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Alpha-lipoic-acid

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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
#1
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
#2
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
#3
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
#4
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...
November 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
#5
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
#6
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
#7
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
#8
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...
October 18, 2016: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/27755990/effects-of-alpha-lipoic-acid-on-expression-of-iron-transport-and-storage-proteins-in-bv-2-microglia-cells
#9
Ping Chen, Fei-Mi Li, Yu-Fu Zhou, Christopher Qian, Juan Li, Li-Rong Jiang, Zhong-Ming Qian
BACKGROUND: The antioxidant properties of alpha-lipoic acid (ALA) are associated with its ability to reduce iron in cells and tissues, which is partly due to its inhibiting effect on iron uptake from transferrin and its promoting effect on iron deposition into ferritin. However, the relevant mechanisms are unknown. METHODS: We therefore investigated the effects of ALA on the expression of transferrin receptor 1 (TfR1), divalent metal transporter 1 (DMT1), ferroportin 1 (Fpn1) and ferritin in BV-2 microglia cells...
September 11, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27743686/effect-of-alpha-lipoic-acid-on-in%C3%A2-vitro-development-of-bovine-secondary-preantral-follicles
#10
Khairy M A Zoheir, Gamaleldin I Harisa, Ahmed A Allam, Liguo Yang, Xiang Li, Aixin Liang, Ahmed A Abd-Rabou, Abdel Halim Harrath
The present study aimed to evaluate the in vitro effect of alpha lipoic acid (ALA) addition to the culture medium on the development of the bovine secondary preantral follicles. Bovine secondary preantral follicles were collected and divided into two groups depending on their size (80-100 μm and 100-110 μm). They were cultured in vitro for 15 days (D) using different media including at three different doses of ALA. The genes expression levels of follicle-stimulating hormone beta-subunit (FSHR), insulin-like growth factor (IGF-1), Activin, luteinizing hormone/choriogonadotropin receptor, bone morphogenetic protein receptor type IA, transforming growth factor beta receptor 1, growth differentiation factor 9, BCL2-associated X protein (BAX), and C-Myc were studied using real-time polymerase chain reaction...
January 15, 2017: Theriogenology
https://www.readbyqxmd.com/read/27729766/tolerability-in-the-elderly-population-of-high-dose-alpha-lipoic-acid-a-potential-antioxidant-therapy-for-the-eye
#11
Daniel Sarezky, Aaishah R Raquib, Joshua L Dunaief, Benjamin J Kim
PURPOSE: Alpha lipoic acid (ALA) is an antioxidant and iron-chelating supplement that has potential benefits for geographic atrophy in dry age-related macular degeneration as well as other eye diseases. The purpose of this study was to determine the tolerability of ALA in the elderly population. PATIENTS AND METHODS: Fifteen subjects, age ≥65 years, took sequential ALA doses of 600, 800, and 1,200 mg. Each dose was taken once daily with a meal for 5 days. After each dose was taken by the subjects for 5 days, the subjects were contacted by phone, a review of systems was performed, and they were asked if they thought they could tolerate taking that dose of ALA for an extended period of time...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27718765/vaginal-alpha-lipoic-acid-shows-an-anti-inflammatory-effect-on-the-cervix-preventing-its-shortening-after-primary-tocolysis-a-pilot-randomized-placebo-controlled-study
#12
Giovanni Grandi, Lucrezia Pignatti, Francesca Ferrari, Giulia Dante, Isabella Neri, Fabio Facchinetti
INTRODUCTION: Inflammation might be an important underlying cause of preterm birth. Our aim is to explore whether vaginal administration α-lipoic acid reduces cervical inflammation and shortening after primary tocolysis. Matherials and Methods: Singleton pregnancies between 24-30 weeks remaining undelivered after hospitalization for preterm labor were randomly allocated to placebo (20 women, 15 analyzed) or vaginal ALA 400 mg daily (20 women, 17 analyzed) for 30 days. A cervical swab to quantify pro-inflammatory (IL1, IL2, IL6, IL8, TNFα) and anti-inflammatory (IL4, IL10) cytokines as well as transvaginal ultrasound cervical length measurement (CL) were performed before and after treatment...
