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Vit E

Z Merhi, E Buyuk, M J Cipolla
STUDY QUESTION: Does vitamin D attenuate the adverse effects of advanced glycation end products (AGEs) on steroidogenesis by human granulosa cells (GCs)? SUMMARY ANSWER: AGEs alter the expression of genes important in steroidogenesis while 1,25-dihydroxyvitamin D3 (vit D3) in vitro attenuates some of the actions of AGEs on steroidogenic gene expression, possibly by downregulating the expression of the pro-inflammatory cell membrane receptor for AGEs (RAGE). WHAT IS KNOWN ALREADY: Vitamin D attenuates the pro-inflammatory effects of AGEs in non-ovarian tissues...
March 12, 2018: Molecular Human Reproduction
A P K Riffel, M C Q Santos, J A de Souza, T Scheid, A Horst, C Kolberg, A Belló-Klein, W A Partata
Vitamin E (vit. E) and vitamin C (vit. C) are antioxidants that inhibit nociception. The effect of these vitamins on oxidative-stress markers in the spinal cord of rats with chronic constriction injury (CCI) of the sciatic nerve is unknown. This study investigated the effect of intraperitoneal administration of vit. E (15 mg·kg-1·day-1) and vit. C (30 mg·kg-1·day-1), given alone or in combination, on spinal cord oxidative-stress markers in CCI rats. Adult male Wistar rats weighing 200-250 g were divided equally into the following groups: Naive (rats did not undergo surgical manipulation); Sham (rats in which all surgical procedures involved in CCI were used except the ligature), and CCI (rats in which four ligatures were tied loosely around the right common sciatic nerve), which received injections of vitamins or vehicle (saline containing 1% Tween 80) for 3 or 10 days (n=6/each group)...
March 1, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
R N Ugbaja, T O Olaniyan, O K Afolabi, B O Onunkwor, O A Dosumu, T F Akinhanmi, A Y Tiamiyu, N O Aliyu-Banjo
To investigate the effects of vitamin C and E on electrolyte profile and the activity of acetylcholinesterase (AChE) in Aluminium (Al) chloride exposed rats, thirty-six male rats were used for this study. The animals were randomly grouped into six (n=6); group I (Control) was given normal saline. Group II (Al only) was exposed to 20mg/kg body weight (BW) of Al. Groups III (Vitamin C only) and IV (Vitamin E only) were administered 200mg/kg BW of vitamin C and vitamin E respectively. Groups V (Al + Vit C) and VI (Al + Vit E) were exposed to 20mg/kg Al and were treated with 200mg/kg vitamin C and vitamin E respectively...
December 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
Duck Soo Lim, Seung Kwang Lim, Min Kook Kim, Yong Chan Kwon, Tae Hyun Roh, Seul Min Choi, Sungpil Yoon, Hyung Sik Kim, Byung-Mu Lee
N-nitrosodiethanolamine (NDELA), a type of nitrosamine, is a possible human carcinogen that may form in cosmetic products. The aim of this study was to examine the formation and inhibition of NDELA through chemical reactions of secondary amines including mono-ethanolamine, di-ethanolamine (DEA), and tri-ethanolamine (TEA), and sodium nitrite (SN) under varying conditions such as pH, temperature, and fluorescent, ultraviolet (UV), and visual light (VIS) using liquid chromatography-mass spectroscopy. In a mixture of TEA and SN under acidic conditions pH 2, residual NDELA concentrations rose significantly under various storage conditions in the following order: 50°C > 40°C > UV (2 W/m2 ) > VIS (4000 lux) > fluorescent light > 25°C > 10°C...
