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Acetyl L-Carnitine

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https://www.readbyqxmd.com/read/28601299/possible-effects-of-some-agents-on-the-injured-nerve-in-obese-rats-a%C3%A2-stereological-and-electron-microscopic-study
#1
Mehmet Emin Onger, Süleyman Kaplan, Stefano Geuna, Aysin Pinar Türkmen, Luisa Muratori, Gamze Altun, Berrin Zuhal Altunkaynak
PURPOSE: The main aim of this study was to research new treatments following peripheral nerve injury involving melatonin (Mel), acetyl-l-carnitine (ALCAR), and leptin (Lep) using updated unbiased methods at the stereological and electron microscopic levels. MATERIALS AND METHODS: Wistar albino rats were randomly divided into nine equal groups; control (Cont), obese control (OG), obese group exposed to sciatic nerve resection (Gap) (OGG), obese group injected intraperitoneally (i...
May 11, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28583580/acetyl-l-carnitine-enhances-myelination-of-regenerated-fibers-of-the-lateral-olfactory-tract
#2
Nanae Fukushima, Kumiko Yokouchi, Masafumi Kuroiwa, Kyutaro Kawagishi, Tetsuji Moriizumi
It is well known that acetyl-l-carnitine (ALC) has various neuroprotective effects against neurodegenerative diseases. In addition, it has been reported that ALC facilitates myelination of regenerated axons after peripheral nerve injuries. We previously reported that spontaneous regeneration of the lateral olfactory tract (LOT), the main fiber tract of the central olfactory system, consistently occurred in newborn rats and a majority of these regenerated fibers were unmyelinated in neonatally LOT-transected young adult rats...
June 3, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28577987/alcar-promote-adult-hippocampal-neurogenesis-by-regulating-cell-survival-and-cell-death-related-signals-in-rat-model-of-parkinson-s-disease-like-phenotypes
#3
Sonu Singh, Akanksha Mishra, Sandeep Kumar Mishra, Shubha Shukla
Parkinson's disease (PD) is characterized by the degeneration of dopaminergic neurons in the nigrostriatal pathway that leading to progressive motor and nonmotor symptoms. The formation of newborn neurons in the adult hippocampus is affected by many factors such as anxiety, depression and impairment in learning and memory that are commonly observed nonmotor symptoms in PD, indicating the role of adult neurogenesis in PD pathophysiology. Acetyl-l-carnitine (ALCAR), regulate mitochondrial metabolism and has been reported to improve cognitive functions in different neurodegenerative disorders through an unknown mechanism...
May 31, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28573875/modulatory-effects-of-l-carnitine-plus-l-acetyl-carnitine-on-neuroendocrine-control-of-hypothalamic-functions-in-functional-hypothalamic-amenorrhea-fha
#4
Alessandro D Genazzani, Giulia Despini, Adam Czyzyk, Agnieszka Podfigurna, Tommaso Simoncini, Blazej Meczekalski
Functional hypothalamic amenorrhea (FHA) is a relatively frequent disease due to the combination of metabolic, physical, or psychological stressors. It is characterized by the low endogenous GnRH-induced gonadotropin secretion, thus triggering the ovarian blockade and a hypoestrogenic condition. Up to now various therapeutical strategies have been proposed, both using hormonal treatment as well as neuroactive compounds. Since carnitine, namely l-acetyl-carnitine (LAC), has been demonstrated to be effective in the modulation of the central hypothalamic control of GnRH secretion, we aimed to evaluate whether a combined integrative treatment for 12 weeks of LAC (250 mg/die) and l-carnitine (500 mg/die) was effective in improving the endocrine and metabolic pathways in a group of patients (n = 27) with FHA...
June 2, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28569378/cyclosporine-exacerbates-ketamine-toxicity-in-zebrafish-mechanistic-studies-on-drug-drug-interaction
#5
Bonnie L Robinson, Melanie Dumas, Syed F Ali, Merle G Paule, Qiang Gu, Jyotshna Kanungo
Cyclosporine A (CsA) is an immunosuppressive drug commonly used in organ transplant patients to prevent allograft rejections. Ketamine is a pediatric anesthetic that noncompetitively inhibits the calcium-permeable N-methyl-d-aspartic acid receptors. Adverse drug-drug interaction effects between ketamine and CsA have been reported in mammals and humans. However, the mechanism of such drug-drug interaction is unclear. We have previously reported adverse effects of combination drugs, such as verapamil/ketamine and shown the mechanism through intervention by other drugs in zebrafish embryos...
