Lung tumorigenesis associated with erb-B-2 and erb-B-3 overexpression in human erb-B-3 transgenic mice is enhanced by methylnitrosourea

Hang Zhou, Lili Liu, Keunmyoung Lee, Xiusheng Qin, Adam W. Grasso, Hsing Jien Kung, Joesph E. Willis, Jeffery Kern, Thomas Wagner, Stanton L. Gerson

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Erb-B-3 overexpression is associated with poor prognosis in non-small cell lung cancer and is often overexpressed in breast cancers. MMTVhuman-erb-B-3 transgenic mice were generated to evaluate the impact of erb-B-3 overexpression on lung and mammary gland tumorigenesis. These transgenic mice developed a high incidence of lung adenocarcinomas but not mammary gland tumors. The tumors overexpressed transgenic human [h]-erb-B-3 but also overexpressed endogenous erb-B-2, indicating that the heterodimer of h-erb-B-3-erb-B-2 was required for proliferative signal transduction to the nucleus. Lung tumor latency was shorter and the incidence higher in erb-B-3 transgenic mice treated with the methylating agent, methylnitrosourea [MNU]. In MNU treated mice, K-ras activating point mutations in codon 12, synergized with h-erb-B-3 in lung tumorogenesis. In bitransgenic MMTVrat-erb-B2/MMTV-human-erb-B-3 mice, lung tumor latency was also significantly shortened. Unlike over-expression of rat-erb-B-2, overexpression of h-erb-B-3 did not alter the incidence or latency of mammary tumors. Coupled erb-B-2 and erb-B-3 overexpression as well as K-ras activation induced signaling through mitogen-activated protein kinase (MAPK). This animal model links erb-B-3 with lung cancer, suggests that erb-B-2 and erb-B-3 heterodimerization is a necessary intermediate, and documents latency shortening by methylating agent-induced mutation of K-ras. This erb-B-3 mouse lung cancer model will help dissect genetic changes in lung tumorigenesis and may be useful for chemoprevention studies.

Original languageEnglish
Pages (from-to)8732-8740
Number of pages9
JournalOncogene
Volume21
Issue number57
DOIs
Publication statusPublished - Dec 12 2002
Externally publishedYes

Fingerprint

Methylnitrosourea
Transgenic Mice
Carcinogenesis
Lung
Human Mammary Glands
Breast Neoplasms
Lung Neoplasms
Incidence
Neoplasms
Chemoprevention
Mitogen-Activated Protein Kinases
Point Mutation
Non-Small Cell Lung Carcinoma
Codon
Signal Transduction
Animal Models
Mutation

Keywords

  • Erb-B-2
  • Erb-B-3
  • K-ras
  • Lung tumor
  • Methylnitrosourea
  • Transgenic mice

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cancer Research

Cite this

Lung tumorigenesis associated with erb-B-2 and erb-B-3 overexpression in human erb-B-3 transgenic mice is enhanced by methylnitrosourea. / Zhou, Hang; Liu, Lili; Lee, Keunmyoung; Qin, Xiusheng; Grasso, Adam W.; Kung, Hsing Jien; Willis, Joesph E.; Kern, Jeffery; Wagner, Thomas; Gerson, Stanton L.

In: Oncogene, Vol. 21, No. 57, 12.12.2002, p. 8732-8740.

Research output: Contribution to journalArticle

Zhou, H, Liu, L, Lee, K, Qin, X, Grasso, AW, Kung, HJ, Willis, JE, Kern, J, Wagner, T & Gerson, SL 2002, 'Lung tumorigenesis associated with erb-B-2 and erb-B-3 overexpression in human erb-B-3 transgenic mice is enhanced by methylnitrosourea', Oncogene, vol. 21, no. 57, pp. 8732-8740. https://doi.org/10.1038/sj.onc.1205984
Zhou, Hang ; Liu, Lili ; Lee, Keunmyoung ; Qin, Xiusheng ; Grasso, Adam W. ; Kung, Hsing Jien ; Willis, Joesph E. ; Kern, Jeffery ; Wagner, Thomas ; Gerson, Stanton L. / Lung tumorigenesis associated with erb-B-2 and erb-B-3 overexpression in human erb-B-3 transgenic mice is enhanced by methylnitrosourea. In: Oncogene. 2002 ; Vol. 21, No. 57. pp. 8732-8740.
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abstract = "Erb-B-3 overexpression is associated with poor prognosis in non-small cell lung cancer and is often overexpressed in breast cancers. MMTVhuman-erb-B-3 transgenic mice were generated to evaluate the impact of erb-B-3 overexpression on lung and mammary gland tumorigenesis. These transgenic mice developed a high incidence of lung adenocarcinomas but not mammary gland tumors. The tumors overexpressed transgenic human [h]-erb-B-3 but also overexpressed endogenous erb-B-2, indicating that the heterodimer of h-erb-B-3-erb-B-2 was required for proliferative signal transduction to the nucleus. Lung tumor latency was shorter and the incidence higher in erb-B-3 transgenic mice treated with the methylating agent, methylnitrosourea [MNU]. In MNU treated mice, K-ras activating point mutations in codon 12, synergized with h-erb-B-3 in lung tumorogenesis. In bitransgenic MMTVrat-erb-B2/MMTV-human-erb-B-3 mice, lung tumor latency was also significantly shortened. Unlike over-expression of rat-erb-B-2, overexpression of h-erb-B-3 did not alter the incidence or latency of mammary tumors. Coupled erb-B-2 and erb-B-3 overexpression as well as K-ras activation induced signaling through mitogen-activated protein kinase (MAPK). This animal model links erb-B-3 with lung cancer, suggests that erb-B-2 and erb-B-3 heterodimerization is a necessary intermediate, and documents latency shortening by methylating agent-induced mutation of K-ras. This erb-B-3 mouse lung cancer model will help dissect genetic changes in lung tumorigenesis and may be useful for chemoprevention studies.",
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AU - Qin, Xiusheng

AU - Grasso, Adam W.

AU - Kung, Hsing Jien

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