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acetyl l carnitine

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https://www.readbyqxmd.com/read/28266085/branched-chain-amino-acid-ratios-in-low-protein-diets-regulate-the-free-amino-acid-profile-and-the-expression-of-hepatic-fatty-acid-metabolism-related-genes-in-growing-pigs
#1
Y H Duan, F N Li, C Y Wen, W L Wang, Q P Guo, Y H Li, Y L Yin
Liver metabolism is affected by nutrients. The aim of this study was to explore the effects of low-protein diets (17% crude protein, CP) supplemented with branched-chain amino acids (BCAAs), including leucine (Leu), isoleucine (Ile) and valine (Val), on hepatic amino acid profile and lipid metabolism in growing pigs. The ratio of Leu : Ile : Val in all groups was 1 : 0.51 : 0.63 (20% crude protein, CP), 1 : 1 : 1 (17% CP), 1 : 0.75 : 0.75 (17% CP), 1 : 0.51 : 0.63 (17% CP) and 1 : 0.25 : 0...
March 6, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28262191/protective-effect-of-acetyl-l-carnitine-against-doxorubicin-induced-cardiotoxicity-in-wistar-albino-rats
#2
Hatice Adiguzel Dundar, Muge Kiray, Mustafa Kir, Efsun Kolatan, Alper Bagriyanik, Zekiye Altun, Safiye Aktas, Hulya Ellidokuz, Osman Yilmaz, Kamer Mutafoglu, Nur Olgun
BACKGROUND AND AIMS: Anthracyclines are one of the most preferred agents in practical pediatric oncology despite their dose-dependent cardiotoxic effects. The aim of this study was to investigate whether or not acetyl-L-carnitine (ALCAR) has protective effects on doxorubicin (DOX)-induced cardiotoxicity. METHODS: Wistar rats were divided into four groups; control, DOX, ALCAR and ALCAR+DOX. Rats in the first group were given saline on study days, whereas those in the second group were given a single dose of DOX on the 5(th) day and saline on the other days...
October 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28226317/neuroprotective-effects-of-acetyl-l-carnitine-on-neonatal-hypoxia-ischemia-induced-brain-injury-in-rats
#3
Shiyu Tang, Su Xu, Xin Lu, Rao P Gullapalli, Mary C McKenna, Jaylyn Waddell
Perinatal hypoxia ischemia (HI) is a significant cause of brain injury in surviving infants. Although hypothermia improves outcomes in some infants, additional therapies are needed since about 40% of infants still have a poor outcome. Acetyl-L-carnitine (ALCAR), an acetylated derivative of L-carnitine, protected against early changes in brain metabolites and mitochondrial function after HI on postnatal day (PND) 7 in a rat pup model of near-term HI injury. However, its efficacy in long-term structural and functional outcomes remains unexplored...
2016: Developmental Neuroscience
https://www.readbyqxmd.com/read/28199883/acetyl-l-carnitine-protects-dopaminergic-nigrostriatal-pathway-in-6-hydroxydopamine-induced-model-of-parkinson-s-disease-in-the-rat
#4
Siamak Afshin-Majd, Keyhan Bashiri, Zahra Kiasalari, Tourandokht Baluchnejadmojarad, Reza Sedaghat, Mehrdad Roghani
Parkinson's disease (PD) is a movement disorder and the second most common neurodegenerative disease worldwide in which nigrostriatal dopaminergic neurons within substantia nigra pars compacta (SNC) are lost, with clinical motor and non-motor symptoms including bradykinesia, resting tremor, rigidity, stooping posture and cognitive deficits. This study was undertaken to evaluate the neuroprotective potential of acetyl-l-carnitine (ALC) against unilateral striatal 6-hydroxydopamine (6-OHDA)-induced model of PD and to explore some involved mechanisms...
February 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28180063/carnitine-acetyltransferase-crat-expression-in-macrophages-is-dispensable-for-nutrient-stress-sensing-and-inflammation
#5
Emily L Goldberg, Vishwa Deep Dixit
OBJECTIVE: Fatty acid oxidation in macrophages is thought to regulate inflammatory status and insulin-sensitivity. An important unanswered question in this field is whether carnitine acetyl-transferase (CrAT) that regulates fatty acid oxidation and mitochondrial acetyl-CoA balance is required to integrate nutrient stress sensing to inflammatory response in macrophages. METHODS: Mice with myeloid lineage-specific Crat deletion were subjected to several metabolic stressors, including high-fat diet-induced obesity, fasting, and LPS-induced endotoxemia...
