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Man’s best friend could provide more than companionship.
In a new study from the University of Bristol, dogs were found to detect Parkinson’s disease before symptoms appear.
Previous investigations have shown that people with Parkinson have increased amounts of sebum, an oily, wax substance with a distinctive scent on the skin.
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In the new study, two dogs that had been formed in more than 200 smells were presented with skin tampons of 130 people with Parkinson’s and 175 people without the disease, according to a statement.
Dogs -a golden retriever called a bumper and a black labrador called peanut -were rewarded to positively identify Parkinson’s samples and to ignore negatives.
In a new study from the University of Bristol, dogs were found to detect Parkinson’s disease before symptoms appear. (Istock)
Dogs showed a sensitivity of up to 80%, which means that they identified people who had the disease 80% of the time.
They achieved a specificity of up to 98%, which is good to rule out people who did not have Parkinson’s.
“Dogs … showed that there is a different olfactory signature for patients with the disease.”
The University of Bristol collaborated with the medical detection dogs and the University of Manchester in the study, published in the Journal of Parkinson’s Disease on July 15.
Although there is no early screening available for Parkinson’s, some early alert signs may appear years or even decades before diagnosis, according to experts.
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“Identify PD diagnostic biomarkers, particularly those who can predict or help diagnose diseases before, is the subject of much ongoing research,” said the author of the main study Nicola Rooney, an associate professor at the Bristol Veterinary School at Bristol University, in the statement.
Previous investigations have shown that people with Parkinson have increased amounts of sebum, an oily, wax substance with a distinctive scent on the skin. (Istock)
“The dogs in this study achieved high sensitivity and specificity and showed that there is a different olfactory signature for patients with the disease,” he continued.
“70% and 80% sensitivity levels are well above chance and I think dogs could help us develop a fast, non -invasive and profitable method for identifying patients with Parkinson’s disease.”
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Claire Guest, a scientific director of the UK Medical Detection Dogs, reiterated that the study confirmed that dogs could “very accurately” detect the disease.
“Timely diagnosis is key, as subsequent treatment could slow down the progression of the disease and reduce the intensity of the symptoms,” he said in launch.
Dogs (not in the photo) were rewarded to positively identify Parkinson’s samples and to ignore -Ne of negatives. (Istock)
Perdita Barran, a professor of mass spectrometry at Manchester University, said that the study “adds to the growing body of evidence that show that simple and non -invasive tampons can be used to diagnose Parkinson’s disease, offering a faster and accessible method for early detection.”
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Forwards, the team plans to carry out long -term studies to evaluate dogs’ ability to detect Parkinson before diagnosis.
The Michael J. Fox and the United Kingdom of Parkinson’s Foundation provided funding for this study.
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