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Current Computer-Aided Drug Design

Editor-in-Chief

ISSN (Print): 1573-4099
ISSN (Online): 1875-6697

Research Article

Prospects of Wedelolactone as a Chemotherapeutic Agent in Gynecological Cancers; Clue From its In Vitro and In Silico Investigation

Author(s): Sadia Sarwar*, Tauqeer Amed, Neelum Gul Qazi, Jun Qing Yu and Fazlul Huq

Volume 16, Issue 4, 2020

Page: [365 - 375] Pages: 11

DOI: 10.2174/1573409915666191015113134

Price: $65

Abstract

Background: Identification and development of new drug candidates to be used singly or in combination therapy is critical in anticancer research. In recent years, accumulating evidence encouraged us to investigate the anti-proliferative effects of a small and emerging phytochemical Wedelolactone (WDL) in estrogen-dependent and independent multiple gynecological tumor models.

Objective: The aim of this study was to investigate the growth inhibitory effect of WDL on estrogen- dependent and independent gynecological cell lines and to explore its inhibitory potential towards key targets through in silico study.

Methods: Cytotoxicity of WDL was investigated in human breast and ovarian cancer cell lines (MCF-7 and SKOV3) through 3-(4,5-Dimethyl-2-thiazolyl)-2, 5-diphenyl-2H-tetrazolium bromide (MTT) reduction assay. Epigallocatechingallate (EGCG) was used as reference natural compound while cisplatin was taken as a standard clinical agent. Both WDL and EGCG in combination with cisplatin were also evaluated for their combined growth inhibitory potential in MCF-7 cells. WDL was also evaluated in silico against key factors including braf kinases, CDPK, ERα, aromatase, topoisomerase II and dihydrofolate reductase (DHFR) playing pivotal roles in driving multiple tumors.

Results and Discussion: The IC50 value of WDL was 25.77 ± 4.82 μM and 33.64 ± 1.45 μM in MCF-7 and SKOV-3 respectively. The binding energy order was as follows; WDL: DHFR >Braf kinases > CDPK; aromatase > topoisomerase II> ERα > NFkB > alkaline phosphatase; EGCG dihydrofolatereductase (DHFR) > aromatase >CDPK > topoisomerase II > braf kinases > alkaline phosphatase > CDPK > ERα > NFkB.

Conclusion: We identified WDL as a cytotoxic agent in breast and ovarian tumor models with the potential to inhibit multiple targets in the oncogenic pathway including estrogen receptor ERα, as depicted through its in silico study. Based on our own research findings and from literature evidence, we conclude that further research should be encouraged to investigate different aspects of wedelolactone as an additional agent to be combined with antiestrogen/endocrine therapy.

Keywords: Cytotoxic agent, ovarian cancer, wedelolactone, epigallocatechingallate, topoisomerase, phytochemicals.

Graphical Abstract
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