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Zheng K, Hao Y, Xia C, Cheng S, Yu J, Chen Z, Li Y, Niu Y, Ran S, Wang S, Ye W, Luo Z, Li X, Zhao J, Li R, Zong J, Zhang H, Lai L, Huang P, Zhou C, Xia J, Zhang X, Wu J. Effects and mechanisms of the myocardial microenvironment on cardiomyocyte proliferation and regeneration. Front Cell Dev Biol 2024; 12:1429020. [PMID: 39050889 PMCID: PMC11266095 DOI: 10.3389/fcell.2024.1429020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Accepted: 06/20/2024] [Indexed: 07/27/2024] Open
Abstract
The adult mammalian cardiomyocyte has a limited capacity for self-renewal, which leads to the irreversible heart dysfunction and poses a significant threat to myocardial infarction patients. In the past decades, research efforts have been predominantly concentrated on the cardiomyocyte proliferation and heart regeneration. However, the heart is a complex organ that comprises not only cardiomyocytes but also numerous noncardiomyocyte cells, all playing integral roles in maintaining cardiac function. In addition, cardiomyocytes are exposed to a dynamically changing physical environment that includes oxygen saturation and mechanical forces. Recently, a growing number of studies on myocardial microenvironment in cardiomyocyte proliferation and heart regeneration is ongoing. In this review, we provide an overview of recent advances in myocardial microenvironment, which plays an important role in cardiomyocyte proliferation and heart regeneration.
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Affiliation(s)
- Kexiao Zheng
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yanglin Hao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chenkun Xia
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoxian Cheng
- Jingshan Union Hospital, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jizhang Yu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhang Chen
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yuqing Niu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shuan Ran
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Song Wang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Weicong Ye
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zilong Luo
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaohan Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiulu Zhao
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ran Li
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Junjie Zong
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Han Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Longyong Lai
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pinyan Huang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cheng Zhou
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahong Xia
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xi Zhang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jie Wu
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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2
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Ren C, Wen Y, Zheng S, Zhao Z, Li EY, Zhao C, Liao M, Li L, Zhang X, Liu S, Yuan D, Luo K, Wang W, Fei J, Li S. Two transcriptional cascades orchestrate cockroach leg regeneration. Cell Rep 2024; 43:113889. [PMID: 38416646 DOI: 10.1016/j.celrep.2024.113889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 02/04/2024] [Accepted: 02/14/2024] [Indexed: 03/01/2024] Open
Abstract
The mystery of appendage regeneration has fascinated humans for centuries, while the underlying regulatory mechanisms remain unclear. In this study, we establish a transcriptional landscape of regenerating leg in the American cockroach, Periplaneta americana, an ideal model in appendage regeneration studies showing remarkable regeneration capacity. Through a large-scale in vivo screening, we identify multiple signaling pathways and transcription factors controlling leg regeneration. Specifically, zfh-2 and bowl contribute to blastema cell proliferation and morphogenesis in two transcriptional cascades: bone morphogenetic protein (BMP)/JAK-STAT-zfh-2-B-H2 and Notch-drm/bowl-bab1. Notably, we find zfh-2 is working as a direct target of BMP signaling to promote cell proliferation in the blastema. These mechanisms might be conserved in the appendage regeneration of vertebrates from an evolutionary perspective. Overall, our findings reveal that two crucial transcriptional cascades orchestrate distinct cockroach leg regeneration processes, significantly advancing the comprehension of molecular mechanism in appendage regeneration.
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Affiliation(s)
- Chonghua Ren
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China.
| | - Yejie Wen
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Shaojuan Zheng
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Zheng Zhao
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Ethan Yihao Li
- International Department, the Affiliated High School of South China Normal University, Guangzhou 510631, China
| | - Chenjing Zhao
- Department of Biology, Taiyuan Normal University, Jinzhong 030619, China
| | - Mingtao Liao
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Liang Li
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Xiaoshuai Zhang
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Suning Liu
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Dongwei Yuan
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Kai Luo
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China
| | - Wei Wang
- National Institute of Biological Sciences, Beijing 102206, China; Tsinghua Institute of Multidisciplinary Biomedical Research, Tsinghua University, Beijing 102206, China
| | - Jifeng Fei
- Department of Pathology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Sheng Li
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou 510631, China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510631, China; Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou 514779, China.
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3
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Wang T, Chen X, Wang K, Ju J, Yu X, Yu W, Liu C, Wang Y. Cardiac regeneration: Pre-existing cardiomyocyte as the hub of novel signaling pathway. Genes Dis 2024; 11:747-759. [PMID: 37692487 PMCID: PMC10491875 DOI: 10.1016/j.gendis.2023.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 01/22/2023] [Accepted: 01/30/2023] [Indexed: 09/12/2023] Open
Abstract
In the mammalian heart, cardiomyocytes are forced to withdraw from the cell cycle shortly after birth, limiting the ability of the heart to regenerate and repair. The development of multimodal regulation of cardiac proliferation has verified that pre-existing cardiomyocyte proliferation is an essential driver of cardiac renewal. With the continuous development of genetic lineage tracking technology, it has been revealed that cell cycle activity produces polyploid cardiomyocytes during the embryonic, juvenile, and adult stages of cardiogenesis, but newly formed mononucleated diploid cardiomyocytes also elevated sporadically during myocardial infarction. It implied that adult cardiomyocytes have a weak regenerative capacity under the condition of ischemia injury, which offers hope for the clinical treatment of myocardial infarction. However, the regeneration frequency and source of cardiomyocytes are still low, and the mechanism of regulating cardiomyocyte proliferation remains further explained. It is noteworthy to explore what force triggers endogenous cardiomyocyte proliferation and heart regeneration. Here, we focused on summarizing the recent research progress of emerging endogenous key modulators and crosstalk with other signaling pathways and furnished valuable insights into the internal mechanism of heart regeneration. In addition, myocardial transcription factors, non-coding RNAs, cyclins, and cell cycle-dependent kinases are involved in the multimodal regulation of pre-existing cardiomyocyte proliferation. Ultimately, awakening the myocardial proliferation endogenous modulator and regeneration pathways may be the final battlefield for the regenerative therapy of cardiovascular diseases.
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Affiliation(s)
- Tao Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Xinzhe Chen
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Kai Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Jie Ju
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Xue Yu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Wanpeng Yu
- College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Cuiyun Liu
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
| | - Yin Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, Shandong 266023, China
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4
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Weinberger M, Riley PR. Animal models to study cardiac regeneration. Nat Rev Cardiol 2024; 21:89-105. [PMID: 37580429 DOI: 10.1038/s41569-023-00914-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/17/2023] [Indexed: 08/16/2023]
Abstract
Permanent fibrosis and chronic deterioration of heart function in patients after myocardial infarction present a major health-care burden worldwide. In contrast to the restricted potential for cellular and functional regeneration of the adult mammalian heart, a robust capacity for cardiac regeneration is seen during the neonatal period in mammals as well as in the adults of many fish and amphibian species. However, we lack a complete understanding as to why cardiac regeneration takes place more efficiently in some species than in others. The capacity of the heart to regenerate after injury is controlled by a complex network of cellular and molecular mechanisms that form a regulatory landscape, either permitting or restricting regeneration. In this Review, we provide an overview of the diverse array of vertebrates that have been studied for their cardiac regenerative potential and discuss differential heart regeneration outcomes in closely related species. Additionally, we summarize current knowledge about the core mechanisms that regulate cardiac regeneration across vertebrate species.
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Affiliation(s)
- Michael Weinberger
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK
- MRC Weatherall Institute of Molecular Medicine, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Paul R Riley
- Institute of Developmental & Regenerative Medicine, University of Oxford, Oxford, UK.
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5
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Traxler L, Lucciola R, Herdy JR, Jones JR, Mertens J, Gage FH. Neural cell state shifts and fate loss in ageing and age-related diseases. Nat Rev Neurol 2023; 19:434-443. [PMID: 37268723 PMCID: PMC10478103 DOI: 10.1038/s41582-023-00815-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2023] [Indexed: 06/04/2023]
Abstract
Most age-related neurodegenerative diseases remain incurable owing to an incomplete understanding of the disease mechanisms. Several environmental and genetic factors contribute to disease onset, with human biological ageing being the primary risk factor. In response to acute cellular damage and external stimuli, somatic cells undergo state shifts characterized by temporal changes in their structure and function that increase their resilience, repair cellular damage, and lead to their mobilization to counteract the pathology. This basic cell biological principle also applies to human brain cells, including mature neurons that upregulate developmental features such as cell cycle markers or glycolytic reprogramming in response to stress. Although such temporary state shifts are required to sustain the function and resilience of the young human brain, excessive state shifts in the aged brain might result in terminal fate loss of neurons and glia, characterized by a permanent change in cell identity. Here, we offer a new perspective on the roles of cell states in sustaining health and counteracting disease, and we examine how cellular ageing might set the stage for pathological fate loss and neurodegeneration. A better understanding of neuronal state and fate shifts might provide the means for a controlled manipulation of cell fate to promote brain resilience and repair.
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Affiliation(s)
- Larissa Traxler
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA
| | - Raffaella Lucciola
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Joseph R Herdy
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Jeffrey R Jones
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA
| | - Jerome Mertens
- Department of Neurosciences, University of California San Diego, La Jolla, CA, USA.
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA.
| | - Fred H Gage
- Laboratory of Genetics, The Salk Institute for Biological Studies, La Jolla, CA, USA.
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6
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Xiao C, Hou J, Wang F, Song Y, Zheng J, Luo L, Wang J, Ding W, Zhu X, Xiong JW. Endothelial Brg1 fine-tunes Notch signaling during zebrafish heart regeneration. NPJ Regen Med 2023; 8:21. [PMID: 37029137 PMCID: PMC10082087 DOI: 10.1038/s41536-023-00293-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 03/17/2023] [Indexed: 04/09/2023] Open
Abstract
Myocardial Brg1 is essential for heart regeneration in zebrafish, but it remains unknown whether and how endothelial Brg1 plays a role in heart regeneration. Here, we found that both brg1 mRNA and protein were induced in cardiac endothelial cells after ventricular resection and endothelium-specific overexpression of dominant-negative Xenopus Brg1 (dn-xbrg1) inhibited myocardial proliferation and heart regeneration and increased cardiac fibrosis. RNA-seq and ChIP-seq analysis revealed that endothelium-specific overexpression of dn-xbrg1 changed the levels of H3K4me3 modifications in the promoter regions of the zebrafish genome and induced abnormal activation of Notch family genes upon injury. Mechanistically, Brg1 interacted with lysine demethylase 7aa (Kdm7aa) to fine-tune the level of H3K4me3 within the promoter regions of Notch family genes and thus regulated notch gene transcription. Together, this work demonstrates that the Brg1-Kdm7aa-Notch axis in cardiac endothelial cells, including the endocardium, regulates myocardial proliferation and regeneration via modulating the H3K4me3 of the notch promoters in zebrafish.
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Affiliation(s)
- Chenglu Xiao
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China
- National Key Laboratory of Veterinary Public Health Security, College of Veterinary Medicine, China Agricultural University, 100193, Beijing, China
| | - Junjie Hou
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China
| | - Fang Wang
- College of Pharmaceutical Science, Zhejiang University of Technology, 310014, Hangzhou, China
| | - Yabing Song
- School of Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Jiyuan Zheng
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China
| | - Lingfei Luo
- Institute of Developmental Biology and Regenerative Medicine, Southwest University, Beibei, 400715, Chongqing, China
| | - Jianbin Wang
- School of Life Sciences, Tsinghua University, 100084, Beijing, China
| | - Wanqiu Ding
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China.
| | - Xiaojun Zhu
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China.
| | - Jing-Wei Xiong
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, 100871, Beijing, China.
