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@ARTICLE{Heger:278395,
author = {L. Heger and L. Hatscher and C. Liang and C. H. K. Lehmann
and L. Amon and J. J. Lühr and T. Kaszubowski and R.
Nzirorera and N. Schaft and J. Dörrie and P. Irrgang and M.
Tenbusch and M. Kunz and E. Socher and S. E. Autenrieth$^*$
and A. Purbojo and H. Sirbu and A. Hartmann and C. Alexiou
and R. Cesnjevar and D. Dudziak},
title = {{XCR}1 expression distinguishes human conventional
dendritic cell type 1 with full effector functions from
their immediate precursors.},
journal = {Proceedings of the National Academy of Sciences of the
United States of America},
volume = {120},
number = {33},
issn = {0027-8424},
address = {Washington, DC},
publisher = {National Acad. of Sciences},
reportid = {DKFZ-2023-01629},
pages = {e2300343120},
year = {2023},
abstract = {Dendritic cells (DCs) are major regulators of innate and
adaptive immune responses. DCs can be classified into
plasmacytoid DCs and conventional DCs (cDCs) type 1 and 2.
Murine and human cDC1 share the mRNA expression of XCR1.
Murine studies indicated a specific role of the XCR1-XCL1
axis in the induction of immune responses. Here, we describe
that human cDC1 can be distinguished into XCR1- and XCR1+
cDC1 in lymphoid as well as nonlymphoid tissues.
Steady-state XCR1+ cDC1 display a preactivated phenotype
compared to XCR1- cDC1. Upon stimulation, XCR1+ cDC1, but
not XCR1- cDC1, secreted high levels of inflammatory
cytokines as well as chemokines. This was associated with
enhanced activation of NK cells mediated by XCR1+ cDC1.
Moreover, XCR1+ cDC1 excelled in inhibiting replication of
Influenza A virus. Further, under DC differentiation
conditions, XCR1- cDC1 developed into XCR1+ cDC1. After
acquisition of XCR1 expression, XCR1- cDC1 secreted
comparable level of inflammatory cytokines. Thus, XCR1 is a
marker of terminally differentiated cDC1 that licenses the
antiviral effector functions of human cDC1, while XCR1- cDC1
seem to represent a late immediate precursor of cDC1.},
keywords = {DC differentiation (Other) / IL-12 (Other) / XCR1 (Other) /
antiviral immunity (Other) / cDC1 (Other)},
cin = {F171},
ddc = {500},
cid = {I:(DE-He78)F171-20160331},
pnm = {316 - Infektionen, Entzündung und Krebs (POF4-316)},
pid = {G:(DE-HGF)POF4-316},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:37566635},
doi = {10.1073/pnas.2300343120},
url = {https://inrepo02.dkfz.de/record/278395},
}