Transgenic mouse models for studies of the role of polyamines in normal, hypertrophic and neoplastic growth

A. E. Pegg, D. J. Feith, L. Y.Y. Fong, C. S. Coleman, T. G. O'Brien, L. M. Shantz

Research output: Contribution to journalArticle

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Abstract

Transgenic mice expressing proteins altering polyamine levels in a tissue-specific manner have considerable promise for evaluation of the roles of polyamines in normal, hypertrophic and neoplastic growth. This short review summarizes the available transgenic models. Mice with large increases in ornithine decarboxylase (ODC), S-adenosylmethionine decarboxylase or antizyme, a protein regulating polyamine synthesis by reducing polyamine transport and ODC in the heart, have been produced using constructs in which the protein is expressed from the α-myosin heavy-chain promoter. These mice are useful in studies of the role of polyamines in hypertrophic growth. Expression from keratin promoters has been used to target increased synthesis of ODC, spermidine/spermine-N1-acetyltransferase (SSAT) and antizyme in the skin. Such expression of ODC leads to an increased sensitivity to chemical and UV carcinogenesis. Expression of antizyme inhibits carcinogenesis in skin and forestomach. Expression of SSAT increases the incidence of skin papillomas and their progression to carcinomas in response to a two-stage carcinogenesis protocol. These results establish the importance of polyamines in carcinogenesis and neoplastic growth and these transgenic mice will be valuable experimental tools to evaluate the importance of polyamines in mediating responses to oncogenes and studies of cancer chemoprevention.

Original languageEnglish (US)
Pages (from-to)356-360
Number of pages5
JournalBiochemical Society transactions
Volume31
Issue number2
DOIs
StatePublished - Apr 1 2003

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Polyamines
Transgenic Mice
Ornithine Decarboxylase
Growth
Carcinogenesis
Skin
Acetyltransferases
Spermidine
Spermine
Adenosylmethionine Decarboxylase
Proteins
Myosin Heavy Chains
Chemoprevention
Papilloma
Keratins
Oncogenes
Tissue
Carcinoma
Incidence
Neoplasms

All Science Journal Classification (ASJC) codes

  • Biochemistry

Cite this

Pegg, A. E. ; Feith, D. J. ; Fong, L. Y.Y. ; Coleman, C. S. ; O'Brien, T. G. ; Shantz, L. M. / Transgenic mouse models for studies of the role of polyamines in normal, hypertrophic and neoplastic growth. In: Biochemical Society transactions. 2003 ; Vol. 31, No. 2. pp. 356-360.
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Transgenic mouse models for studies of the role of polyamines in normal, hypertrophic and neoplastic growth. / Pegg, A. E.; Feith, D. J.; Fong, L. Y.Y.; Coleman, C. S.; O'Brien, T. G.; Shantz, L. M.

In: Biochemical Society transactions, Vol. 31, No. 2, 01.04.2003, p. 356-360.

Research output: Contribution to journalArticle

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