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Cells
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The Ubiquitin–Proteasome System (UPS): Signaling Processes and Targeted Protein Degradation
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The Ubiquitin–Proteasome System (UPS): Signaling Processes and Targeted Protein Degradation

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cell Signaling".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 3889

Special Issue Editor

Dr. Bernat Crosas

E-Mail Website
Guest Editor
Molecular Biology Institute of Barcelona (IBMB), Spanish National Research Council (CSIC), Barcelona Science Park, 08028 Barcelona, Spain
Interests: proteasome; ubiquitin; proteolytic chimeras; targeted protein degradation; bispecific and multi-specific degraders

Special Issue Information

Dear Colleagues,

This Special Issue of Cells on “The Ubiquitin–Proteasome System (UPS): Signaling Processes and Targeted Protein Degradation” offers scholars the opportunity to publish research articles and reviews on proximity-based chimeras and molecular glues, one of the most expanding fields in innovative therapies. This Special Issue envisions the mechanistic basis of targeted protein degradation, placing the focus, not only on the main actors in UPS, ubiquitin ligases, but also on other key regulators such as deubiquitinating enzymes, adaptor proteins and all the factors that make the UPS one of the most complex systems in cells. Beyond that, we are interested in all proximity-based approaches that focus on highly specific therapeutic strategies, linked to targeted protein degradation. Chimeras directed towards autophagy or endocytic internalization for lysosomal degradation, novel biorthogonal approaches, innovative bispecific and multi-specific strategies are also welcome in the Special Issue.  We look forward to your contributions!

Dr. Bernat Crosas
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Cells is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • ubiquitin–proteasome system
  • ubiquitin ligases
  • targeted protein degradation
  • bispecific chimeras
  • novel chimera approaches

Published Papers (2 papers)

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Research

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15 pages, 3366 KiB  
Article
Diallyl Trisulfide Causes Male Infertility with Oligoasthenoteratospermia in Sitotroga cerealella through the Ubiquitin–Proteasome Pathway
by Sakhawat Shah, Karam Khamis Elgizawy, Meng-Ya Wu, Hucheng Yao, Wen-Han Yan, Yu Li, Xiao-Ping Wang, Gang Wu and Feng-Lian Yang
Cells 2023, 12(20), 2507; https://doi.org/10.3390/cells12202507 - 23 Oct 2023
Viewed by 967
Abstract
Essential oils extracted from plant sources along with their biologically active components may have negative effects on insects. Diallyl trisulfide (DAT) is an active component of garlic essential oil, and it exhibits multi-targeted activity against many organisms. Previously we reported that DAT induces [...] Read more.
Essential oils extracted from plant sources along with their biologically active components may have negative effects on insects. Diallyl trisulfide (DAT) is an active component of garlic essential oil, and it exhibits multi-targeted activity against many organisms. Previously we reported that DAT induces male infertility and leads to apyrene and eupyrene sperm dysfunction in Sitotroga cerealella. In this study, we conducted an analysis of testis-specific RNA-Seq data and identified 449 downregulated genes and 60 upregulated genes in the DAT group compared to the control group. The downregulated genes were significantly enriched in the ubiquitin–proteasome pathway. Furthermore, DAT caused a significant reduction in mRNA expression of proteasome regulatory subunit particles required for ATP-dependent degradation of ubiquitinated proteins as well as decreased the expression profile of proteasome core particles, including β1, β2, and β5. Sperm physiological analysis showed that DAT decreased the chymotrypsin-like activity of the 20S proteasome and formed aggresomes in spermatozoa. Overall, our findings suggest that DAT impairs the testis proteasome, ultimately causing male infertility characterized by oligoasthenoteratospermia due to disruption in sperm proteasome assembly in S. cerealella. Full article
(This article belongs to the Special Issue The Ubiquitin–Proteasome System (UPS): Signaling Processes and Targeted Protein Degradation)
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Review

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37 pages, 1892 KiB  
Review
Breaking Bad Proteins—Discovery Approaches and the Road to Clinic for Degraders
by Corentin Bouvier, Rachel Lawrence, Francesca Cavallo, Wendy Xolalpa, Allan Jordan, Roland Hjerpe and Manuel S. Rodriguez
Cells 2024, 13(7), 578; https://doi.org/10.3390/cells13070578 - 26 Mar 2024
Viewed by 2386
Abstract
Proteolysis-targeting chimeras (PROTACs) describe compounds that bind to and induce degradation of a target by simultaneously binding to a ubiquitin ligase. More generally referred to as bifunctional degraders, PROTACs have led the way in the field of targeted protein degradation (TPD), with several [...] Read more.
Proteolysis-targeting chimeras (PROTACs) describe compounds that bind to and induce degradation of a target by simultaneously binding to a ubiquitin ligase. More generally referred to as bifunctional degraders, PROTACs have led the way in the field of targeted protein degradation (TPD), with several compounds currently undergoing clinical testing. Alongside bifunctional degraders, single-moiety compounds, or molecular glue degraders (MGDs), are increasingly being considered as a viable approach for development of therapeutics, driven by advances in rational discovery approaches. This review focuses on drug discovery with respect to bifunctional and molecular glue degraders within the ubiquitin proteasome system, including analysis of mechanistic concepts and discovery approaches, with an overview of current clinical and pre-clinical degrader status in oncology, neurodegenerative and inflammatory disease. Full article
(This article belongs to the Special Issue The Ubiquitin–Proteasome System (UPS): Signaling Processes and Targeted Protein Degradation)
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