نتایج جستجو برای: peroxidasepolyphenol oxidasereactive oxygen species
تعداد نتایج: 697635 فیلتر نتایج به سال:
Plants activate antioxidant defense mechanisms under stress, which help maintaining the structural integrity of cell components and possibly reduces oxidative damage. Low temperature stress leads to the production of reactive oxygen species and oxidative damage to plants. In this study, the effect of putrescine and proline on reducing the production of reactive oxygen species and increasing th...
extremely low frequency (elf) electromagnetic field (elf-emfs) are widely employed in electrical appliances and different equipment such as television sets, elf-emfs can affect biological systems by increasing production ros. the altered balance between ros generation and elimination plays a critical role in a variety of pathologic conditions. ros levels have been observed in several hematopo...
seizure activity has been proposed to result in the generation of reactive oxygen species (ros), which then contribute to seizure-induced neuronal damage and eventually cell death. although the mechanisms of seizure-induced ros generation are unclear, mitochondria and cellular calcium overload have been proposed to have a crucial role. we aim to determine the sources of seizure-induced ros and ...
one of the sacred water tank brahmsarovar, at kurukshetra in india was studied to assess the impact of mass bathing during new moon day (called as amavasya in india) in terms of physico-chemical and biological characteristics. overall water quality index was calculated using online calculator. results have revealed significant (p
background , despite numerous studies over a decade, it still remains controversial about the biological effects of rf emf emitted by mobile phone telephony. objective , here we investigated the effect of 900 mhz gsm on the induction of oxidative stress and the level of intracellular reactive oxygen species (ros) in human mononuclear cells, monocytes and lymphocytes as defence system cells. met...
objective(s):many studies have reported that tea consumption decreases cardiovascular risk, but the mechanisms remain unclear. green tea is known to have potent antioxidant and free radical scavengingactivities. this study aimed to investigate whether green tea extract (gte) can protect endothelial progenitors cells (epcs) against oxidative stress through antioxidant mechanisms. materials and m...
this research was conducted in two protect and destroy region in the middle zagros, in illam province. in order to identification of ecological species group and evaluate density of regeneration, effect of many factors such as protection, vegetation, physiographic factors, physical and chemical properties of soil in study locations were studied. to achieve these purpose number of 54 plots using...
سندروم تخمدان پلی کیستیک (polycystic ovary syndrome (pcos)) شایع ترین اندوکرینوپاتی در زنان است که 10-5% زنان در سنین باروری را مبتلا می کند و در حدود 20% از علل ناباروری زوجین را به خود اختصاص می دهد. براساس مطالعاتی که به تازگی صورت گرفته است ارتباط معناداری بین بروز استرس اکسیداتیو و pcos وجود دارد. در مواردی از آسیب های سیستم تولید مثلی مانند اندومتریوزیس و pcos دخالت سایتوکین های التهابی i...
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