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https://www.readbyqxmd.com/read/29679057/a-legionella-pneumophila-amylase-is-essential-for-intracellular-replication-in-human-macrophages-and-amoebae
#1
Ashley Best, Christopher Price, Mateja Ozanic, Marina Santic, Snake Jones, Yousef Abu Kwaik
Legionella pneumophila invades protozoa with an "accidental" ability to cause pneumonia upon transmission to humans. To support its nutrition during intracellular residence, L. pneumophila relies on host amino acids as the main source of carbon and energy to feed the TCA cycle. Despite the apparent lack of a requirement for glucose for L. pneumophila growth in vitro and intracellularly, the organism contains multiple amylases, which hydrolyze polysaccharides into glucose monomers. Here we describe one predicted putative amylase, LamB, which is uniquely present only in L...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678290/orexin-a-and-endocannabinoid-signaling-regulate-glucose-responsive-arcuate-nucleus-neurons-and-feeding-behavior-in-obese-rats
#2
Dandan Yang, Luo Xu, Feifei Guo, Xiangrong Sun, Di Zhang, Mi Wang
Obesity is a global public health problem. Orexin and endocannabinoid signaling in the hypothalamus have been shown to regulate feeding and are promising molecular targets for obesity treatment. In this study, we attempted to analyze effects of orexin-A and endocannabinoid signaling modulation in the arcuate nucleus (Arc) on feeding and glucose-responsive (GR) neurons physiology in a diet-induced obesity (DIO) and diet-induced obesity resistant (DR) rat model. Administration of orexin-A or cannabinoid receptor type-1 (CB1 R) antagonist AM251 altered the firing of GR neurons in the Arc...
April 6, 2018: Neuropeptides
https://www.readbyqxmd.com/read/29677199/implications-of-current-therapeutic-restrictions-for-primaquine-and-tafenoquine-in-the-radical-cure-of-vivax-malaria
#3
James Watson, Walter R J Taylor, Germana Bancone, Cindy S Chu, Podjanee Jittamala, Nicholas J White
BACKGROUND: The 8-aminoquinoline antimalarials, the only drugs which prevent relapse of vivax and ovale malaria (radical cure), cause dose-dependent oxidant haemolysis in individuals with glucose-6-phosphate dehydrogenase (G6PD) deficiency. Patients with <30% and <70% of normal G6PD activity are not given standard regimens of primaquine and tafenoquine, respectively. Both drugs are currently considered contraindicated in pregnant and lactating women. METHODS: Quantitative G6PD enzyme activity data from 5198 individuals were used to estimate the proportions of heterozygous females who would be ineligible for treatment at the 30% and 70% activity thresholds, and the relationship with the severity of the deficiency...
April 20, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29674342/app-deficiency-results-in-resistance-to-obesity-but-impairs-glucose-tolerance-upon-high-fat-feeding
#4
Juliane Czeczor, Amanda Genders, Kathryn Aston-Mourney, Timothy Connor, Liam Hall, Kyoko Hasebe, Megan Ellis, Kirstie De Jong, Darren Henstridge, Peter Meikle, Mark Febbraio, Ken Walder, Sean L McGee
The amyloid precursor protein (APP) generates a number of peptides when processed through different cleavage mechanisms, including the Aβ peptide that is implicated in the development of Alzheimer's disease. It is well established that APP via its cleaved peptides regulates aspects of neuronal metabolism. Emerging evidence suggests that amyloidogenic processing of APP can lead to altered systemic metabolism, similar to that observed in metabolic disease states. In the present study, we investigated the effect of APP deficiency on obesity-induced alterations in systemic metabolism...
April 19, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29671908/effects-of-fat-supplementation-on-plasma-glucose-insulin-and-fatty-acid-analysis-in-ponies-maintained-on-a-forage-based-diet
#5
T Williams, B Rude, S Liao, C Mochal-King, M Nicodemus
The objective of this study was to observe how fat incorporated into an equine forage-based diet through supplementation altered levels of plasma glucose, insulin and fatty acids. Five Shetland/Hackney cross pony mares were fed alfalfa pellet diets top dressed with commercially available vegetable oil (blend of soya bean, canola and corn oils) at 0%, 5%, 10% or 15% of diet. Ponies were randomly assigned one of four diets to start, with a 14-day adjustment period between transitioning to another one of the four diets...
