Article: Antioxidative and anti-proliferative potential of Curculigo orchioides Gaertn in oxidative stress induced cytotoxicity: In vitro, ex vivo and in silico studies
Food and chemical toxicology. 2018 May, v. 115
2018
Abstract: Plant phytoconstituents have been a valuable source of clinically important anticancer agents. Antioxidant and anticancerous activity of plant Curculigo orchioides Gaertn were explored In vitro antioxidant activity, antioxidant enzyme activity of ... ...
| Abstract | Plant phytoconstituents have been a valuable source of clinically important anticancer agents. Antioxidant and anticancerous activity of plant Curculigo orchioides Gaertn were explored In vitro antioxidant activity, antioxidant enzyme activity of oxidatively stressed tissue, and cell culture studies on human cancer cell lines HepG2, HeLa and MCF-7 were carried out. Active plant fractions were subjected to GC-MS analysis and compounds selected on the basis of their abundance were screened in silico with the help of Auto Dock 4.2 tools with pre-selected antioxidant enzymes. Curculigo orchioides Gaertn plant fractions exhibited significant antioxidant activities by virtue of scavenging of free radicals having IC50 value of ethylacetate fraction (EA) for DPPH radical scavenging assay to be 52.93 ± 0.66 μg/ml. Further, antioxidant enzyme defense of mammalian tissue when treated with plant fractions revealed that enzyme concentrations were refurbished which were increased during oxidative stress. MTT assay on cell lines HepG2, HeLa and MCF-7 presented IC50 values of ethylacetate (EA) fraction as 171.23 ± 2.1 μg/ml, 144.80 ± 1.08 μg/ml and 153.51 μg/ml and aqueous ethylacetate (AEA) fraction as 133.44 ± 1.1 μg/ml, 136.50 ± 0.8 μg/ml and 145.09 μg/ml respectively. Further EA and AEA plant fractions down regulated the levels of antiapoptotic Bcl-2 expression and upregulated the expression of apoptotic proteins caspase-3 and caspase-8 through an intrinsic ROS-mediated mitochondrial dysfunction pathway.Key findings explained that fractions of Curculigo orchioides Gaertn inhibited oxidative stress by increasing the antioxidant enzyme content and have anticancerous potential on cancer cell lines HepG2, HeLa and MCF-7. |
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| Keywords | 2,2-diphenyl-1-picrylhydrazyl ; antineoplastic activity ; antineoplastic agents ; antioxidant activity ; antioxidants ; apoptosis ; caspase-3 ; caspase-8 ; cell culture ; chemical constituents of plants ; Curculigo orchioides ; cytotoxicity ; ethyl acetate ; free radicals ; gas chromatography-mass spectrometry ; human cell lines ; humans ; inhibitory concentration 50 ; mitochondria ; neoplasm cells ; neoplasms ; oxidative stress ; proteins | |||||
| Language | English | |||||
| Dates of publication | 2018-05 | |||||
| Size | p. 244-259. | |||||
| Publishing place | Elsevier Ltd | |||||
| Document type | Article | |||||
| ZDB-ID | 782617-5 | |||||
| ISSN | 1873-6351 ; 0278-6915 | |||||
| ISSN (online) | 1873-6351 | |||||
| ISSN | 0278-6915 | |||||
| DOI | 10.1016/j.fct.2018.03.013 | |||||
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| Database | NAL-Catalogue (AGRICOLA) |
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