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Alpha-lipoic-acid

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https://www.readbyqxmd.com/read/29140431/microvascular-adaptations-to-exercise-protective-effect-of-pgc-1-alpha
#1
Andrew O Kadlec, Chad Barnes, Matthew J Durand, David D Gutterman
BACKGROUND: Sedentary behavior and obesity are major risk factors for cardiovascular disease. Regular physical activity has independent protective effects on the cardiovascular system, but the mechanisms responsible remain elusive. Recent studies suggest that the protein peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α) participates in the response to exercise training. We hypothesized that the arterioles of athletes maintain dilation to flow despite combined inhibition of multiple vasodilators, but loss of PGC-1α renders these vessels susceptible to inhibition of a single vasodilator pathway...
November 11, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/29100334/paradoxical-effects-of-137-cs-irradiation-on-pharmacological-stimulation-of-reactive-oxygen-species-in-hippocampal-slices-from-apoe2-and-apoe4-mice
#2
Laura E Villasana, Tunde Akinyeke, Sydney Weber, Jacob Raber
In humans, apoE, which plays a role in repair, is expressed in three isoforms: E2, E3, and E4. E4 is a risk factor for age-related cognitive decline (ACD) and Alzheimer's disease (AD), particularly in women. In contrast, E2 is a protective factor for ACD and AD. E2 and E4 might also differ in their response to cranial (137)Cs irradiation, a form of radiation typically used in a clinical setting for the treatment of cancer. This might be mediated by reactive oxygen species (ROS) in an-apoE isoform-dependent fashion...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29098625/c-ebpb-cited4-in-exercised-heart
#3
Shengguang Ding, Tianyi Gan, Meiyi Song, Qiying Dai, Haitao Huang, Yiming Xu, Chongjun Zhong
C/EBPB is a crucial transcription factor, participating in a variety of biological processes including cell proliferation, differentiation and development. In the cardiovascular system, C/EBPB-CITED4 signaling is known as a signaling pathway mediating exercise-induced cardiac growth. After its exact role in exercised heart firstly reported in 2010, more and more evidence confirmed that. MicroRNA (e.g. miR-222) and many molecules (e.g. Alpha-lipoic acid) can regulate this pathway and then involve in the cardiac protection effect induced by endurance exercise training...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29090431/modulatory-effects-of-alpha-lipoic-acid-ala-administration-on-insulin-sensitivity-in-obese-pcos-patients
#4
A D Genazzani, K Shefer, D Della Casa, A Prati, A Napolitano, A Manzo, G Despini, T Simoncini
PURPOSE: To evaluate the efficacy of alpha-lipoic acid (ALA) administration on hormonal and metabolic parameters of obese PCOS patients. METHODS: A group of 32 obese PCOS patients were selected after informed consent. 20 patients referred to have first grade relatives with diabetes type I or II. Hormonal and metabolic parameters as well as OGTT were evaluated before and after 12 weeks of ALA integrative administration (400 mg per os every day). RESULTS: ALA administration significantly decreased insulin, glucose, BMI and HOMA index...
October 31, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29077914/effects-of-dietary-vitamin-c-vitamin-e-and-alpha-lipoic-acid-supplementation-on-the-antioxidant-defense-system-and-immune-related-gene-expression-in-broilers-exposed-to-oxidative-stress-by-dexamethasone
#5
H K El-Senousey, B Chen, J Y Wang, A M Atta, F R Mohamed, Q H Nie
Vitamin C, vitamin E, and alpha-lipoic acid (ALA) are potent nutritional antioxidants, which are important for enhancing immunity. This study compared the effects of supplementation with vitamin C, vitamin E, or ALA on the antioxidant defense system and the expression of immune-related genes under oxidative stress induced by dexamethasone (DEX) in broilers. In total, 240 one-day-old female Recessive White Rock chickens were assigned randomly to either a basal diet (control group) or basal diet supplemented with vitamin C (200 mg/kg diet), vitamin E (100 mg/kg), or ALA (500 mg/kg) for 28 d starting from hatching...
