Reference SummaryNielsen LL, Anticancer Res 1995 Mar-Apr;15(2):385-92

Title

In wap-ras transgenic mice, tumor phenotype but not cyclophosphamide-sensitivity is affected by genetic background.

Authors

Nielsen LL; Gurnani M; Catino JJ; Tyler RD

Journal

Anticancer Res

Volume

15

Issue

2

Year

1995

Pages

385-92

Abstract

Male wap-ras transgenic mice develop adenocarcinomas in salivary and/or mammary tissue by age 1 year. When the wap-ras transgene was bred into the FVB/N strain, males developed multiple mammary tumors between 1.5 and 3 mo. of age, but no salivary tumors. Crosses between ras/FVB mice and other strains produced moderate changes in mammary tumor onset and severity, but no salivary tumors. Histopathological analysis of 62 adenocarcinomas from 18 mice yielded: 14 tumors with areas of squamous metaplasia, many tumors with epithelium-lined cysts, few immune cells in tumors, and no lung metastases. Cyclophosphamide delayed tumor onset and inhibited the growth of established tumors. Our results suggest that wap-ras mice will be useful for studying ras-mediated tumor genetics and should be a good assay system for both preventative and curative anticancer therapies.

Links

J:46464 – MGI References
7763010 – National Library of Medicine/PubMed
Visual Summary Grid

Models

Strain Model Name Treatment Agent(s) Organ Affected Frequency Model Details
STOCK Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma Mammary gland

98

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma Mammary gland

90

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma Mammary gland

100

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma Mammary gland

100

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma Mammary gland

100

B6;SJL-Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma - adenosquamous Mammary gland

50

FVB.B6SJLF1-Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma - adenosquamous Mammary gland

100

FVB.B6SJLF1-Tg(Wap-HRAS)69Lln Chr YSJL Mammary gland carcinoma - adenosquamous
  • castration
Mammary gland

100

B6;SJL-Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland - Submandibular adenocarcinoma Salivary gland - Submandibular

50

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland - Submandibular adenocarcinoma Salivary gland - Submandibular

observed

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland tumor Salivary gland

0

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland tumor Salivary gland

0

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland tumor Salivary gland

0

STOCK Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland tumor Salivary gland

0

FVB.B6SJLF1-Tg(Wap-HRAS)69Lln Chr YSJL Salivary gland tumor Salivary gland

0