Tumor necrosis factor is required for RANTES‐induced astrocyte monocyte chemoattractant protein‐1 production
- 22 May 2003
- Vol. 43 (2) , 119-127
- https://doi.org/10.1002/glia.10231
Abstract
Astrocytes respond to stimulation with the chemokine RANTES (regulated on activation, normal T cell expressed) by production of a series of cytokines and chemokines, including tumor necrosis factor‐α (TNF‐α) and monocyte chemoattractant protein‐1 (MCP‐1). In the present study we demonstrate that RANTES induces TNF, which in turn stimulates subsequent production of MCP‐1. TNF‐R1 (p55) serves as the principal receptor responsible for MCP‐1 synthesis. The results define an astrocyte proinflammatory cascade that amplifies synthesis of proinflammatory mediators. The implications of these findings to inflammatory diseases of the central nervous system are discussed.Keywords
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