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Published on: May 4, 2012
Differential glycan profiling by lectin microarray targeting tissue specimens
Atsushi Kuno1, Atsushi Matsuda, Yuzuru Ikehara
1Research Center for Medical Glycoscience, National Institute of Advanced Industrial Science and Technology (AIST), Central 2, Umezono, Ibaraki, Japan.
Methods in Enzymology
|September 7, 2010
Summary
This study introduces an ultrasensitive lectin microarray for rapid differential glycan analysis in formalin-fixed tissues. This method aids in discovering novel glyco-biomarkers for diseases by comparing diseased and normal tissue regions.
Area of Science:
- Glycomics
- Histopathology
- Biomarker Discovery
Background:
- Cellular glycosylation patterns change during differentiation and disease, including tumorigenesis.
- Histochemical methods offer insights into glycan functions in pathology.
- Discovering glyco-biomarkers requires comparing diseased and normal tissues within the same specimen.
Purpose of the Study:
- To present a method for rapid, systematic differential glycan analysis.
- To enable glyco-biomarker discovery using tissue microarrays.
- To identify glycoproteins that distinguish diseased from normal tissue regions.
Main Methods:
- Development of an ultrasensitive lectin microarray.
- Application to analyze restricted regions of formalin-fixed tissue specimens, including tissue arrays.
- Objective statistical analysis of lectin probe data.
Main Results:
- The lectin microarray enables rapid and systematic differential glycan analysis.
- The method allows for targeted analysis of specific tissue regions.
- Identification of lectin probes suitable for enrichment procedures.
Conclusions:
- The ultrasensitive lectin microarray is a powerful tool for glyco-biomarker discovery.
- This approach facilitates the identification of glycoproteins differentiating diseased and normal tissues.
- The method supports advancements in understanding glycan roles in pathology.