June 1, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28555486/topically-administered-acetyl-l-carnitine-increases-sciatic-nerve-regeneration-and-improves-functional-recovery-after-tubulization-of-transected-short-nerve-gaps
#6
Rahim Mohammadi, Keyvan Amini
BACKGROUND: Peripheral nerve injuries repair is still among the most challenging and concern-raising tasks in neurosurgery. The effect of an acetyl-L-carnitin-loaded silicone tube as an in-situ delivery system in defects bridging was studied using a rat sciatic nerve regeneration model. METHODS: A 10-mm sciatic nerve defect was bridged using a silicone tube (SIL/ALC) filled with 10 µL acetyl-L-carnitine (100 ng/mL). In the control group (SIL), the tube was filled with the same volume of the phosphate-buffered solution...
August 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28534301/effects-of-acetyl-l-carnitine-in-diabetic-neuropathy-and-other-geriatric-disorders
#7
REVIEW
G Sergi, S Pizzato, F Piovesan, C Trevisan, N Veronese, E Manzato
A long history of diabetes mellitus and increasing age are associated with the onset of diabetic neuropathy, a painful and highly disabling complication with a prevalence peaking at 50% among elderly diabetic patients. Acetyl-L-carnitine (ALC) is a molecule derived from the acetylation of carnitine in the mitochondria that has an essential role in energy production. It has recently been proposed as a therapy to improve the symptoms of diabetic neuropathy. ALC is widely distributed in mammalian tissues, including the brain, blood-brain barrier, brain neurons, and astrocytes...
May 22, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28508995/l-carnitine-and-acetyl-l-carnitine-roles-and-neuroprotection-in-developing-brain
#8
Gustavo C Ferreira, Mary C McKenna
L-Carnitine functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. Treatment with L-carnitine can ameliorate metabolic imbalances in many inborn errors of metabolism. In recent years there has been considerable interest in the therapeutic potential of L-carnitine and its acetylated derivative acetyl-L-carnitine (ALCAR) for neuroprotection in a number of disorders including hypoxia-ischemia, traumatic brain injury, Alzheimer's disease and in conditions leading to central or peripheral nervous system injury...
June 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28500970/histopathological-changes-and-lipid-metabolism-in-the-liver-of-bufo-gargarizans-tadpoles-exposed-to-triclosan
#9
Lihong Chai, Aixia Chen, Pingping Luo, Hongfeng Zhao, Hongyuan Wang
In the current study, the adverse effects of TCS on liver health of B. gargarizans tadpoles were assessed. B. gargarizans larvae were exposed to TCS at 0, 10, 30, 60, and 150 μg L(-1) from Gosner stage 3 until metamorphic climax. The hepatosomatic index (HSI), hepatic histological and ultrastructural features, and transcript levels of genes associated with detoxification and oxidative stress as well as lipid metabolism in the livers were determined. Exposure to 150 μg L(-1) TCS resulted in increased HSI of tadpoles at metamorphic climax...
May 7, 2017: Chemosphere
https://www.readbyqxmd.com/read/28445364/n-acetylcysteine-prevents-retrograde-motor-neuron-death-after-neonatal-peripheral-nerve-injury
#10
Joseph Catapano, Jennifer Zhang, David Scholl, Cameron Chiang, Tessa Gordon, Gregory H Borschel
BACKGROUND: Neuronal death may be an overlooked and unaddressed component of disability following neonatal nerve injuries, such as obstetric brachial plexus injury. N-acetylcysteine and acetyl-L-carnitine improve survival of neurons after adult nerve injury, but it is unknown whether they improve survival after neonatal injury, when neurons are most susceptible to retrograde neuronal death. The authors' objective was to examine whether N-acetylcysteine or acetyl-L-carnitine treatment improves survival of neonatal motor or sensory neurons in a rat model of neonatal nerve injury...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28436999/clinical-practice-guidelines-on-the-evidence-based-use-of-integrative-therapies-during-and-after-breast-cancer-treatment
#11
REVIEW
Heather Greenlee, Melissa J DuPont-Reyes, Lynda G Balneaves, Linda E Carlson, Misha R Cohen, Gary Deng, Jillian A Johnson, Matthew Mumber, Dugald Seely, Suzanna M Zick, Lindsay M Boyce, Debu Tripathy
Answer questions and earn CME/CNE Patients with breast cancer commonly use complementary and integrative therapies as supportive care during cancer treatment and to manage treatment-related side effects. However, evidence supporting the use of such therapies in the oncology setting is limited. This report provides updated clinical practice guidelines from the Society for Integrative Oncology on the use of integrative therapies for specific clinical indications during and after breast cancer treatment, including anxiety/stress, depression/mood disorders, fatigue, quality of life/physical functioning, chemotherapy-induced nausea and vomiting, lymphedema, chemotherapy-induced peripheral neuropathy, pain, and sleep disturbance...