October 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27718277/protective-effect-of-alpha-lipoic-acid-aerobic-or-resistance-exercise-from-colitis-in-second-hand-smoke-exposed-young-rats
#13
Dilek Özbeyli, Ayşe Cansu Berberoglu, Anıl Özen, Oktay Erkan, Yunus Başar, Tunahan Şen, Akakın Dilek, Yüksel Meral, Kasımay Çakır Özgür
The role of second hand smoke [SHS] exposure on ulcerative colitis is not known. Our aim was to examine the effects of α-lipoic acid (ALA), chronic aerobic [AE] or resistance exercise [RE] on SHS exposed rats with colitis. Sprague-Dawley male rats [150-200g, n=54] were occupied for colitis induction. Among the colitis groups, one group was exposed to SHS [6 days/week, 4 cigarettes/day] and the other was not. SHS group was divided into subgroups as sedentary, AE [swimming; 3 days/week] and RE [climbing with weight; 3 days/week]...
October 8, 2016: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/27709612/alpha-lipoic-acid-stearylamine-conjugate-based-solid-lipid-nanoparticles-for-tamoxifen-delivery-formulation-optimization-in-vivo-pharmacokinetic-and-hepatotoxicity-study
#14
Ankit Dhaundiyal, Sunil K Jena, Sanjaya K Samal, Bhavin Sonvane, Mahesh Chand, Abhay T Sangamwar
OBJECTIVES: This study was designed to demonstrate the potential of novel α-lipoic acid-stearylamine (ALA-SA) conjugate-based solid lipid nanoparticles in modulating the pharmacokinetics and hepatotoxicity of tamoxifen (TMX). METHODS: α-lipoic acid-stearylamine bioconjugate was synthesized via carbodiimide chemistry and used as a lipid moiety for the generation of TMX-loaded solid lipid nanoparticles (TMX-SLNs). TMX-SLNs were prepared by solvent emulsification-diffusion method and optimized for maximum drug loading using rotatable central composite design...
December 2016: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/27703307/effect-of-alpha-lipoic-acid-on-retinal-ganglion-cell-survival-in-an-optic-nerve-crush-model
#15
Ruixing Liu, Yanling Wang, Mingliang Pu, Jie Gao
PURPOSE: This study was conducted to determine whether alpha lipoic acid (ALA) promotes the survival of retinal ganglion cells (RGCs) in a rat model of optic nerve crush (ONC) injury and to investigate the neuroprotective mechanisms of ALA in the retina in this ONC injury model. METHODS: Adult male Sprague-Dawley rats (180-220 g) were subjected to ONC injury surgery. ALA (63 mg/kg) was injected intravenously 1 day before or after the ONC injury. Animals were euthanized after 10 days, and the number of ganglion cells positive for RNA-binding protein with multiple splicing (Rbpms), which is an RGC marker, were counted on the whole mount retinas...
2016: Molecular Vision
https://www.readbyqxmd.com/read/27701137/oxidative-stress-histopathological-and-electron-microscopic-alterations-induced-by-dimethylnitrosamine-in-renal-male-mice-and-the-protective-effect-of-%C3%AE-lipoic-acid
#16
Reham Z Hamza, Hayat A A Ismail, Nahla S El-Shenawy
BACKGROUND: Dimethylnitrosamine (DMN) is a waste product of several industrial processes. Alpha-lipoic acid (ALA) is a vitamin-like chemical also called as an antioxidant. Therefore, the study was designed to investigate the potential benefits of ALA in reducing the nephropathy of DMN in male mice. METHODS: Animals were divided into 6 groups (n=8) and received their treatment for 4 weeks as follows: groups 1-4 served as control, ALA-treatment (16.12 mg/kg), DMN low dose treatment and DMN high dose treatment, respectively...
