Investigation on the effect of kosmotropic and chaotropic of zinc and copper ions in vitro fibrillization of human serum albumin
Publish place: 14th Conference on Biophysical Chemistry
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
CBC15_039
تاریخ نمایه سازی: 29 خرداد 1398
Abstract:
Amyloid fibrils, formed by aggregation of improperly folded or intrinsically disordered proteins, are closely related with the pathology of the number of devastating amyloid diseases, such as Alzheimer‟s, Parkinson‟s, and Creutzfeldt−Jakob diseases. Occupational exposure to specific metals, especially copper, lead, iron, zinc, appears to be a risk factor for some of these disease based on epidemiological studies. The interaction of proteins with aqueous solutions of ionic ligands has attracted considerable recent attention. We investigated the interaction of Zn+2 and Cu+2 in chloride salt forms with human serum albumin (HSA) fibrils through ThT fluorescence method under physiological pH. Also, in this work we studied kosmotropic and chaotropic effects of these ions on the protein fibrils. A comparison of the effects of these chloride salts revealed that anions don‟t obserable response in stabilizing HSA fibrils.
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Authors
M Basfahrjani
Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
M Habibi-Rezaei
School of Biology, University of Tehran, Tehran, Iran
A.A Saboury
Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran