GENE TRANSFER AND THE EXPRESSION OF A FOREIGNGENE IN VIVO IN POST-MITOTIC NEURONS OF THE ADULT RAT BRAIN
Project/Area Number |
05454659
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Research Category |
Grant-in-Aid for General Scientific Research (B)
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Allocation Type | Single-year Grants |
Research Field |
Nerve anatomy/Neuropathology
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Research Institution | NARA INSTITUTE OF SCIENCE & TECHNOLOGY |
Principal Investigator |
SHIOSAKA Sadao NARA INSTITUTE OF SCIENCE & TECHNOLOGY PROFESSOR, バイオサイエンス研究科, 教授 (90127233)
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Project Period (FY) |
1993 – 1994
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Project Status |
Completed (Fiscal Year 1994)
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Budget Amount *help |
¥6,300,000 (Direct Cost: ¥6,300,000)
Fiscal Year 1994: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1993: ¥4,300,000 (Direct Cost: ¥4,300,000)
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Keywords | Gene transfer / Central nervous system / Neuronal cell / Post-mitotic cells / Mammalian expression vector / 中枢神経系 / 神経栄養因子 / 神経成長因子 / 線維芽細胞成長因子 / HMG / 細胞導入法 |
Research Abstract |
Neurons in the adult rat brain were transfected in vivo with a simple plasmid that harvored the gene forbeta-galactosidase from Escherichia coli under control of a chiken beta-actin promoter by use of the hemagglutinating virus of Japan (HVJ) and loposomes. Cells that expressed beta-galactosidase were detected only in the target area of the central nervous system for 10 days by light microscopic analysis. Since electron microscopic analysis revealed that the products of the histochemical reaction were predominantly associated with the nuclear membrane and the endoplasmic reticulum of positive cells, it appeard that the products were translated endogenously and had not been entrapped by endocytocis. Furthermore, the products were observed in typical neuronal cells with a large, round, and pale nuclei, and with direct axo-somatic and axo-dendritic synaptic contacts. This report suggests the possibility of introducing functionally sgnificant genes neurons in targeted areas of the adult central nervous system.
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Report
(3 results)
Research Products
(14 results)
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[Publications] Chen, Z-L., Yoshida, S., Kato, K., Momota, Y., Suzuki, J., Tanka, T., Ito, J., Nishino, H., Aimoto, S., Kiyama, H.and Shiosaka, S.: "Expression and activity-dependent changes of a novel limbic-serine protease gene in the hippocampus" J.Neurosci. in press. (1995)
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[Publications] Yoshida, S., LiN,L-P., Chen, Z-L., Momota, Y., Kato, K., Tanaka, T., Wanaka, T., and Shiosaka, S.: "Basal magnocellular and pontine cholinergic neurons coexpress FGF receptor mRNA" Heurosci. Res.20. 35-42 (1994)
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[Publications] Takami, K., Kiyota, Y., Iwane, M., Miyamoto, M., Tsukuda, R., Igarashi, K., Shino, A., Wanaka, A., Shiosaka, S.and Tohyama, M.: "Upreguration of fibroblast growth factor-receptor messenger RNA expression in rat following transient forebrain ischemia" Exp/Brain Res.97. 185-194 (1993)
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[Publications] Imaizumi, K., Iwata, H., Yoshida, S., Sun, G., Okumura, N,and Shiosaka, S.: "Coexistense of amygdaloid b-protein precursor and basic fibroblast growth factor in single cells of the rat parietal cortex, hippocampus and basal magnocellular nucleus" J.Chem.Neuroanat.6. 159-165 (1993)
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