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7
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Botos MA, Arora P, Chouvardas P, Mercader N. Transcriptomic data meta-analysis reveals common and injury model specific gene expression changes in the regenerating zebrafish heart. Sci Rep 2023; 13:5418. [PMID: 37012284 PMCID: PMC10070245 DOI: 10.1038/s41598-023-32272-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/24/2023] [Indexed: 04/05/2023] Open
Abstract
Zebrafish have the capacity to fully regenerate the heart after an injury, which lies in sharp contrast to the irreversible loss of cardiomyocytes after a myocardial infarction in humans. Transcriptomics analysis has contributed to dissect underlying signaling pathways and gene regulatory networks in the zebrafish heart regeneration process. This process has been studied in response to different types of injuries namely: ventricular resection, ventricular cryoinjury, and genetic ablation of cardiomyocytes. However, there exists no database to compare injury specific and core cardiac regeneration responses. Here, we present a meta-analysis of transcriptomic data of regenerating zebrafish hearts in response to these three injury models at 7 days post injury (7dpi). We reanalyzed 36 samples and analyzed the differentially expressed genes (DEG) followed by downstream Gene Ontology Biological Processes (GO:BP) analysis. We found that the three injury models share a common core of DEG encompassing genes involved in cell proliferation, the Wnt signaling pathway and genes that are enriched in fibroblasts. We also found injury-specific gene signatures for resection and genetic ablation, and to a lower extent the cryoinjury model. Finally, we present our data in a user-friendly web interface that displays gene expression signatures across different injury types and highlights the importance to consider injury-specific gene regulatory networks when interpreting the results related to cardiac regeneration in the zebrafish. The analysis is freely available at: https://mybinder.org/v2/gh/MercaderLabAnatomy/PUB_Botos_et_al_2022_shinyapp_binder/HEAD?urlpath=shiny/bus-dashboard/ .
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Affiliation(s)
- Marius Alexandru Botos
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
- Laboratory of Systems Biology and Genetics, Institute of Bioengineering, School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
- Swiss Institute of Bioinformatics (SIB), Lausanne, Switzerland
| | - Prateek Arora
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
| | - Panagiotis Chouvardas
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland
- Department of Urology, Inselspital, Bern University Hospital, 3010, Bern, Switzerland
| | - Nadia Mercader
- Institute of Anatomy, University of Bern, 3012, Bern, Switzerland.
- Department for Biomedical Research, University of Bern, 3012, Bern, Switzerland.
- Centro Nacional de Investigaciones Cardiovasculares CNIC, 28029, Madrid, Spain.
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8
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Mehdipour M, Park S, Huang GN. Unlocking cardiomyocyte renewal potential for myocardial regeneration therapy. J Mol Cell Cardiol 2023; 177:9-20. [PMID: 36801396 PMCID: PMC10699255 DOI: 10.1016/j.yjmcc.2023.02.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 01/28/2023] [Accepted: 02/14/2023] [Indexed: 02/19/2023]
Abstract
Cardiovascular disease remains the leading cause of mortality worldwide. Cardiomyocytes are irreversibly lost due to cardiac ischemia secondary to disease. This leads to increased cardiac fibrosis, poor contractility, cardiac hypertrophy, and subsequent life-threatening heart failure. Adult mammalian hearts exhibit notoriously low regenerative potential, further compounding the calamities described above. Neonatal mammalian hearts, on the other hand, display robust regenerative capacities. Lower vertebrates such as zebrafish and salamanders retain the ability to replenish lost cardiomyocytes throughout life. It is critical to understand the varying mechanisms that are responsible for these differences in cardiac regeneration across phylogeny and ontogeny. Adult mammalian cardiomyocyte cell cycle arrest and polyploidization have been proposed as major barriers to heart regeneration. Here we review current models about why adult mammalian cardiac regenerative potential is lost including changes in environmental oxygen levels, acquisition of endothermy, complex immune system development, and possible cancer risk tradeoffs. We also discuss recent progress and highlight conflicting reports pertaining to extrinsic and intrinsic signaling pathways that control cardiomyocyte proliferation and polyploidization in growth and regeneration. Uncovering the physiological brakes of cardiac regeneration could illuminate novel molecular targets and offer promising therapeutic strategies to treat heart failure.
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Affiliation(s)
- Melod Mehdipour
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Sangsoon Park
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Guo N Huang
- Cardiovascular Research Institute and Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA; Eli and Edythe Broad Center for Regeneration Medicine and Stem Cell Research, University of California, San Francisco, San Francisco, CA 94158, USA; Bakar Aging Research Institute, University of California, San Francisco, San Francisco, CA 94158, USA.
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9
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Dimasi CG, Darby JRT, Morrison JL. A change of heart: understanding the mechanisms regulating cardiac proliferation and metabolism before and after birth. J Physiol 2023; 601:1319-1341. [PMID: 36872609 PMCID: PMC10952280 DOI: 10.1113/jp284137] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 02/17/2023] [Indexed: 03/07/2023] Open
Abstract
Mammalian cardiomyocytes undergo major maturational changes in preparation for birth and postnatal life. Immature cardiomyocytes contribute to cardiac growth via proliferation and thus the heart has the capacity to regenerate. To prepare for postnatal life, structural and metabolic changes associated with increased cardiac output and function must occur. This includes exit from the cell cycle, hypertrophic growth, mitochondrial maturation and sarcomeric protein isoform switching. However, these changes come at a price: the loss of cardiac regenerative capacity such that damage to the heart in postnatal life is permanent. This is a significant barrier to the development of new treatments for cardiac repair and contributes to heart failure. The transitional period of cardiomyocyte growth is a complex and multifaceted event. In this review, we focus on studies that have investigated this critical transition period as well as novel factors that may regulate and drive this process. We also discuss the potential use of new biomarkers for the detection of myocardial infarction and, in the broader sense, cardiovascular disease.
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Affiliation(s)
- Catherine G. Dimasi
- Early Origins of Adult Health Research Group, Health and Biomedical Innovation, UniSA: Clinical and Health SciencesUniversity of South AustraliaAdelaideSAAustralia
| | - Jack R. T. Darby
- Early Origins of Adult Health Research Group, Health and Biomedical Innovation, UniSA: Clinical and Health SciencesUniversity of South AustraliaAdelaideSAAustralia
| | - Janna L. Morrison
- Early Origins of Adult Health Research Group, Health and Biomedical Innovation, UniSA: Clinical and Health SciencesUniversity of South AustraliaAdelaideSAAustralia
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10
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Zuppo DA, Missinato MA, Santana-Santos L, Li G, Benos PV, Tsang M. Foxm1 regulates cardiomyocyte proliferation in adult zebrafish after cardiac injury. Development 2023; 150:dev201163. [PMID: 36846912 PMCID: PMC10108034 DOI: 10.1242/dev.201163] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 02/13/2023] [Indexed: 03/01/2023]
Abstract
The regenerative capacity of the mammalian heart is poor, with one potential reason being that adult cardiomyocytes cannot proliferate at sufficient levels to replace lost tissue. During development and neonatal stages, cardiomyocytes can successfully divide under injury conditions; however, as these cells mature their ability to proliferate is lost. Therefore, understanding the regulatory programs that can induce post-mitotic cardiomyocytes into a proliferative state is essential to enhance cardiac regeneration. Here, we report that the forkhead transcription factor Foxm1 is required for cardiomyocyte proliferation after injury through transcriptional regulation of cell cycle genes. Transcriptomic analysis of injured zebrafish hearts revealed that foxm1 expression is increased in border zone cardiomyocytes. Decreased cardiomyocyte proliferation and expression of cell cycle genes in foxm1 mutant hearts was observed, suggesting it is required for cell cycle checkpoints. Subsequent analysis of a candidate Foxm1 target gene, cenpf, revealed that this microtubule and kinetochore binding protein is also required for cardiac regeneration. Moreover, cenpf mutants show increased cardiomyocyte binucleation. Thus, foxm1 and cenpf are required for cardiomyocytes to complete mitosis during zebrafish cardiac regeneration.
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Affiliation(s)
- Daniel A. Zuppo
- Department of Developmental Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
| | - Maria A. Missinato
- Department of Developmental Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
- Avidity Biosciences, 10578 Science Center Dr. Suite 125, San Diego, CA 92121, USA
| | - Lucas Santana-Santos
- Department of Computational and Systems Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
| | - Guang Li
- Department of Developmental Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
| | - Panayiotis V. Benos
- Department of Computational and Systems Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
| | - Michael Tsang
- Department of Developmental Biology, University of Pittsburgh, School of Medicine, Pittsburgh, PA 15213, USA
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11
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Zhong J, Jing A, Zheng S, Li S, Zhang X, Ren C. Physiological and molecular mechanisms of insect appendage regeneration. CELL REGENERATION (LONDON, ENGLAND) 2023; 12:9. [PMID: 36859631 PMCID: PMC9978051 DOI: 10.1186/s13619-022-00156-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 12/21/2022] [Indexed: 03/03/2023]
Abstract
Regeneration, as a fascinating scientific field, refers to the ability of animals replacing lost tissue or body parts. Many metazoan organisms have been reported with the regeneration phenomena, but showing evolutionarily variable abilities. As the most diverse metazoan taxon, hundreds of insects show strong appendage regeneration ability. The regeneration process and ability are dependent on many factors, including macroscopic physiological conditions and microscopic molecular mechanisms. This article reviews research progress on the physiological conditions and internal underlying mechanisms controlling appendage regeneration in insects.
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Affiliation(s)
- Jiru Zhong
- grid.263785.d0000 0004 0368 7397Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631 China
| | - Andi Jing
- grid.263785.d0000 0004 0368 7397Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631 China
| | - Shaojuan Zheng
- grid.263785.d0000 0004 0368 7397Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631 China
| | - Sheng Li
- grid.263785.d0000 0004 0368 7397Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631 China ,grid.263785.d0000 0004 0368 7397Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou, 514779 China
| | - Xiaoshuai Zhang
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631, China.
| | - Chonghua Ren
- Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, Guangzhou Key Laboratory of Insect Development Regulation and Application Research, Institute of Insect Science and Technology, School of Life Sciences, South China Normal University, Guangzhou, 510631, China. .,Guangmeiyuan R&D Center, Guangdong Provincial Key Laboratory of Insect Developmental Biology and Applied Technology, South China Normal University, Meizhou, 514779, China.
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12
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Future regenerative medicine developments and their therapeutic applications. Biomed Pharmacother 2023; 158:114131. [PMID: 36538861 DOI: 10.1016/j.biopha.2022.114131] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/05/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022] Open
Abstract
Although the currently available pharmacological assays can cure most pathological disorders, they have limited therapeutic value in relieving certain disorders like myocardial infarct, peripheral vascular disease, amputated limbs, or organ failure (e.g. renal failure). Pilot studies to overcome such problems using regenerative medicine (RM) delivered promising data. Comprehensive investigations of RM in zebrafish or reptilians are necessary for better understanding. However, the precise mechanisms remain poorly understood despite the tremendous amount of data obtained using the zebrafish model investigating the exact mechanisms behind their regenerative capability. Indeed, understanding such mechanisms and their application to humans can save millions of lives from dying due to potentially life-threatening events. Recent studies have launched a revolution in replacing damaged human organs via different approaches in the last few decades. The newly established branch of medicine (known as Regenerative Medicine aims to enhance natural repair mechanisms. This can be done through the application of several advanced broad-spectrum technologies such as organ transplantation, tissue engineering, and application of Scaffolds technology (support vascularization using an extracellular matrix), stem cell therapy, miRNA treatment, development of 3D mini-organs (organoids), and the construction of artificial tissues using nanomedicine and 3D bio-printers. Moreover, in the next few decades, revolutionary approaches in regenerative medicine will be applied based on artificial intelligence and wireless data exchange, soft intelligence biomaterials, nanorobotics, and even living robotics capable of self-repair. The present work presents a comprehensive overview that summarizes the new and future advances in the field of RM.
