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Research on Molecular Chaperones: Role and Targeting in Health and Disease

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Macromolecules".

Deadline for manuscript submissions: closed (17 December 2021) | Viewed by 17647

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Department of Biomedicine, Neurosciences and advanced Diagnostics (BiND), University of Palermo, Palermo, Italy
Interests: molecular chaperones; heat shock proteins; post-translational modification; cell biology; tissue homeostasis; cancerogenesis; neurodegeneration; bioinformatics; anatomy
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Special Issue Information

Dear Colleagues,

We are pleased to invite you to submit original articles to a Special Issue entitled “Research on molecular chaperones: role and targeting in health and disease”.

Molecular chaperones, most of which are heat shock proteins (HSPs), are part of phylogenetically related families and are essential in living cells. Molecular chaperones play a variety of roles, including assisting the folding of nascent polypeptides, supporting protein reparation or degradation, and driving protein translocation through membranes. Chaperones are induced after stress, which changes their localization and function. For example, they can be expressed in cell membranes or secreted extracellularly where they may interact with the immune system.

Due to the central role of molecular chaperones in different biological processes, their dysregulation or malfunction may cause several diseases. The goal of this Special Issue is to collect original research papers, reviews that focus on the role of molecular chaperones in human diseases and highlight the diagnostic and therapeutic applications of these chaperones.

Dr. Antonella Marino Gammazza

Dr. Celeste Caruso Bavisotto

Guest Editors

Keywords

  • Molecular chaperones
  • Lipidic chaperones
  • Heat shock proteins
  • Extracellular chaperones
  • Extracellular vesicles
  • Chronic diseases
  • Tissue homeostasis
  • Biomedicine
  • Translational medicine
  • Bioinformatics

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Published Papers (5 papers)

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Research

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13 pages, 4010 KiB  
Article
miR-29b Regulates TGF-β1-Induced Epithelial–Mesenchymal Transition by Inhibiting Heat Shock Protein 47 Expression in Airway Epithelial Cells
by Jae-Min Shin, Joo-Hoo Park, Hyun-Woo Yang, Jee Won Moon, Heung-Man Lee and Il-Ho Park
Int. J. Mol. Sci. 2021, 22(21), 11535; https://doi.org/10.3390/ijms222111535 - 26 Oct 2021
Cited by 4 | Viewed by 2177
Abstract
Tissue remodeling contributes to ongoing inflammation and refractoriness of chronic rhinosinusitis (CRS). During this process, epithelial-mesenchymal transition (EMT) plays an important role in dysregulated remodeling and both microRNA (miR)-29b and heat shock protein 47 (HSP47) may be engaged in the pathophysiology of CRS. [...] Read more.
Tissue remodeling contributes to ongoing inflammation and refractoriness of chronic rhinosinusitis (CRS). During this process, epithelial-mesenchymal transition (EMT) plays an important role in dysregulated remodeling and both microRNA (miR)-29b and heat shock protein 47 (HSP47) may be engaged in the pathophysiology of CRS. This study aimed to determine the role of miR-29b and HSP47 in modulating transforming growth factor (TGF)-β1-induced EMT and migration in airway epithelial cells. Expression levels of miR-29b, HSP47, E-cadherin, α-smooth muscle actin (α-SMA), vimentin and fibronectin were assessed through real-time PCR, Western blotting, and immunofluorescence staining. Small interfering RNA (siRNA) targeted against miR-29b and HSP47 were transfected to regulate the expression of EMT-related markers. Cell migration was evaluated with wound scratch and transwell migration assay. miR-29b mimic significantly inhibited the expression of HSP47 and TGF-β1-induced EMT-related markers in A549 cells. However, the miR-29b inhibitor more greatly induced the expression of them. HSP47 knockout suppressed TGF-β1-induced EMT marker levels. Functional studies indicated that TGF-β1-induced EMT was regulated by miR-29b and HSP47 in A549 cells. These findings were further verified in primary nasal epithelial cells. miR-29b modulated TGF-β1-induced EMT-related markers and migration via HSP47 expression modulation in A549 and primary nasal epithelial cells. These results suggested the importance of miR-29b and HSP47 in pathologic tissue remodeling progression in CRS. Full article
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Review

