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L-carnitine

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https://www.readbyqxmd.com/read/28332552/corrigendum-systemic-regulation-of-l-carnitine-in-nutritional-metabolism-in-zebrafish-danio-rerio
#1
Jia-Min Li, Ling-Yu Li, Xuan Qin, Li-Jun Ning, Dong-Liang Lu, Dong-Liang Li, Mei-Ling Zhang, Xin Wang, Zhen-Yu Du
No abstract text is available yet for this article.
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317735/l-carnitine-ameliorates-the-oxidative-stress-response-to-angiotensin-ii-by-modulating-nadph-oxidase-through-a-reduction-in-protein-kinase-c-activity-and-nf-%C3%AE%C2%BAb-translocation-to-the-nucleus
#2
Antonio J Blanca, María V Ruiz-Armenta, Sonia Zambrano, José L Miguel-Carrasco, Francisco M González-Roncero, Ana Fortuño, Elisa Revilla, Alfonso Mate, Carmen M Vázquez
l-Carnitine (LC) exerts beneficial effects in arterial hypertension due, in part, to its antioxidant capacity. We investigated the signalling pathways involved in the effect of LC on angiotensin II (Ang II)-induced NADPH oxidase activation in NRK-52E cells. Ang II increased the generation of superoxide anion from NADPH oxidase, as well as the amount of hydrogen peroxide and nitrotyrosine. Co-incubation with LC managed to prevent these alterations and also reverted the changes in NADPH oxidase expression triggered by Ang II...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28315160/modulatory-role-of-l-carnitine-against-microcystin-lr-induced-immunotoxicity-and-oxidative-stress-in-common-carp
#3
Xiu-Mei Chen, Gui-Liang Guo, Li Sun, Qiu-Shi Yang, Gui-Qin Wang, Dong-Ming Zhang
Microcystin-LR (MCLR), one of the most popular microcystins (MCs) found in many field water bodies around the world, poses great health risks to animals and humans. In the present study, healthy common carp (initial weight 24.8 ± 2.3 g) were randomly assigned to five groups. Group I was fed on normal diet as control. Group II was maintained on normal diet and received MCLR intraperitoneal injection (150 μg kg(-1) BW). Common carp in groups III, IV, and V were daily pretreated with L-carnitine (LC) at doses of 0...
March 17, 2017: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28314909/localization-of-dynamin-related-protein-1-and-its-potential-role-in-lamellipodia-formation
#4
Youhwa Jo, Hyo Min Cho, Woong Sun, Jae Ryun Ryu
Dynamin-related protein1 (Drp1) plays an essential role in mitochondrial fission: Cytosolic Drp1 is translocated to the mitochondria upon stimulus, and oligomerized Drp1 constricts mitochondria by aid of actin filaments. Drp1 completes the fission process with GTP hydrolysis by its own GTPase activity. The importance of actin filament and its interaction with Drp1 in the mitochondrial fission process have been demonstrated. In this study, we found that Drp1 is enriched in the actin-rich leading edge of lamellipodia of mouse embryonic fibroblasts (MEFs) wherein mitochondria or peroxisomes are absent...
March 17, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28302936/cryotolerance-of-porcine-blastocysts-is-improved-by-treating-in-vitro-matured-oocytes-with-l-carnitine-prior-to-fertilization
#5
Jenna L Lowe, Louise K Bartolac, Roslyn Bathgate, Christopher G Grupen
Sufficient generation of adenosine triphosphate (ATP) by oocytes is critical for fertilization and embryo development. The objective of this study was to determine the effects of supplementing media with L-carnitine, a co-factor required for the metabolism of fatty acids, during the peri-fertilization period on embryo development and energy generation. Firstly, in vitro fertilization (IVM) porcine oocytes were co-incubated with sperm in IVF medium supplemented with 0‒24 mM L-carnitine. The blastocyst formation rate of the control group was greater than those of the L-carnitine groups (P < 0...
March 16, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/28298333/multiple-ampk-activators-inhibit-l-carnitine-uptake-in-c2c12-skeletal-muscle-myotubes
#6
Andy Shaw, Stewart Jeromson, Kenneth R Watterson, John D Pediani, Iain Gallagher, Tim Whalley, Gillian Dreczkowski, Naomi Brooks, Stuart Galloway, D Lee Hamilton
Mutations in the gene that encodes the principal L-Carnitine transporter, OCTN2, can lead to a reduced intracellular L-Carnitine pool and the disease Primary Carnitine Deficiency. L-Carnitine supplementation is used therapeutically to increase intracellular L-Carnitine. As AMPK and insulin regulate fat metabolism and substrate uptake we hypothesised that AMPK activating compounds and insulin would increase L-Carnitine uptake in C2C12 myotubes. The cells express all three OCTN transporters at the mRNA level and immunohistochemistry confirmed expression at the protein level...
