Differential gene expression profiles of gastric cancer cells established from primary tumour and malignant ascites
2002

Gene Expression in Gastric Cancer Cells

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sakakura C, Hagiwara A, Nakanishi M, Shimomura K, Takagi T, Yasuoka R, Fujita Y, Abe T, Ichikawa Y, Takahashi S, Ishikawa T, Nishizuka I, Morita T, Shimada H, Okazaki Y, Hayashizaki Y, Yamagishi H

Primary Institution: Kyoto Prefectural University of Medicine

Hypothesis

The study investigates the differential gene expression profiles of gastric cancer cells from primary tumors and malignant ascites.

Conclusion

The study identifies specific genes that may be related to the peritoneal dissemination of gastric cancers.

Supporting Evidence

  • 24 genes were found to be up-regulated and 17 down-regulated in gastric cancer cells from malignant ascites.
  • Several genes identified were also overexpressed in clinical samples of malignant ascites.
  • The study utilized a global analysis of approximately 21,168 genes.

Takeaway

Researchers looked at how different genes behave in stomach cancer cells to understand why some spread more than others.

Methodology

The study used high-density cDNA microarray analysis to examine gene expression in various gastric cancer cell lines.

Limitations

Further functional analysis of the identified genes is necessary to clarify their roles in peritoneal dissemination.

Participant Demographics

The study included 10 patients with gastric cancer and 10 patients with benign diseases.

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600580

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