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Fortini F, Vieceli Dalla Sega F, Lazzarini E, Aquila G, Sysa-Shah P, Bertero E, Ascierto A, Severi P, Ouambo Talla AW, Schirone A, Gabrielson K, Morciano G, Patergnani S, Pedriali G, Pinton P, Ferrari R, Tremoli E, Ameri P, Rizzo P. ErbB2-NOTCH1 axis controls autophagy in cardiac cells. Biofactors 2024. [PMID: 38994725 DOI: 10.1002/biof.2091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 06/16/2024] [Indexed: 07/13/2024]
Abstract
Although the epidermal growth factor receptor 2 (ErbB2) and Notch1 signaling pathways have both significant roles in regulating cardiac biology, their interplay in the heart remains poorly investigated. Here, we present evidence of a crosstalk between ErbB2 and Notch1 in cardiac cells, with effects on autophagy and proliferation. Overexpression of ErbB2 in H9c2 cardiomyoblasts induced Notch1 activation in a post-transcriptional, p38-dependent manner, while ErbB2 inhibition with the specific inhibitor, lapatinib, reduced Notch1 activation. Moreover, incubation of H9c2 cells with lapatinib resulted in stalled autophagic flux and decreased proliferation, consistent with the established cardiotoxicity of this and other ErbB2-targeting drugs. Confirming the findings in H9c2 cells, exposure of primary neonatal mouse cardiomyocytes to exogenous neuregulin-1, which engages ErbB2, stimulated proliferation, and this effect was abrogated by concomitant inhibition of the enzyme responsible for Notch1 activation. Furthermore, the hearts of transgenic mice specifically overexpressing ErbB2 in cardiomyocytes had increased levels of active Notch1 and of Notch-related genes. These data expand the knowledge of ErbB2 and Notch1 functions in the heart and may allow better understanding the mechanisms of the cardiotoxicity of ErbB2-targeting cancer treatments.
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Affiliation(s)
| | | | - Edoardo Lazzarini
- Laboratory for Cardiovascular Theranostics, Cardiocentro Ticino Institute, Ente Ospedaliero Cantonale Lugano, Lugano, Switzerland
- Euler Institute, Faculty of Biomedical Sciences, Università della Svizzera italiana, Lugano, Switzerland
| | - Giorgio Aquila
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Polina Sysa-Shah
- The Brady Urological Institute and Department of Urology, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
| | - Edoardo Bertero
- Department of Internal Medicine and Specialties (Di.M.I.), University of Genova, Genova, Italy
| | - Alessia Ascierto
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Paolo Severi
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Achille Wilfred Ouambo Talla
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Alessio Schirone
- Oncology and Hematology Department, Azienda Ospedaliero-Universitaria di Ferrara, Ferrara, Italy
| | - Kathleen Gabrielson
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Baltimore, Maryland, USA
| | - Giampaolo Morciano
- GVM Care & Research, Maria Cecilia Hospital, Ravenna, Italy
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Simone Patergnani
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Gaia Pedriali
- GVM Care & Research, Maria Cecilia Hospital, Ravenna, Italy
| | - Paolo Pinton
- GVM Care & Research, Maria Cecilia Hospital, Ravenna, Italy
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Roberto Ferrari
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Elena Tremoli
- GVM Care & Research, Maria Cecilia Hospital, Ravenna, Italy
| | - Pietro Ameri
- Department of Internal Medicine and Specialties (Di.M.I.), University of Genova, Genova, Italy
- Cardiac, Thoracic, and Vascular Department, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Paola Rizzo
- GVM Care & Research, Maria Cecilia Hospital, Ravenna, Italy
- Department of Translational Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
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Wang L, Li W, Zhang X, Zhang Y, Chen G, Zhou X, Xv D, Wu Q. Resveratrol prevents age-related heart impairment through inhibiting the Notch/NF-κB pathway. Food Sci Nutr 2024; 12:1035-1045. [PMID: 38370061 PMCID: PMC10867470 DOI: 10.1002/fsn3.3817] [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: 06/23/2023] [Revised: 10/25/2023] [Accepted: 10/27/2023] [Indexed: 02/20/2024] Open
Abstract
Resveratrol (RSV) is a natural polyphenol compound found in various plants that has been shown to have potential benefits for preventing aging and supporting cardiovascular health. However, the specific signal pathway by which RSV protects the aging heart is not yet well understood. This study aimed to explore the protective effects of RSV against age-related heart injury and investigate the underlying mechanisms using a D-galactose-induced aging model. The results of the study indicated that RSV provided protection against age-related heart impairment in mice. This was evidenced by the reduction of cardiac histopathological changes as well as the attenuation of apoptosis. RSV-induced cardioprotection was linked to a significant increase in antioxidant activity and mitochondrial transmembrane potential, as well as a reduction in oxidative damage. Additionally, RSV inhibited the production of pro-inflammatory cytokines such as interleukin-1β (IL-1β) and tumor necrosis factor-α (TNF-α). Furthermore, the expression of toll-like receptor 4 (TLR4), nuclear factor kappa-B p65 (NF-κB p65), and notch 1 protein were inhibited by RSV, indicating that inhibiting the Notch/NF-κB pathway played a critical role in RSV-triggered heart protection in aging mice. Moreover, further data on intestinal function demonstrated that RSV significantly increased short-chain fatty acids (SCFAs) in intestinal contents and reduced the pH value in the feces of aging mice. RSV alleviated aging-induced cardiac dysfunction through the suppression of oxidative stress and inflammation via the Notch/NF-κB pathway in heart tissue. Furthermore, this therapeutic effect was found to be associated with its protective roles in the intestine.
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Affiliation(s)
- Le‐Feng Wang
- Jiangxi Province Key Laboratory of Laboratory MedicineDepartment of Clinical LaboratoryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
- Department of OphthalmologyWest China HospitalSichuan UniversityChengduChina
| | - Wen‐Juan Li
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Xian‐Yi Zhang
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Yi‐Chi Zhang
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Guang‐Feng Chen
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Xing‐Yu Zhou
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Dong‐Mei Xv
- State Key Laboratory of Food Science and TechnologyNanchang UniversityNanchangChina
| | - Qiong Wu
- Jiangxi Province Key Laboratory of Laboratory MedicineDepartment of Clinical LaboratoryThe Second Affiliated Hospital of Nanchang UniversityNanchangChina
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Gao Q, Lu Y, Zhou W. Specific knockout of notch-1 attenuates non-alcoholic fatty liver disease by promoting SHP2 phosphorylation. Aging (Albany NY) 2023; 15:14323-14332. [PMID: 38095642 PMCID: PMC10756087 DOI: 10.18632/aging.205305] [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: 07/05/2023] [Accepted: 11/03/2023] [Indexed: 12/21/2023]
Abstract
OBJECTIVE To investigate the effect of Notch-1 signaling on NAFLD and its molecular mechanism. METHODS The lipid deposition in liver tissues was detected by oil red O staining. Western blotting was performed to detect the expressions of SREBP1C, SREBP2, LXR, IL-1β, IL-18, NLRP3, Notch-1, NOX2, NOX4, p-PI3K and p-SHP2 in macrophages, and the expressions of ALIX, CD9, IL-1β and SREBP1C in exosomes. Macrophages in the Notch-1MAC-KO group and Notch-1WT group were treated with FFA, and those in the Notch-1WT+FFA group and Notch-1MAC-KO+FFA group were treated with SHP2 inhibitors PHPS1 and Relaxin. RESULTS It was observed by oil red O staining that lipid deposition in mice with NAFLD was reduced in the Notch-1MAC-KO group. The results of Western blotting showed that the expressions of ALIX, CD9, IL-1β and SREBP1C in macrophage exosomes were significantly lower in the Notch-1MAC-KO group than in the Notch-1WT group. In macrophages, the expressions of SREBP1C, SREBP2, LXR, IL-1β, IL-18, Notch-1, NOX2, NOX4 and p-PI3K significantly decreased, while the expression of p-SHP2 significantly increased in the Notch-1MAC-KO group compared with the Notch-1WT group. The Notch-1MAC-KO+FFA group had significantly decreased expressions of SREBP1C, NLRP3, IL-1β, IL-18, SREBP2, NOX2, NOX4 and p-PI3K and a significantly increased expression of p-SHP2 compared with the Notch-1WT+FFA group. However, the differences in the above proteins were all eliminated after PHPS1 and Relaxin were added. CONCLUSION Specific knockout of Notch-1 attenuates NAFLD, and reduces inflammation and lipid deposition in the liver by promoting SHP2 phosphorylation.
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Affiliation(s)
- Qian Gao
- Department of Endocrine and Metabolic Diseases, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050000, China
| | - Yonggang Lu
- Clinical Laboratory, Hebei General Hospital, Shijiazhuang 050000, China
| | - Weiling Zhou
- Department of Endocrine and Metabolic Diseases, The Fourth Hospital of Hebei Medical University, Shijiazhuang 050000, China
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Langa P, Shafaattalab S, Goldspink PH, Wolska BM, Fernandes AA, Tibbits GF, Solaro RJ. A perspective on Notch signalling in progression and arrhythmogenesis in familial hypertrophic and dilated cardiomyopathies. Philos Trans R Soc Lond B Biol Sci 2023; 378:20220176. [PMID: 37122209 PMCID: PMC10150215 DOI: 10.1098/rstb.2022.0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/13/2022] [Indexed: 05/02/2023] Open
Abstract
In this perspective, we discussed emerging data indicating a role for Notch signalling in inherited disorders of the heart failure with focus on hypertrophic cardiomyopathy (HCM) and dilated cardiomyopathy (DCM) linked to variants of genes encoding mutant proteins of the sarcomere. We recently reported an upregulation of elements in the Notch signalling cascade in cardiomyocytes derived from human inducible pluripotent stem cells expressing a TNNT2 variant encoding cardiac troponin T (cTnT-I79N+/-), which induces hypertrophy, remodelling, abnormalities in excitation-contraction coupling and electrical instabilities (Shafaattalab S et al. 2021 Front. Cell Dev. Biol. 9, 787581. (doi:10.3389/fcell.2021.787581)). Our search of the literature revealed the novelty of this finding and stimulated us to discuss potential connections between the Notch signalling pathway and familial cardiomyopathies. Our considerations focused on the potential role of these interactions in arrhythmias, microvascular ischaemia, and fibrosis. This finding underscored a need to consider the role of Notch signalling in familial cardiomyopathies which are trigged by sarcomere mutations engaging mechano-signalling pathways for which there is evidence of a role for Notch signalling with crosstalk with Hippo signalling. Our discussion included a role for both cardiac myocytes and non-cardiac myocytes in progression of HCM and DCM. This article is part of the theme issue 'The heartbeat: its molecular basis and physiological mechanisms'.
