Document Detail

Early IL-10 production is essential for syngeneic graft acceptance.
MedLine Citation:
PMID:  22416256     Owner:  NLM     Status:  Publisher    
We performed a comparative study and evaluated cellular infiltrates and anti-inflammatory cytokine production at different time-points after syngeneic or allogeneic skin transplantation. We observed an early IL-10 production in syngeneic grafts compared with allografts. This observation prompted us to investigate the role of IL-10 in isograft acceptance. For this, we used IL-10 KO and WT mice to perform syngeneic transplantation, where IL-10 was absent in the graft or in the recipient. The majority of syngeneic grafts derived from IL-10 KO donors did not engraft or was only partially accepted, whereas IL-10 KO mice transplanted with skin from WT donors accepted the graft. We evaluated IL-10 producers in the transplanted skin and observed that epithelial cells were the major source. Taken together, our data show that production of IL-10 by donor cells, but not by the recipient, is determinant for graft acceptance and strongly suggest that production of this cytokine by keratinocytes immediately upon transplantation is necessary for isograft survival.
Tatiana Takiishi; Carlos Eduardo Tadokoro; Luiz Vicente Rizzo; Luciana Vieira de Moraes
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-13
Journal Detail:
Title:  Journal of leukocyte biology     Volume:  -     ISSN:  1938-3673     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405628     Medline TA:  J Leukoc Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
*Laboratory of Clinical Immunology, Department of Immunology, Instituto de Ciências Biomédicas, University of São Paulo, São Paulo, Brazil;
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