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Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
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Author Spotlight: MAPP Protocol &#8211; Advancing Glycan Analysis
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Glycan microarrays from construction to applications.

Yujun Kim1, Ji Young Hyun2, Injae Shin1

  • 1Department of Chemistry, Yonsei University, 03722 Seoul, Republic of Korea. injae@yonsei.ac.kr.

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|September 16, 2022
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Glycan microarrays rapidly analyze glycan-protein interactions, crucial for understanding biological processes and diseases. These tools aid in profiling lectins, enzymes, and identifying functional glycans, advancing glycobiology and glycomedicine research.

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Area of Science:

  • Glycobiology
  • Glycomedicine
  • Biochemistry

Background:

  • Cellular glycans mediate critical physiological and pathological processes through protein interactions.
  • Understanding glycan-protein interactions is a central goal in glycobiology and glycomedicine.
  • Glycan microarrays have emerged as essential tools for high-throughput analysis of these interactions.

Purpose of the Study:

  • To review the methods for preparing glycan probes and constructing glycan microarrays.
  • To highlight the diverse applications of glycan microarrays in biological research.
  • To encourage the adoption of glycan microarrays in glycan-related studies.

Main Methods:

  • Description of glycan probe preparation techniques.
  • Overview of glycan microarray construction methodologies.
  • Review of established and emerging applications of glycan microarrays.

Main Results:

  • Glycan microarrays enable rapid profiling of glycan-binding patterns for various proteins, including lectins and enzymes.
  • These arrays facilitate quantitative determination of glycan-protein interactions.
  • Applications include ligand discovery and identification of functional glycans within cells.

Conclusions:

  • Glycan microarrays are versatile and powerful tools for studying glycan-protein interactions.
  • Their applications span from basic research to potential therapeutic development in glycomedicine.
  • The review aims to promote wider use of glycan microarrays across different research fields.