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  • 1
    ISSN: 1432-2277
    Schlagwort(e): Key words HLA class I matching ; Cadaveric renal transplant ; Crossreactive antigens (CREG) ; Flow cytometric crossmatch (FCXM) ; Anti-HLA alloantibodies
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Donor-recipient HLA matching was retrospectively evaluated in 111 cadaveric renal transplants using Takemoto's ten-residue model in which HLA class I antigens are clustered by crossreactive group (CREGs) on the basis of amino acid sequence homology and the sharing of a particular public epitope. The grade and type of HLA residue mismatching were correlated to posttransplant, class I donor-specific antibody production (monitored by flow cytometry crossmatch), rejection occurrence and clinical outcome during the 1st year posttransplant. In 52 patients with 0 mismatchings (MMs) we observed a low incidence of rejection (11.1 %) and antibody production (11.1 %) for 0 CREG MM grade, while 1 MM was enough to increase immune response against graft (rejection 35 %; antibodies 30 %). Moreover, a significant correlation was observed between Q144, E163, Q62 and L82/R82 epitopes and the incidence of acute rejection and antibody production (“immunogenic” residues) in patients grouped for a single residue mismatch.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    ISSN: 1590-3478
    Schlagwort(e): Multiple sclerosis ; T8+cells ; T-cells analysis ; T-cells during clinical phase of MS ; T-lymphocyte subsets ; monoclonal antibodies ; T-cell subsets ; T8+lymphocytes ; blood T-lymphocytes ; lymphocyte subsets
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Beschreibung / Inhaltsverzeichnis: Sommario Una analisi seriale delle sottopopolazioni T-linfocitarie del sangue periferico è stata eseguita in 280 campioni prelevati in un periodo di 27 mesi da 14 pazienti affetti da Sclerosi Multipla. Una riduzione significativa delle cellule T8+ è stata trovata nel 47,1% (41/87) dei campioni ematici prelevati durante le quattro settimane dopo l'insorgenza della recidiva rispetto al 2,1% (1/47) dei campioni prelevati durante le quattro settimane prima di una recidiva e rispetto al 3,4% (5/146) di quelli prelevati oltre quattro settimane dopo una recidiva. Le variazioni delle sottopopolazioni delle cellule T sembrano correlarsi con l'attività della malattia, ma i valori normali osservati prima delle recidive suggeriscono che la riduzione delle cellule T8+ non può essere usata come un valido predittore delle recidive.
    Notizen: Abstract Serial analyses of peripheral blood T-lymphocyte subsets were performed in 280 samples collected over a 27 months period from 14 multiple sclerosis patients. A significant decrease of T8+ cells was found in 47.1% (47/87) of blood samples collected within four weeks of onset of a relapse opposed to 2.1% (1/47) of samples collected during the four weeks before a relapse and to 3.4% (5/146) of those collected over four weeks after a relapse. Changes of T-cells subsets appear to correlate with disease activity, but normal findings observed before relapses suggest that the decrease of T8+ cells cannot be used as valid predictor of relapse.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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