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Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 33, No. 2, 2012, pp. 231-236
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Bioline Code: zr12035
Full paper language: English
Document type: Report
Document available free of charge
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Zoological Research, Vol. 33, No. 2, 2012, pp. 231-236
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Locomotor activity and learning and memory abilities in Alzheimer’s disease induced by Aluminum in an acid environment in Zebrafish
HE Xiong; ZHONG Zhao-Ming & CHE Yi
Abstract
We investigated the contribution of locomotor activity and learning and memory abilities to Alzheimer's
disease induced by metal neurotoxicity. The metal neurotoxicity model was established by using locomotor activity tests
and activity-avoidance conditioning paradigms, and observing changes in zebrafish behaviors after exposure to 50 μg/L
of AlCl3 with different pH values (pH 7.8, pH 6.8 and pH 5.8) for 24 hours and 96 hours. The results showed Alzheimer's
disease-like behavior in locomotor activity tests and activity-avoidance conditioning paradigms by zebrafish receiving
AlCl3 in pH 5.8 significantly decreased compared to the control group and groups receiving AlCl3 in pH 7.8 and pH 6.8
for 96 hours and 24 hours. These results provide evidences that exposure to AlCl3 in an acid environment can influence
locomotor activity and learning and memory abilities in zebrafish. In addition, exposure time and concentration of Al
induced neurotoxicity and damaged the brain area of memory, resulting in Alzheimer's disease-like behavior.
Keywords
Aluminum; Acid environment; Locomotor activity; Learning and memory abilities; Alzheimer's disease
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