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@ARTICLE{Wolff:909961,
author = {Wolff, Natalie and Kollenda, Sebastian and Klein, Kai and
Loza, Kateryna and Heggen, Marc and Brochhagen, Leonie and
Witzke, Oliver and Krawczyk, Adalbert and Hilger, Ingrid and
Epple, Matthias},
title = {{S}ilencing of proinflammatory {NF}-κ{B} and inhibition of
herpes simplex virus ({HSV}) replication by ultrasmall gold
nanoparticles (2 nm) conjugated with small-interfering
{RNA}},
journal = {Nanoscale advances},
volume = {4},
number = {21},
issn = {2516-0230},
address = {Cambridge},
publisher = {Royal Society of Chemistry},
reportid = {FZJ-2022-03551},
pages = {4502-4516},
year = {2022},
abstract = {Azide-terminated ultrasmall gold nanoparticles (2 nm gold
core) were covalently functionalized with alkyne-terminated
small-interfering siRNA duplexes by copper-catalyzed
azide–alkyne cycloaddition (CuAAC; click chemistry). The
nanoparticle core was visualized by transmission electron
microscopy. The number of attached siRNA molecules per
nanoparticle was determined by a combination of atomic
absorption spectroscopy (AAS; for gold) and UV-Vis
spectroscopy (for siRNA). Each nanoparticle carried between
6 and 10 siRNA duplex molecules which corresponds to a
weight ratio of siRNA to gold of about 2.2 : 1.
Different kinds of siRNA were conjugated to the
nanoparticles, depending on the gene to be silenced. In
general, the nanoparticles were readily taken up by cells
and highly efficient in gene silencing, in contrast to free
siRNA. This was demonstrated in HeLa-eGFP cells (silencing
of eGFP) and in LPS-stimulated macrophages (silencing of
NF-κB). Furthermore, we demonstrated that nanoparticles
carrying antiviral siRNA potently inhibited the replication
of Herpes simplex virus 2 (HSV-2) in vitro. This highlights
the strong potential of siRNA-functionalized ultrasmall gold
nanoparticles in a broad spectrum of applications, including
gene silencing and treatment of viral infections, combined
with a minimal dose of gold.},
cin = {ER-C-1},
ddc = {540},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {5351 - Platform for Correlative, In Situ and Operando
Characterization (POF4-535)},
pid = {G:(DE-HGF)POF4-5351},
typ = {PUB:(DE-HGF)16},
pubmed = {36341304},
UT = {WOS:000851568400001},
doi = {10.1039/D2NA00250G},
url = {https://juser.fz-juelich.de/record/909961},
}