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alpha lipoic acid

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https://www.readbyqxmd.com/read/29028075/safety-of-oral-alpha-lipoic-acid-treatment-in-pregnant-women-a-retrospective-observational-study
#1
E Parente, G Colannino, O Picconi, G Monastra
OBJECTIVE: Alpha-lipoic acid is a natural molecule, which directly or by means of its reduced form, dihydrolipoic acid, exerts antioxidant, anti-inflammatory and immunomodulatory activities, very helpful also in preventing miscarriage and preterm delivery. Used as dietary supplement alpha-lipoic acid was demonstrated to be safe for living organisms even when administered at high doses. However, no study was made so far to verify the safety of its continuous administration on a substantial number of pregnant women...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29026706/development-of-novel-drug-eluting-stents-for-acute-myocardial-infarction
#2
REVIEW
Doo Sun Sim, Myung Ho Jeong
Delayed arterial healing at culprit sites after drug-eluting stent (DES) placement for acute myocardial infarction (AMI) is associated with increased risk of late stent thrombosis. The Korea Acute Myocardial Infarction Registry was established in commemoration of the 50(th) anniversary of Korea Circulation Society. Between November 2005 and December 2016, more than 62,000 patients were registered from 50 primary percutaneous coronary intervention (PCI) centers in Korea. DES in AMI may be safe and effective, however, there is concern about increased stent thrombosis after DES implantation in AMI patients, requiring longer-term dual anti-platelet therapy to reduce the risk of late stent thrombosis...
September 2017: Chonnam Medical Journal
https://www.readbyqxmd.com/read/29022246/alpha-lipoic-acid-mitigates-toxic-induced-demyelination-in-the-corpus-callosum-by-lessening-of-oxidative-stress-and-stimulation-of-polydendrocytes-proliferation
#3
Nima Sanadgol, Fereshteh Golab, Hassan Askari, Fatemeh Moradi, Marziyeh Ajdary, Mehdi Mehdizadeh
Multiple Sclerosis (MS), is a disease that degenerates myelin in central nervous system (CNS). Reactive oxygen species (ROSs) are toxic metabolites, and accumulating data indicate that ROSs-mediated apoptosis of oligodendrocytes (OLGs) plays a major role in the pathogenesis of MS under oxidative stress conditions. In this study, we investigated the role of endogenous antioxidant alpha-lipoic acid (ALA) as ROSs scavenger in the OLGs loss and myelin degeneration during cuprizone (cup)-induced demyelination in the experimental model of MS...
October 12, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29019159/alpha-lipoamide-ameliorates-motor-deficits-and-mitochondrial-dynamics-in-the-parkinson-s-disease-model-induced-by-6-hydroxydopamine
#4
Bo Zhou, Min Wen, Xin Lin, Yun-Hua Chen, Yun Gou, Yong Li, Yi Zhang, Hong-Wei Li, Lei Tang
The precise mechanisms underlying neuronal injury in Parkinson's disease (PD) are not yet fully elucidated; however, evidence from the in vitro and in vivo PD models suggest that mitochondrial dysfunction may play a major role in PD pathogenesis. Alpha lipoamide, a neutral amide derivative of the lipoic acid, is a better cofactor for mitochondrial dehydrogenase with a stronger protective effect on mitochondria than lipoic acid. Identification of these protective effects of alpha lipoamide on mitochondria, together with the evidence that mitochondrial dysfunction plays a critical role in PD, we speculate that alpha lipoamide may exert a protective effect in PD by regulating the mitochondrial function...
October 10, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28993193/%C3%AE-lipoic-acid-inhibits-human-lung-cancer-cell-proliferation-through-grb2-mediated-egfr-downregulation
#5
Lan Yang, Ya Wen, Guoqing Lv, Yuntao Lin, Junlong Tang, Jingxiao Lu, Manqiao Zhang, Wen Liu, Xiaojuan Sun
BACKGROUND: Alpha lipoic acid (α -LA) is a naturally occurring antioxidant and metabolic enzyme co-factor. Recently, α -LA has been reported to inhibit the growth of various cancer cells, but the precise signaling pathways that mediate the effects of α -LA on non-small cell lung cancer (NSCLC) development remain unclear. METHODS: The CCK-8 assay was used to assess cell proliferation in NSCLC cell lines after α -LA treatment. The expression of growth factor receptor-bound protein 2 (Grb2), cyclin-dependent kinase (CDK)-2, CDK4, CDK6, Cyclin D3, Cyclin E1, Ras, c-Raf, epidermal growth factor receptor (EGFR), ERK1/2 and activated EGFR and ERK1/2 was evaluated by western blotting...
