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EXP000550

Paper

Comparison of Cationic and Amphipathic Cell Penetrating Peptides for siRNA Delivery and Efficacy (2012)

Peptide

CMAP

Sequence: CKLALKLALKALKAALKLA

RNA

siRNA

All experiment fields

Experiment Id EXP000550
Paper Comparison of Cationic and Amphipathic Cell Penetrating Peptides for siRNA Delivery and Efficacy
Peptide CMAP
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 ~60 µM (carrier CPP); 12.5 µM K21-PDP stock
Rna Concentration 50–100 nM
Mixing Ratio 2:1 N/P (K21-PDP:siRNA); 1:1 CPP:PDP for MAP or R6
Formulation Format CPP-conjugated oligolysine polyplex
Formulation Components K21-PDP neutralized siRNA polyplex conjugated with CPP via reducible disulfide bond
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells Huh7.5; HeLa
Animal Model
Administration Route
Output Type Cellular uptake (fluorescence); gene silencing (GFP, PTEN)
Output Value MAP-polyplex showed high uptake and silencing; R6-polyplex minimal; controls inactive
Output Units
Output Notes Ac-R4, Ac-R6, Ac-R8 tested for displacement only; functional delivery demonstrated only for MAP-polyplex
Toxicity Notes Minimal toxicity for all CPP-polyplexes at 50 nM siRNA
Curation Notes