May 6, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28380531/effect-of-abomasal-butyrate-infusion-on-gene-expression-in-the-duodenum-of-lambs
#12
A P Foote, C M Zarek, L A Kuehn, H C Cunningham, K M Cammack, H C Freetly, A K Lindholm-Perry
A previous study infusing butyrate into the abomasum of sheep produced increased oxygen, glucose, glutamate, and glutamine uptake by the portal-drained viscera. These changes were thought to be partially due to increases in glycolysis and cell proliferation. The purpose of this study was to evaluate the duodenum transcriptome of control and butyrate-treated lambs to determine whether genes involved in these pathways were altered. Polled Dorset lambs ( = 9) received a pulse dose of either butyrate (10 mg/kg BW) or an equal volume of a buffered saline solution (1 mL/kg BW) daily at the time of feeding...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28349514/l-carnitine-for-cognitive-enhancement-in-people-without-cognitive-impairment
#13
REVIEW
Ning Chen, Mi Yang, Muke Zhou, Jing Xiao, Jian Guo, Li He
BACKGROUND: Safe interventions to enhance cognitive function in cognitively healthy people would be very valuable for several reasons, including a better quality of life and professional success. While L-carnitine has been reported to enhance cognitive function in some conditions, its efficacy is disputed. The evidence of its efficacy for cognitively healthy people has not previously been systematically reviewed. OBJECTIVES: To assess the efficacy and safety of L-carnitine for the enhancement of cognitive function in people without cognitive impairment...
March 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28346814/nicotinamide-riboside-a-form-of-vitamin-b3-and-nad-precursor-relieves-the-nociceptive-and-aversive-dimensions-of-paclitaxel-induced-peripheral-neuropathy-in-female-rats
#14
Marta V Hamity, Stephanie R White, Roxanne Y Walder, Mark S Schmidt, Charles Brenner, Donna L Hammond
Injury to sensory afferents may contribute to the peripheral neuropathies that develop after administration of chemotherapeutic agents. Manipulations that increase levels of nicotinamide adenine dinucleotide (NAD) can protect against neuronal injury. This study examined whether nicotinamide riboside (NR), a third form of vitamin B3 and precursor of NAD, diminishes tactile hypersensitivity and place escape-avoidance behaviors in a rodent model of paclitaxel-induced peripheral neuropathy. Female Sprague-Dawley rats received 3 intravenous injections of 6...
May 2017: Pain
https://www.readbyqxmd.com/read/28345160/increasing-skeletal-muscle-carnitine-availability-does-not-alter-the-adaptations-to-high-intensity-interval-training
#15
Christopher E Shannon, Reza Ghasemi, Paul L Greenhaff, Francis B Stephens
Increasing skeletal muscle carnitine availability alters muscle metabolism during steady-state exercise in healthy humans. We investigated whether elevating muscle carnitine, and thereby the acetyl-group buffering capacity, altered the metabolic and physiological adaptations to 24 weeks of high-intensity interval training (HIIT) at 100% maximal exercise capacity (Wattmax ). Twenty-one healthy male volunteers (age 23±2 years; BMI 24.2±1.1 kg/m(2) ) performed 2 × 3 minute bouts of cycling exercise at 100% Wattmax , separated by 5 minutes of rest...
March 27, 2017: Scandinavian Journal of Medicine & Science in Sports
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
#16
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
#17
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
#18
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
#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...
May 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
#20
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
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