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Logo of bmjcrInstructions for authorsCurrent ToCBMJ Case Reports
 
BMJ Case Rep. 2010; 2010: bcr06.2009.2019.
Published online Jan 13, 2010. doi:  10.1136/bcr.06.2009.2019
PMCID: PMC3028456
Novel treatment (new drug/intervention; established drug/procedure in new situation)

Effect of Lactobacillus casei on Streptococcus bovis in faecal flora

Abstract

Bacteraemia caused by Streptococcus bovis is often associated with colorectal tumours. Also, experimental studies have been proposed that S bovis acts as a promoter of tumours. We report the case of a man with colon adenoma who had a high proportion of S bovis in his faecal flora. He was treated with a Lactobacillus casei preparation (BLP) and the effect on the faecal flora was examined. L casei reduced the proportion of S bovis (from 43% down to 9%), and the effect continued after the administration of BLP was stopped. Our data indicate that BLP can repress the excessive colonisation of S bovis.


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