February 23, 2018: Journal of Toxicology and Environmental Health. Part A
Zohra Ghlissi, Ahmed Hakim, Hela Mnif, Rim Kallel, Khaled Zeghal, Tahiya Boudawara, Zouheir Sahnoun
This study was carried out to evaluate spontaneous renal regeneration after stopping colistin methanesulfonate (CMS), which induces tubular damage, and the curative effect of Vitamin E (vit E) in rats. Animals were given the following: sterile saline (n = 6), 300,000 IU/kg/ day of CMS (n = 24), or 450,000 IU/kg/day of CMS (n = 24) for seven days. Each CMS group was subdivided into four subgroups (n = 6) and sacrificed as follows: (i) 12 h after stopping CMS, (ii) two weeks after stopping CMS, (iii) two weeks after stopping treatment with vit E, and (iv) two weeks after stopping treatment with olive oil...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
S Adil Saribay, Ali Furkan Biten, Erdem Ozan Meral, Pinar Aldan, Vít Třebický, Karel Kleisner
Many sets of human facial photographs produced in Western cultures are available for scientific research. We report here on the development of a face database of Turkish undergraduate student targets. High-resolution standardized photographs were taken and supported by the following materials: (a) basic demographic and appearance-related information, (b) two types of landmark configurations (for Webmorph and geometric morphometrics (GM)), (c) facial width-to-height ratio (fWHR) measurement, (d) information on photography parameters, (e) perceptual norms provided by raters...
2018: PloS One
Ka-Wai Tam, Chi-Tang Ho, Shih-Hsin Tu, Wen-Jui Lee, Ching-Shui Huang, Ching-Shyang Chen, Chih-Hsiung Wu, Chia-Hwa Lee, Yuan-Soon Ho
Vitamin E (Vit. E) is considered an essential dietary nutrient for humans and animals. An enormous body of evidence indicates the biological and protective effects of Vit. E consumption. Tocopherol-associated protein (TAP) is a major tocopherol-binding protein affecting Vit. E stimulation and downstream signaling transduction. However, how Vit. E utilizes TAP as an anti-cancer mechanism remains unclear. Microarray analysis of signature gene profiles in breast cancer cells treated with α-tocopheryl succinate (α-TOS, a Vit...
January 12, 2018: Oncotarget
Mohamed M Abdel-Daim, Ahmed Abdeen
Fipronil (FPN) is a phenylpyrazole insecticide that is extensively used in agriculture and veterinary applications. However, FPN is also a potent environmental toxicant to animals and humans. Therefore, the current study aimed to investigate the protective role of rosuvastatin (ROSU) and vitamin E (Vit E) against FPN-induced hepatorenal toxicity in albino rats. Seven groups with eight rats each were used for this purpose; these groups included the control vehicle group that received corn oil, the Vit E group (1000 mg/kg, orally), the ROSU group (10 mg/kg, orally), the FPN group (20 mg/kg, orally), the FPN-ROSU group, the FPN-Vit E group, and the FPN-Vit E-ROSU group...
February 9, 2018: Food and Chemical Toxicology
Manisha Manmohan, Sabine Müller, Michèle Myriam Rauber, Frank Koberne, H Reisch, Joachim Koster, Richard Böhm, Martin Messelken, Matthias Fischer, Thilo Jakob
Background: Up to 3.5% of the population experience anaphylactic reactions in response to Hymenoptera stings. Current guidelines are in place for the diagnostic workup and follow-up care of patients with Hymenoptera venom anaphylaxis (HVA). However, little is known about the degree of implementation of the recommendations and patient attitudes toward the recommendations in the general patient population. Methods: For the analysis of the follow-up care in real life, a retrospective questionnaire-based study was conducted in unselected patients who had received treatment from an emergency medical response team for HVA, as documented in records of three regional Medical Emergency Response Centers...
2018: Allergo Journal International
Yanlei Wang, Xiang Zhang, Wenqiang Zhang, Hao Dong, Wenjie Zhang, Jiajia Mao, Yong Dai
PURPOSE: The main aim of present study was to prepare the oxaliplatin (OXL)-loaded D-α-Tocopherol polyethylene glycol 1000 succinate (TPGS)-based lipid nanoparticles to enhance the anticancer effect in colon cancer cells. METHODS: The nanoparticles were nanosized and spherical shaped and exhibited controlled release kinetics. Flow cytometer and confocal laser scanning microscopy (CLSM) showed a remarkable uptake of nanoparticles in cancer cells in a time-dependent manner...
