Journal of Luminescence, ( ISI ), Volume (130), No (1), Year (2010-8) , Pages (2476-2486)

Title : ( Spectroscopicandnano-molecularmodelinginvestigationonthebinaryand ternary bindingsofcolchicineandlomefloxacintoHumanserumalbumin with theviewpointofmulti-drugtherapy )

Authors: J. Chamani , Ahmad Asoodeh , M. Homayoni-Tabrizi , Z. Amiri Tehranizadeh , A. Baratian , M.R. Saberi , M. Gharanfoli ,

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Combinationofseveraldrugsisoftennecessaryespeciallyduringlong-termtherapy.Thecompetitive bindingdrugscancauseadecreaseintheamountofdrugboundtoproteinandincreasethebiological activefractionofthedrug.TheaimofthisstudyistoanalyzetheinteractionsofLomefloxacin(LMF) and Colchicine(COL)withhumanserumalbumin(HSA)andtoevaluatethemechanismof simultaneousbindingofLMFandCOLtoprotein.Fluorescenceanalysiswasusedtoestimatethe effect ofdrugsontheproteinfluorescenceandtodefinethebindingandquenchingpropertiesofdrugs- HSA complexes.ThebindingsitesforLMFandCOLwereidentifiedintertiarystructureofHSAwiththe use ofspectrofluorescenceanalysis.TheanalysisoffluorescencequenchingofHSAinthebinaryand ternarysystemsshowthatLMFdoesnotaffectthecomplexformedbetweenCOLandHSA.Onthe contrary,COLdecreasestheinteractionbetweenLMFandHSA.Theresultsofsynchronousfluorescence, resonancelightscatteringandcirculardichroismspectraofbinaryandternarysystemsshowthat bindingofLMFandCOLtoHSAcaninducemicro-environmentalandconformationalchangesinHSA. The simultaneouspresenceofLMFandCOLinbindingtoHSAshouldbetakenintoaccountinthemulti- drug therapy,andnecessityofusingamonitoringtherapyowningtothepossibleincreaseofthe uncontrolledtoxiceffects.MolecularmodelingofthepossiblebindingsitesofLMFandCOLinbinary and ternarysystemstoHSAconfirmsthespectroscopicresults.

Keywords

HSA Lomefloxacin Colchicine Spectroscopy Molecular
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@article{paperid:1017761,
author = {J. Chamani and Asoodeh, Ahmad and M. Homayoni-Tabrizi and Z. Amiri Tehranizadeh and A. Baratian and M.R. Saberi and M. Gharanfoli},
title = {Spectroscopicandnano-molecularmodelinginvestigationonthebinaryand ternary bindingsofcolchicineandlomefloxacintoHumanserumalbumin with theviewpointofmulti-drugtherapy},
journal = {Journal of Luminescence},
year = {2010},
volume = {130},
number = {1},
month = {August},
issn = {0022-2313},
pages = {2476--2486},
numpages = {10},
keywords = {HSA Lomefloxacin Colchicine Spectroscopy Molecular dynamic},
}

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%0 Journal Article
%T Spectroscopicandnano-molecularmodelinginvestigationonthebinaryand ternary bindingsofcolchicineandlomefloxacintoHumanserumalbumin with theviewpointofmulti-drugtherapy
%A J. Chamani
%A Asoodeh, Ahmad
%A M. Homayoni-Tabrizi
%A Z. Amiri Tehranizadeh
%A A. Baratian
%A M.R. Saberi
%A M. Gharanfoli
%J Journal of Luminescence
%@ 0022-2313
%D 2010

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