Results 71 to 80 of about 56,365 (241)

Heat shock factor 1 regulates lifespan as distinct from disease onset in prion disease [PDF]

, 2008
Prion diseases are fatal, transmissible, neurodegenerative diseases caused by the misfolding of the prion protein (PrP). At present, the molecular pathways underlying prion-mediated neurotoxicity are largely unknown.
Aguzzi, Adriano, Borkowski, Andrew W., Heppner, Frank L., Hutter, Gregor, Jackson, Walter S., King, Oliver D., Lindquist, Susan, Raymond, Gregory J., Steele, Andrew D.   +8 more
core   +3 more sources

Restriction of Individual Branched‐Chain Amino Acids has Distinct Effects on the Development and Progression of Alzheimer's Disease in 3xTg Mice

Advanced Science, EarlyView.
Protein restriction (PR) slows Alzheimer's disease (AD) in mice, and other benefits of PR are due to decreased branched‐chain amino acids (BCAAs). We show that restricting any BCAA has benefits, with sex‐ and BCAA‐specific impacts on pathology, molecular signaling, and cognition.
Reji Babygirija, Cara L. Green, Michelle M. Sonsalla, Izabelle Marie F. Le, Fan Xiao, Sarah Yandell, Mariah F. Calubag, Michaela E. Trautman, Anna Tobon, Ryan Matoska, Chung‐Yang Yeh, Charles I. Opara, Isaac Grunow, Diana Vertein, Sophia Schlorf, Bailey A. Knopf, Michael J. Rigby, David A. Harris, Mark P. Keller, Alan D. Attie, Luigi Puglielli, Cholsoon Jang, Dudley W. Lamming   +22 more
wiley   +1 more source

Aging-induced proteostatic changes in the rat hippocampus identify ARP3, NEB2 and BRAG2 as a molecular circuitry for cognitive impairment.

PLoS ONE, 2013
Disturbed proteostasis as a particular phenotype of the aging organism has been advanced in C. elegans experiments and is also conceived to underlie neurodegenerative diseases in humans.
Philipp Ottis, Bianca Topic, Maarten Loos, Ka Wan Li, Angelica de Souza, Daniela Schulz, August B Smit, Joseph P Huston, Carsten Korth   +8 more
doaj   +1 more source

Integrating ER and Mitochondrial Proteostasis in the Healthy and Diseased Heart

Frontiers in Cardiovascular Medicine, 2020
The integrity of the proteome in cardiac myocytes is critical for robust heart function. Proteome integrity in all cells is managed by protein homeostasis or proteostasis, which encompasses processes that maintain the balance of protein synthesis ...
Adrian Arrieta, Erik A. Blackwood, Winston T. Stauffer, Christopher C. Glembotski   +3 more
doaj   +1 more source

Temporal requirements of SKN-1/NRF as a regulator of lifespan and proteostasis in Caenorhabditis elegans.

PLoS ONE, 2021
Lowering the activity of the Insulin/IGF-1 Signaling (IIS) cascade results in elevated stress resistance, enhanced protein homeostasis (proteostasis) and extended lifespan of worms, flies and mice. In the nematode Caenorhabditis elegans (C. elegans), the
Danielle Grushko, Hana Boocholez, Amir Levine, Ehud Cohen   +3 more
doaj   +1 more source

Extracellular vesicles, ageing, and therapeutic interventions [PDF]

, 2018
A more comprehensive understanding of the human ageing process is required to help mitigate the increasing burden of age-related morbidities in a rapidly growing global demographic of elderly individuals.
Neytchev, Ognian, Panagiotou, Nikolaos, Selman, Colin, Shiels, Paul G.   +3 more
core   +1 more source

Single‐Cell Atlas of Subchondral Bone Marrow Lesions Reveals Proteostasis Dysfunction as a Druggable Mechanism for Early Osteoarthritis

Advanced Science, EarlyView.
This study reveals that abnormal mechanical stress downregulates the expression of HSP70 and impairs proteasome function in osteoarthritic bone cells, leading to misfolded collagen I accumulation and ER stress. When intracellular proteostasis capacity is exceeded, USP19 mediates the secretion of misfolded proteins into the extracellular space ...
Hailun Xu, Ting He, Yu Qian, Jia Li, Bowei Ni, Xiaojie Xu, Huanbo Wang, Peng Wang, Guoqing Cao, Siqi Ying, Guangyu Ding, Rong Wang, Zenghui Gu, Wei Li, Zhentao Man, Houfeng Zheng, Zhaohua Zhu, Zhen Li, Qingjun Meng, Chao Zheng, Liu Yang   +20 more
wiley   +1 more source

Peroxisomal Proteostasis Involves a Lon Family Protein That Functions as Protease and Chaperone [PDF]

, 2012
Proteins are subject to continuous quality control for optimal proteostasis. The knowledge of peroxisome quality control systems is still in its infancy. Here we show that peroxisomes contain a member of the Lon family of proteases (Pln).
Aksam, Antonenkov, Arnold, Bartoszewska, Bender, Bota, Buchner, Dobson, Ellis, Fraaije, Franke, Goldberg, Guinier, Hanson, Hartl, Hillenga, Islinger, Iyer, Jaenicke, Jahn, Kiel, Kiel, Kikuchi, Kozin, Lee, Lingard, Liu, Meijer, Nettleship, Nijland, Okumoto, Omi, Opaliński, Paraszkiewicz, Petoukhov, Petoukhov, Petoukhov, Powers, Quiocho, Reeder, Rep, Roessle, Roudiak, Sambrook, Sauer, Stahlberg, Steinberg, Svergun, Tyedmers, van Dijken, van Roermund, Venkatesh, Volkov, von Janowsky, Wagner, Walton, Wanders, Waterham, West   +58 more
core   +4 more sources

Intracellular Aβ42 Sequestration by a Serine Protease Mitigates Neurotoxicity in a Drosophila Alzheimer's Disease Model

Advanced Science, EarlyView.
Emerging evidence suggests that intraneuronal Aβ accumulation represents an early pathogenic event in Alzheimer's disease (AD). Using Drosophila AD model, this study shows that a nonsecreted serine protease Yip7 physically interacts with Aβ. This causes intraneuronal Aβ accumulation but surprisingly reduces the associated neurotoxicity, arguing that ...
Jingyun Su, Meng Yang, Xinfeng Wang, Pa Wu, Zongzhao Zhai   +4 more
wiley   +1 more source

Novel Modulators of Proteostasis: RNAi Screen of Chromosome I in a Heat Stress Paradigm in C. elegans

Cells, 2018
Proteostasis is of vital importance for cellular function and it is challenged upon exposure to acute or chronic insults during neurodegeneration and aging.
Andreas Kern, Natalie Spang, Heike Huesmann, Christian Behl   +3 more
doaj   +1 more source