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[ÇóÖú] ÇóÖúÎÄÏ×Food and Chemical Toxicology 78 (2015) 42¨C51ÊÇ·ñ±»SCIÊÕ¼

×÷ÕߣºXinWang, Yang Liu, Ling-Ling He , Bin Liu, Si-Yi Zhang, Xiu Ye, Jiao-Jiao Jing, Jin-Feng Zhang, Ming Gao, XinWang
ÌâÄ¿£ºSpectroscopic investigation on the food components¨Cdrug interaction: The influence of flavonoids on the affinity of nifedipine to human serum albumin
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±êÌâ: Spectroscopic investigation on the food components-drug interaction: The influence of flavonoids on the affinity of nifedipine to human serum albumin.
×÷Õß: Wang, Xin; Liu, Yang; He, Ling-Ling; Liu, Bin; Zhang, Si-Yi; Ye, Xiu; Jing, Jiao-Jiao; Zhang, Jin-Feng; Gao, Ming; Wang, Xin
À´Ô´³ö°æÎï: Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association
¾í: 78
Ò³: 42-51
DOI: 10.1016/j.fct.2015.01.026
³ö°æÄê: 2015-Apr
ÕªÒª: Nifedipine (NDP) is used extensively for the clinical treatment of a number of cardiovascular diseases. Herein, the interaction between human serum albumin (HSA) and NDP and the influence of flavonoids, rutin and baicalin, on their binding properties were investigated in vitro by means of fluorescence and absorption spectroscopy. The fluorescence of HSA was quenched remarkably by NDP and the quenching mechanism was considered as static quenching by forming a complex. The results of thermodynamic parameters indicate that both hydrogen bonds and hydrophobic interactions play the main role in the binding process and the binding process was spontaneous. The binding distance between the amino acid residue of HSA and NDP is 2.608nm, which indicates that the energy transfer from HSA to NDP can occur with high probability. The decreased association constants and the increased binding distance of NDP binding to HSA in the presence of flavonoids were both due to their competitive binding to the site I of HSA. The results obtained from synchronous fluorescence and three-dimensional fluorescence spectra showed that the interaction between HSA and NDP caused the conformational changes of HSA and the synergism effects of NDP and flavonoids induced the further conformational changes of HSA. Copyright 2015 Elsevier Ltd. All rights reserved.
PubMed ID: 25656645
ÎÄÏ×ÀàÐÍ: Journal Article
ÓïÖÖ: English
µØÖ·: School of Pharmaceutical Sciences, Liaoning University, Shenyang 110036, China.
·ÖÖ÷Ìâ×Ó¿â: Index Medicus
¹Ø¼ü´ÊÁбí: Flavonoids; Fluorescence spectroscopy; Food components-drug interaction; Human serum albumin; Nifedipine
ISSN: 1873-6351
NLM Ψһ ID: 8207483
¹ú¼Ò/µØÇø: England
״̬: In-Data-Review
´´½¨ÈÕÆÚ: 23 Mar 2015   
µç×Ó³ö°æ: 02 Feb 2015

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