Abstract:
:Distinct human dendritic cell (DC) subsets differentially control immunity. Thus, insights into their in vivo functions are important to understand the launching and modulation of immune responses. We show that nonobese diabetic/LtSz-scid/scid (NOD/SCID) mice engrafted with human CD34+ hematopoietic progenitors develop human myeloid and plasmacytoid DCs. The skin displays immature DCs expressing Langerin, while other tissues display interstitial DCs. Myeloid DCs from these mice induce proliferation of allogeneic CD4 T cells in vitro, and bone marrow human cells containing plasmacytoid DCs release interferon-alpha (IFN-alpha) upon influenza virus exposure. Injection of influenza virus into reconstituted mice triggers IFN-alpha release and maturation of mDCs. Thus, these mice may provide a model to study the pathophysiology of human DC subsets.
journal_name
Bloodjournal_title
Bloodauthors
Palucka AK,Gatlin J,Blanck JP,Melkus MW,Clayton S,Ueno H,Kraus ET,Cravens P,Bennett L,Padgett-Thomas A,Marches F,Islas-Ohlmayer M,Garcia JV,Banchereau Jdoi
10.1182/blood-2003-02-0384subject
Has Abstractpub_date
2003-11-01 00:00:00pages
3302-10issue
9eissn
0006-4971issn
1528-0020pii
2003-02-0384journal_volume
102pub_type
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