The functions and regulation of heat shock proteins; key orchestrators of proteostasis and the heat shock response

BJ Lang, ME Guerrero, TL Prince, Y Okusha… - Archives of …, 2021 - Springer
Cells respond to protein-damaging (proteotoxic) stress by activation of the Heat Shock
Response (HSR). The HSR provides cells with an enhanced ability to endure proteotoxic …

[HTML][HTML] The interactions of molecular chaperones with client proteins: why are they so weak?

T Arhar, A Shkedi, CM Nadel, JE Gestwicki - Journal of Biological Chemistry, 2021 - Elsevier
The major classes of molecular chaperones have highly variable sequences, sizes, and
shapes, yet they all bind to unfolded proteins, limit their aggregation, and assist in their …

Systems-level analyses of protein-protein interaction network dysfunctions via epichaperomics identify cancer-specific mechanisms of stress adaptation

A Rodina, C Xu, CS Digwal, S Joshi, Y Patel… - Nature …, 2023 - nature.com
Abstract Systems-level assessments of protein-protein interaction (PPI) network dysfunctions
are currently out-of-reach because approaches enabling proteome-wide identification …

Tracing genetic diversity captures the molecular basis of misfolding disease

P Zhao, C Wang, S Sun, X Wang, WE Balch - Nature Communications, 2024 - nature.com
Genetic variation in human populations can result in the misfolding and aggregation of
proteins, giving rise to systemic and neurodegenerative diseases that require management …

[HTML][HTML] Hsp90: from cellular to organismal proteostasis

M Somogyvári, S Khatatneh, C Sőti - Cells, 2022 - mdpi.com
Assuring a healthy proteome is indispensable for survival and organismal health. Proteome
disbalance and the loss of the proteostasis buffer are hallmarks of various diseases. The …

The epichaperome is a mediator of toxic hippocampal stress and leads to protein connectivity-based dysfunction

MC Inda, S Joshi, T Wang, A Bolaender… - Nature …, 2020 - nature.com
Optimal functioning of neuronal networks is critical to the complex cognitive processes of
memory and executive function that deteriorate in Alzheimer's disease (AD). Here we use …

Chemical tools for epichaperome-mediated interactome dysfunctions of the central nervous system

A Bolaender, D Zatorska, H He, S Joshi… - Nature …, 2021 - nature.com
Diseases are a manifestation of how thousands of proteins interact. In several diseases,
such as cancer and Alzheimer's disease, proteome-wide disturbances in protein-protein …

The penalty of stress‐Epichaperomes negatively resha** the brain in neurodegenerative disorders

SD Ginsberg, S Joshi, S Sharma… - Journal of …, 2021 - Wiley Online Library
Adaptation to acute and chronic stress and/or persistent stressors is a subject of wide
interest in central nervous system disorders. In this context, stress is an effector of change in …

Autophagy, molecular chaperones, and unfolded protein response as promoters of tumor recurrence

B Alhasan, M Mikeladze, I Guzhova… - Cancer and Metastasis …, 2023 - Springer
Tumor recurrence is a paradoxical function of a machinery, whereby a small proportion of
the cancer cell population enters a resistant, dormant state, persists long-term in this …

Paradigms for precision medicine in epichaperome cancer therapy

N Pillarsetty, K Jhaveri, T Taldone, E Caldas-Lopes… - Cancer Cell, 2019 - cell.com
Alterations in protein-protein interaction networks are at the core of malignant transformation
but have yet to be translated into appropriate diagnostic tools. We make use of the kinetic …