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https://www.readbyqxmd.com/read/28102299/systemic-regulation-of-l-carnitine-in-nutritional-metabolism-in-zebrafish-danio-rerio
#1
Jia-Min Li, Ling-Yu Li, Xun Qin, Li-Jun Ning, Dong-Liang Lu, Dong-Liang Li, Mei-Ling Zhang, Xin Wang, Zhen-Yu Du
Excess fat accumulation has been observed widely in farmed fish; therefore, efficient lipid-lowering factors have obtained high attention in the current fish nutrition studies. Dietary L-carnitine can increase fatty acid β-oxidation in mammals, but has produced contradictory results in different fish species. To date, the mechanisms of metabolic regulation of L-carnitine in fish have not been fully determined. The present study used zebrafish to investigate the systemic regulation of nutrient metabolism by dietary L-carnitine supplementation...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101459/venlafaxine-induced-cytotoxicity-towards-isolated-rat-hepatocytes-involves-oxidative-stress-and-mitochondrial-lysosomal-dysfunction
#2
Elham Ahmadian, Hossein Babaei, Alireza Mohajjel Nayebi, Aziz Eftekhari, Mohammad Ali Eghbal
Purpose: Depression is a public disorder worldwide. Despite the widespread use of venlafaxine in the treatment of depression, it has been associated with the incidence of toxicities. Hence, the goal of the current investigation was to evaluate the mechanisms of venlafaxine-induced cell death in the model of the freshly isolated rat hepatocytes. Methods: Collagenase-perfused rat hepatocytes were treated with venlafaxine and other agents. Cell damage, reactive oxygen species (ROS) formation, lipid peroxidation, mitochondrial membrane potential decline, lysosomal damage, glutathione (GSH) level were analyzed...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28098516/germacrone-attenuates-hyperlipidemia-and-improves-lipid-metabolism-in-high-fat-diet-induced-obese-c57bl-6j-mice
#3
Yuan-Ri Guo, Se-Young Choung
We previously showed that Aster spathulifolius Maxim extract (ASE) reduced body weight gain and serum and liver lipid levels and significantly suppressed serum insulin and leptin concentrations in high-fat diet (HFD)-induced obese rats. Germacrone (GM) was identified as a potent bioactive constituent of ASE. In this study, we hypothesized that GM can attenuate hyperlipidemia by alleviating fatty acid (FA) synthesis/uptake and improve lipid metabolism by stimulating FA β-oxidation in HFD-induced obese C57BL/6J mice...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28090353/leptin-acylcarnitine-metabolites-and-development-of-adiposity-in-the-rhea-mother-child-cohort-in-crete-greece
#4
W Perng, E Oken, T Roumeliotaki, D Sood, A P Siskos, G Chalkiadaki, E Dermitzaki, M Vafeiadi, S Kyrtopoulos, M Kogevinas, H C Keun, L Chatzi
OBJECTIVE: This study aims to investigate relations of serum leptin at age 4 with development of adiposity and linear growth during 3 years of follow-up among 75 Greek children and to identify serum metabolites associated with leptin at age 4 and to characterize their associations with adiposity gain and linear growth. METHODS: Linear regression models that accounted for maternal age, education and gestational weight gain and child's age and sex were used to examine associations of leptin and leptin-associated metabolites measured at age 4 with indicators of adiposity and linear growth at age 7...
December 2016: Obesity Science & Practice
https://www.readbyqxmd.com/read/28088290/could-post-weaning-dietary-chia-seed-mitigate-the-development-of-dyslipidemia-liver-steatosis-and-altered-glucose-homeostasis-in-offspring-exposed-to-a-sucrose-rich-diet-from-utero-to-adulthood
#5
M A Fortino, M E Oliva, S Rodriguez, Y B Lombardo, A Chicco
The present work analyzes the effects of dietary chia seeds during postnatal life in offspring exposed to a sucrose-rich diet (SRD) from utero to adulthood. At weaning, chia seed (rich in α-linolenic acid) replaced corn oil (rich in linoleic acid) in the SRD. At 150 days of offspring life, anthropometrical parameters, blood pressure, plasma metabolites, hepatic lipid metabolism and glucose homeostasis were analyzed. Results showed that chia was able to prevent the development of hypertension, liver steatosis, hypertriglyceridemia and hypercholesterolemia...
