Galectins as Pattern Recognition Receptors: Structure, Function, and Evolution
- 23 September 2011
- book chapter
- review article
- Published by Springer Science and Business Media LLC in Advances in experimental medicine and biology
- Vol. 946, 21-36
- https://doi.org/10.1007/978-1-4614-0106-3_2
Abstract
Galectins constitute an evolutionary conserved family of ß-galactoside-binding proteins, ubiquitous in mammals and other vertebrate taxa, invertebrates, and fungi. Since their discovery in the 1970s, their biological roles, initially understood as limited to recognition of carbohydrate ligands in embryogenesis and development, have expanded in recent years by the discovery of their immunoregulatory activities. A gradual paradigm shift has taken place in the past few years through the recognition that galectins also bind glycans on the surface of potentially pathogenic microbes, and function as recognition and effector factors in innate immunity. Further, an additional level of functional complexity has emerged with the most recent findings that some parasites “subvert” the recognition roles of the vector/host galectins for successful attachment or invasion.Keywords
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