Component
Dopamine-associated cultured-cell injury
Dopamine-associated cultured-cell injury. 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
Theanine protected SH-SY5Y cells against the injury produced by dopamine plus copper.
Experimental context and source evidence
- evidence_span
- {"source_cache": "artifacts/theanine-research/39499422.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "abb7a869056bc8c43d6792b2a4ff9a1b15738facf454daeb3f92df383932b9c4", "start_char": 0, "end_char": 1871, "text_sha256": "abb7a869056bc8c43d6792b2a4ff9a1b15738facf454daeb3f92df383932b9c4"}
- experimental_model
- Cell-free oxidation and cultured-cell injury assays
- exposure
- Dopamine with and without copper; theanine concentration-ratio experiments
- limitations
- High experimental substrate ratios; no human copper-depletion, Parkinson disease treatment or systemic chelation conclusion. Cellular protection does not establish effective brain exposure.
- nutrient_topic
- L-Theanine research collection; topical membership is not evidence of a direct dietary effect. · L-Theanine
- organism
- Human SH-SY5Y cell line and chemical systems
- plain_language
- Cell survival was measured separately from the chemical oxidation assay.
- primary_references
- [theanine-p39499422] L-Theanine Effectively Protects Against Copper-Facilitated Dopamine Oxidation: Implication for Relieving Dopamine Overflow-Associated Neurotoxicities. (2025). https://pubmed.ncbi.nlm.nih.gov/39499422/ DOI: 10.1007/s12035-024-04601-x
- tissue_or_cell_type
- Copper-facilitated dopamine oxidation
L-Theanine: metabolism, neural signaling, nutrient connections and human outcomes (2026-09-17) · lines 744–755
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Cell-free oxidation and cultured-cell injury assays · source_derived_draft · unverified_draft
### theanine-copper-cell-protection Theanine protected SH-SY5Y cells against the injury produced by dopamine plus copper. Condition category: normal nutrient_topic: L-Theanine research collection; topical membership is not evidence of a direct dietary effect. plain_language: Cell survival was measured separately from the chemical oxidation assay. organism: Human SH-SY5Y cell line and chemical systems tissue_or_cell_type: Copper-facilitated dopamine oxidation experimental_model: Cell-free oxidation and cultured-cell injury assays limitations: High experimental substrate ratios; no human copper-depletion, Parkinson disease treatment or systemic chelation conclusion. Cellular protection does not establish effective brain exposure. exposure: Dopamine with and without copper; theanine concentration-ratio experiments evidence_span: {"source_cache": "artifacts/theanine-research/39499422.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "abb7a869056bc8c43d6792b2a4ff9a1b15738facf454daeb3f92df383932b9c4", "start_char": 0, "end_char": 1871, "text_sha256": "abb7a869056bc8c43d6792b2a4ff9a1b15738facf454daeb3f92df383932b9c4"} [theanine-p39499422] L-Theanine Effectively Protects Against Copper-Facilitated Dopamine Oxidation: Implication for Relieving Dopamine Overflow-Associated Neurotoxicities. (2025). https://pubmed.ncbi.nlm.nih.gov/39499422/ DOI: 10.1007/s12035-024-04601-x
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.