Target intelligence / Profile preview

Complement system activation regulator (clusterin) (CLU)

Target: CLU
Molecular classification: Glycoprotein, Chaperone, Complement regulator, Heat shock protein family

Overview

Clusterin is a multifunctional, secreted glycoprotein that acts as an inhibitory regulator of the complement system, primarily by preventing the formation of the membrane attack complex (MAC). It also functions as a molecular chaperone and is involved in various cellular processes, including cell survival and stress responses. Its role in different diseases is complex and context-dependent.

Other names: ClusterinApoJApolipoprotein JTestosterone-repressed prostate message-2TRPM-2SGP-2Sulfated glycoprotein 2

Mechanism of action

Binds to C7, C8β, and C9, preventing their insertion into cell membranes and formation of the membrane attack complex (MAC).

Biological functions

Complement inhibitionPrevention of MAC formationMolecular chaperone activityAnti-apoptotic signalingCell survivalAngiogenesis regulationStress response

Disease associations

Systemic lupus erythematosusNeurodegenerative diseasesApoptosis-related diseasesCancerInflammationTissue injury

Safety considerations

The precise regulatory importance *in vivo* remains debated.Potential for context-dependent and sometimes opposing roles in disease.

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