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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2016 ; 7
(ä): 10948
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Kinetic analysis reveals the diversity of microscopic mechanisms through which
molecular chaperones suppress amyloid formation
#MMPMID27009901
Arosio P
; Michaels TC
; Linse S
; Månsson C
; Emanuelsson C
; Presto J
; Johansson J
; Vendruscolo M
; Dobson CM
; Knowles TP
Nat Commun
2016[Mar]; 7
(ä): 10948
PMID27009901
show ga
It is increasingly recognized that molecular chaperones play a key role in
modulating the formation of amyloid fibrils, a process associated with a wide
range of human disorders. Understanding the detailed mechanisms by which they
perform this function, however, has been challenging because of the great
complexity of the protein aggregation process itself. In this work, we build on a
previous kinetic approach and develop a model that considers pairwise
interactions between molecular chaperones and different protein species to
identify the protein components targeted by the chaperones and the corresponding
microscopic reaction steps that are inhibited. We show that these interactions
conserve the topology of the unperturbed reaction network but modify the
connectivity weights between the different microscopic steps. Moreover, by
analysing several protein-molecular chaperone systems, we reveal the striking
diversity in the microscopic mechanisms by which molecular chaperones act to
suppress amyloid formation.