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Kelussia odoratissima Mozaff. activates intrinsic pathway of apoptosis in breast cancer cells associated with S phase cell cycle arrest via involvement of p21/p27 in vitro and in vivo

Authors Karimian H, Arya A, Fadaeinasab M, Razavi M, Hajrezaei M, Karim Khan A, Mohd Ali H, Abdulla MA, Noordin MI

Received 4 September 2016

Accepted for publication 1 November 2016

Published 1 February 2017 Volume 2017:11 Pages 337—350

DOI https://doi.org/10.2147/DDDT.S121518

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 2

Editor who approved publication: Dr Anastasios Lymperopoulos

Hamed Karimian,1 Aditya Arya,2 Mehran Fadaeinasab,3 Mahboubeh Razavi,1 Maryam Hajrezaei,4 Ataul Karim Khan,1 Hapipah Mohd Ali,3 Mahmood Ameen Abdulla,4 Mohamad Ibrahim Noordin1,5

1Department of Pharmacy, Faculty of Medicine, University of Malaya, Kuala Lumpur, 2School of Medicine, Taylor’s University, Subang Jaya, 3Centre for Natural Products Research and Drug Discovery, 4Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, 5Malaysian Institute of Pharmaceuticals and Nutraceuticals (IPharm), Pulau Pinang, Malaysia

Background: The aim of this study was to evaluate the anticancer potential of Kelussia odoratissima. Several in vitro and in vivo biological assays were applied to explore the direct effect of an extract and bioactive compound of this plant against breast cancer cells and its possible mechanism of action.
Materials and methods: K. odoratissima methanol extract (KME) was prepared, and MTT assay was used to evaluate the cytotoxicity. To identify the cytotoxic compound, a bioassay-guided investigation was performed on methanol extract. 8-Hydroxy-ar-turmerone was isolated as a bioactive compound. In vivo study was performed in the breast cancer rat model. LA7 cell line was used to induce the breast tumor. Histopathological and expression changes of PCNA, Bcl-2, Bax, p27 and p21 and caspase-3 were examined. The induction of apoptosis was tested using Annexin V-fluorescein isothiocyanate (FITC) assay. To confirm the intrinsic pathway of apoptosis, caspase-7 and caspase-9 assays were utilized. In addition, cell cycle arrest was evaluated.
Results: Our results demonstrated that K. odoratissima has an obvious effect on the arrest of proliferation of cancer cells. It induced apoptosis, transduced the cell death signals, decreased the threshold of mitochondrial membrane potential (MMP), upregulated Bax and downregulated Bcl-2.
Conclusion: This study demonstrated that K. odoratissima exhibits antitumor activity against breast cancer cells via cell death and cell cycle arrest.

Keywords: Kelussia odoratissima, apoptosis, intrinsic pathway, MCF7, chemoprevention, breast cancer

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Ferulago angulata activates intrinsic pathway of apoptosis in MCF-7 cells associated with G1 cell cycle arrest via involvement of p21/p27

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Published Date: 22 September 2014