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@ARTICLE{Braeutigam:907433,
author = {Braeutigam, Andrea and Simsek, Ahmet Nihat and Gompper,
Gerhard and Sabass, Benedikt},
title = {{G}eneric self-stabilization mechanism for biomolecular
adhesions under load},
journal = {Nature Communications},
volume = {13},
number = {1},
issn = {2041-1723},
address = {[London]},
publisher = {Nature Publishing Group UK},
reportid = {FZJ-2022-02033},
pages = {2197},
year = {2022},
abstract = {Mechanical loading generally weakens adhesive structures
and eventually leads to their rupture. However, biological
systems can adapt to loads by strengthening adhesions, which
is essential for maintaining the integrity of tissue and
whole organisms. Inspired by cellular focal adhesions, we
suggest here a generic, molecular mechanism that allows
adhesion systems to harness applied loads for
self-stabilization through adhesion growth. The mechanism is
based on conformation changes of adhesion molecules that are
dynamically exchanged with a reservoir. Tangential loading
drives the occupation of some states out of equilibrium,
which, for thermodynamic reasons, leads to association of
further molecules with the cluster. Self-stabilization
robustly increases adhesion lifetimes in broad parameter
ranges. Unlike for catch-bonds, bond rupture rates can
increase monotonically with force. The self-stabilization
principle can be realized in many ways in complex
adhesion-state networks; we show how it naturally occurs in
cellular adhesions involving the adaptor proteins talin and
vinculin.},
cin = {IBI-5 / IAS-2},
ddc = {500},
cid = {I:(DE-Juel1)IBI-5-20200312 / I:(DE-Juel1)IAS-2-20090406},
pnm = {5241 - Molecular Information Processing in Cellular Systems
(POF4-524)},
pid = {G:(DE-HGF)POF4-5241},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:35459276},
UT = {WOS:000785774400011},
doi = {10.1038/s41467-022-29823-2},
url = {https://juser.fz-juelich.de/record/907433},
}