Public release date: 29-Nov-2012 [ | E-mail | Share ] Contact: Christopher Rucas christopher.rucas@nyumc.org 212-404-3525 NYU Langone Medical Center / New York University School of Medicine Scientists at NYU Langone Medical Center have identified two genes involved in establishing the neuronal circuits required for breathing. They report their findings in a study published in the December issue of Nature Neuroscience. The discovery, featured on the journal's cover, could help advance treatments for spinal cord injuries and neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), which gradually kill neurons that control the movement of muscles needed to breathe, move, and eat. The study identifies a molecular code that distinguishes a group of muscle-controlling nerve cells collectively known as the phrenic motor column (PMC). These cells lie about halfway up the back of the neck, just above the fourth cervical vertebra, and are "probably the most important motor neurons in your body," says Jeremy Dasen, PhD, assistant professor of physiology and neuroscience and a member of the Howard Hughes Medical Institute, who led the three-year study with Polyxeni Philippidou, PhD, a postdoctoral fellow. Harming the part of the spinal cord where the PMC resides can instantly shut down breathing. But relatively little … Continue reading
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