October 4, 2016: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/27697039/therapeutic-effects-of-rivastigmine-and-alfa-lipoic-acid-combination-in-the-charles-bonnet-syndrome-electroencephalography-correlates
#17
Lutfu Hanoglu, Sultan Yildiz, Burcu Polat, Sema Demirci, Ahmet Mithat Tavli, Nesrin Yilmaz, Burak Yulug
BACKGROUND: Charles Bonnet Syndrome (CBS) is a rare clinical condition which is characterized with complex hallucinations by visually impaired patients. The pathophysiology of this disorder remains largely unknown, and there is still no proven treatment for this disease. In our study, we aimed to investigate the neural activity through Electroencephalography (EEG) power and evaluate the effect of rivastigmine in combination with alpha-lipoic acid on hallucination in two CBS patients with diabetic retinopathy...
October 3, 2016: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/27677185/lipoic-acid-use-and-functional-outcomes-after-thrombolysis-in-patients-with-acute-ischemic-stroke-and-diabetes
#18
Kang-Ho Choi, Man-Seok Park, Joon-Tae Kim, Hyung-Seok Kim, Ja-Hae Kim, Tai-Seung Nam, Seong-Min Choi, Seung-Han Lee, Byeong-Chae Kim, Myeong-Kyu Kim, Ki-Hyun Cho
BACKGROUND: Alpha-lipoic acid (aLA) is a strong antioxidant commonly used for treating diabetic polyneuropathy. Previously, we demonstrated the neurorestorative effects of aLA after cerebral ischemia in rats. However, its effects on patients with stroke remain unknown. We investigated whether patients treated with aLA have better functional outcomes after acute ischemic stroke (AIS) and reperfusion therapy than patients not receiving aLA. METHODS: In this retrospective study of 172 prospectively registered patients with diabetes and AIS treated with tissue plasminogen activator (tPA), we investigated the relationship between aLA use and functional outcome both after 3 months and after 1 year...
2016: PloS One
https://www.readbyqxmd.com/read/27636370/combined-strategy-for-suppressing-breast-carcinoma-mcf-7-cell-lines-by-loading-simvastatin-on-alpha-lipoic-acid-nanoparticles
#19
Usama A Fahmy, Bader M Aljaeid
BACKGROUND: Augmentation of simvastatin (SMV) cytotoxicity in breast carcinoma cell lines MCF-7, by: improvement of cellular uptake and loading on alpha lipoic acid (ALA). METHODS: In this study, SMV was loaded on ALA nanoparticles and characterized for surface morphology, SMV entrapment efficiency percent (%EE), zeta potential and release profile. Cellular viability, morphology and uptake and DNA fragmentations were analyzed as a hallmark of cellular apoptosis...
October 5, 2016: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/27597986/the-protective-effects-of-alpha-lipoic-acid-and-coenzyme-q10-combination-on-ovarian-ischemia-reperfusion-injury-an-experimental-study
#20
Ahmet Ali Tuncer, Mehmet Fatih Bozkurt, Tulay Koken, Nurhan Dogan, Mine Kanat Pektaş, Didem Baskin Embleton
Objective. This study aims to evaluate whether alpha-lipoic acid and/or coenzyme Q10 can protect the prepubertal ovarian tissue from ischemia-reperfusion injury in an experimental rat model of ovarian torsion. Materials and Methods. Forty-two female preadolescent Wistar-Albino rats were divided into 6 equal groups randomly. The sham group had laparotomy without torsion; the other groups had torsion/detorsion procedure. After undergoing torsion, group 2 received saline, group 3 received olive oil, group 4 received alpha-lipoic acid, group 5 received coenzyme Q10, and group 6 received both alpha-lipoic acid and coenzyme Q10 orally...
2016: Advances in Medicine
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