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Markitantova Y, Fokin A, Boguslavsky D, Simirskii V, Kulikov A. Molecular Signatures Integral to Natural Reprogramming in the Pigment Epithelium Cells after Retinal Detachment in Pleurodeles waltl. Int J Mol Sci 2023; 24:16940. [PMID: 38069262 PMCID: PMC10707686 DOI: 10.3390/ijms242316940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
The reprogramming of retinal pigment epithelium (RPE) cells into retinal cells (transdifferentiation) lies in the bases of retinal regeneration in several Urodela. The identification of the key genes involved in this process helps with looking for approaches to the prevention and treatment of RPE-related degenerative diseases of the human retina. The purpose of our study was to examine the transcriptome changes at initial stages of RPE cell reprogramming in adult newt Pleurodeles waltl. RPE was isolated from the eye samples of day 0, 4, and 7 after experimental surgical detachment of the neural retina and was used for a de novo transcriptome assembly through the RNA-Seq method. A total of 1019 transcripts corresponding to the differently expressed genes have been revealed in silico: the 83 increased the expression at an early stage, and 168 increased the expression at a late stage of RPE reprogramming. We have identified up-regulation of classical early response genes, chaperones and co-chaperones, genes involved in the regulation of protein biosynthesis, suppressors of oncogenes, and EMT-related genes. We revealed the growth in the proportion of down-regulated ribosomal and translation-associated genes. Our findings contribute to revealing the molecular mechanism of RPE reprogramming in Urodela.
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Affiliation(s)
| | | | | | - Vladimir Simirskii
- Koltsov Institute of Developmental Biology, Russian Academy of Sciences, 119334 Moscow, Russia; (Y.M.); (A.K.)
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Tilley L, Papadopoulos SC, Pende M, Fei JF, Murawala P. The use of transgenics in the laboratory axolotl. Dev Dyn 2022; 251:942-956. [PMID: 33949035 PMCID: PMC8568732 DOI: 10.1002/dvdy.357] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 03/10/2021] [Accepted: 04/29/2021] [Indexed: 11/09/2022] Open
Abstract
The ability to generate transgenic animals sparked a wave of research committed to implementing such technology in a wide variety of model organisms. Building a solid base of ubiquitous and tissue-specific reporter lines has set the stage for later interrogations of individual cells or genetic elements. Compared to other widely used model organisms such as mice, zebrafish and fruit flies, there are only a few transgenic lines available in the laboratory axolotl (Ambystoma mexicanum), although their number is steadily expanding. In this review, we discuss a brief history of the transgenic methodologies in axolotl and their advantages and disadvantages. Next, we discuss available transgenic lines and insights we have been able to glean from them. Finally, we list challenges when developing transgenic axolotl, and where further work is needed in order to improve their standing as both a developmental and regenerative model.
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Affiliation(s)
- Lydia Tilley
- Mount Desert Island Biological Laboratory (MDIBL), Salisbury Cove, Maine
| | - Sofia-Christina Papadopoulos
- Mount Desert Island Biological Laboratory (MDIBL), Salisbury Cove, Maine
- Clinic for Kidney and Hypertension Diseases, Hannover Medical School, Hannover, Germany
| | - Marko Pende
- Mount Desert Island Biological Laboratory (MDIBL), Salisbury Cove, Maine
| | - Ji-Feng Fei
- Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
- Institute for Brain Research and Rehabilitation, South China Normal University, Guangzhou, China
| | - Prayag Murawala
- Mount Desert Island Biological Laboratory (MDIBL), Salisbury Cove, Maine
- Clinic for Kidney and Hypertension Diseases, Hannover Medical School, Hannover, Germany
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Yun MH, Hayashi T, Simon A. Standardized gene and genetic nomenclature for the newt Pleurodeles waltl. Dev Dyn 2021; 251:911-912. [PMID: 33908668 DOI: 10.1002/dvdy.355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/19/2021] [Indexed: 11/09/2022] Open
Affiliation(s)
- Maximina H Yun
- CRTD-Center for Regenerative Therapies TU Dresden, Dresden, Germany.,Max Planck Institute of Molecular Cellular Biology and Genetics, Dresden, Germany
| | - Toshinori Hayashi
- Amphibian Research Center, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan.,Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima, Hiroshima, Japan
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Daponte V, Tylzanowski P, Forlino A. Appendage Regeneration in Vertebrates: What Makes This Possible? Cells 2021; 10:cells10020242. [PMID: 33513779 PMCID: PMC7911911 DOI: 10.3390/cells10020242] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/18/2021] [Accepted: 01/22/2021] [Indexed: 12/26/2022] Open
Abstract
The ability to regenerate amputated or injured tissues and organs is a fascinating property shared by several invertebrates and, interestingly, some vertebrates. The mechanism of evolutionary loss of regeneration in mammals is not understood, yet from the biomedical and clinical point of view, it would be very beneficial to be able, at least partially, to restore that capability. The current availability of new experimental tools, facilitating the comparative study of models with high regenerative ability, provides a powerful instrument to unveil what is needed for a successful regeneration. The present review provides an updated overview of multiple aspects of appendage regeneration in three vertebrates: lizard, salamander, and zebrafish. The deep investigation of this process points to common mechanisms, including the relevance of Wnt/β-catenin and FGF signaling for the restoration of a functional appendage. We discuss the formation and cellular origin of the blastema and the identification of epigenetic and cellular changes and molecular pathways shared by vertebrates capable of regeneration. Understanding the similarities, being aware of the differences of the processes, during lizard, salamander, and zebrafish regeneration can provide a useful guide for supporting effective regenerative strategies in mammals.
