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Alpha-lipoic-acid

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https://www.readbyqxmd.com/read/28177698/influence-of-alpha-lipoic-acid-on-nicotine-induced-lung-and-liver-damage-in-experimental-rats
#1
Hayam Ateyya, Manar Nader, Ghalia Attia, Nagla Ahmad El-Sherbeeny
Nicotine mediates some of the injurious effects caused by consuming tobacco products. This work aimed at investigating the defensive role of alpha-lipoic acid (ALA) with its known antioxidant and anti-inflammatory effect in nicotine -induced lung and liver damage. Rats were arranged into four groups, a control, nicotine, ALA group and ALA-nicotine groups. Oxidative stress and antioxidant status were determined by assessing thiobarbituric acid reactive substances (TBARs), superoxide dismutase (SOD) and glutathione (GSH) levels in lung and liver...
October 12, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28133612/tang-luo-ning-improves-mitochondrial-antioxidase-activity-in-dorsal-root-ganglia-of-diabetic-rats-a-proteomics-study
#2
Taojing Zhang, Yanbin Gao, Yanbin Gong, Hui Zhou, Peifeng Xie, Song Guan, Wenming Yi
Tang-luo-ning (TLN) is a traditional Chinese herbal recipe for treating diabetic peripheral neuropathy (DPN). In this study, we investigated mitochondrial protein profiles in a diabetic rat model and explored the potential protective effect of TLN. Diabetic rats were established by injection of streptozocin (STZ) and divided into model, alpha lipoic acid (ALA), and TLN groups. Mitochondrial proteins were isolated from dorsal root ganglia and proteomic analysis was used to quantify the differentially expressed proteins...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28132911/effect-of-alpha-lipoic-acid-on-leukotriene-a4-hydrolase
#3
María José Torres, Angélica Fierro, C David Pessoa-Mahana, Javier Romero-Parra, Gonzalo Cabrera, Mario Faúndez
Leukotriene A4 hydrolase is a soluble enzyme with epoxide hydrolase and aminopeptidase activities catalysing the conversion of leukotriene A4 to leukotriene B4 and the hydrolysis of the peptide proline-glycine-proline. Imbalances in leukotriene B4 synthesis are related to several pathologic conditions. Currently there are no available drugs capable to modulate the synthesis of leukotriene B4 or to block its receptors. Here we show the inhibitory profile of alpha lipoic acid on the activity of leukotriene A4 Hydrolase...
January 26, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28074465/effects-of-alpha-lipoic-acid-on-ischemia-reperfusion-injury-in-rat-hindlimb-ischemia-model
#4
Arif Aydın, Alpagan Mustafa Yıldırım
BACKGROUND: This study was performed to evaluate the effect of alpha lipoic acid (ALA) on prevention of ischemia-reperfusion (IR) injury in rat hindlimb ischemia model. METHODS: Forty male Sprague Dawley rats weighing between 250 and 300 g were divided into 4 groups of 10 rats. Hindlimb composite island flaps were raised in all rats. Clamps were applied to femoral vessels of all subjects, but immediately released without causing ischemia in Group 1. In Group 2, after 4 hours of ischemia, 24 hours of reperfusion was performed...
November 2016: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28068366/overproduction-of-%C3%AE-lipoic-acid-by-gene-manipulated-escherichia-coli
#5
Yirong Sun, Wenbin Zhang, Jincheng Ma, Hongshen Pang, Haihong Wang
Alpha-lipoic acid (LA) is an important enzyme cofactor widely used by organisms and is also a natural antioxidant for the treatment of pathologies driven by low levels of endogenous antioxidants. In order to establish a safer and more efficient process for LA production, we developed a new biological method for LA synthesis based on the emerging knowledge of lipoic acid biosynthesis. We first cloned the lipD gene, which encodes the lipoyl domain of the E2 subunit of pyruvate dehydrogenase, allowing high levels of LipD production...
2017: PloS One
https://www.readbyqxmd.com/read/28065798/monitoring-treatment-of-acute-kidney-injury-with-damage-biomarkers
#6
T J Pianta, L Succar, T Davidson, N A Buckley, Z H Endre
BACKGROUND: Damage biomarkers may identify mechanisms and sites of acute kidney injury (AKI). However, the utility of novel AKI biomarkers differs by context, and their utility for monitoring treatment of AKI is unknown. We hypothesized that selected AKI biomarkers would facilitate monitoring of mechanism-specific treatment. We examined this using a panel of biomarkers to monitor cisplatin-induced AKI treatment with alpha-lipoic acid (α-LA) that has previously been demonstrated to ameliorate cisplatin induced AKI...
