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  • 1980-1984  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 10 (1983), S. 0 
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 1. The effect of changing sodium intake for 2 weeks was studied. Twelve nor-motensive subjects and five patients with mild essential hypertension were given two different levels of sodium intake for 2 weeks.2. Overall there was no significant rise in blood pressure but all patients with hypertension had a rise in blood pressure as they went from a low to a high sodium intake.3. Plasma sodium was not altered but red cell sodium concentration was higher on the high sodium intake. This effect was observed in both normotensive and hypertensive people.4. Alterations observed in cell sodium concentration provide support for the hypothesis that increased dietary intake of sodium may induce hypertension by causing changes in cellular transport systems.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5028
    Keywords: chloroplast genome ; leader region ; rDNA ; Sinapis alba ; Zea mays ; tRNAVal gene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The genes coding for rRNAs from mustard chloroplasts were mapped within the inverted repeat regions of intact ctDNA and on ctDNA fragments cloned in pBR322. R-loop analysis and restriction endonuclease mapping show that the genes for 16S rRNA map at distances of 17 kb from the junctions of the repeat regions with the large unique region. The genes for 23S rRNA are located at distances of 2.8 kb from the junctions with the small unique region. Genes for 4.5S and 5S rRNA are located in close proximity to the 23S rRNA genes towards the small unique region. DNA sequencing of portions of the 5′ terminal third from the mustard 16S rRNA gene shows 96–99% homology with the corresponding regions of the maize, tobacco and spinach chloroplast genes. Sequencing of the region proximal to the 16S rRNA gene reveals the presence of a tRNAVal gene in nearly the same position and with identical sequence as in maize, tobacco and spinach. Somewhat less but still strong homology is also observed for the tDNA Val/16S rDNA intercistronic regions and for the regions upstream of the tRNAVal gene. However, due to many small and also a few larger deletions and insertions in the leader region, common reading frames coding for homologous peptides larger than 44 amino acids can not be detected; it is therefore unlikely that this region contains a protein coding gene.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1439-0973
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Der nephrotoxische Effekt einer täglichen Gentamicin-Behandlung auf Ratten mit einer Dosis von 40 oder 45 mg/kg/Tag ließ sich durch die Gabe von Cefuroxim, 4 g/kg/Tag, zehn Tage lang, erheblich reduzieren, wenn die Substanz gleichzeitig mit Gentamicin oder acht Stunden später verabreicht wurde. Cefuroxim wirkte protektiv, wenn es nur an zwei aufeinanderfolgenden Tagen vom ersten bis dritten Tag nach Beginn der Gentamicin-Behandlung an gegeben wurde. Doch es erhöhte die Nephrotoxizität von Gentamicin, wenn mit der Anwendung am sechsten oder folgenden Tag begonnen wurde.
    Notes: Summary The nephrotoxic effect on rats of once daily treatment with 40 or 45 mg gentamicin/kg/day for ten days was substantially reduced by administration of 4 g cefuroxime/kg/day, either at the same time or eight hours later. This dosage of cefuroxime was protective when given for only two consecutive days starting on the first to third days of gentamicin treatment, but enhanced gentamicin nephrotoxicity when started on the sixth or subsequent days.
    Type of Medium: Electronic Resource
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