Target intelligence / Profile preview

Insulin-like Growth Factor I (IGF-1)

Target
IGF-1
Molecular classification
Protein hormone, Peptide hormone, Growth Factor
01

Overview

Insulin-like growth factor I mediates many effects attributed to growth hormone. It plays an important role throughout life—from promoting childhood linear bone/tissue expansion to supporting adult anabolic processes—and has broad implications for metabolic health.

Other names
somatomedin CIGFsulfation factornonsuppressible insulin-like activityNSILA
02

Mechanism of action

Binding to IGF1R, activating MAP kinase and PI3K pathways to regulate cell survival/growth/proliferation/differentiation

03

Biological functions

Promotion of normal bone and tissue growth and developmentAnabolic effects such as muscle hypertrophy and tissue repairRegulation of cell proliferationInhibition of apoptosis/cell deathModulation of glucose transportRegulation of neural developmentNeurogenesisMyelinationSynaptogenesisDendritic branchingNeuroprotection
04

Disease associations

AcromegalyLaron SyndromeType II DiabetesCardiovascular diseaseCancerHearing loss
05

Safety considerations

High levels associated with increased cancer riskAltered levels linked to cardiovascular disease
06

Interacting drugs

Mecasermin
07

Biomarkers

Serum IGF-I levels for diagnosis and monitoring of GH-related disorders

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