In the anterior hypothalamus,a concomitant increase in the basal extracellular 5-HT levels was measured by using in vivo microdialysis in awake rats on Day 4 following KLH administration.

• 当免疫刺激大鼠4天后,其下丘脑匀浆5羟色胺水平出现降低,同时应用在体脑微透析技术研究发现清醒大鼠腹腔注射血蓝蛋白4天后,其下丘脑前叶细胞外液的5羟色胺水平增加。