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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 91 (1969), S. 1566-1567 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Biochemistry 9 (1970), S. 259-267 
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of organic chemistry 23 (1958), S. 204-205 
    ISSN: 1520-6904
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Analytical chemistry 30 (1958), S. 2041-2044 
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1573-2568
    Keywords: rebamipide ; ulcerative colitis ; leukocytes ; inflammatory bowel disease ; neutrophil activation ; oxygen radicals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study was conducted to investigate the efficacy of rebamipide against experimental colitis induced by dextran sulfate sodium (DSS) in a rat model of inflammatory bowel disease. Experimental colitis was induced in male Wistar rats by oral administration of 3% DSS solution for one week. The rats were provided with standard diet containing 0.105% rebamipide (160 mg/kg/day) for 1 week. In rats treated with rebamipide, clinical (body weight loss, bloody diarrhea, reduced physical activity, severe anemia, shortened colonic length, and perianal injury) and histopathological (pathological lesion score) findings of DSS colitis were significantly less than in rats with DSS colitis not treated with rebamipide. Rebamipide thus inhibited the induction of colitis. Rebamipide significantly reduced concentrations of both interleukin-1α and GRO/CINC-1 (IL-8-like substance) and cell infiltrates in colonic wall, in parallel with decreased activity of myeloperoxidase. It also reduced expression of IL-1 mRNA but did not influence expression of GRO/CINC-1 mRNA. The attenuation of colonic indices of colitis by rebamipide in this rat model suggests that this drug might have beneficial effects in the treatment of human ulcerative colitis. These effects of rebamipide are attributable to its inhibition of inflammatory cytokine-mediated granulocyte (neutrophil) infiltration into the colon.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 175 (1974), S. 2837-2847 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Ein λ-Typ Bence Jones Protein wurde durch Carbamylieren der ε-Aminogruppen seiner Lysinseitenketten und durch Nitrieren und Reduktion seiner Tyrosingruppen chemisch modifiziert. Alle 30 ε-Aminogruppen konnten carbamyliert werden, aber nur 6 von den 14 Tyrosingruppen wurden nitriert. Die Bruttokonformation (Form) der Makromoleküle wurde durch diese Reaktionen nicht beeinflußt, was durch Messungen des Staudinger-Index und des Sedimentationskoeffizienten gezeigt wurde. Auch die Immunreaktion wurde durch die chemische Modifizierung nicht beeinflußt. Die Zirkulardichroismus (CD)-Spektren dagegen zeigten kleine bis mäßige änderungen der Konformation im Innern der Makromoleküle. Das Erscheinen einer positiven CD Bande bei 240 nm nach Nitrierung wurde durch 3-Nitrotyrosingruppen hervorgerufen, während die neue Bande bei 300 nm wahrscheinlich durch eine änderung der Vicinaleffekte an Tryptophanchromophoren verursacht wurde.
    Notes: A λ-type Bence Jones protein was chemically modified by carbamaylation of the ε-amino groups of its lysine side chains and by nitration and reduction of its tyrosine residues. All 30 ε-amino groups were carbamylated, but only 6 of the 14 tyrosine side chains were nitrated. The gross conformation of the macromolecules (shape) was not altered in these reactions, as tested by intrinsic viscosity and sedimentation coefficient determinations. Also, the immunoprecipitability was not affected by the chemical modification. However, circular dichroism (CD) spectra revealed slight to moderate changes in the conformational details within the macromolecules. The appearance of a positive CD band at 240 nm on nitration was caused by 3-nitrotyrosine residues, whereas the new band at 300 nm was probably due to change of asymmetric environment of tryptophan chromophores.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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