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GPI-Anchored Cell-Surface Molecules Complexed to Protein Tyrosine Kinases
Abstract
Binding of ligand or antibody to certain cell-surface proteins that are anchored to the membrane by glycophosphatidylinositol (GPI) can cause activation of leukocytes. However, it is not known how these molecules, which lack intracellular domains, can transduce signals. The GPI-linked human molecules CD59, CD55, CD48, CD24, and CD14 as well as the mouse molecules Thy-1 and Ly-6 were found to associate with protein tyrosine kinases, key regulators of cell activation and signal transduction. A protein tyrosine kinase associated with the GPI-linked proteins CD59, CD55, and CD48 in human T cells, and with Thy-1 in mouse T cells was identified as p56 lck , a protein tyrosine kinase related to Src. This interaction of GPI-linked molecules with protein tyrosine kinases suggests a potential mechanism of signal transduction in cells.
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Cited by
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Fra, A. M., Williamson, E., Simons, K., & Parton, R. G. (1994) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(18)47340-1 · Cited by 451
Metadata
- Authors
- Štefanová, I., Hořejši, V., Ansotegui, I. J., Knapp, W., & Stockinger, H.
- Venue
- Science
- Published
- 1991-11-15
- Volume
- 254
- Issue
- 5034
- Pages
- 1016-1019
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W1994772282
- Cited by
- 826
- References
- 0
- FWCI
- 20.04
- Type
- journal article
- Language
- en
- Open access
- closed
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- Štefanová, I., Hořejši, V., Ansotegui, I. J., Knapp, W., & Stockinger, H. (1991). GPI-Anchored Cell-Surface Molecules Complexed to Protein Tyrosine Kinases. Science. https://doi.org/10.1126/science.1719635
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