Dogs have olfactory receptors 10,000 times more accurate than humans and, therefore, are more sensitive to the odors we can not even perceive. A new study now shows that our four-legged friends can use their "nose" to detect the presence of tumors in human blood samples with 97% accuracy.
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The results could lead to truly innovative, inexpensive, non-invasive cancer screening approaches. The BioScentDx experts, led by Heather Junqueira, are convinced that they will present this research at the annual meeting of the American Society of Biochemistry and Molecular Biology. in Orlando, Florida (United States).
Junqueira and her colleagues used a form of clicker training (a positive conditioning system) to teach four Beagles to distinguish between normal blood and blood from patients with malignant lung cancer. Within the small group of animals, three dogs correctly identified the samples of the malat in 96.7% of the cases and the normal samples in 97.5% of the cases.
BioScentDx aims to use the "canine detection system to develop a non-invasive way of detecting cancer and other life-threatening diseases." As a next step, the company launched a study on breast cancer in November to study the capacity olfactory of animals from the breath of the sick.
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