Mutation of the extracellular domain of tumour necrosis factor receptor 1 causes reduced NF‐κB activation due to decreased surface expression
Open Access
- 31 August 2005
- journal article
- Published by Wiley in FEBS Letters
- Vol. 579 (23) , 5193-5198
- https://doi.org/10.1016/j.febslet.2005.08.037
Abstract
Tumour necrosis factor receptor‐associated periodic syndrome (TRAPS) results from point mutations in the extracellular domain of TNF receptor 1 (TNFRSF1A), but the effects of the mutations are controversial. This study shows that reduced NF‐κB signalling is a feature of four TRAPS mutations. Reduced signalling correlates with reduced surface expression, measured by flow cytometry and microscopy. This suggests that correct formation of the extracellular domain of TNFRSF1A is important for localisation and receptor function. Importantly, our data provides a mechanism for the reduced TNFRSF1 signalling observed in a patient cell line.Keywords
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