کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1911695 1046829 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Use and abuse of exogenous H2O2 in studies of signal transduction
موضوعات مرتبط
علوم زیستی و بیوفناوری بیوشیمی، ژنتیک و زیست شناسی مولکولی سالمندی
پیش نمایش صفحه اول مقاله
Use and abuse of exogenous H2O2 in studies of signal transduction
چکیده انگلیسی

The goal of this review is to present a rationale for the use of exogenous H2O2, which has been demonstrated to have both toxicological and physiological signaling roles. Reasons for the use of exogenous application of nontoxic concentrations of H2O2 in model systems and caveats for interpretation of the data obtained will both be presented. Briefly, an argument for the cautious use of the addition of exogenous H2O2 is that, because of the permeability of cell membranes to this neutral small molecule, a concentration that is produced locally and that is necessary for the physiological action can be mimicked. On the other hand, it must be recognized that the addition of an agent or its enzymatic generation in the medium may produce reactions that may not normally occur because the total dose of H2O2 and the concentration of H2O2 in some cellular locations will exceed what is normally achieved even under a pathophysiological state. For this reason, this review will try to provide an unbiased balanced pros- and -cons analysis of this issue.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Free Radical Biology and Medicine - Volume 42, Issue 7, 1 April 2007, Pages 926–932
نویسندگان
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