Component

Oxidative degradation of reduced folates

Defined biochemical process or measured endpoint; not a unique causal entity for an entire sentence.

1 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.

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

  1. Biochemical experiments identified QDPR activity that repairs oxidatively damaged tetrahydrofolate.

    Experimental context and source evidence
    cross_nutrient
    Shared QDPR machinery connects biopterin and folate redox maintenance.
    experimental_model
    Biochemical enzyme experiments
    exposure
    Assay conditions described in the linked primary study.
    limitations
    Repair capacity is finite; no human dietary requirement was determined.
    nutrient_topic
    Folate and folic acid research collection; topical membership is not evidence of a direct dietary effect. · Folate (vitamin B9)
    organism
    Homo sapiens
    plain_language
    An enzyme also used in biopterin metabolism helps preserve reduced folate.
    primary_references
    [zheng-2018] Mitochondrial One-Carbon Pathway Supports Cytosolic Folate Integrity in Cancer Cells (2018). https://pubmed.ncbi.nlm.nih.gov/30500537/ DOI: 10.1016/j.cell.2018.09.041
    tissue_or_cell_type
    Cell-free and cancer-cell experiments

    Folate and folic acid: mechanisms, deficiency and nutrient interactions (2026-09-17) · lines 1230–1241

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

    ### qdpr-folate-repair Biochemical experiments identified QDPR activity that repairs oxidatively damaged tetrahydrofolate. Condition category: normal nutrient_topic: Folate and folic acid research collection; topical membership is not evidence of a direct dietary effect. plain_language: An enzyme also used in biopterin metabolism helps preserve reduced folate. organism: Homo sapiens tissue_or_cell_type: Cell-free and cancer-cell experiments experimental_model: Biochemical enzyme experiments limitations: Repair capacity is finite; no human dietary requirement was determined. exposure: Assay conditions described in the linked primary study. cross_nutrient: Shared QDPR machinery connects biopterin and folate redox maintenance. [zheng-2018] Mitochondrial One-Carbon Pathway Supports Cytosolic Folate Integrity in Cancer Cells (2018). https://pubmed.ncbi.nlm.nih.gov/30500537/ DOI: 10.1016/j.cell.2018.09.041
    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