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13
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Sorbini M, Arab S, Soni T, Frisiras A, Mehta S. How can the adult zebrafish and neonatal mice teach us about stimulating cardiac regeneration in the human heart? Regen Med 2023; 18:85-99. [PMID: 36416596 DOI: 10.2217/rme-2022-0161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
The proliferative capacity of mammalian cardiomyocytes diminishes shortly after birth. In contrast, adult zebrafish and neonatal mice can regenerate cardiac tissues, highlighting new potential therapeutic avenues. Different factors have been found to promote cardiomyocyte proliferation in zebrafish and neonatal mice; these include maintenance of mononuclear and diploid cardiomyocytes and upregulation of the proto-oncogene c-Myc. The growth factor NRG-1 controls cell proliferation and interacts with the Hippo-Yap pathway to modulate regeneration. Key components of the extracellular matrix such as Agrin are also crucial for cardiac regeneration. Novel therapies explored in this review, include intramyocardial injection of Agrin or zebrafish-ECM and NRG-1 administration. These therapies may induce regeneration in patients and should be further explored.
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Affiliation(s)
- Michela Sorbini
- Barts and the London School of Medicien and Dentistry, Queen Mary University of London, E1 2AD, London, UK.,Imperial College School of Medicine, SW7 2AZ, London, UK
| | - Sammy Arab
- Imperial College School of Medicine, SW7 2AZ, London, UK
| | - Tara Soni
- Imperial College School of Medicine, SW7 2AZ, London, UK
| | | | - Samay Mehta
- Imperial College School of Medicine, SW7 2AZ, London, UK
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14
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Zhou X, Zhang C, Wu X, Hu X, Zhang Y, Wang X, Zheng L, Gao P, Du J, Zheng W, Shang H, Hu K, Jiang Z, Nie Y, Hu S, Xiao RP, Zhu X, Xiong JW. Dusp6 deficiency attenuates neutrophil-mediated cardiac damage in the acute inflammatory phase of myocardial infarction. Nat Commun 2022; 13:6672. [PMID: 36335128 PMCID: PMC9637103 DOI: 10.1038/s41467-022-33631-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
Dual-specificity phosphatase 6 (DUSP6) serves a specific and conserved function on the dephosphorylation of extracellular signal-regulated kinase 1/2 (ERK1/2). We previously identified Dusp6 as a regenerative repressor during zebrafish heart regeneration, therefore we propose to investigate the role of this repressor in mammalian cardiac repair. Utilizing a rat strain harboring Dusp6 nonsense mutation, rat neutrophil-cardiomyocyte co-culture, bone marrow transplanted rats and neutrophil-specific Dusp6 knockout mice, we find that Dusp6 deficiency improves cardiac outcomes by predominantly attenuating neutrophil-mediated myocardial damage in acute inflammatory phase after myocardial infarction. Mechanistically, Dusp6 is transcriptionally activated by p38-C/EBPβ signaling and acts as an effector for maintaining p-p38 activity by down-regulating pERK and p38-targeting phosphatases DUSP1/DUSP16. Our findings provide robust animal models and novel insights for neutrophil-mediated cardiac damage and demonstrate the potential of DUSP6 as a therapeutic target for post-MI cardiac remodeling and other relevant inflammatory diseases.
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Affiliation(s)
- Xiaohai Zhou
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Chenyang Zhang
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China ,grid.11135.370000 0001 2256 9319PKU-Nanjing Institute of Translational Medicine, Nanjing, 211800 China
| | - Xueying Wu
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Xinli Hu
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Yan Zhang
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Xuelian Wang
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Lixia Zheng
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Peng Gao
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Jianyong Du
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Wen Zheng
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Haibao Shang
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China
| | - Keping Hu
- grid.506261.60000 0001 0706 7839Research Center for Pharmacology and Toxicology, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193 China
| | - Zhengfan Jiang
- grid.11135.370000 0001 2256 9319School of Life Sciences, Peking University, Beijing, 100871 China
| | - Yu Nie
- grid.506261.60000 0001 0706 7839State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037 China
| | - Shengshou Hu
- grid.506261.60000 0001 0706 7839State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037 China
| | - Rui-Ping Xiao
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China ,grid.11135.370000 0001 2256 9319PKU-Nanjing Institute of Translational Medicine, Nanjing, 211800 China
| | - Xiaojun Zhu
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China ,grid.11135.370000 0001 2256 9319PKU-Nanjing Institute of Translational Medicine, Nanjing, 211800 China
| | - Jing-Wei Xiong
- grid.11135.370000 0001 2256 9319Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine, College of Future Technology, and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871 China ,grid.11135.370000 0001 2256 9319PKU-Nanjing Institute of Translational Medicine, Nanjing, 211800 China
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15
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Copeland KM, Brazile BL, Butler JR, Cooley J, Brinkman-Ferguson E, Claude A, Lin S, Rais-Rohani S, Welch B, McMahan SR, Nguyen KT, Hong Y, Ramaswamy S, Liu ZP, Bajona P, Peltz M, Liao J. Investigating the Transient Regenerative Potential of Cardiac Muscle Using a Neonatal Pig Partial Apical Resection Model. Bioengineering (Basel) 2022; 9:401. [PMID: 36004926 PMCID: PMC9404987 DOI: 10.3390/bioengineering9080401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 06/16/2022] [Accepted: 08/16/2022] [Indexed: 11/17/2022] Open
Abstract
Researchers have shown that adult zebrafish have the potential to regenerate 20% of the ventricular muscle within two months of apex resection, and neonatal mice have the capacity to regenerate their heart after apex resection up until day 7 after birth. The goal of this study was to determine if large mammals (porcine heart model) have the capability to fully regenerate a resected portion of the left ventricular apex during the neonatal stage, and if so, how long the regenerative potential persists. A total of 36 piglets were divided into the following groups: 0-day control and surgical groups and seven-day control and surgical groups. For the apex removal groups, each piglet was subjected to a partial wall thickness resection (~30% of the ventricular wall thickness). Heart muscle function was assessed via transthoracic echocardiograms; the seven-day surgery group experienced a decrease in ejection fraction and fractional shortening. Upon gross necropsy, for piglets euthanized four weeks post-surgery, all 0-day-old hearts showed no signs of scarring or any indication of the induced injury. Histological analysis confirmed that piglets in the 0-day surgery group exhibited various degrees of regeneration, with half of the piglets showing full regeneration and the other half showing partial regeneration. However, each piglet in the seven-day surgery group demonstrated epicardial fibrosis along with moderate to severe dissecting interstitial fibrosis, which was accompanied by an abundant collagenous extracellular matrix as the result of a scar formation in the resection site. Histology of one 0-day apex resection piglet (briefly lain on and accidentally killed by the mother sow three days post-surgery) revealed dense, proliferative mesenchymal cells bordering the fibrin and hemorrhage zone and differentiating toward immature cardiomyocytes. We further examined the heart explants at 5-days post-surgery (5D PO) and 1-week post-surgery (1W PO) to assess the repair progression. For the 0-day surgery piglets euthanized at 5D PO and 1W PO, half had abundant proliferating mesenchymal cells, suggesting active regeneration, while the other half showed increased extracellular collagen. The seven-day surgery piglets euthanized at 5D PO, and 1W PO showed evidence of greatly increased extracellular collagen, while some piglets had proliferating mesenchymal cells, suggesting a regenerative effort is ongoing while scar formation seems to predominate. In short, our qualitative findings suggest that the piglets lose the full myocardial regenerative potential by 7 days after birth, but greatly preserve the regenerative potential within 1 day post-partum.
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Affiliation(s)
- Katherine M. Copeland
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Bryn L. Brazile
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - J. Ryan Butler
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Jim Cooley
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Erin Brinkman-Ferguson
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Andrew Claude
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sallie Lin
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sammira Rais-Rohani
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Bradley Welch
- Department of Biological Engineering, College of Veterinary Medicine, Mississippi State University, Starkville, MS 39762, USA
| | - Sara R. McMahan
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
| | - Sharan Ramaswamy
- Department of Biomedical Engineering, Florida International University, Miami, FL 33174, USA
| | - Zhi-Ping Liu
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Pietro Bajona
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
- Allegheny Health Network-Drexel University College of Medicine, Pittsburgh, PA 15212, USA
| | - Matthias Peltz
- Department of Cardiovascular and Thoracic Surgery, Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76010, USA
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16
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Sun J, Peterson EA, Jiao C, Chen X, Zhao Y, Wang J. Zebrafish heart regeneration after coronary dysfunction-induced cardiac damage. Dev Biol 2022; 487:57-66. [PMID: 35490764 PMCID: PMC11017783 DOI: 10.1016/j.ydbio.2022.04.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 04/21/2022] [Accepted: 04/25/2022] [Indexed: 11/03/2022]
Abstract
Over the past 20 years, various zebrafish injury models demonstrated efficient heart regeneration after cardiac tissue loss. However, no established coronary vessel injury methods exist in the zebrafish model, despite coronary endothelial dysfunction occurring in most patients with acute coronary syndrome. This is due to difficulties performing surgery on small coronary vessels and a lack of genetic tools to precisely manipulate coronary cells in zebrafish. We determined that the Notch ligand gene deltaC regulatory sequences drive gene expression in zebrafish coronary endothelial cells, enabling us to overcome these obstacles. We created a deltaC fluorescent reporter line and visualized robust coronary growth during heart development and regeneration. Importantly, this reporter facilitated the visualization of coronary growth without an endocardial background. Moreover, we visualized robust coronary growth on the surface of juvenile hearts and regrowth in the wounded area of adult hearts ex vivo. With this approach, we observed growth inhibition by reported vascular growth antagonists of the VEGF, EGF and Notch signaling pathways. Furthermore, we established a coronary genetic ablation system and observed that severe coronary endothelial cell loss resulted in fish death, whereas fish survived mild coronary cell loss. Coronary cell depletion triggered regenerative responses, which resulted in the restoration of damaged cardiac tissues within several weeks. Overall, our work demonstrated the efficacy of using deltaC regulatory elements for high-resolution visualization of the coronary endothelium; screening small molecules for coronary growth effects; and revealed complete recovery in adult zebrafish after coronary-induced heart damage.
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Affiliation(s)
- Jisheng Sun
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Elizabeth A Peterson
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Cheng Jiao
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Xin Chen
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Yun Zhao
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA
| | - Jinhu Wang
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA, 30322, USA.
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17
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Ross Stewart KM, Walker SL, Baker AH, Riley PR, Brittan M. Hooked on heart regeneration: the zebrafish guide to recovery. Cardiovasc Res 2022; 118:1667-1679. [PMID: 34164652 PMCID: PMC9215194 DOI: 10.1093/cvr/cvab214] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 06/22/2021] [Indexed: 12/23/2022] Open
Abstract
While humans lack sufficient capacity to undergo cardiac regeneration following injury, zebrafish can fully recover from a range of cardiac insults. Over the past two decades, our understanding of the complexities of both the independent and co-ordinated injury responses by multiple cardiac tissues during zebrafish heart regeneration has increased exponentially. Although cardiomyocyte regeneration forms the cornerstone of the reparative process in the injured zebrafish heart, recent studies have shown that this is dependent on prior neovascularization and lymphangiogenesis, which in turn require epicardial, endocardial, and inflammatory cell signalling within an extracellular milieu that is optimized for regeneration. Indeed, it is the amalgamation of multiple regenerative systems and gene regulatory patterns that drives the much-heralded success of the adult zebrafish response to cardiac injury. Increasing evidence supports the emerging paradigm that developmental transcriptional programmes are re-activated during adult tissue regeneration, including in the heart, and the zebrafish represents an optimal model organism to explore this concept. In this review, we summarize recent advances from the zebrafish cardiovascular research community with novel insight into the mechanisms associated with endogenous cardiovascular repair and regeneration, which may be of benefit to inform future strategies for patients with cardiovascular disease.
