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Schmdit, T. ; Wiesbeck, M. ; Egert, L. ; Truong, T.-T. ; Danese, A.* ; Voshagen, L.* ; Imhof, S.* ; Iraci Borgia, M.* ; Deeksha ; Neuner, A.M. ; Köferle, A. ; Geerlof, A. ; Mourao, A. ; Stricker, S.H.

Efficient DNA- and virus-free engineering of cellular transcriptomic states using dCas9 ribonucleoprotein (dRNP) complexes.

Nucleic Acids Res. 53:gkaf235 (2025)
Verlagsversion DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
For genome editing, the use of CRISPR ribonucleoprotein (RNP) complexes is well established and often the superior choice over plasmid-based or viral strategies. RNPs containing dCas9 fusion proteins, which enable the targeted manipulation of transcriptomes and epigenomes, remain significantly less accessible. Here, we describe the production, delivery, and optimization of second generation CRISPRa RNPs (dRNPs). We characterize the transcriptional and cellular consequences of dRNP treatments in a variety of human target cells and show that the uptake is very efficient. The targeted activation of genes demonstrates remarkable potency, even for genes that are strongly silenced, such as developmental master transcription factors. In contrast to DNA-based CRISPRa strategies, gene activation is immediate and characterized by a sharp temporal precision. We also show that dRNPs allow very high-target multiplexing, enabling undiminished gene activation of multiple genes simultaneously. Applying these insights, we find that intensive target multiplexing at single promoters synergistically elevates gene transcription. Finally, we demonstrate in human stem and differentiated cells that the preferable features of dRNPs allow to instruct and convert cell fates efficiently without the need for DNA delivery or viral vectors.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Gene-expression; In-vivo; Rna; Crispr; Activation; Delivery; System; Cas9; Platform; Protein
Sprache englisch
Veröffentlichungsjahr 2025
HGF-Berichtsjahr 2025
ISSN (print) / ISBN 0305-1048
e-ISSN 1362-4962
Quellenangaben Band: 53, Heft: 6, Seiten: , Artikelnummer: gkaf235 Supplement: ,
Verlag Oxford University Press
Verlagsort Great Clarendon St, Oxford Ox2 6dp, England
Begutachtungsstatus Peer reviewed
POF Topic(s) 30204 - Cell Programming and Repair
30203 - Molecular Targets and Therapies
Forschungsfeld(er) Stem Cell and Neuroscience
Enabling and Novel Technologies
PSP-Element(e) G-500800-001
G-500892-001
G-503000-001
Förderungen Humanities Research Council of Canada
natural sciences and engineering research council of canada
CIHR
REGENERAR
Helmholtz Zentrum Munchen
International Helmholtz-Edinburgh Research School for Epigenetics
EpiCrossBorders
Scopus ID 105001966064
PubMed ID 40156858
Erfassungsdatum 2025-05-05