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June Professor in Infectious Diseases Joins NUI Galway to Lead €5 million Project to Tackle Major Parasitic Diseases
Professor in Infectious Diseases Joins NUI Galway to Lead €5 million Project to Tackle Major Parasitic Diseases
Monday, 17 June 2019
Professor John Pius Dalton, Professor of Molecular Parasitology, NUI Galway. Photo: Aengus McMahon
Professor John Pius Dalton, a renowned scientist in Infectious Diseases, has joined NUI Galway as Professor of Molecular Parasitology to tackle major parasitic diseases of humans and their livestock. He joins the University through the Science Foundation Ireland (SFI) Research Professorship Programme, which supports national strategic priorities by recruiting world-leading research and leadership talent to Ireland. He will develop a €5 million research project, which will devise an overall strategy for the development of a novel preventative vaccine of parasitic diseases for both humans and animals.
Globally, almost two billion people, one-quarter of the world’s population, suffer from parasitic worm diseases. These occur predominantly in low to middle income regions of the world, such as sub-Saharan Africa, Asia, and South America, where households earn less than two dollars a day. Parasitic diseases cause high morbidity, particularly amongst children, and reduce the economic potential of these regions, and compound the health and wellbeing issues related to poverty.
While infections with parasitic worms, such as pin-worm, may have been common in Ireland over 70 years ago, due to better sanitation and control measures these are, thankfully, now infrequent. However, within the agricultural community parasitic worm infections are all too common – think about the annual advertisements on TV that advise farmers to drug-treat their animals to rid them of fluke, lungworm or other parasites! In fact, Irish farmers spend over €90 million per year to protect their sheep, cattle and pigs from such diseases. The emergence of drug-resistance parasites as well as the impacts of climate change on parasite transmission is causing major concern as we are now seeing an increase of livestock parasites in Ireland and across Europe.
Speaking about his new role at NUI Galway, Professor Dalton, says: “To develop new vaccines we need to understand the basic biology of the interaction between the parasite and its host – from this we can devise vaccines to break this relationship and protect the host, and we now have the molecular, bioinformatics and genetic tools to do this, as well as the technology to manufacture vaccines.
“I’m looking forward to developing a world-class Molecular Parasitology research team at NUI Galway and to tapping into the excellent expertise in infectious diseases already established here and nearby at Teagasc, Athenry. This is a perfect research environment to translate our research into real and practical outcomes in veterinary and human medicine, not only for Ireland but also for much less well-off regions in the world.”
Professor Dalton’s research will also develop novel diagnostic tests for parasites to help farmers control and manage infection on the farm to reduce their reliance on chemical treatments. “The ultimate aim is to benefit farmers”, says Professor Dalton, “they need better means of detecting diseases on farms so that they can strategically, rather than randomly, treat their livestock. It saves them money, effort and, in the long term, can help eradicate disease.”
However, there is another exciting edge to this research. Parasites can survive up to 20 years in humans and animals and they do this by manipulating the immune responses of their host. Professor Dalton, explains: “The way parasites have evolved to selectively and effectively control specific arms of the host immune system is fascinating and explains why they are so successful and so widespread. But on the other hand, we can learn lots from them on how to control immune responses.”
Professor Dalton’s team will focus on elucidating how parasites suppress and alter the effectiveness of their host’s immune system and have already discovered various parasite molecules that enter immune cells of the host and silence their normal functions.
Professor Dalton, adds: “The very same molecules can be used to treat disorders of humans whereby the immune system is over-reacting, we call these parasite-design biotherapeutics and we are using them to dampen down destructive immune reactions. For example, a major common component of diseases such as inflammatory bowel diseases, such as ulcerative colitis and Crohn’s disease, Type 1 diabetes, multiple sclerosis, and arthritis is damage caused by our immune system targeting our own tissues. Our experimental research this far indicates that we can use our parasite-designed molecules to silence these auto-reactive responses and possibly come up with new treatments. So our goal at NUI Galway will be to advance our approach to human systems.”
Professor Lokesh Joshi, Vice President for Research at NUI Galway, said: “We are delighted to welcome Professor John Pius Dalton as he joins our vibrant research community here in Galway. Professor Dalton is recognised as a world-leader in the area of major parasitic diseases and his appointment is an invaluable addition to the ongoing health research at NUI Galway. His research will develop a better understanding of parasitic diseases with opportunities for novel biomarkers and vaccines.”
Professor Mark Ferguson, Director General of Science Foundation Ireland and Chief Adviser to the Government of Ireland, commented: “It is fantastic to see Professor John Dalton bringing his wealth of knowledge and expertise in infectious diseases to Ireland through the SFI Research Professorship programme. We are very pleased to be working alongside NUI Galway on his appointment, which will have positive impacts for Irish scientific research, and may lead to future benefits for farmers and their livestock as well as for doctors and their patients.
“Recruiting world class researchers to lead ground-breaking research programmes with potential societal and economic impact is a priority for Science Foundation Ireland. I am confident that Professor Dalton will be a significant new asset to the thriving research community in Ireland, and will contribute to furthering Irelands international reputation for excellent scientific research with impact. I congratulate Professor Dalton on his appointment and extend him a very warm welcome and best wishes for a successful future.”
Professor Dalton was a Professor of Infectious Disease at Queen’s University of Belfast. Before this he was a Canada Research Chair in Infectious Diseases at the Institute of Parasitology, McGill University, and Director of McGill’s Graduate Program in Biotechnology. Dalton was previously Director of the Institute for the Biotechnology of Infectious Diseases, University of Technology Sydney, Australia, where he was awarded the New South Wales Government BioFirst Award in Biotechnology between 2003-2008. Recently, he was awarded a Royal Society Research Merit Award and European Research Council Advanced Grant Award for his studies of animal and human parasitic diseases and development of vaccines and diagnostics.
Author: Marketing and Communications, NUI Galway