February 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28163216/possible-promoting-effects-of-melatonin-leptin-and-alcar-on-regeneration-of-the-sciatic-nerve
#6
Mehmet Emin Onger, Suleyman Kaplan, Ömür Gülsüm Deniz, Gamze Altun, Berrin Zuhal Altunkaynak, Kemal Balcı, Stefania Raimondo, Stefano Geuna
Peripheral nerve injury is a widespread and disabling condition that can impair the individual's daily life. Studies involving medications that may positively affect peripheral nerve regeneration are rare. The aim of this study was to investigate new treatments after peripheral nerve injury using various neuroprotectants, melatonin, alcar and leptin, in the regenerative process in an experimental rat model. Wistar albino rats were randomly divided into eight groups containing equal number of animals. Intraperitoneal injection of melatonin (50mg/kg, for 21days), leptin (1mg/kg, for 21days) and acetyl-l-carnitine (50mg/kg, for six weeks) was performed postoperatively...
February 3, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28115274/toxicity-of-the-amphetamine-metabolites-4-hydroxyamphetamine-and-4-hydroxynorephedrine-in-human-dopaminergic-differentiated-sh-sy5y-cells
#7
R Feio-Azevedo, V M Costa, L M Ferreira, P S Branco, F C Pereira, M L Bastos, F Carvalho, J P Capela
Amphetamine (AMPH) is a psychostimulant used worldwide by millions of patients in the clinical treatment of attention deficit hyperactivity disorder, narcolepsy or even obesity, and is also a drug of abuse. 4-Hydroxynorephedrine (4-OHNE) and 4-hydroxyamphetamine (4-OHAMPH) are two major metabolites known to persist in the brain longer than AMPH. The contribution of AMPH metabolites for its neurotoxicity is undetermined. We evaluated the toxicity of AMPH and its metabolites 4-OHNE and 4-OHAMPH, obtained by chemical synthesis, in human dopaminergic differentiated SH-SY5Y neurons...
March 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28105133/a-prospective-study-to-evaluate-the-efficacy-and-safety-of-oral-acetyl-l-carnitine-for-the-treatment-of-chemotherapy-induced-peripheral-neuropathy
#8
Yuanjue Sun, Yongqian Shu, Baorui Liu, Ping Liu, Changping Wu, Rongsheng Zheng, Xiaohua Zhang, Zhixiang Zhuang, Yongchuan Deng, Leizhen Zheng, Qing Xu, Bin Jiang, Xuenong Ouyang, Jianfei Gao, Nong Xu, Xiaoyi Li, Su Jiang, Chaofan Liang, Yang Yao
The present study aimed to evaluate the efficacy and safety of acetyl-L-carnitine (ALC) for the treatment of chemotherapy-induced peripheral neuropathy (CIPN). The study was carried out as a prospective, randomized, double-blind, placebo-controlled and paralleled clinical study. A total of 239 patients with CIPN were selected as the study subjects. Of the 239 subjects, 118 subjects received 3 g/day ALC orally for 8 weeks and 121 received a placebo. The primary endpoint was improvement of peripheral neuropathy by at least one grade...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28101459/venlafaxine-induced-cytotoxicity-towards-isolated-rat-hepatocytes-involves-oxidative-stress-and-mitochondrial-lysosomal-dysfunction
#9
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/27998490/impact-of-storage-conditions-on-the-urinary-metabolomics-fingerprint
#10
Jérôme Laparre, Zied Kaabia, Mark Mooney, Tom Buckley, Mark Sherry, Bruno Le Bizec, Gaud Dervilly-Pinel
Urine stability during storage is essential in metabolomics to avoid misleading conclusions or erroneous interpretations. Facing the lack of comprehensive studies on urine metabolome stability, the present work performed a follow-up of potential modifications in urinary chemical profile using LC-HRMS on the basis of two parameters: the storage temperature (+4 °C, -20 °C, -80 °C and freeze-dried stored at -80 °C) and the storage duration (5-144 days). Both HILIC and RP chromatographies have been implemented in order to globally monitor the urinary metabolome...
