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[Expression of Girdin in brain tissues of Alzheimer's disease]
Longteng Liu1, Ping Jiang1, Di Cui1
1Department of Pathology, Key Laboratory of Geriatrics, Beijing Hospital, Ministry of Health, Beijing 100730, China.
Objective:
To investigate the expression of Girdin and its significance in Alzheimer's disease (AD).
Methods:
Fifty-nine autopsy cases from Department of Pathology, Beijing Hospital from January 1988 to December 2013, including 35 AD cases and 24 non-AD cases as control. Girdin and amyloid β-protein (Aβ) expression was evaluated immunohistochemically by EnVision method. The correlation between Girdin and Aβ was analyzed.
Results:
Girdin expression was localized in the nucleus and/or cytoplasm. The expression rates of Girdin were 20.0% (7/35) in the AD group and 83.3% (20/24) in the non-AD group, respectively. The difference was significant (Yates's correction for continuity χ(2)=20.527, P<0.05). Girdin expression and Aβ deposition also correlated significantly (P<0.05).
Conclusions:
Girdin shows reduced expression in AD, and is correlated positively with Aβ deposition. This suggests that Girdin may play an important role in the occurrence and development of AD.
