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Nfκb Activation And Stimulation Of Chemokine Production In Normal Human Macrophages By The Gadolinium-Based Magnetic Resonance Contrast Agent Omniscan: Possible Role In The Pathogenesis Of Nephrogenic Systemic Fibrosis., Francesco Del Galdo, Peter J Wermuth, Sankar Addya, Paolo Fortina, Sergio A Jimenez
Nfκb Activation And Stimulation Of Chemokine Production In Normal Human Macrophages By The Gadolinium-Based Magnetic Resonance Contrast Agent Omniscan: Possible Role In The Pathogenesis Of Nephrogenic Systemic Fibrosis., Francesco Del Galdo, Peter J Wermuth, Sankar Addya, Paolo Fortina, Sergio A Jimenez
Jefferson Institute of Molecular Medicine Papers and Presentations
OBJECTIVE: Nephrogenic systemic fibrosis (NSF) is a generalised fibrotic disorder occurring in certain individuals with renal insufficiency exposed to gadolinium-based contrast agents (GdBCA) for MRI. Histopathological examination of affected tissues shows increased numbers of activated macrophages. To elucidate the mechanisms responsible for macrophage activation, the effects of the GdBCA Omniscan on normal human macrophage global gene expression, chemokine production and nuclear factor κB (NFκB) activation was examined.
METHODS: Normal human monocyte-derived macrophages were incubated with Omniscan (50 mM) and their gene expression analysed by microarrays and real-time PCR. Macrophage chemokine production was assayed by multiplex ELISA. NFκB activation was assessed …