Component
Mouse insulin receptor / Insr
Mouse insulin receptor / Insr. Species, exposure and limitations are retained in each linked claim.
4 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
GPX1-overexpressing mice showed reduced insulin-stimulated receptor phosphorylation in liver and Akt phosphorylation in liver and soleus.
Experimental context and source evidence
- curation_topic
- selenium · Selenium
- experimental_condition
- Wild-type mice on the same diet GPX1 overexpression · Mouse Gpx1 overexpression genotype Condition belongs to the full experimental contrast; do not separate a joint intervention.
- experimental_contrast
- {"intervention": "GPX1 overexpression", "comparator": "Wild-type mice on the same diet", "endpoint": "Insulin-stimulated phosphorylation", "effect_direction": "decrease", "combination": "single", "conditions": [{"entity_slug": "mouse-gpx1-overexpression", "state": "GPX1 overexpression"}]} Explicit extracted experimental comparison; source-derived draft.
- experimental_model
- Male transgenic mice; selenium-adequate 0.4 mg/kg diet, ages 8 to 24 weeks
- limitations
- Overexpression experiment, not dietary selenium excess. Excess ROS quenching is a proposed explanation rather than a measured universal mechanism.
- primary_references
- McClung et al. 2004; DOI:10.1073/pnas.0308096101; PMID:15184668; https://pmc.ncbi.nlm.nih.gov/articles/PMC428436/
Diabetes cascade: targeted primary-source supplement · lines 30–30
See claim-local references; curated paraphrases reviewed 2026-09-20. · supports · Male transgenic mice; selenium-adequate 0.4 mg/kg diet, ages 8 to 24 weeks · source_derived_draft · unverified_draft
GPX1-overexpressing mice showed reduced insulin-stimulated receptor phosphorylation in liver and Akt phosphorylation in liver and soleus. Model: Male transgenic mice; selenium-adequate 0.4 mg/kg diet, ages 8 to 24 weeks. Limits: Overexpression experiment, not dietary selenium excess. Excess ROS quenching is a proposed explanation rather than a measured universal mechanism. Primary reference: McClung et al. 2004; DOI:10.1073/pnas.0308096101; PMID:15184668; https://pmc.ncbi.nlm.nih.gov/articles/PMC428436/
Complete structured claim and evidence
Where it participates (unsigned role)
Chromium-associated GLUT4 trafficking in this study was not accompanied by enhancement of the examined insulin-receptor, IRS-1, PI3K or Akt signaling steps.
Experimental context and source evidence
- evidence_span
- {"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"}
- experimental_model
- GLUT4 trafficking, glucose uptake and cholesterol add-back experiments
- exposure
- Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation
- limitations
- Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found.
- nutrient_topic
- Chromium research collection; topical membership is not evidence of a direct dietary effect. · Chromium
- organism
- Mouse 3T3-L1 adipocytes
- plain_language
- The transporter effect did not require a bigger response in the insulin-signaling measurements tested here.
- primary_references
- [chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255
- tissue_or_cell_type
- Cultured adipocyte plasma membrane
Chromium: transport, insulin signaling, nutrient interactions and essentiality debate (2026-09-17) · lines 341–352
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · GLUT4 trafficking, glucose uptake and cholesterol add-back experiments · source_derived_draft · unverified_draft
### chromium-proximal-signaling-not-amplified Chromium-associated GLUT4 trafficking in this study was not accompanied by enhancement of the examined insulin-receptor, IRS-1, PI3K or Akt signaling steps. Condition category: normal nutrient_topic: Chromium research collection; topical membership is not evidence of a direct dietary effect. plain_language: The transporter effect did not require a bigger response in the insulin-signaling measurements tested here. organism: Mouse 3T3-L1 adipocytes tissue_or_cell_type: Cultured adipocyte plasma membrane experimental_model: GLUT4 trafficking, glucose uptake and cholesterol add-back experiments limitations: Cell-culture pharmacology does not establish an essential dietary function. Vesicle arrival near the membrane and actual membrane insertion are different observations; no amplification of the tested proximal insulin signals was found. exposure: Chromium(III) chloride or chromium picolinate; insulin stimulation and cholesterol manipulation evidence_span: {"source_cache": "artifacts/chromium-research/16339278.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657", "start_char": 0, "end_char": 1949, "text_sha256": "57c07800ec80a0386c1c510fe0bd73bc5ebf196541580a5255565f8deafde657"} [chromium-p16339278] Chromium activates glucose transporter 4 trafficking and enhances insulin-stimulated glucose transport in 3T3-L1 adipocytes via a cholesterol-dependent mechanism. (2006). https://pubmed.ncbi.nlm.nih.gov/16339278/ DOI: 10.1210/me.2005-0255
Complete structured claim and evidenceLipoic acid increased glucose uptake in 3T3-L1 adipocytes; intracellular thiol modification or inhibition of the upstream oxidant response blocked stimulation.
