Component
Lung influenza-virus titer
Lung influenza-virus titer. Species, exposure and limitations are retained in each linked claim.
1 recorded relationships. Experimental role, claim status and evidence remain attached to each record.
How nutrients influence it
Every nutrient with a recorded effect on this component, credited to the nutrient that acted rather than the chapter that recorded it. Open a nutrient to see the findings and the conditions they were measured under.
Other things that act on it
Enzymes, hormones, genes, and other components with a recorded effect. These are not nutrients, so they do not count toward the arrows above. Each finding names the chapter that recorded it.
How nutrients reach it in more than one step
Chains of two or more recorded steps that end here, grouped by the nutrient they start from. Each step is a separate finding, so a chain is a route a mechanism could take, not proof that it does.
Tracing routes…
What it does
Every recorded relationship this component is part of, grouped by its role. Plain wording comes first; the technical statement follows.
What acts on it
The mixture reduced lung influenza virus titer at the reported postinfection time point in aged mice.
Experimental context and source evidence
- evidence_span
- {"source_cache": "artifacts/theanine-research/19940390.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "1fddde12da03a7fd75a7415e00207f4ac2c34c9215ab504ea1b3735e36db3a26", "start_char": 0, "end_char": 1786, "text_sha256": "1fddde12da03a7fd75a7415e00207f4ac2c34c9215ab504ea1b3735e36db3a26"}
- experimental_model
- Aged-animal influenza challenge and immunization
- exposure
- Oral cystine plus theanine before influenza challenge
- limitations
- Animal combination study; enzyme-subunit identity is not inferred from the generic gamma-glutamylcysteine synthetase wording. No proof theanine alone prevents human influenza.
- nutrient_topic
- L-Theanine research collection; topical membership is not evidence of a direct dietary effect. · L-Theanine
- organism
- Aged mice
- plain_language
- A viral-load endpoint in aged mice remains distinct from a human clinical prevention claim.
- primary_references
- [theanine-p19940390] Combined administration of (L)-cystine and (L)-theanine enhances immune functions and protects against influenza virus infection in aged mice. (2010). https://pubmed.ncbi.nlm.nih.gov/19940390/ DOI: 10.1292/jvms.09-0067
- tissue_or_cell_type
- Spleen and lung
L-Theanine: metabolism, neural signaling, nutrient connections and human outcomes (2026-09-17) · lines 809–820
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Aged-animal influenza challenge and immunization · source_derived_draft · unverified_draft
### theanine-ct-influenza-titer The mixture reduced lung influenza virus titer at the reported postinfection time point in aged mice. Condition category: normal nutrient_topic: L-Theanine research collection; topical membership is not evidence of a direct dietary effect. plain_language: A viral-load endpoint in aged mice remains distinct from a human clinical prevention claim. organism: Aged mice tissue_or_cell_type: Spleen and lung experimental_model: Aged-animal influenza challenge and immunization limitations: Animal combination study; enzyme-subunit identity is not inferred from the generic gamma-glutamylcysteine synthetase wording. No proof theanine alone prevents human influenza. exposure: Oral cystine plus theanine before influenza challenge evidence_span: {"source_cache": "artifacts/theanine-research/19940390.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "1fddde12da03a7fd75a7415e00207f4ac2c34c9215ab504ea1b3735e36db3a26", "start_char": 0, "end_char": 1786, "text_sha256": "1fddde12da03a7fd75a7415e00207f4ac2c34c9215ab504ea1b3735e36db3a26"} [theanine-p19940390] Combined administration of (L)-cystine and (L)-theanine enhances immune functions and protects against influenza virus infection in aged mice. (2010). https://pubmed.ncbi.nlm.nih.gov/19940390/ DOI: 10.1292/jvms.09-0067
Complete structured claim and evidence
The events it takes part in
A mechanism often involves more than two components. These are the full events, with every participant and its role.
Situations it appears in
Low-supply and faulty-machinery situations recorded in the chapters where this component plays a part.
In the sources
Preserved passages that mention this component, quoted exactly. Open one to read it in context.
Open hypotheses
Proposed ideas that involve this component. They are labeled as hypotheses and do not change any recorded statement.
This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.