April 19, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29670524/semen-cassiae-extract-improves-glucose-metabolism-by-promoting-glut4-translocation-in-the-skeletal-muscle-of-diabetic-rats
#6
Meiling Zhang, Xin Li, Hangfei Liang, Huqiang Cai, Xueling Hu, Yu Bian, Lei Dong, Lili Ding, Libo Wang, Bo Yu, Yan Zhang, Yao Zhang
Diabetes mellitus is a clinical syndrome characterised by hyperglycaemia; its complications lead to disability and even death. Semen Cassiae is a traditional Chinese medicine, which has anti-hypertensive, anti-hyperlipidaemia, anti-oxidation, and anti-ageing properties. Our study was designed to evaluate the action of total anthraquinones of Semen Cassiae extract (SCE) on the improvement of glucose metabolism in diabetic rats and to elucidate the underlying mechanism. First, we evaluated the effect of SCE on normal rats...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29666152/phenylmethimazole-abrogates-diet-induced-inflammation-glucose-intolerance-and-nafld
#7
Ashley Patton, Tyler Church, Caroline Wilson, Jean Thuma, Douglas J Goetz, Darlene E Berryman, Edward O List, Frank L Schwartz, Kelly D McCall
Nonalcoholic fatty liver disease (NAFLD) is the hepatic manifestation of both metabolic and inflammatory diseases and has become the leading chronic liver disease worldwide. High fat (HF) diets promote an increased uptake and storage of free fatty acids (FFAs) and triglycerides (TGs) in hepatocytes, which initiates steatosis and induces lipotoxicity, inflammation, and insulin resistance. Activation and signaling of Toll-like receptor 4 (TLR4) by FFAs induces inflammation evident in NAFLD and insulin resistance...
April 17, 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29659786/impact-of-pregnancy-and-lactation-on-the-long-term-regulation-of-energy-balance-in-female-mice
#8
Sharon Rachel Ladyman, Zin Khant Aung, David Ross Grattan
During pregnancy and lactation, the maternal body undergoes many changes in the regulation of appetite, body weight and glucose homeostasis to deal with the metabolic demands of the growing fetus and subsequent demands of providing milk for offspring. The aim of the current study was to investigate the consequences of one reproductive cycle of pregnancy and lactation on the long-term regulation of energy homeostasis. After weaning of pups, reproductively experienced (RE) mice maintained a higher body weight compared to age-matched control mice...
April 11, 2018: Endocrinology
https://www.readbyqxmd.com/read/29658290/dietary-restriction-slightly-affects-glucose-homeostasis-and-delays-plasma-cholesterol-removal-in-rabbits-with-dietary-lipid-lowering
#9
Qi Yu, Ruihan Liu, Lijuan Han, Guangwei Zhang, Hua Guan, Qi Pan, Siwang Wang, Enqi Liu
Dietary restriction (DR) has been reported to promote the beneficial effects on atherosclerotic progression, lipid and glucose metabolism, but little is known about these effects can be enhanced or weakened by dietary lipid lowering. After 12 weeks of the high-cholesterol diet (HCD) feeding, hypercholesterolemic rabbits were fed with either a chow diet ad libitum (AL) or a chow diet with DR for 16 weeks of dietary lipid lowering. Here, we found the DR group exhibited a loss in body weight, small internal organs and the reduced fat mass, but the AL group accumulated more subcutaneous fat than the baseline group...
April 15, 2018: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29657405/immunomodulatory-effects-of-probiotics-and-prilled-fat-supplementation-on-immune-genes-expression-and-lymphocyte-proliferation-of-transition-stage-karan-fries-cows
#10
Meeti Punetha, A K Roy, H M Ajithakumar, Irshad Ahmed Para, Deepanshu Gupta, Mahendra Singh, Jaya Bharati
Background and Aim: Probiotics are the living microorganism which when administered improves the digestion and health of the animal. Saccharomyces cerevisiae (SC) improves the humoral and innate immunity of the animal. Prilled fat is a hydrogenated palm oil triglyceride which has been reported to promote the release of cytokines from macrophages. The aim of the study was to evaluate the immunomodulatory effect of probiotic and prilled fat during transition stage in Karan Fries (KF) cows...
