5,157 results match your criteria: "Vitamin E Toxicity"

The Preventive Effect of Zinc Sulfate against Olanzapine-Induced Testicular Toxicity in Male Rats.

Biol Trace Elem Res

December 2024

Institute of Specific Prophylaxis and Tropical Medicine [ISPTM], Center for Pathophysiology, Infectiology and Immunology [CePII], Ocular Immunology & Infectiology, Medical University of Vienna, Vienna, Austria.

Male infertility is a complex and multifactorial clinical condition affecting a large population attributed to several factors, including perturbation in oxidative stress and the level of essential trace elements. Oxidative stress exerts multiple issues related to reproductive health, including male infertility, decreased sperm motility, sperm DNA damage, and an increased susceptibility to genetic disorders. Besides chemical toxins and food allergens in junk food items, many drugs can also lead to male infertility.

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Mercury is a highly toxic metal that causes a variety of neurological disorders through oxidative stress. Allium sativum, a cooking spice in diverse cultures around the world, has a long history of medicinal use due to its rich antioxidant constituents. This study was designed to evaluate the protective activity of aqueous Allium sativum bulb extract (ASBE) on mercuric chloride (HgCl)-induced neurotoxicity.

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Background: Misusing alcohol can cause damage to different tissues in the body, resulting in conditions like alcoholic liver disease, pancreatitis, cardiomyopathy, neurotoxicity, muscle wasting, weakened immune system, hormonal disruptions, birth defects, and bone loss. The objective of this research was to evaluate how alcohol affects the exocrine pancreas histology and the levels of amylase in the blood serum. Additionally, it aimed to explore whether vitamin E provides a safeguard against alcohol-induced harm to the pancreas in rabbits.

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Background: Alcohol consumption can have detrimental effects on the liver, as it plays a crucial role in processing and detoxifying substances in the body, including alcohol. Alcohol has the potential to hinder the liver's capacity, which results in a variety of metabolic imbalances and deficiencies. This research aimed to investigate alterations in the liver tissue due to alcohol administered orally, along with exploring the potential protective effects of vitamin E against these alterations.

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Docosahexaenoate is a cytoprotective ω-3 polyunsaturated lipid that is abundant in the retina and is essential for its function. Due to its six unsaturated double bonds, docosahexaenoate is highly susceptible to oxidation and the formation of products with photosensitizing properties. This study aimed to test on cultured human retinal pigment epithelial cells ARPE-19 the (photo)cytotoxic potential of partly oxidized docosahexaenoate and its effect on the formation of lipofuscin from phagocytosed photoreceptor outer segments (POSs).

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Assessment of the protective effect of vitamin E supplementation on oxidative damage of diabetic rat spleen induced by streptozotocin.

Tissue Cell

December 2024

Pharmacology Research Division, BCSIR Chattogram Laboratories, Bangladesh Council of Scientific and Industrial Research (BCSIR), Chattogram 4220, Bangladesh.

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Objective: Moisturizers are integral to daily skincare routines, reflecting the increasing trend among people towards cosmetic products, particularly for skin care. They significantly contribute to preserving skin health, particularly by regulating the epidermal barrier and moisture levels within the skin. This study aims to explore the moisturizing and antioxidant effect of skin barrier restoring cream Moiz MM (MZ) with shea butter, silkflo and vitamin E by investigating its protective effect against oxidative stress-induced cellular damage and therapeutic mechanisms in human keratinocytes cells (HaCaT).

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Glyphosate, a commonly used herbicide, has been associated with environmental pollution and potential health risks to aquatic organisms. This study investigated the effects of glyphosate on the muscle metabolism of grass carp (Ctenopharyngodon idellus) following exposure to environmentally relevant concentrations. Over a 14-day exposure period to varying glyphosate levels, significant disruptions were observed in antioxidant capacity and muscle health.

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  • * The study created a nanofibrous scaffold using Zein, gelatin, chitosan, and polyvinyl alcohol, which was enhanced with vitamin E, resulting in a significant increase in swelling percentages and varying degradation rates.
  • * The new cross-linked dressing showed promising antibacterial properties, effectively reducing bacteria counts, and is considered a suitable option for sustainable wound care due to its environmentally friendly materials and controlled breakdown.
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Safety of tartrazine in the food industry and potential protective factors.

