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dyslipidemia and carnitine

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https://www.readbyqxmd.com/read/29904341/medium-chain-fatty-acids-beta-hydroxybutyric-acid-and-genetic-modulation-of-the-carnitine-shuttle-are-protective-in-a-drosophila-model-of-als-based-on-tdp-43
#1
Ernesto Manzo, Abigail G O'Conner, Jordan M Barrows, Dakotah D Shreiner, Gabriel J Birchak, Daniela C Zarnescu
ALS patients exhibit dyslipidemia, hypermetabolism and weight loss; in addition, cellular energetics deficits have been detected prior to denervation. Although evidence that metabolism is altered in ALS is compelling, the mechanisms underlying metabolic dysregulation and the contribution of altered metabolic pathways to disease remain poorly understood. Here we use a Drosophila model of ALS based on TDP-43 that recapitulates hallmark features of the disease including locomotor dysfunction and reduced lifespan...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29778008/plasma-metabolic-changes-in-chinese-hiv-infected-patients-receiving-lopinavir-ritonavir-based-treatment-implications-for-hiv-precision-therapy
#2
Xiaolin Li, Tong Wu, Yongjun Jiang, Zining Zhang, Xiaoxu Han, Wenqing Geng, Haibo Ding, Jing Kang, Qi Wang, Hong Shang
OBJECTIVES: The goal of this study is to profile the metabolic changes in the plasma of HIV patients receiving lopinavir/ritonavir (LPV/r)-based highly active antiretroviral therapy (HAART) relative to their treatment-naïve phase, aimed to identify precision therapy for HIV for improving prognosis and predicting dyslipidemia caused by LPV/r. METHODS: 38 longitudinal plasma samples were collected from 19 HIV-infected patients both before and after antiretroviral therapy, and 18 samples from healthy individuals were used as controls...
May 16, 2018: Cytokine
https://www.readbyqxmd.com/read/29696241/blood-pressure-and-metabolic-effects-of-acetyl-l-carnitine-in-type-2-diabetes-diabasi-randomized-controlled-trial
#3
Aneliya Parvanova, Matias Trillini, Manuel A Podestà, Ilian P Iliev, Carolina Aparicio, Annalisa Perna, Francesco Peraro, Nadia Rubis, Flavio Gaspari, Antonio Cannata, Silvia Ferrari, Antonio C Bossi, Roberto Trevisan, Sreejith Parameswaran, Jonathan S Chávez-Iñiguez, Fahrudin Masnic, Sidy Mohamed Seck, Teerayuth Jiamjariyaporn, Monica Cortinovis, Luca Perico, Kanishka Sharma, Giuseppe Remuzzi, Piero Ruggenenti, David G Warnock
Context: Acetyl-l-carnitine (ALC), a mitochondrial carrier involved in lipid oxidation and glucose metabolism, decreased systolic blood pressure (SBP), and ameliorated insulin sensitivity in hypertensive nondiabetic subjects at high cardiovascular risk. Objective: To assess the effects of ALC on SBP and glycemic and lipid control in patients with hypertension, type 2 diabetes mellitus (T2D), and dyslipidemia on background statin therapy. Design: After 4-week run-in period and stratification according to previous statin therapy, patients were randomized to 6-month, double-blind treatment with ALC or placebo added-on simvastatin...
May 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29377296/genipin-ameliorates-diet-induced-obesity-via-promoting-lipid-mobilization-and-browning-of-white-adipose-tissue-in-rats
#4
Lili Guan, Dezheng Gong, Sirao Yang, Nana Shen, Sai Zhang, Yuchen Li, Qiong Wu, Bo Yuan, Yiping Sun, Ning Dai, Liang Zhu, Yuan Zou
Genipin is the major active component of Gardeniae fructus and has been shown to ameliorate diabetes and insulin resistance in rat models. In this study, we first investigated the effect of genipin on obesity and the related lipid metabolism mechanisms in diet-induced obese rats. Our results showed that genipin reduced body weight, food intake, and visceral fat mass; ameliorated dyslipidemia, glucose intolerance, insulin intolerance, adipocyte hypertrophy, and hepatic steatosis; and reduced serum tumor necrosis factor-α level in diet-induced obese rats...
April 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29359025/cardiac-autonomic-neuropathy-risk-factors-diagnosis-and-treatment
#5
REVIEW
Victoria A Serhiyenko, Alexandr A Serhiyenko
Cardiac autonomic neuropathy (CAN) is a serious complication of diabetes mellitus (DM) that is strongly associated with approximately five-fold increased risk of cardiovascular mortality. CAN manifests in a spectrum of things, ranging from resting tachycardia and fixed heart rate (HR) to development of "silent" myocardial infarction. Clinical correlates or risk markers for CAN are age, DM duration, glycemic control, hypertension, and dyslipidemia (DLP), development of other microvascular complications...
