| 摘要 |
The invention of the present patent application provides, a histamine-hyperproductive animal, which is a non-human animal or progeny thereof obtained by ontogenesis of totipotent cells transfected with a polynucleotide encoding histidine decarboxylase and has the above polynucleotide in the cellular chromosome to produce histamine at a high level in the somatic cells. Thus, analysis of the pathogenesis and pathological consequence in various disorders associated with histamine in human as well as development of therapeutic techniques and remedies for these disorders will be developed.
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