March 15, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28295041/exome-sequencing-identifies-primary-carnitine-deficiency-in-a-family-with-cardiomyopathy-and-sudden-death
#7
Najim Lahrouchi, Elisabeth M Lodder, Maria Mansouri, Rafik Tadros, Layla Zniber, Najlae Adadi, Sally-Ann B Clur, Karin Y van Spaendonck-Zwarts, Alex V Postma, Abdelaziz Sefiani, Ilham Ratbi, Connie R Bezzina
Pediatric cardiomyopathy is a rare but severe disease with high morbidity and mortality. The causes are poorly understood and can only be established in one-third of cases. Recent advances in genetic technologies, specifically next-generation sequencing, now allow for the detection of genetic causes of cardiomyopathy in a systematic and unbiased manner. This is particularly important given the large clinical variability among pediatric cardiomyopathy patients and the large number of genes (>100) implicated in the disorder...
March 15, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28293407/thrombocytopenia-in-patients-with-chronic-hepatitis-c-virus-infection
#8
REVIEW
Sumit Dahal, Smrity Upadhyay, Rashmi Banjade, Prajwal Dhakal, Nabin Khanal, Vijaya Raj Bhatt
Thrombocytopenia in patients with chronic hepatitis C virus (HCV) infection is a major problem. The pathophysiology is multifactorial, with auto-immunogenicity, direct bone marrow suppression, hypersplenism, decreased production of thrombopoietin and therapeutic adverse effect all contributing to thrombocytopenia in different measures. The greatest challenge in the care of chronic HCV patients with thrombocytopenia is the difficulty in initiating or maintaining IFN containing anti-viral therapy. Although at present, it is possible to avoid this challenge with the use of the sole Direct Antiviral Agents (DAAs) as the primary treatment modality, thrombocytopenia remains of particular interest, especially in cases of advanced liver disease...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28290868/-is-it-possible-to-improve-results-in-the-conservative-treatment-strategy-in-patients-with-acute-coronary-syndrome
#9
M G Gleser, E I Astashkin, A E Kiseleva
Almost 60% of patients with acute coronary syndrome (ACS) without ST segment elevation are not subjected to revascularization procedures. This review analyzes the reasons for the choice of the conservative tactics of patients with ACS. The possibilities of improving outcomes by using modern medicines. Particular attention is given to drugs that affect energy metabolism in cardiomyocytes ischemia and reperfusion, provides data on the effect of L-carnitine on the high-risk markers, and decrease the incidence of adverse outcomes in patients with ACS...
September 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289521/l-carnitine-protects-c2c12-cells-against-mitochondrial-superoxide-overproduction-and-cell-death
#10
Françoise Le Borgne, Gaétan Ravaut, Arnaud Bernard, Jean Demarquoy
AIM: To identify and characterize the protective effect that L-carnitine exerted against an oxidative stress in C2C12 cells. METHODS: Myoblastic C2C12 cells were treated with menadione, a vitamin K analog that engenders oxidative stress, and the protective effect of L-carnitine (a nutrient involved in fatty acid metabolism and the control of the oxidative process), was assessed by monitoring various parameters related to the oxidative stress, autophagy and cell death...
February 26, 2017: World Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28281424/a-review-of-patients-with-glutaric-aciduria-type-1-at-inkosi-albert-luthuli-central-hospital-durban-south-africa
#11
R Govender, A Mitha, L Mubaiwa
Glutaric aciduria type 1 (GA1) is an organic acidaemia. The objective of this study was to describe the profile of patients diagnosed with GA1 at Inkosi Albert Luthuli Central Hospital, Durban, South Africa from 2007 to 2015. We identified 6 children (4 girls, 2 boys) in a retrospective review. The mean age at diagnosis was 12 months. Clinical findings on presentation were encephalopathic crises (n=4), hypotonia (n=4) and macrocephaly (n=5). Other complications included seizures (n=4), dystonia (n=3) and bulbar dysfunction (n=4)...
February 27, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28262196/serum-chemerin-in-obese-children-and-adolescents-before-and-after-l-carnitine-therapy-relation-to-nonalcoholic-fatty-liver-disease-and-other-features-of-metabolic-syndrome
#12
Rasha T Hamza, Zeinab A Elkabbany, Ahmed M Shedid, Amira I Hamed, Asmaa O Ebrahim
BACKGROUND AND AIMS: Chemerin plays an important role in metabolic syndrome (MetS) including nonalcoholic fatty liver disease (NAFLD). L-carnitine (LC) may reduce plasma glucose, lipid profile, and improve liver function. The aim of the study was to assess serum chemerin in obese children with suspected NAFLD, the effect of LC on NAFLD grade, chemerin and metabolic profile. METHODS: Fifty obese children were compared to 50 controls. All were subjected to anthropometric assessment, liver function, fasting lipid profile, glucose/insulin (G/I) ratio, homeostasis model assessment (HOMA) index, serum chemerin and abdominal ultrasonography before and after LC...
