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EXP001981

Paper

Antibody-siRNA conjugates (ARCs) using multifunctional peptide as a tumor enzyme cleavable linker mediated effective intracellular delivery of siRNA (2021)

Peptide

CPP-LSP-siRNA-Cy3 (PEG–LMWP–AANL–siRNA; no antibody)

Sequence: VSRRRRGGRRRRRRAANL

RNA

siRNA (anti-EGFP; thiol-modified; Cy3/TAMRA labeled variants used for imaging)

All experiment fields

Experiment Id EXP001981
Paper Antibody-siRNA conjugates (ARCs) using multifunctional peptide as a tumor enzyme cleavable linker me
Peptide CPP-LSP-siRNA-Cy3 (PEG–LMWP–AANL–siRNA; no antibody)
Delivery Success Class yes
In Vivo Flag yes
Uptake Confirmed yes
Label Confidence high
In Vitro Functional Effect
Endosomal Escape Evidence
Peptide Concentration
Rna Concentration
Mixing Ratio Covalent CPP–siRNA conjugate.
Formulation Format Covalent CPP–siRNA conjugate (no antibody)
Formulation Components CPP-LSP-siRNA-Cy3 administered IV.
Size Nm
Zeta Mv
Model Scope in_vivo
Model Type in vivo
Cell Lines Or Primary Cells
Animal Model Athymic BALB/c nude mice with subcutaneous HCT116-EGFP xenograft tumors (~100 mm³)
Administration Route IV tail vein; 1 mg/kg siRNA every 3 days ×4; analysis 3 days after 4th dose
Output Type In vivo functional RNA delivery (tumor EGFP downregulation)
Output Value EGFP downregulation ~47.9% (western blot); fluorescence-based analysis reports ~41.4% inhibition.
Output Units
Output Notes Moderate tumor accumulation and knockdown; less than ARC.
Toxicity Notes
Curation Notes