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Tumor Cells Can be Inhibited with Enterococcus Faecalis-2001

by Hannah Joy on November 20, 2017 at 1:10 PM
Tumor Cells Can be Inhibited with Enterococcus Faecalis-2001

Enterococcus faecalis 2001, a probiotic lactic acid bacterium can inhibit the growth of tumors, reveals a new study.

The research team has used Enterococcus faecalis 2001 as a biological response modifier (BRM).

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From physiological limitation of bacterial preservation in storage and safety, the live E. faecalis 2001 has been heat-treated and the BRM components containing high level of ]-glucan, named EF-2001, were prepared.

The heat-treated EF-2001 has been examined for the antioxidative potential for radical scavenging and anti-tumor activities as well as immune-enhancing response in mice.
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Lymphocyte versus polymorphonuclear leukocyte ratio was increased in mice upon treatment with EF-2001. The number of lymphocytes was increased in the EF-2001-treated group.

In the mice bearing two different Ehrlich solid and Sarcoma-180 carcinomas, the treatment with EF-2001 resulted in anti-tumor action.

Tumor-suppressive capacity upon treatment with EF-2001 was significantly increased compared to normal controls.

During the time interval administration of 5 weeks between the priming and secondary administration of EF-2001, the expression and production levels of TNF-\ were also observed in the EF-2001 administered mice.

Additionally, anti-tumor activity examined with the intravenous administration of EF 2001 with a 34 time intervals was also observed, as the growth of Sarcoma-180 cells was clearly inhibited by the EF-2001.

From the results, it was suggested that the immune response is enhanced due to antioxidative activity caused by the EF-2001 and anti-tumor activity by NK cells and TNF-\.



Source: Eurekalert
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