January 8, 2018: Pharmaceutical Research
Hossein Amirfakhrian, Seyed Mohammad Abedi, Hossein Sadeghi, Soheil Azizi, Seyed Jalal Hosseinimehr
In this study, we investigated the protective effect of vitamin E against methotrexate (MTX)-induced hepatotoxicity by quantitative liver 99mTc-phytate uptake and liver imaging and to compare its effect with histopathology in rat. Rats were divided into five groups as control, solvent, Vit E (100 mg/kg), MTX (20 mg/kg), Vit E + MTX and. Vit E was intraperitoneally administrated for 17 days before MTX injection and continued for 4 days. 99mTc-phytate was injected through the tail of rats after the drug administration...
January 10, 2018: Nuclear Medicine Review. Central & Eastern Europe
Niels Grarup, Ida Moltke, Mette K Andersen, Maria Dalby, Kristoffer Vitting-Seerup, Timo Kern, Yuvaraj Mahendran, Emil Jørsboe, Christina V L Larsen, Inger K Dahl-Petersen, Arthur Gilly, Daniel Suveges, George Dedoussis, Eleftheria Zeggini, Oluf Pedersen, Robin Andersson, Peter Bjerregaard, Marit E Jørgensen, Anders Albrechtsen, Torben Hansen
We have identified a variant in ADCY3 (encoding adenylate cyclase 3) associated with markedly increased risk of obesity and type 2 diabetes in the Greenlandic population. The variant disrupts a splice acceptor site, and carriers have decreased ADCY3 RNA expression. Additionally, we observe an enrichment of rare ADCY3 loss-of-function variants among individuals with type 2 diabetes in trans-ancestry cohorts. These findings provide new information on disease etiology relevant for future treatment strategies.
January 8, 2018: Nature Genetics
Giuseppe Di Bella, Biagio Colori, Rosilde Toscano
Breast cancer is the most common cancer and the leading cause of cancer death among women. Despite all efforts, about 11,939 deaths and 50,000 new diagnoses for breast cancer were estimated among Italian women in 2016. Therefore new approaches are needed to improve the survival and higher remission rates. We present a case of a woman with carcinoma of the breast and multiple metastases after right mastectomy, axillary dissection, repeated cycles of chemo and radiotherapy, and estrogen block. Biological method formulated by Prof...
December 4, 2017: Neuro Endocrinology Letters
Yousef Baghcheghi, Farimah Beheshti, Mohammad Naser Shafei, Hossein Salmani, Hamid Reza Sadeghnia, Mohammad Soukhtanloo, Akbar Anaeigoudari, Mahmoud Hosseini
The effects of vitamin E (Vit E) on brain derived neurotrophic factor (BDNF) and brain tissues oxidative damage as well as on learning and memory impairments in juvenile hypothyroid rats were examined. The rats were grouped as: (1) Control; (2) Propylthiouracil (PTU); (3) PTU-Vit E and (4) Vit E. PTU was added to their drinking water (0.05%) during 6 weeks. Vit E (20 mg/kg) was daily injected (IP). Morris water maze (MWM) and passive avoidance (PA) were carried out. The animals were deeply anesthetized and the brain tissues were removed for biochemical measurements...
December 30, 2017: Metabolic Brain Disease
V J Clemente-Suárez, J Mielgo-Ayuso, J L Quiles, A Varela-Lopez, P Aranda
This study was aimed to analyze the effect of two different megadoses of α-tocopherol (vit E) in the antioxidant activity and red and white blood series of Wistar rats after a 180-min ultraendurance probe. Three groups of 10 rats were analyzed; VEAG: acute administration of a megadoses of 5,000 IU/kg of vit E the day before the probe; VECG: chronic administration of 1,000 IU/kg/day of vit E for 6 days before the probe; CG: placebo administration. VEAG presented white cells, red blood cells, hematocrit, hemoglobin values significantly higher than CG and VECG (p < 0...
