| Project/Area Number |
13671026
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Psychiatric science
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| Research Institution | Nara Medical university |
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Principal Investigator |
KISHIMOTO Toshifumi Nara Medical University, Psychiatry, Professor, 医学部, 教授 (60201456)
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| Co-Investigator(Kenkyū-buntansha) |
MORIKAWA Masayuki Nara Medical University, Psychiatry, Research Associate, 医学部, 助手 (30305726)
NORIYAMA Yoshinobu Nara Medical University, Psychiatry, Research Associate, 医学部, 助手 (20305725)
KAWABATA Yoko Nara Medical University, Psychiatry, Research Associate, 医学部, 助手 (70145861)
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| Project Period (FY) |
2001 – 2002
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| Project Status |
Completed (Fiscal Year 2002)
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| Budget Amount *help |
¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2002: ¥700,000 (Direct Cost: ¥700,000)
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| Keywords | water intoxication / neurotoxity / schizophrenia / anti-psychotic drug / apoptosis / 神経毒性 |
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| Research Abstract |
In order to develop the model rats of water intoxication induced by anti-psychotic drug administration, we tried to establish the system of the continuous infusion into the ventricles. First, male Wistar rat of 160-170g were fed for 21 days, and the basic behavioral data were taken. Next, stainless guide-canule was set in SRO under the anesthesia of pentobarbital. Then, saline was continuously injected by osmotic pump through the canule. After 3 weeks, the injection was confirmed by histopathological observations. Thus, the continuous injection system was developed and applied to the examination of water intoxication.
And apoptosis of neurons was examined by immunohistological method using anti-caspase 3 antibody that recoginizes the fragmented caspase 3, and by Tunnel staining. These observations showed that some neurons were fallen in apoptotic state even in normal rat brain.
Finally, we developed an antibody agaisnt DDB1 which translocates to nucleus at DNA damage, and the observations with the antibody indicated that the apoptotic neurons did not show the DNA repair.
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