Nathan Jacobsen

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We have synthesized several ganglio-oligosaccharide structures using glycosyltransferases from Campylobacter jejuni. The enzymes, alpha-(2-->3/8)-sialyltransferase (Cst-II), beta-(1-->4)-N-acetylgalactosaminyltransferase (CgtA), and beta-(1-->3)-galactosyltransferase (CgtB), were produced in large-scale fermentation from Escherichia coli and further(More)
Poly-N-acetyllactosamines (pLNs) are common terminal sugars of many N- and O-linked glycan structures present in glycoproteins and glycolipids. Utilizing various glycosyltransferases, we developed new and efficient chemoenzymatic methods for the synthesis of pLNs in gram-scale. Specifically, the use of sialyltransferases and fucosyltransferases enabled us(More)
Severe acquired aplastic anaemia is associated with high morbidity and mortality despite improvement in the results obtained both with bone marrow transplantation and with immunosuppressive treatment. Early bone marrow transplantation is the treatment of choice for patients under 45 years of age, if the neutrophil granulocyte count is less than 0.2-0.5 x(More)
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