Antiproliferative and immunoactivatory ability of an enzymatic extract from rice bran
2013
Revilla, E. | Santa-María, C. | Miramontes, E. | Candiracci, M. | Rodríguez-Morgado, B. | Carballo, M. | Bautista, J. | Castaño, A. | Parrado, J.
The validation of natural products as source of functional foods or nutraceuticals has become an important issue in current health research. Thus, the present work has tested on MOLT-4 cells (human T cell acute lymphoblastic leukemic) the antiproliferative effect of a water-soluble enzymatic extract from rice bran (EERB). Present work shows that EERB induces cellular death in MOLT-4 cells in a dose-dependent way (0–10mg/mL) but not in non-tumoral lymphocytes. Flow cytometric analysis of MOLT-4 cells treated with EERB showed the presence of death cells by apoptosis rather than necrosis. Additionally, EERB also exerts an immunoactivatory effect on N13 microglia cells, by inducing TNF-alpha (tumour necrosis factor-α) expression, which plays a key role in the innate immune response to infection. Accordingly, we can propose EERB as a useful natural standardized extract with antiproliferative and immunoactivatory ability that would be beneficial to apply in the functional food field.
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