Target intelligence / Profile preview

Proto-oncogene tyrosine-protein kinase Lck (LCK)

Target
LCK
Molecular classification
Enzyme, Protein kinase, Tyrosine kinase, Non-receptor tyrosine kinase, Src family kinase, Proto-oncogene
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Overview

Lck (lymphocyte-specific protein tyrosine kinase) is a non-receptor tyrosine-protein kinase and a member of the Src family of protein tyrosine kinases. It is essential for T-cell development, selection, maturation in the thymus, and function of mature T-cells. It plays a central role in initiating signaling from the T-cell antigen receptor (TCR). Altered expression or activity of Lck has been implicated in various diseases including immunodeficiency, cancer and autoimmune/inflammatory conditions. It is being explored as a therapeutic target for both oncology and autoimmune/inflammatory conditions.

02

Mechanism of action

Src family kinase inhibition

03

Biological functions

Signal transductionImmune responseT-cell developmentT-cell activationCell proliferationPhosphorylation
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Disease associations

ImmunodeficiencyCancerAutoimmune diseasesInflammatory diseases
05

Safety considerations

Off-target effects due to overlapping functions of Src family kinasesPotential for immune dysregulation

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