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Surge of Peripheral Arginine Vasopressin in a Rat Model of Birth Asphyxia

2018

Mammalian birth is accompanied by a period of obligatory asphyxia, which consists of hypoxia (drop in blood O2 levels) and hypercapnia (elevation of blood CO2 levels). Prolonged, complicated birth can extend the asphyxic period, leading to a pathophysiological situation, and in humans, to the diagnosis of clinical birth asphyxia, the main cause of hypoxic-ischemic encephalopathy (HIE). The neuroendocrine component of birth asphyxia, in particular the increase in circulating levels of arginine vasopressin (AVP), has been extensively studied in humans. Here we show for the first time that normal rat birth is also accompanied by an AVP surge, and that the fetal AVP surge is further enhanced in…

0301 basic medicineVasopressinmedicine.medical_specialtySTRESSArgininehypothalamic-pituitary axis (HPA axis)blood gasesHYPOXIAbirth asphyxia3124 Neurology and psychiatrylcsh:RC321-571neonatal03 medical and health sciencesCellular and Molecular Neuroscience0302 clinical medicineCopeptinInternal medicineMedicineBRAINlcsh:Neurosciences. Biological psychiatry. NeuropsychiatryPRECURSORNEURONSperinatalOriginal ResearchRELEASEAsphyxiaFetusPARAVENTRICULAR NUCLEUSbusiness.industry3112 NeurosciencescopeptinENCEPHALOPATHYarginine vasopressin (AVP)Hypoxia (medical)base deficit030104 developmental biologyEndocrinologyHypothalamusHYPOTHALAMUSmedicine.symptombusinessHypercapnia030217 neurology & neurosurgeryNeuroscienceFrontiers in Cellular Neuroscience
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