ArticleDrug delivery and translational research2015
TAT cell-penetrating peptide modulates inflammatory response and apoptosis in human lung epithelial cells.
Article in Drug delivery and translational research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Cationic Arginine-Rich Peptides (CARPs): A Novel Class of Neuroprotective Agents With a Multimodal Mechanism of Action.Frontiers in neurology · 2020Pooled it
- Cell-Penetrating Milk-Derived Peptides with a Non-Inflammatory Profile.Molecules (Basel, Switzerland) · 2023Article
- Intracellular signal transduction pathways as potential drug targets for ischemia-reperfusion injury in lung transplantation.Journal of thoracic disease · 2018Article
- Therapeutic potential of a phospholipase D1 inhibitory peptide fused with a cell-penetrating peptide as a novel anti-asthmatic drug in a Der f 2-induced airway inflammation model.Experimental & molecular medicine · 2018Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Cell-penetrating peptides (CPPs) are commonly used as delivery vehicles for the introduction of a variety of macromolecules into cells. Trans-activator of transcription (TAT) is the most commonly used CPP and, as a delivery vehicle, is assumed to be biologically inert. In this study, we pretreated human lung epithelial cells with TAT prior to stimulation with phorbol 12,13-dibutyrate (PDBu), a protein kinase C (PKC) activator. Surprisingly, TAT alone inhibited the production of multiple cytokines induced by PKC activation. Furthermore, PKC activation-induced IκBα degradation was partially reduced by TAT. Moreover, TAT treatment alone induced apoptosis in a dose-dependent manner, influenced expression of several B cell lymphoma 2 (Bcl-2) family members and increased caspase 3 cleavage at a high dose. These findings suggest that TAT as a delivery vehicle should be used cautiously, as it may affect the inflammatory response, as well as signals related to apoptosis.
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Identifiers
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Registered trials
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