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Anti-cancer potential of a specific mixture of phytonutrients in bone cancer cells

M.W. Roomi, B. Bhanap, A. Niedzwiecki, M. Rath

Journal of Cellular Medicine and Natural Health, Oct 2018

 

Abstract:

Chondrosarcoma, a malignant tumor of cartilaginous origin, is the most common of the adult primary bone cancers. Forty percent of primary bone cancers are chondrosarcoma. However as chondrosarcoma typically does not respond to radiation and chemotherapy, surgery is the main treatment option. Cancer mortality usually results from the local and distant metastasis. Based on the poor prognosis of chondrosarcoma, we investigated effects of a phytonutrient mixture (PB) containing quercetin, CruciferexTM, curcumin, resveratrol and green tea extract on several parameters associated with the development of this type of cancer.

The chondrosarcoma cells SW-1353 exposed to PB concentrations of 10, 25, 50, and 100 µg/ml were tested for cell proliferation/viability, morphology, matrix metalloproteinase (MMP) secretion, as well as their invasive and migration abilities. Cell proliferation was carried out by MTT assay, MMPs secretion by zymography, cell invasion by Matrigel assay, cellular migration by scratch test and morphology by H&E staining. The PB inhibited cell proliferation in dose-dependent manner starting at 25µg/ml concentration. Zymography demonstrated two bands corresponding to MMP-2 and MMP-9 with enhanced MMP-9 expression upon PMA treatment. The PB inhibited expression of both MMPs in a dose-dependent manner in both PMA-stimulated and non-stimulated cells. Matrigel invasion was totally blocked at 25µg/ml. The H&E staining showed that the PB mixture at 25µg/ml to 100 µg/ml induced apoptotic changes in SW-1353 cells. Significant inhibition of important hallmarks of cancer progression by PB mixture suggests that this nutrient composition should be explored further as a therapeutic agent in chondrosarcoma.

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