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EXP001499

Paper

Comparing Agent-Based Delivery of DNA and PNA Forced Intercalation (FIT) Probes for Multicolor mRNA Imaging (2019)

Peptide

Octaarginine (R8)

Sequence: RRRRRRRR

RNA

DNA FIT probe (FIT-DNA1)

All experiment fields

Experiment Id EXP001499
Paper Comparing Agent-Based Delivery of DNA and PNA Forced Intercalation (FIT) Probes for Multicolor mRNA
Peptide Octaarginine (R8)
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed yes
Label Confidence high
In Vitro Functional Effect no
Endosomal Escape Evidence
Peptide Concentration Complexation; complete DNA binding reported at charge ratio P/N=16 (R8:DNA).
Rna Concentration 2 µM (DNA probe during imaging experiments; complexed with R8)
Mixing Ratio P/N=16 (positive/negative charge ratio; complexation condition)
Formulation Format noncovalent electrostatic complex (R8 + DNA FIT probe)
Formulation Components R8 + FIT-DNA1 complex
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells Flp-In 293 T-REx (HEK293) reporter cells with inducible F-tagged mCherry mRNA (+/- doxycycline)
Animal Model
Administration Route
Output Type Fluorescence microscopy mRNA imaging (TO emission); compare +dox vs -dox
Output Value Large fluorescent spots (artefacts); RNA imaging impossible.
Output Units
Output Notes Octaarginine complexation led to spot-like aggregates/background in both induced and non-induced cells.
Toxicity Notes
Curation Notes