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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
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
Khairy M A Zoheir, Gamaleldin I Harisa, Ahmed A Allam, Ligu 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...
September 13, 2016: Theriogenology
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
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
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
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...
October 5, 2016: Journal of Pharmacy and Pharmacology
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
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
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
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
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
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
M Lu, J Bai, B Xu, Q Y Sun, F X Wei, X F Tang, H F Zhang, J Li, G L Wang, Q Q Yin, S Y Li
Ammonia in poultry houses not only affects worker health but also induces a variety of poultry diseases. Alpha-lipoic acid (LA) is an effective antioxidant that protects cells against oxidative injury during various toxic and pathological processes. This study was designed to evaluate the mitigating effects of LA supplementation on ammonia stress and hepatic proteome changes in broilers. Male broilers (22 d old) were allocated to 3 groups: (1) a control group without ammonia stress (CTRL); (2) exposure to 70 ppm ammonia (AM); and (3) exposure to 70 ppm ammonia and dietary administration of 300 mg/kg LA (AM+LA)...
September 2, 2016: Poultry Science
Shuhang Liang, Kuo Sun, Yue Wang, Shuying Dong, Cheng Wang, LianXin Liu, YongHui Wu
Zinc oxide nanoparticles (ZnO NPs) are widely used in a variety of products used in daily life. However, their impact on human health has not been completely elucidated. This study was designed to investigate the cytotoxicity associated with ZnO NPs, the role of dissolution in the toxicity of ZnO NPs, the molecular mechanisms and mode of cell death induced by ZnO NPs in human aortic endothelial cells (HAECs), and the protective effects of the antioxidant alpha-lipoic acid (LA). ZnO NPs significantly reduced cell viability in a dose- and time-dependent manner, resulted in intracellular oxidative stress and cell membrane leakage when treated with doses of 8-50 μg/mL for 12 and 24 h in HAECs...
October 25, 2016: Chemico-biological Interactions
Usama A Fahmy
Time and cost saving is an essential requirement in pharmacokinetics and bioequivalence studies. The aim of this study is to use a simple, fast, and nondestructive near-infrared transmission spectroscopic method to quantify simvastatin (SMV) concentrations in mice plasma and also to improve SMV bioavailability by using alpha-lipoic acid as a carrier. Calibration curve was built at a concentration range of 10-250 ng/mL, and HPLC method was considered as a reference method. A partial least squares regression analysis model was used for method development, which gave less root mean square error cross-validation...
2016: Drug Design, Development and Therapy
Jun Guo, Shixing Gao, Zhiqing Liu, Ruqian Zhao, Xiaojing Yang
Recently, white adipose tissue has been shown to exhibit immunological activity, and may play an important role in host defense and protection against bacterial infection. Αlpha-lipoic acid (α-LA) has been demonstrated to function as an anti-inflammatory and anti-oxidant agent. However, its influence on the inflammatory response and metabolic changes in white adipose tissue remains unknown. We used male C57BL/6 mice as models to study the effect of α-LA on the inflammatory response and metabolic changes in white adipose tissue after stimulation with lipopolysaccharide (LPS)...
October 2016: Lipids
Özay Güleş, Ülker Eren
The present study was aimed to investigate the antioxidant, biochemical, and histological effects of alpha lipoic acid (ALA) on polychlorinated biphenyl (PCB)-induced testicular toxicity in male rats. The rats were divided into five groups: In the control group, the rats were not administered any chemicals for 30 days. In the sham group, the rats were administered corn oil for 30 days. In the PCB group, the rats were administered with Aroclor 1254 for 30 days. In the ALA group, the rats were treated with ALA for 30 days...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
Yanling Wang, Wenyao Wang, Jessica Liu, Xin Huang, Ruixing Liu, Huika Xia, Nicholas C Brecha, Mingliang Pu, Jie Gao
In this study we first sought to determine whether RNA-binding protein with multiple splicing (RBPMS) can serve as a specific marker for cat retina ganglion cells (RGCs) using retrograde labeling and immunohistochemistry staining. RBPM was then used as an RGC marker to study RGC survival after optic nerve crush (ONC) and alpha-lipoic acid (ALA) treatment in cats. ALA treatment yielded a peak density of RBPMS-alpha cells within the peak isodensity zone (>60/mm2) which did not differ from ONC retinas. The area within the zone was significantly enlarged (control: 2...
2016: PloS One
M H Fayyaz, M Ahmad, N Ahmad
Sperm survival depending upon integral membranes and function is imperative for fertilization. This study was designed to augment survival of buffalo spermatozoa using alpha-lipoic acid (ALA) and cholesterol-loaded cyclodextrin (CLC) during cryopreservation. Semen was frozen using 0, 0.5, 1, 1.5, 2 and 2.5 mmol L(-1) ALA (experiment 1) and ALA or CLC separately or together (experiment 2). Semen was assessed for post-thaw motility, plasma membrane integrity (PMI), intact acrosome and plasma membrane (IACR-IPM) and DNA integrity at 0, 1...
August 5, 2016: Andrologia
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