Neuronal and extraneuronal expression and regulation of the human alpha 5 nicotinic receptor subunit gene (Articolo in rivista)

Type
Label
  • Neuronal and extraneuronal expression and regulation of the human alpha 5 nicotinic receptor subunit gene (Articolo in rivista) (literal)
Anno
  • 2000-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1046/j.1471-4159.2000.0750018.x (literal)
Alternative label
  • Flora, A; Schulz, R; Benfante, R; Battaglioli, E ; Terzano, S; Clementi, F; Fornasari, D (2000)
    Neuronal and extraneuronal expression and regulation of the human alpha 5 nicotinic receptor subunit gene
    in Journal of neurochemistry
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Flora, A; Schulz, R; Benfante, R; Battaglioli, E ; Terzano, S; Clementi, F; Fornasari, D (literal)
Pagina inizio
  • 18 (literal)
Pagina fine
  • 27 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 75 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. CNR - Istituto di Neuroscienze, Milano 2. Università degli Studi di Milano, Dip. di Farmacologia, Chemioterapia e Tossicologia Medica, Milano (literal)
Titolo
  • Neuronal and extraneuronal expression and regulation of the human alpha 5 nicotinic receptor subunit gene (literal)
Abstract
  • The mRNA encoding the human alpha 5 nicotinic subunit was detected in several structures of the nervous system but appeared to be mainly expressed in cerebellum, thalamus, and the autonomic ganglia. For the first time, the alpha 5 transcript was also detected in several nonneuronal tissues, with maximal expressions being found throughout the gastrointestinal tract, thymus, and testis. Many other extraneuronal sites expressed alpha 5, but there were also nonexpressing organs, such as the liver, spleen, and kidney. To understand the transcriptional mechanisms controlling such a diversified expression of alpha 5 in neuronal and nonneuronal cells, we isolated the 5'-regulatory region of the human gene and characterized its properties. Here we identify the alpha 5 core promoter and demonstrate that the DNA regions surrounding it contain elements (with positive or negative activities) that work in a tissue-specific fashion. In particular, the segment specifying the 5'-untranslated region in neuronal cells has most of the properties of an enhancer because it activates a heterologous promoter in a position- and orientation-independent fashion. We therefore conclude that the expression of alpha 5 relies on a highly complex promoter that uses distinct regulatory elements to comply with the different functional and developmental requirements of the various tissues and organs. (literal)
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