Bulbophyllum sterile petroleum ether fraction induces apoptosis in vitro and ameliorates tumor progression in vivo

Subhankar Biswas, Rashmi Pardeshi, Neetinkumar D. Reddy, Muhammed Haneefa Shoja, Pawan G. Nayak, M. Manjunath Setty, K. Sreedhara R. Pai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Orchids of the genus Bulbophyllum have been reported to possess antitumor activity. Present study investigated the possible antitumor activity of the active fraction of bulb and root of Bulbophyllum sterile. Alcoholic extract along with petroleum ether, dichloromethane and ethyl acetate fractions were subjected to SRB assay in HCT-116, MDA-MB-231 and A549 cell lines. The active fractions were further evaluated for apoptosis, expression of apoptotic signaling proteins, comet assay and cell cycle analysis. Furthermore, they were assessed for in vivo antitumor activity in Ehrlich ascites carcinoma model. Petroleum fraction of bulbs (PFB) and roots (PFR) was found to be most active in HCT-116 cell lines with IC50 value of 94.2 ± 6.0 and 75.7 ± 9.8, respectively. Apoptosis was evident from acridine orange/ethidium bromide staining along with the expression of phospho-p53 and phospho-Bad. Both PFB and PFR arrested G2/M phase of the cell cycle with 32.6% and 49.4% arrest, respectively compared to 17.5% arrest with control. An increase in mean life span and hepatic antioxidant levels was observed with PFB and PFR treatment in EAC inoculated mice. The results suggested that the active fractions of bulbs and roots possess anticancer activity likely by inducing apoptosis through phospho-p53 dependent pathway.

Original languageEnglish
Pages (from-to)1419-1427
Number of pages9
JournalBiomedicine and Pharmacotherapy
Volume84
DOIs
Publication statusPublished - 01-12-2016

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Petroleum
Apoptosis
Cell Cycle
HCT116 Cells
Neoplasms
Acridine Orange
Comet Assay
Ethidium
G2 Phase
Methylene Chloride
Ascites
Cell Division
Inhibitory Concentration 50
Antioxidants
Staining and Labeling
Carcinoma
Cell Line
Liver
In Vitro Techniques
naphtha

All Science Journal Classification (ASJC) codes

  • Pharmacology

Cite this

Biswas, Subhankar ; Pardeshi, Rashmi ; Reddy, Neetinkumar D. ; Shoja, Muhammed Haneefa ; Nayak, Pawan G. ; Setty, M. Manjunath ; Pai, K. Sreedhara R. / Bulbophyllum sterile petroleum ether fraction induces apoptosis in vitro and ameliorates tumor progression in vivo. In: Biomedicine and Pharmacotherapy. 2016 ; Vol. 84. pp. 1419-1427.
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abstract = "Orchids of the genus Bulbophyllum have been reported to possess antitumor activity. Present study investigated the possible antitumor activity of the active fraction of bulb and root of Bulbophyllum sterile. Alcoholic extract along with petroleum ether, dichloromethane and ethyl acetate fractions were subjected to SRB assay in HCT-116, MDA-MB-231 and A549 cell lines. The active fractions were further evaluated for apoptosis, expression of apoptotic signaling proteins, comet assay and cell cycle analysis. Furthermore, they were assessed for in vivo antitumor activity in Ehrlich ascites carcinoma model. Petroleum fraction of bulbs (PFB) and roots (PFR) was found to be most active in HCT-116 cell lines with IC50 value of 94.2 ± 6.0 and 75.7 ± 9.8, respectively. Apoptosis was evident from acridine orange/ethidium bromide staining along with the expression of phospho-p53 and phospho-Bad. Both PFB and PFR arrested G2/M phase of the cell cycle with 32.6{\%} and 49.4{\%} arrest, respectively compared to 17.5{\%} arrest with control. An increase in mean life span and hepatic antioxidant levels was observed with PFB and PFR treatment in EAC inoculated mice. The results suggested that the active fractions of bulbs and roots possess anticancer activity likely by inducing apoptosis through phospho-p53 dependent pathway.",
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Bulbophyllum sterile petroleum ether fraction induces apoptosis in vitro and ameliorates tumor progression in vivo. / Biswas, Subhankar; Pardeshi, Rashmi; Reddy, Neetinkumar D.; Shoja, Muhammed Haneefa; Nayak, Pawan G.; Setty, M. Manjunath; Pai, K. Sreedhara R.

In: Biomedicine and Pharmacotherapy, Vol. 84, 01.12.2016, p. 1419-1427.

Research output: Contribution to journalArticle

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T1 - Bulbophyllum sterile petroleum ether fraction induces apoptosis in vitro and ameliorates tumor progression in vivo

AU - Biswas, Subhankar

AU - Pardeshi, Rashmi

AU - Reddy, Neetinkumar D.

AU - Shoja, Muhammed Haneefa

AU - Nayak, Pawan G.

AU - Setty, M. Manjunath

AU - Pai, K. Sreedhara R.

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