Transgenic oncogene mice

Tumor phenotype predicts genotype

Robert Cardiff, E. Sinn, W. Muller, P. Leder

Research output: Contribution to journalArticle

91 Citations (Scopus)

Abstract

The hypothesis that oncogenes influence tumor phenotype was tested by examining slides from 607 mammary tumors from 407 transgenic mice bearing the ras, myc, and/or neu oncogenes. Most tumors (91%) had patterns (phenotypes) that could not be classified by Dunn's standard nomenclature. The nonstandard tumors were described as eosinophilic small cell (SC), basophilic large cell (LC), or pale intermediate cell (IC). The SC tumor was associated with ras, the LC was associated with myc, and the IC was associated with neu, with specificities more than .90 and sensitivities ranging from .99 to .48. Thus, the tumor phenotype could be used to predict which oncogene was present in the animal. The presence of myc in combination with either ras or neu resulted in the predominance of LC tumors and accelerated tumorigenesis. The combination of ras and neu resulted in a decreased tumor incidence. Thus, knowledge of the oncogenes that were present could be used to predict the natural history of the disease.

Original languageEnglish (US)
Pages (from-to)495-501
Number of pages7
JournalAmerican Journal of Pathology
Volume139
Issue number3
StatePublished - Jan 1 1991

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Oncogenes
Transgenic Mice
Genotype
Phenotype
Neoplasms
Terminology
Carcinogenesis
Breast Neoplasms
Incidence

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Transgenic oncogene mice : Tumor phenotype predicts genotype. / Cardiff, Robert; Sinn, E.; Muller, W.; Leder, P.

In: American Journal of Pathology, Vol. 139, No. 3, 01.01.1991, p. 495-501.

Research output: Contribution to journalArticle

Cardiff, R, Sinn, E, Muller, W & Leder, P 1991, 'Transgenic oncogene mice: Tumor phenotype predicts genotype', American Journal of Pathology, vol. 139, no. 3, pp. 495-501.
Cardiff, Robert ; Sinn, E. ; Muller, W. ; Leder, P. / Transgenic oncogene mice : Tumor phenotype predicts genotype. In: American Journal of Pathology. 1991 ; Vol. 139, No. 3. pp. 495-501.
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