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Interleukin 6 (IL-6) plays an important role in stress response and glucocorticoid action on the brain. It has been also shown that IL-6 plays a significant role in physiological and pathological brain development and is a crucial factor in the effects of prenatal immune challenge on physiological and behavioral abnormalities in adult offspring. We examined involvement of IL-6 in stressinduced changes...
Postmortem studies of depressed patients showed that one of the most consistent findings is a decrease in the density of glial cells in human brain cortical regions, especially in the prefrontal and cingular areas. Furthermore, a decline in the number of astrocytes in the prefrontal cortex was found in rats after chronic unpredictable stress – one of the generally accepted animal models of depression...
Pregnant Wistar rats received 50 ppm of zinc (ZnSO4 • 7H2O) in their drinking water for the entire duration of pregnancy. On the day of delivery zinc was removed from the drinking water. Another group, dams, received 50 ppm of zinc in drinking water during the suckling period (from delivery until the 21st day of postnatal life). Their offspring were weaned on the 21st day, at which time zinc was removed...
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