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The study does not isolate theanine as the cause or establish clinical infection prevention.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"nutrient_topic","value_text":"L-Theanine research collection; topical membership is not evidence of a direct dietary effect.","comparator":null,"unit":null,"notes":"","entity":{"slug":"theanine","display_name":"L-Theanine","entity_type_key":"small_molecule"}},{"dimension":"organism","value_text":"Human gamma-delta T cells and tea drinkers","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"plain_language","value_text":"A theanine metabolite connects to a measured immune response, but the intervention was tea.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"[theanine-p12719524] Antigens in tea-beverage prime human Vgamma 2Vdelta 2 T cells in vitro and in vivo for memory and nonmemory antibacterial cytokine responses. (2003). https://pubmed.ncbi.nlm.nih.gov/12719524/ DOI: 10.1073/pnas.1035603100","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"tissue_or_cell_type","value_text":"Ex-vivo immune response to ethylamine and bacteria","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"b2486424-b7a6-5c2f-bb18-9f12d7d0e5ea","evidence_kind":"source_excerpt","locator":"Lines 848-859","start_line":848,"end_line":859,"excerpt":"### theanine-tea-ethylamine-recall\nTea consumption primed peripheral gamma-delta T-cell recall responses to ethylamine.\nCondition category: normal\nnutrient_topic: L-Theanine research collection; topical membership is not evidence of a direct dietary effect.\nplain_language: A theanine metabolite connects to a measured immune response, but the intervention was tea.\norganism: Human gamma-delta T cells and tea drinkers\ntissue_or_cell_type: Ex-vivo immune response to ethylamine and bacteria\nexperimental_model: Human cell priming and tea-consumption immune assays\nlimitations: Tea has many constituents. The study does not isolate theanine as the cause or establish clinical infection prevention.\nexposure: Alkylamine priming in vitro; tea consumption in humans\nevidence_span: {\"source_cache\": \"artifacts/theanine-research/12719524.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"5597ffe96859e7675adb765468cef7d5809b7874501b43cff49a1c4b866987b9\", \"start_char\": 0, \"end_char\": 1161, \"text_sha256\": \"5597ffe96859e7675adb765468cef7d5809b7874501b43cff49a1c4b866987b9\"}\n[theanine-p12719524] Antigens in tea-beverage prime human Vgamma 2Vdelta 2 T cells in vitro and in vivo for memory and nonmemory antibacterial cytokine responses. 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