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@ARTICLE{Cheng:125631,
author = {F. Cheng and L. Twardowski and K. Reifenberg$^*$ and K.
Winter and A. Canisius and E. Pross and J. Fan and E.
Schmitt and L. D. Shultz and K. J. Lackner and M. Torzewski},
title = {{C}ombined {B}, {T} and {NK} {C}ell {D}eficiency
{A}ccelerates {A}therosclerosis in {BALB}/c {M}ice.},
journal = {PLoS one},
volume = {11},
number = {8},
issn = {1932-6203},
address = {Lawrence, Kan.},
publisher = {PLoS},
reportid = {DKFZ-2017-01757},
pages = {e0157311 -},
year = {2016},
abstract = {This study focused on the unique properties of both the
Ldlr knockout defect (closely mimicking the human situation)
and the BALB/c (C) inbred mouse strain (Th-2 slanted immune
response). We generated two immunodeficient strains with
severe combined B- and T-cell immunodeficiency with or
without a complete lack of natural killer cells to revisit
the role of adaptive immune responses on atherogenesis.
C-Ldlr-/- Rag1-/- mice, which show severe combined B- and
T-cell immunodeficiency and C-Ldlr-/- Rag1-/- Il2rg-/- mice,
which combine the T- and B-cell defect with a complete lack
of natural killer cells and inactivation of multiple
cytokine signalling pathways were fed an atherogenic Western
type diet (WTD). Both B6-Ldlr-/- and C-Ldlr-/-
immunocompetent mice were used as controls. Body weights and
serum cholesterol levels of both immunodeficient strains
were significantly increased compared to C-Ldlr-/- controls,
except for cholesterol levels of C-Ldlr-/- Rag1-/- double
mutants after 12 weeks on the WTD. Quantification of the
aortic sinus plaque area revealed that both strains of
immunodeficient mice developed significantly more
atherosclerosis compared to C-Ldlr-/- controls after 24
weeks on the WTD. Increased atherosclerotic lesion
development in C-Ldlr-/- Rag1-/- Il2rg-/- triple mutants was
associated with significantly increased numbers of
macrophages and significantly decreased numbers of smooth
muscle cells compared to both C-Ldlr-/- wild type and
C-Ldlr-/- Rag1-/- double mutants pointing to a plaque
destabilizing effect of NK cell loss. Collectively, the
present study reveals a previously unappreciated complexity
with regard to the impact of lymphocytes on lipoprotein
metabolism and the role of lymphocyte subsets in plaque
composition.},
keywords = {Lipoproteins (NLM Chemicals) / Receptors, LDL (NLM
Chemicals) / Triglycerides (NLM Chemicals) / Cholesterol
(NLM Chemicals)},
cin = {W410},
ddc = {500},
cid = {I:(DE-He78)W410-20160331},
pnm = {311 - Signalling pathways, cell and tumor biology
(POF3-311)},
pid = {G:(DE-HGF)POF3-311},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:27564380},
pmc = {pmc:PMC5001715},
doi = {10.1371/journal.pone.0157311},
url = {https://inrepo02.dkfz.de/record/125631},
}