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Deprecated: Implicit conversion from float 300.79999999999995 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Polymers+(Basel) 2021 ; 13 (7): ä Nephropedia Template TP
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Synthesis and Characterization of a Minophosphonate Containing Chitosan Polymer Derivatives: Investigations of Cytotoxic Activity and in Silico Study of SARS-CoV-19 #MMPMID33810568
Packialakshmi P; Gobinath P; Ali D; Alarifi S; Alsaiari NS; Idhayadhulla A; Surendrakumar R
Polymers (Basel) 2021[Mar]; 13 (7): ä PMID33810568show ga
Chitosan is broadly used as a biological material since of its excellent biological activities. This work describes investigations of chitosan interaction with SARS-CoV-2, which is occupied by human respiratory epithelial cells through communication with the human angiotension-converting enzyme II (ACE2). The beta-chitosan derivatives are synthesized and characterized by FT-IR, nuclear magnetic resonance ((1)H and (13)C NMR), mass spectrometry, X-ray diffraction, TGA, DSC, and elemental analysis. The beta-chitosan derivatives were screened for cytotoxic activity against the HepG2 and MCF-7 (breast) cancer cell lines. Compound 1h (GI(50) 0.02 microM) is moderately active against the HepG2 cancer cell line, and Compound 1c is highly active (GI(50) 0.01 microM) against the MCF-7 cancer cell line. In addition, chitosan derivatives (1a-1j) docking against the SARS coronavirus are found by in-silico docking analysis. The findings show that compound 1c exhibits notable inhibition ability compared with other compounds, with a binding energy value of -7.9 kcal/mol. Based on the molecular docking results, the chitosan analog is proposed to be an alternative antiviral agent for SARS-CoV2.