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alpha lipoic acid

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https://www.readbyqxmd.com/read/28722258/in-vitro-evaluation-of-chitosan-coated-liposome-containing-both-coenzyme-q10-and-alpha-lipoic-acid-cytotoxicity-antioxidant-activity-and-antimicrobial-activity
#1
Guodong Zhao, Caibiao Hu, Ying Xue
BACKGROUND: Chitosan-coated liposome containing both coenzyme Q10 and alpha-lipoic acid (CCAL) was a novel multifunctional nano delivery system exhibited long-term stability at room temperature and high encapsulation efficiency. Which containing two kinds of antioxidants (coenzyme Q10 and alpha-lipoic acid) and two antibacterial agents (chitosan and alpha-lipoic acid). However, the further biocompatibility, such as cytotoxicity and antioxidant activity, and antimicrobial activity of CCAL, has not been systematically evaluated...
July 19, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28677037/suppression-of-a-cancer-stem-like-phenotype-mediated-by-alpha-lipoic-acid-in-human-lung-cancer-cells-through-down-regulation-of-%C3%AE-catenin-and-oct-4
#2
Preeyaporn Plaimee Phiboonchaiyanan, Pithi Chanvorachote
PURPOSE: Cancer stem cells (CSCs) that possess the ability of self-renewal and multi-potency have been shown to drive tumor progression and metastasis. The majority of recent studies has focused on potential molecules targeting CSCs so as to develop novel strategies for efficient cancer treatment or protection. Here, we show how alpha-lipoic acid (LA), an endogenous mitochondrial anti-oxidant, affects the CSC-like phenotypes of human non-small cell lung cancer-derived H23, H292 and H460 cells...
July 4, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28676917/biochemical-and-clinical-relevance-of-alpha-lipoic-acid-antioxidant-and-anti-inflammatory-activity-molecular-pathways-and-therapeutic-potential
#3
REVIEW
Daniele Tibullo, Giovanni Li Volti, Cesarina Giallongo, Sonia Grasso, Daniele Tomassoni, Carmelina Daniela Anfuso, Gabriella Lupo, Francesco Amenta, Roberto Avola, Vincenzo Bramanti
BACKGROUND: The molecular nature of lipoic acid (LA) clarifies its capability of taking part to a variety of biochemical reactions where redox state is meaningful. The pivotal action of LA is the antioxidant activity due to its ability to scavenge and inactivate free radicals. Furthermore, LA has been shown to chelate toxic metals both directly and indirectly by its capability to enhance intracellular glutathione (GSH) levels. This last property is due to its ability to interact with GSH and recycle endogenous GSH...
July 4, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28660607/the-effects-of-alpha-lipoic-acid-on-diabetic-myopathy
#4
D Jurisic-Erzen, G Starcevic-Klasan, D Ivanac, S Peharec, D Girotto, R Jerkovic
PURPOSE: Increased oxidative stress and impaired antioxidant defense are important mechanisms in the pathogenesis of diabetic myopathy. Since diabetes mellitus type 1 decreases muscle regeneration capacity the present study was designed to determine the influence of alpha-lipoic acid (ALA), a potent biological antioxidant, on the process of regeneration of diabetic rat skeletal muscles. METHODS: 40 Wistar rats were divided into three groups: control (n = 8), untreated diabetic group (n = 16) and ALA treated diabetic group (n = 16)...
June 28, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28659591/alpha-lipoic-acid-suppresses-p2x-receptor-activities-and-visceral-hypersensitivity-to-colorectal-distention-in-diabetic-rats
#5
Ji Hu, Xin Qin, Zhen-Yuan Song, Pan-Pan Yang, Yu Feng, Qian Sun, Guang-Yin Xu, Hong-Hong Zhang
The present study was designed to investigate the roles of P2X3 receptors in dorsal root ganglion (DRG) neurons in colonic hypersensitivity and the effects of alpha-lipoic acid (ALA) on P2X3 receptor activity and colonic hypersensitivity of diabetic rats. Streptozotocin (STZ) was used to induce diabetic model. Abdominal withdrawal reflex (AWR) responding to colorectal distention (CRD) was recorded as colonic sensitivity. ATP-induced current density of colon-specific DRG (T13-L2 DRGs) neurons was measured with whole-cell patch clamp...
