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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2016 Vol.35 No.3

Variety of Cardiac Functions of Eospalax cansus after Hypoxia Acclimatization
Author of the article:ZHANG Jing, WANG Qian, QIAN Lingbo, YANG Jing, HE Jianping*
Author's Workplace:College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
Key Words:Eospalax cansus; cardiac functions; hypoxic acclimatization
Abstract:Eospalax cansus is a unique model of hypoxic tolerance and is a blind subterranean mole rat which lives on the loess plateau of China. This species develops multiple mechanisms to adapt the special environments. In this study, to detect the effects of intermittent hypoxic acclimatization on cardiac functions, eighteen E. cansus were randomly assigned to normoxia (N) group and chronic intermittent hypoxia (CIH) group. The results showed that, compared with the N group, CIH could significantly increase heart rate (P<0.05), and extreme significantly increase the average carotid artery pressure and the left ventricular systolic pressure (P<0.01), while no significant changes were observed in maximum rise rate of left ventricle pressure and maximum decline rate of left ventricle pressure, etc. These results indicated that E. cansus had adapted to hypoxic habitats (underground burrow) and its cardiac compensations had been significantly developed, and these can therefore alleviate the hypoxic effects of cardiac functions.
2016,(35): 421-425 收稿日期:2015-10-26
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