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EXP002446

Paper

Lung Delivery Studies Using siRNA Conjugated to TAT(48-60) and Penetratin Reveal Peptide Induced Reduction in Gene Expression and Induction of Innate Immunity (2007)

Peptide

TAT(48-60)-siRNA

Sequence: Ac-grkkrrqrrrppqc-amide

RNA

siRNA

All experiment fields

Experiment Id EXP002446
Paper Lung Delivery Studies Using siRNA Conjugated to TAT(48-60) and Penetratin Reveal Peptide Induced Red
Peptide TAT(48-60)-siRNA
Delivery Success Class no
In Vivo Flag no
Uptake Confirmed no
Label Confidence high
In Vitro Functional Effect yes
Endosomal Escape Evidence
Peptide Concentration 0.3–10 µM in L929 cells
Rna Concentration
Mixing Ratio
Formulation Format covalent peptide-siRNA conjugate
Formulation Components TAT(48-60) CPP + p38 MAPK siRNA sequence C
Size Nm
Zeta Mv
Model Scope in_vitro
Model Type in vitro
Cell Lines Or Primary Cells L929 mouse fibroblast cell line
Animal Model
Administration Route cell incubation without transfection reagent
Output Type p38 MAP kinase mRNA knockdown
Output Value 36 ± 6% knockdown at 10 µM after 24 h
Output Units
Output Notes In vitro knockdown was modest but significant; free TAT peptide alone did not reduce p38 MAPK mRNA in vitro
Toxicity Notes No significant cellular toxicity at 24 h reported for constructs
Curation Notes