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EXP000798

Paper

Amphiphilic lipopeptide significantly enhances uptake of charge-neutral splice switching morpholino oligonucleotide in spinal muscular atrophy patient-derived fibroblasts (2017)

Peptide

Myr-ApoE (peptide amphiphile)

Sequence: LRKLRKRLLR

RNA

PMO (splice-switching morpholino)

All experiment fields

Experiment Id EXP000798
Paper Amphiphilic lipopeptide significantly enhances uptake of charge-neutral splice switching morpholino
Peptide Myr-ApoE (peptide amphiphile)
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed no
Label Confidence high
In Vitro Functional Effect yes
Endosomal Escape Evidence
Peptide Concentration 0.125–0.5 µM (as lipopeptide–PMO conjugate)
Rna Concentration 0.125–0.5 µM (PMO equivalent)
Mixing Ratio
Formulation Format covalent lipopeptide–PMO conjugate (self-assembled nanoparticles)
Formulation Components Myr-ApoE-Ahx-Cys thioether-linked to 3'-maleimide PMO
Size Nm 587.00
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells SMA Type I patient-derived fibroblasts (GM03813)
Animal Model
Administration Route
Output Type splice-switching activity (RT-PCR; % full-length SMN2 transcript)
Output Value ~4-fold lower concentration required vs ApoE-PMO to achieve similar splice-switching; ~30% higher activity vs ApoE-PMO
Output Units
Output Notes Myr-ApoE-PMO tested at 0.125, 0.25, 0.5 µM; compared against ApoE-PMO at 0.5–2 µM.
Toxicity Notes No cytotoxicity at tested concentrations (MTS assay).
Curation Notes