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EXP000787

Paper

Polyethylene glycol and octaarginine dual-functionalized nano-graphene oxide: An optimization for efficient nucleic acids delivery (2018)

Peptide

Octaarginine (R8)

Sequence: RRRRRRRR

RNA

siRNA

All experiment fields

Experiment Id EXP000787
Paper Polyethylene glycol and octaarginine dual-functionalized nano-graphene oxide: An optimization for ef
Peptide Octaarginine (R8)
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
Rna Concentration 100 ng (FITC-siRNA used in uptake/localization); si-c-Myc amount not explicitly stated
Mixing Ratio N/P=10
Formulation Format Graphene oxide (GO) nanosheet nanocarrier (dual-functionalized)
Formulation Components Carboxylated nano-graphene oxide (GO) covalently co-conjugated with PEG-diamine and octaarginine (R8); optimized formulation GPPo (GPP3, PEG:R8=10:1)
Size Nm 252.00
Zeta Mv 40.97
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells MDA-MB 231 (breast cancer)
Animal Model
Administration Route
Output Type Protein knockdown (western blot)
Output Value c-Myc downregulated vs non-treated; lower knockdown than HiPerFect
Output Units
Output Notes siRNA/GPPo complexes at N/P=10; uptake ~85±3.4% relative to HiPerFect; knockdown assessed 72 h post-transfection
Toxicity Notes GPPo showed no cytotoxicity below 250 µg/mL in MDA-MB 231 after 48 h; 150 µg/mL used for transfection
Curation Notes