The positive immunoreactive OFQ was detected in the tissues of aorta, atrium and renal of rabbit, as well as in smooth cells, endothelium and glomerulus.

• 免疫组织化学结果显示，心肌细胞OFQ免疫反应阴性，心房内膜的内皮细胞和主动脉、肾动静脉的内皮细胞及血管平滑肌细胞均含有OFQ免疫反应阳性颗粒，此外在肾小球也观察到了OFQ反应阳性细胞。