Physical and genetic aspects of cardiac morphogenesis
My research programme is closely related and complementary to that of Professor Deborah Henderson. Our research addresses the genetic and, in the widest non-genetic sense, epigenetic mechanisms that regulate normal cardiac development which when disturbed can produce congenital structural heart disease or influence the response of adult myocardium to disease.
We are particularly interested in the role of the Wnt signalling network in shaping the developing heart and I am extending Deb’s work in planar cell polarity signalling to canonical and calcium Wnt signalling. Over the last 5 years I have led the development of several laboratory models that also complement our mouse genetics expertise, including zebrafish and an embryonic stem cell model of cardiogenesis.
Recently, we have begun to analyse and confirm our findings in human material and are developing in silico imaging techniques. Both Deb and I are interested in environmental influences and are investigating how agents such as folic acid, anthracyclines and alcohol, may affect morphogenesis. We are also investigating the reactivation of our embryonic developmental pathways in the regenerating heart. We are investigating the adult zebrafish heart, which following surgical removal of the ventricular apex, has the capacity to fully regenerate without scarring.
In our quest to understand heart development I have taken an engineering approach to morphogenesis which complements Deb Henderson’s genetic analysis. In the first steps of this long-term project I am looking at how we can quantify passive and active mechanical properties of the forming heart on three different orders of scale. At a cellular level we have established cell force traction microscopy and are extending the model by attempting to integrate cell attachment and cytoskeletal data to characterise the force loading of structural elements within cells that form the heart, for example primary and second heart field cardiomyocytes, neural crest cells, endothelial cells and fibroblasts. This work has lead to collaborations with biomechanical engineers based both in Europe and the UK. At the tissue level of organisation we are using embryo slice culture to follow cells within their natural environment. Finally, at an organ/system level we are seeking to analyse the global function of the embryonic cardiovascular system, using the zebrafish as an accessible model - before progressing to more complex systems. Hence, throughout our research we are seeking to collect meaningful data that can be quantified and then used to create and test in silico model systems.
Robert Anderson BSc, MD, FRCPath, FESC, FECTS
Visiting Professor
Alina Andras, BSC, PhD
Newcastle Hospitals Trust JRE Research Associate
Veronica Boczonadi BSc, MSc
BHF Research Associate
David Burns
Zebrafish Aquarium technician
Nicholas Child MB BS MRCP
BHF Clinical Research Training Fellow
Deborah Henderson BSc PhD
Professor of Cardiac Development, BHF Basic Science Lecturer
Darren Hoyland BSc, PhD
BHF Research Assistant
Tania Papoutsi BSc
BHF PhD Student
Helen Phillips BSc, PhD
Newcastle University Faculty of Medical Sciences Fellow
Hong Jun Rhee BSc, PhD
BHF Research Associate