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Potential interplay between NFκB and PPARγ in human dermal microvascular endothelial cells cultured in low magnesium Volume 27, numéro 2, Avril-Mai-Juin

Illustrations


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Auteurs
Dipartimento di Scienze Biomediche e Cliniche L. Sacco, Università di Milano, Milano, Italy
* Correspondence: AM Maier. Dipartimento di Scienze Biomediche e Cliniche Luigi Sacco, Università di Milano. Via GB Grassi, 74 Milano I-20157

Dermal microvascular endothelial cells contribute to cutaneous inflammation by secreting proinflammatory cytokines and chemokines. We show here that low extracellular magnesium stimulates the secretion of interleukin 8 and monocyte chemoattractant protein-1 in dermal microvascular endothelial cells. This secretory pattern might result from interplay between NFκB, the master regulator of inflammation, and PPARγ, a transcription factor that has emerged as an inhibitor of inflammation. Indeed, both NFκB and PPARγ are activated in dermal microvascular endothelial cells cultured in low magnesium-containing medium. In conclusion, we hypothesize that PPARγ and NFκB might contribute to the response of these cells to low Mg.