January 25, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27975173/acetyl-l-carnitine-via-upegulating-dopamine-d1-receptor-and-attenuating-microglial-activation-prevents-neuronal-loss-and-improves-memory-functions-in-parkinsonian-rats
#11
Sonu Singh, Akanksha Mishra, Neha Srivastava, Rakesh Shukla, Shubha Shukla
Parkinson's disease is accompanied by nonmotor symptoms including cognitive impairment, which precede the onset of motor symptoms in patients and are regulated by dopamine (DA) receptors and the mesocorticolimbic pathway. The relative contribution of DA receptors and astrocytic glutamate transporter (GLT-1) in cognitive functions is largely unexplored. Similarly, whether microglia-derived increased immune response affects cognitive functions and neuronal survival is not yet understood. We have investigated the effect of acetyl-L-carnitine (ALCAR) on cognitive functions and its possible underlying mechanism of action in 6-hydroxydopamine (6-OHDA)-induced hemiparkinsonian rats...
December 14, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27941940/kefir-peptides-prevent-high-fructose-corn-syrup-induced-non-alcoholic-fatty-liver-disease-in-a-murine-model-by-modulation-of-inflammation-and-the-jak2-signaling-pathway
#12
H L Chen, T C Tsai, Y C Tsai, J W Liao, C C Yen, C M Chen
OBJECTIVE: In recent years, people have changed their eating habits, and high-fructose-containing bubble tea has become very popular. High-fructose intake has been suggested to be a key factor that induces non-alcoholic fatty liver disease (NAFLD). Kefir, a fermented milk product composed of microbial symbionts, has demonstrated numerous biological activities, including antibacterial, antioxidant and immunostimulating effects. The present study aims to evaluate the effects of kefir peptides on high-fructose-induced hepatic steatosis and the possible molecular mechanism...
December 12, 2016: Nutrition & Diabetes
https://www.readbyqxmd.com/read/27869661/an-exploratory-investigation-of-endotoxin-levels-in-novice-long-distance-triathletes-and-the-effects-of-a-multi-strain-probiotic-prebiotic-antioxidant-intervention
#13
Justin D Roberts, Craig A Suckling, Georgia Y Peedle, Joseph A Murphy, Tony G Dawkins, Michael G Roberts
Gastrointestinal (GI) ischemia during exercise is associated with luminal permeability and increased systemic lipopolysaccharides (LPS). This study aimed to assess the impact of a multistrain pro/prebiotic/antioxidant intervention on endotoxin unit levels and GI permeability in recreational athletes. Thirty healthy participants (25 males, 5 females) were randomly assigned either a multistrain pro/prebiotic/antioxidant (LAB⁴ANTI; 30 billion CFU·day(-1) containing 10 billion CFU·day(-1)Lactobacillus acidophilus CUL-60 (NCIMB 30157), 10 billion CFU·day(-1)Lactobacillus acidophillus CUL-21 (NCIMB 30156), 9...
November 17, 2016: Nutrients
https://www.readbyqxmd.com/read/27786574/examining-the-protective-effects-of-acetyl-l-carnitine-on-cisplatin-induced-uterine-tube-toxicity
#14
Gulistan Sanem Saribas, Deniz Erdogan, Guleser Goktas, Seda Nur Akyol, Ibrahim Murat Hirfanoglu, Seren Gulsen Gurgen, Neslihan Coskun, Candan Ozogul
The aim of this study was to investigate the effects of cisplatin and the protective role of acetyl l-carnitine against uterine tube toxicity. Twenty-four female Wistar albino rats were divided into four groups: control group was injected with saline (control); group 2 was injected with acetyl l-carnitine; group 3 was injected with cisplatin; and group 4 was pre-treated with acetyl l-carnitine before cisplatin intraperitoneal injection. According to our results, a significant weight loss was observed in rats from group 3...
