{"id":"825874b4-ce33-59a3-aac3-c195b62c4cb9","stable_key":"8f12ba85-1a92-5337-a9c0-9cee9b3be90d:theanine-mouse-intestinal-slc7a1","predicate":"increases_intestinal_expression_of","statement":"The study reported increased mRNA and protein expression of the mouse intestinal transporter component SLC7A1.","claim_class":"mechanistic","status":"source_derived_draft","evidence_grade":"ungraded","direction":"context_dependent","is_public":true,"mechanism_event_id":"1587172f-17bf-5171-9f5c-38c316c3818b","mechanism_event_label":"Each transporter remains searchable separately from the overall amino acid response.","subject":{"id":"33a051c5-dba8-53cd-8761-c53732c447e6","slug":"theanine","display_name":"L-Theanine","entity_type_key":"small_molecule"},"object":{"id":"75d5a3bf-fa07-54a5-8c38-cffc4577ba5d","slug":"mouse-slc7a1","display_name":"Mouse CAT1 / Slc7a1","entity_type_key":"protein"},"evidence_count":1,"mechanism_event":{"id":"1587172f-17bf-5171-9f5c-38c316c3818b","stable_key":"8f12ba85-1a92-5337-a9c0-9cee9b3be90d:theanine-mouse-intestinal-slc7a1-event","event_type":"biochemical_relationship","label":"Each transporter remains searchable separately from the overall amino acid response.","description":"The study reported increased mRNA and protein expression of the mouse intestinal transporter component SLC7A1.","status":"provisional","compartment":null,"participants":[{"entity":{"id":"33a051c5-dba8-53cd-8761-c53732c447e6","slug":"theanine","display_name":"L-Theanine","entity_type_key":"small_molecule"},"role":"subject","stoichiometry":null,"state_label":"","sequence_order":0,"notes":""},{"entity":{"id":"75d5a3bf-fa07-54a5-8c38-cffc4577ba5d","slug":"mouse-slc7a1","display_name":"Mouse CAT1 / Slc7a1","entity_type_key":"protein"},"role":"target","stoichiometry":null,"state_label":"","sequence_order":1,"notes":""}]},"contexts":[{"dimension":"evidence_span","value_text":"{\"source_cache\": \"artifacts/theanine-research/36615799.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"0bb37e6a5f3624dc13eb87705f21721a6cf7cc2151b0ecf87dedef2ff11c95be\", \"start_char\": 0, \"end_char\": 1077, \"text_sha256\": \"0bb37e6a5f3624dc13eb87705f21721a6cf7cc2151b0ecf87dedef2ff11c95be\"}","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"experimental_model","value_text":"Intestinal transporter and phosphorylation assays","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"exposure","value_text":"Oral L-theanine supplementation in the mouse experiment","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"limitations","value_text":"Transporter expression and mTOR pathway activation were associated. Without an intervention blocking the proposed pathway, dependency is not established; no human protein-absorption benefit inferred.","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":"Mice","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"plain_language","value_text":"Each transporter remains searchable separately from the overall amino acid response.","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"primary_references","value_text":"[theanine-p36615799] L-Theanine Regulates the Abundance of Amino Acid Transporters in Mice Duodenum and Jejunum via the mTOR Signaling Pathway. (2022). https://pubmed.ncbi.nlm.nih.gov/36615799/ DOI: 10.3390/nu15010142","comparator":null,"unit":null,"notes":"","entity":null},{"dimension":"tissue_or_cell_type","value_text":"Intestinal amino acid transport and mTOR signaling","comparator":null,"unit":null,"notes":"","entity":null}],"evidence":[{"id":"75e14166-3b37-5361-b43b-51f25f6f7962","evidence_kind":"source_excerpt","locator":"Lines 679-690","start_line":679,"end_line":690,"excerpt":"### theanine-mouse-intestinal-slc7a1\nThe study reported increased mRNA and protein expression of the mouse intestinal transporter component SLC7A1.\nCondition category: normal\nnutrient_topic: L-Theanine research collection; topical membership is not evidence of a direct dietary effect.\nplain_language: Each transporter remains searchable separately from the overall amino acid response.\norganism: Mice\ntissue_or_cell_type: Intestinal amino acid transport and mTOR signaling\nexperimental_model: Intestinal transporter and phosphorylation assays\nlimitations: Transporter expression and mTOR pathway activation were associated. Without an intervention blocking the proposed pathway, dependency is not established; no human protein-absorption benefit inferred.\nexposure: Oral L-theanine supplementation in the mouse experiment\nevidence_span: {\"source_cache\": \"artifacts/theanine-research/36615799.abstract.txt\", \"locator\": \"Primary indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"0bb37e6a5f3624dc13eb87705f21721a6cf7cc2151b0ecf87dedef2ff11c95be\", \"start_char\": 0, \"end_char\": 1077, \"text_sha256\": \"0bb37e6a5f3624dc13eb87705f21721a6cf7cc2151b0ecf87dedef2ff11c95be\"}\n[theanine-p36615799] L-Theanine Regulates the Abundance of Amino Acid Transporters in Mice Duodenum and Jejunum via the mTOR Signaling Pathway. 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