December 1, 2017: Physiology International
Merve Karademirci, Ruhusen Kutlu, Ibrahim Kilinc
BACKGROUND: Tobacco smoking contains many toxic, carcinogenic and mutagenic chemicals, as well as stable and unstable free radicals. In this study, we aimed to assess the vitamin E, vitamin C and total antioxidant status (TAS), total oxidant status (TOS), oxidative stress index (OSI) in smoking and non-smoking men. MATERIALS AND METHODS: This case-control analytical study was conducted on 78 smoking and 82 non-smoking men. Fagerström nicotine-dependence test was used to assess the participants' addiction status...
December 16, 2017: Clinical Respiratory Journal
M Hedayati, S Niazmand, M Hosseini, Y Baghcheghi, F Beheshti, S Niazmand
OBJECTIVES: The objective of this study was to evaluate the effect of vitamin E on the oxidative stress parameters and antioxidant defense enzymes in the heart and aorta of 6-n-propylthiouracil (PTU)-induced hypothyroid rats. METHODS: The animals were divided into 4 experimental groups: Group 1 (Euthyroid) received tap water, Group 2 (Hypothyroid) received 0.05 % of PTU in dissolved in their drinking water, Group 3 (PTU+Vit E) hypothyroid rats treated with vitamin E, and Group 4 (Euthyroid+Vit E)...
October 26, 2017: Endocrine Regulations
Ill-Min Chung, Jae-Kwang Kim, Jin-Hee Yang, Ji-Hee Lee, Sung-Kyu Park, Na-Young Son, Seung-Hyun Kim
This study examined the effects of soil type and fertilizer regimes on variations in fatty acids (FAs) and vitamin E (Vit-E) in 6-year-old ginseng roots. We observed significant variation in both FA and Vit-E contents owing to the type and quantity of organic fertilizer used in each soil type during cultivation. Unsaturated FAs were approximately 2.7-fold higher in ginseng than in saturated FAs. Linoleic, palmitic, and oleic acids were the most abundant FAs detected in ginseng roots. Additionally, α-tocopherol was the major Vit-E detected...
December 2017: Food Research International
Martin Mihaljevič, Alice Jarošíková, Vojtěch Ettler, Aleš Vaněk, Vít Penížek, Bohdan Kříbek, Vladislav Chrastný, Ondra Sracek, Jakub Trubač, Miroslav Svoboda, Imasiku Nyambe
The copper (Cu) content and isotopic composition were studied in soils and in pine tree rings at locations close to and far from the Cu smelter, located at Kitwe, Zambia. The soil in the remote area contained 25-75mgkg-1 Cu, whereas the soil close to the smelter contained 207-44,000mgkg-1 Cu. The δ65 Cu at the remote area and close to the smelter varied in the range -0.40 to -0.11‰, and -0.44 to 0.01‰ respectively. The δ65 Cu of the surface soil at both profiles (-0.44 to -0.40‰) is similar to the isotopic composition of the concentrates processed in the smelter (-0...
April 15, 2018: Science of the Total Environment
R Kumar, R S Brar, H S Banga
The present study was undertaken to investigate the toxic effects of higher doses (1,00,000 IU i.e. 2.5 mg/kg body weight (BW)) of vitamin D3 , concomitantly with bacterial endotoxins (lipopolysaccharides: LPS) to study the immunomodulatory potential of vitamin D3 in IBL-80 broiler chicks. The chicks were divided into four groups [group I (NSS), group II (LPS), group III (Vit. D3 + NSS), and group IV (Vit. D3 + LPS)] containing eight chicks in each group, treated accordingly for 21 days. Birds were kept under close observation for apparent clinical signs and symptoms...
2017: Iranian Journal of Veterinary Research
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