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Affiliation(s)
- Valentina Daponte
- Biochemistry Unit, Department of Molecular Medicine, University of Pavia, via Taramelli 3/B, 27100 Pavia, Italy;
| | - Przemko Tylzanowski
- Skeletal Biology and Engineering Research Center, Department of Development and Regeneration, University of Leuven, 3000 Leuven, Belgium;
- Department of Biochemistry and Molecular Biology, Medical University of Lublin, 20-059 Lublin, Poland
| | - Antonella Forlino
- Biochemistry Unit, Department of Molecular Medicine, University of Pavia, via Taramelli 3/B, 27100 Pavia, Italy;
- Correspondence: ; Tel.: +39-0382-987235
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Joven A, Elewa A, Simon A. Model systems for regeneration: salamanders. Development 2019; 146:146/14/dev167700. [PMID: 31332037 DOI: 10.1242/dev.167700] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 05/28/2019] [Indexed: 02/03/2023]
Abstract
Salamanders have been hailed as champions of regeneration, exhibiting a remarkable ability to regrow tissues, organs and even whole body parts, e.g. their limbs. As such, salamanders have provided key insights into the mechanisms by which cells, tissues and organs sense and regenerate missing or damaged parts. In this Primer, we cover the evolutionary context in which salamanders emerged. We outline the varieties of mechanisms deployed during salamander regeneration, and discuss how these mechanisms are currently being explored and how they have advanced our understanding of animal regeneration. We also present arguments about why it is important to study closely related species in regeneration research.
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Affiliation(s)
- Alberto Joven
- Karolinska Institute, Department of Cell and Molecular Biology, Biomedicum, Solnavägen 9, 17163 Stockolm, Sweden
| | - Ahmed Elewa
- Karolinska Institute, Department of Cell and Molecular Biology, Biomedicum, Solnavägen 9, 17163 Stockolm, Sweden
| | - András Simon
- Karolinska Institute, Department of Cell and Molecular Biology, Biomedicum, Solnavägen 9, 17163 Stockolm, Sweden
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Vergara MN, Tsissios G, Del Rio-Tsonis K. Lens regeneration: a historical perspective. THE INTERNATIONAL JOURNAL OF DEVELOPMENTAL BIOLOGY 2019; 62:351-361. [PMID: 29877565 PMCID: PMC6378223 DOI: 10.1387/ijdb.180084nv] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The idea of regenerating injured body parts has captivated human imagination for centuries, and the topic still remains an area of extensive scientific research. This review focuses on the process of lens regeneration: its history, our current knowledge, and the questions that remain unanswered. By highlighting some of the milestones that have shaped our understanding of this phenomenon and the contributions of scientists who have dedicated their lives to investigating these questions, we explore how regeneration enquiry evolved into the science it is today, and how technological advances accelerated our understanding of these remarkable processes.
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Affiliation(s)
- M Natalia Vergara
- Department of Ophthalmology, University of Colorado Denver School of Medicine, Aurora, CO, USA
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Suzuki M, Hayashi T, Inoue T, Agata K, Hirayama M, Suzuki M, Shigenobu S, Takeuchi T, Yamamoto T, Suzuki KIT. Cas9 ribonucleoprotein complex allows direct and rapid analysis of coding and noncoding regions of target genes in Pleurodeles waltl development and regeneration. Dev Biol 2018; 443:127-136. [DOI: 10.1016/j.ydbio.2018.09.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 09/07/2018] [Accepted: 09/07/2018] [Indexed: 12/14/2022]
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Joven A, Simon A. Homeostatic and regenerative neurogenesis in salamanders. Prog Neurobiol 2018; 170:81-98. [PMID: 29654836 DOI: 10.1016/j.pneurobio.2018.04.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 03/20/2018] [Accepted: 04/07/2018] [Indexed: 01/02/2023]
Abstract
Large-scale regeneration in the adult central nervous system is a unique capacity of salamanders among tetrapods. Salamanders can replace neuronal populations, repair damaged nerve fibers and restore tissue architecture in retina, brain and spinal cord, leading to functional recovery. The underlying mechanisms have long been difficult to study due to the paucity of available genomic tools. Recent technological progress, such as genome sequencing, transgenesis and genome editing provide new momentum for systematic interrogation of regenerative processes in the salamander central nervous system. Understanding central nervous system regeneration also entails designing the appropriate molecular, cellular, and behavioral assays. Here we outline the organization of salamander brain structures. With special focus on ependymoglial cells, we integrate cellular and molecular processes of neurogenesis during developmental and adult homeostasis as well as in various injury models. Wherever possible, we correlate developmental and regenerative neurogenesis to the acquisition and recovery of behaviors. Throughout the review we place the findings into an evolutionary context for inter-species comparisons.
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Affiliation(s)
- Alberto Joven
- Department of Cell and Molecular Biology, Karolinska Institute, Berzelius väg 35, 17177, Stockholm, Sweden.
| | - András Simon
- Department of Cell and Molecular Biology, Karolinska Institute, Berzelius väg 35, 17177, Stockholm, Sweden.
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