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   Studying the chemical reactivity properties of the target tumor-environment tripeptides NGR (asparagine-glycine-arginine) and RGD (arginine-glycine-aspartic acid) in their interactions with tamoxifen through conceptual density functional theory  
   
نویسنده Linda-Lucila Landeros-Martínez ,Daniel Glossman-Mitnik ,Norma Flores-Holguín
منبع journal of molecular modeling - 2018 - دوره : 24 - شماره : 12 - صفحه:0 -0
چکیده    here, we report theoretical research into the interaction of the drug tamoxifen drug with tripeptides found in the tumor environment—specifically, asparagine-glycine-arginine (ngr) and arginine-glycine-aspartic acid (rgd). reactivity parameters of these tripeptides were calculated and their intrinsic reactivities and cross-reactivities were analyzed. the interactions of the tripeptides with the nanodiamond–tamoxifen (nd-tam) complex where the nanodiamond acts as a nanocarrier were also examined theoretically. in addition, their intestinal absorption was predicted based on the polar surface area. the results showed that tamoxifen interacts with rgd, and this interaction remained after the addition of the nanodiamond. an analysis of the chemical hardnesses of the tripeptides was carried out to explore their possible use as synthetic vectors when joined to the nanodiamond. results indicated that ngr is the most stable of the tripeptides and could be used for active targeting. all calculations were implemented using the conceptual framework of density functional theory.
کلیدواژه Tripeptides ,Molecular modeling ,Density functional theory
آدرس Centro de Investigación en Materiales Avanzados, Laboratorio Virtual NANOCOSMOS, Departamento de Medio Ambiente y Energía, Mexico, Centro de Investigación en Materiales Avanzados, Laboratorio Virtual NANOCOSMOS, Departamento de Medio Ambiente y Energía, Mexico, Centro de Investigación en Materiales Avanzados, Laboratorio Virtual NANOCOSMOS, Departamento de Medio Ambiente y Energía, Mexico
 
     
   
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