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[Structure and function of DCC (deleted in colorectal cancer) gene and its product]

N Aoyama1, R Minami, T Fujimori

  • 1Second Department of Internal Medicine, Kobe University School of Medicine.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|April 1, 1996
PubMed

Insights

The DCC gene, a tumor suppressor, shows low mutation but high LOH and reduced mRNA in colorectal cancer, particularly with liver metastasis. These changes suggest DCC abnormalities may predict liver metastasis risk.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Context:

  • The DCC gene is implicated in tumorigenesis.
  • DCC gene alterations are observed in various cancers.
  • Understanding DCC gene's role in colorectal cancer progression is crucial.

Purpose:

  • To investigate the role of the DCC gene in colorectal cancer.
  • To analyze DCC gene mutations, LOH, and mRNA expression in colorectal cancer.
  • To evaluate DCC gene abnormalities as potential predictive markers for liver metastasis.

Summary:

  • The DCC gene, a candidate tumor suppressor, has 29 exons and spans 1.4 Mb.
  • While DCC gene mutations are infrequent, a high incidence of Loss of Heterozygosity (LOH) and decreased mRNA expression were noted in colorectal cancer.
  • These DCC gene abnormalities were particularly prominent in cases with hepatic metastasis.

Impact:

  • DCC gene abnormalities may serve as predictive markers for liver metastasis in colorectal cancer patients.
  • This research contributes to understanding colorectal cancer's metastatic potential.
  • Findings could inform diagnostic strategies for colorectal cancer with liver metastasis.

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