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@ARTICLE{Stalke:1008582,
author = {Stalke, Amelie and Behrendt, Annika and Hennig, Finja and
Gohlke, Holger and Buhl, Nicole and Reinkens, Thea and
Baumann, Ulrich and Schlegelberger, Brigitte and Illig,
Thomas and Pfister, Eva-Doreen and Skawran, Britta},
title = {{F}unctional characterization of novel or yet
uncharacterized {ATP}7{B} missense variants detected in
patients with clinical {W}ilson's disease},
journal = {Clinical genetics},
volume = {104},
number = {2},
issn = {0009-9163},
address = {Malden, Mass.},
publisher = {Wiley},
reportid = {FZJ-2023-02415},
pages = {174-185},
year = {2023},
abstract = {Wilson's disease (WD, MIM#277900) is an autosomal recessive
disorder resulting in copper excess caused by biallelic
variants in the ATP7B gene (MIM#606882) encoding a copper
transporting P-type ATPase. ATP7B variants of unknown
significance (VUS) are detected frequently, sometimes
impeding a clear diagnosis. Functional analyses can help to
classify these variants as benign or pathogenic.
Additionally, variants already classified as (likely)
pathogenic benefit from functional analyses to understand
their pathomechanism, thus contribute to the development of
personalized treatment approaches in the future. We
described clinical features of six WD patients and
functionally characterized five ATP7B missense variants (two
VUS, three yet uncharacterized likely pathogenic variants),
detected in these patients. We determined the protein level,
copper export capacity, and cellular localization in an in
vitro model and potential structural consequences using an
ATP7B protein model based on AlphaFold. Our analyses give
insight into the pathomechanism and allowed reclassification
for the two VUS to likely pathogenic and for two of the
three likely pathogenic variants to pathogenic},
cin = {IBG-4},
ddc = {610},
cid = {I:(DE-Juel1)IBG-4-20200403},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217) / DFG project 433387263 -
Next-Generation Sequencing und funktionelle
Charakterisierung von Varianten unklarer Signifikanz in
pädiatrischen Hepatopathien (433387263)},
pid = {G:(DE-HGF)POF4-2171 / G:(GEPRIS)433387263},
typ = {PUB:(DE-HGF)16},
pubmed = {37157876},
UT = {WOS:000985098200001},
doi = {10.1111/cge.14352},
url = {https://juser.fz-juelich.de/record/1008582},
}