November 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27771504/changes-in-the-levels-of-l-carnitine-acetyl-l-carnitine-and-propionyl-l-carnitine-are-involved-in-perfluorooctanoic-acid-induced-developmental-cardiotoxicity-in-chicken-embryo
#15
Qixiao Jiang, Chunbo Wang, Chan Xue, Lingfang Xue, Meiting Wang, Changhao Li, Ziwen Deng, Qian Wang
Perfluorooctanoic acid (PFOA), a persistent organic pollutant, is associated with developmental toxicity. This study investigated the mechanism of PFOA-induced developmental cardiotoxicity in chicken embryo, focusing on the interactions between developmental exposure to PFOA and the levels of l-carnitine (LC), acetyl-l-carnitine (ALC) and propionyl-l-carnitine (PLC) in the heart. To evaluate the developmental cardiotoxicity, fertile chicken eggs were exposed to 0.1, 0.5, 1, 2 or 5mg/kg PFOA via air cell injection...
December 2016: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/27713999/an-lc-ms-based-untargeted-metabolomics-study-identified-novel-biomarkers-for-coronary-heart-disease
#16
Ruijun Li, Fengyu Li, Qiang Feng, Zhipeng Liu, Zhuye Jie, Bo Wen, Xun Xu, Shilong Zhong, Guanglei Li, Kunlun He
This study performed untargeted metabolomics for plasma samples from 40 coronary heart disease patients and 43 healthy controls by high-performance liquid chromatography coupled with mass spectrometry technology to find a set of effective biomarkers for CHD diagnosis and prognosis. The discriminating metabolites were extracted and analyzed by univariate and multivariate analysis methods. We found five metabolites (1-naphthol, 2-naphthol, methylitaconate, N-acetyl-d-glucosamine 6-phosphate and l-carnitine) contributing to the separation of CHD patients from healthy controls, and a subset of two metabolites in these five were identified as potential plasma biomarkers for CHD diagnosis...
October 18, 2016: Molecular BioSystems
https://www.readbyqxmd.com/read/27683241/sex-dependent-alterations-in-mitochondrial-electron-transport-chain-proteins-following-neonatal-rat-cerebral-hypoxic-ischemia
#17
T G Demarest, R A Schuh, E L Waite, J Waddell, M C McKenna, Gary Fiskum
Males are more susceptible to brain mitochondrial bioenergetic dysfunction following neonatal cerebral hypoxic-ischemia (HI) than females. Mitochondrial biogenesis has been implicated in the cellular response to HI injury, but sex differences in biogenesis following HI have not been described. We tested the hypothesis that mitochondrial biogenesis or the expression of mitochondrial electron transport chain (ETC) proteins are differentially stimulated in the brains of 8 day old male and female rats one day following HI, and promoted by treatment with acetyl-L-carnitine (ALCAR)...
December 2016: Journal of Bioenergetics and Biomembranes
https://www.readbyqxmd.com/read/27667153/indoleamine-2-3-dioxygenase-by-degrading-l-tryptophan-enhances-carnitine-palmitoyltransferase%C3%A2-i-activity-and-fatty-acid-oxidation-and-exerts-fatty-acid-dependent-effects-in-human-alloreactive-cd4-t-cells
#18
Theodoros Eleftheriadis, Georgios Pissas, Maria Sounidaki, Konstantina Tsogka, Nikolaos Antoniadis, Georgia Antoniadi, Vassilios Liakopoulos, Ioannis Stefanidis
Indoleamine 2,3-dioxygenase (IDO) is expressed in antigen-presenting cells and by degrading L-tryptophan along the kynurenine pathway suppresses CD4+ T-cell proliferation, induces apoptosis and promotes differentiation towards a regulatory as opposed to an effector phenotype. Recent findings revealed that the above effects may be mediated through alterations in T-cell metabolism. In this study, the effect of IDO on fatty acid β-oxidation in CD4+ T-cells was evaluated in human mixed lymphocyte reactions (MLRs) using the IDO inhibitor, 1-DL-methyl-tryptophan...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27621429/reply-to-arduini-et-al-acetyl-l-carnitine-and-the-brain-epigenetics-energetics-and-stress
#19
Benedetta Bigio, Carla Nasca, Bruce S McEwen
No abstract text is available yet for this article.
September 27, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27606940/acetyl-l-carnitine-undervalued-in-the-treatment-of-chemotherapy-induced-peripheral-neuropathy
#20
Davy G H A van Dam, Antoinetta J M Beijers, Gerard Vreugdenhil
No abstract text is available yet for this article.
December 2016: Acta Oncologica
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