Optimizing the aryl-triazole of cjoc42 for enhanced gankyrin binding and anti-cancer activity
Dipti Kanabar1, Pamela Farrales1, Abbas Kabir1
1Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY 11439, USA.
Abstract:
Gankyrin is an oncoprotein overexpressed in numerous cancer types and appears to play a key role in regulating cell proliferation, cell growth, and cell migration. These roles are largely due to gankyrin's protein-protein interaction with the 26S proteasome. We previously published a study exploring the aryl sulfonate ester of cjoc42 in an effort to enhance gankyrin binding and inhibit cancer cell proliferation. In order to further improve the gankyrin binding ability of the cjoc42 scaffold, an extensive SAR for the aryl-triazole moiety of cjoc42 was developed. Our cjoc42 derivatives exhibited enhanced gankyrin binding, as well as enhanced antiproliferative activity against Hep3B, HepG2, A549, and MDA-MB-231 cancer cell lines.
Insights
Researchers developed new cjoc42 derivatives to improve gankyrin binding and inhibit cancer cell proliferation. These compounds showed enhanced binding and significant antiproliferative effects in multiple cancer cell lines.
Area of Science:
- Oncology
- Molecular Biology
- Medicinal Chemistry
Background:
- Gankyrin is an oncoprotein overexpressed in various cancers, regulating cell proliferation, growth, and migration.
- Gankyrin's interaction with the 26S proteasome is crucial for its oncogenic functions.
- Previous studies explored cjoc42 derivatives to target gankyrin and inhibit cancer cell proliferation.
Purpose of the Study:
- To further enhance the gankyrin binding ability of the cjoc42 scaffold.
- To develop novel cjoc42 derivatives with improved antiproliferative activity against cancer cells.
Main Methods:
- Extensive structure-activity relationship (SAR) studies were conducted on the aryl-triazole moiety of cjoc42.
- Synthesis and evaluation of novel cjoc42 derivatives.
- Assessment of gankyrin binding affinity and antiproliferative activity in various cancer cell lines (Hep3B, HepG2, A549, MDA-MB-231).
Main Results:
- The developed cjoc42 derivatives demonstrated enhanced binding to gankyrin.
- Significant antiproliferative activity was observed for these derivatives against Hep3B, HepG2, A549, and MDA-MB-231 cancer cell lines.
- The SAR studies identified key modifications in the aryl-triazole moiety that contribute to improved efficacy.
Conclusions:
- Novel cjoc42 derivatives exhibit potent gankyrin binding and antiproliferative properties.
- These compounds represent promising candidates for further development as anti-cancer therapeutics targeting gankyrin.
- The findings provide a basis for the rational design of future gankyrin inhibitors.
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