Component
Human cultured-cell autophagic flux
Context-specific entity; species, compartment and exposure are stated on each claim.
2 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
Spermidine induced autophagic-flux markers, including GFP-LC3 puncta and p62 depletion, in cultured human cells.
Experimental context and source evidence
- evidence_access
- Primary abstract
- experimental_model
- Cultured human cells; pharmacological compound comparison.
- limitations
- Flux markers require their assay controls; not evidence of human lifespan extension.
- nutrient_topic
- Spermidine collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Spermidine
- plain_language
- The cell’s recycling response increased in this experiment.
- primary_references
- Spermidine induces autophagy by inhibiting the acetyltransferase EP300. · 2015 · https://pubmed.ncbi.nlm.nih.gov/25526088/ · DOI 10.1038/cdd.2014.215
Spermidine: biosynthesis, hypusination, transport and cross-nutrient mechanisms (2026-09-19) · lines 158–164
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Cultured human cells; pharmacological compound comparison. · source_derived_draft · unverified_draft
## spermidine-autophagic-flux The cell’s recycling response increased in this experiment. Spermidine induced autophagic-flux markers, including GFP-LC3 puncta and p62 depletion, in cultured human cells. Model: Cultured human cells; pharmacological compound comparison. Limitations: Flux markers require their assay controls; not evidence of human lifespan extension. Evidence access: Primary abstract Spermidine induces autophagy by inhibiting the acetyltransferase EP300. · 2015 · https://pubmed.ncbi.nlm.nih.gov/25526088/ · DOI 10.1038/cdd.2014.215
Complete structured claim and evidenceEP300 knockdown induced autophagy and reduced mTORC1 activity in the acetyltransferase screen.
Experimental context and source evidence
- availability_state
- machinery_impairment Imported condition classification; unverified.
- evidence_access
- Primary abstract
- experimental_model
- Human-cell RNA interference screen of 43 acetyltransferases.
- limitations
- Does not prove all spermidine effects are mediated by EP300.
- nutrient_topic
- Spermidine collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Spermidine
- plain_language
- Removing a regulator supports a causal pathway.
- primary_references
- Spermidine induces autophagy by inhibiting the acetyltransferase EP300. · 2015 · https://pubmed.ncbi.nlm.nih.gov/25526088/ · DOI 10.1038/cdd.2014.215
- trigger_kind
- machinery_impairment Imported condition classification; unverified.
Spermidine: biosynthesis, hypusination, transport and cross-nutrient mechanisms (2026-09-19) · lines 174–180
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Human-cell RNA interference screen of 43 acetyltransferases. · source_derived_draft · unverified_draft
## spermidine-ep300-loss Removing a regulator supports a causal pathway. EP300 knockdown induced autophagy and reduced mTORC1 activity in the acetyltransferase screen. Model: Human-cell RNA interference screen of 43 acetyltransferases. Limitations: Does not prove all spermidine effects are mediated by EP300. Evidence access: Primary abstract Spermidine induces autophagy by inhibiting the acetyltransferase EP300. · 2015 · https://pubmed.ncbi.nlm.nih.gov/25526088/ · DOI 10.1038/cdd.2014.215
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.