User profiles for James W Dennis

James W. Dennis

Professor of Molecular Genetics, University of Toronto
Verified email at lunenfeld.ca
Cited by 24798

β1-6 branching of Asn-linked oligosaccharides is directly associated with metastasis

JW Dennis, S Laferté, C Waghorne, ML Breitman… - Science, 1987 - science.org
Neoplastic transformation has been associated with a variety of structural changes in cell
surface carbohydrates, most notably increased sialylation and β1-6-linked branching of …

Negative regulation of T-cell activation and autoimmunity by Mgat5N-glycosylation

M Demetriou, M Granovsky, S Quaggin, JW Dennis - Nature, 2001 - nature.com
T-cell activation requires clustering of a threshold number of T-cell receptors (TCRs) at the
site of antigen presentation, a number that is reduced by CD28 co-receptor recruitment of …

[HTML][HTML] Complex N-glycan number and degree of branching cooperate to regulate cell proliferation and differentiation

…, CI Silvescu, VN Reinhold, M Demetriou, JW Dennis - Cell, 2007 - cell.com
The number of N-glycans (n) is a distinct feature of each glycoprotein sequence and cooperates
with the physical properties of the Golgi N-glycan-branching pathway to regulate surface …

Glycoprotein glycosylation and cancer progression

JW Dennis, M Granovsky, CE Warren - Biochimica et Biophysica Acta (BBA …, 1999 - Elsevier
Glycosylation of glycoproteins and glycolipids is one of many molecular changes that
accompany malignant transformation. GlcNAc-branched N-glycans and terminal Lewis antigen …

Regulation of cytokine receptors by Golgi N-glycan processing and endocytosis

…, M Granovsky, IR Nabi, JL Wrana, JW Dennis - Science, 2004 - science.org
The Golgi enzyme β1,6 N-acetylglucosaminyltransferase V (Mgat5) is up-regulated in carcinomas
and promotes the substitution of N-glycan with poly N-acetyllactosamine, the preferred …

Suppression of tumor growth and metastasis in Mgat5-deficient mice

…, J Fata, J Pawling, WJ Muller, R Khokha, JW Dennis - Nature medicine, 2000 - nature.com
Golgi β1, 6N-acetylglucosaminyltransferase V (MGAT5) is required in the biosynthesis of β1,
6GlcNAc-branched N-linked glycans attached to cell surface and secreted glycoproteins. …

Interferon alfacon-1 plus corticosteroids in severe acute respiratory syndrome: a preliminary study

…, P Ferguson, M Latchford, G Levy, JW Dennis… - Jama, 2003 - jamanetwork.com
ContextSevere acute respiratory syndrome (SARS) is a new clinical entity for which no effective
therapeutic strategy has been developed.ObjectiveTo provide preliminary results on the …

[HTML][HTML] Metabolism, cell surface organization, and disease

JW Dennis, IR Nabi, M Demetriou - Cell, 2009 - cell.com
Genetic information flows from DNA to macromolecular structures—the dominant force in the
molecular organization of life. However, recent work suggests that metabolite availability to …

Protein glycosylation in development and disease

JW Dennis, M Granovsky, CE Warren - Bioessays, 1999 - Wiley Online Library
N‐ and O‐linked glycan structures of cell surface and secreted glycoproteins serve a variety
of functions related to cell–cell communication in systems affecting development and …

Inhibitors of carbohydrate processing: A new class of anticancer agents.

PE Goss, MA Baker, JP Carver, JW Dennis - … research: an official journal of the …, 1995 - AACR
There is a need for anticancer agents with novel mechanisms of action. Recently identified
molecular targets for new anticancer agents include inducers of cell differentiation, cell cycle …