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Affiliation(s)
- Katherine M Ross Stewart
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Sophie L Walker
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Andrew H Baker
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
| | - Paul R Riley
- Department of Physiology, Anatomy & Genetics, University of Oxford, Sherrington Building, Sherrington Rd, Oxford OX1 3PT, UK
| | - Mairi Brittan
- Centre for Cardiovascular Science, University of Edinburgh, The Queen's Medical Research Institute, 47 Little France Crescent, Edinburgh EH16 4TJ, UK
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18
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Bruton FA, Kaveh A, Ross-Stewart KM, Matrone G, Oremek MEM, Solomonidis EG, Tucker CS, Mullins JJ, Lucas CD, Brittan M, Taylor JM, Rossi AG, Denvir MA. Macrophages trigger cardiomyocyte proliferation by increasing epicardial vegfaa expression during larval zebrafish heart regeneration. Dev Cell 2022; 57:1512-1528.e5. [PMID: 35688158 PMCID: PMC9616726 DOI: 10.1016/j.devcel.2022.05.014] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 02/11/2022] [Accepted: 05/18/2022] [Indexed: 12/01/2022]
Abstract
Cardiac injury leads to the loss of cardiomyocytes, which are rapidly replaced by the proliferation of the surviving cells in zebrafish, but not in mammals. In both the regenerative zebrafish and non-regenerative mammals, cardiac injury induces a sustained macrophage response. Macrophages are required for cardiomyocyte proliferation during zebrafish cardiac regeneration, but the mechanisms whereby macrophages facilitate this crucial process are fundamentally unknown. Using heartbeat-synchronized live imaging, RNA sequencing, and macrophage-null genotypes in the larval zebrafish cardiac injury model, we characterize macrophage function and reveal that these cells activate the epicardium, inducing cardiomyocyte proliferation. Mechanistically, macrophages are specifically recruited to the epicardial-myocardial niche, triggering the expansion of the epicardium, which upregulates vegfaa expression to induce cardiomyocyte proliferation. Our data suggest that epicardial Vegfaa augments a developmental cardiac growth pathway via increased endocardial notch signaling. The identification of this macrophage-dependent mechanism of cardiac regeneration highlights immunomodulation as a potential strategy for enhancing mammalian cardiac repair. Heart regeneration in larval zebrafish is characterized in detail Macrophage ablation blocks cardiomyocyte proliferation after cardiac injury Macrophages synapse with epicardial cells and promote their proliferation Epicardial Vegfaa drives cardiomyocyte proliferation during cardiac regeneration
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Affiliation(s)
- Finnius A Bruton
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK.
| | - Aryan Kaveh
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK; Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Katherine M Ross-Stewart
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Gianfranco Matrone
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Magdalena E M Oremek
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Emmanouil G Solomonidis
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Carl S Tucker
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - John J Mullins
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Christopher D Lucas
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Mairi Brittan
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | | | - Adriano G Rossi
- Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
| | - Martin A Denvir
- Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH16 4TJ, UK
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19
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Abstract
Heart disease is the leading cause of death worldwide. Despite decades of research, most heart pathologies have limited treatments, and often the only curative approach is heart transplantation. Thus, there is an urgent need to develop new therapeutic approaches for treating cardiac diseases. Animal models that reproduce the human pathophysiology are essential to uncovering the biology of diseases and discovering therapies. Traditionally, mammals have been used as models of cardiac disease, but the cost of generating and maintaining new models is exorbitant, and the studies have very low throughput. In the last decade, the zebrafish has emerged as a tractable model for cardiac diseases, owing to several characteristics that made this animal popular among developmental biologists. Zebrafish fertilization and development are external; embryos can be obtained in high numbers, are cheap and easy to maintain, and can be manipulated to create new genetic models. Moreover, zebrafish exhibit an exceptional ability to regenerate their heart after injury. This review summarizes 25 years of research using the zebrafish to study the heart, from the classical forward screenings to the contemporary methods to model mutations found in patients with cardiac disease. We discuss the advantages and limitations of this model organism and introduce the experimental approaches exploited in zebrafish, including forward and reverse genetics and chemical screenings. Last, we review the models used to induce cardiac injury and essential ideas derived from studying natural regeneration. Studies using zebrafish have the potential to accelerate the discovery of new strategies to treat cardiac diseases.
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Affiliation(s)
- Juan Manuel González-Rosa
- Cardiovascular Research Center, Massachusetts General Hospital Research Institute, Harvard Medical School, Charlestown, MA
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20
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Pentachloronitrobenzene Reduces the Proliferative Capacity of Zebrafish Embryonic Cardiomyocytes via Oxidative Stress. TOXICS 2022; 10:toxics10060299. [PMID: 35736907 PMCID: PMC9231182 DOI: 10.3390/toxics10060299] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 05/27/2022] [Accepted: 05/29/2022] [Indexed: 12/10/2022]
Abstract
Pentachloronitrobenzene (PCNB) is an organochlorine protective fungicide mainly used as a soil and seed fungicide. Currently, there are few reports on the toxicity of PCNB to zebrafish embryo. Here, we evaluated the toxicity of PCNB in aquatic vertebrates using a zebrafish model. Exposure of zebrafish embryos to PCNB at concentrations of 0.25 mg/L, 0.5 mg/L, and 0.75 mg/L from 6 hpf to 72 hpf resulted in abnormal embryonic development, including cardiac malformation, pericardial edema, decreased heart rate, decreased blood flow velocity, deposition at yolk sac, shortened body length, and increased distance between venous sinus and arterial bulb (SV-BA). The expression of genes related to cardiac development was disordered. However, due to the unstable embryo status in the 0.75 mg/L exposure concentration group, the effect of PCNB on the expression levels of cardiac-related genes was not concentration-dependent. We found that PCNB increased reactive oxygen species stress levels in zebrafish, increased malondialdehyde (MDA) content and catalase (CAT) activity, and decreased superoxide dismutase (SOD) activity. The increased level of oxidative stress reduced the proliferation ability of zebrafish cardiomyocytes, and the expressions of zebrafish proliferation-related genes such as cdk-2, cdk-6, ccnd1, and ccne1 were significantly down-regulated. Astaxanthin (AST) attenuates PCNB-induced reduction in zebrafish cardiomyocyte proliferation by reducing oxidative stress levels. Our study shows that PCNB can cause severe oxidative stress in zebrafish, thereby reducing the proliferative capacity of cardiomyocytes, resulting in zebrafish cardiotoxicity.
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21
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Djenoune L, Berg K, Brueckner M, Yuan S. A change of heart: new roles for cilia in cardiac development and disease. Nat Rev Cardiol 2022; 19:211-227. [PMID: 34862511 PMCID: PMC10161238 DOI: 10.1038/s41569-021-00635-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/11/2021] [Indexed: 12/27/2022]
Abstract
Although cardiac abnormalities have been observed in a growing class of human disorders caused by defective primary cilia, the function of cilia in the heart remains an underexplored area. The primary function of cilia in the heart was long thought to be restricted to left-right axis patterning during embryogenesis. However, new findings have revealed broad roles for cilia in congenital heart disease, valvulogenesis, myocardial fibrosis and regeneration, and mechanosensation. In this Review, we describe advances in our understanding of the mechanisms by which cilia function contributes to cardiac left-right axis development and discuss the latest findings that highlight a broader role for cilia in cardiac development. Specifically, we examine the growing line of evidence connecting cilia function to the pathogenesis of congenital heart disease. Furthermore, we also highlight research from the past 10 years demonstrating the role of cilia function in common cardiac valve disorders, including mitral valve prolapse and aortic valve disease, and describe findings that implicate cardiac cilia in mechanosensation potentially linking haemodynamic and contractile forces with genetic regulation of cardiac development and function. Finally, given the presence of cilia on cardiac fibroblasts, we also explore the potential role of cilia in fibrotic growth and summarize the evidence implicating cardiac cilia in heart regeneration.
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Affiliation(s)
- Lydia Djenoune
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kathryn Berg
- Department of Paediatrics, Yale University School of Medicine, New Haven, CT, USA
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
| | - Martina Brueckner
- Department of Paediatrics, Yale University School of Medicine, New Haven, CT, USA.
- Department of Genetics, Yale University School of Medicine, New Haven, CT, USA.
| | - Shiaulou Yuan
- Cardiovascular Research Center, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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22
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Bowley G, Kugler E, Wilkinson R, Lawrie A, van Eeden F, Chico TJA, Evans PC, Noël ES, Serbanovic-Canic J. Zebrafish as a tractable model of human cardiovascular disease. Br J Pharmacol 2022; 179:900-917. [PMID: 33788282 DOI: 10.1111/bph.15473] [Citation(s) in RCA: 63] [Impact Index Per Article: 31.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 03/18/2021] [Accepted: 03/24/2021] [Indexed: 12/17/2022] Open
Abstract
Mammalian models including non-human primates, pigs and rodents have been used extensively to study the mechanisms of cardiovascular disease. However, there is an increasing desire for alternative model systems that provide excellent scientific value while replacing or reducing the use of mammals. Here, we review the use of zebrafish, Danio rerio, to study cardiovascular development and disease. The anatomy and physiology of zebrafish and mammalian cardiovascular systems are compared, and we describe the use of zebrafish models in studying the mechanisms of cardiac (e.g. congenital heart defects, cardiomyopathy, conduction disorders and regeneration) and vascular (endothelial dysfunction and atherosclerosis, lipid metabolism, vascular ageing, neurovascular physiology and stroke) pathologies. We also review the use of zebrafish for studying pharmacological responses to cardiovascular drugs and describe several features of zebrafish that make them a compelling model for in vivo screening of compounds for the treatment cardiovascular disease. LINKED ARTICLES: This article is part of a themed issue on Preclinical Models for Cardiovascular disease research (BJP 75th Anniversary). To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v179.5/issuetoc.
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Affiliation(s)
- George Bowley
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre, University of Sheffield, Sheffield, UK
| | - Elizabeth Kugler
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre, University of Sheffield, Sheffield, UK
- Institute of Ophthalmology, Faculty of Brain Sciences, University College London, London, UK
| | - Rob Wilkinson
- School of Life Sciences, University of Nottingham, Nottingham, UK
| | - Allan Lawrie
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | - Freek van Eeden
- Bateson Centre, University of Sheffield, Sheffield, UK
- Department of Biomedical Science, University of Sheffield, Sheffield, UK
| | - Tim J A Chico
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre, University of Sheffield, Sheffield, UK
| | - Paul C Evans
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre, University of Sheffield, Sheffield, UK
| | - Emily S Noël
- Bateson Centre, University of Sheffield, Sheffield, UK
- Department of Biomedical Science, University of Sheffield, Sheffield, UK
| | - Jovana Serbanovic-Canic
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
- Bateson Centre, University of Sheffield, Sheffield, UK
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23
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Garbern JC, Lee RT. Heart regeneration: 20 years of progress and renewed optimism. Dev Cell 2022; 57:424-439. [PMID: 35231426 PMCID: PMC8896288 DOI: 10.1016/j.devcel.2022.01.012] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/10/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023]
Abstract
Cardiovascular disease is a leading cause of death worldwide, and thus there remains great interest in regenerative approaches to treat heart failure. In the past 20 years, the field of heart regeneration has entered a renaissance period with remarkable progress in the understanding of endogenous heart regeneration, stem cell differentiation for exogenous cell therapy, and cell-delivery methods. In this review, we highlight how this new understanding can lead to viable strategies for human therapy. For the near term, drugs, electrical and mechanical devices, and heart transplantation will remain mainstays of cardiac therapies, but eventually regenerative therapies based on fundamental regenerative biology may offer more permanent solutions for patients with heart failure.