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Affiliation(s)
- Paulina Langa
- Department of Physiology and Biophysics and the Center for Cardiovascular Research, Chicago, IL, 60612, USA
| | - Sanam Shafaattalab
- Molecular Biology and Biochemistry; BC Children’s Hospital Research Institute, Vancouver, BC, V5Z 4H4; Simon Fraser University Burnaby, British Columbia, V5A 4H4, Canada
| | - Paul H. Goldspink
- Department of Physiology and Biophysics and the Center for Cardiovascular Research, Chicago, IL, 60612, USA
| | - Beata M. Wolska
- Department of Physiology and Biophysics and the Center for Cardiovascular Research, Chicago, IL, 60612, USA
- Department of Medicine, Division of Cardiology, College of Medicine, University of Illinois at Chicago, Chicago, IL, 60612, USA
| | - Aurelia A. Fernandes
- Department of Physiology and Biophysics and the Center for Cardiovascular Research, Chicago, IL, 60612, USA
| | - Glen F. Tibbits
- Molecular Biology and Biochemistry; BC Children’s Hospital Research Institute, Vancouver, BC, V5Z 4H4; Simon Fraser University Burnaby, British Columbia, V5A 4H4, Canada
| | - R. John Solaro
- Department of Physiology and Biophysics and the Center for Cardiovascular Research, Chicago, IL, 60612, USA
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Floy ME, Shabnam F, Givens SE, Patil VA, Ding Y, Li G, Roy S, Raval AN, Schmuck EG, Masters KS, Ogle BM, Palecek SP. Identifying molecular and functional similarities and differences between human primary cardiac valve interstitial cells and ventricular fibroblasts. Front Bioeng Biotechnol 2023; 11:1102487. [PMID: 37051268 PMCID: PMC10083504 DOI: 10.3389/fbioe.2023.1102487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 02/06/2023] [Indexed: 03/29/2023] Open
Abstract
Introduction: Fibroblasts are mesenchymal cells that predominantly produce and maintain the extracellular matrix (ECM) and are critical mediators of injury response. In the heart, valve interstitial cells (VICs) are a population of fibroblasts responsible for maintaining the structure and function of heart valves. These cells are regionally distinct from myocardial fibroblasts, including left ventricular cardiac fibroblasts (LVCFBs), which are located in the myocardium in close vicinity to cardiomyocytes. Here, we hypothesize these subpopulations of fibroblasts are transcriptionally and functionally distinct. Methods: To compare these fibroblast subtypes, we collected patient-matched samples of human primary VICs and LVCFBs and performed bulk RNA sequencing, extracellular matrix profiling, and functional contraction and calcification assays. Results: Here, we identified combined expression of SUSD2 on a protein-level, and MEOX2, EBF2 and RHOU at a transcript-level to be differentially expressed in VICs compared to LVCFBs and demonstrated that expression of these genes can be used to distinguish between the two subpopulations. We found both VICs and LVCFBs expressed similar activation and contraction potential in vitro, but VICs showed an increase in ALP activity when activated and higher expression in matricellular proteins, including cartilage oligomeric protein and alpha 2-Heremans-Schmid glycoprotein, both of which are reported to be linked to calcification, compared to LVCFBs. Conclusion: These comparative transcriptomic, proteomic, and functional studies shed novel insight into the similarities and differences between valve interstitial cells and left ventricular cardiac fibroblasts and will aid in understanding region-specific cardiac pathologies, distinguishing between primary subpopulations of fibroblasts, and generating region-specific stem-cell derived cardiac fibroblasts.
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Affiliation(s)
- Martha E. Floy
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Fathima Shabnam
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Sophie E. Givens
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Vaidehi A. Patil
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Yunfeng Ding
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Grace Li
- Department of Chemical Engineering, University of Florida, Gainesville, FL, United States
| | - Sushmita Roy
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Amish N. Raval
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Eric G. Schmuck
- Department of Medicine, University of Wisconsin-Madison, Madison, WI, United States
| | - Kristyn S. Masters
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, United States
| | - Brenda M. Ogle
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
- Stem Cell Institute, University of Minnesota, Minneapolis, MN, United States
| | - Sean P. Palecek
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, Madison, WI, United States
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Kumar S, Shih CM, Tsai LW, Dubey R, Gupta D, Chakraborty T, Sharma N, Singh AV, Swarup V, Singh HN. Transcriptomic Profiling Unravels Novel Deregulated Gene Signatures Associated with Acute Myocardial Infarction: A Bioinformatics Approach. Genes (Basel) 2022; 13:genes13122321. [PMID: 36553589 PMCID: PMC9777571 DOI: 10.3390/genes13122321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/03/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
Acute myocardial infarction (AMI) is a severe disease with elevated morbidity and mortality rate worldwide. This is attributed to great losses of cardiomyocytes, which can trigger the alteration of gene expression patterns. Although several attempts have been made to assess the AMI biomarkers, to date their role in rescuing myocardial injury remains unclear. Therefore, the current study investigated three independent microarray-based gene expression datasets from AMI patients (n = 85) and their age-sex-matched healthy controls (n = 70), to identify novel gene signatures that might be involved in cardioprotection. The differentially expressed genes (DEGs) were analyzed using 'GEO2R', and weighted gene correlation network analysis (WGCNA) was performed to identify biomarkers/modules. We found 91 DEGs, of which the number of upregulated and downregulated genes were 22 and 5, respectively. Specifically, we found that the deregulated genes such as ADOR-A3, BMP6, VPS8, and GPx3, may be associated with AMI. WGCNA revealed four highly preserved modules among all datasets. The 'Enrichr' unveiled the presence of miR-660 and STAT1, which is known to affect AMI severity. Conclusively, these genes and miRNA might play a crucial role the rescue of cardiomyocytes from severe damage, which could be helpful in developing appropriate therapeutic strategies for the management of AMI.
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Affiliation(s)
- Sanjay Kumar
- Department of Life Science, Sharda School of Basic Sciences and Research, Sharda University, Knowledge Park-III, Greater Noida 201310, India
| | - Chun-Ming Shih
- Division of Cardiology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei 111031, Taiwan
- Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei 111031, Taiwan
| | - Lung-Wen Tsai
- Department of Medicine Research, Taipei Medical University Hospital, Taipei 111031, Taiwan
- Department of Information Technology Office, Taipei Medical University Hospital, Taipei 11031, Taiwan
- Graduate Institute of Data Science, College of Management, Taipei Medical University, Taipei 11031, Taiwan
| | - Rajni Dubey
- Division of Cardiology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei 111031, Taiwan
| | - Deepika Gupta
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Tanmoy Chakraborty
- Department of Chemistry and Biochemistry, Sharda School of Basic Sciences and Research, Sharda University, Knowledge Park-III, Greater Noida 201310, India
| | - Naveen Sharma
- Biomedical Informatics Division, Indian Council of Medical Research, New Delhi 110029, India
| | | | - Vishnu Swarup
- Department of Neurology, All India Institute of Medical Sciences, New Delhi 110029, India
- Correspondence: (V.S.); or (H.N.S.)
| | - Himanshu Narayan Singh
- Department of System Biology, University of Columbia Irving Medical Center, New York, NY 10032, USA
- Correspondence: (V.S.); or (H.N.S.)
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7
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The Role of the Notch Signaling Pathway in Recovery of Cardiac Function after Myocardial Infarction. Int J Mol Sci 2022; 23:ijms232012509. [PMID: 36293363 PMCID: PMC9604421 DOI: 10.3390/ijms232012509] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 10/06/2022] [Accepted: 10/14/2022] [Indexed: 11/17/2022] Open
Abstract
Myocardial infarction (MI) is a pathological process, evidencing as massive death of cardiomyocytes associated with hypoxic and oxidative stress. The formation of areas of fibrosis ultimately leads to heart failure. There are some mechanisms that contribute to the functional repair of the heart. In most mammals, including humans, the Notch signaling pathway has cardioprotective effects. It is involved in the formation of the heart in embryogenesis and in the restoration of cardiac function after MI due to: (1) reducing oxidative stress; (2) prevention of apoptosis; (3) regulation of inflammation; (4) containment of fibrosis and hypertrophy of cardiomyocytes; (5) tissue revascularization; and (6) regulation of proliferation and differentiation of cardiomyocytes. In addition, the Notch signaling pathway interacts with other signaling cascades involved in the pathogenesis of MI and subsequent cardiac repair. In this review, we consider the Notch signaling pathway as a potential target for therapeutic approaches aimed at improving cardiac recovery after MI.
