Proteomics

Dataset Information

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Comprehensive Profiling of Mammalian Tribbles Interactomes Implicates TRIB3 in Gene Repression


ABSTRACT: The three human Tribbles (TRIB) pseudokinases have been implicated in a plethora of signaling and metabolic processes linked to cancer initiation and progression and can potentially be used as biomarkers of disease and prognosis. While their modes of action reported so far center around protein–protein interactions, the comprehensive profiling of TRIB interactomes has not been reported yet. Here, we have developed a robust mass spectrometry (MS)-based proteomics approach to characterize Tribbles' interactomes and report a comprehensive assessment and comparison of the TRIB1, -2 and -3 interactomes, as well as domain-specific interactions for TRIB3. Interestingly, TRIB3, which is predominantly localized in the nucleus, interacts with mul-tiple transcriptional regulators, including proteins involved in gene repression. Indeed, we found that TRIB3 repressed gene transcription when tethered to DNA in breast cancer cells. Tak-en together, our comprehensive proteomic assessment reveals previously unknown interacting partners and functions of Tribbles proteins that expand our understanding of this family of pro-teins. In addition, our findings show that MS-based proteomics provides a powerful tool to un-ravel novel pseudokinase biology.

INSTRUMENT(S): Orbitrap Eclipse, Orbitrap Fusion

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Permanent Cell Line Cell

DISEASE(S): Breast Cancer

SUBMITTER: Harmjan Vos  

LAB HEAD: Eric Kalkhoven

PROVIDER: PXD030404 | Pride | 2022-02-15

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
20181016_F1_RM_MHQ_0194_GFP_1.raw Raw
20181016_F1_RM_MHQ_0194_GFP_2.raw Raw
20181016_F1_RM_MHQ_0194_GFP_3.raw Raw
20181016_F1_RM_MHQ_0194_TRIB2_1.raw Raw
20181016_F1_RM_MHQ_0194_TRIB2_2.raw Raw
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Publications

Comprehensive Profiling of Mammalian Tribbles Interactomes Implicates TRIB3 in Gene Repression.

Hernández-Quiles Miguel M   Baak Rosalie R   Borgman Anouska A   den Haan Suzanne S   Sobrevals Alcaraz Paula P   van Es Robert R   Kiss-Toth Endre E   Vos Harmjan H   Kalkhoven Eric E  

Cancers 20211216 24


The three human Tribbles (TRIB) pseudokinases have been implicated in a plethora of signaling and metabolic processes linked to cancer initiation and progression and can potentially be used as biomarkers of disease and prognosis. While their modes of action reported so far center around protein-protein interactions, the comprehensive profiling of TRIB interactomes has not been reported yet. Here, we have developed a robust mass spectrometry (MS)-based proteomics approach to characterize Tribbles  ...[more]

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