February 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28065420/effectiveness-of-dietary-supplements-in-spinal-cord-injury-subjects
#7
REVIEW
Angela Navarrete-Opazo, Pilar Cuitiño, Inés Salas
BACKGROUND: Individuals with spinal cord injury (SCI) consume more dietary supplements than the general population. However, there is limited information regarding the clinical effectiveness of dietary supplements in SCI population. OBJECTIVE: To systematically review the effectiveness of dietary supplements for the prevention or treatment of health-related conditions associated with SCI. METHODS: Randomized or non-randomized controlled clinical trials were selected, comparing the effect of any dose and form of a dietary supplement (defined by the Dietary Supplement Health and Education Act), with either no treatment, placebo, or other medication...
December 19, 2016: Disability and Health Journal
https://www.readbyqxmd.com/read/28035366/inhibitory-effects-of-alpha-lipoic-acid-on-oxidative-stress-in-the-rostral-ventrolateral-medulla-in-rats-with-salt-induced-hypertension
#8
Yu-Peng Huang, Hong-Yan Jin, Hui-Ping Yu
Oxidative stress in the rostral ventrolateral medulla (RVLM) plays an important role in the pathophysiology of hypertension. Alpha‑lipoic acid (ALA) is widely recognized for its potent superoxide inhibitory properties, and it can safely penetrate deep into the brain. The aim of this study was to explore whether ALA supplementation attenuates hypertensive responses and cardiac hypertrophy by decreasing the NAD(P)H oxidase (NOX)-derived overproduction of reactive oxygen species (ROS) in the mitochondria in the RVLM, and thus attenuating the development of salt‑induced hypertension...
February 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28009525/effects-of-alpha-lipoic-acid-supplementation-on-plasma-adiponectin-levels-and-some-metabolic-risk-factors-in-patients-with-schizophrenia
#9
Bojana Vidović, Srđan Milovanović, Aleksandra Stefanović, Jelena Kotur-Stevuljević, Marija Takić, Jasmina Debeljak-Martačić, Maja Pantović, Brižita Đorđević
Adiponectin is an adipocyte-derived plasma protein with insulin-sensitizing and anti-inflammatory properties and is suggested to be a biomarker of metabolic disturbances. The aim of this study was to investigate the effects of alpha-lipoic acid (ALA) on plasma adiponectin and some metabolic risk factors in patients with schizophrenia. The plasma adipokine levels (adiponectin and leptin), routine biochemical and anthropometric parameters, markers of oxidative stress, and the serum phospholipid fatty acid profile in eighteen schizophrenic patients at baseline, in the middle, and at the end of a 3-month long supplementation period with ALA (500 mg daily) were determined...
January 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/27998794/effects-of-troxerutin-on-cognitive-deficits-and-glutamate-cysteine-ligase-subunits-in-the-hippocampus-of-streptozotocin-induced-type-1-diabetes-mellitus-rats
#10
Songyun Zhang, Hongyan Li, Lihui Zhang, Jie Li, Ruiying Wang, Mian Wang
Increasing evidence demonstrates an association between diabetes and hippocampal neuron damage. This study aimed to determine the effects of troxerutin on cognitive deficits and glutamate cysteine ligase subunits (GCLM and GCLC) in the hippocampus of streptozotocin-induced type 1 diabetes mellitus (T1DM) rats. At 12 weeks after streptozotocin injection, T1DM rats were randomly divided into 4 groups (n=15 each group) to receive no treatment (T1DM), saline (T1DM+saline), alpha-lipoic acid (T1DM+alpha-lipoic acid), and troxerutin (T1DM+troxerutin), respectively, for 6 weeks...
