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PXD055858

PXD055858 is an original dataset announced via ProteomeXchange.

Dataset Summary
TitleERH regulates type II interferon immune signaling through post-transcriptional regulation of JAK2 mRNA
DescriptionType II interferon (IFNγ) signaling is essential for innate immunity and critical for effective immunological checkpoint blockade in cancer immunotherapy. Genetic screen identification of post-transcriptional regulators of this pathway has been challenging since such factors are often essential for cell viability. Here, we utilize our inducible CRISPR/Cas9 approach to screen for key post-transcriptional regulators of IFNγ signaling, and in this way identify ERH and the ERH-associated splicing and RNA export factors MAGOH, SRSF1, and ALYREF. Loss of these factors impairs post- transcriptional mRNA maturation of JAK2, a crucial kinase for IFNγ signaling, resulting in abrogated JAK2 protein levels and diminished IFNγ signaling. Further analysis highlights a critical role for ERH in preventing intron retention in AU-rich regions in specific transcripts, such as JAK2. This regulation is markedly different from previously described retention of GC-rich introns. Overall, these findings reveal that post transcriptional JAK2 processing is a critical rate-limiting step for the IFNγ-driven innate immune response.
HostingRepositoryPRIDE
AnnounceDate2025-05-30
AnnouncementXMLSubmission_2025-05-30_08:57:18.715.xml
DigitalObjectIdentifier
ReviewLevelPeer-reviewed dataset
DatasetOriginOriginal dataset
RepositorySupportUnsupported dataset by repository
PrimarySubmitterF Butter
SpeciesList scientific name: Homo sapiens (Human); NCBI TaxID: 9606;
ModificationListNo PTMs are included in the dataset
InstrumentQ Exactive Plus
Dataset History
RevisionDatetimeStatusChangeLog Entry
02024-09-13 14:55:32ID requested
12025-05-30 08:57:19announced
Publication List
Dataset with its publication pending
Keyword List
submitter keyword: LC-MS/MS
Contact List
Falk Butter
contact affiliationInstitute of Molecular Biology
contact emailf.butter@imb.de
lab head
F Butter
contact affiliationQuantitative Proteomics Institute of Molecular Biology (IMB)
contact emailf.butter@imb-mainz.de
dataset submitter
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