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KMID : 0357219990110020115
Journal of Korean Society Physical Therapy
1999 Volume.11 No. 2 p.115 ~ p.122
Bombesin Immunorectivtiy in Suprachiasmatic Nucleus in Rat and Mongolian Gerbil after Colchicine Treatment


Abstract
This experiment was carried out to investigate the bombesin immunoreactivity in suprachiasmatic nucleus in rat and Mongolian gerbil hypothalamus after colchicine treatment and analyze the morphological difference between rat and Mongolian gerbil which is focused for experimental animal model of neuronal and circulatory diseases. The results were as followings. 1. The shape of suprachiasmatic nucleus was triangle in rat, but oval or kidney-shape in Mongolian gerbil 2. The suprachiasmatic nucleus devided into ventrolateral portion and dorsomedial portion in rat, but dorsolateral portion and ventromedial portion or superior portion and inferior portion in Mongolian gerbil. 3. The area of suprachiasmatic nucleus of rat was greater than one of Mongolian gerbil. 4. The bombesin immunoreactivity showed after colcichine treatment in rat and Mogolian gerbil suprachiasmatic nucleus. 5. The bombesin immunoreactivity was stronger in ventrolateral portion than in dorsomedial portion of suprachiasmatic nucleus in rat, but in ventromedial or inferior portion than in dorsolateral or superior portion of suprachiasmatic nucleus in Mongolian gerbil. 6. The bombesin immunoreactivity showed at the oval, ellipsoid or triangular neurons and varicose nerve terminals in ventrorateral portion of rat, and only nerve terminals in dorsomedial portion of rat suprachiasmatic nucleus. But the bombesin immunoreativity didn¡¯¡¯t show at neurons of Mongolian gerbil suprachiasmatic nucleus.
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