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Cell Immunol. 2010;263(2):148-53. doi: 10.1016/j.cellimm.2010.02.009. Epub 2010 Mar 10.

Sclareol modulates the Treg intra-tumoral infiltrated cell and inhibits tumor growth in vivo.

Author information

1
Department of Biochemistry, School of Medical Sciences, Tarbiat Modares University, Tehran, Iran. shnoori85@yahoo.com

Abstract

A regulatory or suppressor T cell is functionally defined as a T cell that inhibits an immune response by influencing the activity of another cell type. On the other hand, Th1 cells express IFN-gamma and mediate cellular immunity. Sclareol exhibits growth inhibition and cytotoxic activity against a variety of human cancer cell lines. In the first set of experiments, Sclareol was isolated from the plant Salvia sclarea and our study assessed the immuno-therapeutic effectiveness of Sclareol by direct intra-tumoral injection. Secondly, several immunological parameters such as splenocytes proliferation, intra-tumor CD4+CD25+Foxp3+ Treg cells, IFN-gamma and IL-4 secretion and tumor size were assessed to evaluate the anti-tumoral immune response. By all means, the findings confirmed that the activity of Sclareol could reduce the tumor growth in vivo against breast cancer.

PMID:
20409537
DOI:
10.1016/j.cellimm.2010.02.009
[Indexed for MEDLINE]

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