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  • 1
    ISSN: 1590-3478
    Keywords: Anticholinergics ; Bornaprine ; Parkinson disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Sommario Sono stati esaminati 30 pazienti affetti da morbo di Parkinson idiopatico, di cui 13 maschi e 17 femmine, di età compresa tra 50 edi i 70 anni, in terapia stabilizzata con L-Dopa o con Bromocriptina o con entrambe. In tutti i soggetti, questi farmaci non consentivano un adeguato controllo della sintomatologia, con particolare riferimento al tremore. Lasciando invariata la terapia in atto, si è somministrato Bornaprine od und placebo identico, secondo una sequenza randomizzata, in doppio cieco con cross-over. I pazienti sono stati esaminati per mezzo della Webster Rating Scale a tempi predeterminati, prima, durante e dopo ciascuna fase del trattamento con farmaco o con placebo. L'analisi statistica dei risultati ha dimostrato la significativa superiorità del Bornaprine rispetto al placebo nel ridurre il tremore (p〈0.01) e, in minor misura, alcuni altri sintomi della serie parkinsoniana. Non si sono rilevati effetti collaterali di rilievo, sia dal punto di vista clinico sia da quello strumentale. L'unica eccezione è rappresentata dalla maggiore incidenza di xerostomia nel corso del trattamento con farmaco attivo rispetto a quello con placebo.
    Notes: Abstract The study covers 30 patients with idiopathic Parkinson disease, 13 men and 17 women, aged betwen 50 and 70, on stabilized L-Dopa and/or bromocriptine, which failed to ensure adequate control of the symptoms, especially tremor. To this regimen was added Bornaprine/placebo in randomized sequence. The patients were tested according to the Webster Rating Scale before, during and after each stage of the treatment. Statistical analysis of the results showed the superiority of Bornaprine over the placebo in reducing tremor (p〈0.01) and, to a lesser degree, some other parkinsonian symptoms. No noteworthy side effects were found apart from dryness of the mouth, which was more frequent with Bornaprine.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1617-4623
    Keywords: Nitrogen assimilation ; Gene regulation ; Promoter ; Deletion analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The cloning and sequence determination is reported of the DNA region of Rhizobium leguminosarum coding for glutamine synthetase II (GSII). An open reading frame (ORF) encoding 326 amino acids was defined as the glnII gene on the basis of its similarity to other glnII genes and the ability of a DNA fragment carrying this ORF to complement the glutamine auxotrophy of a Klebsiella pneumoniae glnA mutant. We find that the glnII gene in R. leguminosarum is transcribed as a monocistronic unit from a single promoter, which shows structural features characteristic of rpoN(ntrA)-dependent promoters. In K. pneumoniae, such promoters require the ntrC and rpoN(ntrA) gene products for transcription. The intracellular level of glnII mRNA changes when R. leguminosarum is grown on different nitrogen sources, as expected for regulation by the nitrogen regulatory system. Promoter deletion analysis has shown that an extensive upstream DNA sequence (316 bp) is essential for in vivo activation of the glnII promoter in different biovars of R. leguminosarum. This DNA region requires a wild-type ntrC gene for activity and includes two conserved putative NtrC-binding site sequences. The results conclusively show that transcription from the R. leguminosarum glnII promoter is fully dependent on positive control by NtrC protein and on an upstream activator sequence (UAS).
    Type of Medium: Electronic Resource
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