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@ARTICLE{Karsak:140970,
author = {Karsak, Meliha and Glebov, Konstantin and Scheffold, Marina
and Bajaj, Thomas and Kawalia, Amit and Karaca, Ilker and
Rading, Sebastian and Kornhuber, Johannes and Peters, Oliver
and Diez-Fairen, Monica and Frölich, Lutz and Hüll,
Michael and Wiltfang, Jens and Scherer, Martin and
Riedel-Heller, Steffi and Schneider, Anja and Heneka,
Michael T and Fliessbach, Klaus and Sharaf, Ahmed and
Thiele, Holger and Lennarz, Martina and Jessen, Frank and
Maier, Wolfgang and Kubisch, Christian and Ignatova, Zoya
and Nürnberg, Peter and Pastor, Pau and Walter, Jochen and
Ramirez, Alfredo},
title = {{A} rare heterozygous {TREM}2 coding variant identified in
familial clustering of dementia affects an intrinsically
disordered protein region and function of {TREM}2.},
journal = {Human mutation},
volume = {41},
number = {1},
issn = {1059-7794},
address = {New York, NY [u.a.]},
publisher = {Wiley-Liss},
reportid = {DZNE-2020-07292},
pages = {169-181},
year = {2020},
abstract = {Rare coding variants in the triggering receptor expressed
on myeloid cells-2 (TREM2) gene have been associated with
Alzheimer disease (AD) and homozygous TREM2 loss-of-function
variants have been reported in families with monogenic
frontotemporal-like dementia with/without bone
abnormalities. In a whole-exome sequencing study of a family
with probable AD-type dementia without pathogenic variants
in known autosomal dominant dementia disease genes and
negative for the apolipoprotein E (APOE) ε4 allele, we
identified an extremely rare TREM2 coding variant, that is,
a glycine-to-tryptophan substitution at amino acid position
145 $(NM_018965.3:c.433G>T/p.[Gly145Trp]).$ This alteration
is found in only 1 of 251,150 control alleles in gnomAD. It
was present in both severely affected as well as in another
putatively affected and one 61 years old as yet unaffected
family member suggesting incomplete penetrance and/or a
variable age of onset. Gly145 maps to an intrinsically
disordered region (IDR) of TREM2 between the
immunoglobulin-like and transmembrane domain. Subsequent
cellular studies showed that the variant led to IDR
shortening and structural changes of the mutant protein
resulting in an impairment of cellular responses upon
receptor activation. Our results, suggest that a
p.(Gly145Trp)-induced structural disturbance and functional
impairment of TREM2 may contribute to the pathogenesis of an
AD-like form of dementia.},
keywords = {Aged / Alleles / Animals / Cell Line / Dementia: diagnosis
/ Dementia: genetics / Female / Genetic Association Studies
/ Genetic Predisposition to Disease / Genetic Variation /
Heterozygote / Humans / Intrinsically Disordered Proteins:
genetics / Membrane Glycoproteins: genetics / Membrane
Glycoproteins: metabolism / Middle Aged / Open Reading
Frames: genetics / Pedigree / Phenotype / Protein Transport
/ Receptors, Immunologic: genetics / Receptors, Immunologic:
metabolism / Signal Transduction / Exome Sequencing},
cin = {AG Wiltfang / Clinical Dementia Research Bonn / AG Heneka ;
AG Heneka / AG Jessen / U Clinical Researchers - Bonn},
ddc = {610},
cid = {I:(DE-2719)1410006 / I:(DE-2719)1011305 /
I:(DE-2719)1011303 / I:(DE-2719)1011102 /
I:(DE-2719)7000001},
pnm = {342 - Disease Mechanisms and Model Systems (POF3-342) / 344
- Clinical and Health Care Research (POF3-344)},
pid = {G:(DE-HGF)POF3-342 / G:(DE-HGF)POF3-344},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31464095},
doi = {10.1002/humu.23904},
url = {https://pub.dzne.de/record/140970},
}