NEMO-binding domain peptide inhibition of inflammatory signal-induced NF-κB activation in vivo

Methods in Molecular Biology
Kelly A McCorkell, M J May

Abstract

NF-κB comprises a family of transcription factors that regulate the expression of diverse gene families essential for inflammatory and immune responses as well as cell survival and cell death pathways. Aberrant NF-κB transcriptional activity plays pivotal roles in a large number of human pathologies, including a variety of cancers and chronic inflammatory diseases. Therefore, there has been a large increase in studies aimed at identifying and testing drugs or small molecule inhibitors that would specifically block NF-κB activation in inflammatory diseases and cancer. In this chapter, we describe an in vivo system to test the inhibitory effects of the NEMO-binding domain (NBD) peptide on NF-κB activation specifically in the vascular endothelium and lymphocytes in mice. We demonstrate that pretreatment of mice with the NBD peptide reduces the NF-κB induced gene expression of cell adhesion molecules and DNA-binding activity following systemic LPS stimulation. These methods can be further used to test alternate inhibitors for effects on NF-κB signaling in murine endothelium and immune cells.

Citations

Nov 22, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zheng LiuCheng-Xi Wei
Jul 11, 2021·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Huilin YangFeng Shen

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