The effect of Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra on CD69 expression and immune cell activation in humans

Julie Brush, Elissa Mendenhall, Alena Guggenheim, Tracy Chan, Erin Connelly, Amala Soumyanath, Randal Buresh, Richard Barrett, Heather Zwickey

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The increasing use of medicinal herbs among the general public has piqued the need for scientific-based research to determine the mechanism of action of herbs administered orally in human subjects. The ability of three herbs, Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra, to activate immune cells in human subjects was assessed in this pilot study. The effect of these herbs when ingested for 7 days was measured both when administered singly, and in combination, using flow cytometry. The primary cell activation marker measured was CD69. The results demonstrate that Echinacea, Astragalus and Glycyrrhiza herbal tinctures stimulated immune cells as quantified by CD69 expression on CD4 and CD8 T cells. This activation took place within 24 h of ingestion, and continued for at least 7 days. In addition, these three herbs had an additive effect on CD69 expression when used in combination.

Original languageEnglish (US)
Pages (from-to)687-695
Number of pages9
JournalPhytotherapy Research
Volume20
Issue number8
DOIs
StatePublished - Aug 2006
Externally publishedYes

Fingerprint

Astragalus membranaceus
Echinacea
Glycyrrhiza
Chemical activation
T-cells
Flow cytometry
Medicinal Plants
Flow Cytometry
Eating
T-Lymphocytes
Research

Keywords

  • Botanicals
  • CD4 T cells
  • CD69
  • CD8 T cells
  • Clinical trial
  • Herbs

ASJC Scopus subject areas

  • Drug Discovery
  • Organic Chemistry
  • Pharmacology

Cite this

The effect of Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra on CD69 expression and immune cell activation in humans. / Brush, Julie; Mendenhall, Elissa; Guggenheim, Alena; Chan, Tracy; Connelly, Erin; Soumyanath, Amala; Buresh, Randal; Barrett, Richard; Zwickey, Heather.

In: Phytotherapy Research, Vol. 20, No. 8, 08.2006, p. 687-695.

Research output: Contribution to journalArticle

Brush, J, Mendenhall, E, Guggenheim, A, Chan, T, Connelly, E, Soumyanath, A, Buresh, R, Barrett, R & Zwickey, H 2006, 'The effect of Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra on CD69 expression and immune cell activation in humans', Phytotherapy Research, vol. 20, no. 8, pp. 687-695. https://doi.org/10.1002/ptr.1938
Brush, Julie ; Mendenhall, Elissa ; Guggenheim, Alena ; Chan, Tracy ; Connelly, Erin ; Soumyanath, Amala ; Buresh, Randal ; Barrett, Richard ; Zwickey, Heather. / The effect of Echinacea purpurea, Astragalus membranaceus and Glycyrrhiza glabra on CD69 expression and immune cell activation in humans. In: Phytotherapy Research. 2006 ; Vol. 20, No. 8. pp. 687-695.
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