Component

Human CYP2C9/CYP2C19/CYP3A4 assay panel

Context-specific entity; species, compartment and exposure are stated on each 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.

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. Tested luteolin conjugates had no or weak inhibition of CYP2C9, CYP2C19 and CYP3A4.

    Experimental context and source evidence
    evidence_access
    Primary abstract
    experimental_model
    Human CYP assays.
    limitations
    Restricted enzyme panel; not a blanket absence of interactions.
    nutrient_topic
    Luteolin collection; molecular form, preparation, species, exposure and manipulation remain explicit. · Luteolin / 3′,4′,5,7-tetrahydroxyflavone
    plain_language
    The parent’s effects cannot simply be assigned to every metabolite.
    primary_references
    Interaction of luteolin, naringenin, and their sulfate and glucuronide conjugates with human serum albumin, cytochrome P450 (CYP2C9, CYP2C19, and CYP3A4) enzymes and organic anion transporting polypeptide (OATP1B1 and OATP2B1) transporters. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36481402/ · DOI 10.1016/j.biopha.2022.114078

    Luteolin: metabolism, immune signaling, redox chemistry and cross-nutrient mechanisms (2026-09-19) · lines 244–250

    AI-assisted research curation; primary-abstract references and experimental limitations individually identified. Not publisher full text. · supports · Human CYP assays. · source_derived_draft · unverified_draft

    ## luteolin-conjugate-cyp The parent’s effects cannot simply be assigned to every metabolite. Tested luteolin conjugates had no or weak inhibition of CYP2C9, CYP2C19 and CYP3A4. Model: Human CYP assays. Limitations: Restricted enzyme panel; not a blanket absence of interactions. Evidence access: Primary abstract Interaction of luteolin, naringenin, and their sulfate and glucuronide conjugates with human serum albumin, cytochrome P450 (CYP2C9, CYP2C19, and CYP3A4) enzymes and organic anion transporting polypeptide (OATP1B1 and OATP2B1) transporters. · 2023 · https://pubmed.ncbi.nlm.nih.gov/36481402/ · DOI 10.1016/j.biopha.2022.114078
    Complete structured claim and evidence
  2. Naringenin sulfate and glucuronide conjugates showed no or only weak inhibition of CYP2C9, CYP2C19 and CYP3A4 in the tested assays.

    Experimental context and source evidence
    dose
    Naringenin conjugate concentration series
    duration
    Acute enzyme incubation
    evidence_access
    Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.
    evidence_scope
    literature_reviewed; model-specific source-derived curation
    experimental_model
    Human CYP enzyme assays
    limitations
    This is a useful negative/weak result for the tested enzymes, not a complete drug-interaction screen.
    nutrient_topic
    Naringenin chapter; interacting nutrients, drugs, peptides and proteins retain their experimental settings. · Naringenin
    organism
    Human CYP enzyme assays
    plain_language
    Naringenin sulfate and glucuronide conjugates showed no or only weak inhibition of CYP2C9, CYP2C19 and CYP3A4 in the tested assays.
    primary_references
    Interaction of luteolin, naringenin, and their sulfate and glucuronide conjugates with human serum albumin, cytochrome P450 (CYP2C9, CYP2C19, and CYP3A4) enzymes and organic anion transporting polypeptide (OATP1B1 and OATP2B1) transporters. (2023). https://pubmed.ncbi.nlm.nih.gov/36481402/ DOI: 10.1016/j.biopha.2022.114078
    route
    In vitro
    tissue
    CYP2C9, CYP2C19 and CYP3A4 activity

    Naringenin: mechanism of action and interactions (2026-09-20) · lines 77–86

    Original AI-assisted source-specific curation with primary-study citations, model, exposure, route, duration, negative findings and limitations preserved. Not publisher full text. · supports · Human CYP enzyme assays · source_derived_draft · unverified_draft

    ## naringenin-cyp-weak-null Naringenin sulfate and glucuronide conjugates showed no or only weak inhibition of CYP2C9, CYP2C19 and CYP3A4 in the tested assays. Model/species: Human CYP enzyme assays Tissue/system: CYP2C9, CYP2C19 and CYP3A4 activity Exposure: Naringenin conjugate concentration series Route: In vitro Duration: Acute enzyme incubation Limits: This is a useful negative/weak result for the tested enzymes, not a complete drug-interaction screen. Primary reference: Interaction of luteolin, naringenin, and their sulfate and glucuronide conjugates with human serum albumin, cytochrome P450 (CYP2C9, CYP2C19, and CYP3A4) enzymes and organic anion transporting polypeptide (OATP1B1 and OATP2B1) transporters. (2023). https://pubmed.ncbi.nlm.nih.gov/36481402/ DOI: 10.1016/j.biopha.2022.114078 Access: Primary PubMed abstract and indexed metadata reviewed. Full-text method details not stated here remain unresolved.
    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