Indicator Explainer

Growth/Differentiation Factor 15

Growth/differentiation factor 15 (308 aa, ~34 kDa) is encoded by the human GDF15 gene. This protein plays a role in both tissue differentiation and signal transduction.

Reviewed 2026-10-20
Read this first

This page explains what the indicator is and how results are interpreted in general terms. Reference ranges depend on the laboratory, the method, and your own situation — no single “normal value” applies to everyone. This page is health information, not a diagnosis. For symptoms, treatment, or urgent concerns, contact a healthcare professional.

When it is tested

Source: National Cancer Institute, NCI Thesaurus 26.09d, C34026. NCI definition, reproduced without modification under CC BY 4.0. Source identity and definition checked automatically on 2026-10-20. No individual clinical interpretation or human reviewer is asserted.

Reading results

Reference intervals and interpretation depend on the laboratory, specimen, method and clinical context. This source definition is educational information; it does not establish a diagnosis, product approval or suitability for an individual.

Also Known As

GDF-15GDF15Growth/Differentiation Factor 15Macrophage Inhibitory Cytokine 1Macrophage Inhibitory Cytokine-1Macrophage-Inhibiting Cytokine 1MIC1NAG-1NAG1Nonsteroidal Anti-Inflammatory Drug-Activated Protein 1NRG-1NRG1NSAID (Nonsteroidal Anti-Inflammatory Drug)-Activated Protein 1NSAID-Activated Gene 1 ProteinNSAID-Activated Protein 1NSAID-Regulated Gene 1 ProteinNSAID-Regulated Protein 1PDFPlacental Bone Morphogenic ProteinPlacental TGF-BetaProstate Differentiation FactorProstate-Derived FactorPTGF-BetaPTGFB