Abstract Title:

Cell cycle inhibitory activity of Piper longum against A549 cell line and its protective effect against metal-induced toxicity in rats.

Abstract Source:

Indian J Biochem Biophys. 2014 Oct ;51(5):358-64. PMID: 25630105

Abstract Author(s):

Amit Kumar Sharma, Shashank Kumar, Gousia Chashoo, Ajit K Saxena, Abhay K Pandey

Article Affiliation:

Amit Kumar Sharma


Anticancer potential of Piper longum fruit against human cancer cell lines (DU-145 prostate, A549 lung, THP-1 leukemia, IGR-OVI-1 ovary and MCF-7 breast) as well as its in vitro and in vivo biochemical efficacy in A1Cl3-induced hepatotoxicity were evaluated in the rats. Dried samples were extracted with several solvents using soxhlet apparatus. Flavonoid content in chloroform, benzene, ethyl alcohol and aqueous extracts of fruit was 19, 14, 12 and 11μg quercetin equivalent/mg of sample, respectively. Hexane extracts exhibited 90-92% cytotoxicity against most of the test cell lines (A549, THP-1, IGR-OVI-1 and MCF-7), while benzene extract displayed 84-87% cytotoxicity against MCF-7, IGR-OV-1 and THP-1 cell lines. Among extracts, hexane, benzeneand acetone extracts demonstrated considerable cytotoxicity (91-95%) against A549 (lung cancer) cell line in Sulforhodamine B dye (SRB) assay. Cell cycle analysis revealed that hexane, benzene and acetone extracts produced 41, 63 and 43% sub-G1 DNA fraction, demonstrating cell cycle inhibitory potential of these extracts against A549 cell line. Chloroform, ethyl alcohol and aqueous extracts displayed 71, 64 and 65% membrane protective activity, respectively in lipid peroxidation inhibition assay. P. longum fruit extracts also ameliorated A1Cl3-induced hepatotoxicity, as indicated by alterations observed in serum enzymes ALP, SGOT and SGPT activity, as well as creatinine and bilirubin contents. In conclusion, study established the cytotoxic and hepatoprotective activity in P. longum extracts.

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