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Erythropoietin impacts the stress‐related respiratory dysfunction in mice: neonatal maternal separation and sex dimorphism

Neonatal maternal separation (NMS) is an established model of early life adversity that mimics stressful conditions experienced by newborn and infants. NMS disrupts brain development and as adults, individuals show sex‐dependent abnormal neuroendocrine response, predisposing them to physiological/psychological disorders. Concerning the neural control of respiration, studies in rats revealed that NMS causes respiratory instability and increased levels of corticosterone that remained during adulthood. Moreover, increased ventilatory response to hypoxia (HVR) but decreased to hypercapnia (HcVR) was observed in male animals, while decreased HVR but increased HcVR was observed in female rats.