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Zhou WW, Dai C, Liu WZ, Zhang C, Zhang Y, Yang GS, Guo QH, Li S, Yang HX, Li AY. Gentianella acuta improves TAC-induced cardiac remodelling by regulating the Notch and PI3K/Akt/FOXO1/3 pathways. Biomed Pharmacother 2022; 154:113564. [PMID: 35988427 DOI: 10.1016/j.biopha.2022.113564] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/10/2022] [Accepted: 08/14/2022] [Indexed: 12/18/2022] Open
Abstract
Cardiac remodelling mainly manifests as excessive myocardial hypertrophy and fibrosis, which are associated with heart failure. Gentianella acuta (G. acuta) is reportedly effective in cardiac protection; however, the mechanism by which it protects against cardiac remodelling is not fully understood. Here, we discuss the effects and mechanisms of G. acuta in transverse aortic constriction (TAC)-induced cardiac remodelling in rats. Cardiac function was analysed using echocardiography and electrocardiography. Haematoxylin and eosin, Masson's trichrome, and wheat germ agglutinin staining were used to observe pathophysiological changes. Additionally, real-time quantitative reverse transcription polymerase chain reaction and western blotting were used to measure protein levels and mRNA levels of genes related to myocardial hypertrophy and fibrosis. Immunofluorescence double staining was used to investigate the co-expression of endothelial and interstitial markers. Western blotting was used to estimate the expression and phosphorylation levels of the regulatory proteins involved in autophagy and endothelial-mesenchymal transition (EndMT). The results showed that G. acuta alleviated cardiac dysfunction and remodelling. The elevated levels of myocardial hypertrophy and fibrosis markers, induced by TAC, decreased significantly after G. acuta intervention. G. acuta decreased the expression of LC3 II and Beclin1, and increased p62 expression. G. acuta upregulated the expression of CD31 and vascular endothelial-cadherin, and prevented the expression of α-smooth muscle actin and vimentin. Furthermore, G. acuta inhibited the PI3K/Akt/FOXO1/3a pathway and activated the Notch signalling. These findings demonstrated that G. acuta has cardioprotective effects, such as alleviating myocardial fibrosis, inhibiting hypertrophy, reducing autophagy, and blocking EndMT by regulating the PI3K/Akt/FOXO1/3a and Notch signalling pathways.
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Affiliation(s)
- Wei-Wei Zhou
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China
| | - Cheng Dai
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China
| | - Wei-Zhe Liu
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China; Hebei Higher Education Institute Applied Technology Research Center on TCM Formula Preparation, Shijiazhuang 050091, Hebei, China
| | - Chuang Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China
| | - Yu Zhang
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China
| | - Gao-Shan Yang
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China; Hebei Key Laboratory of Chinese Medicine Research on Cardio-cerebrovascular Disease, Shijiazhuang 050091, Hebei, China
| | - Qiu-Hong Guo
- Department of Pharmacology, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China
| | - Si Li
- Department of Technology, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Hong-Xia Yang
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China.
| | - Ai-Ying Li
- Department of Biochemistry and Molecular Biology, College of Basic Medicine, Hebei University of Chinese Medicine, Shijiazhuang 050200, Hebei, China; Hebei Higher Education Institute Applied Technology Research Center on TCM Formula Preparation, Shijiazhuang 050091, Hebei, China; Hebei Key Laboratory of Chinese Medicine Research on Cardio-cerebrovascular Disease, Shijiazhuang 050091, Hebei, China.
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Liu Z, Li W, Cao Y, Zhang X, Yang K, Yin F, Yang M, Peng P. Effects of the interaction of Notch and TLR4 pathways on inflammation and heart function in septic heart. Open Life Sci 2022; 17:744-755. [PMID: 35891967 PMCID: PMC9281592 DOI: 10.1515/biol-2022-0076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 03/22/2022] [Accepted: 04/07/2022] [Indexed: 11/15/2022] Open
Abstract
We investigated the role of the interaction between the Notch and Toll-like receptor 4 (TLR4) pathways in septic myocardial injury. The sepsis model was induced in rats with lipopolysaccharide (LPS). Rats were divided into control, LPS, LPS + TAK242 ((6R)-6-[N-(2-chloro-4-fluorophenyl)sulfamoyl]cyclohex-1-ene-1-carboxylate) and LPS + DAPT (N-[N-(3,5-difluorophenacetyl)-l-alanyl]-s-phenylglycinetbutylester) groups. Heart function was evaluated with a Cardiac Doppler ultrasound. Myocardial morphological changes were detected by hematoxylin-eosin staining (H&E). Apoptosis was assessed by a TUNEL assay. The mRNA and protein levels were detected with real-time PCR, Western blot, and immunohistochemistry analysis. We found that heart function in the LPS + TAK242 group was significantly improved, but not in the LPS + DAPT group. LPS + TAK242 had a lower level of degeneration and necrosis of cardiomyocytes and inflammatory cell infiltration, as well as lower apoptosis and caspase-3 expression than the LPS group. Compared with the LPS group, the inflammatory cell infiltration was reduced in the LPS + DAPT group, while the degeneration and necrosis of cardiomyocytes were not obviously improved. Additionally, the expression levels of tumor necrosis factor-α and Interleukin-6, the protein contents of Notch intracellular domain and Hes1, and the P65 nuclear factor kappa-B (NF-κB) to P-P65 NF-κB ratio in LPS + TAK242 group and LPS + DAPT group were significantly lower than those in LPS group. Conclusively, the interaction between TLR4 and Notch signaling pathways enhances the inflammatory response in the septic heart by activating NF-κB. Blocking the TLR4 pathway with TAK242 can improve heart dysfunction and myocardial damage in sepsis, while blocking the Notch pathway with DAPT cannot effectively prevent heart dysfunction and myocardial damage in sepsis.
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Affiliation(s)
- Ziyang Liu
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Wenli Li
- Emergency Department of Internal Medicine, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Yang Cao
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Xiaoxia Zhang
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Kai Yang
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Fukang Yin
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Meng Yang
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
| | - Peng Peng
- Intensive Care Unit, Emergency Trauma Center, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830011, Xinjiang, China
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10
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Liu J, Huang L, Wan M, Chen G, Su M, Han F, Liu F, Xiong G, Liao X, Lu H, Li W, Cao Z. Lenvatinib induces cardiac developmental toxicity in zebrafish embryos through regulation of Notch mediated-oxidative stress generation. ENVIRONMENTAL TOXICOLOGY 2022; 37:1310-1320. [PMID: 35119177 DOI: 10.1002/tox.23485] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/17/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Due to an increasing number of abused drugs dumped into the wastewater, more and more drugs are detected in the water environment, which may affect the survival of aquatic organisms. Lenvatinib is a multi-targeted tyrosine kinase inhibitor, and is clinically used to treat differentiated thyroid cancer, renal epithelial cell carcinoma and liver cancer. However, there are few reports on the effects of lenvatinib in embryos development. In this study, zebrafish embryos were used to evaluate the effect of lenvatinib on cardiovascular development. Well-developed zebrafish embryos were selected at 6 h post fertilization (hpf) and exposed to 0.05 mg/L, 0.1 mg/L and 0.2 mg/L lenvatinib up to 72 hpf. The processed embryos demonstrated cardiac edema, decreased heart rate, prolonged SV-BA distance, inhibited angiogenesis, and blocked blood circulation. Lenvatinib caused cardiac defects in the whole stage of cardiac development and increased the apoptosis of cardiomyocyte. Oxidative stress in the processed embryos was accumulated and inhibiting oxidative stress could rescue cardiac defects induced by lenvatinib. Additionally, we found that lenvatinib downregulated Notch signaling, and the activation of Notch signaling could rescue cardiac developmental defects and downregulate oxidative stress level induced by lenvatinib. Our results suggested that lenvatinib might induce cardiac developmental toxicity through inducing Notch mediated-oxidative stress generation, raising concerns about the harm of exposure to lenvatinib in aquatic organisms.
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Affiliation(s)
- Jieping Liu
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, Fujian, China
| | - Ling Huang
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, Fujian, China
| | - Mengqi Wan
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Guilan Chen
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Meile Su
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Fang Han
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, Fujian, China
| | - Fasheng Liu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Guanghua Xiong
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Xinjun Liao
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Huiqiang Lu
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
| | - Wanbo Li
- Key Laboratory of Healthy Mariculture for the East China Sea, Ministry of Agriculture and Rural Affairs, Jimei University, Xiamen, Fujian, China
| | - Zigang Cao
- Jiangxi Engineering Laboratory of Zebrafish Modeling and Drug Screening for Human Diseases, Jinggangshan University, Ji'an, Jiangxi, China
- Jiangxi Key Laboratory of Developmental Biology of Organs, College of Life Sciences, Jinggangshan University, Ji'an, Jiangxi, China
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11
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A “notch” in the cellular communication network in response to anoxia by wood frog (Rana sylvatica). Cell Signal 2022; 93:110305. [DOI: 10.1016/j.cellsig.2022.110305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 12/12/2022]
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12
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Cai W, Shen K, Ji P, Jia Y, Han S, Zhang W, Hu X, Yang X, Han J, Hu D. The Notch pathway attenuates burn-induced acute lung injury in rats by repressing reactive oxygen species. BURNS & TRAUMA 2022; 10:tkac008. [PMID: 35441079 PMCID: PMC9014447 DOI: 10.1093/burnst/tkac008] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 02/02/2022] [Indexed: 12/21/2022]
Abstract
Background Acute lung injury (ALI) is a common complication following severe burns. The underlying mechanisms of ALI are incompletely understood; thus, available treatments are not sufficient to repair the lung tissue after ALI. Methods To investigate the relationship between the Notch pathway and burn-induced lung injury, we established a rat burn injury model by scalding and verified lung injury via lung injury evaluations, including hematoxylin and eosin (H&E) staining, lung injury scoring, bronchoalveolar lavage fluid and wet/dry ratio analyses, myeloperoxidase immunohistochemical staining and reactive oxygen species (ROS) accumulation analysis. To explore whether burn injury affects Notch1 expression, we detected the expression of Notch1 and Hes1 after burn injury. Then, we extracted pulmonary microvascular endothelial cells (PMVECs) and conducted Notch pathway inhibition and activation experiments, via a γ-secretase inhibitor (GSI) and OP9-DLL1 coculture, respectively, to verify the regulatory effect of the Notch pathway on ROS accumulation and apoptosis in burn-serum-stimulated PMVECs. To investigate the regulatory effect of the Notch pathway on ROS accumulation, we detected the expression of oxidative-stress-related molecules such as superoxide dismutase, nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX) 2, NOX4 and cleaved caspase-3. NOX4-specific small interfering RNA (siRNA) and the inhibitor GKT137831 were used to verify the regulatory effect of the Notch pathway on ROS via NOX4. Results We successfully established a burn model and revealed that lung injury, excessive ROS accumulation and an inflammatory response occurred. Notch1 detection showed that the expression of Notch1 was significantly increased after burn injury. In PMVECs challenged with burn serum, ROS and cell death were elevated. Moreover, when the Notch pathway was suppressed by GSI, ROS and cell apoptosis levels were significantly increased. Conversely, these parameters were reduced when the Notch pathway was activated by OP9-DLL1. Mechanistically, the inhibition of NOX4 by siRNA and GKT137831 showed that the Notch pathway reduced ROS production and cell apoptosis by downregulating the expression of NOX4 in PMVECs. Conclusions The Notch pathway reduced ROS production and apoptosis by downregulating the expression of NOX4 in burn-stimulated PMVECs. The Notch-NOX4 pathway may be a novel therapeutic target to treat burn-induced ALI.