January 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28088260/korean-chungtaejeon-tea-extract-attenuates-body-weight-gain-in-c57bl-6j-lep-ob-ob-mice-and-regulates-adipogenesis-and-lipolysis-in-3t3-l1-adipocytes
#6
Bhesh Raj Sharma, Dong Wook Kim, Dong Young Rhyu
OBJECTIVE: Traditional Korean Chungtaejeon (CTJ) tea is a type of fermented tea, which has received increasing attention in recent years because of its purported health benefits. The present study was designed to investigate the effect and mechanism of CTJ tea extract on body weight gain using C57BL/6J-Lep ob/ob mice and 3T3-L1 adipocytes, respectively. METHODS: The effects of CTJ on cell viability, lipid accumulation, and expression of protein and mRNA were measured in 3T3-L1 adipocytes by using 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromide, oil red O staining, Western blotting, and reverse transcriptase-polymerase chain reaction analyses...
January 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28081221/dietary-lipid-sources-influence-fatty-acid-composition-in-tissue-of-large-yellow-croaker-larmichthys-crocea-by-regulating-triacylglycerol-synthesis-and-catabolism-at-the-transcriptional-level
#7
Hong Qiu, Min Jin, Yi Li, You Lu, Yingmei Hou, Qicun Zhou
An 8-week feeding trial was conducted to evaluate the effects of dietary lipid sources on growth performance, fatty acid composition, rate-limiting enzyme activities and gene expression related to lipid metabolism in large yellow croaker (Larmichthys crocea). Five iso-nitrogenous and iso-lipidic experimental diets were formulated to contain different lipid sources, such as fish oil (FO), soybean oil (SO), linseed oil (LO), rapeseed oil (RO) and peanut oil (PO), respectively. Triplicate groups of 50 fish (initial weight 13...
2017: PloS One
https://www.readbyqxmd.com/read/28079870/impact-of-l-carnitine-supplementation-on-metabolic-profiles-in-premature-infants
#8
R H Clark, D H Chace, A R Spitzer
OBJECTIVE: To describe the influence that of l-carnitine supplementation on acylcarnitine (AC) profiles and hospital outcomes in premature infants. STUDY DESIGN: This study is a secondary analysis of previously reported work. Metabolic profiles were obtained using standard newborn techniques on infants born between 23 and 31 completed weeks of gestation. The profiles were drawn within the first 24 h after birth and on approximately days 7, 28 and 42 of life, or at the time of discharge...
January 12, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28077467/gut-microbiota-dependent-trimethylamine-n-oxide-in-acute-coronary-syndromes-a-prognostic-marker-for-incident-cardiovascular-events-beyond-traditional-risk-factors
#9
Xinmin S Li, Slayman Obeid, Roland Klingenberg, Baris Gencer, François Mach, Lorenz Räber, Stephan Windecker, Nicolas Rodondi, David Nanchen, Olivier Muller, Melroy X Miranda, Christian M Matter, Yuping Wu, Lin Li, Zeneng Wang, Hassan S Alamri, Valentin Gogonea, Yoon-Mi Chung, W H Wilson Tang, Stanley L Hazen, Thomas F Lüscher
AIMS: Systemic levels of trimethylamine N-oxide (TMAO), a pro-atherogenic and pro-thrombotic metabolite produced from gut microbiota metabolism of dietary trimethylamine (TMA)-containing nutrients such as choline or carnitine, predict incident cardiovascular event risks in stable primary and secondary prevention subjects. However, the prognostic value of TMAO in the setting of acute coronary syndromes (ACS) remains unknown. METHODS AND RESULTS: We investigated the relationship of TMAO levels with incident cardiovascular risks among sequential patients presenting with ACS in two independent cohorts...
January 11, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28077427/serum-trimethylamine-n-oxide-carnitine-choline-and-betaine-in-relation-to-colorectal-cancer-risk-in-the-alpha-tocopherol-and-beta-carotene-study
#10
Kristin A Guertin, Xinmin S Li, Barry I Graubard, Demetrius Albanes, Stephanie J Weinstein, James J Goedert, Zeneng Wang, Stanley L Hazen, Rashmi Sinha
BACKGROUND: TMAO, a choline-derived metabolite produced by gut microbiota, and its biomarker precursors have not been adequately evaluated in relation to colorectal cancer risk. METHODS: We investigated the relationship between serum concentrations of TMAO and its biomarker precursors (choline, carnitine and betaine) and incident colorectal cancer risk in a nested case-control study of male smokers in the Alpha-Tocopherol, Beta-Carotene Cancer Prevention (ATBC) Study...
