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Phytother Res. 2007 Nov;21(11):1109-12.

The effect of Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra on CD25 expression in humans: a pilot study.

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  • 1Helfgott Research Institute, National College of Natural Medicine, Portland, OR 97201, USA. hzwickey@ncnm.edu

Abstract

This phase 0, double-blind, repeated within subject, randomized pilot study examined CD25 expression on T cells after ingestion of three commonly used herbs: Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra, administered singly and in combination. CD25 expression on T cells was significantly increased for subjects ingesting Echinacea at 24 h with notable increases in activation from Astragalus and Glycyrrhiza. CD25 expression remains elevated with daily use of Echinacea for at least 7 days.

Copyright (c) 2007 John Wiley & Sons, Ltd.

PMID:
17661330
[PubMed - indexed for MEDLINE]
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