June 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28638031/-anxiolytic-and-antidepressant-effects-of-emoxipine-reamberin-and-mexidol-in-experimental-diabetes-mellitus
#6
I A Volchegorskii, I Yu Miroshnichenko, L M Rassokhina, R M Faizullin, K E Pryakhina
AIM: To perform a comparative study of anxiolytic and antidepressant effects of derivatives of 3-oxypyridine and succinic acid (emoxipine, reamberin and mexidol) in experimental diabetes mellitus. MATERIAL AND METHODS: An effect of emoxipine, reamberin and mexidol on manifestations of anxiety in 'elevated plus maze' (EPM) and duration of 'desperate behavior' (DB) in Porsolt test in rats with alloxan diabetes during medication course was studied. Alpha-lipoic (thioctic) acid (α-LA) was used as a reference drug...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28629898/alpha-lipoic-acid-supplement-in-obesity-treatment-a-systematic-review-and-meta-analysis-of-clinical-trials
#7
REVIEW
Nazli Namazi, Bagher Larijani, Leila Azadbakht
BACKGROUND & AIMS: Previous studies have supported positive roles of antioxidant supplements on weight-loss. One antioxidant supplement is Alpha-lipoic acid. However, recommending ALA as an anti-obesity supplement remains controversial. Accordingly, the purpose of the present study was to perform a meta-analysis on the effects of ALA supplement on anthropometric indices among adult subjects. METHODS: We searched five electronic databases till September 2016. Placebo-controlled clinical trials were included...
June 8, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28611356/the-osteogenesis-promoting-effects-of-alpha-lipoic-acid-against-glucocorticoid-induced-osteoporosis-through-the-nox4-nf-kappab-jnk-and-pi3k-akt-pathways
#8
Shi-Yu Lu, Chang-Yuan Wang, Yue Jin, Qiang Meng, Qi Liu, Zhi-Hao Liu, Ke-Xin Liu, Hui-Jun Sun, Mo-Zhen Liu
Recently, accumulating evidence has indicated that glucocorticoid-induced osteoporosis (GIOP) is closely related to oxidative stress and apoptosis. Alpha-lipoic acid (LA), a naturally endogenous anti-oxidant, possesses anti-oxidative and anti-apoptosis activities, implicating LA as a therapeutic agent for the treatment of GIOP. In this study, the osteogenesis-promoting effects of LA against GIOP were investigated and the mechanisms were further probed. Here, the results showed that LA inhibited oxidative stress, suppressed apoptosis and improved osteopenia by promoting the expression of osteogenesis markers, including ALP, COL-I, OCN, BMP-2, RUNX2 and OSX...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606823/alpha-lipoic-acid-attenuates-acute-neuroinflammation-and-long-term-cognitive-impairment-after-polymicrobial-sepsis
#9
Amanda Della Giustina, Mariana Pereira Goldim, Lucinéia Gainski Danielski, Drielly Florentino, Khiany Mathias, Leandro Garbossa, Aloir Neri Oliveira Junior, Maria Eduarda Fileti, Graciela Freitas Zarbato, Naiana da Rosa, Ana Olívia Martins Laurentino, Jucélia Jeremias Fortunato, Francielle Mina, Tatiani Bellettini-Santos, Josiane Budni, Tatiana Barichello, Felipe Dal-Pizzol, Fabricia Petronilho
Sepsis is a complication of an infection which imbalance the normal regulation of several organ systems, including the central nervous system (CNS). Evidence points towards inflammation and oxidative stress as major steps associated with brain dysfunction in sepsis. Thus, we investigated the α-lipoic acid (ALA) effect as an important antioxidant compound on brain dysfunction in rats. Wistar rats were subjected to sepsis by cecal ligation and perforation (CLP) or sham (control) and treated orally with ALA (200 mg/kg after CLP) or vehicle...
June 10, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28602729/alpha-lipoic-acid-impairs-body-weight-gain-of-young-broiler-chicks-via-modulating-peripheral-ampk
#10
Yufeng Wang, Nadia Everaert, Zhigang Song, Eddy Decuypere, Daniel Vermeulen, Johan Buyse
In mammals, the AMP-activated protein kinase (AMPK) pathways in the central and peripheral tissues coordinately integrate inputs from multiple sources to regulate energy balance. The present study was aimed to explore the potential role of hepatic AMPK in the energy homeostasis of broiler chickens. Diets with 0, 0.05% or 0.1% alpha-lipoic acid (α-LA), a known AMPK inhibitor were provided to broiler chicks for 7days. As a result, α-LA supplementation decreased the relative growth rate of broiler chicks. Hepatic AMPKα2 mRNA levels were significantly upregulated by dietary α-LA, in concert with the increased phosphorylated AMPKα protein levels...
