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Donato L, Scimone C, Alibrandi S, Scalinci SZ, Mordà D, Rinaldi C, D'Angelo R, Sidoti A. Human retinal secretome: A cross-link between mesenchymal and retinal cells. World J Stem Cells 2023; 15:665-686. [PMID: 37545752 PMCID: PMC10401416 DOI: 10.4252/wjsc.v15.i7.665] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/17/2023] [Accepted: 04/10/2023] [Indexed: 07/25/2023] Open
Abstract
In recent years, mesenchymal stem cells (MSC) have been considered the most effective source for regenerative medicine, especially due to released soluble paracrine bioactive components and extracellular vesicles. These factors, collectively called the secretome, play crucial roles in immunomodulation and in improving survival and regeneration capabilities of injured tissue. Recently, there has been a growing interest in the secretome released by retinal cytotypes, especially retinal pigment epithelium and Müller glia cells. The latter trophic factors represent the key to preserving morphofunctional integrity of the retina, regulating biological pathways involved in survival, function and responding to injury. Furthermore, these factors can play a pivotal role in onset and progression of retinal diseases after damage of cell secretory function. In this review, we delineated the importance of cross-talk between MSCs and retinal cells, focusing on common/induced secreted factors, during experimental therapy for retinal diseases. The cross-link between the MSC and retinal cell secretomes suggests that the MSC secretome can modulate the retinal cell secretome and vice versa. For example, the MSC secretome can protect retinal cells from degeneration by reducing oxidative stress, autophagy and programmed cell death. Conversely, the retinal cell secretome can influence the MSC secretome by inducing changes in MSC gene expression and phenotype.
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Affiliation(s)
- Luigi Donato
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
- Department of Biomolecular Strategies, Genetics and Cutting-Edge Therapies, Euro-Mediterranean Institute of Science and Technology, Palermo 90139, Italy
| | - Concetta Scimone
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
- Department of Biomolecular Strategies, Genetics and Cutting-Edge Therapies, Euro-Mediterranean Institute of Science and Technology, Palermo 90139, Italy
| | - Simona Alibrandi
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
- Department of Biomolecular Strategies, Genetics and Cutting-Edge Therapies, Euro-Mediterranean Institute of Science and Technology, Palermo 90139, Italy
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina 98125, Italy
| | | | - Domenico Mordà
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
- Department of Biomolecular Strategies, Genetics and Cutting-Edge Therapies, Euro-Mediterranean Institute of Science and Technology, Palermo 90139, Italy
| | - Carmela Rinaldi
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
| | - Rosalia D'Angelo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
| | - Antonina Sidoti
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina 98125, Italy
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Sackmann-Sala L, Guidotti JE, Goffin V. Minireview: prolactin regulation of adult stem cells. Mol Endocrinol 2015; 29:667-81. [PMID: 25793405 DOI: 10.1210/me.2015-1022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Adult stem/progenitor cells are found in many tissues, where their primary role is to maintain homeostasis. Recent studies have evaluated the regulation of adult stem/progenitor cells by prolactin in various target tissues or cell types, including the mammary gland, the prostate, the brain, the bone marrow, the hair follicle, and colon cancer cells. Depending on the tissue, prolactin can either maintain stem cell quiescence or, in contrast, promote stem/progenitor cell expansion and push their progeny towards differentiation. In many instances, whether these effects are direct or involve paracrine regulators remains debated. This minireview aims to overview the current knowledge in the field.
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Affiliation(s)
- Lucila Sackmann-Sala
- Institut Necker Enfants Malades, Inserm Unité1151, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 8253, Team Prolactin/Growth Hormone Pathophysiology, Faculty of Medicine, University Paris Descartes, Sorbonne Paris Cité, 75014 Paris, France
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Meng MY, Pang W, Jiang LH, Liu YH, Wei CY, Xie YH, Yu HD, Hou ZL. Stemness gene expression profile analysis in human umbilical cord mesenchymal stem cells. Exp Biol Med (Maywood) 2012; 237:709-19. [PMID: 22728706 DOI: 10.1258/ebm.2012.011429] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Umbilical cord mesenchymal stem cells (UC-MSCs) have several advantages for clinical therapy: the material is easily obtainable, the donation procedure is painless and there is low risk of viral contamination. UC-MSCs play important roles in tissue regeneration, tissue damage repair, autoimmune disease and graft-versus-host disease. In this study, we investigated the normal mRNA expression profile of UC-MSCs, and analyzed the candidate proteins responsible for the signaling pathway that may affect the differentiation characteristics of UC-MSCs. UC-MSCs were isolated by mincing UC samples into fragments and placing them in growth medium in a six-well plate. The immunophenotype characteristics and multilineage differentiation potential of the UC-MSCs were measured by flow cytometry and immunohistochemical assays. In addition, the pathway-focused gene expression profile of UC-MSCs was compared with those of normal or tumorous cells by realtime quantitative polymerase chain reaction. We successfully isolated and cultured UC-MSCs and analyzed the appropriate surface markers and their capacity for osteogenic, adipogenic and neural differentiation. In total, 168 genes focusing on signal pathways were examined. We found that the expression levels of some genes were much higher or lower than those of control cells, either normal or tumorous. UC-MSCs exhibit a unique mRNA expression profile of pathway-focused genes, especially some stemness genes, which warrants further investigation.
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Affiliation(s)
- Ming-Yao Meng
- Research Laboratory Center, Yan'an Hospital of Kunming Medical University, Kunming, Yunnan 650051, China
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