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Jones, A. ; Grass, C. ; Meininger, I. ; Geerlof, A. ; Klostermann, M.* ; Zarnack, K.* ; Krappmann, D. ; Sattler, M.

Modulation of pre-mRNA structure by hnRNP proteins regulates alternative splicing of MALT1.

Sci. Adv. 8:eabp9153 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Alternative splicing plays key roles for cell type-specific regulation of protein function. It is controlled by cis-regulatory RNA elements that are recognized by RNA binding proteins (RBPs). The MALT1 paracaspase is a key factor of signaling pathways that mediate innate and adaptive immune responses. Alternative splicing of MALT1 is critical for controlling optimal T cell activation. We demonstrate that MALT1 splicing depends on RNA structural elements that sequester the splice sites of the alternatively spliced exon7. The RBPs hnRNP U and hnRNP L bind competitively to stem-loop RNA structures that involve the 5' and 3' splice sites flanking exon7. While hnRNP U stabilizes RNA stem-loop conformations that maintain exon7 skipping, hnRNP L disrupts these RNA elements to facilitate recruitment of the essential splicing factor U2AF2, thereby promoting exon7 inclusion. Our data represent a paradigm for the control of splice site selection by differential RBP binding and modulation of pre-mRNA structure.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 2375-2548
e-ISSN 2375-2548
Zeitschrift Science Advances
Quellenangaben Band: 8, Heft: 31, Seiten: , Artikelnummer: eabp9153 Supplement: ,
Verlag American Association for the Advancement of Science (AAAS)
Verlagsort Washington, DC [u.a.]
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Structural Biology (STB)
Research Unit Signaling and Translation (SAT)
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
PSP-Element(e) G-503000-001
G-509800-002
Förderungen German Research Foundation (DFG)
Scopus ID 85135465958
PubMed ID 35921415
Erfassungsdatum 2022-08-13