October 25, 2017: Poultry Science
https://www.readbyqxmd.com/read/29069822/alpha-lipoic-acid-attenuates-radiation-induced-oral-mucositis-in-rats
#6
Jin Hyun Kim, Myeong Hee Jung, Jin Pyeong Kim, Hyun-Jung Kim, Jung Hwa Jung, Jong Ryeal Hahm, Ki Mun Kang, Bae-Kwon Jeong, Seung Hoon Woo
PURPOSE: Radiotherapy is currently one of the main treatment modalities for head and neck cancer; however, it also results in severe toxicity to the normal tissue, to the detriment of patients. This study aimed to investigate whether alpha lipoic acid (ALA) could protect against radiation-induced oral mucositis in a rat model. RESULTS: On post-irradiation days 4 and 7, the epithelial layer on oral mucosa showed pronounced injury (shortening of the layer) and it is diminished by ALA pretreatment before radiation...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29058588/effect-of-infla-kine-supplementation-on-the-gene-expression-of-inflammatory-markers-in-peripheral-mononuclear-cells-and-on-c-reactive-protein-in-blood
#7
Nina A Mikirova, Santosh Kesari, Thomas E Ichim, Neil H Riordan
BACKGROUND: Chronic inflammation is a predisposing factor to numerous degenerative diseases including cancer, heart failure and Alzheimer's disease. Infla-Kine is a natural supplement comprised of a proprietary blend of Lactobacillus fermentum extract, burdock seed (arctigenin), zinc, alpha lipoic acid, papaya enzyme and an enhanced absorption bio-curcumin complex (BCM-95(®)). METHODS: Infla-Kine was administered twice daily to 24 health volunteers for 4 weeks...
October 20, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29056677/effect-of-oral-alpha-lipoic-acid-in-preventing-the-genesis-of-canine-diabetic-cataract-a-preliminary-study
#8
David L Williams
Blinding cataract is a significant effect of canine diabetes with 75% of animals affected two years after diagnosis. Lens opacification occurs primarily through the generation of sorbitol, a sugar alcohol, through the action of aldose reductase (AR). The osmotic effect of sorbitol draws water into the lens, causing opacification. Inhibition of AR should thus prevent the generation of cataracts. A topical AR inhibitor has been shown to have this effect, as has the commercially available neutraceutical OcuGLO, containing the AR inhibitor alpha lipoic acid (ALA) together with other plant-based antioxidants...
March 16, 2017: Veterinary Sciences
https://www.readbyqxmd.com/read/29050483/phthalate-induced-toxicity-in-prostate-cancer-cell-lines-and-effects-of-alpha-lipoic-acid
#9
G Kismali, B Yurdakok-Dikmen, O Kuzukiran, P Arslan, A Filazi
OBJECTIVE: The effects of dimethyl phthalate, diethyl phthalate, diisobutyl phthalate, di-n-butyl phthalate, benzylbutyl phthalate, di-2-ethylhexyl phthalate were investigated on human prostate cancer cell lines DU145 and PC3 in vitro. MATERIALS AND METHODS: Standards of dimethyl phthalate, diethyl phthalate, di-isobutyl phthalate, dibutyl phthalate, benzyl butyl phthalate, and di-ethyl hexyl phthalate were used. Alpha lipoic acid was used as antioxidant compound...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29044452/effects-of-alpha-lipoic-acid-on-motor-function-and-antioxidant-enzyme-activity-of-nerve-tissue-after-sciatic-nerve-crush-injury-in-rats
#10
Sarper Kocaoğlu, Özgür Aktaş, Oğuzhan Zengi, Azmi Tufan, Feyza Karagöz Güzey
AIM: Background: Alpha lipoic acid (ALA) that is a strong antioxidant drug is tried for both protection and treatment of various diseases of central and peripheral nervous systems. MATERIAL AND METHODS: Material and Methods: Protective effects of ALA on crush type peripheral nerve injury were evaluated. 28 Sprague-Dawley rats were divided into four groups: In Group 1, sciatic nerve was only explored. Sciatic nerve crush injury was performed after serum physiologic injection intraperitoneally in Group 2, and after ALA injection in Groups 3 and 4...
August 31, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29037705/stabilization-of-alpha-lipoic-acid-by-complex-formation-with-octenylsuccinylated-high-amylose-starch
#11
Yi-Xuan Li, Eun Young Park, Seung-Taik Lim
The thermal and oxidative stability of alpha-lipoic acid (ALA) in aqueous dispersions containing beta-cyclodextrin (CD), native high amylose (HA) and octenylsuccinylated high amylose (OS) starches (0.1% ALA and 1.0% CD or starch solids) were compared. Both native and modified starches increased the stability of ALA against thermal degradation and oxidation at higher degrees than CD. The OS was more effective in stabilizing ALA than HA. The ALA loss in the dispersions occurred mainly in the supernatant, suggesting that the complex formation of ALA with amylose played a key role in the stabilization...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29028075/safety-of-oral-alpha-lipoic-acid-treatment-in-pregnant-women-a-retrospective-observational-study
#12
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
#13
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
#14
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/28993193/%C3%AE-lipoic-acid-inhibits-human-lung-cancer-cell-proliferation-through-grb2-mediated-egfr-downregulation
#15
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...
December 9, 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
#16
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/28982027/alpha-lipoic-acid-ala-effects-on-developmental-competence-of-equine-preantral-follicles-in-short-term-culture
#17
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)...
January 1, 2018: 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
#18
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
#19
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
#20
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
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