Journal of Capital Medical University ›› 2015, Vol. 36 ›› Issue (5): 675-679.doi: 10.3969/j.issn.1006-7795.2015.05.002

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Expression of α-synuclein in different regions of digestive tract of cynomolgus monkeys

Li Xuran1,2, Yang Weiwei1,2, Li Xin1,2, Yu Shun1,2,3   

  1. 1. Department of Neurobiology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China;
    2. Key Laboratory of Neurodegenerative Disease, Ministry of Education, Beijing 100053, China;
    3. Center for Parkinson's Disease, Beijing Institute for Brain Disorders, Beijing 100053, China
  • Received:2015-09-14 Online:2015-10-21 Published:2015-10-20
  • Contact: 于顺 E-mail:yushun103@163.com
  • Supported by:
    This study was supported by Major State Basic Research Development Program of China(973 Program) (2011CB504101), National Natural Science Foundation of China (81071014, 81371200, 81401042), National Science and Technology Support Program (2012BAI10B03), Natural Science Foundation of Beijing (7122035), Capital Health Research and Development Special Fund (2011-4001-01).

Abstract: Objective To investigate the expression of α-synuclein (α-Syn) in different regions of the digestive tract of cynomolgus monkeys. Methods Immunohistochemistry and Western blotting analysis were applied to observe the expression of α-Syn in the digestive tract of cynomolgus monkeys. Results α-Syn immunoreactive substances were observed in both the nerve fibers and nerve plexus in the wall of the digestive tract of cynomolgus monkeys. The α-Syn immunopositive structures were found in the mucosa, submucosal nerve plexus, and myenteric nerve plexus of the digestive tract. The amounts of α-Syn in different regions of the digestive tract were different, with the higher level of α-Syn found in the duodenum, jejunum, ileum, and colon, and lower levels of stomach and esophagus. Conclusion α-Syn is mainly localized in the intrinsic nerves in the digestive tract of cynomolgus monkeys, with the levels differing in different regions of the digestive tract.

Key words: α-synuclein, digestive tract, cynomolgus monkeys, intrinsic nerve

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