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EXP001163

Paper

A biodegradable stearylated peptide with internal disulfide bonds for efficient delivery of siRNA in vitro and in vivo (2015)

Peptide

SHRss2

Sequence: Stearyl-HHHCRRRRRC

RNA

siRNA (NC; fluorescently labeled)

All experiment fields

Experiment Id EXP001163
Paper A biodegradable stearylated peptide with internal disulfide bonds for efficient delivery of siRNA in
Peptide SHRss2
Delivery Success Class no
In Vivo Flag yes
Uptake Confirmed no
Label Confidence high
In Vitro Functional Effect
Endosomal Escape Evidence
Peptide Concentration Formulated at N/P=10
Rna Concentration 1.5 mg/kg siRNA (single injection; 300 µL)
Mixing Ratio N/P=10
Formulation Format Electrostatic polyplex (SHRss2/Cy5-siRNA)
Formulation Components SHRss2 + Cy5-siRNA
Size Nm
Zeta Mv
Model Scope in_vivo
Model Type in vivo
Cell Lines Or Primary Cells
Animal Model Female Balb/c nude mice bearing Luc-Hela xenograft tumors (subcutaneous)
Administration Route Intravenous (tail vein)
Output Type In vivo biodistribution (IVIS fluorescence imaging at 4 h)
Output Value Higher tumor fluorescence vs naked Cy5-siRNA
Output Units
Output Notes Mean tumor fluorescence intensity reported ~5.9× higher for SHRss2/Cy5-siRNA vs naked Cy5-siRNA at 4 h.
Toxicity Notes
Curation Notes