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EXP000583

Paper

Effective siRNA delivery and target mRNA degradation using an amphipathic peptide to facilitate pH-dependent endosomal escape (2011)

Peptide

Endoporter

Sequence: Proprietary (Gene Tools); ~30 aa histidine/leucine-rich amphipathic peptide

RNA

siRNA

All experiment fields

Experiment Id EXP000583
Paper Effective siRNA delivery and target mRNA degradation using an amphipathic peptide to facilitate pH-d
Peptide Endoporter
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed yes
Label Confidence high
In Vitro Functional Effect yes
Endosomal Escape Evidence yes
Peptide Concentration 50 μg/mL (screening)
Rna Concentration 20–50 nM
Mixing Ratio ~40–280:1 peptide:siRNA (molar)
Formulation Format Noncovalent peptide–siRNA co-incubation
Formulation Components CPP mixed with siRNA prior to cell exposure
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells HeLa; Huh-7; HEK293T
Animal Model
Administration Route
Output Type Target mRNA knockdown (bDNA assay)
Output Value Robust (~75–80%) knockdown only for Endoporter
Output Units
Output Notes Other CPPs showed uptake but no functional siRNA delivery
Toxicity Notes No significant toxicity for any peptide at tested doses
Curation Notes