منابع مشابه
Skin Effects of Antioxidants
As other tissues, skin depends on an optimal supply with nutritive compounds. Dermal tissue benefits from dietary antioxidants capable of scavenging reactive intermediates generated under the condition of photooxidative stress. Micronutrients may also act as UV absorbers, or modulate signaling pathways elicited upon UV exposure. Based on their structural features, carotenoids, flavonoids, as we...
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Background : Many studies have focused on oxidative stress induced damage and hence, the protective effects conferred by antioxidants. An example is neurodegenerative diseases which is thought to occur due to neuronal loss associated with oxidative stress. However, some antioxidants such as vitamin E have been shown to also exert pro-oxidative effects at high concentration. Objective : In t...
متن کاملAntioxidants and their Effects in Pregnancy
اکثر ساختارهای سلولی بدن از جمله غشاءها، پروتئین های ساختمانی، آنزیم ها و اسیدهای نوکلئیک نسبت به رادیکالهای آزاد) آسیب پذیر بوده و ممکن است دچار جهش یا مرگ سلولی گردند. رادیکال آزاد، اتم یا مولکولی است که به دلیل دارا بودن یک یا چند الکترون جفت نشده، تمایل به گرفتن الکترون از مواد دیگر دارد. این ویژگی موجب فعال شدن و انجام واکنش رادیکالهای آزاد با سایر مواد می شود رادیکالهای آزاد سوپراکسید...
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Introduction Stimulated human phagocytes produce sister chromatid exchanges in cultured mammalian cells by a mechanism involving oxygen metabolites. Experiments were designed to determine whether antioxidants inhibit this process. Superoxide dismutase, catalase, and hydroxyl radical scavengers (benzoate, mannitol) protected target Chinese hamster ovary cells from phagocyte-induced sister chroma...
متن کاملRenoprotective effects of antioxidants against cisplatin nephrotoxicity
Nephrotoxicity is the major limitation for the clinical use of cisplatin as an anti-tumoural drug. Intracellular effects of cisplatin cause tubular damage and tubular dysfunction with sodium, potassium, and magnesium wasting. Renoperotective strategies against cisplatin are classified on 8 targets: 1) Decrease of cisplatin uptake by renal cell, 2) Inhibition of cisplatin metabolism, 3) Blocking...
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ژورنال
عنوان ژورنال: Journal of The Japan Petroleum Institute
سال: 1958
ISSN: 0582-4664
DOI: 10.1627/jpi1958.1.142