alexa Anti-inflammatory Effect of a Cell-Penetrating Peptide Targeting the Nrf2 Keap1 Interaction.
Surgery

Surgery

Journal of Transplantation Technologies & Research

Author(s): Steel R, Cowan J, Payerne E, OConnell MA, Searcey M

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Abstract Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) is increasingly recognized as a central regulator of multiple signaling pathways in inflammation and cancer, and the ability to use chemical biological tools to investigate its biological effects is very attractive. A peptide comprising a TAT-conjugated Nrf2 sequence is shown to activate Nrf2 and its downstream target gene heme-oxygenase-1 (HO-1) in a dose-dependent manner in intact human THP-1 monocytes. Levels of Nrf2 protein peak after 3 h, whereas HO-1 mRNA and protein peak after 6 and 12 h, respectively. The peptide is also shown to inhibit the production of the pro-inflammatory cytokine TNF. The TAT-14mer constitutes a useful chemical biology tool with potential therapeutic applications.
This article was published in ACS Med Chem Lett and referenced in Journal of Transplantation Technologies & Research

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