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Affiliation(s)
- Weixia Cai
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Kuo Shen
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Peng Ji
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Yanhui Jia
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Shichao Han
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Wanfu Zhang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Xiaolong Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Xuekang Yang
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Juntao Han
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
| | - Dahai Hu
- Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
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13
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Nemir M, Kay M, Maison D, Berthonneche C, Sarre A, Plaisance I, Pedrazzini T. Inhibition of the NOTCH1 Pathway in the Stressed Heart Limits Fibrosis and Promotes Recruitment of Non-Myocyte Cells into the Cardiomyocyte Fate. J Cardiovasc Dev Dis 2022; 9:jcdd9040111. [PMID: 35448087 PMCID: PMC9024539 DOI: 10.3390/jcdd9040111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 04/04/2022] [Accepted: 04/06/2022] [Indexed: 12/10/2022] Open
Abstract
Cardiac pathologies lead to an acute or gradual loss of cardiomyocytes. Because of the limited regenerative capacity of the mammalian heart, cardiomyocytes are only replaced by fibrotic tissue. Excessive fibrosis contributes to the deterioration of cardiac function and the transition to heart failure, which is the leading cause of morbidity and mortality worldwide. Currently, no treatments can promote replenishment of the injured heart with newly formed cardiomyocytes. In this context, regenerative strategies explore the possibility to promote recovery through induction of cardiomyocyte production from pre-existing cardiomyocytes. On the other hand, cardiac non-myocyte cells can be directly reprogrammed into induced cardiac precursor cells and cardiomyocytes, suggesting that these cells could be exploited to produce cardiomyocytes in vivo. Here, we provide evidence that the sequential activation and inhibition of the NOTCH1 signaling pathway in the stressed heart decreases fibrosis and improves cardiac function in the stressed heart. This is accompanied by the emergence of new cardiomyocytes from non-myocyte origin. Overall, our data show how a developmental pathway such as the NOTCH pathway can be manipulated to provide therapeutic benefit in the damaged heart.
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Affiliation(s)
- Mohamed Nemir
- Experimental Cardiology Unit, Division of Cardiology, Department of Cardiovascular Medicine, University of Lausanne Medical School, 1011 Lausanne, Switzerland; (M.N.); (M.K.); (D.M.); (I.P.)
| | - Maryam Kay
- Experimental Cardiology Unit, Division of Cardiology, Department of Cardiovascular Medicine, University of Lausanne Medical School, 1011 Lausanne, Switzerland; (M.N.); (M.K.); (D.M.); (I.P.)
| | - Damien Maison
- Experimental Cardiology Unit, Division of Cardiology, Department of Cardiovascular Medicine, University of Lausanne Medical School, 1011 Lausanne, Switzerland; (M.N.); (M.K.); (D.M.); (I.P.)
| | - Corinne Berthonneche
- Cardiovascular Assessment Facility, University of Lausanne, 1011 Lausanne, Switzerland; (C.B.); (A.S.)
| | - Alexandre Sarre
- Cardiovascular Assessment Facility, University of Lausanne, 1011 Lausanne, Switzerland; (C.B.); (A.S.)
| | - Isabelle Plaisance
- Experimental Cardiology Unit, Division of Cardiology, Department of Cardiovascular Medicine, University of Lausanne Medical School, 1011 Lausanne, Switzerland; (M.N.); (M.K.); (D.M.); (I.P.)
| | - Thierry Pedrazzini
- Experimental Cardiology Unit, Division of Cardiology, Department of Cardiovascular Medicine, University of Lausanne Medical School, 1011 Lausanne, Switzerland; (M.N.); (M.K.); (D.M.); (I.P.)
- Correspondence: ; Tel.: +41-21-314-0765
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14
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Zheng Y, Lin J, Liu D, Wan G, Gu X, Ma J. Nogo-B promotes angiogenesis and improves cardiac repair after myocardial infarction via activating Notch1 signaling. Cell Death Dis 2022; 13:306. [PMID: 35383153 PMCID: PMC8983727 DOI: 10.1038/s41419-022-04754-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 02/26/2022] [Accepted: 03/17/2022] [Indexed: 12/16/2022]
Abstract
Nogo-B (Reticulon 4B) is reportedly a regulator of angiogenesis during the development and progression of cancer. However, whether Nogo-B regulates angiogenesis and post-myocardial infarction (MI) cardiac repair remains elusive. In the present study, we aimed to explore the role and underlying mechanisms of Nogo-B in cardiac repair during MI. We observed an increased expression level of Nogo-B in the heart of mouse MI models, as well as in isolated cardiac microvascular endothelial cells (CMECs). Moreover, Nogo-B was significantly upregulated in CMECs exposed to oxygen-glucose deprivation (OGD). Nogo-B overexpression in the endothelium via cardiotropic adeno-associated virus serotype 9 (AAV9) with the mouse endothelial-specific promoter Tie2 improved heart function, reduced scar size, and increased angiogenesis. RNA-seq data indicated that Notch signaling is a deregulated pathway in isolated CMECs along the border zone of the infarct with Nogo-B overexpression. Mechanistically, Nogo-B activated Notch1 signaling and upregulated Hes1 in the MI hearts. Inhibition of Notch signaling using a specific siRNA and γ-secretase inhibitor abolished the promotive effects of Nogo-B overexpression on network formation and migration of isolated cardiac microvascular endothelial cells (CMECs). Furthermore, endothelial Notch1 heterozygous deletion inhibited Nogo-B-induced cardioprotection and angiogenesis in the MI model. Collectively, this study demonstrates that Nogo-B is a positive regulator of angiogenesis by activating the Notch signaling pathway, suggesting that Nogo-B is a novel molecular target for ischemic disease.
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15
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Shafaattalab S, Li AY, Gunawan MG, Kim B, Jayousi F, Maaref Y, Song Z, Weiss JN, Solaro RJ, Qu Z, Tibbits GF. Mechanisms of Arrhythmogenicity of Hypertrophic Cardiomyopathy-Associated Troponin T ( TNNT2) Variant I79N. Front Cell Dev Biol 2022; 9:787581. [PMID: 34977031 PMCID: PMC8718794 DOI: 10.3389/fcell.2021.787581] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 11/16/2021] [Indexed: 12/24/2022] Open
Abstract
Hypertrophic cardiomyopathy (HCM) is the most common heritable cardiovascular disease and often results in cardiac remodeling and an increased incidence of sudden cardiac arrest (SCA) and death, especially in youth and young adults. Among thousands of different variants found in HCM patients, variants of TNNT2 (cardiac troponin T—TNNT2) are linked to increased risk of ventricular arrhythmogenesis and sudden death despite causing little to no cardiac hypertrophy. Therefore, studying the effect of TNNT2 variants on cardiac propensity for arrhythmogenesis can pave the way for characterizing HCM in susceptible patients before sudden cardiac arrest occurs. In this study, a TNNT2 variant, I79N, was generated in human cardiac recombinant/reconstituted thin filaments (hcRTF) to investigate the effect of the mutation on myofilament Ca2+ sensitivity and Ca2+ dissociation rate using steady-state and stopped-flow fluorescence techniques. The results revealed that the I79N variant significantly increases myofilament Ca2+ sensitivity and decreases the Ca2+ off-rate constant (koff). To investigate further, a heterozygous I79N+/−TNNT2 variant was introduced into human-induced pluripotent stem cells using CRISPR/Cas9 and subsequently differentiated into ventricular cardiomyocytes (hiPSC-CMs). To study the arrhythmogenic properties, monolayers of I79N+/− hiPSC-CMs were studied in comparison to their isogenic controls. Arrhythmogenesis was investigated by measuring voltage (Vm) and cytosolic Ca2+ transients over a range of stimulation frequencies. An increasing stimulation frequency was applied to the cells, from 55 to 75 bpm. The results of this protocol showed that the TnT-I79N cells had reduced intracellular Ca2+ transients due to the enhanced cytosolic Ca2+ buffering. These changes in Ca2+ handling resulted in beat-to-beat instability and triangulation of the cardiac action potential, which are predictors of arrhythmia risk. While wild-type (WT) hiPSC-CMs were accurately entrained to frequencies of at least 150 bpm, the I79N hiPSC-CMs demonstrated clear patterns of alternans for both Vm and Ca2+ transients at frequencies >75 bpm. Lastly, a transcriptomic analysis was conducted on WT vs. I79N+/−TNNT2 hiPSC-CMs using a custom NanoString codeset. The results showed a significant upregulation of NPPA (atrial natriuretic peptide), NPPB (brain natriuretic peptide), Notch signaling pathway components, and other extracellular matrix (ECM) remodeling components in I79N+/− vs. the isogenic control. This significant shift demonstrates that this missense in the TNNT2 transcript likely causes a biophysical trigger, which initiates this significant alteration in the transcriptome. This TnT-I79N hiPSC-CM model not only reproduces key cellular features of HCM-linked mutations but also suggests that this variant causes uncharted pro-arrhythmic changes to the human action potential and gene expression.
