Chaperoning proteins for destruction: diverse roles of Hsp70 chaperones and their co-chaperones in targeting misfolded proteins to the proteasome

A Shiber, T Ravid - Biomolecules, 2014 - mdpi.com
Molecular chaperones were originally discovered as heat shock-induced proteins that
facilitate proper folding of proteins with non-native conformations. While the function of …

A decade of boon or burden: what has the CHIP ever done for cellular protein quality control mechanism implicated in neurodegeneration and aging?

V Joshi, A Amanullah, A Upadhyay, R Mishra… - Frontiers in molecular …, 2016 - frontiersin.org
Cells regularly synthesize new proteins to replace old and abnormal proteins for normal
cellular functions. Two significant protein quality control pathways inside the cellular milieu …

Polyphenolic flavonoid (Myricetin) upregulated proteasomal degradation mechanisms: Eliminates neurodegenerative proteins aggregation

V Joshi, R Mishra, A Upadhyay… - Journal of Cellular …, 2019 - Wiley Online Library
Major neurodegenerative disorders are characterized by the formation of misfolded proteins
aggregates inside or outside the neuronal cells. Previous studies suggest that aberrant …

Trehalose Promotes Clearance of Proteotoxic Aggregation of Neurodegenerative Disease-Associated Aberrant Proteins

P Kumar, S Kinger, AR Dubey, YA Jagtap… - Molecular …, 2024 - Springer
Accumulation of misfolded proteins compromises overall cellular health and fitness. The
failure to remove misfolded proteins is a critical reason for their unwanted aggregation in …

Human telomerase reverse transcriptase (hTERT) positively regulates 26S proteasome activity

E Im, JB Yoon, HW Lee… - Journal of Cellular …, 2017 - Wiley Online Library
Human telomerase reverse transcriptase (hTERT) is the catalytic subunit of telomerase, an
RNA‐dependent DNA polymerase that elongates telomeric DNA. hTERT displays several …

Mahogunin ring finger-1 (MGRN1) suppresses chaperone-associated misfolded protein aggregation and toxicity

D Chhangani, A Mishra - Scientific Reports, 2013 - nature.com
Impairment in the elimination of misfolded proteins generates cellular toxicity and leads to
various late-onset neurodegenerative diseases. However, the mechanisms by which cells …

[HTML][HTML] Disruption of polyubiquitin gene Ubc leads to attenuated resistance against arsenite-induced toxicity in mouse embryonic fibroblasts

MN Kim, J Choi, HW Ryu, KY Ryu - Biochimica et Biophysica Acta (BBA) …, 2015 - Elsevier
The polyubiquitin gene Ubc is upregulated under oxidative stress induced by arsenite [As
(III)]. However, the detailed mechanism of Ubc upregulation and the exact role of ubiquitin …

Protein quality control system in neurodegeneration: a healing company hard to beat but failure is fatal

D Chhangani, A Mishra - Molecular neurobiology, 2013 - Springer
A common feature in most neurodegenerative diseases and aging is the progressive
accumulation of damaged proteins. Proteins are essential for all crucial biological functions …

Development of a rapamycin-inducible protein-knockdown system in the unicellular red alga Cyanidioschyzon merolae

T Fujiwara, S Hirooka, S Yamashita… - Plant …, 2024 - academic.oup.com
An inducible protein-knockdown system is highly effective for investigating the functions of
proteins and mechanisms essential for the survival and growth of organisms. However, this …

Ubiquitin ligase ITCH recruitment suppresses the aggregation and cellular toxicity of cytoplasmic misfolded proteins

D Chhangani, A Upadhyay, A Amanullah, V Joshi… - Scientific reports, 2014 - nature.com
The protein quality control (QC) system protects cells against cellular toxicity induced by
misfolded proteins and maintains overall cellular fitness. Inefficient clearance of or failure to …