Role of myeloid-derived suppressor cells in mouse pre-sensitized cardiac transplant model

Copyright © 2014 Elsevier Inc. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 153(2014), 1 vom: 28. Juli, Seite 8-16
1. Verfasser: Gong, Weihua (VerfasserIn)
Weitere Verfasser: Ge, Fangmin, Liu, Dahai, Wu, Yan, Liu, Fangbing, Kim, Beom Seok, Huang, Tao, Koulmanda, Maria, Robson, Simon C, Strom, Terry B
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Myeloid-derived suppressor cells Prolonged cold ischemia time Regulatory T cells Sensitization CD11b Antigen Gr-1 protein, mouse Receptors, Chemokine
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520 |a Harness of sensitized transplantation remains a clinical challenge particularly in parallel with prolonged cold ischemia time (PCI)-mediated injury. Our present study was to test the role of myeloid-derived suppressor cells (MDSCs) in mouse pre-sensitized transplantation. Our findings revealed that CD11b+Gr1(low) MDSC was shown to have strong suppressive activity. MDSCs subsets from the tolerated mice exhibited higher suppressive capacities compared with counterparts from naive (untreated) mice. Depletion of Tregs could not affect splenic CD11b+Gr1(-low) MDSC frequency, but increase peripheral and intragraft CD11b+Gr1(-low) frequency. Intriguingly, boost of Tregs remarkably caused an increase of CD11b+Gr1(-low) frequency in the graft, peripheral blood, and spleen. Furthermore, peripheral CD11b+Gr1(-low) cells were massively accumulated at the early stage when allogeneic immune response was enhanced. Taken together, MDSCs could prevent grafts from PCI-mediated injury independent on Tregs in the pre-sensitized transplant recipients. Utilization of MDSC subset particularly CD11b+Gr1(-low) might provide a novel insight into improving graft outcome under such clinical scenarios 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Myeloid-derived suppressor cells 
650 4 |a Prolonged cold ischemia time 
650 4 |a Regulatory T cells 
650 4 |a Sensitization 
650 7 |a CD11b Antigen  |2 NLM 
650 7 |a Gr-1 protein, mouse  |2 NLM 
650 7 |a Receptors, Chemokine  |2 NLM 
700 1 |a Ge, Fangmin  |e verfasserin  |4 aut 
700 1 |a Liu, Dahai  |e verfasserin  |4 aut 
700 1 |a Wu, Yan  |e verfasserin  |4 aut 
700 1 |a Liu, Fangbing  |e verfasserin  |4 aut 
700 1 |a Kim, Beom Seok  |e verfasserin  |4 aut 
700 1 |a Huang, Tao  |e verfasserin  |4 aut 
700 1 |a Koulmanda, Maria  |e verfasserin  |4 aut 
700 1 |a Robson, Simon C  |e verfasserin  |4 aut 
700 1 |a Strom, Terry B  |e verfasserin  |4 aut 
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