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Affiliation(s)
- Sanam Shafaattalab
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Alison Y Li
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Department of Biochemistry and Molecular Biology, The University of British Columbia, Vancouver, BC, Canada
| | - Marvin G Gunawan
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - BaRun Kim
- Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Farah Jayousi
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Yasaman Maaref
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Zhen Song
- UCLA Cardiac Computation Lab, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - James N Weiss
- UCLA Cardiac Computation Lab, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - R John Solaro
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, IL, United States
| | - Zhilin Qu
- UCLA Cardiac Computation Lab, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Glen F Tibbits
- Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, BC, Canada.,Cellular and Regenerative Medicine Centre, BC Children's Hospital Research Institute, Vancouver, BC, Canada.,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada.,Department of Biomedical Engineering, University of British Columbia, Vancouver, BC, Canada
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16
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Sen S, Hallee L, Lam CK. The Potential of Gamma Secretase as a Therapeutic Target for Cardiac Diseases. J Pers Med 2021; 11:jpm11121294. [PMID: 34945766 PMCID: PMC8703931 DOI: 10.3390/jpm11121294] [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: 10/31/2021] [Revised: 11/24/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Heart diseases are some of the most common and pressing threats to human health worldwide. The American Heart Association and the National Institute of Health jointly work to annually update data on cardiac diseases. In 2018, 126.9 million Americans were reported as having some form of cardiac disorder, with an estimated direct and indirect total cost of USD 363.4 billion. This necessitates developing therapeutic interventions for heart diseases to improve human life expectancy and economic relief. In this review, we look into gamma-secretase as a potential therapeutic target for cardiac diseases. Gamma-secretase, an aspartyl protease enzyme, is responsible for the cleavage and activation of a number of substrates that are relevant to normal cardiac development and function as found in mutation studies. Some of these substrates are involved in downstream signaling processes and crosstalk with pathways relevant to heart diseases. Most of the substrates and signaling events we explored were found to be potentially beneficial to maintain cardiac function in diseased conditions. This review presents an updated overview of the current knowledge on gamma-secretase processing of cardiac-relevant substrates and seeks to understand if the modulation of gamma-secretase activity would be beneficial to combat cardiac diseases.
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Affiliation(s)
- Sujoita Sen
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Logan Hallee
- Department of Mathematical Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Chi Keung Lam
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
- Correspondence: ; Tel.: +1-302-831-3165
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17
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Singh N, Bhatnagar S. Machine Learning for Prediction of Drug Targets in Microbe Associated Cardiovascular Diseases by Incorporating Host-pathogen Interaction Network Parameters. Mol Inform 2021; 41:e2100115. [PMID: 34676983 DOI: 10.1002/minf.202100115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 10/01/2021] [Indexed: 12/20/2022]
Abstract
Host-pathogen interactions play a crucial role in invasion, infection, and induction of immune response in humans. In this work, four machine learning algorithms, namely Logistic regression, K-nearest neighbor, Support Vector Machine, and Random Forest were implemented for the classification of drug targets. The algorithms were trained using 3400 hosts and 3800 pathogen drug and non-drug target proteins as learning instances. For each protein, 68 pathogen and 73 host features were computed that included sequence, structure, biological and host-pathogen network centrality characteristics. The Random Forest classifier model achieved the best accuracy after 10-fold cross-validation. 99 % accuracy was achieved with a ROC-AUC score of 0.99±0.01 for both pathogen and host training sets. The Eigenvector Centrality of host-pathogen interactions and host-host interactions was the top feature in performing classification of pathogen and host targets respectively. Other features important for classification were the presence of catalytic and binding sites, low instability/aliphatic index, and cellular location. The Random Forest classifier was then used for prediction of drug targets involved in Microbe Associated Cardiovascular Diseases. 331 host and 743 pathogen proteins were predicted as drug targets by the random forest model and can be validated experimentally for therapeutic intervention in Microbe Associated Cardiovascular Diseases.
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Affiliation(s)
- Nirupma Singh
- Department of Biotechnology, Netaji Subhas Institute of Technology, Dwarka, New Delhi, 110078, India
| | - Sonika Bhatnagar
- Department of Biotechnology, Netaji Subhas Institute of Technology, Dwarka, New Delhi, 110078, India.,Computational and Structural Biology Laboratory, Department of Biological Sciences and Engineering, Netaji Subhas University of Technology Dwarka, New Delhi, 110078, India
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18
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Marracino L, Fortini F, Bouhamida E, Camponogara F, Severi P, Mazzoni E, Patergnani S, D’Aniello E, Campana R, Pinton P, Martini F, Tognon M, Campo G, Ferrari R, Vieceli Dalla Sega F, Rizzo P. Adding a "Notch" to Cardiovascular Disease Therapeutics: A MicroRNA-Based Approach. Front Cell Dev Biol 2021; 9:695114. [PMID: 34527667 PMCID: PMC8435685 DOI: 10.3389/fcell.2021.695114] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 08/09/2021] [Indexed: 12/18/2022] Open
Abstract
Dysregulation of the Notch pathway is implicated in the pathophysiology of cardiovascular diseases (CVDs), but, as of today, therapies based on the re-establishing the physiological levels of Notch in the heart and vessels are not available. A possible reason is the context-dependent role of Notch in the cardiovascular system, which would require a finely tuned, cell-specific approach. MicroRNAs (miRNAs) are short functional endogenous, non-coding RNA sequences able to regulate gene expression at post-transcriptional levels influencing most, if not all, biological processes. Dysregulation of miRNAs expression is implicated in the molecular mechanisms underlying many CVDs. Notch is regulated and regulates a large number of miRNAs expressed in the cardiovascular system and, thus, targeting these miRNAs could represent an avenue to be explored to target Notch for CVDs. In this Review, we provide an overview of both established and potential, based on evidence in other pathologies, crosstalks between miRNAs and Notch in cellular processes underlying atherosclerosis, myocardial ischemia, heart failure, calcification of aortic valve, and arrhythmias. We also discuss the potential advantages, as well as the challenges, of using miRNAs for a Notch-based approach for the diagnosis and treatment of the most common CVDs.
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Affiliation(s)
- Luisa Marracino
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | | | - Esmaa Bouhamida
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Francesca Camponogara
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Paolo Severi
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Translational Medicine, University of Ferrara, Ferrara, Italy
| | - Elisa Mazzoni
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Simone Patergnani
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Emanuele D’Aniello
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Ferrara, Italy
| | - Roberta Campana
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Ferrara, Italy
| | - Paolo Pinton
- Maria Cecilia Hospital, GVM Care & Research, Ravenna, Italy
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Fernanda Martini
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Mauro Tognon
- Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Gianluca Campo
- Maria Cecilia Hospital, GVM Care & Research, Ravenna, Italy
- Cardiovascular Institute, Azienda Ospedaliero-Universitaria di Ferrara, Ferrara, Italy
| | - Roberto Ferrari
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- Maria Cecilia Hospital, GVM Care & Research, Ravenna, Italy
| | | | - Paola Rizzo
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- Maria Cecilia Hospital, GVM Care & Research, Ravenna, Italy
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19
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Li C, Wang N, Rao P, Wang L, Lu D, Sun L. Role of the microRNA-29 family in myocardial fibrosis. J Physiol Biochem 2021; 77:365-376. [PMID: 34047925 DOI: 10.1007/s13105-021-00814-z] [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: 07/25/2020] [Accepted: 04/01/2021] [Indexed: 12/11/2022]
Abstract
Myocardial fibrosis (MF) is an inevitable pathological process in the terminal stage of many cardiovascular diseases, often leading to serious cardiac dysfunction and even death. Currently, microRNA-29 (miR-29) is thought to be a novel diagnostic and therapeutic target of MF. Understanding the underlying mechanisms of miR-29 that regulate MF will provide a new direction for MF therapy. In the present review, we concentrate on the underlying signaling pathway of miR-29 affecting MF and the crosstalk regulatory relationship among these pathways to illustrate the complex regulatory network of miR-29 in MF. Additionally, based on our mechanistic understanding, we summarize opportunities and challenges of miR-29-based MF diagnosis and therapy.
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Affiliation(s)
- Changyan Li
- Science and Technology Achievement Incubation Center, Kunming Medical University, 1168 West Chunrong Road, Yuhua Avenue, Chenggong District, Kunming, 650500, Yunnan, China
| | - Nan Wang
- Science and Technology Achievement Incubation Center, Kunming Medical University, 1168 West Chunrong Road, Yuhua Avenue, Chenggong District, Kunming, 650500, Yunnan, China
| | - Peng Rao
- Department of Cardiology, The Second Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China
| | - Limeiting Wang
- Science and Technology Achievement Incubation Center, Kunming Medical University, 1168 West Chunrong Road, Yuhua Avenue, Chenggong District, Kunming, 650500, Yunnan, China
| | - Di Lu
- Science and Technology Achievement Incubation Center, Kunming Medical University, 1168 West Chunrong Road, Yuhua Avenue, Chenggong District, Kunming, 650500, Yunnan, China.
| | - Lin Sun
- Department of Cardiology, The Second Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China.
