کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9645128 | 1433683 | 2005 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Immunochemical crossreactivity of antibodies specific for “advanced glycation endproducts” with “advanced lipoxidation endproducts”
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کلمات کلیدی
KLHMDAFFICMLTBSCelBSA - BSAROS - ROSbovine serum albumin - آلبومین سرم گاوCarbonyl stress - استرس کربونیلALE - اماAlzheimer’s disease - بیماری آلزایمرTris buffered saline - تریس نمک بافرOxidative stress - تنش اکسیداتیوAge - سنGold - طلاMold - قالبmalondialdehyde - مالون دی آلدهیدAdvanced glycation endproducts - محصولات نهایی گلیساسیون پیشرفتهAdvanced glycation endproduct - پایان محصول گلیکسیkeyhole limpet hemocyanin - کلم هول limpet هموسیانینGlycation - گلیکاسیون، گلیکیشن، گلایکیشنReactive oxygen species - گونههای فعال اکسیژن
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
سالمندی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Antibodies against advanced glycation endproducts (AGEs) are used for their immunohistological localization in tissues, for example in Alzheimer's disease (AD) or diabetes. Many monoclonal and polyclonal antibodies have been used, and their specificity is unknown in most cases. Increased radical production, leading to the formation of lipid-derived reactive carbonyl species, such as malondialdehyde (MDA), acrolein, and glyoxal, is a characteristic aspect of age-related diseases like Alzheimer's disease or diabetic polyneuropathy. These reactive carbonyl species are able to modify proteins, resulting in AGE related structures, termed “advanced lipoxidation products” (ALEs). In this study, the monoclonal carboxymethyllysine-specific antibody 4G9 and the polyclonal AGE-antibody K2189 were tested for their immunoreactivity towards these carbonyl-derived protein modifications. To investigate which carbonyl-modified amino acid side chains are specifically recognized by these antibodies, peptide membranes were incubated with glyoxal, MDA and acrolein. As model proteins, microtubuli associated protein tau (MAP-tau), β-amyloid, human serum albumin and chicken egg albumin were incubated likewise. It was found that both antibodies detected reaction products of these carbonyl compounds on lysine- and arginine residues and for the protein modification, it was found that some epitopes might not be detected. In conclusion, AGE-antibodies might not only detect sugar-derived AGEs but also structures derived from lipid peroxidation products (serving as markers of oxidative stress).
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neurobiology of Aging - Volume 26, Issue 4, April 2005, Pages 465-474
Journal: Neurobiology of Aging - Volume 26, Issue 4, April 2005, Pages 465-474
نویسندگان
Torsten Richter, Gerald Münch, Hans-Joachim Lüth, Thomas Arendt, Rosemarie Kientsch-Engel, Peter Stahl, Dörte Fengler, Björn Kuhla,