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EXP002561

Paper

Guanidinylated Cyclic Synthetic Polypeptides Can Effectively Deliver siRNA by Mimicking the Biofunctions of Both Cell-Penetrating Peptides and Nuclear Localization Signal Peptides (2021)

Peptide

GCSP (guanidinylated cyclic synthetic polypeptide)

Sequence: synthetic polypeptide (guanidinylated poly(allyl-L-glutamate) backbone)

RNA

siRNA

All experiment fields

Experiment Id EXP002561
Paper Guanidinylated Cyclic Synthetic Polypeptides Can Effectively Deliver siRNA by Mimicking the Biofunct
Peptide GCSP (guanidinylated cyclic synthetic polypeptide)
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 N/P = 5–20
Rna Concentration 30–60 nM
Mixing Ratio N/P ratio dependent
Formulation Format Polymeric polypeptide–siRNA nanocomplex
Formulation Components GCSP/siRNA electrostatic nanocomplex
Size Nm 80.00
Zeta Mv 5.00
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells HeLa-Luc
Animal Model
Administration Route
Output Type Luciferase gene silencing
Output Value Up to ~80% knockdown (CPG98)
Output Units
Output Notes Endocytic inhibitors + 4 °C uptake; LysoTracker escape; nuclear accumulation
Toxicity Notes Comparable or lower than PEI/Lipo2000
Curation Notes