Project description:Oncogene addiction provides important therapeutic opportunities for precision oncology treatment strategies. To date the cellular circuitries associated with driving oncoproteins, which eventually establish the phenotypic manifestation of oncogene addiction remain largely unexplored. We employed a targeted mass spectrometry approach to systematically explore alterations in 116 phosphosites related to oncogene signaling and its intersection with the DDR following inhibition of the addicting oncogene alone or in combination with irradiation in MET-, EGFR-, ALK- or BRAF (V600)-positive cancer models and ex vivo non-small cell lung cancer patient organotypic cultures. We identified an ‘oncogene addiction phosphorylation signature’ (OAPS) consisting of 8 protein phosphorylations (ACLY S455, IF4B S422, IF4G1 S1231, LIMA1 S490, MYCN S62, NCBP1 S22, P3C2A S259 and TERF2 S365) that are significantly suppressed upon targeted oncogene inhibition solely in addicted cell line models and patient tissues. We show that the OAPS is present in patient tissues and the OAPS-derived score strongly correlates with the ex vivo responses to targeted treatments.

2023-03-11 | PXD037406 | Pride

A Transcription Factor Addiction in Leukemia Imposed by the MLL Promoter Sequence.

Project description: Not available

| S-EPMC6554023 | biostudies-literature

The role of microRNA miR-17-92 in MYC oncogene addiction

Project description:miR-17-92 mediates the MYC oncogene addiction in a conditional mouse lymphoma model. To identify targets of miR-17-92 in this model, miR-17-92 was expressed in the conditional lymphoma cell lines using MSCV-puro. Both control and miR-17-92-expressing conditional lymphoma cell lines were treated with doxycycline (DOX) (20ng/ml) for 48 hours to shut off MYC expression.

2014-05-29 | E-GEOD-57507 | biostudies-arrayexpress

The role of microRNA miR-17-92 in MYC oncogene addiction

2014-05-29 | GSE57507 | GEO

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