Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces

Kholmirzo T. Kholmurodov, Ermuhammad B. Dushanov, Evgenii A. Krasavin, Hagar K. Hassan, Hadeer A. ElHabashy, Ahmed Galal, Nasser H. Sweilam, Kenji Yasuoka

Research output: Chapter in Book/Report/Conference proceedingChapter

3 Citations (Scopus)

Abstract

The understanding of the mechanism of DNA interactions and bindingwith metallic nanoparticles (NPs) and surfaces represents a great interestin today medicine applications due to diagnostic and treatment ofoncology diseases. Recent experimental and simulation studies involvethe DNA interaction with highly localized proton beams or metallic NPs(such as Ag, Au, etc.), aimed on targeted cancer therapy through the injectionof metal micro- or nanoparticles into the tumor tissue with conse- quent local microwave or laser heating. The effects of mutational structurechanges in DNA and protein structures could result in destroying ofnative chemical (hydrogen) bonds or, on the contrary, creating of newbonds that do not normally exist there. The cause of such changes mightbe the alteration of one or several nucleotides (in DNA) or the substitutionof specific amino acid residues (in proteins), that can brought to theessential structural destabilization or unfolding. At the atomic or molecularlevel, the replacement of one nucleotide by another (in DNA doublehelices)or replacement of one amino acid residue by another (in proteins)cause essential modifications of the molecular force fields of theenvironment that break locally important hydrogen bonds underlying thestructural stability of the biological molecules. In this work, the moleculardynamics (MD) simulations were performed on four DNA modelsand the flexibilities of the purine and pyrimidine nucleotides during theinteraction process with the metallic NPs and TiO2 surface were clarified.

Original languageEnglish
Title of host publicationModels in Bioscience and Materials Research: Molecular Dynamics and Related Techniques
PublisherNova Science Publishers, Inc.
Pages167-200
Number of pages34
ISBN (Print)9781628080520
Publication statusPublished - 2013

Fingerprint

Metal Nanoparticles
Molecular Dynamics Simulation
Molecular dynamics
Nanoparticles
DNA
Computer simulation
Hydrogen
Hydrogen bonds
Nucleotides
Pyrimidine Nucleotides
Purine Nucleotides
Amino Acids
Laser heating
Proteins
Microwave heating
Proton beams
Beam plasma interactions
Microwaves
Heating
Medicine

Keywords

  • DNA
  • Molecular dynamics simulations
  • Mutation effects
  • Nanoparticles
  • Surfaces
  • Titanium dioxide

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)

Cite this

Kholmurodov, K. T., Dushanov, E. B., Krasavin, E. A., Hassan, H. K., ElHabashy, H. A., Galal, A., ... Yasuoka, K. (2013). Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces. In Models in Bioscience and Materials Research: Molecular Dynamics and Related Techniques (pp. 167-200). Nova Science Publishers, Inc..

Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces. / Kholmurodov, Kholmirzo T.; Dushanov, Ermuhammad B.; Krasavin, Evgenii A.; Hassan, Hagar K.; ElHabashy, Hadeer A.; Galal, Ahmed; Sweilam, Nasser H.; Yasuoka, Kenji.

Models in Bioscience and Materials Research: Molecular Dynamics and Related Techniques. Nova Science Publishers, Inc., 2013. p. 167-200.

Research output: Chapter in Book/Report/Conference proceedingChapter

Kholmurodov, KT, Dushanov, EB, Krasavin, EA, Hassan, HK, ElHabashy, HA, Galal, A, Sweilam, NH & Yasuoka, K 2013, Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces. in Models in Bioscience and Materials Research: Molecular Dynamics and Related Techniques. Nova Science Publishers, Inc., pp. 167-200.
Kholmurodov KT, Dushanov EB, Krasavin EA, Hassan HK, ElHabashy HA, Galal A et al. Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces. In Models in Bioscience and Materials Research: Molecular Dynamics and Related Techniques. Nova Science Publishers, Inc. 2013. p. 167-200
Kholmurodov, Kholmirzo T. ; Dushanov, Ermuhammad B. ; Krasavin, Evgenii A. ; Hassan, Hagar K. ; ElHabashy, Hadeer A. ; Galal, Ahmed ; Sweilam, Nasser H. ; Yasuoka, Kenji. / Molecular dynamics simulations of the DNA interaction with metallic nanoparticles and TiO2 surfaces. Models in Bioscience and Materials Research: Molecular Dynamics and Related Techniques. Nova Science Publishers, Inc., 2013. pp. 167-200
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AU - Hassan, Hagar K.

AU - ElHabashy, Hadeer A.

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