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Carnitine

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https://www.readbyqxmd.com/read/28430821/dietary-dha-epa-ratio-affected-tissue-fatty-acid-profiles-antioxidant-capacity-hematological-characteristics-and-expression-of-lipid-related-genes-but-not-growth-in-juvenile-black-seabream-acanthopagrus-schlegelii
#1
Min Jin, Óscar Monroig, You Lu, Ye Yuan, Yi Li, Liyun Ding, Douglas R Tocher, Qicun Zhou
An 8-week feeding trial was conducted to investigate the effects of dietary docosahexaenoic to eicosapentaenoic acid ratio (DHA/EPA) on growth performance, fatty acid profiles, antioxidant capacity, hematological characteristics and expression of some lipid metabolism related genes of juvenile black seabream (Acanthopagrus schlegelii) of initial weight 9.47 ± 0.03 g. Five isonitrogenous and isolipidic diets (45% crude protein and 14% crude lipid) were formulated to contain graded DHA/EPA ratios of 0.65, 1...
2017: PloS One
https://www.readbyqxmd.com/read/28425821/l-carnitine-supplementation-to-reverse-hyperammonemia-in-a-patient-undergoing-chronic-valproic-acid-treatment-a-case-report
#2
Cecilia Maldonado, Natalia Guevara, Alicia Silveira, Pietro Fagiolino, Marta Vázquez
Valproic acid is a broad-spectrum anticonvulsant that has also gained attention in the psychiatric setting. With respect to safety, valproic acid may induce a seemingly rare condition, hyperammonemia, which can induce a wide variety of symptoms ranging from irritability to coma. The proposed mechanism of hyperammonemia involves depletion of carnitine and overproduction of a toxic metabolite, 4-en-valproic acid, both of which impair the urea cycle and thus ammonia elimination. Carnitine is a commonly used antidote for acute intoxication of valproic acid, but is not a therapeutic option for management of chronic adults with adverse effects related to valproic acid...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28424167/rethinking-the-regulation-of-l-carnitine-transport-in-skeletal-muscle-cells-focus-on-the-role-of-ampk
#3
Da Xu, Guofeng You
N/A.
April 19, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28422289/dietary-tuna-dark-muscle-protein-attenuates-hepatic-steatosis-and-increases-serum-high-density-lipoprotein-cholesterol-in-obese-type-2-diabetic-obese-kk-a-y-mice
#4
Hayato Maeda, Ryota Hosomi, Mari Fukuda, Yuki Ikeda, Munehiro Yoshida, Kenji Fukunaga
Tuna muscle consists of light and dark muscle in approximately equal proportions. However, besides for the light muscle of tuna, cod, sardine, and salmon, few researches have assessed the health-promoting functions of fish protein. Therefore, we evaluated the mechanisms underlying the alteration of lipid storage and cholesterol metabolism following the intake of tuna dark muscle protein (TDMP) by obese type-2 diabetic/obese mice. Four-week-old male KK-A(y) mice were separated into 2 dietary groups, with one group receiving a casein-based diet and the other receiving a diet with the substitution of part of the protein (50%, w/w) by TDMP (TDMP diet) for 4 wk...
April 19, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28419998/dynamics-of-l-carnitine-in-plasma-and-urine-in-patients-undergoing-cisplatin-chemotherapy
#5
Daisuke Gomi, Aika Tanaka, Toshirou Fukushima, Takashi Kobayashi, Hirohide Matsushita, Nodoka Sekiguchi, Akiyuki Sakamoto, Shigeru Sasaki, Keiko Mamiya, Tomonobu Koizumi
BACKGROUND AND AIMS: Several studies have indicated that cisplatin (cis-diamminedichloroplatinum II; CDDP) causes urinary excretion of L-carnitine (LC). However, the underlying cofactors affecting the increased urinary excretion remain unclear. The present study was performed to evaluate the dynamics of LC in plasma and urine after CDDP chemotherapy and to examine the relations with clinical parameters, such as gender, body mass index (BMI), and renal function. METHODS: Twenty-two patients treated with CDDP therapy were selected...
April 19, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28412654/nigella-sativa-a-traditional-tunisian-herbal-medicine-attenuates-bleomycin-induced-pulmonary-fibrosis-in-a-rat-model
#6
Anouar Abidi, Alexandre Robbe, Nadia Kourda, Saloua Ben Khamsa, Alexandre Legrand
The present study investigated the effects of Nigella sativa oil (NSO) on bleomycin (BLM)-induced lung fibrosis in rats. The rat model of pulmonary fibrosis (PF) was established by intratracheal instillation of BLM, and the effect of 1ml/kg oral NSO treatment once daily observed. The effect of NSO was studied over a period of 50daysusing (1)H RMN analysis on the urine and broncho alveolar lavage fluid (Balf) of the rats. Histopathological (inflammation and fibrosis) and immunohistochemical (TGF-β1 density) changes were evaluated...
