Generation of monocyte-derived dendritic cells in patients with hereditary hemochromatosis

Hereditary hemochromatosis (HH) is a common genetic disease with autosomal recessive transmission and is characterized by a dysregulation of iron metabolism, leading to serum iron overload and its progressive accumulation in most body tissues. The effects of HH on the immune system include altered l...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 105(2002), 1 vom: 30. Okt., Seite 93-103
1. Verfasser: Phothirath, Phoukham (VerfasserIn)
Weitere Verfasser: Duperrier, Karine, Bernaud, Janine, Durieu, Daniel, Picollet, Josiane, Bienvenu, Jacques, Rigal, Dominique
Format: Aufsatz
Sprache:English
Veröffentlicht: 2002
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article CD28 Antigens Cytokines
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245 1 0 |a Generation of monocyte-derived dendritic cells in patients with hereditary hemochromatosis 
264 1 |c 2002 
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520 |a Hereditary hemochromatosis (HH) is a common genetic disease with autosomal recessive transmission and is characterized by a dysregulation of iron metabolism, leading to serum iron overload and its progressive accumulation in most body tissues. The effects of HH on the immune system include altered lymphocytosis and functions of monocytes. Moreover, monocytes can differentiate into dendritic cells (DCs), which play crucial roles in the immune response (capture, processing, and presentation of antigen to effector T cells) and this process was shown to be impaired in several pathologies. The aim of this study was to determine whether the monocytes from HH patients still displayed the ability to differentiate into DCs. To that purpose, purified monocytes from healthy donors and HH patients were cultured in the appropriate medium. The results showed no phenotypic and functional differences, at both the immature and the mature stages. Furthermore, our work reports altered lymphocytosis with expanded CD8+CD28- T cell subset. These monocyte-derived DCs could therefore be a solid vector for DC-based immunotherapy and a powerful tool for investigating the immune regulatory loops and especially the biological relevance of the expanded CD8+CD28- T cells since this population has also been described as suppressor T cells 
650 4 |a Journal Article 
650 7 |a CD28 Antigens  |2 NLM 
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700 1 |a Duperrier, Karine  |e verfasserin  |4 aut 
700 1 |a Bernaud, Janine  |e verfasserin  |4 aut 
700 1 |a Durieu, Daniel  |e verfasserin  |4 aut 
700 1 |a Picollet, Josiane  |e verfasserin  |4 aut 
700 1 |a Bienvenu, Jacques  |e verfasserin  |4 aut 
700 1 |a Rigal, Dominique  |e verfasserin  |4 aut 
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