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EXP001566

Paper

Using muscle homing peptide CyPep10 to deliver phosphorodiamidate morpholino oligomers in the mdx mouse (2025)

Peptide

CPP (acetyl-R6Gly)

Sequence: Ac-R6Gly (acetyl-RRRRRRG) (CPP used; also referred to as RC-100117)

RNA

PMO (phosphorodiamidate morpholino oligomer)

All experiment fields

Experiment Id EXP001566
Paper Using muscle homing peptide CyPep10 to deliver phosphorodiamidate morpholino oligomers in the mdx mo
Peptide CPP (acetyl-R6Gly)
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed no
Label Confidence high
In Vitro Functional Effect yes
Endosomal Escape Evidence
Peptide Concentration 0.2–30 µM (dose range tested, 24 h)
Rna Concentration 0.2–30 µM (molar equivalent; 24 h)
Mixing Ratio Covalent conjugate (1:1 peptide:PMO)
Formulation Format peptide–PMO conjugate (PPMO)
Formulation Components CPP-PMO
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells C2C12 myotubes (mouse)
Animal Model mdx mouse (C57BL/10ScSn-Dmdmdx/J), male, treated from 4 weeks old
Administration Route IV (tail vein), weekly x4
Output Type Splice correction (exon 23 skipping by RT-PCR)
Output Value Highest exon skipping among tested; ~95.5% exon skipping at 30 µM
Output Units
Output Notes CPP-PMO outperformed CP10-PMO and naked PMO across tested doses in C2C12 cells (24 h).
Toxicity Notes
Curation Notes