Related Experiment Video
Updated: Apr 11, 2026
12:06
Metabolic Glycoengineering of Sialic Acid Using N-acyl-modified Mannosamines
Published on: November 25, 2017
13.6K
Advanced Technologies in Sialic Acid and Sialoglycoconjugate Analysis
Ken Kitajima1, Nissi Varki, Chihiro Sato
1Bioscience and Biotecnology Center, Nagoya University, Nagoya, Japan, kitajima@agr.nagoya-u.ac.jp.
Topics in Current Chemistry
|May 29, 2015
Summary
Advanced analytical methods are crucial for understanding sialic acid (Sia) diversity and biological roles. New techniques detect various Sia structures, aiding research in immunity, development, and disease.
Area of Science:
- Biochemistry
- Glycobiology
- Analytical Chemistry
Background:
- Sialic acid (Sia) structural diversity is increasing rapidly, but biological significance remains underexplored.
- Understanding Sia is vital for medicinal and industrial applications.
- Advanced detection technologies are needed to keep pace with Sia structural complexity.
Purpose of the Study:
- To review recently developed and improved analytical methods for detecting diverse sialic acid structures.
- To highlight the importance of specific Sia modifications and polymers in biological contexts.
Main Methods:
- Focus on analytical methods for detecting 9-O-acetylated N-acetylneuraminic acid (Neu5,9Ac).
- Review methods for N-glycolylneuraminic acid (Neu5Gc), deaminoneuraminic acid (Kdn), and O-sulfated Sia (SiaS).
- Discuss detection of di-, oligo-, and polysialic acids (diSia/oligoSia/polySia) in glycoproteins and glycolipids.
Main Results:
- Recent advancements provide tools to detect a wider range of sialic acid structures.
- These methods enable deeper investigation into the biological roles of complex sialoglycans.
- The described techniques are applicable to glycoproteins and glycolipids.
Conclusions:
- Improved analytical methods are essential for advancing sialic acid research.
- These advancements facilitate understanding Sia's roles in immunity, neural development, tumorigenesis, and aging.
- The development of new detection techniques supports potential medicinal and industrial applications of sialoglycoconjugates.
