Target intelligence / Profile preview

Casitas B-lineage lymphoma proto-oncogene-b protein (Cbl-b)

Target
Cbl-b
Molecular classification
Enzyme, E3 ubiquitin ligase, RING-type E3 ubiquitin ligase
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Overview

Casitas B-lineage lymphoma proto-oncogene-b protein (Cbl-b) is an E3 ubiquitin-protein ligase that negatively regulates immune cell activation and tolerance. It functions by ubiquitinating target proteins, often leading to their degradation or altered function. Cbl-b plays a critical role in setting thresholds for T-cell activation and maintaining the balance between immunity and tolerance. Dysregulation of Cbl-b is implicated in autoimmune diseases, cancer, and infections, making it a potential therapeutic target for immunomodulation.

Other names
E3 ubiquitin-protein ligase CBL-B
02

Mechanism of action

Inhibition of Cbl-b to enhance anti-tumor immunity or modulation for autoimmune disorders/infections.

03

Biological functions

UbiquitinationRegulation of immune cell activationNegative regulation of T-cell activationMaintenance of immune toleranceRegulation of receptor signaling
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Disease associations

Autoimmune diseasesCancerAllergic diseasesInfections
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Safety considerations

Increased risk of autoimmunity with inhibition.Potential for allergic reactions or increased susceptibility to infection with modulation.

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