#16
REVIEW
Sumedha Minocha, Tinku Thomas, Anura V Kurpad
The connection between the production, availability, and consumption of high-quality food is becoming very important in developing countries. The requirement of protein is linked to its quality, or its digestibility and ability to meet human indispensable amino acid requirements. This requirement is particularly relevant in India, where commonly consumed cereal-based diets and cereal-based food subsidy programs offer low-quality protein and therefore pose a risk of quality protein deficiency. The production of and access to sustainable sources of high-quality protein will be important parts of mitigating risks to human health...
May 17, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28514904/effects-of-viola-mandshurica-on-atherosclerosis-and-hepatic-steatosis-in-apoe-formula-see-text-via-the-ampk-pathway
#17
Sun Haeng Park, Yoon-Young Sung, Kyoung Jin Nho, Dong Sun Kim, Ho Kyoung Kim
Atherosclerosis was previously thought to be a disease that primarily involves lipid accumulation in the arterial wall. In this report, we investigated the effect of Viola mandshurica W. Becker (V. mandshurica) water extract on atherosclerosis in apolipoprotein E deficient (ApoE[Formula: see text]) mice. The administration of V. mandshurica to high-fat diet-fed mice reduced body weight, liver weight, and serum levels of lipids (total cholesterol, low-density lipoprotein-cholesterol, triglycerides), glucose, alanine transaminase, and aspartate transaminase...
May 18, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/28514835/genistein-has-beneficial-effects-on-hepatic-steatosis-in-high-fat-high-sucrose-diet-treated-rats
#18
Huanhuan Liu, Huijia Zhong, Yimin Yin, Zhuoqin Jiang
Genistein, a kind of phytoestrogen abundant in soybeans, is beneficial for alleviating non-alcoholic fatty liver disease (NAFLD), but the specific mechanism was not clearly understood. This study was designed to determine the effect of genistein on NAFLD and explore the possible mechanism. 36 male Sprague-Dawley rats were divided into 4 groups: the control group, high fat-high sucrose diet (HFS) group, HFS with 4mg/kg body weight genistein, and HFS with 8mg/kg body weight genistein. 12 weeks later, serum and hepatic lipid profiles, liver histopathological examination were characterized...
May 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28513571/fat-sugar-and-bone-health-a-complex-relationship
#19
REVIEW
Li Tian, Xijie Yu
With people aging, osteoporosis is expected to increase notably. Nutritional status is a relatively easily-modified risk factor, associated with many chronic diseases, and is involved in obesity, diabetes, and coronary heart disease (CHD), along with osteoporosis. Nutrients, such as fats, sugars, and proteins, play a primary function in bone metabolism and maintaining bone health. In Western nations, diets are generally high in saturated fats, however, currently, the nutritional patterns dominating in China continue to be high in carbohydrates from starch, cereals, and sugars...
May 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28512366/-effect-of-%C3%AE-lipoic-acid-on-free-radical-processes-in-serum-of-rats-on-high-fat-diet
#20
Marcin Cichoń, Urszula Błaszczyk, Jolanta Zalejska-Fiolka
BACKGROUND: Oils are often fried which reduces their beneficial biological and nutritional properties, contributing to disturbances in homeostasis. Some antioxidant substances can improve stability of oils. The aim of the study was to examine the effect of α-lipoic acid (ALA) on the concentration of sulfhydryl groups, lipid peroxides, malondialdehyde, creatinine and urea in serum of rats fed high fat diet for 3 months. MATERIAL AND METHODS: Thirty six Wistar rats were equally divided into 6 groups: the control group on standard breeding diet (SB), oxidized oil (OU) group on SB with 10% oxidized oil, ALA10 group on SB with ALA 10 mg/kg of body weight (b...
May 16, 2017: Medycyna Pracy
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