December 17, 2016: Brain Research
https://www.readbyqxmd.com/read/27951451/electroencephalographic-study-of-chlorpromazine-alone-or-combined-with-alpha-lipoic-acid-in-a-model-of-schizophrenia-induced-by-ketamine-in-rats
#11
Luis Rafael Leite Sampaio, Lucas Teixeira Nunes Borges, Talita Matias Barbosa, Natalia Castelo Branco Matos, Ricardo de Freitas Lima, Mariana Nascimento de Oliveira, Viviane Nóbrega Gularte, Manoel Cláudio Azevedo Patrocínio, Danielle Macêdo, Otoni Cardoso do Vale, Silvânia Maria Mendes de Vasconcelos
Schizophrenia is characterized by behavioral symptoms, brain function impairments and electroencephalographic (EEG) changes. Dysregulation of immune responses and oxidative imbalance underpins this mental disorder. The present study aimed to investigate the effects of the typical antipsychotic chlorpromazine (CP) alone or combined with the natural antioxidant alpha-lipoic acid (ALA) on changes in the hippocampal average spectral power induced by ketamine (KET). Three days after stereotactic implantation of electrodes, male Wistar rats were divided into groups treated for 10 days with saline (control) or KET (10 mg/kg, IP)...
March 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27935176/effects-of-alpha-lipoic-acid-supplementation-on-growth-performance-antioxidant-capacity-and-biochemical-parameters-for-ammonia-exposed-broilers
#12
Min Lu, Jie Bai, Fengxian Wei, Bin Xu, Quanyou Sun, Jie Li, Gaili Wang, Xiangfang Tang, Hongfu Zhang, Qingqiang Yin, Shaoyu Li
In order to estimate the effect of alpha-lipoic acid (LA) supplementation on relieving ammonia stress of broilers, 180 22-day-old male broilers were assigned to three groups, six replicates in each group and 10 birds per replicate. The three groups were: (1) a control group without ammonia stress; (2) exposure to 70 ppm atmospheric ammonia (AM); (3) exposure to 70 ppm atmospheric ammonia and administration of 300 mg/kg LA (AM + LA). The experimental period was 3 weeks. Results showed that average daily weight gain was increased and feed conversion ratio was decreased in the AM + LA group, compared with the AM group (P < 0...
December 9, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27901334/differential-efficacy-of-methylcobalamin-and-alpha-lipoic-acid-treatment-on-negative-and-positive-symptoms-of-type-2-diabetic-peripheral-neuropathy
#13
Yajuan Han, Min Wang, Jie Shen, Zhen Zhang, Min Zhao, Jing Huang, Youming Chen, Zhi Chen, Yulan Hu, Yubing Wang
BACKGROUND: Diabetic hyperglycemia damages peripheral nerves by triggering ischemia, oxidative stress, and inflammation. Alpha-lipoic acid (ALA) and methylcobalamin (MC) are known to improve signs of diabetic peripheral neuropathy (DPN), possibly by enhancing neural and vascular endothelial cell metabolism and antioxidant capacity. We evaluated differences in efficacy following short-term MC or ALA treatment on DPN symptoms to guide clinical drug selection. METHODS: Forty DPN patients were randomly divided into MC and ALA treatment groups (n=20/20) and assessed by the Toronto Clinical Neuropathy Scoring System (TCSS), total symptom score (TSS), visual analog scale (VAS) of positive symptoms, and easy sensory test (EST) for negative symptoms before and after 2 weeks of treatment...
November 30, 2016: Minerva Endocrinologica
https://www.readbyqxmd.com/read/27898872/the-effect-of-oxidative-stress-during-exercise-in-the-horse
#14
C A Williams
Oxidative stress is an imbalance of the oxidant-to-antioxidant ratio in the body. Increases in oxidative stress and changes in antioxidant status have been shown during endurance and intense exercise and eventing competition in horses. Antioxidants include vitamins, minerals, enzymes, and proteins that must be synthesized in the body or obtained from the diet. Therefore, exercise level and diet are both factors that play a role in influencing the oxidative stress and antioxidant status of the equine athlete...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27873449/assessment-of-cubosomal-alpha-lipoic-acid-gel-efficacy-for-the-aging-face-a-single-blinded-placebo-controlled-right-left-comparative-clinical-study
#15
Mohamed El-Komy, Suzan Shalaby, Rehab Hegazy, Rania Abdel Hay, Saly Sherif, Ehab Bendas
BACKGROUND: A poloxamer solution acting as a vehicle for the lipid base particulate system (cubosome dispersions) containing alpha lipoic acid (ALA) has achieved encouraging results in skin aging. OBJECTIVE: Evaluate the efficacy of 5% Cubosomal ALA as an anti-aging formulation. METHODS: This single-blinded, placebo-controlled, comparative study was conducted on 20 females. Patients were instructed to apply a gel formulation containing the active ingredient over the right half of their face and a placebo gel on the left half twice daily for 6 months...
