Journal
MOLECULES
Volume 26, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/molecules26092661
Keywords
curcumin; resveratrol; hybrid molecules; colorectal cancer; cytotoxicity; antiproliferative activity
Funding
- University of Antioquia
- MINCIENCIAS [FP44842-211-2018, 58537]
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This study synthesized twelve hybrids of curcumin and resveratrol, with compounds 3e, 3i, 3a, 3e, and 3k showing the best cytotoxic activity against human colon adenocarcinoma cells and their metastatic derivatives. These compounds had selectivity indices higher than commonly used drugs and showed good antiproliferative activity.
We synthesized twelve hybrids based on curcumin and resveratrol, and their structures were elucidated by spectroscopic analysis. The chemopreventive potential of these compounds was evaluated against SW480 human colon adenocarcinoma cells, its metastatic derivative SW620, along with the non-malignant CHO-K1 cell line. Among the tested compounds, hybrids 3e and 3i (for SW480) and 3a, 3e and 3k (for SW620) displayed the best cytotoxic activity with IC50 values ranging from 11.52 +/- 2.78 to 29.33 +/- 4.73 mu M for both cell lines, with selectivity indices (SI) higher than 1, after 48 h of treatment. Selectivity indices were even higher than those reported for the reference drug, 5-fluorouracil (SI = 0.96), the starting compound resveratrol (SI = 0.45) and the equimolar mixture of curcumin plus resveratrol (SI = 0.77). The previous hybrids showed good antiproliferative activity.
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