IGFBP3 Gene

What is the IGFBP3 gene?

IGFBP3 encodes insulin-like growth factor binding protein 3, a protein involved in IGF bioavailability regulation. It belongs to the Neuroendocrine category and is part of the Metabolic Regulation biological cluster. IGFBP3 encodes the major carrier of circulating IGF-1, extending its half-life and modulating its bioavailability.

Biological role and pathway

IGFBP3 is involved in the IGF bioavailability regulation pathway, which plays a central role in regulating physiological processes relevant to immune defence, cellular energy, and systemic homeostasis. Genes within the Metabolic Regulation cluster work together to maintain balanced function across interconnected biological systems.

Variants in genes within this pathway may influence an individual's predisposition to altered function in these systems — particularly under conditions of physiological stress such as viral infection or prolonged illness.

Known genetic variants

The following variants (SNPs) in the IGFBP3 gene have been studied in relation to neuroendocrine and chronic illness. Each variant represents a single nucleotide position where individuals may carry different alleles.

• rs2854744— IGFBP3 variant
• rs3110697— IGFBP3 variant

Conditions studied in relation to IGFBP3

Research into IGFBP3 variants has explored associations with the following conditions. These are areas of scientific investigation and do not imply that IGFBP3 causes or treats any condition.

Genetic insights from DNA data

Consumer DNA files from 23andMe, AncestryDNA, and MyHeritage contain raw SNP data. When you upload your file to ChronicDNA, the analysis engine checks your genotype against a curated panel of 80+ genes selected for their relevance to Long COVID, ME/CFS, and connected biological pathways - some of which may include IGFBP3 and related genes in the metabolic regulation pathway.

The report is educational - it explains which variants you carry, what the research says about them, and how they fit into the biological pathways most relevant to chronic illness. Results are presented in plain English with appropriate scientific context, no medical jargon, no scare tactics. All results should be discussed with a qualified healthcare provider.

Related genes in the Metabolic Regulation pathway

IGFBP3 does not act in isolation. The following genes are functionally related and may be analysed together for a more complete picture of your genetic predispositions.

Frequently asked questions