Results 51 to 60 of about 18,434,088 (294)

Site-Specific Proteasome Inhibitors

open access: yesBiomolecules, 2021
Proteasome is a multi-subunit protein degradation machine, which plays a key role in the maintenance of protein homeostasis and, through degradation of regulatory proteins, in the regulation of numerous cell functions. Proteasome inhibitors are essential
Alexei F. Kisselev
doaj   +1 more source

Fluorescence-based proteasome activity profiling [PDF]

open access: yes, 2011
With the proteasome emerging as a therapeutic target for cancer treatment, accurate tools for monitoring proteasome (inhibitor) activity are in demand.
Jong, A.   +9 more
core   +1 more source

Chemical proteasome inhibition as a novel animal model of inner retinal degeneration in rats.

open access: yesPLoS ONE, 2019
Chemical proteasome inhibition has been a valuable animal model of neurodegeneration to uncover roles for the ubiquitin-proteasome system in the central nervous system.
Masaaki Kageyama   +4 more
doaj   +1 more source

The Role of Ubiquitin-Proteasome System in the Pathogenesis of Severe Acute Respiratory Syndrome Coronavirus-2 Disease

open access: yesInternational Journal of Inflammation, 2023
Different protein degradation pathways exist in cells. However, the bulk of cellular proteins are degraded by the ubiquitin-proteasome system (UPS), which is one of these pathways.
Fikadu Seyoum Tola
doaj   +1 more source

Copper homeostasis and the ubiquitin proteasome system

open access: yesMetallomics, 2023
Abstract Copper is involved in many physiological pathways and important biological processes as a cofactor of several copper-dependent enzymes. Given the requirement for copper and its potential toxicity, intracellular copper levels are tightly controlled. Disturbances of human copper homeostasis are characterized by disorders of copper
Bichao Zhang, Richard Burke
openaire   +2 more sources

An extract of Artemisia dracunculus L. inhibits ubiquitin-proteasome activity and preserves skeletal muscle mass in a murine model of diabetes. [PDF]

open access: yesPLoS ONE, 2013
Impaired insulin signaling is a key feature of type 2 diabetes and is associated with increased ubiquitin-proteasome-dependent protein degradation in skeletal muscle. An extract of Artemisia dracunculus L.
Heather Kirk-Ballard   +8 more
doaj   +1 more source

Nutrient/TOR signaling controls adipose mitochondrial transcription factor A (TFAM) to regulate organismal growth in Drosophila

open access: yesFEBS Letters, EarlyView.
Animals must match their growth rate to available nutrients. We show that in Drosophila larvae, the nutrient‐sensing TOR kinase controls growth by regulating levels of TFAM, a key regulator of mitochondrial function, in the adipose tissue. When nutrients are abundant, high TOR activity suppresses TFAM, lowering mitochondrial bioenergetic activity and ...
Shrivani Sriskanthadevan‐Pirahas   +4 more
wiley   +1 more source

Homo-PROTACs: bivalent small-molecule dimerizers of the VHL E3 ubiquitin ligase to induce self-degradation

open access: yesNature Communications, 2017
Targeting the ubiquitin proteasome system to modulate protein homeostasis using small molecules has promising therapeutic potential. Here the authors describe Homo-PROTACS: small molecules that can induce the homo-dimerization of E3 ubiquitin ligases and
Chiara Maniaci   +8 more
doaj   +1 more source

Characterization of the ubiquitylating components of the human malaria parasite's protein degradation pathway. [PDF]

open access: yesPLoS ONE, 2012
Ubiquitin-dependent protein degradation within malarial parasites is a burgeoning field of interest due to several encouraging reports of proteasome inhibitors that were able to confer antimalarial activity. Despite the growing interest in the Plasmodium
Duk-Won D Chung   +4 more
doaj   +1 more source

The ubiquitin–proteasome system in cardiac dysfunction

open access: yesBiochimica et Biophysica Acta (BBA) - Molecular Basis of Disease, 2008
Abstract Since proteins play crucial roles in all biological processes, the finely tuned equilibrium between their synthesis and degradation regulates cellular homeostasis. Controlling the quality of proteome informational content is essential for cell survival and function. After initial synthesis, membrane and secretory proteins are modified, folded,
Mearini, Giulia   +3 more
openaire   +3 more sources

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