June 8, 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28598563/alpha-lipoic-acid-prevents-doxorubicin-induced-nephrotoxicity-by-mitigation-of-oxidative-stress-inflammation-and-apoptosis-in-rats
#11
El-Sayed M El-Sayed, Ahmed M Mansour, Waleed S El-Sawy
This study aimed to evaluate the protective effects of alpha lipoic acid (ALA) against doxorubicin (DOX)-induced nephrotoxicity in rats. A single dose of DOX (7.5 mg/kg i.v.) induced nephrotoxicity evidenced by significant elevations in kidney weight, kidney/body weight ratio, serum urea, creatinine, tumor necrosis factor alpha, and renal contents of malondialdehyde, nitric oxide, cyclooxygenase-2, and caspase-3. Also, it causes significant reduction in final body weight, serum albumin, renal contents of reduced glutathione and superoxide dismutase activity...
June 9, 2017: Journal of Biochemical and Molecular Toxicology
https://www.readbyqxmd.com/read/28596150/pain-improvement-with-novel-combination-analgesic-regimens-pain-care-randomized-controlled-trial-protocol
#12
Ian Gilron, Dongsheng Tu, Ronald Holden, Alan C Jackson, Nader Ghasemlou, Scott Duggan, Elizabeth Vandenkerkhof, Roumen Milev
BACKGROUND: Neuropathic pain (NP) (including painful diabetic neuropathy, postherpetic neuralgia, etc) affects approximately 7% to 8% of the population and is associated with a devastating symptom burden as well as a profound economic impact for patients, their families, and the health care system. Current therapies have limited efficacy and dose-limiting adverse effects (AEs). Rational combination therapy with carefully selected NP drugs has shown potential for measurable improvements in pain relief, quality of life, and health care use...
June 8, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28584615/does-alpha-lipoic-acid-supplement-regulate-blood-pressure-a-systematic-review-of-randomized-double-blind-placebo-controlled-clinical-trials
#13
REVIEW
Vida Mohammadi, Sirous Dehghani, Gholamreza Askari
Although several animal and human studies have investigated the effect of alpha-lipoic acid (ALA) on blood pressure (BP), these findings are inconsistent. This systematic review of randomized clinical trials was conducted to summarize the evidence on the effect of ALA on BP. PubMed, SCOPUS, and Google Scholar databases were searched based on MESH term ("Thioctic acid" in combination with "Hypertension" and "Blood pressure") to identify related papers published up to December 2015. We summarized the results of the relevant studies in this review...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28579060/human-dihydrolipoamide-dehydrogenase-e3-deficiency-novel-insights-into-the-structural-basis-and-molecular-pathomechanism
#14
REVIEW
Attila Ambrus, Vera Adam-Vizi
This review summarizes our present view on the molecular pathogenesis of human (h) E3-deficiency caused by a variety of genetic alterations with a special emphasis on the moonlighting biochemical phenomena related to the affected (dihydro)lipoamide dehydrogenase (LADH, E3, gene: dld), in particular the generation of reactive oxygen species (ROS). E3-deficiency is a rare autosomal recessive genetic disorder frequently presenting with a neonatal onset and premature death; the highest carrier rate of a single pathogenic dld mutation (1:94-1:110) was found among Ashkenazi Jews...
June 2, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28573312/the-alpha-lipoic-acid-derivative-dhlhzn-a-new-therapeutic-agent-for-acute-lung-injury-in-vivo
#15
Yoshiaki Shoji, Hiroya Takeuchi, Kazumasa Fukuda, Koichi Fukunaga, Rieko Nakamura, Tsunehiro Takahashi, Norihito Wada, Hirofumi Kawakubo, Taku Miyasho, Takahiro Hiratsuka, Masafumi Inomata, Tomoko Betsuyaku, Yuko Kitagawa
OBJECTIVE AND DESIGN: An animal experiment was performed to demonstrate the anti-inflammatory effects of an alpha-lipoic acid (ALA) derivative, dihydrolipoyl histidinate zinc complex (DHLHZn) for acute lung injury (ALI) and to investigate the mechanism of action. MATERIAL: Rats were randomly divided into three experimental groups: control group (n = 17), DHLHZn(-) group (n = 11, ALI model rats), and DHLHZn(+) group (n = 12, ALI model rats treated by DHLHZn)...
