Essential roles of carbohydrate signals in development, immune response and tissue functions, as revealed by gene targeting.
- 1 February 2000
- journal article
- review article
- Published by Oxford University Press (OUP) in The Journal of Biochemistry
- Vol. 127 (2) , 171-176
- https://doi.org/10.1093/oxfordjournals.jbchem.a022590
Abstract
Knockout mice lacking glycosyltransferases or sulfotransferases provide unequivocal evidence that the carbohydrate moieties of glycoproteins, glycolipids, and proteogly-cans play essential roles in various biological phenomena such as development, the immune response, and tissue functions. Examples of abnormalities of null mutants include arrest of embryogenesis due to deletion of N-acetylglucosaminyltransferase I or glucosylceramide synthase, failure of kidney formation in heparan sulfate 2-O-sul-fotransferase deficiency, suppressed antibody production in α-2,6-sialyltransferase defi-ciency, male sterility in GM2/GD2 synthase deficiency, and abnormalities in the function and stability of myelin in galactosylceramide deficiency.Keywords
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