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EXP001781

Paper

Enhanced siRNA delivery into cells by exploiting the synergy between targeting ligands and cell-penetrating peptides (2011)

Peptide

Penetratin (ANTP)

Sequence: RQIKIWFQNRRMKWKKGGC

RNA

siRNA

All experiment fields

Experiment Id EXP001781
Paper Enhanced siRNA delivery into cells by exploiting the synergy between targeting ligands and cell-pene
Peptide Penetratin (ANTP)
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed yes
Label Confidence high
In Vitro Functional Effect yes
Endosomal Escape Evidence
Peptide Concentration
Rna Concentration 100 nM siRNA (final in culture medium)
Mixing Ratio siRNA-spermidine N/P 8:1 during encapsulation; DSPE-PEG conjugate:PLGA 1.6–25.9 mg/mg during fabrication
Formulation Format PLGA nanoparticles surface-coated with DSPE-PEG-penetratin; siRNA-loaded (encapsulated)
Formulation Components PLGA NP with DSPE-PEG-ANTP (penetratin) on surface; luciferase siRNA (siLUC) encapsulated via spermidine complexation; PEG-DSPE coating
Size Nm 150.00
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells KB cells stably expressing luciferase (folate receptor positive; folate-free RPMI)
Animal Model
Administration Route
Output Type Luciferase knockdown (48 h; normalized to total protein)
Output Value ~30% knockdown vs untreated
Output Units
Output Notes Negative control siRNA in NP not significant vs untreated.
Toxicity Notes Trypan blue used to quench extracellular fluorescence in uptake assay; no major toxicity focus reported.
Curation Notes