Article
Continuous autotropic signaling by membrane-expressed tumor necrosis factor.
The Journal of biological chemistry - 18 Jun 1999
Haas E, Grell M, Wajant H, Scheurich P
Abstract excerpt
Tumor necrosis factor (TNF) exists in two bioactive forms, the membrane-integrated form and the proteolytically derived soluble cytokine. Cells that produce TNF are often responsive to TNF, allowing autocrine/juxtacrine feedback loops. However, whether the membrane form of TNF is involved in such regulatory circuits is unclear. Here we demonstrate that HeLa cells, expressing a permanently membrane-integrated...
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