Genotoxic, cytotoxic, and apoptotic effects of Hypogymnia physodes (L.) Nyl. on breast cancer cells.

Abstract:

:The aim of this study is to determine the chemical composition, and evaluate the genotoxic, and anti-growth potency of the methanol extracts of lichen species Hypogymnia physodes (L.) Nyl. (HPE). Anti-growth effect was tested in two different human breast cancer cell lines (MCF-7 and MDA-MB-231) by the MTT and ATP viability assays and apoptosis was assayed by the caspase-cleaved cytokeratin 18 (M30-antigen). Genotoxic activity of HPE was studied using chromosome aberration and micronuclei tests in human lymphocytes culture in vitro. The chemical composition of H. physodes was analyzed by using direct thermal desorption method coupled with comprehensive gas chromatography-time of flight mass spectrometry (GCXGC-TOF/MS). Our results indicate that HPE has an anti-growth effect at relatively lower concentrations, while relatively higher concentrations are required for genotoxic activity. HPE, therefore, seems to represent a therapeutic potential and poses new challenges for medicinal chemistry.

journal_name

Environ Toxicol

journal_title

Environmental toxicology

authors

Ari F,Celikler S,Oran S,Balikci N,Ozturk S,Ozel MZ,Ozyurt D,Ulukaya E

doi

10.1002/tox.21809

subject

Has Abstract

pub_date

2014-05-01 00:00:00

pages

804-13

issue

7

eissn

1520-4081

issn

1522-7278

journal_volume

29

pub_type

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