Hypocholesterolemic and immunostimulatory effects of orally appliedEnterococcus fœcium M-74 in man

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Abstract
LyophilizedEnterococcus fœcium M-74 was administered to 12 adult subjects in a daily oral dose of 5× 109 bacteria for six weeks. The bacterium temporarily colonized the host intestine and its excretion with stool, persisted for five weeks after the last dose. The mean levels of serum cholesterol and LDL showed a biphasic effect—an elevation followed by a sharp decrease (on day 64 of investigation). The decrease corresponded in time with a significant increase in the ability to reduce iodonitrotetrazolium and superoxide production by peripheral neutrophils incubated with zymosan or phorbol myristate acetate, and also with an elevated production of IgG by peripheral blood mononuclear cells. Hence intake ofE. fœcium may have a hypocholesterolemic and immunostimulatory effect. It was also demonstrated thatE. fœcium significantly reduced the average activity of β-d-glucuronidase in stools.