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- W2944270186 abstract "A series of steroidal thiazolidinone derivatives have been synthesized through one-pot multicomponent reaction involving steroidal ketone, thiosemicarbazide/methyl-thiosemicarbazide and DMAD in presence of AlCl3 as a Lewis acid catalyst. Among all the synthesized steroidal thiazolidinone derivatives, compound 7-9 (ST 7-9) were investigated for their in vitro molecular interaction with human serum albumin. Intrinsic fluorescence spectroscopy, constant wavelength synchronous fluorescence spectroscopy, circular dichroism and UV-visible absorption techniques have been exploited to characterize the binding phenomena in phosphate buffer solution at pH 7.4. The experimental results indicated that ST 7-9 bind to HSA and the intrinsic fluorescence of HSA was quenched through static quenching mechanism. The binding parameters were calculated and the binding constants obtained were 1.44 × 105 M-1 for ST 7, 0.84 × 105 M-1 for ST 8 and 1.06 × 105 M-1 for ST 9. Circular dichroism analysis confirms that the presence of ST 7-9, altered the secondary structure of HSA due to partial unfolding of the polypeptide chain. Furthermore, hemolytic activity assay demonstrated that the synthesized steroidal thiazolidinone derivatives have good compatibility towards human red blood cells. Finally, molecular docking studies revealed that the steroidal thiazolidinones can bind in the hydrophobic cavity of HSA, by hydrophobic and hydrogen bonding interaction. These results provided valuable information about the binding mechanism of ST 7-9 with HSA and play a pivotal role in the development of steroidal heterocycle inspired compounds." @default.
- W2944270186 created "2019-05-16" @default.
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- W2944270186 creator A5054799154 @default.
- W2944270186 creator A5078624958 @default.
- W2944270186 creator A5085188070 @default.
- W2944270186 date "2019-08-01" @default.
- W2944270186 modified "2023-09-26" @default.
- W2944270186 title "Steroidal thiazolidinone derivatives: Design, synthesis and their molecular interaction with human serum albumin" @default.
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- W2944270186 doi "https://doi.org/10.1016/j.steroids.2019.02.015" @default.
- W2944270186 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31082411" @default.
- W2944270186 hasPublicationYear "2019" @default.
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