Experimental context and source evidence
- evidence_span
- {"source_cache": "artifacts/ala-research/12948866.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9", "start_char": 0, "end_char": 1489, "text_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9"}
- experimental_model
- Protein-thiol, phosphorylation and glucose-uptake assays
- exposure
- Alpha-lipoic-acid stimulation with redox/thiol inhibitors
- limitations
- Cell-culture redox signaling; not proof that lipoic acid invariably lowers oxidation in all settings.
- nutrient_topic
- Alpha-lipoic acid research collection; topical membership is not evidence of a direct dietary effect. · Lipoic acid
- organism
- Mouse
- plain_language
- The glucose response depended on the cell’s redox-signaling machinery.
- primary_references
- [ala-p12948866] Alpha-lipoic acid decreases thiol reactivity of the insulin receptor and protein tyrosine phosphatase 1B in 3T3-L1 adipocytes. (2003). https://pubmed.ncbi.nlm.nih.gov/12948866/ DOI: 10.1016/s0006-2952(03)00395-2
- tissue_or_cell_type
- 3T3-L1 adipocytes
Alpha-lipoic acid: cofactor assembly, redox signaling and nutrient interactions (2026-09-17) · lines 962–973
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Protein-thiol, phosphorylation and glucose-uptake assays · source_derived_draft · unverified_draft
### ala-adipocyte-glucose Lipoic acid increased glucose uptake in 3T3-L1 adipocytes; intracellular thiol modification or inhibition of the upstream oxidant response blocked stimulation. Condition category: normal nutrient_topic: Alpha-lipoic acid research collection; topical membership is not evidence of a direct dietary effect. plain_language: The glucose response depended on the cell’s redox-signaling machinery. organism: Mouse tissue_or_cell_type: 3T3-L1 adipocytes experimental_model: Protein-thiol, phosphorylation and glucose-uptake assays limitations: Cell-culture redox signaling; not proof that lipoic acid invariably lowers oxidation in all settings. exposure: Alpha-lipoic-acid stimulation with redox/thiol inhibitors evidence_span: {"source_cache": "artifacts/ala-research/12948866.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9", "start_char": 0, "end_char": 1489, "text_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9"} [ala-p12948866] Alpha-lipoic acid decreases thiol reactivity of the insulin receptor and protein tyrosine phosphatase 1B in 3T3-L1 adipocytes. (2003). https://pubmed.ncbi.nlm.nih.gov/12948866/ DOI: 10.1016/s0006-2952(03)00395-2
Complete structured claim and evidenceLipoic-acid treatment increased intracellular oxidant signals, reduced insulin-receptor thiol reactivity and increased receptor phosphorylation.
Experimental context and source evidence
- evidence_span
- {"source_cache": "artifacts/ala-research/12948866.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9", "start_char": 0, "end_char": 1489, "text_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9"}
- experimental_model
- Protein-thiol, phosphorylation and glucose-uptake assays
- exposure
- Alpha-lipoic-acid stimulation with redox/thiol inhibitors
- limitations
- Cell-culture redox signaling; not proof that lipoic acid invariably lowers oxidation in all settings.
- nutrient_topic
- Alpha-lipoic acid research collection; topical membership is not evidence of a direct dietary effect. · Lipoic acid
- organism
- Mouse
- plain_language
- A local oxidant signal accompanied insulin-receptor activation.
- primary_references
- [ala-p12948866] Alpha-lipoic acid decreases thiol reactivity of the insulin receptor and protein tyrosine phosphatase 1B in 3T3-L1 adipocytes. (2003). https://pubmed.ncbi.nlm.nih.gov/12948866/ DOI: 10.1016/s0006-2952(03)00395-2
- tissue_or_cell_type
- 3T3-L1 adipocytes
Alpha-lipoic acid: cofactor assembly, redox signaling and nutrient interactions (2026-09-17) · lines 936–947
AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Protein-thiol, phosphorylation and glucose-uptake assays · source_derived_draft · unverified_draft
### ala-adipocyte-insr-redox Lipoic-acid treatment increased intracellular oxidant signals, reduced insulin-receptor thiol reactivity and increased receptor phosphorylation. Condition category: normal nutrient_topic: Alpha-lipoic acid research collection; topical membership is not evidence of a direct dietary effect. plain_language: A local oxidant signal accompanied insulin-receptor activation. organism: Mouse tissue_or_cell_type: 3T3-L1 adipocytes experimental_model: Protein-thiol, phosphorylation and glucose-uptake assays limitations: Cell-culture redox signaling; not proof that lipoic acid invariably lowers oxidation in all settings. exposure: Alpha-lipoic-acid stimulation with redox/thiol inhibitors evidence_span: {"source_cache": "artifacts/ala-research/12948866.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9", "start_char": 0, "end_char": 1489, "text_sha256": "0440cb8edaf0213af3824367ee799d1a1916ed2340c9da99588d83c7581804b9"} [ala-p12948866] Alpha-lipoic acid decreases thiol reactivity of the insulin receptor and protein tyrosine phosphatase 1B in 3T3-L1 adipocytes. (2003). https://pubmed.ncbi.nlm.nih.gov/12948866/ DOI: 10.1016/s0006-2952(03)00395-2
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.