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EXP001216

Paper

Widespread displacement of DNA- and RNA-binding factors underlies toxicity of arginine-rich cell-penetrating peptides (2021)

Peptide

(GR)20

Sequence: GRGRGRGRGRGRGRGRGRGRGRGRGRGRGRGRGRGRGRGR

RNA

oligonucleotide

All experiment fields

Experiment Id EXP001216
Paper Widespread displacement of DNA- and RNA-binding factors underlies toxicity of arginine-rich cell-pen
Peptide (GR)20
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed yes
Label Confidence high
In Vitro Functional Effect
Endosomal Escape Evidence
Peptide Concentration 7.5 µM
Rna Concentration 2 µM
Mixing Ratio 7.5 µM peptide : 2 µM RNA (molar ~3.75:1)
Formulation Format simple co-incubation (non-covalent complex)
Formulation Components
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells U2OS (human osteosarcoma) cells
Animal Model
Administration Route
Output Type uptake (nuclear Cy5-ssRNA levels)
Output Value Nuclear Cy5-ssRNA signal quantified (HTM) after peptide co-treatment
Output Units
Output Notes High-throughput microscopy quantification of nuclear Cy5-ssRNA after 8 h co-treatment with CPPs (Appendix Figure S3F).
Toxicity Notes Arginine-rich (PR)20 and (GR)20 show cellular toxicity in clonogenic/viability assays; controls (GA)20 and (PK)20 less toxic (Appendix Figure S3G; S4).
Curation Notes