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20
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Wu J, Xie F, Qin Y, Liu J, Yang Z. Notch signaling is involved in the antiapoptotic effects of liraglutide on rat H9c2 cardiomyocytes exposed to hypoxia followed by reoxygenation. J Int Med Res 2021; 48:300060520948394. [PMID: 32967491 PMCID: PMC7521049 DOI: 10.1177/0300060520948394] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
OBJECTIVE Liraglutide (Lir) protects cardiomyocytes against high glucose-induced myocardial damage. This study investigated whether Notch signaling participated in the antiapoptotic effects of Lir on rat H9c2 cardiomyocytes subjected to hypoxia followed by reoxygenation (H/R). METHODS We used H9c2 rat cardiomyocytes as a model of H/R and measured viability, apoptosis, and expression of the apoptotic genes Bax and Bcl-2 and Notch signaling genes Notch1 and Jagged1. Notch1 was depleted by siRNA to test the effect of Notch1 deficiency on the antiapoptotic effects of Lir on H/R-treated H9c2 cardiomyocytes. RESULTS After H/R treatment, viability was significantly decreased, and the apoptosis rate was greater in the H/R group than in the control (CT). Lir at 50, 100, and 200 nM significantly increased viability and decreased apoptosis in H/R-treated H9c2 cells. Treatment with 50 nM Lir for 2 hours before H/R significantly increased the expression levels of Notch1, Jagged1, and Bcl-2 compared with the CT levels. Bax was downregulated, which indicated that Lir activated Notch signaling and inhibited apoptosis. Notch1 depletion partially abolished the antiapoptotic effect of Lir on H/R-treated H9c2 cells by altering apoptotic gene expression. CONCLUSION Lir activated Notch signaling, which was responsible for the antiapoptotic effect of Lir on H9c2 cardiomyocytes.
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Affiliation(s)
- Juan Wu
- Department of General Practitioner, Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
| | - Fei Xie
- Department of Cardiovascular, Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
| | - Yali Qin
- Department of General Practitioner, Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
| | - Jie Liu
- Department of General Practitioner, Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
| | - Zihua Yang
- Department of Hepatobiliary Surgery, Second Affiliated Hospital, Xi'an Medical University, Xi'an, Shaanxi, China
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21
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The Impact of Spaceflight and Microgravity on the Human Islet-1+ Cardiovascular Progenitor Cell Transcriptome. Int J Mol Sci 2021; 22:ijms22073577. [PMID: 33808224 PMCID: PMC8036947 DOI: 10.3390/ijms22073577] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 03/27/2021] [Accepted: 03/27/2021] [Indexed: 12/11/2022] Open
Abstract
Understanding the transcriptomic impact of microgravity and the spaceflight environment is relevant for future missions in space and microgravity-based applications designed to benefit life on Earth. Here, we investigated the transcriptome of adult and neonatal cardiovascular progenitors following culture aboard the International Space Station for 30 days and compared it to the transcriptome of clonally identical cells cultured on Earth. Cardiovascular progenitors acquire a gene expression profile representative of an early-stage, dedifferentiated, stem-like state, regardless of age. Signaling pathways that support cell proliferation and survival were induced by spaceflight along with transcripts related to cell cycle re-entry, cardiovascular development, and oxidative stress. These findings contribute new insight into the multifaceted influence of reduced gravitational environments.
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22
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Silva AC, Pereira C, Fonseca ACRG, Pinto-do-Ó P, Nascimento DS. Bearing My Heart: The Role of Extracellular Matrix on Cardiac Development, Homeostasis, and Injury Response. Front Cell Dev Biol 2021; 8:621644. [PMID: 33511134 PMCID: PMC7835513 DOI: 10.3389/fcell.2020.621644] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 12/07/2020] [Indexed: 12/12/2022] Open
Abstract
The extracellular matrix (ECM) is an essential component of the heart that imparts fundamental cellular processes during organ development and homeostasis. Most cardiovascular diseases involve severe remodeling of the ECM, culminating in the formation of fibrotic tissue that is deleterious to organ function. Treatment schemes effective at managing fibrosis and promoting physiological ECM repair are not yet in reach. Of note, the composition of the cardiac ECM changes significantly in a short period after birth, concurrent with the loss of the regenerative capacity of the heart. This highlights the importance of understanding ECM composition and function headed for the development of more efficient therapies. In this review, we explore the impact of ECM alterations, throughout heart ontogeny and disease, on cardiac cells and debate available approaches to deeper insights on cell–ECM interactions, toward the design of new regenerative therapies.
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Affiliation(s)
- Ana Catarina Silva
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Porto, Portugal.,Gladstone Institutes, San Francisco, CA, United States
| | - Cassilda Pereira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Ana Catarina R G Fonseca
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Perpétua Pinto-do-Ó
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Porto, Portugal.,ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Diana S Nascimento
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal.,INEB - Instituto Nacional de Engenharia Biomédica, Universidade do Porto, Porto, Portugal.,ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
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23
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Wilhelmi T, Xu X, Tan X, Hulshoff MS, Maamari S, Sossalla S, Zeisberg M, Zeisberg EM. Serelaxin alleviates cardiac fibrosis through inhibiting endothelial-to-mesenchymal transition via RXFP1. Am J Cancer Res 2020; 10:3905-3924. [PMID: 32226528 PMCID: PMC7086357 DOI: 10.7150/thno.38640] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 11/30/2019] [Indexed: 12/22/2022] Open
Abstract
Rationale: Cardiac fibrosis is an integral constituent of every form of chronic heart disease, and persistence of fibrosis reduces tissue compliance and accelerates the progression to heart failure. Relaxin-2 is a human hormone, which has various physiological functions such as mediating renal vasodilation in pregnancy. Its recombinant form Serelaxin has recently been tested in clinical trials as a therapy for acute heart failure but did not meet its primary endpoints. The aim of this study is to examine whether Serelaxin has an anti-fibrotic effect in the heart and therefore could be beneficial in chronic heart failure. Methods: We utilized two different cardiac fibrosis mouse models (ascending aortic constriction (AAC) and Angiotensin II (ATII) administration via osmotic minipumps) to assess the anti-fibrotic potential of Serelaxin. Histological analysis, immunofluorescence staining and molecular analysis were performed to assess the fibrosis level and indicate endothelial cells which are undergoing EndMT. In vitro TGFβ1-induced endothelial-to-mesenchymal transition (EndMT) assays were performed in human coronary artery endothelial cells and mouse cardiac endothelial cells (MCECs) and were examined using molecular methods. Chromatin immunoprecipitation-qPCR assay was utilized to identify the Serelaxin effect on chromatin remodeling in the Rxfp1 promoter region in MCECs. Results: Our results demonstrate a significant and dose-dependent anti-fibrotic effect of Serelaxin in the heart in both models. We further show that Serelaxin mediates this effect, at least in part, through inhibition of EndMT through the endothelial Relaxin family peptide receptor 1 (RXFP1). We further demonstrate that Serelaxin administration is able to increase its own receptor expression (RXFP1) through epigenetic regulation in form of histone modifications by attenuating TGFβ-pSMAD2/3 signaling in endothelial cells. Conclusions: This study is the first to identify that Serelaxin increases the expression of its own receptor RXFP1 and that this mediates the inhibition of EndMT and cardiac fibrosis, suggesting that Serelaxin may have a beneficial effect as anti-fibrotic therapy in chronic heart failure.
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24
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Xuan W, Khan M, Ashraf M. Extracellular Vesicles From Notch Activated Cardiac Mesenchymal Stem Cells Promote Myocyte Proliferation and Neovasculogenesis. Front Cell Dev Biol 2020; 8:11. [PMID: 32154243 PMCID: PMC7047205 DOI: 10.3389/fcell.2020.00011] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 01/10/2020] [Indexed: 01/08/2023] Open
Abstract
Cardiac mesenchymal stem cells (C-MSCs) are a novel mesenchymal stem cell (MSC) subpopulation derived from cardiac tissue, which are reported to be responsible for cardiac regeneration. Notch signaling is believed to aid in cardiac repair following myocardial injury. In this study, we have investigated the role of extracellular vesicles (EVs) from Notch1 engineered C-MSCs on angiogenesis and cardiomyocyte (CM) proliferation in ischemic myocardium. C-MSCs were isolated from Notch1flox mice (C-MSCNotch1 FF). Notch1 gene deletion was accomplished by adenoviral vector-mediated Cre recombination, and Notch1 overexpression was achieved by overexpression of Notch1 intracellular domain (N1ICD). EVs were isolated by using the size exclusion column method. Proteomic composition of EV was carried out by mass spectrometry. A mouse myocardial infarction (MI) model was generated by permanent left anterior descending (LAD) coronary artery ligation. Intramyocardial transplantation of Notch1 knockout C-MSCs (C-MSCsNotch1 KO) did not have any effect on cardiac function and scar size. On the other hand, transplantation of N1ICD-overexpressing C-MSCs (C-MSCsN1ICD) showed significant improvement in cardiac function and attenuation of fibrosis as compared to the control (PBS) group and non-modified C-MSC groups. C-MSCsN1ICD differentiated into smooth muscle cells and formed new vessels. Proteomics profiling identified several proteins, such as lysyl oxidase homolog-2 and biglycan, as highly enriched proteins in EV-C-MSCsN1ICD. Go term analysis indicated that EV-C-MSCsN1ICD were enriched with bioactive factors, potent pro-repair proteins responsible for cell migration and proliferation. EV-C-MSCsNotch1FF and EV-C-MSCsN1ICD were strongly proangiogenic under both in vitro and in vivo conditions. EV-C-MSCsN1ICD caused dense tube formation in vitro and increased neovasculogenesis in the peri-infarct area in vivo. Furthermore, EV-C-MSCsN1ICD attenuated endothelial cell (EC) and CM apoptosis under oxidative stress and ischemic injury. Similarly, EV-C-MSCNotch1 FF and EV-C-MSCN1ICD treatment improved cardiac function and decreased fibrosis in mice post-MI. EV-C-MSCsN1ICD were very effective in improving cardiac function and decreasing fibrosis. Notch1 signaling is a strong stimulus for cardiac regeneration by C-MSCs. EVs secreted by Notch1-overexpressing C-MSCs were highly effective in preventing cell death, promoting angiogenesis and CM proliferation, and restoring cardiac function post-MI. Overall, these results suggest that Notch1 overexpression may further enhance the effectiveness of EVs secreted by C-MSCs in cell-free therapy.
