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Identification of b...
Identification of brain-derived neurotrophic factor promoter regions mediating tissue-specific, axotomy-, and neuronal activity-induced expression in transgenic mice
- Artikel/kapitelEngelska1995
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1995-01-01
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Rockefeller University Press,1995
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LIBRIS-ID:oai:prod.swepub.kib.ki.se:1930824
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http://kipublications.ki.se/Default.aspx?queryparsed=id:1930824URI
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https://doi.org/10.1083/jcb.128.1.185DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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The structure of rat brain-derived neurotrophic factor (BDNF) gene is complex; four 5' exons are linked to separate promoters and one 3' exon is encoding the BDNF protein. To analyze the relative importance of the regulatory regions in vivo, we have generated transgenic mice with six different promoter constructs of the BDNF gene fused to the chloramphenicol acetyl transferase reporter gene. High level and neuronal expression of the reporter gene, that in many respects recapitulated BDNF gene expression, was achieved by using 9 kb of genomic sequences covering the promoter regions that lie adjacent to each other in the genome (promoters I and II and promoters III and IV, respectively) and by including sequences of BDNF intron-exon splice junctions and 3' untranslated region in the constructs. The genomic regions responsible for the in vivo upregulation of BDNF expression in the axotomized sciatic nerve and in the brain after kainic acid-induced seizures and KCl-induced spreading depression were mapped. These data show that regulation of the different aspects of BDNF expression is controlled by different regions in vivo, and they suggest that these promoter constructs may be useful for targeted expression of heterologous genes to specific regions of the central and peripheral nervous systems in an inducible manner.
Biuppslag (personer, institutioner, konferenser, titlar ...)
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LENDAHL, UKarolinska Institutet
(författare)
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FUNAKOSHI, H
(författare)
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ARENAS, EKarolinska Institutet
(författare)
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PERSSON, H
(författare)
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METSIS, M
(författare)
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Karolinska Institutet
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:The Journal of cell biology: Rockefeller University Press128:1-2, s. 185-1990021-95251540-8140
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