alexa Simple Novel Assays in Glycobiology | OMICS International | Abstract
ISSN: 2168-958X

Journal of Glycobiology
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Research Article

Simple Novel Assays in Glycobiology

Steven B Oppenheimer*
Center for Cancer and Developmental Biology, California State University, Northridge, USA
*Corresponding Author : Steven B Oppenheimer
Center for Cancer and Developmental Biology
California State University
Northridge, 18111 Nordhoff Street
Northridge, CA, USA
Tel: 818677-3336
E-mail: [email protected]
Received August 26, 2014; Accepted November 14, 2014; Published November 17, 2014
Citation: Oppenheimer SB (2014) Simple Novel Assays in Glycobiology. J Glycobiol 3:112. doi:10.4172/2168-958X.1000112
Copyright: © 2014 Oppenheimer SB. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

In response to an invitation from this journal, I am providing this mini-review of recent work from the Oppenheimer lab. Over the past 4 decades we have developed many assays that help us examine the role of specifc glycans in cellular interactions. Recently we have used two model systems for this work, the sea urchin embryo and yeast (Saccharomyces cerevisiae). We have developed two assays using the sea urchin embryo. One involves a microplate method where living sea urchin embryos are incubated with specific glycans or glycosidases. A specific set of cellular interactions, development of the primitive gut…archenteron, is examined over time in the presence and absence of the sugars or enzymes in living embryos. L-rhamnose and polyglucans have been identified as playing a role in mediating these cellular interactions. The second assay involves microdissection of the primitive gut away from the blastocoel roof to which it adheres.

Using independently characterized glycosidases, we showed that polyglucans appear to mediate this cellular interaction. In the second system using yeast, we examine yeast disaggregation from lectin-derivatized agarose beads in the presence and absence of specific glycans using a quantitative, kinetic graphic profile assay.

We found that D-melezitose was the best adhesion inhibitor and may be therapeutically useful in anti-adhesion venues of pathogen binding to cells and in cancer cell binding.

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