Abstract
Amongst a wide range of biological macromolecules, saccharides exhibit the potential to be specifically recognized by cell-surface receptors and hence can be utilized as ligands in targeted drug delivery. The current study aims to use saccharides viz. Galactose, Pectin and Chitosan to improve targeting of Atenolol by oxalyl chloride mediated grafting. Conjugates were engineered by grafting Atenolol, a cardiovascular agent with the modified saccharide units. The conjugates were characterized by FTIR, DSC and 1H NMR study. Drug release analysis and cellular uptake study was carried out using H9c2 cell lines which represent that concentration of drug in cells treated with all atenolol-saccharide conjugates is enhanced by almost two-folds in comparison with cells treated with atenolol solution. Thus cell line study confers the evidence of selective cardiac delivery. No significant cytotoxicity was observed in case of all synthesized conjugates in the Brine shrimp lethality bioassay. Possible binding of the developed conjugates with the GLUT-4 receptors was assessed by in silico analysis using homology model developed by Swiss Model server. Hence it was concluded that the application of these conjugates with saccharides in selective cardiovascular drug delivery can be a promising approach to increase bioavailability, minimize drug loss by degradation and prevent harmful side effects by increasing specific cell targeting.
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Acknowledgements
Authors are thankful to the Principal, Ashokrao Mane College of Pharmacy, Peth Vadgaon, for providing facility to carry out this research project. Authors are thankful to Principal, DSTS Mandal’s College of Pharmacy, Solapur and Bharati Vidyapeeth College of Pharmacy, Kolhapur for supporting this research work.
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Kumbhar, S.T., Patil, S.S. & Bhatia, M.S. In silico design and pharmacological evaluation of conjugates of atenolol with modified saccharide for cardiovascular targeting. Glycoconj J 38, 261–271 (2021). https://doi.org/10.1007/s10719-021-09983-x
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DOI: https://doi.org/10.1007/s10719-021-09983-x