June 1, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28551626/lipoic-acid-decreases-the-viability-of-breast-cancer-cells-and-activity-of-ptp1b-and-shp2
#16
Alicja Kuban-Jankowska, Magdalena Gorska-Ponikowska, Michal Wozniak
BACKGROUND: Protein tyrosine phosphatases PTP1B and SHP2 are potential targets for anticancer therapy, because of the essential role they play in the development of tumors. PTP1B and SHP2 are overexpressed in breast cancer cells, thus inhibition of their activity can be potentially effective in breast cancer therapy. Lipoic acid has been previously reported to inhibit the proliferation of colon, breast and thyroid cancer cells. MATERIALS AND METHODS: We investigated the effect of alpha-lipoic acid (ALA) and its reduced form of dihydrolipoic acid (DHLA) on the viability of MCF-7 cancer cells and on the enzymatic activity of PTP1B and SHP2 phosphatases...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28541026/advances-in-the-management-of-diabetic-neuropathy
#17
Tamás Várkonyi, Anna Körei, Zsuzsanna Putz, Tímea Martos, Katalin Keresztes, Csaba Lengyel, Szabolcs Nyiraty, Alin Stirban, György Jermendy, Péter Kempler
The authors review current advances in the therapy of diabetic neuropathy. The role of glycemic control and management of cardiovascular risk factors in the prevention and treatment of neuropathic complications are discussed. As further options of pathogenetically oriented treatment, recent knowledge on benfotiamine and alpha-lipoic acid is comprehensively reviewed. Alpha-lipoic acid is a powerful antioxidant and clinical trials have proven its efficacy in ameliorating neuropathic signs and symptoms. Benfotiamine acts via the activation of transketolase and thereby inhibits alternative pathways triggered by uncontrolled glucose influx in the cells comprising polyol, hexosamine, protein-kinase-C pathways and formation of advanced glycation end products...
October 2017: Minerva Medica
https://www.readbyqxmd.com/read/28537012/nutraceutical-effects-on-glucose-and-lipid-metabolism-in-patients-with-impaired-fasting-glucose-a-pilot-double-blind-placebo-controlled-randomized-clinical-trial-on-a-combined-product
#18
Arrigo Francesco Giuseppe Cicero, Federica Fogacci, Martino Morbini, Alessandro Colletti, Marilisa Bove, Maddalena Veronesi, Marina Giovannini, Claudio Borghi
INTRODUCTION: A number of natural compounds have individually demonstrated to improve glucose and lipid levels in humans. AIM: To  evaluate the short-term glucose and lipid-lowering activity in subjects with impaired fasting glucose. METHODS: To assess the effects of a combination of nutraceuticals based on Lagerstroemia speciosa, Berberis aristata, Curcuma longa, Alpha-lipoic acid, Chrome picolinate and Folic acid, we performed a double-blind, parallel group, placebo-controlled, randomized clinical trial in 40 adults affected by impaired fasting glucose (FPG = 100-125 mg/dL) in primary prevention of cardiovascular disease...
May 23, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28528322/very-low-doses-of-heavy-oxygen-ion-radiation-induce-premature-ovarian-failure
#19
Birendra Mishra, Ryan Ripperdan, Laura Ortiz, Ulrike Luderer
Astronauts are exposed to charged particles during space travel, and charged particles are also used for cancer radiotherapy. Premature ovarian failure is a well-known side effect of conventional, low linear energy transfer (LET) cancer radiotherapy, but little is known about the effects of high LET charged particles on the ovary. We hypothesized that lower LET (16.5 keV/µm) oxygen particles would be less damaging to the ovary than we previously found for iron (LET = 179 keV/µm). Adult female mice were irradiated with 0, 5, 30 or 50 cGy oxygen ions or 50 cGy oxygen plus dietary supplementation with the antioxidant alpha lipoic acid (ALA)...
August 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28527067/usefulness-of-nutraceuticals-in-migraine-prophylaxis
#20
Florindo D'Onofrio, Simona Raimo, Daniele Spitaleri, Gerardo Casucci, Gennaro Bussone
Several studies have supported the efficacy of complementary and alternative medicine approaches (physical, behavioral and nutraceutical therapies) in the treatment of headache disorders. Nutraceutical treatment consists of taking vitamins, supplements (magnesium, riboflavin, coenzyme Q10, and alpha lipoic acid) and herbal preparations (feverfew and butterbur), and its usage is frequently determined by dissatisfaction with conventional medical therapies. There is a growing body of research on nutraceutical use for migraine prophylaxis...
May 2017: Neurological Sciences
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