October 6, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28992629/%C3%AE-lipoic-acid-promotes-neurological-recovery-after-ischemic-stroke-by-activating-the-nrf2-ho-1-pathway-to-attenuate-oxidative-damage
#6
Chengmei Lv, Surendra Maharjan, Qingqing Wang, Yongxin Sun, Xu Han, Shan Wang, Zhengchun Mao, Yanming Xin, Bing Zhang
BACKGROUND/AIMS: Alpha-lipoic acid (α-LA) has been demonstrated to be protective against cerebral ischemia injury. Herein, we investigate the neuroprotective effect and underlying mechanisms of α-LA. METHODS: In vivo study, α-LA was administered intravenously upon reperfusion of transient middle cerebral artery occlusion. Garcia score was used to evaluate neurologic recovery. Infarct volume was examined by TTC staining, and oxidative damage was evaluated by ELISA assay...
October 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28986235/alpha-synuclein-epigenetics-mitochondria-metabolism-calcium-traffic-circadian-dysfunction-in-parkinson-s-disease-an-integrated-strategy-for-management
#7
REVIEW
Oliver T Phillipson
The motor deficits which characterise the sporadic form of Parkinson's disease arise from age-related loss of a subset of dopamine neurons in the substantia nigra. Although motor symptoms respond to dopamine replacement therapies, the underlying disease process remains. This review details some features of the progressive molecular pathology and proposes deployment of a combination of nutrients: R-lipoic acid, acetyl-L-carnitine, ubiquinol, melatonin (or receptor agonists) and vitamin D3, with the collective potential to slow progression of these features...
October 3, 2017: Ageing Research Reviews
https://www.readbyqxmd.com/read/28982027/alpha-lipoic-acid-ala-effects-on-developmental-competence-of-equine-preantral-follicles-in-short-term-culture
#8
R G Gomes, C B Silva, S M González, R L Oliveira, M C Max, L A Lisboa, T R R Barreiros, M M Santos, F D Sarapião, E L Gastal, M M Seneda
The effect of different concentrations of alpha lipoic acid (ALA) on the development and morphology of preantral follicles, as well as the proliferative activity of granulosa cells, was assessed after short-term culture. Ovaries (n = 5) of five seasonal anestrous mares were harvested in a local abattoir. At the laboratory, nine ovarian fragments (5 × 5 × 1 mm) from each animal were used. One fragment was immediately fixed in Bouin and subjected to histological and immunohistochemistry (proliferating cell nuclear antigen, PCNA) analyses (noncultured group; D0 = day 0)...
September 27, 2017: Theriogenology
https://www.readbyqxmd.com/read/28976801/alpha-lipoic-acid-shows-promise-to-improve-migraine-in-patients-with-insulin-resistance-a-6-month-exploratory-study
#9
Cinzia Cavestro, Giorgio Bedogni, Filippo Molinari, Silvia Mandrino, Eugenia Rota, Maria Cristina Frigeri
Alpha-lipoic acid (ALA) is known to lower insulin resistance (IR), which is common among migraineurs. To assess the effect of ALA on headache in migraineurs with IR, we performed an exploratory study on a cohort of patients with migraine, followed at our Headache Center. The 32 patients took ALA 400 mg b.i.d. for 6 months in addition to their on-going treatment. The percentage of patients with a reduction of at least 50% of the attacks was 0.53 (confidence interval [95% CI] 0.36-0.70) at 2 months, 0.56 (0...
October 4, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28976135/poly-mva-attenuates-7-12-dimethylbenz-a-anthracene-initiated-and-croton-oil-promoted-skin-papilloma-formation-on-mice-skin
#10
Ravindran K Veena, Thekkuttuparambil A Ajith, Kainoor K Janardhanan, Francis Antonawich
Chemopreventive agents which exhibit activities such as anti-inflammation, inhibition of carcinogen induced mutagenesis and scavenging of free radical might play a decisive role in the inhibition of chemical carcinogenesis either at the initiation or promotion stage. Many synthesized palladium (Pd) complexes tested experimentally for antitumor activity are found effective. Poly-MVA is a liquid blend preparation containing B complex vitamins, ruthenium with Pd complexed with alpha lipoic acid as the major ingredients...