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Affiliation(s)
- Wanling Xuan
- Vascular Biology Center, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
| | - Mahmood Khan
- Department of Emergency Medicine, Wexner Medical Center, The Ohio State University, Columbus, OH, United States
| | - Muhammad Ashraf
- Vascular Biology Center, Department of Medicine, Medical College of Georgia, Augusta University, Augusta, GA, United States
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25
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Zhou XL, Wu X, Zhu RR, Xu H, Li YY, Xu QR, Liu S, Lai SQ, Xu X, Wan L, Wu QC, Liu JC. Notch1-Nrf2 signaling crosstalk provides myocardial protection by reducing ROS formation. Biochem Cell Biol 2020; 98:106-111. [PMID: 32069075 DOI: 10.1139/bcb-2018-0398] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Both the Notch1 and Keap1-Nrf2 signaling pathways have cardioprotective effects, but the role of Notch1-Nrf2 crosstalk in myocardial ischemia-reperfusion injury is unclear. In this study, we established hypoxia-reoxygenation in neonate rat myocardial cells and employed γ-secretase inhibitor and curcumin to inhibit and activate the Notch1 and Keap1-Nrf2 signaling pathways, respectively. We found that the combined action of the Notch1 and Keap1-Nrf2 signaling pathways significantly increased cardiomyocyte viability, inhibited cardiomyocyte apoptosis, reduced the formation of reactive oxygen species, and increased antioxidant activities. In conclusion, these findings suggest that Notch1-Nrf2 crosstalk exerts myocardial protection by reducing the formation of reactive oxygen species.
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Affiliation(s)
- Xue-Liang Zhou
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Xia Wu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Rong-Rong Zhu
- Department of Obstetrics and Gynecology, Jiangxi Province hospital of integrated traditional Chinese and Western medicine, Nanchang, China
| | - Hua Xu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Yun-Yun Li
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Qi-Rong Xu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Sheng Liu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Song-Qing Lai
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Xinping Xu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Li Wan
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Qi-Cai Wu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
| | - Ji-Chun Liu
- Department of Cardiac Surgery, The First Affiliated Hospital, Nanchang University, Nanchang, China
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26
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Campos-Estrada C, González-Herrera F, Greif G, Carillo I, Guzmán-Rivera D, Liempi A, Robello C, Kemmerling U, Castillo C, Maya JD. Notch receptor expression in Trypanosoma cruzi-infected human umbilical vein endothelial cells treated with benznidazole or simvastatin revealed by microarray analysis. Cell Biol Int 2020; 44:1112-1123. [PMID: 31943572 DOI: 10.1002/cbin.11308] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 01/10/2020] [Indexed: 11/09/2022]
Abstract
Chagas disease is a vector-borne disease caused by the protozoan parasite Trypanosoma cruzi. Current therapy involves benznidazole. Benznidazole and other drugs can modify gene expression patterns, improving the response to the inflammatory influx induced by T. cruzi and decreasing the endothelial activation or immune cell recruitment, among other effects. Here, we performed a microarray analysis of human umbilical vein endothelial cells (HUVECs) treated with benznidazole and the anti-inflammatory drugs acetylsalicylic acid or simvastatin and infected with T. cruzi. Parasitic infection produces differential expression of a set of genes in HUVECs treated with benznidazole alone or a combination with simvastatin or acetylsalicylic acid. The differentially expressed genes were involved in inflammation, adhesion, cardiac function, and remodeling. Notch1 and high mobility group B1 were genes of interest in this analysis due to their importance in placental development, cardiac development, and inflammation. Quantitative polymerase chain reaction confirmation of these two genes indicated that both are upregulated in the presence of benznidazole.
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Affiliation(s)
- Carolina Campos-Estrada
- Facultad de Farmacia, Universidad de Valparaíso, Av. Gran Bretaña 1093, Playa Ancha, Valparaíso, Región de Valparaíso, 2360102, Chile
| | - Fabiola González-Herrera
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Gonzalo Greif
- Molecular Biology Unit, Pasteur Institute and Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Avenida General Flores 2125, Montevideo, 11800, Uruguay
| | - Ileana Carillo
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Daniela Guzmán-Rivera
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Ana Liempi
- Programa de Biología Integrativa, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Carlos Robello
- Molecular Biology Unit, Pasteur Institute and Departamento de Bioquímica, Facultad de Medicina, Universidad de la República, Avenida General Flores 2125, Montevideo, 11800, Uruguay
| | - Ulrike Kemmerling
- Programa de Biología Integrativa, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Christian Castillo
- Programa de Biología Integrativa, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
| | - Juan Diego Maya
- Programa de Farmacología Molecular y Clínica, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Independencia 1027, Santiago, Región Metropolitana, 8380453, Chile
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27
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Chellini F, Tani A, Vallone L, Nosi D, Pavan P, Bambi F, Zecchi-Orlandini S, Sassoli C. Platelet-Rich Plasma and Bone Marrow-Derived Mesenchymal Stromal Cells Prevent TGF-β1-Induced Myofibroblast Generation but Are Not Synergistic when Combined: Morphological in vitro Analysis. Cells Tissues Organs 2019; 206:283-295. [PMID: 31382258 DOI: 10.1159/000501499] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 06/14/2019] [Indexed: 11/19/2022] Open
Abstract
The persistence of activated myofibroblasts is a hallmark of fibrosis of many organs. Thus, the modulation of the generation/functionality of these cells may represent a strategical anti-fibrotic therapeutic option. Bone marrow-derived mesenchymal stromal cell (MSC)-based therapy has shown promising clues, but some criticisms still limit the clinical use of these cells, including the need to avoid xenogeneic compound contamination for ex vivo cell amplification and the identification of appropriate growth factors acting as a pre-conditioning agent and/or cell delivery vehicle during transplantation, thus enabling the improvement of cell survival in the host tissue microenvironment. Many studies have demonstrated the ability of platelet-rich plasma (PRP), a source of many biologically active molecules, to positively influence MSC proliferation, survival, and functionality, as well as its anti-fibrotic potential. Here we investigated the effects of PRP, murine and human bone marrow-derived MSCs, and of the combined treatment PRP/MSCs on in vitro differentiation of murine NIH/3T3 and human HDFα fibroblasts to myofibroblasts induced by transforming growth factor (TGF)-β1, a well-known pro-fibrotic agent. The myofibroblastic phenotype was evaluated morphologically (cell shape and actin cytoskeleton assembly) and immunocytochemically (vinculin-rich focal adhesion clustering, α-smooth muscle actin and type-1 collagen expression). We found that PRP and MSCs, both as single treatments and in combination, were able to prevent the TGF-β1-induced fibroblast-myofibroblast transition. Unexpectedly, the combination PRP/MSCs had no synergistic effects. In conclusion, within the limitations related to an in vitro experimentation, our study may contribute to providing an experimental background for supporting the anti-fibrotic potential of the combination PRP/MSCs which, once translated "from bench to bedside," could potentially offer advantages over the single treatments.
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Affiliation(s)
- Flaminia Chellini
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Alessia Tani
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Larissa Vallone
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Daniele Nosi
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Paola Pavan
- Transfusion Medicine and Cell Therapy Unit, "A. Meyer" University Children's Hospital, Florence, Italy
| | - Franco Bambi
- Transfusion Medicine and Cell Therapy Unit, "A. Meyer" University Children's Hospital, Florence, Italy
| | - Sandra Zecchi-Orlandini
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy
| | - Chiara Sassoli
- Department of Experimental and Clinical Medicine, Section of Anatomy and Histology, University of Florence, Florence, Italy,
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28
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Rehman M, Vodret S, Braga L, Guarnaccia C, Celsi F, Rossetti G, Martinelli V, Battini T, Long C, Vukusic K, Kocijan T, Collesi C, Ring N, Skoko N, Giacca M, Del Sal G, Confalonieri M, Raspa M, Marcello A, Myers MP, Crovella S, Carloni P, Zacchigna S. High-throughput screening discovers antifibrotic properties of haloperidol by hindering myofibroblast activation. JCI Insight 2019; 4:123987. [PMID: 30996132 PMCID: PMC6538355 DOI: 10.1172/jci.insight.123987] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Accepted: 03/14/2019] [Indexed: 12/23/2022] Open
Abstract
Fibrosis is a hallmark in the pathogenesis of various diseases, with very limited therapeutic solutions. A key event in the fibrotic process is the expression of contractile proteins, including α-smooth muscle actin (αSMA) by fibroblasts, which become myofibroblasts. Here, we report the results of a high-throughput screening of a library of approved drugs that led to the discovery of haloperidol, a common antipsychotic drug, as a potent inhibitor of myofibroblast activation. We show that haloperidol exerts its antifibrotic effect on primary murine and human fibroblasts by binding to sigma receptor 1, independent from the canonical transforming growth factor-β signaling pathway. Its mechanism of action involves the modulation of intracellular calcium, with moderate induction of endoplasmic reticulum stress response, which in turn abrogates Notch1 signaling and the consequent expression of its targets, including αSMA. Importantly, haloperidol also reduced the fibrotic burden in 3 different animal models of lung, cardiac, and tumor-associated fibrosis, thus supporting the repurposing of this drug for the treatment of fibrotic conditions.
