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Nature. 1985 May 9-15;315(6015):115-22.

Heritable formation of pancreatic beta-cell tumours in transgenic mice expressing recombinant insulin/simian virus 40 oncogenes.


Following the transfer into fertilized mouse eggs of recombinant genes composed of the upstream region of the rat insulin II gene linked to sequences coding for the large-T antigen of simian virus 40, large-T antigen is detected exclusively in the beta-cells of the endocrine pancreas of transgenic mice. The alpha- and delta-cells normally found in the islets of Langerhans are rare and disordered. Well-vascularized beta-cell tumours arise in mice harbouring and inheriting these hybrid oncogenes.

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