Component

Parenteral manganese administration

Parenteral manganese administration. Experimental scope belongs to 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.

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. Whole-blood manganese and pallidal T1-weighted MRI signal changed with manganese administration and withdrawal; their correlation was r=0.7693.

    Experimental context and source evidence
    cross_nutrient
    Whole-blood manganese concentration (correlated_marker); Manganese (administered_nutrient)
    evidence_span
    {"source_cache": "artifacts/manganese-clinical-sources/takagi2001.abstract.txt", "locator": "Indexed primary abstract", "file_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "start_char": 0, "end_char": 1726, "text_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "text_characters": 1726}
    experimental_model
    On-off manganese study in 11 adults on home parenteral nutrition
    exposure
    Parenteral nutrition containing 0 or 20 micromoles Mn/day; serial blood and MRI measurements.
    limitations
    Intravenous exposure bypasses intestinal regulation. T1-weighted signal is a deposition-related marker, not by itself proof of neurological disability or a general dietary threshold.
    nutrient_topic
    Manganese research collection; topical membership is not evidence of a direct dietary effect. · Manganese
    organism
    Homo sapiens
    plain_language
    Blood and brain imaging responded together under this intravenous exposure.
    primary_references
    [mn-clin-takagi2001] On-off study of manganese administration to adult patients undergoing home parenteral nutrition: new indices of in vivo manganese level. (2001). https://pubmed.ncbi.nlm.nih.gov/11284475/ DOI: 10.1177/014860710102500287
    tissue_or_cell_type
    Whole blood and brain MRI

    Manganese: enzyme cofactors, glycosylation, transport and nutrient interactions (2026-09-17) · lines 1328–1340

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · On-off manganese study in 11 adults on home parenteral nutrition · source_derived_draft · unverified_draft

    ### mn-clin-parenteral-marker-response Whole-blood manganese and pallidal T1-weighted MRI signal changed with manganese administration and withdrawal; their correlation was r=0.7693. Condition category: normal nutrient_topic: Manganese research collection; topical membership is not evidence of a direct dietary effect. plain_language: Blood and brain imaging responded together under this intravenous exposure. organism: Homo sapiens tissue_or_cell_type: Whole blood and brain MRI experimental_model: On-off manganese study in 11 adults on home parenteral nutrition limitations: Intravenous exposure bypasses intestinal regulation. T1-weighted signal is a deposition-related marker, not by itself proof of neurological disability or a general dietary threshold. exposure: Parenteral nutrition containing 0 or 20 micromoles Mn/day; serial blood and MRI measurements. cross_nutrient: Whole-blood manganese concentration (correlated_marker); Manganese (administered_nutrient) evidence_span: {"source_cache": "artifacts/manganese-clinical-sources/takagi2001.abstract.txt", "locator": "Indexed primary abstract", "file_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "start_char": 0, "end_char": 1726, "text_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "text_characters": 1726} [mn-clin-takagi2001] On-off study of manganese administration to adult patients undergoing home parenteral nutrition: new indices of in vivo manganese level. (2001). https://pubmed.ncbi.nlm.nih.gov/11284475/ DOI: 10.1177/014860710102500287
    Complete structured claim and evidence
  2. The increased T1-weighted signal took at least five months to disappear after manganese withdrawal.

    Experimental context and source evidence
    cross_nutrient
    Manganese (withdrawn_nutrient)
    evidence_span
    {"source_cache": "artifacts/manganese-clinical-sources/takagi2001.abstract.txt", "locator": "Indexed primary abstract", "file_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "start_char": 0, "end_char": 1726, "text_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "text_characters": 1726}
    experimental_model
    On-off manganese study in 11 adults on home parenteral nutrition
    exposure
    Parenteral nutrition containing 0 or 20 micromoles Mn/day; serial blood and MRI measurements.
    limitations
    Intravenous exposure bypasses intestinal regulation. T1-weighted signal is a deposition-related marker, not by itself proof of neurological disability or a general dietary threshold.
    nutrient_topic
    Manganese research collection; topical membership is not evidence of a direct dietary effect. · Manganese
    organism
    Homo sapiens
    plain_language
    A brain exposure marker could take months to return toward normal.
    primary_references
    [mn-clin-takagi2001] On-off study of manganese administration to adult patients undergoing home parenteral nutrition: new indices of in vivo manganese level. (2001). https://pubmed.ncbi.nlm.nih.gov/11284475/ DOI: 10.1177/014860710102500287
    tissue_or_cell_type
    Whole blood and brain MRI

    Manganese: enzyme cofactors, glycosylation, transport and nutrient interactions (2026-09-17) · lines 1342–1354

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · On-off manganese study in 11 adults on home parenteral nutrition · source_derived_draft · unverified_draft

    ### mn-clin-parenteral-mri-recovery The increased T1-weighted signal took at least five months to disappear after manganese withdrawal. Condition category: normal nutrient_topic: Manganese research collection; topical membership is not evidence of a direct dietary effect. plain_language: A brain exposure marker could take months to return toward normal. organism: Homo sapiens tissue_or_cell_type: Whole blood and brain MRI experimental_model: On-off manganese study in 11 adults on home parenteral nutrition limitations: Intravenous exposure bypasses intestinal regulation. T1-weighted signal is a deposition-related marker, not by itself proof of neurological disability or a general dietary threshold. exposure: Parenteral nutrition containing 0 or 20 micromoles Mn/day; serial blood and MRI measurements. cross_nutrient: Manganese (withdrawn_nutrient) evidence_span: {"source_cache": "artifacts/manganese-clinical-sources/takagi2001.abstract.txt", "locator": "Indexed primary abstract", "file_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "start_char": 0, "end_char": 1726, "text_sha256": "e5336a20271762ff7375cfe777c71c9b721c68bc47ae09e9a36b8eaac2953b8c", "text_characters": 1726} [mn-clin-takagi2001] On-off study of manganese administration to adult patients undergoing home parenteral nutrition: new indices of in vivo manganese level. (2001). https://pubmed.ncbi.nlm.nih.gov/11284475/ DOI: 10.1177/014860710102500287
    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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