January 15, 2018: World Journal of Diabetes
https://www.readbyqxmd.com/read/28814665/fatty-acid-oxidation-by-the-osteoblast-is-required-for-normal-bone-acquisition-in-a-sex-and-diet-dependent-manner
#6
Soohyun P Kim, Zhu Li, Meredith L Zoch, Julie L Frey, Caitlyn E Bowman, Priyanka Kushwaha, Kathleen A Ryan, Brian C Goh, Susanna Scafidi, Julie E Pickett, Marie-Claude Faugere, Erin E Kershaw, Daniel L J Thorek, Thomas L Clemens, Michael J Wolfgang, Ryan C Riddle
Postnatal bone formation is influenced by nutritional status and compromised by disturbances in metabolism. The oxidation of dietary lipids represents a critical source of ATP for many cells but has been poorly studied in the skeleton, where the prevailing view is that glucose is the primary energy source. Here, we examined fatty acid uptake by bone and probed the requirement for fatty acid catabolism during bone formation by specifically disrupting the expression of carnitine palmitoyltransferase 2 (Cpt2), an obligate enzyme in fatty acid oxidation, in osteoblasts and osteocytes...
August 17, 2017: JCI Insight
https://www.readbyqxmd.com/read/28723568/loss-of-hepatic-mitochondrial-long-chain-fatty-acid-oxidation-confers-resistance-to-diet-induced-obesity-and-glucose-intolerance
#7
Jieun Lee, Joseph Choi, Ebru S Selen Alpergin, Liang Zhao, Thomas Hartung, Susanna Scafidi, Ryan C Riddle, Michael J Wolfgang
The liver has a large capacity for mitochondrial fatty acid β-oxidation, which is critical for systemic metabolic adaptations such as gluconeogenesis and ketogenesis. To understand the role of hepatic fatty acid oxidation in response to a chronic high-fat diet (HFD), we generated mice with a liver-specific deficiency of mitochondrial long-chain fatty acid β-oxidation (Cpt2L-/- mice). Paradoxically, Cpt2L-/- mice were resistant to HFD-induced obesity and glucose intolerance with an absence of liver damage, although they exhibited serum dyslipidemia, hepatic oxidative stress, and systemic carnitine deficiency...
July 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28333970/-epicatechin-3-o-%C3%AE-d-allopyranoside-from-davallia-formosana-prevents-diabetes-and-dyslipidemia-in-streptozotocin-induced-diabetic-mice
#8
Cheng-Hsiu Lin, Jin-Bin Wu, Jia-Ying Jian, Chun-Ching Shih
The objective of this study was to evaluate the effects and molecular mechanism of (-)-epicatechin-3-O-β-D-allopyranoside from Davallia formosana (BB) (also known as Gu-Sui-Bu) on type 1 diabetes mellitus and dyslipidemia in streptozotocin (STZ)-induced diabetic mice. This plant was demonstrated to display antioxidant activities and possess polyphenol contents. Diabetic mice were randomly divided into six groups and were given daily oral gavage doses of either BB (at three dosage levels), metformin (Metf) (at 0...
2017: PloS One
https://www.readbyqxmd.com/read/28217401/presence-of-arachidonoyl-carnitine-is-associated-with-adverse-cardiometabolic-responses-in-hypertensive-patients-treated-with-atenolol
#9
Liming Weng, Yan Gong, Jeffrey Culver, Stephen J Gardell, Christopher Petucci, Alison M Morse, Reginald F Frye, Stephen T Turner, Arlene Chapman, Eric Boerwinkle, John Gums, Amber L Beitelshees, Peggy R Borum, Julie A Johnson, Timothy J Garrett, Lauren M McIntyre, Rhonda M Cooper-DeHoff
INTRODUCTION: Atenolol, a commonly prescribed β blocker for hypertension, is also associated with adverse cardiometabolic effects such as hyperglycemia and dyslipidemia. Knowledge of the mechanistic underpinnings of these adverse effects of atenolol is incomplete. OBJECTIVE: We sought to identify biomarkers associated with risk for these untoward effects of atenolol. We measured baseline blood serum levels of acylcarnitines (ACs) that are involved in a host of different metabolic pathways, to establish associations with adverse cardiometabolic responses after atenolol treatment...
