Mouse muscle satellite-cell activation: molecular mechanisms & dependencies

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.

Human evidence only

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.

Recorded relationships

What acts on it

Spermidine promoted muscle satellite-cell activation and regeneration in mice.
Spermidine → Mouse muscle satellite-cell activation source_derived_draftungraded
Experimental context and source evidence
evidence_access
Primary full text
experimental_model
Mouse injury and satellite-cell models.
limitations
Not evidence of human muscle growth or sports-performance enhancement.
nutrient_topic
Spermidine collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Spermidine
plain_language
The pathway also participates in repair outside the brain and immune system.
primary_references
Spermidine-eIF5A axis is essential for muscle stem cell activation via translational control. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39251577/ · DOI 10.1038/s41421-024-00712-w
Spermidine: biosynthesis, hypusination, transport and cross-nutrient mechanisms (2026-09-19) · lines 374–380
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse injury and satellite-cell models. · source_derived_draft · unverified_draft
## spermidine-muscle-activation The pathway also participates in repair outside the brain and immune system. Spermidine promoted muscle satellite-cell activation and regeneration in mice. Model: Mouse injury and satellite-cell models. Limitations: Not evidence of human muscle growth or sports-performance enhancement. Evidence access: Primary full text Spermidine-eIF5A axis is essential for muscle stem cell activation via translational control. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39251577/ · DOI 10.1038/s41421-024-00712-w
Complete structured claim and evidence
Myod knockout prevented the spermidine-associated satellite-cell activation response.
Mouse myogenic differentiation 1 / Myod1 → Mouse muscle satellite-cell activation source_derived_draftungraded
Experimental context and source evidence
availability_state
machinery_impairment Imported condition classification; unverified.
evidence_access
Primary full text
experimental_model
Mouse satellite-cell genetic experiments.
limitations
Cell activation and long-term functional muscle repair are distinct outcomes.
nutrient_topic
Spermidine collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Spermidine
plain_language
The downstream protein was itself necessary.
primary_references
Spermidine-eIF5A axis is essential for muscle stem cell activation via translational control. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39251577/ · DOI 10.1038/s41421-024-00712-w
trigger_kind
machinery_impairment Imported condition classification; unverified.
Spermidine: biosynthesis, hypusination, transport and cross-nutrient mechanisms (2026-09-19) · lines 390–396
AI-assisted research curation; primary references, access levels and experimental limitations individually identified. Not publisher full text. · supports · Mouse satellite-cell genetic experiments. · source_derived_draft · unverified_draft
## spermidine-myod-required The downstream protein was itself necessary. Myod knockout prevented the spermidine-associated satellite-cell activation response. Model: Mouse satellite-cell genetic experiments. Limitations: Cell activation and long-term functional muscle repair are distinct outcomes. Evidence access: Primary full text Spermidine-eIF5A axis is essential for muscle stem cell activation via translational control. · 2024 · https://pubmed.ncbi.nlm.nih.gov/39251577/ · DOI 10.1038/s41421-024-00712-w
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.

Mouse muscle satellite-cell activation