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Related Experiment Videos

Knockout mouse models and mammary tumorigenesis.

C X Deng1, S G Brodie

  • 1Genetics of Development and Diseases Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, 10/9N105, Bethesda, MD 20892, USA. chuxiad@bdg10.niddk.nih.gov

Seminars in Cancer Biology
|September 20, 2001
PubMed
Summary

Transgenic mouse models help study mammary tumors. Conditional knockout mice overcome lethality, enabling research into tumor suppressor genes like APC, ATM, BRCA1, BRCA2, PTEN, and p53 in tumorigenesis.

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Area of Science:

  • Oncology
  • Genetics
  • Molecular Biology

Background:

  • Oncogene overexpression in transgenic mice advances understanding of mammary tumor development.
  • Targeting tumor suppressor genes is crucial, but often hindered by embryonic lethality in knockout models.

Purpose of the Study:

  • To review the role of key tumor suppressor genes in mammary tumorigenesis using knockout mouse models.
  • To explore mechanisms of mammary tumor formation and progression influenced by these genes.

Main Methods:

  • Summarizing recent studies utilizing conditional knockout mouse models.
  • Analyzing data from models targeting specific tumor suppressor genes (APC, ATM, BRCA1, BRCA2, PTEN, p53).

Main Results:

Related Experiment Videos

  • Conditional knockouts enable the study of tumor suppressor gene functions in mammary tumor formation.
  • These models provide insights into the mechanisms of mammary tumorigenesis.

    • Conclusions:

    • Conditional knockout technology is essential for studying tumor suppressor genes in mammary cancer.
    • Understanding these genes' roles is vital for developing targeted cancer therapies.