On the role of the immunoproteasome in protein homeostasis

M Basler, M Groettrup - Cells, 2021 - mdpi.com
Numerous cellular processes are controlled by the proteasome, a multicatalytic protease in
the cytosol and nucleus of all eukaryotic cells, through regulated protein degradation. The …

The role of post-translational modifications on the structure and function of tau protein

H Ye, Y Han, P Li, Z Su, Y Huang - Journal of Molecular Neuroscience, 2022 - Springer
Involving addition of chemical groups or protein units to specific residues of the target
protein, post-translational modifications (PTMs) alter the charge, hydrophobicity, and …

The 20S as a stand-alone proteasome in cells can degrade the ubiquitin tag

I Sahu, SM Mali, P Sulkshane, C Xu… - Nature …, 2021 - nature.com
The proteasome, the primary protease for ubiquitin-dependent proteolysis in eukaryotes, is
usually found as a mixture of 30S, 26S, and 20S complexes. These complexes have …

Systematic identification of 20S proteasome substrates

M Pepelnjak, R Rogawski, G Arkind… - Molecular Systems …, 2024 - embopress.org
For years, proteasomal degradation was predominantly attributed to the ubiquitin-26S
proteasome pathway. However, it is now evident that the core 20S proteasome can …

Functional differences between proteasome subtypes

J Abi Habib, J Lesenfants, N Vigneron… - Cells, 2022 - mdpi.com
Four proteasome subtypes are commonly present in mammalian tissues: standard
proteasomes, which contain the standard catalytic subunits β1, β2 and β5; …

[HTML][HTML] Supplementation with uric and ascorbic acid protects stored red blood cells through enhancement of non-enzymatic antioxidant activity and metabolic rewiring

VL Tzounakas, AT Anastasiadi, VZ Arvaniti, V Lelli… - Redox biology, 2022 - Elsevier
Redox imbalance and oxidative stress have emerged as generative causes of the structural
and functional degradation of red blood cells (RBC) that happens during their hypothermic …

Oxidative distress in aging and age-related diseases: Spatiotemporal dysregulation of protein oxidation and degradation

S Zavadskiy, S Sologova, N Moldogazieva - Biochimie, 2022 - Elsevier
The concept of oxidative distress had arisen from the assessment of cellular response to
high concentrations of reactive species that result from an imbalance between oxidants and …

M3258 is a selective inhibitor of the immunoproteasome subunit LMP7 (β5i) delivering efficacy in multiple myeloma models

MP Sanderson, M Friese-Hamim… - Molecular cancer …, 2021 - AACR
Abstract Large multifunctional peptidase 7 (LMP7/β5i/PSMB8) is a proteolytic subunit of the
immunoproteasome, which is predominantly expressed in normal and malignant …

Expanded bioinformatic analysis of Oximouse dataset reveals key putative processes involved in brain aging and cognitive decline

PJ Urrutia, DA Bórquez - Free Radical Biology and Medicine, 2023 - Elsevier
The theory that aging is driven by the damage produced by reactive oxygen species (ROS)
derived from oxidative metabolism dominated geroscience studies during the second half of …

Targeting immunoproteasome in neurodegeneration: A glance to the future

GR Tundo, P Cascio, D Milardi, AM Santoro… - Pharmacology & …, 2023 - Elsevier
The immunoproteasome is a specialized form of proteasome equipped with modified
catalytic subunits that was initially discovered to play a pivotal role in MHC class I antigen …