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Phosphatase and peptidase activities in reindeer antler throughout the growth cycle

 

作者: L. A. Salo,   T. Yliniemi,   M. Larmas,   M. Nieminen,  

 

期刊: Journal of Interdisciplinary Cycle Research  (Taylor Available online 1986)
卷期: Volume 17, issue 1  

页码: 1-6

 

ISSN:0022-1945

 

年代: 1986

 

DOI:10.1080/09291018609359893

 

出版商: Taylor & Francis Group

 

关键词: Antler (reindeer);Growth cycle;Alkaline phosphatase;Acid phosphatase;Aminopeptidase

 

数据来源: Taylor

 

摘要:

Alkaline phosphatase activity increased 10,000‐fold over basal levels in reindeer antler during the period of massive growth. The activity was highest in the zone of differentiating chondrogenic cells in the growing tip. The activity in the shaft was lower. PPiase activity was also highest in the antler tip, but compared to alkaline phosphatase, was more tightly membrane‐bound. Ca2+, Mg2+‐ATPase activity was not so markedly elevated in the tip as were the other activities. During the growth cycle, the highest activities of acid phosphatase and amino peptidases occurred later than the peak of alkaline phosphatase activity, and were found mainly in the dermis of the shaft.

 

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