[Behavioral and histochemical observation in rotational rat with adrenal medulla transplantation].

It is widely known that rotation rat is prepared by destroying substantia nigra pars compacta in the rat. Adrenal medulla was transplanted to the rat. The transplantation was judged to be effective in the rat to which adrenal medullary cell was transplanted as the number of rotation decreased evidently in the rat with transplanted adrenal medulla even in the change in the rotating motion after actual transplantation. On the other hand, many transplanted cells transformed into nerve cell which was considered to have produced dopamine were observed in the rat in which transplantation was judged as effective in the histochemical assessment made of the group undergone transplantation of the adrenal medulla. However, in the rat in which no decrease in the number of rotation was observed, only the transplanted cells which were presumed to be the primary adrenal medullary cells were existent. The fact suggests that take of dopamine-producing cells is necessary to see decrease in rotating motion which is found to be the judging criterion for clinical effect.