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Affiliation(s)
- Jessica C. Garbern
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA 02138, USA,Department of Cardiology, Boston Children’s Hospital, 300 Longwood Ave, Boston, MA 02115, USA
| | - Richard T. Lee
- Department of Stem Cell and Regenerative Biology and the Harvard Stem Cell Institute, Harvard University, 7 Divinity Ave, Cambridge, MA 02138, USA,Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, 75 Francis St, Boston, MA 02115, USA,Corresponding author and lead contact: Richard T. Lee, Department of Stem Cell and Regenerative Biology, Harvard University, 7 Divinity Ave, Cambridge, MA 02138, Phone: 617-496-5394, Fax: 617-496-8351,
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24
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Peterson EA, Sun J, Wang J. Leukocyte-Mediated Cardiac Repair after Myocardial Infarction in Non-Regenerative vs. Regenerative Systems. J Cardiovasc Dev Dis 2022; 9:63. [PMID: 35200716 PMCID: PMC8877434 DOI: 10.3390/jcdd9020063] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 02/01/2023] Open
Abstract
Innate and adaptive leukocytes rapidly mobilize to ischemic tissues after myocardial infarction in response to damage signals released from necrotic cells. Leukocytes play important roles in cardiac repair and regeneration such as inflammation initiation and resolution; the removal of dead cells and debris; the deposition of the extracellular matrix and granulation tissue; supporting angiogenesis and cardiomyocyte proliferation; and fibrotic scar generation and resolution. By organizing and comparing the present knowledge of leukocyte recruitment and function after cardiac injury in non-regenerative to regenerative systems, we propose that the leukocyte response to cardiac injury differs in non-regenerative adult mammals such as humans and mice in comparison to cardiac regenerative models such as neonatal mice and adult zebrafish. Specifically, extensive neutrophil, macrophage, and T-cell persistence contributes to a lengthy inflammatory period in non-regenerative systems for adverse cardiac remodeling and heart failure development, whereas their quick removal supports inflammation resolution in regenerative systems for new contractile tissue formation and coronary revascularization. Surprisingly, other leukocytes have not been examined in regenerative model systems. With this review, we aim to encourage the development of improved immune cell markers and tools in cardiac regenerative models for the identification of new immune targets in non-regenerative systems to develop new therapies.
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Affiliation(s)
| | | | - Jinhu Wang
- Division of Cardiology, School of Medicine, Emory University, Atlanta, GA 30322, USA; (E.A.P.); (J.S.)
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25
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Röning T, Magga J, Laitakari A, Halmetoja R, Tapio J, Dimova EY, Szabo Z, Rahtu-Korpela L, Kemppi A, Walkinshaw G, Myllyharju J, Kerkelä R, Koivunen P, Serpi R. Activation of the hypoxia response pathway protects against age-induced cardiac hypertrophy. J Mol Cell Cardiol 2021; 164:148-155. [PMID: 34919895 DOI: 10.1016/j.yjmcc.2021.12.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 11/15/2021] [Accepted: 12/09/2021] [Indexed: 12/17/2022]
Abstract
AIMS We have previously demonstrated protection against obesity, metabolic dysfunction, atherosclerosis and cardiac ischemia in a hypoxia-inducible factor (HIF) prolyl 4-hydroxylase-2 (Hif-p4h-2) deficient mouse line, attributing these protective effects to activation of the hypoxia response pathway in a normoxic environment. We intended here to find out whether the Hif-p4h-2 deficiency affects the cardiac health of these mice upon aging. METHODS AND RESULTS When the Hif-p4h-2 deficient mice and their wild-type littermates were monitored during normal aging, the Hif-p4h-2 deficient mice had better preserved diastolic function than the wild type at one year of age and less cardiomyocyte hypertrophy at two years. On the mRNA level, downregulation of hypertrophy-associated genes was detected and shown to be associated with upregulation of Notch signaling, and especially of the Notch target gene and transcriptional repressor Hairy and enhancer-of-split-related basic helix-loop-helix (Hey2). Blocking of Notch signaling in cardiomyocytes isolated from Hif-p4h-2 deficient mice with a gamma-secretase inhibitor led to upregulation of the hypertrophy-associated genes. Also, targeting Hey2 in isolated wild-type rat neonatal cardiomyocytes with siRNA led to upregulation of hypertrophic genes and increased leucine incorporation indicative of increased protein synthesis and hypertrophy. Finally, oral treatment of wild-type mice with a small molecule inhibitor of HIF-P4Hs phenocopied the effects of Hif-p4h-2 deficiency with less cardiomyocyte hypertrophy, upregulation of Hey2 and downregulation of the hypertrophy-associated genes. CONCLUSIONS These results indicate that activation of the hypoxia response pathway upregulates Notch signaling and its target Hey2 resulting in transcriptional repression of hypertrophy-associated genes and less cardiomyocyte hypertrophy. This is eventually associated with better preserved cardiac function upon aging. Activation of the hypoxia response pathway thus has therapeutic potential for combating age-induced cardiac hypertrophy.
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Affiliation(s)
- Tapio Röning
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Johanna Magga
- Biocenter Oulu and Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Finland
| | - Anna Laitakari
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Riikka Halmetoja
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Joona Tapio
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Elitsa Y Dimova
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Zoltan Szabo
- Biocenter Oulu and Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Finland
| | - Lea Rahtu-Korpela
- Biocenter Oulu and Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Finland
| | - Anna Kemppi
- Biocenter Oulu and Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Finland
| | | | - Johanna Myllyharju
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland
| | - Risto Kerkelä
- Biocenter Oulu and Research Unit of Biomedicine, Department of Pharmacology and Toxicology, University of Oulu, Finland
| | - Peppi Koivunen
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland.
| | - Raisa Serpi
- Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, Oulu Center for Cell-Matrix Research, University of Oulu, Oulu, Finland; Faculty of Medicine, University of Oulu, Oulu, Finland; Biobank Borealis of Northern Finland, Oulu University Hospital, Finland
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26
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Li S, Ma W, Cai B. Targeting cardiomyocyte proliferation as a key approach of promoting heart repair after injury. MOLECULAR BIOMEDICINE 2021; 2:34. [PMID: 35006441 PMCID: PMC8607366 DOI: 10.1186/s43556-021-00047-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 06/21/2021] [Indexed: 11/17/2022] Open
Abstract
Cardiovascular diseases such as myocardial infarction (MI) is a major contributor to human mortality and morbidity. The mammalian adult heart almost loses its plasticity to appreciably regenerate new cardiomyocytes after injuries, such as MI and heart failure. The neonatal heart exhibits robust proliferative capacity when exposed to varying forms of myocardial damage. The ability of the neonatal heart to repair the injury and prevent pathological left ventricular remodeling leads to preserved or improved cardiac function. Therefore, promoting cardiomyocyte proliferation after injuries to reinitiate the process of cardiomyocyte regeneration, and suppress heart failure and other serious cardiovascular problems have become the primary goal of many researchers. Here, we review recent studies in this field and summarize the factors that act upon the proliferation of cardiomyocytes and cardiac repair after injury and discuss the new possibilities for potential clinical treatment strategies for cardiovascular diseases.
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Affiliation(s)
- Shuainan Li
- Department of Pharmacy at The Second Affiliated Hospital, and Department of Pharmacology at College of Pharmacy (The Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), Harbin Medical University, Harbin, 150086, China
| | - Wenya Ma
- Department of Pharmacy at The Second Affiliated Hospital, and Department of Pharmacology at College of Pharmacy (The Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), Harbin Medical University, Harbin, 150086, China
| | - Benzhi Cai
- Department of Pharmacy at The Second Affiliated Hospital, and Department of Pharmacology at College of Pharmacy (The Key Laboratory of Cardiovascular Medicine Research, Ministry of Education), Harbin Medical University, Harbin, 150086, China. .,Institute of Clinical Pharmacy, the Heilongjiang Key Laboratory of Drug Research, Harbin Medical University, Harbin, 150086, China. .,Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, Harbin, 150086, China.
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27
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Abstract
Heart regeneration is a remarkable process whereby regrowth of damaged cardiac tissue rehabilitates organ anatomy and function. Unfortunately, the human heart is highly resistant to regeneration, which creates a shortage of cardiomyocytes in the wake of ischemic injury, and explains, in part, why coronary artery disease remains a leading cause of death worldwide. Luckily, a detailed blueprint for achieving therapeutic heart regeneration already exists in nature because several lower vertebrate species successfully regenerate amputated or damaged heart muscle through robust cardiomyocyte proliferation. A growing number of species are being interrogated for cardiac regenerative potential, and several commonalities have emerged between those animals showing high or low innate capabilities. In this review, we provide a historical perspective on the field, discuss how regenerative potential is influenced by cardiomyocyte properties, mitogenic signals, and chromatin accessibility, and highlight unanswered questions under active investigation. Ultimately, delineating why heart regeneration occurs preferentially in some organisms, but not in others, will uncover novel therapeutic inroads for achieving cardiac restoration in humans.
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Affiliation(s)
- Hui-Min Yin
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
| | - C Geoffrey Burns
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Caroline E Burns
- Division of Basic and Translational Cardiovascular Research, Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts 02115, USA
- Harvard Medical School, Boston, Massachusetts 02115, USA
- Harvard Stem Cell Institute, Cambridge, Massachusetts 02138, USA
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28
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Chiang KY, Li YW, Li YH, Huang SJ, Wu CL, Gong HY, Wu JL. Progranulin A Promotes Compensatory Hepatocyte Proliferation via HGF/c-Met Signaling after Partial Hepatectomy in Zebrafish. Int J Mol Sci 2021; 22:ijms222011217. [PMID: 34681875 PMCID: PMC8538350 DOI: 10.3390/ijms222011217] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/14/2021] [Accepted: 10/16/2021] [Indexed: 01/11/2023] Open
Abstract
Compensatory hepatocyte proliferation and other liver regenerative processes are activated to sustain normal physiological function after liver injury. A major mitogen for liver regeneration is hepatocyte growth factor (HGF), and a previous study indicated that progranulin could modulate c-met, the receptor for HGF, to initiate hepatic outgrowth from hepatoblasts during embryonic development. However, a role for progranulin in compensatory hepatocyte proliferation has not been shown previously. Therefore, this study was undertaken to clarify whether progranulin plays a regulatory role during liver regeneration. To this end, we established a partial hepatectomy regeneration model in adult zebrafish that express a liver-specific fluorescent reporter. Using this model, we found that loss of progranulin A (GrnA) function by intraperitoneal-injection of a Vivo-Morpholino impaired and delayed liver regeneration after partial hepatectomy. Furthermore, transcriptome analysis and confirmatory quantitative real-time PCR suggested that cell cycle progression and cell proliferation was not as active in the morphants as controls, which may have been the result of comparative downregulation of the HGF/c-met axis by 36 h after partial hepatectomy. Finally, liver-specific overexpression of GrnA in transgenic zebrafish caused more abundant cell proliferation after partial hepatectomy compared to wild types. Thus, we conclude that GrnA positively regulates HGF/c-met signaling to promote hepatocyte proliferation during liver regeneration.
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Affiliation(s)
- Keng-Yu Chiang
- Department of Life Science, National Taiwan University, Taipei 10617, Taiwan;
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Ya-Wen Li
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Yen-Hsing Li
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Shin-Jie Huang
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
| | - Chih-Lu Wu
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 62145, Taiwan;
| | - Hong-Yi Gong
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20224, Taiwan;
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Jen-Leih Wu
- Institute of Cellular and Organismic Biology, Academia Sinica, Taipei 11529, Taiwan; (Y.-W.L.); (Y.-H.L.); (S.-J.H.)
- College of Life Sciences, National Taiwan Ocean University, Keelung 20224, Taiwan
- Correspondence: ; Tel.: +886-2-27899568
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29
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Messerschmidt VL, Chintapula U, Kuriakose AE, Laboy S, Truong TTD, Kydd LA, Jaworski J, Pan Z, Sadek H, Nguyen KT, Lee J. Notch Intracellular Domain Plasmid Delivery via Poly(Lactic-Co-Glycolic Acid) Nanoparticles to Upregulate Notch Pathway Molecules. Front Cardiovasc Med 2021; 8:707897. [PMID: 34651022 PMCID: PMC8507495 DOI: 10.3389/fcvm.2021.707897] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/20/2021] [Indexed: 12/24/2022] Open
Abstract
Notch signaling is a highly conserved signaling system that is required for embryonic development and regeneration of organs. When the signal is lost, maldevelopment occurs and leads to a lethal state. Delivering exogenous genetic materials encoding Notch into cells can reestablish downstream signaling and rescue cellular functions. In this study, we utilized the negatively charged and FDA approved polymer poly(lactic-co-glycolic acid) to encapsulate Notch Intracellular Domain-containing plasmid in nanoparticles. We show that primary human umbilical vein endothelial cells (HUVECs) readily uptake the nanoparticles with and without specific antibody targets. We demonstrated that our nanoparticles are non-toxic, stable over time, and compatible with blood. We further demonstrated that HUVECs could be successfully transfected with these nanoparticles in static and dynamic environments. Lastly, we elucidated that these nanoparticles could upregulate the downstream genes of Notch signaling, indicating that the payload was viable and successfully altered the genetic downstream effects.
