Component

Lysyl oxidase enzyme family

Independent protein family record; interpretation is limited by each linked claim and its study context.

3 recorded relationships. Experimental role, claim status and evidence remain attached to each record.

Read recorded mechanisms Open recursive mind map

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.

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 it acts on

  1. Lysyl-oxidase activity can convert collagen hydroxylysine side chains to hydroxyallysine.

    Lysyl oxidase enzyme family → Collagen-bound 5-hydroxylysine residues source_derived_draftungraded
    Experimental context and source evidence
    experimental_model
    LOXL2 assay development with extracellular matrix; family-level reaction context.
    limitations
    This is a reaction-class record; not every hydroxylysine site is an accessible LOX substrate.
    organism
    Mammalian cells/tissues and recombinant LOXL2; see study methods
    plain_language
    Hydroxylated lysines provide a different aldehyde starting point for cross-links.
    primary_references
    [lox-assay-2021] An in situ activity assay for lysyl oxidases (2021). https://pubmed.ncbi.nlm.nih.gov/34226627/
    tissue_or_cell_type
    Not specified as a whole tissue; see experimental model.

    L-Lysine: mechanism-first literature curation (2026-09-17) · lines 477–485

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · LOXL2 assay development with extracellular matrix; family-level reaction context. · source_derived_draft · unverified_draft

    ### lox-hydroxylysine-oxidation Lysyl-oxidase activity can convert collagen hydroxylysine side chains to hydroxyallysine. Plain language: Hydroxylated lysines provide a different aldehyde starting point for cross-links. Condition category: normal organism: Mammalian cells/tissues and recombinant LOXL2; see study methods tissue_or_cell_type: Not specified as a whole tissue; see experimental model. experimental_model: LOXL2 assay development with extracellular matrix; family-level reaction context. limitations: This is a reaction-class record; not every hydroxylysine site is an accessible LOX substrate. [lox-assay-2021] An in situ activity assay for lysyl oxidases (2021). https://pubmed.ncbi.nlm.nih.gov/34226627/
    Complete structured claim and evidence

  2. Lysyl oxidase converts suitable peptidyl lysines to allysine, producing ammonia and hydrogen peroxide.

    Lysyl oxidase enzyme family → Collagen/elastin peptidyl lysine substrates source_derived_draftungraded
    Experimental context and source evidence
    experimental_model
    LOXL2 assay development and total-family activity detection in cultured cells and tissue.
    limitations
    Substrate sites and enzyme-family members differ; peroxide production alone does not establish systemic oxidative injury.
    organism
    Mammalian cells/tissues and recombinant LOXL2; see study methods
    plain_language
    An enzyme creates reactive attachment sites used in matrix cross-linking.
    primary_references
    [lox-assay-2021] An in situ activity assay for lysyl oxidases (2021). https://pubmed.ncbi.nlm.nih.gov/34226627/
    tissue_or_cell_type
    Not specified as a whole tissue; see experimental model.

    L-Lysine: mechanism-first literature curation (2026-09-17) · lines 467–475

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · LOXL2 assay development and total-family activity detection in cultured cells and tissue. · source_derived_draft · unverified_draft

    ### lox-peptidyl-lysine-oxidation Lysyl oxidase converts suitable peptidyl lysines to allysine, producing ammonia and hydrogen peroxide. Plain language: An enzyme creates reactive attachment sites used in matrix cross-linking. Condition category: normal organism: Mammalian cells/tissues and recombinant LOXL2; see study methods tissue_or_cell_type: Not specified as a whole tissue; see experimental model. experimental_model: LOXL2 assay development and total-family activity detection in cultured cells and tissue. limitations: Substrate sites and enzyme-family members differ; peroxide production alone does not establish systemic oxidative injury. [lox-assay-2021] An in situ activity assay for lysyl oxidases (2021). https://pubmed.ncbi.nlm.nih.gov/34226627/
    Complete structured claim and evidence

Where it participates (unsigned role)

  1. Atp7a silencing reduced LOX/LOXL activity in mouse mammary and lung carcinoma models.

    Mouse copper-transporting ATPase Atp7a → Mouse LOX and LOXL enzyme activity source_derived_draftungraded
    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/copper-research/30890638.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "bc966add777f73d031bc34724fb8a07c6f4df2493086e13df7ae4521dee74816", "start_char": 0, "end_char": 1001, "text_sha256": "bc966add777f73d031bc34724fb8a07c6f4df2493086e13df7ae4521dee74816"}
    experimental_model
    Atp7a silencing and orthotopic tumor experiments
    exposure
    Atp7a silencing
    limitations
    Tumor models are not evidence that dietary copper causes cancer or that copper restriction treats it; the human survival component was associative.
    nutrient_topic
    Copper research collection; topical membership is not evidence of a direct dietary effect. · Copper
    organism
    Mouse; separate human survival association
    plain_language
    The copper delivery pump helps activate extracellular cross-linking enzymes.
    primary_references
    [copper-p30890638] ATP7A delivers copper to the lysyl oxidase family of enzymes and promotes tumorigenesis and metastasis. (2019). https://pubmed.ncbi.nlm.nih.gov/30890638/ DOI: 10.1073/pnas.1817473116
    tissue_or_cell_type
    4T1 mammary carcinoma and Lewis lung carcinoma

    Copper: transport, cuproenzymes, deficiency, excess and nutrient interactions (2026-09-17) · lines 923–934

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Atp7a silencing and orthotopic tumor experiments · source_derived_draft · unverified_draft

    ### copper-atp7a-lox-loading Atp7a silencing reduced LOX/LOXL activity in mouse mammary and lung carcinoma models. Condition category: normal nutrient_topic: Copper research collection; topical membership is not evidence of a direct dietary effect. plain_language: The copper delivery pump helps activate extracellular cross-linking enzymes. organism: Mouse; separate human survival association tissue_or_cell_type: 4T1 mammary carcinoma and Lewis lung carcinoma experimental_model: Atp7a silencing and orthotopic tumor experiments limitations: Tumor models are not evidence that dietary copper causes cancer or that copper restriction treats it; the human survival component was associative. exposure: Atp7a silencing evidence_span: {"source_cache": "artifacts/copper-research/30890638.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "bc966add777f73d031bc34724fb8a07c6f4df2493086e13df7ae4521dee74816", "start_char": 0, "end_char": 1001, "text_sha256": "bc966add777f73d031bc34724fb8a07c6f4df2493086e13df7ae4521dee74816"} [copper-p30890638] ATP7A delivers copper to the lysyl oxidase family of enzymes and promotes tumorigenesis and metastasis. (2019). https://pubmed.ncbi.nlm.nih.gov/30890638/ DOI: 10.1073/pnas.1817473116
    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.

    Evidence, AI assistance and curation standards