Actor Michael J Fox and Kiwi athlete Sir John Walker have the neuro degenerative disorder that causes the cells in a region of the brain to die and stop producing dopamine. These cells gradually degenerate causing a slowness in movement, a difficulty in initiating movement, a tremor in fingers and limbs, stooped posture and a loss of facial expression.
Freestone is pioneering the use of optogenetics, light- based technology, at the Faculty of Medical & Health Sciences, University of Auckland. Optogenetics is a relatively new technique in neuroscience, involving the use of light to activate single neurons within a tightly interconnected network, and allows a very high level of precision when studying brain function.
Freestone's research aims to deepen the understanding of what changes in the Parkinson's brain and identify more effective therapies to improve the lives of those living with the disease.
"The outcomes from this research have the potential to have local, national and global impact," Sue Brewster, Executive Director of the Auckland Medical Research Foundation (AMRF) says. "The goal is to enhance current methods of diagnosis and create therapies that improve the overall quality of lives of those living with this incurable disease – and the lives of their families."
The AMRF has been a major funder of Dr Freestone's work and is the largest independent funder of medical research in New Zealand. Last year alone the Foundation received requests for more than $21m to fund medical research but could grant only less than 20 per cent of that. For Freestone progressing the research is now under threat.
"The reality is that this work may have to be put on hold," Freestone admits. "To get results we need funding.
I cannot take on more students if I do not know my funding situation. The least enjoyable part of this is not knowing if you can continue your research. Every time I am writing applications for grants, is time I am not inthe lab."
He is extremely grateful to the public for their donations – and family bequests.
"Parkinson's represents a huge loss for communities, families and the country. So anything we can do to get people with Parkinson's maintaining a normal life – engaging in family and community life, employment – is really important.
"But will I have a salary to work on this next year? I just press on, doing the best research I can, and hope forthe best."
About Parkinsons disease:
An incurable and degenerative neurological disease with extreme physical, financial and emotional impacts, Parkinson's disease is life-debilitating, but not life-threatening.
Currently it affects approximately two per cent of New Zealanders (estimated at 12,000 people) and those numbers are expected to double over the next 25 years with an increasing aged population.
A small percentage – 5% of people with Parkinson's – have a clear hereditary cause. The other 95% start to develop the symptoms around 60. By that stage a lot of the damage has been done and it will continue to get worse. Improved treatments provide a better chance of stemming the symptoms and improving quality of life.
Public donations are vital:
Medical advances take time and money. Please help fund the search for ways to improve people's health and quality of life. One hundred per cent of all donations to the Auckland Medical Research Foundation go directly to funding across the spectrum of medicine and health. Go to www.medicalresearch.org.nz