Target intelligence / Profile preview

Lipin 1 (LPIN1)

Target
LPIN1
Molecular classification
Enzyme, Phosphatidate Phosphatase, Transcriptional Coactivator
01

Overview

Lipin 1 is a multifunctional protein that functions as a phosphatidate phosphatase, converting phosphatidic acid to diacylglycerol, and as a transcriptional coactivator regulating genes involved in lipid metabolism and energy balance. It plays a critical role in glycerolipid synthesis, adipocyte differentiation, and the regulation of fatty acid oxidation. Mutations in LPIN1 are associated with recurrent rhabdomyolysis and a predisposition to statin-induced myopathy. It is also implicated in lipodystrophy syndromes.

02

Mechanism of action

Phosphatidate phosphatase activity (conversion of phosphatidic acid to diacylglycerol); Transcriptional coactivation of nuclear receptors (e.g., PPARα, PGC-1α)

03

Biological functions

Glycerolipid synthesisTriglyceride storageAdipocyte differentiationRegulation of fatty acid oxidationPI3K-AKT-mTOR pathway modulationLipid metabolismMetabolic homeostasis
04

Disease associations

RhabdomyolysisMyopathyLipodystrophyFatty liver diseaseInsulin resistance
05

Safety considerations

RhabdomyolysisMyopathy
06

Interacting drugs

Statins (implicated in myopathy predisposition)

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