A Helpful A-z On Swift Solutions For Examination For Neurology


When they applied these cells to rodent brain tissue and then electrically stimulated the SCN, Bourque says, “We saw a big increase in the output of the sniffer cells, indicating that vasopressin is being released in that area as a result of stimulating the clock.” To explore if vasopressin was stimulating thirst neurons, the researchers employed optogenetics, a cutting-edge technique that uses laser light to turn neurons on or off. Using genetically engineered mice whose vasopressin neurons contain a light activated molecule, the researchers were able to show that vasopressin does, indeed, turn on thirst neurons. the medical school interview“Although this study was performed in rodents, it points toward an explanation as to why we often experience thirst and ingest liquids such as water or milk before bedtime,” Bourque says. “More importantly, this advance in our understanding of how the clock executes a circadian rhythm has applications in situations such as jet lag and shift work. All our organs follow a circadian rhythm, which helps optimize how they function. Shift work forces people out of their natural rhythms, which can have repercussions on health. Knowing how the clock works gives us more potential to actually do something about it.” ### ‘Clock-driven vasopressin neurotransmission mediates anticipatory thirst prior to sleep’, by C. Gizowski, C. Zaelzer, and C.W. Bourque is published in Nature, doi:10.1038/nature19756 This research was supported by the Canadian Institutes of Health Research and the Fonds de Recherche du Quebec – Sante.

For the original version including any supplementary images or video, visit https://www.eurekalert.org/pub_releases/2016-10/mu-bbc100616.php

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