April 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28412387/germ-cells-regulate-3-hydroxybutyrate-production-in-rat-sertoli-cells
#7
Regueira Mariana, Rindone Gustavo Marcelo, Galardo María Noel, Pellizzari Eliana Herminia, Cigorraga Selva Beatriz, Meroni Silvina Beatriz, Riera María Fernanda
Paracrine regulation of Sertoli cell function by germ cells is an outstanding characteristic of testicular physiology. It has been demonstrated that Sertoli cells produce ketone bodies and that germ cells may use them as energy source. The aim of the study was to analyze a possible regulation by germ cells of ketogenesis in Sertoli cells. Cultures of Sertoli cells (SC) obtained from 31-day-old rats were co-cultured with germ cells (GC). The results presented herein show that the presence of GC stimulated 3-hydroxybutyrate production and increased mRNA levels of two enzymes involved in ketogenesis -carnitine palmitoyltransferase 1a (CPT1a) and mitochondrial 3-hydroxy-3-methylglutaryl-CoA (mHMGCoA) synthase- in SC...
April 12, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28411331/glutaric-acidemia-type-1-a-case-of-infantile-stroke
#8
Gül Demet Kaya Ozcora, Songul Gokay, Mehmet Canpolat, Fatih Kardaş, Mustafa Kendirci, Sefer Kumandaş
BACKGROUND: Glutaric acidemia Type 1 (GA-1) is an autosomal recessively inherited metabolic disorder which is associated with GCDH gene mutations which alters the glutaryl-CoA dehydrogenase, an enzyme playing role in the catabolic pathways of the amino acids lysine, hydroxylysine, and tryptophan. Clinical findings are often encephalopathic crises, dystonia, and extrapyramidal symptoms. CASE REPORT: A 9-month-old male infant referred to our department with focal tonic-clonic seizures during rotavirus infection and acute infarcts in MRI...
April 15, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28410798/protective-role-of-coq10-or-l-carnitine-on-the-integrity-of-the-myocardium-in-doxorubicin-induced-toxicity
#9
Hesham N Mustafa, Gehan A Hegazy, Sally A El Awdan, Marawan AbdelBaset
Doxorubicin (DOX) is a chemotherapeutic agent used for treatment of different cancers and its clinical usage is hindered by the oxidative injury-related cardiotoxicity. This work aims to declare if the harmful effects of DOX on heart can be alleviated with the use of Coenzyme Q10 (CoQ10) or L-carnitine. The study was performed on seventy two female Wistar albino rats divided into six groups, 12 animals each: Control group; DOX group (10mg/kg); CoQ10 group (200mg/kg); L-carnitine group (100mg/kg); DOX+CoQ10 group; DOX+L-carnitine group...
April 2, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28404627/multiphasic-regulation-of-systemic-and-peripheral-organ-metabolic-responses-to-cardiac-hypertrophy
#10
Chong Wee Liew, Shanshan Xu, Xuerong Wang, Maximilian McCann, Hyerim Whang Kong, Andrew C Carley, Jingbo Pang, Giamila Fantuzzi, J Michael O'Donnell, E Douglas Lewandowski
BACKGROUND: Reduced fat oxidation in hypertrophied hearts coincides with a shift of carnitine palmitoyl transferase I from muscle to increased liver isoforms. Acutely increased carnitine palmitoyl transferase I in normal rodent hearts has been shown to recapitulate the reduced fat oxidation and elevated atrial natriuretic peptide message of cardiac hypertrophy. METHODS AND RESULTS: Because of the potential for reduced fat oxidation to affect cardiac atrial natriuretic peptide, and thus, induce adipose lipolysis, we studied peripheral and systemic metabolism in male C57BL/6 mice model of transverse aortic constriction in which left ventricular hypertrophy occurred by 2 weeks without functional decline until 16 weeks (ejection fraction, -45...