September 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/28968230/comparative-evaluation-of-the-electrophysiological-functional-and-ultrastructural-effects-of-alpha-lipoic-acid-and-cyanocobalamin-administration-in-a-rat-model-of-sciatic-nerve-injury
#11
Bahriye Horasanli, Askin Esen Hasturk, Murat Arikan, Guray Togral, Fatma Helvacioglu, Atilla Dagdeviren, Senem Mut, Ferhat Harman, Guldeniz Argun
BACKGROUND: Vitamin B12 and alpha lipoic acid (ALA) are known to promote functional and morphological recovery after peripheral nerve injury. OBJECTIVE: To compare the regenerative and neuroprotective effects of vitamin B12 and ALA treatment after sciatic nerve injury. METHODS: A total of 40 rats were randomly assigned to control (sciatic nerve exposure without injury or anastomosis), sham (sciatic nerve injury and epineural anastomosis were performed but no treatment was administered), PS (isotonic saline was administered for 12 weeks after surgery), ALA (2 mg/kg ALA was administered for 12 weeks after surgery), and vitamin B12 groups (2 mg/kg cyanocobalamin was administered for 12 weeks after surgery)...
September 22, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28968200/effects-of-alpha-lipoic-acid-on-acrylamide-induced-hepatotoxicity-in-rats
#12
F A Al-Qahtani, M Arafah, B Sharma, N J Siddiqi
Acrylamide (ACR) is a neurotoxicant, reproductive toxicant, and carcinogen in animal species.  It is used in many industries and has been found to form naturally in foods cooked at high temperatures. Alpha-lipoic acid (ALA) is a naturally occurring antioxidant whose therapeutic effect has been related to its antioxidant activity.  This study was carried out to study the protective effect of alpha lipoic acid on acrylamide induced perturbations in rat liver.  Four groups of rats were studied viz., control rats, acrylamide treated rats, alpha lipoic acid treated rats, and alpha lipoic acid plus acrylamide treated rats...
July 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28954414/alpha-lipoic-acid-downregulates-il-1%C3%AE-and-il-6-by-dna-hypermethylation-in-sk-n-be-neuroblastoma-cells
#13
Simona Dinicola, Sara Proietti, Alessandra Cucina, Mariano Bizzarri, Andrea Fuso
Alpha-lipoic acid (ALA) is a pleiotropic molecule with antioxidant and anti-inflammatory properties, of which the effects are exerted through the modulation of NF-kB. This nuclear factor, in fact, modulates different inflammatory cytokines, including IL-1b and IL-6, in different tissues and cell types. We recently showed that IL-1b and IL-6 DNA methylation is modulated in the brain of Alzheimer's disease patients, and that IL-1b expression is associated to DNA methylation in the brain of patients with tuberous sclerosis complex...
September 26, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/28900454/the-effect-of-alpha-lipoic-acid-supplementation-on-anthropometric-indices-and-food-intake-in-patients-who-experienced-stroke-a-randomized-double-blind-placebo-controlled-clinical-trial
#14
Vida Mohammadi, Fariborz Khorvash, Awat Feizi, Gholamreza Askari
BACKGROUND: Stroke as a devastating condition is a major cause of death worldwide. It is accountable for long-term disability with high personal and social cost in adults. Alpha-lipoic acid (ALA) is an eight-carbon, sulfur-containing compound with antioxidant properties which reduces body weight, changes other anthropometric indices, and regulates food intake by suppressing appetite and increasing metabolism This study was designed to evaluate the possible effects of ALA supplementation on anthropometric indices and dietary intake in patients with stroke...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28894553/effect-of-alpha-lipoic-acid-on-asymmetric-dimethylarginine-and-disability-in-multiple-sclerosis-patients-a-randomized-clinical-trial
#15
Mohammad Khalili, Madjid Soltani, Shirin Amiri Moghadam, Parvin Dehghan, Amirreza Azimi, Omid Abbaszadeh
BACKGROUND: Multiple Sclerosis (MS) is an inflammatory and demyelinating disease of the central nervous system. Oxidative stress plays a major role in the onset and progression of MS. Asymmetric dimethylarginine (ADMA) formation is dependent on oxidative stress status. OBJECTIVE: We examined whether alpha-lipoic acid (ALA) as a potent antioxidant could improve the Expanded Disability Status Scale (EDSS) and decrease plasma level of ADMA in multiple sclerosis patients...
