Objective To investigate the role and mechanism of bombesin receptor subtype 3(BRS-3) in the proliferation and protection against injury of human brochial epithelial cells(HBECs).

• 目的:研究蛙皮素受体亚型-3(bombesin receptor subtype-3,BRS-3)激活对人支气管上皮细胞(hum an broch ial ep ithelial cells,HBECs)增殖的影响及对HBECs抗损伤的保护作用,并探讨其初步机制。