Related Experiment Videos
A genetic approach to Mammalian glycan function.
1Department of Pathology and Howard Hughes Medical Institute, University of Michigan, Ann Arbor, Michigan 48109, USA. johnlowe@umich.edu
Annual Review of Biochemistry
|April 5, 2003
Summary
Glycans, or carbohydrates, are essential cell building blocks whose functions are increasingly understood through genetic studies. Research highlights their crucial roles in biological processes and links their dysregulation to human genetic diseases.
Area of Science:
- Glycobiology
- Molecular Biology
- Genetics
Background:
- Glycans, a class of carbohydrates, are fundamental cellular components alongside proteins, nucleic acids, and lipids.
- Despite their abundance and diversity, the specific functions of glycans have historically been less understood compared to other biomolecules.
- Recent advancements in genetic tools have begun to elucidate the critical roles of glycan structures and linkages in biological systems.
Purpose of the Study:
- To review the recently established functions of glycan structures.
- To contextualize these findings within mammalian genetic studies, particularly in mice and humans.
- To highlight the growing importance of glycobiology in understanding physiology and disease.
Main Methods:
- Review of recent mammalian genetic studies focusing on glycan structures.
- Analysis of the impact of genetic reagents and techniques on understanding glycan function.
- Examination of the role of glycosyltransferases and glycosidases in glycan synthesis.
Main Results:
- Specific glycan linkages have been identified as essential for biological processes.
- Glycans modulate protein-protein and cell-cell interactions, influencing development and physiological functions.
- Dysregulation in glycan synthesis is increasingly recognized as the cause of human genetic diseases.
Conclusions:
- Glycobiology is experiencing a renaissance, driven by genomic data and a focus on post-translational modifications.
- Glycans play vital roles in cellular communication, development, and overall organismal health.
- Understanding glycan function is critical for both normal physiology and the etiology of numerous genetic disorders.