Target intelligence / Profile preview

Phosphatidylinositol phosphate kinase type III beta (PIKfyve)

Target
PIKfyve
Molecular classification
Lipid Kinase
01

Overview

Phosphatidylinositol phosphate kinase type III beta (PIKfyve) is a lipid kinase that phosphorylates PI(3)P to generate PI(3,5)P₂ and regulates PI(5)P levels. It is crucial for endosomal trafficking, lysosome maturation, and ion homeostasis. Dysfunction is linked to lysosomal storage diseases and neurological disorders.

Other names
PIP5K3Phosphoinositide kinase type III beta
02

Mechanism of action

Inhibition of PIKfyve

03

Biological functions

Endosomal traffickingLysosome maturationIon homeostasisRetrograde transport
04

Disease associations

Lysosomal storage diseasesNeurological disordersGaucher’s diseaseParkinson’s disease (potential link)
05

Safety considerations

Cytoplasmic vacuolation due to defective membrane trafficking

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