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Tytuł oryginału: Immune reconstitution after haematopoietic cell transplantation in children: immunophenotype analysis with regard to factors affecting the speed of recovery.
Autorzy: Kalwak Krzysztof, Gorczyńska Ewa, Toporski Jacek, Turkiewicz Dominik, Słociak Małgorzata, Ussowicz Marek, Latos-Grażyńska Elżbieta, Król Marzena, Bogusławska-Jaworska Janina, Chybicka Alicja
Źródło: Br. J. Haematol. 2002: 118 (1) s.74-89, il., tab., bibliogr. s. 87-89
Sygnatura GBL: 303,964

Hasła klasyfikacyjne GBL:
  • pediatria
  • immunologia
  • transplantologia
  • hematologia

    Typ dokumentu:
  • tytuł obcojęzyczny
  • praca opublikowana za granicą
  • praca kliniczna

    Wskaźnik treści:
  • ludzie
  • dzieci 2-5 r.ż.
  • dzieci 6-12 r.ż.
  • dzieci 13-18 r.ż.
  • płeć męska
  • płeć żeńska

    Streszczenie angielskie: Immune reconstitution was studied prospectively in 66 children who underwent 77 haematopoietic cell transplantations (HCT): 46 autologous HCTs in 39 patients and 31 allogeneic HCTs in 27 patients. We studied the dynamic analysis of immune recovery with regard to potential factors affecting its speed, including age, type of HCT, diagnosis, graft-versus-host disease (GvHD) and cytomegalovirus (CMV) infection reactivation. Absolute counts of different lymphocyte subsets and immunoglobulin serum levels were determined in peripheral blood of patients on d -7 and +16, and then at various intervals up to 24 months post transplant. Common patterns of immune recovery after both allogeneic and autologous HCT were identified: (I) CD4+CD45RO+ peripheral T-cell expansion on d +16; (II) inverted CD4+:CD8+ ratio from D+30 onwards; (III) rapid natural killer (NK) cell (CD16 ń CD56+) count normalization. We observed prolonged T-cell lymphopenia (CD3+, CD3+CD4+, CD4+CD45RA+) until 24 months after autologous HCT, whereas in the allogeneic setting CD3+CD4+ cells, including naive CD45RA+ cells, returned to normal values at 9 months post transplant. Age 10 years and coexistence of GvHD and CMV reactivation were associated with a substantial delay in T- (CD4+, including CD45RA+) and B-cell recovery after allogeneic HCT. Multidrug GvHD prophylaxis resulted in impaired T-(CD4+, CD4+CD45RA+) and B-cell reconstitution only in the early phase after allogeneic HCT (up to 4 months). Our results demonstrated that T-cell recovery was severely impaired in children after autologous HCT...

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