February 2018: Veterinary World
https://www.readbyqxmd.com/read/29657020/helicobacter-pylori-infection-aggravates-diet-induced-nonalcoholic-fatty-liver-in-mice
#11
Cong He, Dandan Cheng, Huan Wang, Ketao Wu, Yin Zhu, Nonghua Lu
BACKGROUND: Previous epidemiological studies have suggested a link between Helicobacter pylori (H. pylori) infection and nonalcoholic fatty liver disease (NAFLD), yet animal studies are lacking to elucidate this association. In this study, we evaluated the potential effects of H. pylori infection on NAFLD in mice. METHODS: We first established two strains of H. pylori infected mice model with either chow diet or high fat diet (HFD). The body and liver weight, blood glucose, serum transaminases and lipid levels and markers of hepatic inflammation were measured...
April 12, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29655677/an-in-vitro-and-in-vivo-study-of-a-4-herb-formula-on-the-management-of-diet-induced-metabolic-syndrome
#12
Elaine Wat, Yanping Wang, Ken Chan, Hon Wai Law, Chi Man Koon, Kit Man Lau, Ping Chung Leung, Choly Yan, Clara Bik San Lau
BACKGROUND: Metabolic syndrome is the cluster of risk factors that leads to increased episodes of cardiovascular disease (CVD). These risk factors include but are not limited to obesity, non-alcoholic fatty liver (NAFLD), dyslipidemia, and type 2 diabetes. Since the pathogenesis of metabolic syndrome has multiple metabolic origins, there is no single treatment for it. Pharmacological approaches consist of separate drugs which target at individual risk factors which pose various side effects...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29655564/feeding-reduced-fat-dried-distillers-grains-with-solubles-to-lactating-holstein-dairy-cows-does-not-alter-milk-composition-or-cause-late-blowing-in-cheese
#13
E D Testroet, D C Beitz, M R O'Neil, A L Mueller, H A Ramirez-Ramirez, S Clark
Feeding dried distillers grains with solubles (DDGS) to lactating dairy cows has been implicated as a cause of late blowing defects in the production of Swiss-style cheeses. Our objectives were (1) to test the effect of feeding reduced-fat DDGS (RF-DDGS; ∼6% fat) to lactating dairy cows on the composition of milk and on the suitability of the milk for production of baby Swiss cheese and (2) to evaluate the effect of diet on cow lactation performance. Lactating Holstein dairy cows were fed both dietary treatments in a 2 × 2 crossover design...
April 11, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29655561/interaction-between-the-physical-forms-of-starter-and-forage-source-on-growth-performance-and-blood-metabolites-of-holstein-dairy-calves
#14
H Omidi-Mirzaei, A Azarfar, A Kiani, M Mirzaei, M H Ghaffari
The objective of this study was to investigate the effects of the physical forms of starter and forage sources on feed intake, growth performance, rumen pH, and blood metabolites of dairy calves. Forty male Holstein calves (41.3 ± 3.5 kg of body weight) were used (n = 10 calves per treatment) in a 2 × 2 factorial arrangement of treatments with the factors being physical forms of starter (coarse mash and texturized) and forage source [alfalfa hay (AH) and wheat straw (WS)]. Individually housed calves were randomly assigned to 1 of the 4 dietary treatments, including (1) coarsely mashed (CM; coarse ground grains combined with a mash supplement) starter feed with AH (CM-AH), (2) coarsely mashed starter feed with WS (CM-WS), (3) texturized feed starter (TF; includes steam-flaked corn, steam-rolled barley combined with a pelleted supplement) with AH (TF-AH), and (4) TF with WS (TF-WS)...
April 11, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29655559/associations-between-bone-and-energy-metabolism-in-cows-fed-diets-differing-in-level-of-dietary-cation-anion-difference-and-supplemented-with-cholecalciferol-or-calcidiol
#15
R M Rodney, N P Martinez, P Celi, E Block, P C Thomson, G Wijffels, D R Fraser, J E P Santos, I J Lean
Bone-derived hormones play an important role in metabolism. This study examined the hypothesis that interactions between bone and energy metabolism, particularly those involving osteocalcin, are present in dairy cattle and have feedback mechanisms over time. Associations between metabolites in blood were examined in 32 Holstein cows blocked by parity and milk yield and randomly allocated to diets containing either 0.27 mg/kg dry matter (DM) calcidiol or cholecalciferol for an anticipated intake of 3 mg/d (120,000 IU/d) at 11 kg of DM, and positive (+130 mEq/kg DM) or negative (-130 mEq/kg DM) dietary cation-anion difference (DCAD) from 252 d of gestation to calving...
