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Pharm Res. 2010 Jun;27(6):1061-5. doi: 10.1007/s11095-010-0113-y. Epub 2010 Apr 6.

Critical need for clinical trials: an example of a pilot human intervention trial of a mixture of natural agents protecting lymphocytes against TNF-alpha induced activation of NF-kappaB.

Author information

1
Karmanos Cancer Institute, Wayne State University School of Medicine, Detroit, Michigan, USA.

Abstract

Humans typically consume "natural agents" that are believed to be chemoprotective and are known to decrease inflammation biomarker NF-kappaB in vitro; however, no intervention studies in humans have been done to date. This commentary documents the in vivo results as a powerful example for supporting the superiority of a complex mixture of natural agents. Human volunteers consumed two 500 mg capsules (BID) containing a mixture of natural agents for a period of 2 weeks, and blood samples were collected pre- and post-intervention. The purified lymphocytes were subjected to ex-vivo exposure to TNF-alpha or kept as untreated control. The mean NF-kappaB DNA binding activity was increased upon TNF-alpha treatment in pre-intervention samples; however, TNF-alpha was unable to induce NF-kappaB in post-intervention samples, suggesting that the mixture of four important natural agents could be useful to protect humans against oxidative stress.

PMID:
20372995
PMCID:
PMC3883052
DOI:
10.1007/s11095-010-0113-y
[Indexed for MEDLINE]
Free PMC Article

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