January 11, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28076827/new-diphenylmethane-derivatives-as-peroxisome-proliferator-activated-receptor-alpha-gamma-dual-agonists-endowed-with-anti-proliferative-effects-and-mitochondrial-activity
#11
Luca Piemontese, Carmen Cerchia, Antonio Laghezza, Pamela Ziccardi, Sabina Sblano, Paolo Tortorella, Vito Iacobazzi, Vittoria Infantino, Paolo Convertini, Fabrizio Dal Piaz, Angelo Lupo, Vittorio Colantuoni, Antonio Lavecchia, Fulvio Loiodice
We screened a short series of new chiral diphenylmethane derivatives and identified potent dual PPARα/γ partial agonists. As both enantiomers of the most active compound 1 displayed an unexpected similar transactivation activity, we performed docking experiments to provide a molecular understanding of their similar partial agonism. We also evaluated the ability of both enantiomers of 1 and racemic 2 to inhibit colorectal cancer cells proliferation: (S)-1 displayed a more robust activity due, at least in part, to a partial inhibition of the Wnt/β-catenin signalling pathway that is upregulated in the majority of colorectal cancers...
December 24, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28070495/an-atypical-presentation-of-acad9-deficiency-diagnosis-by-whole-exome-sequencing-broadens-the-phenotypic-spectrum-and-alters-treatment-approach
#12
H K Aintablian, V Narayanan, N Belnap, K Ramsey, T A Grebe
Acyl-CoA dehydrogenase 9 (ACAD9), linked to chromosome 3q21.3, is one of a family of multimeric mitochondrial flavoenzymes that catalyze the degradation of fatty acyl-CoA from the carnitine shuttle via β-oxidation (He et al. 2007). ACAD9, specifically, is implicated in the processing of palmitoyl-CoA and long-chain unsaturated substrates, but unlike other acyl-CoA dehydrogenases (ACADs), it has a significant role in mitochondrial complex I assembly (Nouws et al. 2010 & 2014). Mutations in this enzyme typically cause mitochondrial complex I deficiency, as well as a mild defect in long chain fatty acid metabolism (Haack et al...
March 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28070248/childhood-cardiomyopathies-a-study-in-tertiary-care-hospital-in-upper-egypt
#13
Mohamed Abd Elaal Bakeet, Montaser Mohamed Mohamed, Ahmed Ahmed Allam, Rania Gamal
INTRODUCTION: Cardiomyopathy (CMP) is defined by the World Health Organization (WHO) as a disease of the myocardium associated with cardiac dysfunction. An understanding of CMP is very important, as it is a common cause of heart failure in children, and the most common indication for heart transplantation in children older than one year, but data on CMP in Egypt are scarce. The aim of this study was to determine the number, risk factors, clinical presentation, complications and outcome of different types of childhood cardiomyopathies in Sohag University Hospital...
November 2016: Electronic Physician
https://www.readbyqxmd.com/read/28066832/antioxidant-supplements-and-semen-parameters-an-evidence-based-review
#14
REVIEW
Sedigheh Ahmadi, Reihane Bashiri, Akram Ghadiri-Anari, Azadeh Nadjarzadeh
Many studies have focused on male infertility. There is limited evidence about the influence of nutrition on quality of semen. Approximately, 30-80% of infertility cases are caused by oxidative stress and decreased level of seminal total antioxidant capacity. This study was aimed to review the effects of oral antioxidant supplements on improving major semen parameters such as sperm concentration, motility, morphology, DNA damage, and fertility rate. Data were extracted from PubMed and Google scholar database by using the terms "antioxidant", "multivitamin", "carnitine", "CoQ10", "vitamin C", "vitamin E", "zinc", "folic acid", "N-acetyl cysteine" and "selenium" combined with "male infertility", "semen", and "sperm" to generate a set of relevant citations...
