Neuroscience letters

No daily rhythm in blood vessel-regulating peptide release and variable release of water balance hormone in vole brain's internal clock area

Circadian Biology Weekly Brief ↗PubMed ↗DOI ↗

Updated

Abstract

Common voles exhibit peaks in arginine-vasopressin (AVP) release 20 hours apart in 4 out of 6 samples.

  • Organotypic cultures of neonatal common voles did not show circadian modulation in vasoactive intestinal polypeptide (VIP) release.
  • The release patterns of AVP were inconsistent compared to the stable patterns observed in rats.
  • The findings indicate that VIP and AVP may function independently in the circadian pacemaker mechanisms of common voles.
  • These observations highlight the variability of circadian activity patterns between voles and rats.

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