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Affiliation(s)
- Victoria L Messerschmidt
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States.,Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Uday Chintapula
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States.,Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Aneetta E Kuriakose
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States.,Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Samantha Laboy
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States
| | - Thuy Thi Dang Truong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States
| | - LeNaiya A Kydd
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States
| | - Justyn Jaworski
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States
| | - Zui Pan
- College of Nursing and Health Innovation, University of Texas at Arlington, Arlington, TX, United States
| | - Hashem Sadek
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Kytai T Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States.,Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
| | - Juhyun Lee
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, United States.,Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
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30
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Advances in Cardiac Development and Regeneration Using Zebrafish as a Model System for High-Throughput Research. J Dev Biol 2021; 9:jdb9040040. [PMID: 34698193 PMCID: PMC8544412 DOI: 10.3390/jdb9040040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/19/2021] [Accepted: 09/22/2021] [Indexed: 11/16/2022] Open
Abstract
Heart disease is the leading cause of death in the United States and worldwide. Understanding the molecular mechanisms of cardiac development and regeneration will improve diagnostic and therapeutic interventions against heart disease. In this direction, zebrafish is an excellent model because several processes of zebrafish heart development are largely conserved in humans, and zebrafish has several advantages as a model organism. Zebrafish transcriptomic profiles undergo alterations during different stages of cardiac development and regeneration which are revealed by RNA-sequencing. ChIP-sequencing has detected genome-wide occupancy of histone post-translational modifications that epigenetically regulate gene expression and identified a locus with enhancer-like characteristics. ATAC-sequencing has identified active enhancers in cardiac progenitor cells during early developmental stages which overlap with occupancy of histone modifications of active transcription as determined by ChIP-sequencing. CRISPR-mediated editing of the zebrafish genome shows how chromatin modifiers and DNA-binding proteins regulate heart development, in association with crucial signaling pathways. Hence, more studies in this direction are essential to improve human health because they answer fundamental questions on cardiac development and regeneration, their differences, and why zebrafish hearts regenerate upon injury, unlike humans. This review focuses on some of the latest studies using state-of-the-art technology enabled by the elegant yet simple zebrafish.
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31
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Gupta S, Adhikary S, Hui SP. Decoding the proregenerative competence of regulatory T cells through complex tissue regeneration in zebrafish. Clin Exp Immunol 2021; 206:346-353. [PMID: 34529822 DOI: 10.1111/cei.13661] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 12/12/2022] Open
Abstract
Regulatory T cells (Tregs ) are specific subtype of T cells that play a central role in sustaining self-antigen tolerance and restricting inflammatory tissue damage. More recently, additional direct functions of Tregs in mammalian tissue repair have emerged, but the regenerative potential of Tregs in non-mammalian vertebrates has not been explored despite the latter possessing a highly developed adaptive immune system. Why complex organs such as the caudal fin, heart, brain, spinal cord and retina regenerate in certain non-mammalian vertebrates, but not in mammals, is an interesting but unresolved question in the field of regenerative biology. Inflammation has traditionally been thought to be an impediment to regeneration due to the formation of scars. Regenerative decline in higher organisms has been speculated to be the evolutionary advent of adaptive immunity. Recent studies, however, have shown that the innate inflammatory response in non-mammalian organisms is required for organ regeneration. It has also been found that highly advanced adaptive immunity is no longer incompatible with regeneration and for that, Tregs are important. Zebrafish regulatory T cells (zTregs ) migrate rapidly to the injury site in damaged organs, where they facilitate the proliferation of regeneration precursor cells by generating tissue-specific regenerative factors by a process distinct from the canonical anti-inflammatory pathway. We review both reparative and proregenerative roles of Tregs in mammals and zebrafish, respectively, and also give an overview of the forkhead box protein 3 (FoxP3) -dependent immunosuppressive function of Tregs in zebrafish, which makes it a useful model organism for future Treg biology and research.
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Affiliation(s)
- Samudra Gupta
- S. N. Pradhan Centre for Neurosciences, University of Calcutta, Kolkata, India
| | - Satadal Adhikary
- Post Graduate Department of Zoology, ABN Seal College, Cooch Behar, India
| | - Subhra Prakash Hui
- S. N. Pradhan Centre for Neurosciences, University of Calcutta, Kolkata, India
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Ellman DG, Slaiman IM, Mathiesen SB, Andersen KS, Hofmeister W, Ober EA, Andersen DC. Apex Resection in Zebrafish ( Danio rerio) as a Model of Heart Regeneration: A Video-Assisted Guide. Int J Mol Sci 2021; 22:5865. [PMID: 34070781 PMCID: PMC8199168 DOI: 10.3390/ijms22115865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 05/25/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022] Open
Abstract
Ischemic heart disease is one of the leading causes of deaths worldwide. A major hindrance to resolving this challenge lies in the mammalian hearts inability to regenerate after injury. In contrast, zebrafish retain a regenerative capacity of the heart throughout their lifetimes. Apex resection (AR) is a popular zebrafish model for studying heart regeneration, and entails resecting 10-20% of the heart in the apex region, whereafter the regeneration process is monitored until the heart is fully regenerated within 60 days. Despite this popularity, video tutorials describing this technique in detail are lacking. In this paper we visualize and describe the entire AR procedure including anaesthesia, surgery, and recovery. In addition, we show that the concentration and duration of anaesthesia are important parameters to consider, to balance sufficient levels of sedation and minimizing mortality. Moreover, we provide examples of how zebrafish heart regeneration can be assessed both in 2D (immunohistochemistry of heart sections) and 3D (analyses of whole, tissue cleared hearts using multiphoton imaging). In summary, this paper aims to aid beginners in establishing and conducting the AR model in their laboratory, but also to spur further interest in improving the model and its evaluation.
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Affiliation(s)
- Ditte Gry Ellman
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Ibrahim Mohamad Slaiman
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Sabrina Bech Mathiesen
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Kristian Skriver Andersen
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
| | - Wolfgang Hofmeister
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
- Faculty of Health and Medical Sciences, DanStem (Novo Nordisk Foundation Center for Stem Cell Biology), Blegdamsvej 3B, 2200 København H, Denmark;
| | - Elke Annette Ober
- Faculty of Health and Medical Sciences, DanStem (Novo Nordisk Foundation Center for Stem Cell Biology), Blegdamsvej 3B, 2200 København H, Denmark;
| | - Ditte Caroline Andersen
- DCA-Lab, Department of Clinical Biochemistry and Pharmacology, Odense University Hospital, J. B. Winsløwsvej 25, 1. Floor, 5000 Odense C, Denmark; (D.G.E.); (I.M.S.); (S.B.M.); (K.S.A.); (W.H.)
- DCA-Lab, Institute of Clinical Research, University of Southern Denmark, J. B. Winsløwsvej 19, 5000 Odense C, Denmark
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Wang W, Hu YF, Pang M, Chang N, Yu C, Li Q, Xiong JW, Peng Y, Zhang R. BMP and Notch Signaling Pathways differentially regulate Cardiomyocyte Proliferation during Ventricle Regeneration. Int J Biol Sci 2021; 17:2157-2166. [PMID: 34239346 PMCID: PMC8241734 DOI: 10.7150/ijbs.59648] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/14/2021] [Indexed: 01/15/2023] Open
Abstract
Adult mammalian hearts show limited capacity to proliferate after injury, while zebrafish are capable to completely regenerate injured hearts through the proliferation of spared cardiomyocytes. BMP and Notch signaling pathways have been implicated in cardiomyocyte proliferation during zebrafish heart regeneration. However, the molecular mechanism underneath this process as well as the interaction between these two pathways remains to be further explored. In this study we showed BMP signaling was activated after ventricle ablation and acted epistatic downstream of Notch signaling. Inhibition of both signaling pathways differentially influenced ventricle regeneration and cardiomyocyte proliferation, as revealed by time-lapse analysis using a cardiomyocyte-specific FUCCI (fluorescent ubiquitylation-based cell cycle indicator) system. Further experiments revealed that inhibition of BMP and Notch signaling led to cell-cycle arrest at different phases. Overall, our results shed light on the interaction between BMP and Notch signaling pathways and their functions in cardiomyocyte proliferation during cardiac regeneration.
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Affiliation(s)
- Wenyuan Wang
- School of Life Sciences, Fudan University, Shanghai, China
| | - Ye-Fan Hu
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
- School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Meijun Pang
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing, China
| | - Nannan Chang
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing, China
| | - Chunxiao Yu
- School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Qi Li
- School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Jing-Wei Xiong
- Institute of Molecular Medicine, Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Peking University, Beijing, China
| | - Yuanyuan Peng
- School of Life Sciences, Fudan University, Shanghai, China
| | - Ruilin Zhang
- School of Basic Medical Sciences, Wuhan University, Wuhan, China
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van der Pol A, Bouten CVC. A Brief History in Cardiac Regeneration, and How the Extra Cellular Matrix May Turn the Tide. Front Cardiovasc Med 2021; 8:682342. [PMID: 34095264 PMCID: PMC8172606 DOI: 10.3389/fcvm.2021.682342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Accepted: 04/27/2021] [Indexed: 11/13/2022] Open
Abstract
Tissue homeostasis is perturbed by stressful events, which can lead to organ dysfunction and failure. This is particularly true for the heart, where injury resulting from myocardial infarction or ischemic heart disease can result in a cascading event ultimately ending with the loss of functional myocardial tissue and heart failure. To help reverse this loss of healthy contractile tissue, researchers have spent decades in the hopes of characterizing a cell source capable of regenerating the injured heart. Unfortunately, these strategies have proven to be ineffective. With the goal of truly understanding cardiac regeneration, researchers have focused on the innate regenerative abilities of zebrafish and neonatal mammals. This has led to the realization that although cells play an important role in the repair of the diseased myocardium, inducing cardiac regeneration may instead lie in the composition of the extra cellular milieu, specifically the extra cellular matrix. In this review we will briefly summarize the current knowledge regarding cell sources used for cardiac regenerative approaches, since these have been extensively reviewed elsewhere. More importantly, by revisiting innate cardiac regeneration observed in zebrafish and neonatal mammals, we will stress the importance the extra cellular matrix has on reactivating this potential in the adult myocardium. Finally, we will address how we can harness the ability of the extra cellular matrix to guide cardiac repair thereby setting the stage of next generation regenerative strategies.
