Model rat with the onset of prostatic cancer

Multicellular living organisms and unmodified parts thereof and – Nonhuman animal

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C800S003000, C800S021000

Reexamination Certificate

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07105717

ABSTRACT:
To provide a rat model with the onset of prostate cancer in which the prostate cancer including an invasive cancer can be developed and can be bred for generations stably. A rat model with the onset of prostate cancer which can develop prostate cancer including invasive cancer and can be bred for generations stably is established by: ligating an SV40 large T antigen gene onto the downstream of rat probasin gene promoter; the resulting PBSVT transgene is introduced into a fertilized egg of a Sprague-Dawley rat; after the introduction, the fertilized egg is transplanted into a recipient rat; a transgenic rat obtained from the recipient rat is then mated with a wild-type Sprague-Dawley rat; the transgenic offspring rats thus obtained are similarly can be bred for generations thereafter; and transgenic rats developing prostate cancer are selected through histopathological observation of the prostate.

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Patent Abstracts of Japan, English language abstract of JP 11-313575, published Nov. 16, 1999.

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