Target intelligence / Profile preview

Carnitine Transporter Protein (OCTN2)

Target
OCTN2
Molecular classification
Transporter, Membrane Transport Protein
01

Overview

SLC22A5 (OCTN2) is a sodium-dependent, high-affinity carnitine transporter protein essential for the uptake of carnitine into cells. It plays a critical role in fatty acid metabolism by transporting long-chain fatty acids into mitochondria. Mutations in SLC22A5 cause primary systemic carnitine deficiency, a potentially life-threatening disorder. Expression/activity can be modulated by PPARγ ligands, suggesting potential therapeutic avenues for metabolic diseases.

Other names
SLC22A5Organic Cation/Carnitine Transporter 2
02

Mechanism of action

Upregulation of SLC22A5 expression/activity (by PPARγ ligands)

03

Biological functions

Carnitine transportSodium-dependent carnitine symportOrganic cation transportFatty acid metabolismRenal reabsorption
04

Disease associations

Primary systemic carnitine deficiencyCardiomyopathyHypoglycemiaMuscle weaknessLiver dysfunctionNeurological disordersMetabolic disease
05

Safety considerations

Potential drug interactions due to organic cation transport activityRisk of carnitine deficiency if SLC22A5 function is impaired
06

Interacting drugs

Kaempferol

2 more in the full profile.

07

Biomarkers

Carnitine levels (serum, tissue)

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