Az immunrendszer regenerációja csontvelö-átültetés után.

Translated title of the contribution: Regeneration of the immune system after bone marrow transplantation

F. Uher, E. Puskás, E. Torbágyi, A. Barta, L. Kormos, K. Pálóczi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

After haematopoietic stem cell transplantation, reconstitution of bone marrow consists of two distinct phenomena, numerical recovery of bone marrow cellular elements on the one hand and functional recovery of cellular interactions on the other. Immune reactivity during the first month postgrafting is extremely low. Cytotoxic and phagocytic functions usually recover by day 100, while more specialized and cooperative functions of T and B cells remain impaired up to one year or more postgrafting. Regeneration of total CD4+ T cell number in adult (and especially in elderly) transplant recipients is severely limited and occurs largely by peripheral expansion of mature CD4+ T cells. While restoration of total CD8+ T cell number is commonly seen in adults, potentially important alterations in the subset composition of CD8+ populations remain. Contracted T cell repertoires for CD4+ and CD8+ T cells are consistently found in adults after T cell regeneration. This suggests that thymic function is frequently limiting in adults and that thymic-independent pathways are insufficient for restoring host immunocompetence. Although there are similarities in immune reconstitution after alllo- and autologous haematopoietic stem cell transplantations, allogeneic transplantation involves graft versus host disease and the use of immunosuppressive therapy to control it, both of which further interfere in the early developmental stages of immune reconstitution.

Original languageHungarian
Pages (from-to)59-65
Number of pages7
JournalOrvosi Hetilap
Volume142
Issue number2
Publication statusPublished - Jan 14 2001

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Bone Marrow Transplantation
Regeneration
Immune System
T-Lymphocytes
Hematopoietic Stem Cell Transplantation
Cell Count
Bone Marrow
Immunocompetence
Homologous Transplantation
Graft vs Host Disease
Immunosuppressive Agents
B-Lymphocytes
Population

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Uher, F., Puskás, E., Torbágyi, E., Barta, A., Kormos, L., & Pálóczi, K. (2001). Az immunrendszer regenerációja csontvelö-átültetés után. Orvosi Hetilap, 142(2), 59-65.

Az immunrendszer regenerációja csontvelö-átültetés után. / Uher, F.; Puskás, E.; Torbágyi, E.; Barta, A.; Kormos, L.; Pálóczi, K.

In: Orvosi Hetilap, Vol. 142, No. 2, 14.01.2001, p. 59-65.

Research output: Contribution to journalArticle

Uher, F, Puskás, E, Torbágyi, E, Barta, A, Kormos, L & Pálóczi, K 2001, 'Az immunrendszer regenerációja csontvelö-átültetés után.', Orvosi Hetilap, vol. 142, no. 2, pp. 59-65.
Uher F, Puskás E, Torbágyi E, Barta A, Kormos L, Pálóczi K. Az immunrendszer regenerációja csontvelö-átültetés után. Orvosi Hetilap. 2001 Jan 14;142(2):59-65.
Uher, F. ; Puskás, E. ; Torbágyi, E. ; Barta, A. ; Kormos, L. ; Pálóczi, K. / Az immunrendszer regenerációja csontvelö-átültetés után. In: Orvosi Hetilap. 2001 ; Vol. 142, No. 2. pp. 59-65.
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