Immunohistochemical distribution of bombesin-positive pulmonary neuroendocrine cells in a congenital diaphragmatic hernia

被引:18
作者
Asabe, K [1 ]
Tsuji, K [1 ]
Handa, N [1 ]
Kajiwara, M [1 ]
Suita, S [1 ]
机构
[1] Oita Prefectural Hosp, Dept Pediat Surg, Oita 8708511, Japan
关键词
congenital diaphragmatic hernia; neuroendocrine cell; bombesin; hypoplastic lung; immunohistochemistry;
D O I
10.1007/BF02483031
中图分类号
R61 [外科手术学];
学科分类号
摘要
Morphometrical analyses of the immunohistochemical expression of bombesin, which is one of the peptides produced by pulmonary neuroendocrine (PNE) cells, were carried out on the bronchioles of human congenital diaphragmatic hernia (CDH) neonates, and the findings were then compared with those in a gestational and postnatal age-matched control group. As a result, no difference was found in the number of bombesin-positive cells between the lungs of the control group and the unaffected side lungs in the CDH group except for the ratio of the bombesin-positive cells per unit of the bronchiolar surface area (P < 0.05), However, compared with the lungs in the control group, the affected side of the lungs in the CDH group showed a significant increase in the expression of bombesin, namely, the ratio of the bombesin-positive cells per bronchiole (P < 0.05), the ratio of the bombesin-positive cells per unit perimeter of the bronchioles (P < 0.05), and the ratio of the bombesin-positive cells per unit of the bronchiolar surface area (P < 0.01). These results thus suggest that hyperplasia of the PNE-cell system in the lungs of the CDH cases, especially on the affected side, exists in human fetuses. We also further speculate that PNE cells mag thus play a role in the problems associated with CDH during intrauterine life in human beings.
引用
收藏
页码:407 / 412
页数:6
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