Heliyon

September 2024

Department of Pharmacology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.

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  • Tartrazine, a food color, raises safety concerns due to its potential toxicity at low exposure levels, prompting more research since EFSA's 2009 and JECFA's 2016 evaluations.
  • The review investigates various toxic effects of tartrazine, including genotoxicity, carcinogenicity, and effects on reproduction and blood health.
  • Although tartrazine appears safe within the accepted daily intake, the evidence for protective factors against its toxic effects is not strong enough to make definitive conclusions.
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  • Acrylamide (ACR) is a toxic substance that causes neurotoxicity in both humans and animals; this study examines the protective effects of aspirin and its metabolite, gentisic acid, against ACR-induced damage in PC12 cells and rats.
  • Experimental procedures included the MTT assay to measure cell viability and various behavioral tests in male Wistar rats divided into groups receiving different treatments over 11 days, including ACR, aspirin, and gentisic acid at various dosages.
  • Results indicated that aspirin and gentisic acid significantly improved cell survival and reversed ACR's harmful effects, demonstrating their potential to mitigate oxidative stress, apoptosis, and autophagy linked to ACR toxicity.
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  • - The study evaluates the anticancer properties of leaf extracts from the woody climber *Unlabelled*, focusing on their cytotoxic effects on different cancer cell lines, including ovarian (PA1) and colorectal (HT29) cancers, while showing low toxicity to normal cells.
  • - Ethyl acetate extracts demonstrated significant cancer cell death and inhibited colony formation, along with indications of apoptosis through cell changes, highlighting selective action against cancer cells.
  • - Molecular docking analyses revealed that compounds identified from the extracts, especially epoxylathyrol, have strong interactions with important apoptotic proteins, suggesting their potential as promising anticancer drug candidates for future research.
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  • - The study investigates how paraquat, an herbicide, negatively affects male reproductive cells in goats, showing reduced cell viability and damaging changes to testicular structure after exposure.
  • - Paraquat exposure leads to increased cell death (apoptosis) and oxidative stress, indicated by elevated Malondialdehyde levels and reduced antioxidant capacity.
  • - Co-administration of Vitamin E significantly alleviates the harmful effects of paraquat on testicular cells, suggesting that Vitamin E could help protect against paraquat's reproductive toxicity in males.
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Bisphenol H exposure disrupts Leydig cell function in adult rats via oxidative stress-mediated m6A modifications: Implications for reproductive toxicity.

Ecotoxicol Environ Saf

October 2024

Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University; Key Laboratory of Pediatric Anesthesiology, Ministry of Education,Wenzhou Medical University; Key Laboratory of Anesthesiology of Zhejiang Province, Wenzhou Medical University. Electronic address:

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  • Poor in vivo characteristics of gambogic acid (GA) and challenges in manufacturing its nanocarriers limit its clinical use.
  • A new nano-drug delivery system has been developed using GA and a combination of oleyl alcohol and vitamin E-polyethylene glycol succinate to improve stability and circulation.
  • This self-assembled nanoparticle system shows high drug-loading capacity and enhanced antitumor efficacy, while also addressing stability and safety issues related to GA.
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Background: Everolimus is a drug approved for the treatment of breast cancer with HR+ and advanced breast cancer reoccurring in postmenopausal women. The oral administration of EVE has been observed to have low oral bioavailability and severe epithelial cutaneous events that include rashes and lip ulceration followed by mouth ulceration after oral administration.

Aim: The present research aimed to enhance the bioavailability by loading the EVE into a stealth liposomal formulation (S-EVE-LIPO) intended for intravenous administration.

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Panax ginseng extract prevents UVB-induced skin photodamage by modulating VMP1-mediated ER stress.

Phytomedicine

November 2024

Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai, China; MOE Innovative Center for New Drug Development of Immune Inflammatory Diseases, Fudan University, China. Electronic address:

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