April 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28397225/-clinical-features-and-genetic-analysis-of-a-case-with-carnitine-palmitoyltransferase-1a-deficiency
#11
Dong Cui, Yuhui Hu, Dan Shen, Gen Tang, Min Zhang, Jing Duan, Pengqiang Wen, Jianxiang Liao, Dongli Ma, Shuli Chen
OBJECTIVE: To analyze the clinical and molecular features of a child with carnitine palmitoyltransferase 1A (CPT1A) deficiency. METHODS: Clinical data of the child was collected. Blood acylcarnitine was determined with tandem mass spectrometry. DNA was extracted from the child and his parents. All exons and flanking regions of the CPT1A gene were analyzed by PCR and Sanger sequencing. RESULTS: Analysis showed that the patient carried compound heterozygous mutations c...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28396261/experimental-evidence-of-oxidative-stress-in-patients-with-l-2-hydroxyglutaric-aciduria-and-that-l-carnitine-attenuates-in-vitro-dna-damage-caused-by-d-2-hydroxyglutaric-and-l-2-hydroxyglutaric-acids
#12
Daiane Grigolo Bardemaker Rodrigues, Daniella de Moura Coelho, Ângela Sitta, Carlos Eduardo Diaz Jacques, Tatiane Hauschild, Vanusa Manfredini, Abdellatif Bakkali, Eduard A Struys, Cornelis Jakobs, Moacir Wajner, Carmen Regla Vargas
d-2-hydroxyglutaric (D-2-HGA) and l-2-hydroxyglutaric (L-2-HGA) acidurias are rare neurometabolic disorders biochemically characterized by increased levels of d-2-hydroxyglutaric acid (D-2-HG) and l-2-hydroxyglutaric acid (L-2-HG) respectively, in biological fluids and tissues. These diseases are caused by mutations in the specific enzymes involved in the metabolic pathways of these organic acids. In the present work, we first investigated whether D-2-HG and L-2-HGA could provoke DNA oxidative damage in blood leukocytes and whether l-carnitine (LC) could prevent the in vitro DNA damage induced by these organic acids...
April 7, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28393192/cyclosporine-a-attenuates-cardiac-dysfunction-induced-by-sepsis-via-inhibiting-calcineurin-and-activating-ampk-signaling
#13
Jingmiao Liu, Da Chen, Xiaowei Liu, Zhi Liu
The aim of the present study was to investigate whether cyclosporine A (CSA) improved cardiac dysfunction at an early stage of sepsis. Male Wistar rats were randomly divided into the following three groups: the sham‑operated control group, the cecal ligation puncture (CLP) procedure‑induced sepsis group and the CSA intervention group. Cecal ligation was performed to generate a sepsis model. At different time points (2, 6, 12, 24 and 72 h) following sepsis induction, blood pressure, cardiac function, and non‑esterified free fatty acid (NEFA) levels in the plasma and myocardia were measured, and the expression levels of components associated with the AMP‑activated protein kinase (AMPK)‑acetyl CoA carboxylase (ACC)‑carnitine palmitoyl transferase 1 (CPT1) signaling pathway were compared among the three groups...
March 31, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28392465/l-carnitine-preserves-cardiac-function-by-activating-p38-mapk-nrf2-signalling-in-hearts-exposed-to-irradiation
#14
Zhigang Fan, Yang Han, Yuanpeng Ye, Chao Liu, Hui Cai
Radiation-induced heart damage (RIHD) is now considered to be one of the causes of mortality in cancer patients undergoing radiotherapy. Cardiac function impairments are clinical manifestations of RIHD. L-carnitine shows protective effects against irradiation and heart disease. This study was aimed to investigate the cardioprotective effects and potential molecular mechanisms of L-carnitine against RIHD. Mouse hearts were exposed to γ-radiation to induce RIHD. L-carnitine at doses of 100mg/Kg and 200mg/Kg was used to treat animals intraperitoneally...
April 6, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28392417/pharmacological-inhibition-of-carnitine-palmitoyltransferase-1-restores-mitochondrial-oxidative-phosphorylation-in-human-trifunctional-protein-deficient-fibroblasts
#15
Bruno Lefort, Elodie Gouache, Cécile Acquaviva, Marine Tardieu, Jean François Benoist, Jean-François Dumas, Stéphane Servais, Stéphan Chevalier, Christine Vianey-Saban, François Labartheh
BACKGROUND: Mitochondrial Trifunctional Protein deficiency (TFPD) is a severe genetic disease characterized by altered energy metabolism and accumulation of long-chain (LC) acylcarnitines in blood and tissues. This accumulation could impair the mitochondrial oxidative phosphorylation (OxPhos), contributing to the non-optimal outcome despite conventional diet therapy with medium-chain triglycerides (MCT). METHOD: Acylcarnitine and OxPhos parameters were measured in TFPD-fibroblasts obtained from 8 children and cultured in medium mimicking fasting (LCFA) or conventional treatment (MCT), with or without Etomoxir (ETX) an inhibitor of carnitine palmitoyltransferase 1 (CPT1) activity, and were compared to results obtained with fibroblasts from 5 healthy-control children...
