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Endogenous Opioids in Stem Cell Development, Stress, and Aging

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

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 3172

Special Issue Editors


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Guest Editor
Department of Medical and Surgical Sciences, School of Medicine, University of Bologna, Via G. Massarenti 9, 40138 Bologna, Italy
Interests: human mesenchymal stem cells; physical energies; regenerative medicine
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Guest Editor
Department of Experimental, Diagnostic and Specialty Medicine (DIMES), Unit of Histology, Embryology and Applied Biology, University of Bologna, Via Belmeloro 8, 40126 Bologna, BO, Italy
Interests: human mesenchymal stem cells; cell senescence; cell biology; cell differentiation

Special Issue Information

Dear Colleagues,

After the medical use for thousands of years of the natural opiates for the relief of pain and sedation, the search for endogenous ligands for the same receptors led to the discovery of the first two related pentapeptides (enkephalins) in 1975. Subsequently, a plethora of other endogenous opioid peptides were identified, including the four major families of endogenous opioid ligands: β-endorphins, enkephalins, dynorphins, and nociceptin/orphanin FQ.

The endogenous opioid system has received considerable attention and extensive research primarily for its effects on pain, pleasure, and reward. Additionally, endogenous opioids have been shown to play a vital role in regulating numerous physiologic functions such as euphoria induction, stress resilience, cardiovascular protection, food intake control, and many others.

The role of endogenous opioids in stem cell biology has also been investigated, although not as extensively.

Nevertheless, there is increasing evidence that endogenous opioids play a multifaceted role in cellular adaptive mechanisms, including stress response, cell survival, cell protection, inflammation, apoptosis and differentiation. Given these diversified roles of endogenous opioids, and the relevance of stem cells in self-healing processes and regenerative medicine, this Special Issue aims to provide a platform for a deeper understanding of the function of endogenous opioids in stem cell patterning, particularly during cell development, aging and cell senescence, as well as under stress conditions. Research articles, review articles, as well as short communications, are invited. 

Prof. Dr. Carlo Ventura
Prof. Dr. Silvia Canaider
Guest Editors

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Keywords

  • stem cells
  • development
  • differentiation
  • regeneration
  • stress
  • senescence/aging
  • inflammation, survival
  • apoptosis

Published Papers (1 paper)

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Review

25 pages, 2474 KiB  
Review
Endogenous Opioids and Their Role in Stem Cell Biology and Tissue Rescue
by Giovannamaria Petrocelli, Luca Pampanella, Provvidenza M. Abruzzo, Carlo Ventura, Silvia Canaider and Federica Facchin
Int. J. Mol. Sci. 2022, 23(7), 3819; https://0-doi-org.brum.beds.ac.uk/10.3390/ijms23073819 - 30 Mar 2022
Cited by 5 | Viewed by 2744
Abstract
Opioids are considered the oldest drugs known by humans and have been used for sedation and pain relief for several centuries. Nowadays, endogenous opioid peptides are divided into four families: enkephalins, dynorphins, endorphins, and nociceptin/orphanin FQ. They exert their action through the opioid [...] Read more.
Opioids are considered the oldest drugs known by humans and have been used for sedation and pain relief for several centuries. Nowadays, endogenous opioid peptides are divided into four families: enkephalins, dynorphins, endorphins, and nociceptin/orphanin FQ. They exert their action through the opioid receptors (ORs), transmembrane proteins belonging to the super-family of G-protein-coupled receptors, and are expressed throughout the body; the receptors are the δ opioid receptor (DOR), μ opioid receptor (MOR), κ opioid receptor (KOR), and nociceptin/orphanin FQ receptor (NOP). Endogenous opioids are mainly studied in the central nervous system (CNS), but their role has been investigated in other organs, both in physiological and in pathological conditions. Here, we revise their role in stem cell (SC) biology, since these cells are a subject of great scientific interest due to their peculiar features and their involvement in cell-based therapies in regenerative medicine. In particular, we focus on endogenous opioids’ ability to modulate SC proliferation, stress response (to oxidative stress, starvation, or damage following ischemia–reperfusion), and differentiation towards different lineages, such as neurogenesis, vasculogenesis, and cardiogenesis. Full article
(This article belongs to the Special Issue Endogenous Opioids in Stem Cell Development, Stress, and Aging)
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