October 2016: Metabolomics: Official Journal of the Metabolomic Society
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
#10
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/27856995/choline-protects-against-intestinal-failure-associated-liver-disease-in-parenteral-nutrition-fed-immature-rats
#11
Jie Zhu, Ting Lu, Fei Chen, Junkai Yan, Fan Chen, Qiaosen Zhang, Jifan Wang, Weihui Yan, Tingxi Yu, Qingya Tang, Wei Cai
BACKGROUND: Deficiency of choline, a required nutrient, is related to intestinal failure-associated liver disease (IFALD). Therefore, we aimed to investigate the effects of choline supplementation on IFALD and the underlying mechanisms. METHODS: Male Sprague-Dawley rats (4 weeks old) were fed AIN-93G chow and administered intravenous 0.9% saline (control), parenteral nutrition (PN), or PN plus intravenous choline (600 mg/kg) for 7 days. We evaluated body weight, hepatic histology, biochemical indicators, triglycerides, oxidative status, methylation levels of peroxisomal proliferator-activated receptor alpha (PPARα) gene promoter, expression of PPARα and carnitine palmitoyltransferase 1 (CPT1), and levels of choline metabolites...
November 1, 2016: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27854029/acute-administration-of-3-5-diiodo-l-thyronine-to-hypothyroid-rats-stimulates-bioenergetic-parameters-in-liver-mitochondria
#12
Alessandro Cavallo, Federica Taurino, Fabrizio Damiano, Luisa Siculella, Anna Maria Sardanelli, Antonio Gnoni
The role of 3,5-diiodo-L-thyronine (T2), initially considered only a 3,3',5-triiodo-L-thyronine (T3) catabolite, in the bioenergetic metabolism is of growing interest. In this study we investigated the acute effects (within 1 h) of T2 administration to hypothyroid rats on liver mitochondria fatty acid uptake and β-oxidation rate, mitochondrial efficiency (by measuring proton leak) and mitochondrial oxidative damage (by determining H2O2 release). Fatty acid uptake into mitochondria was measured assaying carnitine palmitoyl transferase (CPT) I and II activities, and fatty acid β-oxidation using palmitoyl-CoA as a respiratory substrate...
October 2016: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/27353085/ethanol-extracts-of-chickpeas-alter-the-total-lipid-content-and-expression-levels-of-genes-related-to-fatty-acid-metabolism-in-mouse-3t3-l1-adipocytes
#13
Shigeo Shinohara, Yuanjun Gu, Ying Yang, Yasuo Furuta, Masahiko Tanaka, Xiaohua Yue, Weiqing Wang, Masaru Kitano, Hiroshi Kimura
Desi-type chickpeas, which have long been used as a natural treatment for diabetes, have been reported to lower visceral adiposity, dyslipidemia and insulin resistance induced by a chronic high-fat diet in rats. In this study, in order to examine the effects of chickpeas of this type in an in vitro system, we used the 3T3-L1 mouse cell line, a subclone of Swiss 3T3 cells, which can differentiate into cells with an adipocyte-like phenotype, and we used ethanol extracts of chickpeas (ECP) instead of chickpeas...
August 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27320917/hepatic-fatty-acid-oxidation-restrains-systemic-catabolism-during-starvation
#14
Jieun Lee, Joseph Choi, Susanna Scafidi, Michael J Wolfgang
The liver is critical for maintaining systemic energy balance during starvation. To understand the role of hepatic fatty acid β-oxidation on this process, we generated mice with a liver-specific knockout of carnitine palmitoyltransferase 2 (Cpt2(L-/-)), an obligate step in mitochondrial long-chain fatty acid β-oxidation. Fasting induced hepatic steatosis and serum dyslipidemia with an absence of circulating ketones, while blood glucose remained normal. Systemic energy homeostasis was largely maintained in fasting Cpt2(L-/-) mice by adaptations in hepatic and systemic oxidative gene expression mediated in part by Pparα target genes including procatabolic hepatokines Fgf21, Gdf15, and Igfbp1...
June 28, 2016: Cell Reports
https://www.readbyqxmd.com/read/27011261/berberine-attenuates-development-of-the-hepatic-gluconeogenesis-and-lipid-metabolism-disorder-in-type-2-diabetic-mice-and-in-palmitate-incubated-hepg2-cells-through-suppression-of-the-hnf-4%C3%AE-mir122-pathway
#15
Shengnan Wei, Ming Zhang, Yang Yu, Xiaoxin Lan, Fan Yao, Xin Yan, Li Chen, Grant M Hatch
Berberine (BBR) has been shown to exhibit protective effects against diabetes and dyslipidemia. Previous studies have indicated that BBR modulates lipid metabolism and inhibits hepatic gluconeogensis by decreasing expression of Hepatocyte Nuclear Factor-4α (HNF-4α). However, the mechanism involved in this process was unknown. In the current study, we examined the mechanism of how BBR attenuates hepatic gluconeogenesis and the lipid metabolism alterations observed in type 2 diabetic (T2D) mice and in palmitate (PA)-incubated HepG2 cells...
