Unconventional protein secretion dependent on two extracellular vesicles: exosomes and ectosomes
J Meldolesi - Frontiers in Cell and Developmental Biology, 2022 - frontiersin.org
In addition to conventional protein secretion, dependent on the specific cleavage of signal
sequences, proteins are secreted by other processes, all together called unconventional …
sequences, proteins are secreted by other processes, all together called unconventional …
Impact of hormesis to deepen our understanding of the mechanisms underlying the bioactivities of polyphenols
A Murakami - Current Opinion in Biotechnology, 2024 - Elsevier
Highlights•Cells, organs, and the whole body are continuously exposed to various types of
stressors.•Hormesis is an adaptive phenomenon characterized by low-dose stimulation and …
stressors.•Hormesis is an adaptive phenomenon characterized by low-dose stimulation and …
E3 ligase autoinhibition by C-degron mimicry maintains C-degron substrate fidelity
DC Scott, MT King, K Baek, CT Gee, R Kalathur, J Li… - Molecular cell, 2023 - cell.com
E3 ligase recruitment of proteins containing terminal destabilizing motifs (degrons) is
emerging as a major form of regulation. How those E3s discriminate bona fide substrates …
emerging as a major form of regulation. How those E3s discriminate bona fide substrates …
[HTML][HTML] Mechanism of orphan subunit recognition during assembly quality control
Y Yagita, E Zavodszky, SY Peak-Chew, RS Hegde - Cell, 2023 - cell.com
Cells contain numerous abundant molecular machines assembled from multiple subunits.
Imbalances in subunit production and failed assembly generate orphan subunits that are …
Imbalances in subunit production and failed assembly generate orphan subunits that are …
Orphan quality control shapes network dynamics and gene expression
All eukaryotes require intricate protein networks to translate developmental signals into
accurate cell fate decisions. Mutations that disturb interactions between network …
accurate cell fate decisions. Mutations that disturb interactions between network …
Recognition of the CCT5 di‐Glu degron by CRL4DCAF12 is dependent on TRiC assembly
C Pla‐Prats, S Cavadini, G Kempf, NH Thomä - The EMBO Journal, 2023 - embopress.org
Abstract Assembly Quality Control (AQC) E3 ubiquitin ligases target incomplete or
incorrectly assembled protein complexes for degradation. The CUL4‐RBX1‐DDB1‐DCAF12 …
incorrectly assembled protein complexes for degradation. The CUL4‐RBX1‐DDB1‐DCAF12 …
Conserved degronome features governing quality control associated proteolysis
B Mashahreh, S Armony, KE Johansson… - Nature …, 2022 - nature.com
The eukaryotic proteome undergoes constant surveillance by quality control systems that
either sequester, refold, or eliminate aberrant proteins by ubiquitin-dependent mechanisms …
either sequester, refold, or eliminate aberrant proteins by ubiquitin-dependent mechanisms …
Calreticulin: Endoplasmic reticulum Ca2+ gatekeeper
M Michalak - Journal of Cellular and Molecular Medicine, 2024 - Wiley Online Library
Endoplasmic reticulum (ER) luminal Ca2+ is vital for the function of the ER and regulates
many cellular processes. Calreticulin is a highly conserved, ER‐resident Ca2+ binding …
many cellular processes. Calreticulin is a highly conserved, ER‐resident Ca2+ binding …
WRN inhibition leads to its chromatin-associated degradation via the PIAS4-RNF4-p97/VCP axis
F Rodríguez Pérez, D Natwick, L Schiff… - Nature …, 2024 - nature.com
Synthetic lethality provides an attractive strategy for developing targeted cancer therapies.
For example, cancer cells with high levels of microsatellite instability (MSI-H) are dependent …
For example, cancer cells with high levels of microsatellite instability (MSI-H) are dependent …
Maximum entropy determination of mammalian proteome dynamics
Full understanding of proteostasis and energy utilization in cells will require knowledge of
the fraction of cell proteins being degraded with different half-lives and their rates of …
the fraction of cell proteins being degraded with different half-lives and their rates of …