Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development

During cardiac differentiation, numerous factors contribute to the development of the heart. Understanding the molecular mechanisms underlying cardiac development will help combat cardiovascular disorders, among the leading causes of morbidity and mortality worldwide. Among the main mechanisms, we i...

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Main Authors: Tiziana Angrisano, Francesca Varrone, Elvira Ragozzino, Annalisa Fico, Gabriella Minchiotti, Mariarita Brancaccio
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/24/15/12251
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author Tiziana Angrisano
Francesca Varrone
Elvira Ragozzino
Annalisa Fico
Gabriella Minchiotti
Mariarita Brancaccio
author_facet Tiziana Angrisano
Francesca Varrone
Elvira Ragozzino
Annalisa Fico
Gabriella Minchiotti
Mariarita Brancaccio
author_sort Tiziana Angrisano
collection DOAJ
description During cardiac differentiation, numerous factors contribute to the development of the heart. Understanding the molecular mechanisms underlying cardiac development will help combat cardiovascular disorders, among the leading causes of morbidity and mortality worldwide. Among the main mechanisms, we indeed find Cripto. Cripto is found in both the syncytiotrophoblast of ampullary pregnancies and the inner cell mass along the primitive streak as the second epithelial–mesenchymal transformation event occurs to form the mesoderm and the developing myocardium. At the same time, it is now known that cardiac signaling pathways are intimately intertwined with the expression of myomiRNAs, including miR-1. This miR-1 is one of the muscle-specific miRs; aberrant expression of miR-1 plays an essential role in cardiac diseases. Given this scenario, our study aimed to evaluate the inverse correlation between Cripto and miR-1 during heart development. We used in vitro models of the heart, represented by embryoid bodies (EBs) and embryonic carcinoma cell lines derived from an embryo-derived teratocarcinoma in mice (P19 cells), respectively. First, through a luciferase assay, we demonstrated that Cripto is a target of miR-1. Following this result, we observed that as the days of differentiation increased, the Cripto gene expression decreased, while the level of miR-1 increased; furthermore, after silencing miR-1 in P19 cells, there was an increase in Cripto expression. Moreover, inducing damage with a cobra cardiotoxin (CTX) in post-differentiation cells, we noted a decreased miR-1 expression and increased Cripto. Finally, in mouse cardiac biopsies, we observed by monitoring gene expression the distribution of Cripto and miR-1 in the right and left ventricles. These results allowed us to detect an inverse correlation between miR-1 and Cripto that could represent a new pharmacological target for identifying new therapies.
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spelling doaj.art-9c89bd299f1945e2b7c7b3330dc6cf892023-11-18T23:02:30ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-07-0124151225110.3390/ijms241512251Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart DevelopmentTiziana Angrisano0Francesca Varrone1Elvira Ragozzino2Annalisa Fico3Gabriella Minchiotti4Mariarita Brancaccio5Department of Biology, University of Naples Federico II, 80126 Naples, ItalyIRBM S.p.A, 80131 Naples, ItalyDipartimento di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, 26100 Rome, ItalyStem Cell Fate Laboratory, Institute of Genetics and Biophysics, “A. Buzzati-Traverso”, CNR, 80131 Naples, ItalyStem Cell Fate Laboratory, Institute of Genetics and Biophysics, “A. Buzzati-Traverso”, CNR, 80131 Naples, ItalyDepartment of Molecular Medicine and Medical Biotechnology, University of Naples Federico II, 80131 Naples, ItalyDuring cardiac differentiation, numerous factors contribute to the development of the heart. Understanding the molecular mechanisms underlying cardiac development will help combat cardiovascular disorders, among the leading causes of morbidity and mortality worldwide. Among the main mechanisms, we indeed find Cripto. Cripto is found in both the syncytiotrophoblast of ampullary pregnancies and the inner cell mass along the primitive streak as the second epithelial–mesenchymal transformation event occurs to form the mesoderm and the developing myocardium. At the same time, it is now known that cardiac signaling pathways are intimately intertwined with the expression of myomiRNAs, including miR-1. This miR-1 is one of the muscle-specific miRs; aberrant expression of miR-1 plays an essential role in cardiac diseases. Given this scenario, our study aimed to evaluate the inverse correlation between Cripto and miR-1 during heart development. We used in vitro models of the heart, represented by embryoid bodies (EBs) and embryonic carcinoma cell lines derived from an embryo-derived teratocarcinoma in mice (P19 cells), respectively. First, through a luciferase assay, we demonstrated that Cripto is a target of miR-1. Following this result, we observed that as the days of differentiation increased, the Cripto gene expression decreased, while the level of miR-1 increased; furthermore, after silencing miR-1 in P19 cells, there was an increase in Cripto expression. Moreover, inducing damage with a cobra cardiotoxin (CTX) in post-differentiation cells, we noted a decreased miR-1 expression and increased Cripto. Finally, in mouse cardiac biopsies, we observed by monitoring gene expression the distribution of Cripto and miR-1 in the right and left ventricles. These results allowed us to detect an inverse correlation between miR-1 and Cripto that could represent a new pharmacological target for identifying new therapies.https://www.mdpi.com/1422-0067/24/15/12251CriptomiR-1luciferase assaycardiac differentiationcardiac injury
spellingShingle Tiziana Angrisano
Francesca Varrone
Elvira Ragozzino
Annalisa Fico
Gabriella Minchiotti
Mariarita Brancaccio
Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
International Journal of Molecular Sciences
Cripto
miR-1
luciferase assay
cardiac differentiation
cardiac injury
title Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
title_full Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
title_fullStr Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
title_full_unstemmed Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
title_short Cripto Is Targeted by miR-1a-3p in a Mouse Model of Heart Development
title_sort cripto is targeted by mir 1a 3p in a mouse model of heart development
topic Cripto
miR-1
luciferase assay
cardiac differentiation
cardiac injury
url https://www.mdpi.com/1422-0067/24/15/12251
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AT annalisafico criptoistargetedbymir1a3pinamousemodelofheartdevelopment
AT gabriellaminchiotti criptoistargetedbymir1a3pinamousemodelofheartdevelopment
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