کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9891232 | 1540398 | 2005 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Two analytical methods to study the interaction of AGEs with cell surface proteins
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کلمات کلیدی
FCSchicken egg albuminFTICR-MS2,4-DNPHRFUreceptor for AGEsRAGEAGEsHSAFITCESIDMEM2,4-dinitrophenyl hydrazine - 2،4-دینیتروفنیل هیدرازینBSA - BSACeA - CEAhuman serum albumin - آلبومین سرم انسانیbovine serum albumin - آلبومین سرم گاوfoetal calf serum - سرم گوساله جنینFourier transform ion cyclotron resonance mass spectrometry - طیف سنجی جرمی رزونانس یون سی یونیت تبدیل فوریهfluorescein isothiocyanate - فلوئورسین ایسوتیوسیاناتFlow cytometry - فلوسیتومتریAdvanced glycation end products - محصولات نهایی پیشرفته گلیساسیونRelative Fluorescence Units - واحد فلورسانس نسبیelectrospray ionization - یونیزاسیون الکترو اسپری
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
Advanced glycation end products (AGEs) are sugar-modified proteins that are known to appear in vivo and are suspected to be involved in the pathogenesis of several diseases. Although different cellular responses to AGEs can be measured in cell culture studies, knowledge about the nature of AGE-binding and their cell surface receptors is poor. In the present paper a method for the purification of AGE-binding proteins from membrane fractions derived from different rat organs as well as a method for assaying the binding of fluorescein labelled AGEs to the surface of cells of different cell lines are described. The presence of more than 10 proteins interacting with AGEs could be shown in membrane fractions obtained from rat organs. Additionally, binding of AGE-modified BSA to different cells could be shown using fluorescence-labelled ligands in a flow cytometric approach. The presented methods provide an option to isolate AGE-interacting proteins which is a precondition for the identification of these proteins. Furthermore, the measurement of AGE-binding to cell surfaces bears the potential to gain a deeper understanding about the nature of AGE-binding to cell surface proteins and might be applied as a preliminary test before performing cell culture studies about AGE effects.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Biochemical and Biophysical Methods - Volume 65, Issues 2â3, 31 December 2005, Pages 121-136
Journal: Journal of Biochemical and Biophysical Methods - Volume 65, Issues 2â3, 31 December 2005, Pages 121-136
نویسندگان
Annett Schmitt, Ina Meiners, Johannes Schmitt, Joachim Nöller, Christian Ihling, Gerald Münch, Andrea Sinz, Karen Nieber,