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Affiliation(s)
- Atze van der Pol
- Eindhoven University of Technology, Department of Biomedical Engineering, Eindhoven, Netherlands
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Kisby T, de Lázaro I, Stylianou M, Cossu G, Kostarelos K. Transient reprogramming of postnatal cardiomyocytes to a dedifferentiated state. PLoS One 2021; 16:e0251054. [PMID: 33951105 PMCID: PMC8099115 DOI: 10.1371/journal.pone.0251054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 04/19/2021] [Indexed: 11/25/2022] Open
Abstract
In contrast to mammals, lower vertebrates are capable of extraordinary myocardial regeneration thanks to the ability of their cardiomyocytes to undergo transient dedifferentiation and proliferation. Somatic cells can be temporarily reprogrammed to a proliferative, dedifferentiated state through forced expression of Oct3/4, Sox2, Klf4 and c-Myc (OSKM). Here, we aimed to induce transient reprogramming of mammalian cardiomyocytes in vitro utilising an OSKM-encoding non-integrating vector. Reprogramming factor expression in postnatal rat and mouse cardiomyocytes triggered rapid but limited cell dedifferentiation. Concomitantly, a significant increase in cell viability, cell cycle related gene expression and Ki67 positive cells was observed consistent with an enhanced cell cycle activation. The transient nature of this partial reprogramming was confirmed as cardiomyocyte-specific cell morphology, gene expression and contractile activity were spontaneously recovered by day 15 after viral transduction. This study provides the first evidence that adenoviral OSKM delivery can induce partial reprogramming of postnatal cardiomyocytes. Therefore, adenoviral mediated transient reprogramming could be a novel and feasible strategy to recapitulate the regenerative mechanisms of lower vertebrates.
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Affiliation(s)
- Thomas Kisby
- Nanomedicine Lab, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Irene de Lázaro
- Nanomedicine Lab, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Maria Stylianou
- Nanomedicine Lab, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Giulio Cossu
- Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
| | - Kostas Kostarelos
- Nanomedicine Lab, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), UAB Campus Bellaterra, Barcelona, Spain
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Biodiversity-based development and evolution: the emerging research systems in model and non-model organisms. SCIENCE CHINA-LIFE SCIENCES 2021; 64:1236-1280. [PMID: 33893979 DOI: 10.1007/s11427-020-1915-y] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2020] [Accepted: 03/16/2021] [Indexed: 02/07/2023]
Abstract
Evolutionary developmental biology, or Evo-Devo for short, has become an established field that, broadly speaking, seeks to understand how changes in development drive major transitions and innovation in organismal evolution. It does so via integrating the principles and methods of many subdisciplines of biology. Although we have gained unprecedented knowledge from the studies on model organisms in the past decades, many fundamental and crucially essential processes remain a mystery. Considering the tremendous biodiversity of our planet, the current model organisms seem insufficient for us to understand the evolutionary and physiological processes of life and its adaptation to exterior environments. The currently increasing genomic data and the recently available gene-editing tools make it possible to extend our studies to non-model organisms. In this review, we review the recent work on the regulatory signaling of developmental and regeneration processes, environmental adaptation, and evolutionary mechanisms using both the existing model animals such as zebrafish and Drosophila, and the emerging nonstandard model organisms including amphioxus, ascidian, ciliates, single-celled phytoplankton, and marine nematode. In addition, the challenging questions and new directions in these systems are outlined as well.
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Zheng L, Du J, Wang Z, Zhou Q, Zhu X, Xiong JW. Molecular regulation of myocardial proliferation and regeneration. CELL REGENERATION (LONDON, ENGLAND) 2021; 10:13. [PMID: 33821373 PMCID: PMC8021683 DOI: 10.1186/s13619-021-00075-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/04/2021] [Indexed: 12/21/2022]
Abstract
Heart regeneration is a fascinating and complex biological process. Decades of intensive studies have revealed a sophisticated molecular network regulating cardiac regeneration in the zebrafish and neonatal mouse heart. Here, we review both the classical and recent literature on the molecular and cellular mechanisms underlying heart regeneration, with a particular focus on how injury triggers the cell-cycle re-entry of quiescent cardiomyocytes to replenish their massive loss after myocardial infarction or ventricular resection. We highlight several important signaling pathways for cardiomyocyte proliferation and propose a working model of how these injury-induced signals promote cardiomyocyte proliferation. Thus, this concise review provides up-to-date research progresses on heart regeneration for investigators in the field of regeneration biology.
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Affiliation(s)
- Lixia Zheng
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Jianyong Du
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Zihao Wang
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Qinchao Zhou
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Xiaojun Zhu
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China.
| | - Jing-Wei Xiong
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
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Gao J, Fan L, Zhao L, Su Y. The interaction of Notch and Wnt signaling pathways in vertebrate regeneration. CELL REGENERATION (LONDON, ENGLAND) 2021; 10:11. [PMID: 33791915 PMCID: PMC8012441 DOI: 10.1186/s13619-020-00072-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 12/14/2020] [Indexed: 12/21/2022]
Abstract
Regeneration is an evolutionarily conserved process in animal kingdoms, however, the regenerative capacities differ from species and organ/tissues. Mammals possess very limited regenerative potential to replace damaged organs, whereas non-mammalian species usually have impressive abilities to regenerate organs. The regeneration process requires proper spatiotemporal regulation from key signaling pathways. The canonical Notch and Wnt signaling pathways, two fundamental signals guiding animal development, have been demonstrated to play significant roles in the regeneration of vertebrates. In recent years, increasing evidence has implicated the cross-talking between Notch and Wnt signals during organ regeneration. In this review, we summarize the roles of Notch signaling and Wnt signaling during several representative organ regenerative events, emphasizing the functions and molecular bases of their interplay in these processes, shedding light on utilizing these two signaling pathways to enhance regeneration in mammals and design legitimate therapeutic strategies.
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Affiliation(s)
- Junying Gao
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, Shandong, China.,College of Fisheries, Ocean University of China, Qingdao, 266003, Shandong, China
| | - Lixia Fan
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, Shandong, China.,College of Fisheries, Ocean University of China, Qingdao, 266003, Shandong, China
| | - Long Zhao
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, Shandong, China. .,College of Fisheries, Ocean University of China, Qingdao, 266003, Shandong, China.
| | - Ying Su
- Institute of Evolution & Marine Biodiversity, Ocean University of China, Qingdao, 266003, Shandong, China. .,College of Marine Life Sciences, Ocean University of China, Qingdao, 266003, Shandong, China.
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39
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Cardiac Resection Injury in Zebrafish. Methods Mol Biol 2021. [PMID: 32857366 DOI: 10.1007/978-1-0716-0668-1_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
The zebrafish (Danio rerio) possesses a spectacular capacity for cardiac regeneration. Zebrafish have been used in cardiac regeneration research for nearly two decades, contributing to the identification of signals and cellular mechanisms as potential targets for human heart repair. Investigations into cardiac regeneration in zebrafish have been facilitated by multiple methods of inducing cardiac tissue damage. Among the established methods, cardiac resection injury is a relatively simple, yet robust approach traditionally used to induce cardiac tissue damage in a reproducible manner. Here, we describe a detailed protocol to perform a cardiac resection injury in adult zebrafish and discuss potential complications for researchers who are new to this technique.
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40
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Ventricular Cryoinjury as a Model to Study Heart Regeneration in Zebrafish. Methods Mol Biol 2021. [PMID: 32857365 DOI: 10.1007/978-1-0716-0668-1_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Zebrafish have the capacity to regenerate most of its organs upon injury, including the heart. Due to its amenability for genetic manipulation, the zebrafish is an excellent model organism to study the cellular and molecular mechanisms promoting heart regeneration. Several cardiac injury models have been developed in zebrafish, including ventricular resection, genetic ablation, and ventricular cryoinjury. This chapter provides a detailed protocol of zebrafish ventricular cryoinjury and highlights factors and critical steps to be considered when performing this method.
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Cardiac cell type-specific responses to injury and contributions to heart regeneration. CELL REGENERATION 2021; 10:4. [PMID: 33527149 PMCID: PMC7851195 DOI: 10.1186/s13619-020-00065-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
Heart disease is the leading cause of mortality worldwide. Due to the limited proliferation rate of mature cardiomyocytes, adult mammalian hearts are unable to regenerate damaged cardiac muscle following injury. Instead, injured area is replaced by fibrotic scar tissue, which may lead to irreversible cardiac remodeling and organ failure. In contrast, adult zebrafish and neonatal mammalian possess the capacity for heart regeneration and have been widely used as experimental models. Recent studies have shown that multiple types of cells within the heart can respond to injury with the activation of distinct signaling pathways. Determining the specific contributions of each cell type is essential for our understanding of the regeneration network organization throughout the heart. In this review, we provide an overview of the distinct functions and coordinated cell behaviors of several major cell types including cardiomyocytes, endocardial cells, epicardial cells, fibroblasts, and immune cells. The topic focuses on their specific responses and cellular plasticity after injury, and potential therapeutic applications.
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Li H, Chang C, Li X, Zhang R. The roles and activation of endocardial Notch signaling in heart regeneration. CELL REGENERATION (LONDON, ENGLAND) 2021; 10:3. [PMID: 33521843 PMCID: PMC7847831 DOI: 10.1186/s13619-020-00060-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 09/07/2020] [Indexed: 12/14/2022]
Abstract
As a highly conserved signaling pathway in metazoans, the Notch pathway plays important roles in embryonic development and tissue regeneration. Recently, cardiac injury and regeneration have become an increasingly popular topic for biomedical research, and Notch signaling has been shown to exert crucial functions during heart regeneration as well. In this review, we briefly summarize the molecular functions of the endocardial Notch pathway in several cardiac injury and stress models. Although there is an increase in appreciating the importance of endocardial Notch signaling in heart regeneration, the mechanism of its activation is not fully understood. This review highlights recent findings on the activation of the endocardial Notch pathway by hemodynamic blood flow change in larval zebrafish ventricle after partial ablation, a process involving primary cilia, mechanosensitive ion channel Trpv4 and mechanosensitive transcription factor Klf2.
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Affiliation(s)
- Huicong Li
- School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Cheng Chang
- School of Basic Medical Sciences, Wuhan University, Wuhan, China
| | - Xueyu Li
- School of Life Sciences, Fudan University, Shanghai, China.
| | - Ruilin Zhang
- School of Basic Medical Sciences, Wuhan University, Wuhan, China.
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43
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Missinato MA, Zuppo DA, Watkins SC, Bruchez MP, Tsang M. Zebrafish heart regenerates after chemoptogenetic cardiomyocyte depletion. Dev Dyn 2021; 250:986-1000. [PMID: 33501711 DOI: 10.1002/dvdy.305] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 12/17/2020] [Accepted: 01/14/2021] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Zebrafish can regenerate adult cardiac tissue following injuries from ventricular apex amputation, cryoinjury, and cardiomyocyte genetic ablation. Here, we characterize cardiac regeneration from cardiomyocyte chemoptogenetic ablation caused by localized near-infrared excited photosensitizer-mediated reactive oxygen species (ROS) generation. RESULTS Exposure of transgenic adult zebrafish, Tg(myl7:fapdl5-cerulean), to di-iodinated derivative of the cell- permeable Malachite Green ester fluorogen (MG-2I) and whole-body illumination with 660 nm light resulted in cytotoxic damage to about 30% of cardiac tissue. After chemoptogenetic cardiomyocyte ablation, heart function was compromised, and macrophage infiltration was detected, but epicardial and endocardial activation response was much muted when compared to ventricular amputation. The spared cardiomyocytes underwent proliferation and restored the heart structure and function in 45-60 days after ablation. CONCLUSIONS This cardiomyocyte ablation system did not appear to activate the epicardium and endocardium as is noted in other cardiac injury models. This approach represents a useful model to study specifically cardiomyocyte injury, proliferation and regeneration in the absence of whole organ activation. Moreover, this system can be adapted to ablate distinct cell populations in any organ system to study their function in regeneration.
