Component

FGFR1 cysteine/methionine oxidation in the 2026 osteosarcoma study

FGFR1 cysteine/methionine oxidation in the 2026 osteosarcoma study. Species, exposure and limitations are retained in each linked 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.

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.

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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 it acts on

  1. FGFR1 oxidation promoted receptor activation and downstream signaling in the phosphate-sensing tumor-model experiments.

    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/phosphorus-research/42247296.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76", "start_char": 0, "end_char": 1041, "text_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76"}
    experimental_model
    Osteosarcoma-cell signaling with in-vivo tumor experiments
    exposure
    Elevated phosphate challenges and receptor activation experiments
    limitations
    New 2026 mechanism in tumor models; blood-Pi/tumor-growth association is not proof that dietary phosphorus causes human cancer. No specific transporter or oxidized residue number is invented from the abstract.
    nutrient_topic
    Phosphorus research collection; topical membership is not evidence of a direct dietary effect. · Phosphorus
    organism
    Osteosarcoma cellular and animal systems; precise species not fully resolved from abstract
    plain_language
    Phosphate triggered receptor signaling through an indirect chemical route.
    primary_references
    [phosphorus-p42247296] Unconventional activation of the proto-oncogene FGFR1 by extracellular phosphate via H2O2-mediated kinase oxidation. (2026). https://pubmed.ncbi.nlm.nih.gov/42247296/ DOI: 10.1016/j.celrep.2026.117504
    tissue_or_cell_type
    Plasma-membrane/mitochondrial phosphate handling and FGFR1 signaling

    Phosphorus: metabolism, signaling and nutrient connections (2026-09-17) · lines 893–904

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Osteosarcoma-cell signaling with in-vivo tumor experiments · source_derived_draft · unverified_draft

    ### phosphorus-fgfr-activation FGFR1 oxidation promoted receptor activation and downstream signaling in the phosphate-sensing tumor-model experiments. Condition category: normal nutrient_topic: Phosphorus research collection; topical membership is not evidence of a direct dietary effect. plain_language: Phosphate triggered receptor signaling through an indirect chemical route. organism: Osteosarcoma cellular and animal systems; precise species not fully resolved from abstract tissue_or_cell_type: Plasma-membrane/mitochondrial phosphate handling and FGFR1 signaling experimental_model: Osteosarcoma-cell signaling with in-vivo tumor experiments limitations: New 2026 mechanism in tumor models; blood-Pi/tumor-growth association is not proof that dietary phosphorus causes human cancer. No specific transporter or oxidized residue number is invented from the abstract. exposure: Elevated phosphate challenges and receptor activation experiments evidence_span: {"source_cache": "artifacts/phosphorus-research/42247296.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76", "start_char": 0, "end_char": 1041, "text_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76"} [phosphorus-p42247296] Unconventional activation of the proto-oncogene FGFR1 by extracellular phosphate via H2O2-mediated kinase oxidation. (2026). https://pubmed.ncbi.nlm.nih.gov/42247296/ DOI: 10.1016/j.celrep.2026.117504
    Complete structured claim and evidence

What acts on it

  1. The phosphate-associated hydrogen-peroxide burst oxidized critical cysteine and methionine residues of FGFR1.

    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/phosphorus-research/42247296.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76", "start_char": 0, "end_char": 1041, "text_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76"}
    experimental_model
    Osteosarcoma-cell signaling with in-vivo tumor experiments
    exposure
    Elevated phosphate challenges and receptor activation experiments
    limitations
    New 2026 mechanism in tumor models; blood-Pi/tumor-growth association is not proof that dietary phosphorus causes human cancer. No specific transporter or oxidized residue number is invented from the abstract.
    nutrient_topic
    Phosphorus research collection; topical membership is not evidence of a direct dietary effect. · Phosphorus
    organism
    Osteosarcoma cellular and animal systems; precise species not fully resolved from abstract
    plain_language
    A redox change reached the receptor protein.
    primary_references
    [phosphorus-p42247296] Unconventional activation of the proto-oncogene FGFR1 by extracellular phosphate via H2O2-mediated kinase oxidation. (2026). https://pubmed.ncbi.nlm.nih.gov/42247296/ DOI: 10.1016/j.celrep.2026.117504
    tissue_or_cell_type
    Plasma-membrane/mitochondrial phosphate handling and FGFR1 signaling

    Phosphorus: metabolism, signaling and nutrient connections (2026-09-17) · lines 880–891

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Osteosarcoma-cell signaling with in-vivo tumor experiments · source_derived_draft · unverified_draft

    ### phosphorus-peroxide-fgfr The phosphate-associated hydrogen-peroxide burst oxidized critical cysteine and methionine residues of FGFR1. Condition category: normal nutrient_topic: Phosphorus research collection; topical membership is not evidence of a direct dietary effect. plain_language: A redox change reached the receptor protein. organism: Osteosarcoma cellular and animal systems; precise species not fully resolved from abstract tissue_or_cell_type: Plasma-membrane/mitochondrial phosphate handling and FGFR1 signaling experimental_model: Osteosarcoma-cell signaling with in-vivo tumor experiments limitations: New 2026 mechanism in tumor models; blood-Pi/tumor-growth association is not proof that dietary phosphorus causes human cancer. No specific transporter or oxidized residue number is invented from the abstract. exposure: Elevated phosphate challenges and receptor activation experiments evidence_span: {"source_cache": "artifacts/phosphorus-research/42247296.abstract.txt", "locator": "Primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76", "start_char": 0, "end_char": 1041, "text_sha256": "a8d4221d8a5c56a5937ab8262e3ece5ed87692cb876ddcc0a08e7f68b66a9b76"} [phosphorus-p42247296] Unconventional activation of the proto-oncogene FGFR1 by extracellular phosphate via H2O2-mediated kinase oxidation. (2026). https://pubmed.ncbi.nlm.nih.gov/42247296/ DOI: 10.1016/j.celrep.2026.117504
    Complete structured claim and evidence

In the sources

Preserved passages that mention this component, quoted exactly. Open one to read it in context.

    This is a research prototype built from draft material. It is not medical advice, and its statements still await verification against the original studies.

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