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@ARTICLE{Kopp:618906,
author = {Kopp, Anja and Hagelueken, Gregor and Jamitzky, Isabell and
Moecking, Jonas and Schiffelers, Lisa D. J. and Schmidt,
Florian I. and Geyer, Matthias},
title = {{P}yroptosis inhibiting nanobodies block {G}asdermin {D}
pore formation},
journal = {Nature Communications},
volume = {14},
number = {1},
issn = {2041-1723},
address = {[London]},
publisher = {Nature Publishing Group UK},
reportid = {PUBDB-2024-07228},
pages = {7923},
year = {2023},
abstract = {Human Gasdermin D (GSDMD) is a key mediator of pyroptosis,
a pro-inflammatory form of cell death occurring downstream
of inflammasome activation as part of the innate immune
defence. Upon cleavage by inflammatory caspases in the
cytosol, the N-terminal domain of GSDMD forms pores in the
plasma membrane resulting in cytokine release and eventually
cell death. Targeting GSDMD is an attractive way to dampen
inflammation. In this study, six GSDMD targeting nanobodies
are characterized in terms of their binding affinity,
stability, and effect on GSDMD pore formation. Three of the
nanobodies inhibit GSDMD pore formation in a liposome
leakage assay, although caspase cleavage was not perturbed.
We determine the crystal structure of human GSDMD in complex
with two nanobodies at 1.9 Å resolution, providing
detailed insights into the GSDMD–nanobody interactions and
epitope binding. The pore formation is sterically blocked by
one of the nanobodies that binds to the oligomerization
interface of the N-terminal domain in the multi-subunit pore
assembly. Our biochemical and structural findings provide
tools for studying inflammasome biology and build a
framework for the design of GSDMD targeting drugs.},
cin = {EMBL-User},
ddc = {500},
cid = {I:(DE-H253)EMBL-User-20120814},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / DFG project
G:(GEPRIS)390873048 - EXC 2151: ImmunoSensation2 - the
immune sensory system (390873048) / GRK 2168 -
Internationales Graduiertenkolleg 2168 – Myeloid antigen
presenting cells and the induction of adaptive immunity
(GRK-2168-20170406)},
pid = {G:(DE-HGF)POF4-6G3 / G:(GEPRIS)390873048 /
G:(DE-Juel1)GRK-2168-20170406},
experiment = {EXP:(DE-H253)P-P13-20150101},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:38040708},
UT = {WOS:001113452500033},
doi = {10.1038/s41467-023-43707-z},
url = {https://bib-pubdb1.desy.de/record/618906},
}