2016: PloS One
https://www.readbyqxmd.com/read/27000070/effect-of-danqi-pill-on-ppar%C3%AE-lipid-disorders-and-arachidonic-acid-pathway-in-rat-model-of-coronary-heart-disease
#16
Hong Chang, Qiyan Wang, Tianjiao Shi, Kuiyuan Huo, Chun Li, Qian Zhang, Guoli Wang, Yuanyuan Wang, Binghua Tang, Wei Wang, Yong Wang
BACKGROUND: Danqi pill (DQP) is one of the most widely prescribed formulas and has been shown to have remarkable protective effect on coronary heart disease (CHD). However, its regulatory effects on lipid metabolism disorders haven't been comprehensively studied so far. We aimed to explore the effects of DQP on Peroxisome Proliferator activated receptors α (PPARα), lipid uptake-transportation-metabolism pathway and arachidonic acid (AA)-mediated inflammation pathway in rats with CHD...
March 22, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/26938273/pharmacological-inhibition-of-monoacylglycerol-o-acyltransferase-2-improves-hyperlipidemia-obesity-and-diabetes-by-change-in-intestinal-fat-utilization
#17
Kazumi Take, Taisuke Mochida, Toshiyuki Maki, Yoshinori Satomi, Megumi Hirayama, Masanori Nakakariya, Nobuyuki Amano, Ryutaro Adachi, Kenjiro Sato, Tomoyuki Kitazaki, Shiro Takekawa
Monoacylglycerol O-acyltransferase 2 (MGAT2) catalyzes the synthesis of diacylglycerol (DG), a triacylglycerol precursor and potential peripheral target for novel anti-obesity therapeutics. High-throughput screening identified lead compounds with MGAT2 inhibitory activity. Through structural modification, a potent, selective, and orally bioavailable MGAT2 inhibitor, compound A (compA), was discovered. CompA dose-dependently inhibited postprandial increases in plasma triglyceride (TG) levels. Metabolic flux analysis revealed that compA inhibited triglyceride/diacylglycerol resynthesis in the small intestine and increased free fatty acid and acyl-carnitine with shorter acyl chains than originally labelled fatty acid...
2016: PloS One
https://www.readbyqxmd.com/read/26828527/mechanisms-involved-in-the-improvement-of-lipotoxicity-and-impaired-lipid-metabolism-by-dietary-%C3%AE-linolenic-acid-rich-salvia-hispanica-l-salba-seed-in-the-heart-of-dyslipemic-insulin-resistant-rats
#18
Agustina Creus, María R Ferreira, María E Oliva, Yolanda B Lombardo
This study explores the mechanisms underlying the altered lipid metabolism in the heart of dyslipemic insulin-resistant (IR) rats fed a sucrose-rich diet (SRD) and investigates if chia seeds (rich in α-linolenic acid 18:3, n-3 ALA) improve/reverse cardiac lipotoxicity. Wistar rats received an SRD-diet for three months. Half of the animals continued with the SRD up to month 6. The other half was fed an SRD in which the fat source, corn oil (CO), was replaced by chia seeds from month 3 to 6 (SRD+chia). A reference group consumed a control diet (CD) all the time...
2016: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/26803481/melatonin-and-l-carnitin-improves-endothelial-disfunction-and-oxidative-stress-in-type-2-diabetic-rats
#19
Derya Selcen Salmanoglu, Tugba Gurpinar, Kamil Vural, Nuran Ekerbicer, Ertan Darıverenli, Ahmet Var
Vascular dysfunction is thought to play a major role in the development of diabetic cardiovascular disease. The roles of endothelial dysfunction, oxidative stress, and dyslipidemia will be considered. Melatonin as well as L-carnitine were shown to possess strong antioxidant properties. Diabetes induced with high fat diet (for 8 weeks) and multipl low doses intraperitoneal injection of STZ (twice, 30mg/kg/d i.p). The diabetic animals were randomly assigned to one of the experimental groups as follows: Control group (C), high fat diet (HFD), STZ-induced diabetic group (HFD+STZ) , HFD+STZ diabetic group received melatonin (10mg/kg/d i...
August 2016: Redox Biology
https://www.readbyqxmd.com/read/26621841/implications-of-a-peroxisome-proliferator-activated-receptor-alpha-ppar%C3%AE-ligand-clofibrate-in-breast-cancer
#20
Karthic Chandran, Sudeshna Goswami, Neelam Sharma-Walia
Inflammatory and invasive breast cancers are aggressive and require better understanding for the development of new treatments and more accurate prognosis. Here, we detected high expression of PPARα in human primary inflammatory (SUM149PT) and highly invasive (SUM1315MO2) breast cancer cells, and tissue sections of human breast cancer. PPARα ligands are clinically used to treat dyslipidemia. Among lipid lowering drugs clofibrate, fenofibrate and WY14643, clofibrate showed high chemo-sensitivity towards breast cancer cells...
March 29, 2016: Oncotarget
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