April 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28391633/comparisons-of-cardioprotective-efficacy-between-fibroblast-growth-factor-21-and-dipeptidyl-peptidase-4-inhibitor-in-pre-diabetic-rats
#16
Pongpan Tanajak, Piangkwan Sa-Nguanmoo, Nattayaporn Apaijai, Xiaojie Wang, Guang Liang, Xiaokun Li, Chao Jiang, Siriporn C Chattipakorn, Nipon Chattipakorn
AIMS: Comparative efficacy between fibroblast growth factor 21 (FGF21) and vildagliptin on metabolic regulation, cardiac mitochondrial function, heart rate variability (HRV) and left ventricular (LV) function is not known. We hypothesized that FGF21 and vildagliptin share a similar efficacy in improving these parameters in high-fat diet (HFD) induced obese-insulin resistant rats. METHODS: Twenty-four male Wistar rats were fed with either a normal diet (ND) or a HFD for 12 weeks...
April 9, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28390470/supplementation-of-culture-medium-with-l-carnitine-improves-the-development-and-cryotolerance-of-in-vitro-produced-porcine-embryos
#17
J L Lowe, L K Bartolac, R Bathgate, C G Grupen
Porcine oocytes and embryos contain substantial amounts of lipid, with little known regarding its metabolic role during development. This study investigated the role of lipid metabolism and the interaction between carbohydrate and lipid substrates in porcine embryos. Following in vitro fertilisation, presumptive zygotes were transferred to culture medium supplemented with L-carnitine, a co-factor required for the metabolism of fatty acids. In porcine zygote medium-3 (PZM-3), which contains pyruvate and lactate, 3mM L-carnitine was the only dose that improved cleavage rates compared with the control...
April 10, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/28387599/novel-insights-into-systemic-autoimmune-rheumatic-diseases-using-shared-molecular-signatures-and-an-integrative-analysis
#18
Marie Hudson, Sasha Bernatsky, Ines Colmegna, Maximilien Lora, Tomi Pastinen, Kathleen Klein Oros, Celia M T Greenwood
We undertook this study to identify DNA methylation signatures of three systemic autoimmune rheumatic diseases (SARDs), namely rheumatoid arthritis, systemic lupus erythematosus, and systemic sclerosis, compared to healthy controls. Using a careful design to minimize confounding, we restricted our study to subjects with incident disease and performed our analyses on purified CD4(+) T cells, key effector cells in SARD. We identified differentially methylated (using the Illumina Infinium HumanMethylation450 BeadChip array) and expressed (using the Illumina TruSeq stranded RNA-seq protocol) sites between cases and controls, and investigated the biological significance of this SARD signature using gene annotation databases...
April 7, 2017: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/28387447/withdrawn-interventions-for-fatigue-and-weight-loss-in-adults-with-advanced-progressive-illness
#19
REVIEW
Cathy Payne, Philip J Wiffen, Suzanne Martin
BACKGROUND: Fatigue and unintentional weight loss are two of the commonest symptoms experienced by people with advanced progressive illness. Appropriate interventions may bring considerable improvements in function and quality of life to seriously ill people and their families, reducing physical, psychological and spiritual distress. OBJECTIVES: To conduct an overview of the evidence available on the efficacy of interventions used in the management of fatigue and/or unintentional weight loss in adults with advanced progressive illness by reviewing the evidence contained within Cochrane reviews...
April 7, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28385800/an-exome-chip-association-analysis-in-chinese-reveals-a-functional-missense-variant-of-gckr-that-regulates-fgf21-levels
#20
Chloe Yy Cheung, Clara S Tang, Aimin Xu, Chi-Ho Lee, Ka-Wing Au, Lin Xu, Carol Hy Fong, Kelvin Hm Kwok, Wing-Sun Chow, Yu-Cho Woo, Michele Yuen, Stacey S Cherny, JoJo Hai, Bernard My Cheung, Kathryn Tan, Tai-Hing Lam, Hung-Fat Tse, Pak-Chung Sham, Karen Sl Lam
Fibroblast growth factor 21 (FGF21) is increasingly recognized as an important metabolic regulator of glucose homeostasis. Here, we conducted an exome-chip association analysis by genotyping 5169 Chinese individuals from a community-based cohort and two clinic-based cohorts. A custom Asian Exome-chip was used to detect genetic determinants influencing circulating FGF21 levels. Single-variant association analysis interrogating 70,444 single nucleotide polymorphisms identified a novel locus, GCKR, significantly associated with circulating FGF21 levels at genome-wide significance...
April 6, 2017: Diabetes
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