December 2016: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/28066136/association-study-between-octn1-functional-haplotypes-and-crohn-s-disease-in-a-korean-population
#15
Eun Suk Jung, Hyo Jin Park, Kyoung Ae Kong, Ji Ha Choi, Jae Hee Cheon
Crohn's disease (CD) is a chronic inflammatory bowel disease with multifactorial causes including environmental and genetic factors. Several studies have demonstrated that the organic cation/carnitine transporter 1 (OCTN1) non-synonymous variant L503F is associated with susceptibility to CD. However, it was reported that L503F is absent in Asian populations. Previously, we identified and functionally characterized genetic variants of the OCTN1 promoter region in Koreans. In that study, four variants demonstrated significant changes in promoter activity...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28065453/protective-effects-of-l-carnitine-against-delayed-graft-function-in-kidney-transplant-recipients-a-pilot-randomized-double-blinded-placebo-controlled-clinical-trial
#16
Atefeh Jafari, Mohammad-Reza Khatami, Simin Dashti-Khavidaki, Mahboob Lessan-Pezeshki, Alireza Abdollahi, Azadeh Moghaddas
OBJECTIVE: Delayed graft function (DGF) is an early complication after deceased donor kidney transplantation with significant adverse effects on graft outcomes. Ischemia-reperfusion injury during transplantation is a major cause of DGF. Tissue concentrations of carnitine, an antioxidant and regulator of cellular energy supply, decrease in the kidney following ischemia-reperfusion insult. Based on promising animal data, this study evaluated the possible protective effect of L-carnitine against DGF...
January 3, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28062543/multiple-slc-and-abc-transporters-contribute-to-the-placental-transfer-of-entecavir
#17
Zhiyuan Ma, Xi Yang, Ting Jiang, Mengru Bai, Caihong Zheng, Su Zeng, Dongli Sun, Huidi Jiang
Entecavir (ETV), a nucleoside analogue with high efficacy against hepatitis B virus, is recommended as a first-line antiviral drug for the treatment of chronic hepatitis B. However, scant information is available on the use of ETV in pregnancy. To better understand the safety of ETV in pregnant women, we aimed to demonstrate whether ETV could permeate placental barrier and the underlying mechanism. Our study showed that small amount of ETV could permeate across placenta in mice. ETV accumulation in activated or non-activated BeWo cells (treated with or without forskolin) was sharply reduced in the presence of 100 μM of adenosine, cytidine and in Na+ free medium, indicating that nucleoside transporters possibly mediate the uptake of ETV...
January 6, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28056548/l-carnitine-contributes-to-enhancement-of-neurogenesis-from-mesenchymal-stem-cells-through-wnt-%C3%AE-catenin-and-pka-pathway
#18
Ezzatollah Fathi, Raheleh Farahzadi, Hojjatollah N Charoudeh
The identification of factors capable of enhancing neurogenesis has great potential for cellular therapies in neurodegenerative diseases. Multiple studies have shown the neuroprotective effects of L-carnitine (LC). This study determined whether neuronal differentiation of rat adipose tissue-derived mesenchymal stem cells (ADSCs) can be activated by LC. In this study, protein kinase A (PKA) and Wnt/β-catenin pathways were detected to show if this activation was due to these pathways. The expression of LC-induced neurogenesis markers in ADSCs was characterized using real-time PCR...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28054946/muscle-carnitine-palmitoyltransferase-ii-deficiency-a-review-of-enzymatic-controversy-and-clinical-features
#19
REVIEW
Diana Lehmann, Leila Motlagh, Dina Robaa, Stephan Zierz
CPT (carnitine palmitoyltransferase) II muscle deficiency is the most common form of muscle fatty acid metabolism disorders. In contrast to carnitine deficiency, it is clinically characterized by attacks of myalgia and rhabdomyolysis without persistent muscle weakness and lipid accumulation in muscle fibers. The biochemical consequences of the disease-causing mutations are still discussed controversially. CPT activity in muscles of patients with CPT II deficiency ranged from not detectable to reduced to normal...
January 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28054209/long-term-outcome-of-expanded-newborn-screening-at-boston-children-s-hospital-benefits-and-challenges-in-defining-true-disease
#20
Yuval E Landau, Susan E Waisbren, Lawrence M A Chan, Harvey L Levy
INTRODUCTION: There is no universal consensus of the disorders included in newborn screening programs. Few studies so far, mostly short-term, have compared the outcome of disorders detected by expanded newborn screening (ENBS) to the outcome of the same disorders detected clinically. METHODS: We compared the clinical and neurodevelopmental outcomes in patients with metabolic disorders detected by ENBS, including biotinidase testing, with those detected clinically and followed at the Metabolism Clinic at Boston Children's Hospital...
January 4, 2017: Journal of Inherited Metabolic Disease
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