April 11, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29653099/herbacetin-a-flaxseed-flavonoid-ameliorates-high-percent-dietary-fat-induced-insulin-resistance-and-lipid-accumulation-through-the-regulation-of-hepatic-lipid-metabolizing-and-lipid-regulating-enzymes
#16
Chinnadurai Veeramani, Mohammed A Alsaif, Khalid S Al-Numair
Healthy plants and their constituents have been considered as a safe remedy for the treatment of obesity and obesity associated diseases. Herbacetin is a dietary flavonoid that has been explored for many pharmacological activities; but, the anti-hyperglycaemic and anti-hyperlipidemic properties of herbacetin have not yet been explored. The present study was performed to evaluate the ameliorative effect of herbacetin on high-fat diet-induced hyperglycaemia and hyperlipidemia in 57BL/6 J mice. Obesity associated insulin resistance was induced by continuously feeding the mice with high-fat diet for 10 weeks...
April 10, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29650774/genetic-variants-in-cpa6-and-prpf31-are-associated-with-variation-in-response-to-metformin-in-individuals-with-type-2-diabetes
#17
Daniel M Rotroff, Sook Wah Yee, Kaixin Zhou, Skylar W Marvel, Hetal S Shah, John R Jack, Tammy M Havener, Monique M Hedderson, Michiaki Kubo, Mark A Herman, He Gao, Josyf C Mychaleckyi, Howard L McLeod, Alessandro Doria, Kathleen M Giacomini, Ewan R Pearson, Michael J Wagner, John B Buse, Alison A Motsinger-Reif
Metformin is the first line treatment for type 2 diabetes (T2D). Although widely prescribed, the glucose-lowering mechanism for metformin is incompletely understood. Here we used a genome-wide association approach in a diverse group of individuals with T2D from the Action to Control Cardiovascular Risk in Diabetes (ACCORD) clinical trial to identify common and rare variants associated with HbA1c response to metformin treatment, and followed up these findings in four replication cohorts. Common variants in PRPF31 and CPA6 , were associated with worse and better metformin response, respectively (p<5×10-6 ), and meta-analysis in independent cohorts displayed similar associations with metformin response (p=1...
April 12, 2018: Diabetes
https://www.readbyqxmd.com/read/29649689/high-fat-diet-alters-pas-kinase-regulation-by-fasting-and-feeding-in-liver
#18
Ana Pérez-García, Pilar Dongil, Verónica Hurtado-Carneiro, Enrique Blázquez, Carmen Sanz, Elvira Álvarez
The prevalence of overweight and obesity in the population, along with their associated complications, is a major factor contributing to increased morbidity and mortality in developed countries. The liver is a vital organ for maintaining metabolic homeostasis, especially in the adjustment periods in fasting and feeding. Per-Arnt-Sim (PAS) kinase (PASK) controls glucose homeostasis and energy metabolism in response to nutritional status. PASK-deficient mice with a high-fat diet (HFD) resist the development of obesity and hepatic steatosis, with improved insulin sensitivity...
March 12, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29643909/hyperlipidemia-and-hyper-glycaemia-in-breast-cancer-patients-is-related-to-disease-stage
#19
Uzma Raza, Mahay Rookh Asif, Asif Bin Rehman, Aminuddin Sheikh
Objective: The study was designed to determine the hyperlipidemia in breast cancer of patients at disease presentation, without any treatment and to correlate these variations with disease stage. Methods: This cross sectional study was conducted at Liaquat National teaching hospital in Karachi from 2006 to 2011, Age and family history of 208 breast cancer patients with infiltrating Ductal Carcinoma were compared with 176 matched control subjects. Married females were selected, with children and short breast feeding period...
January 2018: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29642854/comparative-transcriptome-analysis-of-hypothalamus-regulated-feed-intake-induced-by-exogenous-visfatin-in-chicks
#20
Zhuanjian Li, Xuelian Liu, Panpan Zhang, Ruili Han, Guirong Sun, Ruirui Jiang, Yanbin Wang, Xiaojun Liu, Wenya Li, Xiangtao Kang, Yadong Tian
BACKGROUND: The intracerebroventricular injection of visfatin increases feed intake. However, little is known about the molecular mechanism in chicks. This study was conducted to assess the effect of visfatin on the feeding behavior of chicks and the associated molecular mechanism. RESULTS: In response to the intraventricular injection of 40 ng and 400 ng visfatin, feed intake in chicks was significantly increased, and the concentrations of glucose, insulin, TG, HDL and LDL were significantly altered...
April 11, 2018: BMC Genomics
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