The role of the NPY system in health and disease

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Obesity-associated diseases are a major health problem and treatments are ineffective. My team’s focus is to determine how a brain molecule called neuropeptide Y (NPY) controls appetite and body fat mass and how this is changed in obesity or in the other extreme, anorexia, which is common in late stage cancer. We will use genetically modified mouse models and investigate the role of NPY under different stress conditions and in cancer. This will tell us if targeting this NPY system with drugs may provide a treatment for these diseases.