نتایج جستجو برای: antioxidant enzymes
تعداد نتایج: 209567 فیلتر نتایج به سال:
Accumulation of reactive oxygen species (ROS) is an important pathogenic mechanism underling the loss of bone mass and strength with aging and other conditions leading to osteoporosis. The transcription factor erythroid 2-related factor2 (Nrf2) plays a central role in activating the cellular response to ROS. Here, we examined the endogenous response of bone regulated by Nrf2, and its relationsh...
Introduction: Antioxidant enzymes protect cells against reactive oxygen species. This study investigated the effects of Curcumin and L-Carnitine supplementation on antioxidant enzymes in the body of basketball players after an acute bout of exercise. Methods: 30 female basketball players participated in this quasi-experimental study. After obtaining written consents, the participants were rand...
Background: Radio frequency wave (RFW) generated by mobile phones and wireless communication systems has been reported to cause adverse effects on reproductive function, vision and hematological parameters, possibly through oxidative stress. The aim of this study was to evaluate the effect of RFW generated bybase transceiver station BTS on oxidative stress in testis, eye and erythrocyte, and th...
Objective: The present study was intended to examine whether administration of aqueous extract of the leaves of Ocimum sanctum L. (Tulsi) do possess a protective effect against cadmium-induced oxidative stress in rat heart. Methods: Male albino rats were divided into four groups; control, cadmium treated, aqueous extract protected and only aqueous extract treated (positive control). The rats we...
Neurodegenerative diseases like Parkinson’s disease (PD),Amyotrophic Lateral Sclerosis (ALS) and Schizophrenia are a group of illness with diverse clinical importance and etiologies. Oxidative stress in which production of highly reactive oxygen species (ROS) and reactive nitrogen species (RNS) overwhelms antioxidant defences, is a feature of many neurological diseases. Lycopene, the most poten...
Mammalian cells have a well-defined set of antioxidant enzymes, which includes superoxide dismutases, catalase, glutathione peroxidases, and peroxiredoxins. Peroxiredoxins are the most recently identified family of antioxidant enzymes that catalyze the reduction reaction of peroxides, such as H2O2. In particular, typical 2-Cys peroxiredoxins are the featured peroxidase enzymes that receive the ...
Objective(s): The objectives of the current study were to evaluate the effects of hepatic ischemia/reperfusion (IR) injury on the activity of antioxidant enzymes, biochemical factors, and histopathological changes in rat kidney, and to investigate the effect of crocin on IR-related changes. Materials and Methods: Thirty-two male Wistar rats were randomly allocated into four groups (n=8). The...
Background and objectives: Hesperetin flavanone is a natural bioflavonoid found abundantly in citrus fruits with antioxidant and anti-inflammatory properties. Nano sizing techniques improve the bioavailability of poorly soluble drugs such as hesperetin. Main feature of Parkinson's disease is the degeneration of dopaminergic neurons in the substantia nigra. The rate of oxidative...
Preterm infants are vulnerable to the oxidative stress due to the production of large amounts of free radicals, antioxidant system insufficiency, and immature oligodendroglial cells. Reactive oxygen species (ROS) play a pivotal role in the development of periventricular leukomalacia. The three most common ROS are superoxide (O2(•-)), hydroxyl radical (OH(•)), and hydrogen peroxide (H2O2). Under...
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