Related Experiment Video
Updated: Jul 1, 2026

08:59
Morphology-Based Distinction Between Healthy and Pathological Cells Utilizing Fourier Transforms and Self-Organizing Maps
Published on: October 28, 2018
Spherical self-organizing map as a helpful tool to identify category-specific cell surface markers.
Tuoya1, Yuh Sugii, Hitomi Satoh
1Department of Medical and Bioengineering Science, Graduate School of Natural Science and Technology, Okayama University, Rm361, Bldg ENG-6, 3.l.1 Tsushima-naka, Okayama 700-8530, Japan.
Biochemical and Biophysical Research Communications
|September 17, 2008
Summary
Researchers identified novel tumor-specific cell surface markers in nervous system tumor cell lines. Spherical self-organizing-map analysis proved effective for discovering common markers across multiple cell lines.
Area of Science:
- Neuroscience
- Oncology
- Bioinformatics
Background:
- Nervous system tumors present a challenge for targeted therapies.
- Identifying specific cell surface markers is crucial for developing effective treatments.
Purpose of the Study:
- To identify common tumor-specific cell surface markers across multiple nervous system tumor cell lines.
- To evaluate the utility of spherical self-organizing-map analysis for marker discovery.
Main Methods:
- Gene expression profiling of five nervous system tumor cell lines using a custom DNA microarray.
- Clustering analysis with spherical self-organizing-map to identify differential expression patterns.
- Validation of candidate markers using RT-qPCR.
Main Results:
- Three candidate tumor-specific cell surface markers were identified.
- Expression of these candidate markers was significantly higher in tumor cells compared to normal brain tissue.
- Spherical self-organizing-map effectively visualized expression patterns and facilitated candidate gene selection.
Conclusions:
- Spherical self-organizing-map is a valuable tool for identifying common and specific cell surface markers in groups of cells or tissues.
- The identified markers hold potential for targeted therapies in nervous system tumors.