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14 pages, 1389 KiB  
Review
Exploring the Role of Hsp60 in Alzheimer’s Disease and Type 2 Diabetes: Suggestion for Common Drug Targeting
by Stefania Zimbone, Maria Carmela Di Rosa, Santina Chiechio and Maria Laura Giuffrida
Int. J. Mol. Sci. 2023, 24(15), 12456; https://doi.org/10.3390/ijms241512456 - 5 Aug 2023
Cited by 5 | Viewed by 1978
Abstract
Heat shock protein 60 (Hsp60) is a member of the chaperonin family of heat shock proteins (HSPs), primarily found in the mitochondrial matrix. As a molecular chaperone, Hsp60 plays an essential role in mediating protein folding and assembly, and together with the co-chaperon [...] Read more.
Heat shock protein 60 (Hsp60) is a member of the chaperonin family of heat shock proteins (HSPs), primarily found in the mitochondrial matrix. As a molecular chaperone, Hsp60 plays an essential role in mediating protein folding and assembly, and together with the co-chaperon Hsp10, it is thought to maintain protein homeostasis. Recently, it has been found to localize in non-canonical, extra-mitochondrial sites such as cell membranes or extracellular fluids, particularly in pathological conditions. Starting from its biological function, this review aims to provide a comprehensive understanding of the potential involvement of Hsp60 in Alzheimer’s disease (AD) and Type II Diabetes Mellitus (T2DM), which are known to share impaired key pathways and molecular dysfunctions. Fragmentary data reported in the literature reveal interesting links between the altered expression level or localization of this chaperonin and several disease conditions. The present work offers an overview of the past and more recent knowledge about Hsp60 and its role in the most important cellular processes to shed light on neuronal Hsp60 as a potential common target for both pathologies. The absence of any effective cure for AD patients makes the identification of a new molecular target a promising path by which to move forward in the development of new drugs and/or repositioning of therapies already used for T2DM. Full article
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10 pages, 1165 KiB  
Review
Chaperone Therapy in Fabry Disease
by Frank Weidemann, Ana Jovanovic, Ken Herrmann and Irfan Vardarli
Int. J. Mol. Sci. 2022, 23(3), 1887; https://doi.org/10.3390/ijms23031887 - 8 Feb 2022
Cited by 36 | Viewed by 5353
Abstract
Fabry disease is an X-linked lysosomal multisystem storage disorder induced by a mutation in the alpha-galactosidase A (GLA) gene. Reduced activity or deficiency of alpha-galactosidase A (AGAL) leads to escalating storage of intracellular globotriaosylceramide (GL-3) in numerous organs, including the kidneys, heart and [...] Read more.
Fabry disease is an X-linked lysosomal multisystem storage disorder induced by a mutation in the alpha-galactosidase A (GLA) gene. Reduced activity or deficiency of alpha-galactosidase A (AGAL) leads to escalating storage of intracellular globotriaosylceramide (GL-3) in numerous organs, including the kidneys, heart and nerve system. The established treatment for 20 years is intravenous enzyme replacement therapy. Lately, oral chaperone therapy was introduced and is a therapeutic alternative in patients with amenable mutations. Early starting of therapy is essential for long-term improvement. This review describes chaperone therapy in Fabry disease. Full article
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15 pages, 14573 KiB  
Review
Molecular Chaperones and miRNAs in Epilepsy: Pathogenic Implications and Therapeutic Prospects
by Leila Zummo, Alessandra Maria Vitale, Celeste Caruso Bavisotto, Marco De Curtis, Rita Garbelli, Anna Teresa Giallonardo, Carlo Di Bonaventura, Martina Fanella, Everly Conway de Macario, Francesco Cappello, Alberto J. L. Macario and Antonella Marino Gammazza
Int. J. Mol. Sci. 2021, 22(16), 8601; https://doi.org/10.3390/ijms22168601 - 10 Aug 2021
Cited by 7 | Viewed by 3028
Abstract
Epilepsy is a pathologic condition with high prevalence and devastating consequences for the patient and its entourage. Means for accurate diagnosis of type, patient monitoring for predicting seizures and follow up, and efficacious treatment are desperately needed. To improve this adverse outcome, miRNAs [...] Read more.
Epilepsy is a pathologic condition with high prevalence and devastating consequences for the patient and its entourage. Means for accurate diagnosis of type, patient monitoring for predicting seizures and follow up, and efficacious treatment are desperately needed. To improve this adverse outcome, miRNAs and the chaperone system (CS) are promising targets to understand pathogenic mechanisms and for developing theranostics applications. miRNAs implicated in conditions known or suspected to favor seizures such as neuroinflammation, to promote epileptic tolerance and neuronal survival, to regulate seizures, and others showing variations in expression levels related to seizures are promising candidates as useful biomarkers for diagnosis and patient monitoring, and as targets for developing novel therapies. Components of the CS are also promising as biomarkers and as therapeutic targets, since they participate in epileptogenic pathways and in cytoprotective mechanisms in various epileptogenic brain areas, even if what they do and how is not yet clear. The data in this review should help in the identification of molecular targets among the discussed miRNAs and CS components for research aiming at understanding epileptogenic mechanisms and, subsequently, develop means for predicting/preventing seizures and treating the disease. Full article
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12 pages, 1104 KiB  
Review
Hsp100 Molecular Chaperone ClpB and Its Role in Virulence of Bacterial Pathogens
by Sabina Kędzierska-Mieszkowska and Michal Zolkiewski
Int. J. Mol. Sci. 2021, 22(10), 5319; https://doi.org/10.3390/ijms22105319 - 18 May 2021
Cited by 8 | Viewed by 4054
Abstract
This review focuses on the molecular chaperone ClpB that belongs to the Hsp100/Clp subfamily of the AAA+ ATPases and its biological function in selected bacterial pathogens, causing a variety of human infectious diseases, including zoonoses. It has been established that ClpB disaggregates and [...] Read more.
This review focuses on the molecular chaperone ClpB that belongs to the Hsp100/Clp subfamily of the AAA+ ATPases and its biological function in selected bacterial pathogens, causing a variety of human infectious diseases, including zoonoses. It has been established that ClpB disaggregates and reactivates aggregated cellular proteins. It has been postulated that ClpB’s protein disaggregation activity supports the survival of pathogenic bacteria under host-induced stresses (e.g., high temperature and oxidative stress), which allows them to rapidly adapt to the human host and establish infection. Interestingly, ClpB may also perform other functions in pathogenic bacteria, which are required for their virulence. Since ClpB is not found in human cells, this chaperone emerges as an attractive target for novel antimicrobial therapies in combating bacterial infections. Full article
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