Component

Inositol (stereoisomer family)

Inositol is a family of ring-shaped sugar alcohols. The body can make myo-inositol, which supplies membrane lipids and signaling molecules that connect calcium release, ion channels, phosphate handling and protein anchoring. Free inositol, its stereoisomers, and phosphorylated derivatives have different actions; clinical effects depend on the form, tissue and study context.

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

Where it participates (unsigned role)

  1. Human placental phosphatidylinositol synthase used myo-inositol and CDP-diacylglycerol to form phosphatidylinositol.

    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/inositol-research/8110188.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "c05bb5272b443bde4f99d4af375d31988a4812150450d6c4462059a59aa8a09e", "start_char": 0, "end_char": 940, "text_sha256": "c05bb5272b443bde4f99d4af375d31988a4812150450d6c4462059a59aa8a09e"}
    experimental_model
    Purification and kinetics of placental PI synthase
    exposure
    Substrate and ion titrations
    limitations
    Assay optima and inhibitory concentrations are not dietary advice or proof of in vivo nutrient competition.
    nutrient_topic
    Inositol research collection; topical membership is not evidence of a direct dietary effect. · Inositol (stereoisomer family)
    organism
    Homo sapiens
    plain_language
    This step attaches the inositol head group to a membrane lipid.
    primary_references
    [ino-p8110188] Purification and characterization of phosphatidylinositol synthase from human placenta. (1994). https://pubmed.ncbi.nlm.nih.gov/8110188/ DOI: 10.1042/bj2970517
    tissue_or_cell_type
    Placental microsomal enzyme

    Inositol: synthesis, signaling, mineral interactions and conditional deficiency (2026-09-17) · lines 496–507

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Purification and kinetics of placental PI synthase · source_derived_draft · unverified_draft

    ### ino-cdipt-synthesis Human placental phosphatidylinositol synthase used myo-inositol and CDP-diacylglycerol to form phosphatidylinositol. Condition category: normal nutrient_topic: Inositol research collection; topical membership is not evidence of a direct dietary effect. plain_language: This step attaches the inositol head group to a membrane lipid. organism: Homo sapiens tissue_or_cell_type: Placental microsomal enzyme experimental_model: Purification and kinetics of placental PI synthase limitations: Assay optima and inhibitory concentrations are not dietary advice or proof of in vivo nutrient competition. exposure: Substrate and ion titrations evidence_span: {"source_cache": "artifacts/inositol-research/8110188.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "c05bb5272b443bde4f99d4af375d31988a4812150450d6c4462059a59aa8a09e", "start_char": 0, "end_char": 940, "text_sha256": "c05bb5272b443bde4f99d4af375d31988a4812150450d6c4462059a59aa8a09e"} [ino-p8110188] Purification and characterization of phosphatidylinositol synthase from human placenta. (1994). https://pubmed.ncbi.nlm.nih.gov/8110188/ DOI: 10.1042/bj2970517
    Complete structured claim and evidence
  2. Recombinant human ISYNA1 converted D-glucose 6-phosphate to 1D-myo-inositol 3-phosphate, an entry step in de novo inositol synthesis.

    Experimental context and source evidence
    evidence_span
    {"source_cache": "artifacts/inositol-research/15024000.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "5ab3a8eda77989c3e4a681b4a971fb7e969c285d3e5c8e41bc31713a7f88c9ac", "start_char": 0, "end_char": 1427, "text_sha256": "5ab3a8eda77989c3e4a681b4a971fb7e969c285d3e5c8e41bc31713a7f88c9ac"}
    experimental_model
    Recombinant human enzyme and complementation of yeast ino1 deletion
    exposure
    Substrate, NAD+, cation and valproate experiments
    limitations
    Purified-enzyme and yeast results do not establish supplement effects or a human dietary deficiency threshold.
    nutrient_topic
    Inositol research collection; topical membership is not evidence of a direct dietary effect. · Inositol (stereoisomer family)
    organism
    Human protein expressed in bacteria and yeast
    plain_language
    Cells have a route to build the inositol ring from a glucose-derived molecule.
    primary_references
    [ino-p15024000] Human 1-D-myo-inositol-3-phosphate synthase is functional in yeast. (2004). https://pubmed.ncbi.nlm.nih.gov/15024000/ DOI: 10.1074/jbc.m312078200
    tissue_or_cell_type
    Purified enzyme; yeast cultures

    Inositol: synthesis, signaling, mineral interactions and conditional deficiency (2026-09-17) · lines 171–182

    AI-assisted literature curation; primary study URLs and scope retained in the document and extraction. Not publisher full text. · supports · Recombinant human enzyme and complementation of yeast ino1 deletion · source_derived_draft · unverified_draft

    ### ino-isyna-synthesis Recombinant human ISYNA1 converted D-glucose 6-phosphate to 1D-myo-inositol 3-phosphate, an entry step in de novo inositol synthesis. Condition category: normal nutrient_topic: Inositol research collection; topical membership is not evidence of a direct dietary effect. plain_language: Cells have a route to build the inositol ring from a glucose-derived molecule. organism: Human protein expressed in bacteria and yeast tissue_or_cell_type: Purified enzyme; yeast cultures experimental_model: Recombinant human enzyme and complementation of yeast ino1 deletion limitations: Purified-enzyme and yeast results do not establish supplement effects or a human dietary deficiency threshold. exposure: Substrate, NAD+, cation and valproate experiments evidence_span: {"source_cache": "artifacts/inositol-research/15024000.abstract.txt", "locator": "Exact primary indexed abstract; zero-based, end-exclusive Unicode character offsets", "file_sha256": "5ab3a8eda77989c3e4a681b4a971fb7e969c285d3e5c8e41bc31713a7f88c9ac", "start_char": 0, "end_char": 1427, "text_sha256": "5ab3a8eda77989c3e4a681b4a971fb7e969c285d3e5c8e41bc31713a7f88c9ac"} [ino-p15024000] Human 1-D-myo-inositol-3-phosphate synthase is functional in yeast. (2004). https://pubmed.ncbi.nlm.nih.gov/15024000/ DOI: 10.1074/jbc.m312078200
    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