Highlights of the 2018 Marseille Meeting of the ESC Working Group on Development, Anatomy, and Pathology

A special issue of Journal of Cardiovascular Development and Disease (ISSN 2308-3425).

Deadline for manuscript submissions: closed (31 December 2019) | Viewed by 17016

Special Issue Editors


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Guest Editor
Aix Marseille University, INSERM, Marseille Medical Genetics, U1251, 13005 Marseille, France
Interests: developmental biology; cardiac and cardiovascular systems; pathology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Developmental Biology Institute of Marseille, CNRS UMR 7288, Aix-Marseille University, 13007 Marseille, France
Interests: early heart development; cardiac progenitor cells; pharyngeal development; outflow tract morphogenesis; ventricular conduction system; craniofacial myogenesis; T-box genes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A forthcoming Special Issue of the Journal of Cardiovascular Development and Disease will be dedicated to papers and reviews stemming from the Marseille Cardiovascular Development Meeting, to be held at the Palais du Pharo in Marseille, France from 22–24 October, 2018.

The Marseille Cardiovascular Development Meeting, supported by JCDD, is the annual conference of the European Society of Cardiology Working Group on Development, Anatomy, and Pathology. A broad range of topics and animal models will be included in a highly interactive forum, spanning from cardiac progenitor cells in the early embryo through to heart regeneration and cardiac pathology, with a hands-on session focused on atrioventricular septal defects. Of historical interest for the ESC working group and JCDD, Etienne-Louis Arthur Fallot (1850–1911) was Professor of Anatomy at the Hôpital de la Conception in Marseille when he published his description of the tetralogy of cardiac anomalies that define "la maladie bleue" in 1888.

Manuscripts should be submitted to JCDD before 31 December, 2018 for issue publication in spring 2019.

Dr. Stephane Zaffran
Dr. Robert G. Kelly
Guest Editors

Manuscript Submission Information

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Published Papers (3 papers)

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Research

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14 pages, 5003 KiB  
Article
Krox20 Regulates Endothelial Nitric Oxide Signaling in Aortic Valve Development and Disease
by Gaëlle Odelin, Emilie Faure, Corinne Maurel-Zaffran and Stéphane Zaffran
J. Cardiovasc. Dev. Dis. 2019, 6(4), 39; https://doi.org/10.3390/jcdd6040039 - 2 Nov 2019
Cited by 7 | Viewed by 3378
Abstract
Among the aortic valve diseases, the bicuspid aortic valve (BAV) occurs when the aortic valve has two leaflets (cusps), rather than three, and represents the most common form of congenital cardiac malformation, affecting 1–2% of the population. Despite recent advances, the etiology of [...] Read more.
Among the aortic valve diseases, the bicuspid aortic valve (BAV) occurs when the aortic valve has two leaflets (cusps), rather than three, and represents the most common form of congenital cardiac malformation, affecting 1–2% of the population. Despite recent advances, the etiology of BAV is poorly understood. We have recently shown that Krox20 is expressed in endothelial and cardiac neural crest derivatives that normally contribute to aortic valve development and that lack of Krox20 in these cells leads to aortic valve defects including partially penetrant BAV formation. Dysregulated expression of endothelial nitric oxide synthase (Nos3) is associated with BAV. To investigate the relationship between Krox20 and Nos3 during aortic valve development, we performed inter-genetic cross. While single heterozygous mice had normal valve formation, the compound Krox20+/−;Nos3+/− mice had BAV malformations displaying an in vivo genetic interaction between these genes for normal valve morphogenesis. Moreover, in vivo and in vitro experiments demonstrate that Krox20 directly binds to Nos3 proximal promoter to activate its expression. Our data suggests that Krox20 is a regulator of nitric oxide in endothelial-derived cells in the development of the aortic valve and concludes on the interaction of Krox20 and Nos3 in BAV formation. Full article
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12 pages, 4181 KiB  
Article
Inhibition of let-7c Regulates Cardiac Regeneration after Cryoinjury in Adult Zebrafish
by Suneeta Narumanchi, Karri Kalervo, Sanni Perttunen, Hong Wang, Katariina Immonen, Riikka Kosonen, Mika Laine, Heikki Ruskoaho, Ilkka Tikkanen, Päivi Lakkisto and Jere Paavola
J. Cardiovasc. Dev. Dis. 2019, 6(2), 16; https://doi.org/10.3390/jcdd6020016 - 4 Apr 2019
Cited by 4 | Viewed by 4418
Abstract
The let-7c family of micro-RNAs (miRNAs) is expressed during embryonic development and plays an important role in cell differentiation. We have investigated the role of let-7c in heart regeneration after injury in adult zebrafish. let-7c antagomir or scramble injections were given at one [...] Read more.
The let-7c family of micro-RNAs (miRNAs) is expressed during embryonic development and plays an important role in cell differentiation. We have investigated the role of let-7c in heart regeneration after injury in adult zebrafish. let-7c antagomir or scramble injections were given at one day after cryoinjury (1 dpi). Tissue samples were collected at 7 dpi, 14 dpi and 28 dpi and cardiac function was assessed before cryoinjury, 1 dpi, 7 dpi, 14 dpi and 28 dpi. Inhibition of let-7c increased the rate of fibrinolysis, increased the number of proliferating cell nuclear antigen (PCNA) positive cardiomyocytes at 7 dpi and increased the expression of the epicardial marker raldh2 at 7 dpi. Additionally, cardiac function measured with echocardiography recovered slightly more rapidly after inhibition of let-7c. These results reveal a beneficial role of let-7c inhibition in adult zebrafish heart regeneration. Full article
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Review

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13 pages, 4302 KiB  
Review
Hypoplastic Left Heart Syndrome: A New Paradigm for an Old Disease?
by Paul Grossfeld, Shuyi Nie, Lizhu Lin, Lu Wang and Robert H. Anderson
J. Cardiovasc. Dev. Dis. 2019, 6(1), 10; https://doi.org/10.3390/jcdd6010010 - 23 Feb 2019
Cited by 45 | Viewed by 8737
Abstract
Hypoplastic left heart syndrome occurs in up to 3% of all infants born with congenital heart disease and is a leading cause of death in this population. Although there is strong evidence for a genetic component, a specific genetic cause is only known [...] Read more.
Hypoplastic left heart syndrome occurs in up to 3% of all infants born with congenital heart disease and is a leading cause of death in this population. Although there is strong evidence for a genetic component, a specific genetic cause is only known in a small subset of patients, consistent with a multifactorial etiology for the syndrome. There is controversy surrounding the mechanisms underlying the syndrome, which is likely due, in part, to the phenotypic variability of the disease. The most commonly held view is that the “decreased” growth of the left ventricle is due to a decreased flow during a critical period of ventricular development. Research has also been hindered by what has been, up until now, a lack of genetically engineered animal models that faithfully reproduce the human disease. There is a growing body of evidence, nonetheless, indicating that the hypoplasia of the left ventricle is due to a primary defect in ventricular development. In this review, we discuss the evidence demonstrating that, at least for a subset of cases, the chamber hypoplasia is the consequence of hyperplasia of the contained cardiomyocytes. In this regard, hypoplastic left heart syndrome could be viewed as a neonatal form of cardiomyopathy. We also discuss the role of the endocardium in the development of the ventricular hypoplasia, which may provide a mechanistic basis for how impaired flow to the developing ventricle leads to the anatomical changes seen in the syndrome. Full article
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