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Background  Several studies have examined the correlation between iron oxidation and H 2 O 2  degradation. The present study was carried out to examine the protective effects of MRN-100 against stress-induced apoptosis in murine splenic cells  in vitro . MRN-100, or HydroFerrate fluid, is an iron-based beverage composed of bivalent and trivalent ferrates.    Methods  Splenic lymphocytes from mice were cultured in the presence or absence of MRN-100 for 2 hrs and were subsequently exposed to hydrogen peroxide (H 2 O 2 ) at a concentration of 25 μM for 14 hrs. Percent cell death was examined by flow cytometry and trypan blue exclusion. The effect of MRN-100 on Bcl-2 and Bax protein levels was determined by Western blot.    Results  Results show, as expected, that culture of splenic cells with H 2 O 2  alone results in a significant increase in cell death (apoptosis) as compared to control (CM) cells. In contrast, pre-treatment of cells with MRN-100 followed by H 2 O 2  treatment results in significantly reduced levels of apoptosis.  In addition, MRN-100 partially prevents H 2 O 2 -induced down-regulation of the anti-apoptotic molecule Bcl-2 and upregulation of the pro-apoptotic molecule Bax.    Conclusion  Our findings suggest that MRN-100 may offer a protective effect against oxidative stress-induced apoptosis in lymphocytes.

An iron-based beverage, HydroFerrate fluid (MRN-100), alleviates oxidative stress in murine lymphocytes in vitro