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Affiliation(s)
| | | | | | - Corrado Guarnaccia
- Biotechnology Development, International Centre for Genetic Engineering and Biotechnology (ICGEB), Padriciano, Trieste, Italy
| | - Fulvio Celsi
- Institute for Maternal and Child Health, IRCCS “Burlo Garofolo,” Trieste, Italy
| | - Giulia Rossetti
- Computational Biomedicine Section, Institute of Advanced Simulation IAS-5 and Institute of Neuroscience and Medicine INM-9, Forschungszentrum Jülich GmbH, Jülich, Germany
| | | | | | | | | | | | - Chiara Collesi
- Molecular Medicine, and
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | | | - Natasa Skoko
- Biotechnology Development, International Centre for Genetic Engineering and Biotechnology (ICGEB), Padriciano, Trieste, Italy
| | - Mauro Giacca
- Molecular Medicine, and
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Giannino Del Sal
- National Laboratory CIB, Area Science Park Padriciano, Trieste, Italy
- Department of Life Sciences, University of Trieste, Trieste, Italy
| | - Marco Confalonieri
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
| | - Marcello Raspa
- National Research Council, CNR-Campus International Development (EMMA-INFRAFRONTIER-IMPC), Monterotondo Scalo, Rome, Italy
| | | | - Michael P. Myers
- Protein Networks Laboratories, International Centre for Genetic Engineering and Biotechnology (ICGEB), Padriciano, Trieste, Italy
| | - Sergio Crovella
- Biotechnology Development, International Centre for Genetic Engineering and Biotechnology (ICGEB), Padriciano, Trieste, Italy
| | - Paolo Carloni
- Computational Biomedicine Section, Institute of Advanced Simulation IAS-5 and Institute of Neuroscience and Medicine INM-9, Forschungszentrum Jülich GmbH, Jülich, Germany
| | - Serena Zacchigna
- Cardiovascular Biology
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
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29
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Wang JJ, Zhu JD, Zhang XH, Long TT, Ge G, Yu Y. Neuroprotective effect of Notch pathway inhibitor DAPT against focal cerebral ischemia/reperfusion 3 hours before model establishment. Neural Regen Res 2019; 14:452-461. [PMID: 30539813 PMCID: PMC6334612 DOI: 10.4103/1673-5374.245469] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
As an inhibitor of the Notch signaling pathway, N-[N-(3,5-difluorohenacetyl)-l-alanyl]-S-phenylglycine tert-butyl ester (DAPT) may protect brain tissue from serious ischemic injury. This study aimed to explore neuroprotection by DAPT after cerebral ischemia/reperfusion (I/R) injury. DAPT was intraperitoneally injected 3 hours before the establishment of a focal cerebral I/R model in the right middle cerebral artery of obstructed mice. Longa scores were used to assess neurological changes of mice. Nissl staining and TdT-mediated dUTP-biotin nick-end labeling staining were used to examine neuronal damage and cell apoptosis in the right prefrontal cortex, while immunofluorescence staining was used to detect glial fibrillary acidic protein- and Notch1-positive cells. Protein expression levels of Hes1 and Hes5 were detected by western blot assay in the right prefrontal cortex. Our results demonstrated that DAPT significantly improved neurobehavioral scores and relieved neuronal morphological damage. DAPT decreased the number of glial fibrillary acidic protein- and Notch1-positive cells in the right prefrontal cortex, while also reducing the number of apoptotic cells and decreasing interleukin-6 and tumor necrosis factor-α contents, and simultaneously downregulating Hes1 and Hes5 protein expression. These findings verify that DAPT alleviates pathological lesions and strengthens the anti-inflammatory response after cerebral I/R injury. Thus, DAPT might be developed as an effective drug for the prevention of cerebral I/R injury.
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Affiliation(s)
- Jun-Jie Wang
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
| | - Jun-De Zhu
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
| | - Xian-Hu Zhang
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
| | - Ting-Ting Long
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
| | - Guo Ge
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
| | - Yan Yu
- Department of Anatomy, School of Basic Medicine, Guizhou Medical University, Guian New District, Guizhou Province, China
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30
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Holistic Regulation of Angiogenesis with Chinese Herbal Medicines as a New Option for Coronary Artery Disease. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:3725962. [PMID: 30186354 PMCID: PMC6110048 DOI: 10.1155/2018/3725962] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Accepted: 08/05/2018] [Indexed: 12/15/2022]
Abstract
Effectively improving myocardial blood flow and controlling atherosclerotic plaque have always been key and difficult points in the prevention and treatment of coronary artery disease (CAD). Although “therapeutic angiogenesis” is regarded as a promising approach for ischemic heart disease by improving blood flow, angiogenesis itself can induce the destabilization of atherosclerotic plaque, which reflects the double-edged role of angiogenesis. Modulating the balance of angiogenesis can be an important target for CAD treatment. Traditional Chinese medicine (TCM) emphasizes the holistic view and dynamic balance of the body. Furthermore, the principle of activating blood circulation and removing blood stasis (ABCRS) is closely connected with angiogenesis and CAD. Recent research suggests that Chinese herbal medicines for ABCRS are effective in balancing the regulation of angiogenesis. This review presents the progress of recent research on the angiogenesis regulation with Chinese herbal medicines for ABCRS in CAD. Moreover, this review demonstrates that Chinese herbal medicines for ABCRS can not only promote angiogenesis in the ischemic area to improve myocardial blood flow but also alleviate angiogenesis to stabilize plaque in atherosclerosis, which reflects the holistic regulatory role in CAD treatment.
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Juillerat-Jeanneret L, Aubert JD, Mikulic J, Golshayan D. Fibrogenic Disorders in Human Diseases: From Inflammation to Organ Dysfunction. J Med Chem 2018; 61:9811-9840. [DOI: 10.1021/acs.jmedchem.8b00294] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Lucienne Juillerat-Jeanneret
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - John-David Aubert
- Pneumology Division and Transplantation Center, Centre Hospitalier Universitaire Vaudois (CHUV), CH1011 Lausanne, Switzerland
| | - Josip Mikulic
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
| | - Dela Golshayan
- Transplantation Center and Transplantation Immunopathology Laboratory, Department of Medicine, Centre Hospitalier Universitaire Vaudois (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland
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32
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Schaefer L. Decoding fibrosis: Mechanisms and translational aspects. Matrix Biol 2018; 68-69:1-7. [PMID: 29679639 DOI: 10.1016/j.matbio.2018.04.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 04/17/2018] [Indexed: 12/17/2022]
Abstract
Fibrosis, a complex process of abnormal tissue healing which inevitably leads to loss of physiological organ structure and function, is a worldwide leading cause of death. Despite a large body of research over the last two decades, antifibrotic approaches are mainly limited to organ replacement therapy generating high costs of medical care. In this translational issue, a unique group of basic and clinical researchers provide meaningful answers to a desperate call of society for effective antifibrotic treatments. Fortunately, a plethora of novel fibrogenic factors and biomarkers has been identified. Noninvasive diagnostic methods and drug delivery systems have been recently developed for the management of fibrosis. Consequently, a large number of exciting clinical trials addressing comprehensive, organ and stage-specific mechanisms of fibrogenesis are ongoing. By critically addressing previously unsuccessful and novel promising therapeutic strategies, we aim to spread hope for future treatments of the various forms of organ fibrosis.
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Affiliation(s)
- Liliana Schaefer
- Pharmazentrum Frankfurt, Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Goethe-Universität Frankfurt am Main, Frankfurt am Main 60590, Germany.
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33
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Rizzo P, Bollini S, Bertero E, Ferrari R, Ameri P. Beyond cardiomyocyte loss: Role of Notch in cardiac aging. J Cell Physiol 2018; 233:5670-5683. [PMID: 29271542 DOI: 10.1002/jcp.26417] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 12/05/2017] [Accepted: 12/18/2017] [Indexed: 12/12/2022]
Abstract
The knowledge of the cellular events occurring in the aging heart has dramatically expanded in the last decade and is expected to further grow in years to come. It is now clear that impaired function and loss of cardiomyocytes are major features of cardiac aging, but other events are likewise important. In particular, accumulating experimental evidence highlights the importance of fibroblast and cardiac progenitor cell (CPC) dysfunction. The Notch pathway regulates cardiomyocyte, fibroblast, and CPC activity and, thus, may be critically involved in heart disease associated with advanced age, especially heart failure. In a translational perspective, thorough investigation of the Notch system in the aging myocardium may lead to the identification of molecular targets for novel therapies for age-related cardiac disease.
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Affiliation(s)
- Paola Rizzo
- Department of Morphology, Surgery, and Experimental Medicine and Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy.,Maria Cecilia Hospital, GVM Care and Research, E.S. Health Science Foundation, Cotignola, Italy
| | - Sveva Bollini
- Department of Experimental Medicine, Regenerative Medicine Laboratory, University of Genova, Genova, Italy
| | - Edoardo Bertero
- Department of Internal Medicine, Laboratory of Cardiovascular Biology, University of Genova and Ospedale Policlinico San Martino IRCCS per Oncologia, Genova, Italy
| | - Roberto Ferrari
- Maria Cecilia Hospital, GVM Care and Research, E.S. Health Science Foundation, Cotignola, Italy
| | - Pietro Ameri
- Department of Internal Medicine, Laboratory of Cardiovascular Biology, University of Genova and Ospedale Policlinico San Martino IRCCS per Oncologia, Genova, Italy
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