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Affiliation(s)
- Maria A Missinato
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.,Avidity Biosciences, Inc., La Jolla, California, USA
| | - Daniel A Zuppo
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Simon C Watkins
- Department of Cell Biology, Center for Biologic Imaging, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Marcel P Bruchez
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA.,Department of Biological Sciences, Molecular Biosensor and Imaging Center, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
| | - Michael Tsang
- Department of Developmental Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Riching AS, Song K. Cardiac Regeneration: New Insights Into the Frontier of Ischemic Heart Failure Therapy. Front Bioeng Biotechnol 2021; 8:637538. [PMID: 33585427 PMCID: PMC7873479 DOI: 10.3389/fbioe.2020.637538] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 12/29/2020] [Indexed: 12/17/2022] Open
Abstract
Ischemic heart disease is the leading cause of morbidity and mortality in the world. While pharmacological and surgical interventions developed in the late twentieth century drastically improved patient outcomes, mortality rates over the last two decades have begun to plateau. Following ischemic injury, pathological remodeling leads to cardiomyocyte loss and fibrosis leading to impaired heart function. Cardiomyocyte turnover rate in the adult heart is limited, and no clinical therapies currently exist to regenerate cardiomyocytes lost following ischemic injury. In this review, we summarize the progress of therapeutic strategies including revascularization and cell-based interventions to regenerate the heart: transiently inducing cardiomyocyte proliferation and direct reprogramming of fibroblasts into cardiomyocytes. Moreover, we highlight recent mechanistic insights governing these strategies to promote heart regeneration and identify current challenges in translating these approaches to human patients.
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Affiliation(s)
- Andrew S. Riching
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Kunhua Song
- Division of Cardiology, Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Gates Center for Regenerative Medicine and Stem Cell Biology, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- The Consortium for Fibrosis Research & Translation, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
- Pharmacology Graduate Program, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
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45
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Regulation of cardiomyocyte fate plasticity: a key strategy for cardiac regeneration. Signal Transduct Target Ther 2021; 6:31. [PMID: 33500391 PMCID: PMC7838318 DOI: 10.1038/s41392-020-00413-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 08/11/2020] [Accepted: 10/26/2020] [Indexed: 01/14/2023] Open
Abstract
With the high morbidity and mortality rates, cardiovascular diseases have become one of the most concerning diseases worldwide. The heart of adult mammals can hardly regenerate naturally after injury because adult cardiomyocytes have already exited the cell cycle, which subseqently triggers cardiac remodeling and heart failure. Although a series of pharmacological treatments and surgical methods have been utilized to improve heart functions, they cannot replenish the massive loss of beating cardiomyocytes after injury. Here, we summarize the latest research progress in cardiac regeneration and heart repair through altering cardiomyocyte fate plasticity, which is emerging as an effective strategy to compensate for the loss of functional cardiomyocytes and improve the impaired heart functions. First, residual cardiomyocytes in damaged hearts re-enter the cell cycle to acquire the proliferative capacity by the modifications of cell cycle-related genes or regulation of growth-related signals. Additionally, non-cardiomyocytes such as cardiac fibroblasts, were shown to be reprogrammed into cardiomyocytes and thus favor the repair of damaged hearts. Moreover, pluripotent stem cells have been shown to transform into cardiomyocytes to promote heart healing after myocardial infarction (MI). Furthermore, in vitro and in vivo studies demonstrated that environmental oxygen, energy metabolism, extracellular factors, nerves, non-coding RNAs, etc. play the key regulatory functions in cardiac regeneration. These findings provide the theoretical basis of targeting cellular fate plasticity to induce cardiomyocyte proliferation or formation, and also provide the clues for stimulating heart repair after injury.
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46
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Helston O, Amaya E. Reactive oxygen species during heart regeneration in zebrafish: Lessons for future clinical therapies. Wound Repair Regen 2021; 29:211-224. [PMID: 33471940 PMCID: PMC8611801 DOI: 10.1111/wrr.12892] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/30/2020] [Accepted: 12/22/2020] [Indexed: 11/30/2022]
Abstract
In humans, myocardial infarction (MI) is associated with irreversible damage to heart tissue, resulting in increased morbidity and mortality in patients. By comparison, the zebrafish (Danio rerio) is capable of repairing damaged and injured hearts by activating a full regenerative response. By studying model organisms that can regenerate loss heart tissue following injury, such as the zebrafish, a greater insight will be gained into the molecular pathways that can induce and sustain a regenerative response following injury. There is hope that such information may lead to new treatments or therapies aimed at stimulating a better regenerative response in humans that have suffered heart attacks. Recent findings in zebrafish have highlighted an important role for sustained elevated levels of Reactive Oxygen Species (ROS), including hydrogen peroxide (H2O2) in the promotion of a regenerative response. Given that elevated levels of H2O2 can be harmful, simply elevating ROS levels directly may not be easy or practical to translate clinically. An alternative approach would be to identify the critical downstream targets of ROS in the promotion of heart regeneration, and then target these clinically using drugs. One such family of potential downstream targets of ROS during heart regeneration are the family of protein tyrosine phosphatases (PTPs), which are known to be exquisitely sensitive to redox regulation and whose inhibition have been linked to the promotion of heart regeneration in zebrafish. In this review, we present an overview of the zebrafish as a model organism for studying cardiac regeneration, including the molecular mechanisms by which cardiac regeneration occurs in response to injury. We then present recent findings linking elevated ROS levels to heart regeneration and their potential downstream targets, the PTPs, including protein tyrosine phosphatase 1B (PTP1B) and the dual specificity phosphatase 6 (DUSP6) in the promotion of heart regeneration.
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Affiliation(s)
- Olivia Helston
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
| | - Enrique Amaya
- Division of Cell Matrix Biology and Regenerative Medicine, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK
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Massoz L, Dupont MA, Manfroid I. Zebra-Fishing for Regenerative Awakening in Mammals. Biomedicines 2021; 9:65. [PMID: 33445518 PMCID: PMC7827770 DOI: 10.3390/biomedicines9010065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/04/2021] [Accepted: 01/05/2021] [Indexed: 02/07/2023] Open
Abstract
Regeneration is defined as the ability to regrow an organ or a tissue destroyed by degeneration or injury. Many human degenerative diseases and pathologies, currently incurable, could be cured if functional tissues or cells could be restored. Unfortunately, humans and more generally mammals have limited regenerative capabilities, capacities that are even further declining with age, contrary to simpler organisms. Initially thought to be lost during evolution, several studies have revealed that regenerative mechanisms are still present in mammals but are latent and thus they could be stimulated. To do so there is a pressing need to identify the fundamental mechanisms of regeneration in species able to efficiently regenerate. Thanks to its ability to regenerate most of its organs and tissues, the zebrafish has become a powerful model organism in regenerative biology and has recently engendered a number of studies attesting the validity of awakening the regenerative potential in mammals. In this review we highlight studies, particularly in the liver, pancreas, retina, heart, brain and spinal cord, which have identified conserved regenerative molecular events that proved to be beneficial to restore murine and even human cells and which helped clarify the real clinical translation potential of zebrafish research to mammals.
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Affiliation(s)
| | | | - Isabelle Manfroid
- Zebrafish Development and Disease Models Laboratory, GIGA-Stem Cells, University of Liège, B-4000 Liège, Belgium; (L.M.); (M.A.D.)
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Tahara N, Akiyama R, Wang J, Kawakami H, Bessho Y, Kawakami Y. The FGF-AKT pathway is necessary for cardiomyocyte survival for heart regeneration in zebrafish. Dev Biol 2021; 472:30-37. [PMID: 33444612 DOI: 10.1016/j.ydbio.2020.12.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 12/12/2020] [Accepted: 12/28/2020] [Indexed: 12/13/2022]
Abstract
Zebrafish have a remarkable ability to regenerate the myocardium after injury by proliferation of pre-existing cardiomyocytes. Fibroblast growth factor (FGF) signaling is known to play a critical role in zebrafish heart regeneration through promotion of neovascularization of the regenerating myocardium. Here, we define an additional function of FGF signaling in the zebrafish myocardium after injury. We find that FGF signaling is active in a small fraction of cardiomyocytes before injury, and that the number of FGF signaling-positive cardiomyocytes increases after amputation-induced injury. We show that ERK phosphorylation is prominent in endothelial cells, but not in cardiomyocytes. In contrast, basal levels of phospho-AKT positive cardiomyocytes are detected before injury, and the ratio of phosphorylated AKT-positive cardiomyocytes increases after injury, indicating a role of AKT signaling in cardiomyocytes following injury. Inhibition of FGF signaling reduced the number of phosphorylated AKT-positive cardiomyocytes and increased cardiomyocyte death without injury. Heart injury did not induce cardiomyocyte death; however, heart injury in combination with inhibition of FGF signaling caused significant increase in cardiomyocyte death. Pharmacological inhibition of AKT signaling after heart injury also caused increased cardiomyocyte death. Our data support the idea that FGF-AKT signaling-dependent cardiomyocyte survival is necessary for subsequent heart regeneration.
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Affiliation(s)
- Naoyuki Tahara
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA; Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA; Developmental Biology Center, University of Minnesota, Minneapolis, MN, USA
| | - Ryutaro Akiyama
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA; Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA; Developmental Biology Center, University of Minnesota, Minneapolis, MN, USA; Gene Regulation Research, Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Justin Wang
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA
| | - Hiroko Kawakami
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA; Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA; Developmental Biology Center, University of Minnesota, Minneapolis, MN, USA
| | - Yasumasa Bessho
- Gene Regulation Research, Division of Biological Science, Graduate School of Science and Technology, Nara Institute of Science and Technology, Ikoma, Japan
| | - Yasuhiko Kawakami
- Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN, USA; Stem Cell Institute, University of Minnesota, Minneapolis, MN, USA; Developmental Biology Center, University of Minnesota, Minneapolis, MN, USA.
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49
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Zhu Y, Do VD, Richards AM, Foo R. What we know about cardiomyocyte dedifferentiation. J Mol Cell Cardiol 2020; 152:80-91. [PMID: 33275936 DOI: 10.1016/j.yjmcc.2020.11.016] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/22/2020] [Accepted: 11/27/2020] [Indexed: 12/16/2022]
Abstract
Cardiomyocytes (CMs) lost during cardiac injury and heart failure (HF) cannot be replaced due to their limited proliferative capacity. Regenerating the failing heart by promoting CM cell-cycle re-entry is an ambitious solution, currently vigorously pursued. Some genes have been proven to promote endogenous CM proliferation, believed to be preceded by CM dedifferentiation, wherein terminally differentiated CMs are initially reversed back to the less mature state which precedes cell division. However, very little else is known about CM dedifferentiation which remains poorly defined. We lack robust molecular markers and proper understanding of the mechanisms driving dedifferentiation. Even the term dedifferentiation is debated because there is no objective evidence of pluripotency, and could rather reflect CM plasticity instead. Nonetheless, the significance of CM transition states on cardiac function, and whether they necessarily lead to CM proliferation, remains unclear. This review summarises the current state of knowledge of both natural and experimentally induced CM dedifferentiation in non-mammalian vertebrates (primarily the zebrafish) and mammals, as well as the phenotypes and molecular mechanisms involved. The significance and potential challenges of studying CM dedifferentiation are also discussed. In summary, CM dedifferentiation, essential for CM plasticity, may have an important role in heart regeneration, thereby contributing to the prevention and treatment of heart disease. More attention is needed in this field to overcome the technical limitations and knowledge gaps.
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Affiliation(s)
- Yike Zhu
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore
| | - Vinh Dang Do
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore
| | - A Mark Richards
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore
| | - Roger Foo
- Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, Singapore; Cardiovascular Disease Translational Research Programme, National University Health Systems, Singapore; Genome Institute of Singapore, Agency of Science Research and Technology, Singapore.
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50
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Pang M, Xiong C, Xiao C, Du J, Zheng L, Bai L, Zhu X, Xiong JW. Critical role of zebrafish dnajb5 in myocardial proliferation and regeneration. J Genet Genomics 2020; 47:493-496. [PMID: 33191150 DOI: 10.1016/j.jgg.2020.07.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/30/2020] [Accepted: 07/15/2020] [Indexed: 10/23/2022]
Affiliation(s)
- Meijun Pang
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Connie Xiong
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Chenglu Xiao
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Jianyong Du
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Lixia Zheng
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Linlu Bai
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China
| | - Xiaojun Zhu
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China
| | - Jing-Wei Xiong
- Beijing Key Laboratory of Cardiometabolic Molecular Medicine, Institute of Molecular Medicine and State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing, 100871, China; Academy for Advanced Interdisciplinary Studies, Peking University, Beijing, 100871, China.
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