Journal
BMC CHEMISTRY
Volume 15, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13065-021-00735-4
Keywords
Doxorubicin; Paclitaxel; Molecular dynamics; Drug release; Smart drug delivery; Fullerene
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This study investigated the effect of a novel copolymer on drug delivery through molecular dynamics simulation and quantum calculations. The results showed significant improvements in drug release in cancerous tissues and enhanced biocompatibility in healthy tissues. Repeat simulations confirmed the findings from a similar study, suggesting that the copolymer can be a promising candidate for smart drug delivery systems.
Background: The distribution of drugs could not be controlled in the conventional delivery systems. This has led to the developing of a specific nanoparticle-based delivery system, called smart drug delivery systems. In cancer therapy, innovative biocompatible nanocarriers have received much attention for various ranges of anti-cancer drugs. In this work, the effect of an interesting and novel copolymer named dimethyl acrylamide-trimethyl chitosan was investigated on delivery of paclitaxel and doxorubicin applying carboxylated fullerene nanohybrid. The current study was run via molecular dynamics simulation and quantum calculations based on the acidic pH differences between cancerous microenvironment and normal tissues. Furthermore, hydrogen bonds, radius of gyration, and nanoparticle interaction energies were studied here. Stimulatingly, a simultaneous pH and temperature-responsive system were proposed for paclitaxel and doxorubicin for a co-polymer. A pH-responsive and thermal responsive copolymer were utilized based on trimethyl chitosan and dimethyl acrylamide, respectively. In such a dualistic approach, co-polymer makes an excellent system to possess two simultaneous properties in one bio-polymer. Results: The simulation results proposed dramatic and indisputable effects of the copolymer in the release of drugs in cancerous tissues, as well as increased biocompatibility and drug uptake in healthy tissues. Repeated simulations of a similar article performed for the validation test. The results are very close to those of the reference paper. Conclusions: Overall, conjugated modified fullerene and dimethyl acrylamide-trimethyl chitosan (DMAA-TMC) as nanohybrid can be an appropriate proposition for drug loading, drug delivery, and drug release on dual responsive smart drug delivery system.
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