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Cytotoxic Activity and Apoptosis Induction by Gaillardin Maryam Hamzeloo Moghadam

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Cytotoxic Activity and Apoptosis Induction by Gaillardin

Maryam Hamzeloo Moghadama, Farzaneh Naghibib, Azadeh Atoofi b, Mitra Asgharian Rezaiec, Mahboobeh Iranib, and Mahmoud Mosaddeghb,*

a Department of Traditional Pharmacy, School of Traditional Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

b Traditional Medicine and Materia Medica Research Center, Shahid Beheshti University of Medical Sciences, No. 8 Shams Alley, Vali-e-Asr Street, 1516745811, Tehran, Iran. Fax: +98 21-8877-6027.

E-mail: mmosaddegh@itmrc.org

c School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran

* Author for correspondence and reprint requests

Z. Naturforsch. 68 c, 108 – 112 (2013); received February 18, 2012/February 23, 2013

Cytotoxic activity of gaillardin, a sesquiterpene lactone isolated from Inula oculus-christi L. (Asteraceae), was assessed in the human breast adenocarcinoma cell line MCF-7, human hepatocellular carcinoma cell line HepG-2, human non-small cell lung carcinoma cell line A-549, and human colon adenocarcinoma cell line HT-29, resulting in IC50 values of 6.37, 6.20, 4.76, and 1.81 µg/mL, respectively, in the microculture tetrazolium-formazan MTT as- say. In vitro apoptosis-inducing properties of gaillardin were also evaluated in MCF-7 cells with the terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick- end labeling (TUNEL) assay. The results suggest gaillardin as a candidate for further studies in cancer therapy

Key words:Gaillardin, TUNEL, MTT Assay

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