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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Jamal, Mostofa Ameno, Kiyoshi Miki, Takanori Tanaka, Naoko Ono, Junichiro Shirakami, Gotaro Sultana, Ruby Yu, Nakamura Kinoshita, Hiroshi |
| Description | Country affiliation: Japan Author Affiliation: Jamal M ( Department of Forensic Medicine, Faculty of Medicine, Kagawa University, 1750-1, Ikenobe, Miki, Kita, Kagawa 761-0793, Japan. jamaldr68@yahoo.com) |
| Abstract | Aldehyde dehydrogenase 2 deficiency may directly contribute to excess acetaldehyde (AcH) accumulation after ethanol (EtOH) drinking and AcH mediates some of the behavioral effects of EtOH. Apolipoprotein E has been suggested to be involved in the alteration of attention and memory. We have chosen Aldh2-knockout (Aldh2-KO), ApoE-KO, and their wild-type (WT) control mice to examine the effects of EtOH and AcH on spatial memory and to compare the possible relationship between genetic deficiency and memory using two behavioral assessments. Mice were trained for 4 days, with EtOH (0.5, 1.0, 2.0 g/kg) being given intraperitoneally on day 4. A probe trial was given on day 5 in the non-EtOH state in the Morris water maze (MWM). The results showed that 2.0 g/kg EtOH increased errors, indicating memory impairment on the eight-arm radial maze (RAM) for all the mice studied. One gram per kilogram EtOH impaired the performance of Aldh2-KO and ApoE-KO mice, but not WT mice. We found similar effects of EtOH on the MWM performance, with 2.0 g/kg EtOH increasing the latencies. One gram per kilogram EtOH increased the latencies of Aldh2-KO and WT mice, but not ApoE-KO mice. The 2.0 g/kg EtOH-induced memory impairment in Aldh2-KO mice was greater, suggesting an AcH effect. Furthermore, time spent on the probe trial was shorter in mice that had previously received 2.0 g/kg EtOH. ApoE-KO mice learned more slowly, while Aldh2-KO mice learned more quickly. Both the RAM and MWM results suggest that high EtOH and AcH impair spatial memory in mice, while lower doses do not have consistent memory effects. In addition, we conclude that genetic differences might underlie some of EtOH's effects on memory. |
| File Format | HTM / HTML |
| ISSN | 00913057 |
| Issue Number | 3 |
| Volume Number | 101 |
| e-ISSN | 18735177 |
| Journal | Pharmacology Biochemistry and Behavior |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-05-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Behavioral Sciences Discipline Biochemistry Discipline Pharmacology Acetaldehyde Administration & Dosage Aldehyde Dehydrogenase Physiology Apolipoproteins E Ethanol Memory Drug Effects Toxicity Deficiency Genetics Animals Female Male Maze Learning Mice Mice, Inbred C57bl Mice, Knockout Spatial Behavior Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biological Psychiatry Behavioral Neuroscience Biochemistry Clinical Biochemistry Toxicology Pharmacology |
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