Oral chronic graft-versus-host disease: analysis of dendritic cells subpopulations
An. bras. dermatol
;
89(4): 632-637, Jul-Aug/2014. tab, graf
Article
Dans Anglais
| LILACS
| ID: lil-715521
ABSTRACT
The graft-versus-host disease is the major cause of morbidity and mortality in patients who have undergone hematopoietic stem cell transplantation. Aiming at contributing to the understanding of the role of myeloid and plasmacytoid dendritic cells, and natural killer cells in chronic graft-versus-host disease, we examined biopsies of jugal mucosa of 26 patients with acute myeloid leukemia who had undergone allogenic hematopoietic stem cell transplantation. Half of these patients developed oral chronic graft-versus-host disease. Microscopic sections were immunohistochemically stained for anti-CD1a, anti-CD123 and anti-CD56. We calculated the number of immunostained cells in the corium per square millimeter and applied the Mann-Whitney test. Results showed a statistically significant increase of myeloid dendritic cells (CD1a+; p=0,02) and natural killer cells (CD56; p=0,04) in patients with oral chronic graft-versus-host disease. CD123 immunostaining showed no statistical difference between groups. It was concluded that myeloid dendritic cells and natural killer cells participate in the development of oral chronic graft-versus-host disease.
Texte intégral:
Disponible
Indice:
LILAS (Amériques)
Sujet Principal:
Cellules dendritiques
/
Cellules tueuses naturelles
/
Transplantation de cellules souches hématopoïétiques
/
Maladie du greffon contre l'hôte
/
Muqueuse de la bouche
Limites du sujet:
Femelle
/
Humains
/
Mâle
langue:
Anglais
Texte intégral:
An. bras. dermatol
Thème du journal:
Dermatologie
Année:
2014
Type:
Article
Pays d'affiliation:
Brésil
Institution/Pays d'affiliation:
Hospital Fundação Amaral Carvalho/BR
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