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Published on: November 13, 2017
A novel antibody microarray format using non-covalent antibody immobilization with chemiluminescent detection
Kazue Usui-Aoki1, Kiyo Shimada, Hisashi Koga
1Chiba Industry Advancement Center, 2-6 Nakase, Mihama-ku, Chiba 261-7126, Japan. ukazue@kazusa.or.jp
Molecular Biosystems
|January 12, 2007
Summary
Researchers developed a novel antibody microarray for profiling mKIAA protein expression. This system enables sensitive detection of unknown protein biomarkers in crude samples, advancing biomarker discovery.
Area of Science:
- Biochemistry
- Molecular Biology
- Immunology
Background:
- Protein and antibody microarrays are established tools for detecting known biomarkers.
- Existing methods often require purified samples or lack sensitivity for novel protein discovery.
Purpose of the Study:
- To develop a sensitive antibody microarray system for profiling unknown mKIAA proteins.
- To discover novel protein biomarkers through expression profiling.
Main Methods:
- Immobilization of purified antibodies onto polymer slides for a chemiluminescent detection system.
- Direct labeling of crude protein samples for antibody microarray analysis.
- Development of a 960-antibody microarray for mKIAA protein expression profiling.
Main Results:
- Achieved high sensitivity (50 pg mL(-1) detection limit) and low background noise with crude protein samples.
- Generated a comprehensive expression profile for 960 mKIAA proteins.
- Compared mKIAA protein expression data with complementary cDNA microarray results.
Conclusions:
- The developed antibody microarray system offers a sensitive and robust platform for biomarker discovery using crude samples.
- This method facilitates large-scale profiling of unknown proteins, such as mKIAA proteins.
- The findings provide a valuable resource for understanding mKIAA protein expression and identifying potential biomarkers.