November 22, 2016: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/27855478/interventions-for-treating-burning-mouth-syndrome
#16
REVIEW
Roddy McMillan, Heli Forssell, John Ag Buchanan, Anne-Marie Glenny, Jo C Weldon, Joanna M Zakrzewska
BACKGROUND: Burning mouth syndrome (BMS) is a term used for oral mucosal pain (burning pain or discomfort in the tongue, lips or entire oral cavity) without identifiable cause. General population prevalence varies from 0.1% to 3.9%. Many BMS patients indicate anxiety, depression, personality disorders and impaired quality of life (QoL). This review updates the previous versions published in 2000 and 2005. OBJECTIVES: To determine the effectiveness and safety of any intervention versus placebo for symptom relief and changes in QoL, taste, and feeling of dryness in people with BMS...
18, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27852394/-mechanism-of-alpha-lipoic-acid-in-treating-tnbs-induced-colitis-in-mice
#17
J Sun, M J Sun
Objective: To investigate whether α-lipoic acid (ALA) regulates autophagy in the pathogenesis of colitis through the mammalian target of rapamycin (mTOR) signaling pathway. Methods: Balb/c mouse colitis model was induced with 2, 4, 6-trinitrobenzenesulfonic acid (TNBS). Male Balb/c mice (22-25 g) were divided into four groups: control group, ALA group, colitis group, and ALA treatment group, with 10 mice in each group. ALA was administered at a dose of 80 mg/kg once a day for 7 days. The colon weight index, the disease activity index (DAI) and the histologic degeneration score (HDS) of colon tissue in each group were calculated...
November 1, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27848046/effects-of-alpha-lipoic-acid-on-retinal-ganglion-cells-retinal-thicknesses-and-vegf-production-in-an-experimental-model-of-diabetes
#18
Emrah Kan, Ömer Alici, Elif Kılıç Kan, Ahmet Ayar
PURPOSE: The purpose of the present study was to investigate the effect of alpha-lipoic acid (ALA) on the thicknesses of various retinal layers and on the numbers of retinal ganglion cells and vascular endothelial growth factor levels in experimental diabetic mouse retinas. METHODS: Twenty-one male BALB/C mice were made diabetic by the intraperitoneal administration of streptozotocin (200 mg/kg). One week after the induction of diabetes, the mice were divided randomly into three groups: control group (non-diabetic mice treated with alpha-lipoic acid, n = 7), diabetic group (diabetic mice without treatment, n = 7), and alpha-lipoic acid treatment group (diabetic mice with alpha-lipoic acid treatment, n = 7)...
November 15, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27796992/treatment-of-cadmium-induced-renal-oxidative-damage-in-rats-by-administration-of-alpha-lipoic-acid
#19
Tongwang Luo, Gang Liu, Mengfei Long, Jinlong Yang, Ruilong Song, Yi Wang, Yan Yuan, Jianchun Bian, Xuezhong Liu, Jianhong Gu, Hui Zou, Zongping Liu
Cadmium (Cd) is a toxic heavy metal that is widespread and nephrotoxic, but the mechanism of its toxicity is not well understood. Alpha-lipoic acid (α-LA) has a protective effect on Cd-induced oxidative stress, but the underlying mechanism is also not clear. This study aimed to confirm that Cd causes renal damage and to explore the potential underlying mechanism of α-LA to the kidney. Rats were randomly divided into four groups: control group, Cd group (50 mg/L CdAc2), Cd+α-LA group (50 mg/L CdAc2 + 50 mg/kg body wt/day α-LA), and α-LA group (50 mg/kg body wt/day)...
October 30, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27756190/comparison-of-sensory-tests-and-neuronal-quantity-of-peripheral-nerves-between-streptozotocin-stz-induced-diabetic-rats-and-paclitaxel-pac-treated-rats
#20
Heung Yong Jin, Na Young Lee, Hyun A Ko, Kyung Ae Lee, Tae Sun Park
Although diabetic peripheral neuropathy (DPN) and chemotherapy-induced peripheral neuropathy (CIPN) are different disease entities, they share similar neuropathic symptoms that impede quality of life for these patients. Despite having very similar downstream effects, there have been no direct comparisons between DPN and CIPN with respect to symptom severity and therapeutic responses. We compared peripheral nerve damage due to hyperglycemia with that caused by paclitaxel (PAC) treatment as represented by biochemical parameters, diverse sensory tests, and immunohistochemistry of cutaneous and sciatic nerves...
September 2016: Somatosensory & Motor Research
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