July 2017: Electronic Physician
https://www.readbyqxmd.com/read/28880400/effects-of-ivermectin-and-its-combination-with-alpha-lipoic-acid-on-expression-of-igfbp-3-and-hspa1-genes-and-male-rat-fertility
#16
Z K El-Maddawy, W S H Abd El Naby
This study was conducted to evaluate the effects of ivermectin (IVM) with therapeutic dose (injected with 0.56 mg/kg b.wt.) either alone or combined with alpha lipoic acid (ALA) (50 mg/kg b.wt daily) on expression of testicular insulin-like growth factor binding protein-3 (IGFBP-3) and heat-shock protein A1 (HSPA1)) genes in the testes, as well as on male rat fertility parameters. Results revealed that expression levels of IGFBP-3 and HSPA1 were significantly increased in testis of the IVM-treated group relative to the control group...
September 7, 2017: Andrologia
https://www.readbyqxmd.com/read/28872362/ferulic-acid-but-not-alpha-lipoic-acid-effectively-protects-thp-1-derived-macrophages-from-oxidant-and-pro-inflammatory-response-to-lps
#17
Izabela Szulc-Kielbik, Michal Kielbik, Magdalena Klink
OBJECTIVE: The diet supplementation with antioxidants-rich products is a way to protect people from free radical-induced diseases. In this study, we compare the anti-inflammatory/antioxidant activity of two compounds available as supplements: alpha lipoic acid (ALA) and ferulic acid (FA). MATERIALS AND METHODS: The free radical scavenging capacity of ALA and FA in the cell free system was evaluated using 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. Anti-inflammatory activity of both compounds was determined, in vitro, on THP-1 derived macrophages model, both resting (not stimulated) and inflammatory (lipopolysaccharide- or tumor-necrosis factor α-stimulated)...
September 5, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28845931/-adjuvant-antioxidant-therapy-in-varicocele-infertility
#18
S I Gamidov, R I Ovchinnikov, A Yu Popova, A Yu Avakyan, G T Sukhikh
INTRODUCTION: Infertility affects an estimated 15% of couples globally. Male factor infertility accounts for about a half of infertility cases. About 40% of infertile men have varicocele. The aim of this study was to investigate the efficacy and safety of a complex of acetyl-L-carnitine, L-carnitine fumarate and alpha-lipoic acid (SpermActin-forte) (SA) for adjuvant antioxidant therapy after microsurgical varicocelectomy (MVE) in men with varicocele and assess its impact on the level of DNA fragmentation in sperm cells...
June 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/28834388/dry-eye-disease-and-oxidative-stress
#19
REVIEW
Sophia Seen, Louis Tong
Dry eye, an age-related condition, is a multifactorial disease of the tears and ocular surface that results in symptoms of discomfort, visual disturbance and tear film instability. Environmental factors are also often implicated in dry eye including exposure to pollutants, ultraviolet (UV) radiation and ozone as well as the chronic use of preserved eyedrops such as in the treatment of glaucoma. These factors increase oxidative stress and ocular surface inflammation. Here, we reviewed the cellular, animal and clinical studies that point to the role of oxidative stress in dry eye disease...
August 21, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28830289/in-vitro-evaluation-of-%C3%AE-lipoic-acid-loaded-lipid-nanocapsules-for-topical-delivery
#20
Nan Xia, Tian Liu, Qiang Wang, Qiang Xia, Xiaoli Bian
This study aimed at in vitro evaluation of α-lipoic acid-loaded lipid nanocapsules for topical delivery, which was prepared by hot high-pressure homogenisation. Stable particles could be formed and particle size was 148.54 ± 2.31 nm with polydispersity index below 0.15. Encapsulation efficiency and drug loading of α-lipoic acid were 95.23 ± 0.45% and 2.81 ± 0.37%. Antioxidant study showed α-lipoic acid could be protected by lipid nanocapsules without loss of antioxidant activity. Sustained release of α-lipoic acid from lipid nanocapsules was obtained and cumulative release was 62...
September 3, 2017: Journal of Microencapsulation
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