{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T21:07:23Z","timestamp":1785186443620,"version":"3.55.0"},"reference-count":27,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2021,11,10]],"date-time":"2021-11-10T00:00:00Z","timestamp":1636502400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Curcumin and curcuminoids have been discussed frequently due to their promising functional groups (such as scaffolds of \u03b1,\u03b2-unsaturated \u03b2-diketone, \u03b1,\u03b2-unsaturated ketone and \u03b2\u2032-hydroxy-\u03b1,\u03b2-unsaturated ketone connected with aromatic rings on both sides) that play an important role in various bioactivities, including antioxidant, anti-inflammatory, anti-proliferation and anticancer activity. A series of novel curcuminoid derivatives (a total of 55 new compounds) and three reference compounds were synthesized with good yields using three-step organic synthesis. The anti-proliferative activities of curcumin derivatives were examined for six human cancer cell lines: HeLaS3, KBvin, MCF-7, HepG2, NCI-H460 and NCI-H460\/MX20. Compared to the IC50 values of all the synthesized derivatives, most \u03b1,\u03b2-unsaturated ketones displayed potent anti-proliferative effects against all six human cancer cell lines, whereas \u03b2\u2032-hydroxy-\u03b1,\u03b2-unsaturated ketones and \u03b1,\u03b2-unsaturated \u03b2-diketones presented moderate anti-proliferative effects. Two potent curcuminoid derivatives were found among all the novel derivatives and reference compounds: (E)-5-hydroxy-7-phenyl-1-(3,4,5-trimethoxyphenyl)hept-1-en-3-one (compound 3) and (1E,4E)-1,7-bis(3,4,5-trimethoxyphenyl)hepta-1,4-dien-3-one (compound MD12a). These were selected for further analysis after the evaluation of their anti-proliferative effects against all human cancer cell lines. The results of apoptosis assays revealed that the number of dead cells was increased in early apoptosis and late apoptosis, while cell proliferation was also decreased after applying various concentrations of (E)-5-hydroxy-7-phenyl-1-(3,4,5-trimethoxyphenyl)hept-1-en-3-one (compound 3) and (1E,4E)-1,7-bis(3,4,5-trimethoxyphenyl)hepta-1,4-dien-3-one (compound MD12a) to MCF-7 and HpeG2 cancer cells. Analysis of the gene expression arrays showed that three genes (GADD45B, SESN2 and BBC3) were correlated with the p53 pathway. From the quantitative PCR analysis, it was seen that (1E,4E)-1,7-bis(3,4,5-trimethoxyphenyl)hepta-1,4-dien-3-one (compound MD12a) effectively induced the up-regulated expression of GADD45B, leading to the suppression of MCF-7 cancer cell formation and cell death. Molecular docking analysis was used to predict and sketch the interactions of the GADD45B-\u03b1,\u03b2-unsaturated ketone complex for help in drug design.<\/jats:p>","DOI":"10.3390\/ijms222212171","type":"journal-article","created":{"date-parts":[[2021,11,10]],"date-time":"2021-11-10T09:19:21Z","timestamp":1636535961000},"page":"12171","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Design, Synthesis and Evaluation of Novel Derivatives of Curcuminoids with Cytotoxicity"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9844-3843","authenticated-orcid":false,"given":"Chen-Yin","family":"Chen","sequence":"first","affiliation":[{"name":"School of Pharmacy, China Medical University, No. 100, Sec. 1, Jingmao Road, Beitun Dist., Taichung 406040, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1211-0245","authenticated-orcid":false,"given":"Jin-Cherng","family":"Lien","sequence":"additional","affiliation":[{"name":"School of Pharmacy, China Medical University, No. 100, Sec. 1, Jingmao Road, Beitun Dist., Taichung 406040, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chien-Yu","family":"Chen","sequence":"additional","affiliation":[{"name":"School of Pharmacy, China Medical University, No. 100, Sec. 1, Jingmao Road, Beitun Dist., Taichung 406040, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1395-4834","authenticated-orcid":false,"given":"Chin-Chuan","family":"Hung","sequence":"additional","affiliation":[{"name":"School of Pharmacy, China Medical University, No. 100, Sec. 1, Jingmao Road, Beitun Dist., Taichung 406040, Taiwan"},{"name":"Department of Pharmacy, China Medical University Hospital, 2 Yude Road, Taichung 40447, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hui-Chang","family":"Lin","sequence":"additional","affiliation":[{"name":"School of Pharmacy, China Medical University, No. 100, Sec. 1, Jingmao Road, Beitun Dist., Taichung 406040, Taiwan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2021,11,10]]},"reference":[{"key":"ref_1","first-page":"289","article-title":"Curcumin\u2013\u2013Biological and medicinal properties","volume":"1","author":"Vogel","year":"1815","journal-title":"J. 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