Results 31 to 40 of about 198,410 (265)
Proteasomes are multi-catalytic complexes with important roles in protein control. Their activity in stored red blood cells (RBCs) is affected by both storage time and the donor’s characteristics.
Alkmini T. Anastasiadi +9 more
doaj +1 more source
Prion diseases are fatal neurodegenerative disorders that include Creutzfeldt-Jakob disease in humans and bovine spongiform encephalopathy in animals. They are unique in terms of their biology because they are caused by the conformational re-arrangement of a normal host-encoded prion protein, PrPC, to an abnormal infectious isoform, PrPSc.
Deriziotis, P., Tabrizi, S.
openaire +3 more sources
Insulin/IGF-1 Signaling Regulates Proteasome Activity through the Deubiquitinating Enzyme UBH-4
The proteasome plays an important role in proteostasis by carrying out controlled protein degradation in the cell. Impairments in proteasome function are associated with severe and often age-related diseases.
Olli Matilainen +4 more
doaj +1 more source
Dienone compounds with a 1,5-diaryl-3-oxo-1,4-pentadienyl pharmacophore have been widely reported to show tumor cell selectivity. These compounds target the ubiquitin-proteasome system (UPS), known to be essential for the viability of tumor cells.
Karthik Selvaraju +8 more
doaj +1 more source
Endocrine Resistance in Breast Cancer: The Role of Estrogen Receptor Stability
Therapy of hormone receptor positive breast cancer (BCa) generally targets estrogen receptor (ER) function and signaling by reducing estrogen production or by blocking its interaction with the ER. Despite good long-term responses, resistance to treatment
Sarah A. Jeffreys +8 more
doaj +1 more source
Protective Roles of Cytosolic and Plastidal Proteasomes on Abiotic Stress and Pathogen Invasion
Protein malfunction is typically caused by abiotic stressors. To ensure cell survival during conditions of stress, it is important for plant cells to maintain proteins in their respective functional conformation.
Md. Sarafat Ali, Kwang-Hyun Baek
doaj +1 more source
IntroductionProteasome inhibition is first line therapy in multiple myeloma (MM). The immunological potential of cell death triggered by defects of the ubiquitin-proteasome system (UPS) and subsequent perturbations of protein homeostasis is, however ...
Zeinab Waad Sadiq +8 more
doaj +1 more source
Proteostasis and the gut microbiota play a key role in shaping host physiology. Microbiota‐derived metabolites, vitamins, and RNA modulate host proteostasis. Findings from model systems, including C. elegans, indicate microbes can either stabilize or disrupt host proteostasis.
Abhishek Anil Dubey, Maria Ermolaeva
wiley +1 more source
Order of the Proteasomal ATPases and Eukaryotic Proteasome Assembly [PDF]
The 26S proteasome is responsible for a large fraction of the regulated protein degradation in eukaryotic cells. The enzyme complex is composed of a 20S proteolytic core particle (CP) capped on one or both ends with a 19S regulatory particle (RP). The RP recognizes and unfolds substrates and translocates them into the CP.
Robert J, Tomko, Mark, Hochstrasser
openaire +2 more sources
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley +1 more source

