Cytotoxic and apoptotic effects of root extract and tanshinones isolated from Perovskia abrotanoides Kar

Zaker, Arehzoo and Asili, Javad and Abrishamchi, Parvaneh and Tayarani-Najaran, Zahra and Mousavi, Seyed Hadi (2017) Cytotoxic and apoptotic effects of root extract and tanshinones isolated from Perovskia abrotanoides Kar. Iranian Journal of Basic Medical Sciences, 20 (12). pp. 1377-1384.

IJBMS_Volume 20_Issue 12_Pages 1377-1384.pdf

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Objective(s):Perovskia abrotanoides Kar., from family Lamiaceae, is a little known medicinal plant growing in various regions of Iran. In the present study, cryptotanshinone (CT), tanshinone 2A (Tan2A), and hydroxycryptotanshinone (HCT) were isolated and purified from the roots of P. abrotanoides. In addition, cytotoxic and apoptotic effects of total root extract (TE) and three purified tanshinones were investigated in human cervical carcinoma (HeLa) and human breast cancer (MCF-7) cell lines. Materials and Methods: Alamar Blue® assay was used to determine cell viability. Cell apoptotic rate was detected using propidium iodide staining of DNA fragmentation by flow cytometry (sub-G1 peak). The PARP cleavage, as the sign of apoptosis, was investigated by Western blotting. Results: The results revealed that CT, Tan2A, HCT, and TE exhibited significant cytotoxicity in cancer cell lines. All of these compounds caused apoptosis in treated cells and induced sub-G1 peak in the related flow cytometry histograms. HCT was found to have the highest anti-proliferative activity on cancer cells. Western blotting analysis showed cleavage of PARP protein in MCF-7 cells treated with purified tanshinones and TE after 48 hr contact with cells. Conclusion: The findings suggest that root extract of P. abrotanoides and purified tanshinones especially Tan2A and HCT have cytotoxic and apoptotic effects against cancer cell lines. So, they may serve as potential cytotoxic agents for future investigations.

Item Type: Article
Subjects: QV pharmacology
Divisions: Journals > Iranian J Neonatology
Depositing User: ijbms ijbms
Date Deposited: 24 Dec 2017 16:06
Last Modified: 24 Dec 2017 16:06

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