DEFICIENCY OF KALLIKREIN-LIKE ENZYME-ACTIVITIES IN CEREBRAL TISSUE OF PATIENTS WITH ALZHEIMERS-DISEASE

被引:98
作者
AOYAGI, T [1 ]
WADA, T [1 ]
NAGAI, M [1 ]
KOJIMA, F [1 ]
HARADA, S [1 ]
TAKEUCHI, T [1 ]
TAKAHASHI, H [1 ]
HIROKAWA, K [1 ]
TSUMITA, T [1 ]
机构
[1] TOKYO METROPOLITAN GERIATR HOSP & INST GERONTOL,ITABASHI KU,TOKYO 173,JAPAN
来源
EXPERIENTIA | 1990年 / 46卷 / 01期
关键词
Alzheimer's disease; brain; kallikrein; prolyl endopeptidase; proteases;
D O I
10.1007/BF01955428
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We examined the changes in the intracerebral activities, at the time of postmortem autopsy, in patients with Alzheimer's disease. When compared with the control group, the activity of kallikrein-like enzyme was significantly decreased, while prolyl endopeptidase activity increased, in the patients group. Aprotinin inhibited 50% of the activity of the former enzyme at 2×10-7M. Taken together with the results of a multivariate study, the above findings may indicate that intracerebral kallikrein deficiency plays an important role in the pathogenesis of Alzheimer's disease. © 1990 Birkhäuser Verlag.
引用
收藏
页码:94 / 97
页数:4
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