Target intelligence / Profile preview

Transducin beta-like protein 1 (TBL1)

Target
TBL1
Molecular classification
WD40 repeat-containing proteins, Adaptor protein, Scaffold protein
01

Overview

Transducin beta-like protein 1 (TBL1) is an adaptor and scaffold protein that plays a crucial role in transcriptional regulation, particularly within the Wnt/β-catenin signaling pathway. It acts as a corepressor complex component and interacts with the SCF E3 ubiquitin ligase complex. TBL1 dysregulation is implicated in various cancers, especially DLBCL, making it a potential therapeutic target. Approaches include small molecule inhibitors like tegavivint and PROTAC-based degraders.

Other names
TBL1X
02

Mechanism of action

Disrupts TBL1-β-catenin interaction; PROTAC-mediated degradation of TBL1

03

Biological functions

Transcriptional repressionWnt/β-catenin signaling regulationProtein-protein interactionUbiquitin ligase complex component
04

Disease associations

CancerDiffuse large B-cell lymphoma (DLBCL)Ocular albinism with late-onset sensorineural deafness (potential)
05

Safety considerations

Potential off-target effects due to involvement in multiple regulatory networks
06

Interacting drugs

Tegavivint (BC2059)
07

Biomarkers

TBL1 expression levels in DLBCL

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