Induction of apoptotic effects of antiproliferative protein from the seeds of Borreria hispida on lung cancer (A549) and cervical cancer (HeLa) cell lines

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Abstract

A 35 KDa protein referred to as F3 was purified from the seeds of Borreria hispida by precipitation with 80% ammonium sulphate and gel filtration on Sephadex G-100 column. RP-HPLC analysis of protein fraction (F3) on an analytical C-18 column produced a single peak, detected at 220 nm. F3 showed an apparent molecular weight of 35 KDa by SDS PAGE and MALDI-TOF-MS analyses. Peptide mass fingerprinting analysis of F3 showed the closest homology with the sequence of 1-aminocyclopropane-1-carboxylate deaminase of Pyrococcus horikoshii. The protein (F3) exhibited significant cytotoxic activity against lung (A549) and cervical (HeLa) cancer cells in a dose-dependent manner at concentrations ranging from 10 μg to 1000 μg/mL, as revealed by the MTT assay. Cell cycle analysis revealed the increased growth of sub-G0 population in both cell lines exposed to a concentration of 1000 μg/mL of protein fraction F3 as examined from flow cytometry. This is the first report of a protein from the seeds of Borreria hispida with antiproliferative and apoptotic activity in lung (A549) and cervical (HeLa) cancer cells. © 2014 S. Rupachandra and D. V. L. Sarada.

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Rupachandra, S., & Sarada, D. V. L. (2014). Induction of apoptotic effects of antiproliferative protein from the seeds of Borreria hispida on lung cancer (A549) and cervical cancer (HeLa) cell lines. BioMed Research International, 2014. https://doi.org/10.1155/2014/179836

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