| Literature DB >> 1349613 |
W Brück1, Y Brück, R L Friede.
Abstract
Mononuclear cells of the monocyte/macrophage system play an important role in myelin ingestion during Wallerian degeneration. The present in vitro study clarifies the role in this process of two macrophage-secreted cytokines, TNF-alpha and interleukin-1. Treatment with TNF-alpha massively reduced the amount of myelin ingested by macrophages via their complement receptor type 3 (CR3). Anti-TNF-alpha antibodies reversed the effect. Immunofluorescence of macrophages indicated that TNF-alpha caused a reduced expression of the CR3 by phagocytic cells. Further experiments revealed an interaction of TNF-alpha with its receptor on the macrophage cell membrane. Interleukin-1 had no effect on myelin ingestion in the in vitro system used in these experiments.Entities:
Mesh:
Substances:
Year: 1992 PMID: 1349613 DOI: 10.1016/0165-5728(92)90085-y
Source DB: PubMed Journal: J Neuroimmunol ISSN: 0165-5728 Impact factor: 3.478