October 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28262191/protective-effect-of-acetyl-l-carnitine-against-doxorubicin-induced-cardiotoxicity-in-wistar-albino-rats
#13
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/28243546/l-carnitine-improves-gastrointestinal-disorders-and-altered-the-intestinal-microbiota-in-hemodialysis-patients
#14
Junichiro Irie, Yoshihiko Kanno, Rieko Kikuchi, Tadashi Yoshida, Seizo Murai, Miwako Watanabe, Hiroshi Itoh, Matsuhiko Hayashi
Patients receiving hemodialysis also manifest gastrointestinal symptoms, such as constipation, caused by restriction of water intake and the loss of body water balance. Because dietary carnitine deficiency is considered to cause smooth muscle dysmotility of the gastrointestinal tract similarly to that in skeletal muscles, carnitine deficiency in hemodialysis patients may be one cause of gastrointestinal discomfort and dysfunctions. We performed a multicenter nonrandomized single-arm prospective clinical trial...
2017: Bioscience of Microbiota, Food and Health
https://www.readbyqxmd.com/read/28243190/maternal-l-carnitine-supplementation-improves-brain-health-in-offspring-from-cigarette-smoke-exposed-mothers
#15
Yik Lung Chan, Sonia Saad, Ibrahim Al-Odat, Brian G Oliver, Carol Pollock, Nicole M Jones, Hui Chen
Maternal cigarette smoke exposure (SE) causes detrimental changes associated with the development of chronic neurological diseases in the offspring as a result of oxidative mitochondrial damage. Maternal L-Carnitine administration has been shown to reduce renal oxidative stress in SE offspring, but its effect in the brain is unknown. Here, we investigated the effects of maternal L-Carnitine supplementation on brain markers of oxidative stress, autophagy, mitophagy and mitochondrial energy producing oxidative phosphorylation (OXPHOS) complexes in SE offspring...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28230818/post-chornobyl-remote-radiation-effects-on-human-sperm-and-seminal-plasma-characteristics
#16
S V Andreychenko, A V Klepko, L V Gorban, O A Motryna, L V Grubska, O V Trofimenko
AIM: The research was aimed on analysis of the remote consequences of Chornobyl accident on the reproductive function of men adult residing in Ukraine. MATERIALS AND METHODS: 232 male volunteers with mean age of 34 years (range 20-47) from 5 different regions of Ukraine (Zhytomyr, Ivano-Frankivsk, Kyiv, Poltava, and Kyiv city) were enrolled in cross-sectional studies of long term radiation effects on seminal plasma and sperm. All manipulations, analysis and classification of ejaculates were done accordingly to WHO recommendations...
December 2016: Experimental Oncology
https://www.readbyqxmd.com/read/28226317/neuroprotective-effects-of-acetyl-l-carnitine-on-neonatal-hypoxia-ischemia-induced-brain-injury-in-rats
#17
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/28220319/cfd-assessment-of-the-effect-of-convective-mass-transport-on-the-intracellular-clearance-of-intracellular-triglycerides-in-macrosteatotic-hepatocytes
#18
Gabriel Yarmush, Lucas Santos, Joshua Yarmush, Srivathsan Koundinyan, Mubasher Saleem, Nir I Nativ, Martin L Yarmush, Francois Berthiaume, Timothy J Maguire, Chris Guaghan
Donor livers available to transplant for patients with end-stage liver disease are in severe shortage. One possible avenue to expand the donor pool is to recondition livers that would be otherwise discarded due to excessive fat content. Severely steatotic livers (also known as fatty livers) are highly susceptible to ischemia-reperfusion injury and as a result, primary liver non-function post-transplantation. Prior studies in isolated perfused rat livers suggest that "defatting" may be possible in a timeframe of a few hours; thus, it is conceivable that fatty liver grafts could be recovered by machine perfusion to clear stored fat from the organ prior to transplantation...
February 20, 2017: Biomechanics and Modeling in Mechanobiology
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
#19
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/28197778/evaluating-effects-of-l-carnitine-on-human-bone-marrow-derived-mesenchymal-stem-cells
#20
Koichi Fujisawa, Taro Takami, Yumi Fukui, Luiz Fernando Quintanilha, Toshihiko Matsumoto, Naoki Yamamoto, Isao Sakaida
Mesenchymal stem cells (MSCs) are multipotent cells showing potential for use in regenerative medicine. Culture techniques that are more stable and methods for the more efficient production of MSCs with therapeutic efficacy are needed. We evaluate the effects of growing bone marrow (Bm)-derived MSCs in the presence of L-carnitine, which is believed to promote lipid metabolism and to suppress apoptosis. The presence of L-carnitine decreased the degree of drug-induced apoptosis and suppressed adipogenic differentiation...
February 14, 2017: Cell and Tissue Research
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