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L-theanine supports immune function. - GreenMedInfo Summary

Abstract Title:

L-theanine intervention enhances human gammadeltaT lymphocyte function.

Abstract Source:

Neurosci Lett. 2006 Apr 24;397(3):219-23. Epub 2006 Jan 6. PMID: 18254876

Abstract Author(s):

Jack F Bukowski, Susan S Percival

Abstract:

Human gammadeltaT lymphocytes are a subset of T cells and are a first line of defense against microbes and tumors. These gammadeltaT cells can be primed by nitrogen-containing bisphosphonates, and certain short-chain alkylamines. These primed gammadeltaT cells have an enhanced capacity to proliferate and to secrete cytokines upon ex vivo exposure to a wide variety of microbes and tumor cells. The largest dietary source of alkylamines is L-theanine, an amino acid unique to tea beverages that is catabolized to ethylamine. Supplementation of subjects with capsules containing L-theanine and catechins has recently been shown to decrease the incidence of cold and flu symptoms, while enhancing gammadeltaT cell function.

Study Type : Animal Study

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Sayer Ji
Founder of GreenMedInfo.com

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