TY  - JOUR
AU  - Huang, Chaolie
AU  - Wagner-Valladolid, Sara
AU  - Stephens, Amberley D
AU  - Jung, Raimund
AU  - Poudel, Chetan
AU  - Sinnige, Tessa
AU  - Lechler, Marie C
AU  - Schlörit, Nicole
AU  - Lu, Meng
AU  - Laine, Romain F
AU  - Michel, Claire H
AU  - Vendruscolo, Michele
AU  - Kaminski, Clemens F
AU  - Kaminski Schierle, Gabriele S
AU  - David, Della C
TI  - Intrinsically aggregation-prone proteins form amyloid-like aggregates and contribute to tissue aging in Caenorhabditis elegans.
JO  - eLife
VL  - 8
SN  - 2050-084X
CY  - Cambridge
PB  - eLife Sciences Publications
M1  - DZNE-2020-07027
SP  - e43059
PY  - 2019
AB  - Reduced protein homeostasis leading to increased protein instability is a common molecular feature of aging, but it remains unclear whether this is a cause or consequence of the aging process. In neurodegenerative diseases and other amyloidoses, specific proteins self-assemble into amyloid fibrils and accumulate as pathological aggregates in different tissues. More recently, widespread protein aggregation has been described during normal aging. Until now, an extensive characterization of the nature of age-dependent protein aggregation has been lacking. Here, we show that age-dependent aggregates are rapidly formed by newly synthesized proteins and have an amyloid-like structure resembling that of protein aggregates observed in disease. We then demonstrate that age-dependent protein aggregation accelerates the functional decline of different tissues in C. elegans. Together, these findings imply that amyloid-like aggregates contribute to the aging process and therefore could be important targets for strategies designed to maintain physiological functions in the late stages of life.
KW  - Aging
KW  - Amyloid: metabolism
KW  - Animals
KW  - Caenorhabditis elegans: physiology
KW  - Caenorhabditis elegans Proteins: metabolism
KW  - Protein Aggregates
LB  - PUB:(DE-HGF)16
C6  - pmid:31050339
C2  - pmc:PMC6524967
DO  - DOI:10.7554/eLife.43059
UR  - https://pub.dzne.de/record/140705
ER  -