Results 141 to 150 of about 17,362,245 (308)

Characterisation and expression analysis of cathepsins and ubiquitin-proteasome genes in gilthead sea bream (Sparus aurata) skeletal muscle [PDF]

open access: yes, 2015
This work was supported by funds from the MICINN (AGL2009-12427 and AGL2010-17324), the Catalonian Government (2009SGR-00402) and the “Xarxa de Referència d’R + D + I en Aqüicultura” and, the European Union through the project LIFECYCLE (FP7-222719 ...
Joaquim Gutiérrez   +14 more
core   +1 more source

Proteasome-associated HECT-type ubiquitin ligase activity is required for plant immunity.

open access: yesPLoS Pathogens, 2018
Regulated degradation of proteins by the 26S proteasome plays important roles in maintenance and signalling in eukaryotic cells. Proteins are marked for degradation by the action of E3 ligases that site-specifically modify their substrates by adding ...
James J Furniss   +6 more
doaj   +1 more source

PFKFB4 Deubiquitination by USP10 Enhances Fumarate Metabolism to Orchestrate the KDM1A/Rad51 Axis and Confer Radioresistance in Lung Cancer

open access: yesAdvanced Science, EarlyView.
USP10 binds to and stabilizes PFKFB4, enhancing glycolytic ATP production, which activates the urea cycle and elevates fumarate. This inhibits histone demethylase KDM1A, leading to increased H3K4me1 enrichment at the Rad51 promoter and direct activation of Rad51 transcription, which confers lung cancer radioresistance. The PFKFB4 inhibitor 5MPN targets
Yunshang Chen   +7 more
wiley   +1 more source

The ataxia (axJ) mutation causes abnormal GABAA receptor turnover in mice [PDF]

open access: yes, 2009
Ataxia represents a pathological coordination failure that often involves functional disturbances in cerebellar circuits. Purkinje cells (PCs) characterize the only output neurons of the cerebellar cortex and critically participate in regulating motor ...
Kneussel Matthias   +43 more
core   +2 more sources

Regulation of the 26S Proteasome: From Homeostasis to Stress and Disease

open access: yesCells
The ubiquitin–proteasome system (UPS) has traditionally been described as a tightly regulated degradative network driven mainly by the specificity of its ubiquitin-conjugating enzymatic components.
Victoria Cohen-Kaplan   +2 more
doaj   +1 more source

LRRC4 Orchestrates AP2A1‐Containing Clathrin‐Coated Vesicles to Disrupt Mitochondrial Cristae and Restrict Glioblastoma Progression

open access: yesAdvanced Science, EarlyView.
LRRC4 suppresses GBM by regulating AP2A1‐containing Golgi‐derived clathrin‐coated vesicles. Low LRRC4 allows cytoplasmic AP2A1 to maintain mitochondrial fission‐fusion, MICOS integrity, and OXPHOS, promoting proliferation and invasion. High LRRC4 redirects AP2A1‐containing Golgi‐derived clathrin‐coated vesicles to mitochondria, disrupts MICOS, enhances
Yang Li   +5 more
wiley   +1 more source

Neurodegenerative stress related mitochondrial proteostasis [PDF]

open access: yes, 2015
1.1 Background: Mitochondria are the main site of energy production in most cells. Furthermore, they are involved in a multitude of other essential cellular processes, such as regulating the cellular calcium pool, lipid metabolism and programmed cell ...
Fang, Lei
core   +1 more source

Proteasome dysfunction in aged human α-synuclein transgenic mice

open access: yesNeurobiology of Disease, 2006
A deficit in proteasome function in Parkinson's disease has been speculated. We characterized the ubiquitin–proteasome system in three regions of brain from transgenic and nontransgenic littermates.
Li Chen   +3 more
doaj   +1 more source

8‐Oxoguanine Modified CircMTUS1 Drives PABPC1 Phase Separation to Promote Gastric Cancer Progression and Cisplatin Resistance via Autophagy

open access: yesAdvanced Science, EarlyView.
ABSTRACT Gastric cancer (GC) is a major global health concern, as its prevention and treatment remain significant challenges. The 8‐oxoguanine (o8G) modification of circRNAs, alongside their capacity to orchestrate liquid‐liquid phase separation (LLPS) and autophagy, plays a pivotal role in driving tumor progression and determining therapeutic outcomes.
Lei Peng   +8 more
wiley   +1 more source

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