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@ARTICLE{Busch:125593,
author = {R. Busch and K. Murti and J. Liu and A. K. Patra and K.
Muhammad and K.-P. Knobeloch and M. Lichtinger and C.
Bonifer and S. Wörtge and A. Waisman and K. Reifenberg$^*$
and V. Ellenrieder and E. Serfling and A. Avots},
title = {{NFAT}c1 releases {BCL}6-dependent repression of {CCR}2
agonist expression in peritoneal macrophages from
{S}accharomyces cerevisiae infected mice.},
journal = {European journal of immunology},
volume = {46},
number = {3},
issn = {0014-2980},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {DKFZ-2017-01719},
pages = {634 - 646},
year = {2016},
abstract = {The link between the extensive usage of calcineurin (CN)
inhibitors cyclosporin A and tacrolimus (FK506) in
transplantation medicine and the increasing rate of
opportunistic infections within this segment of patients is
alarming. Currently, how peritoneal infections are favored
by these drugs, which impair the activity of several
signaling pathways including the Ca(++) /CN/NFAT, Ca(++)
/CN/cofilin, Ca(++) /CN/BAD, and NF-κB networks, is
unknown. Here, we show that Saccharomyces cerevisiae
infection of peritoneal resident macrophages triggers the
transient nuclear translocation of NFATc1β isoforms,
resulting in a coordinated, CN-dependent induction of the
Ccl2, Ccl7, and Ccl12 genes, all encoding CCR2 agonists. CN
inhibitors block the CCR2-dependent recruitment of
inflammatory monocytes (IM) to the peritoneal cavities of S.
cerevisiae infected mice. In myeloid cells, NFATc1/β
proteins represent the most prominent NFATc1 isoforms.
NFATc1/β ablation leads to a decrease of CCR2 chemokines,
impaired mobilization of IMs, and delayed clearance of
infection. We show that, upon binding to a composite
NFAT/BCL6 regulatory element within the Ccl2 promoter,
NFATc1/β proteins release the BCL6-dependent repression of
Ccl2 gene in macrophages. These findings suggest a novel
CN-dependent cross-talk between NFAT and BCL6 transcription
factors, which may affect the outcome of opportunistic
fungal infections in immunocompromised patients.},
keywords = {Calcineurin Inhibitors (NLM Chemicals) / Ccl12 protein,
mouse (NLM Chemicals) / Ccl2 protein, mouse (NLM Chemicals)
/ Ccl7 protein, mouse (NLM Chemicals) / Ccr2 protein, mouse
(NLM Chemicals) / Chemokine CCL2 (NLM Chemicals) / Chemokine
CCL7 (NLM Chemicals) / Monocyte Chemoattractant Proteins
(NLM Chemicals) / NF-kappa B (NLM Chemicals) / NFATC
Transcription Factors (NLM Chemicals) / Nfatc1 protein,
mouse (NLM Chemicals) / Protein Isoforms (NLM Chemicals) /
Proto-Oncogene Proteins c-bcl-6 (NLM Chemicals) / Receptors,
CCR2 (NLM Chemicals) / Calcineurin (NLM Chemicals)},
cin = {W410},
ddc = {610},
cid = {I:(DE-He78)W410-20160331},
pnm = {314 - Tumor immunology (POF3-314)},
pid = {G:(DE-HGF)POF3-314},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:26631626},
doi = {10.1002/eji.201545925},
url = {https://inrepo02.dkfz.de/record/125593},
}