نتایج جستجو برای: chronic stress
تعداد نتایج: 907941 فیلتر نتایج به سال:
BACKGROUND Major depression is associated with several alterations, including reduced neuronal plasticity and impaired synaptic function, which represent an important target of pharmacological intervention. METHODS In the present study, we have investigated the ability of the antipsychotic drug lurasidone to modulate behavioral and neuroplastic alterations in the chronic mild stress model of ...
The effect of chronic nicotine treatment on chronic psychosocial stress-induced impairment of short-term memory and long-term potentiation (LTP) was determined. An "intruder" stress model was used to induce psychosocial stress for 4-6 wk, during which rats were injected with saline or nicotine (1 mg/kg s.c.) twice a day. The radial arm water maze memory task was used to test hippocampus-depende...
Introduction: Resistin is a peptide hormone, secreted by adipose tissue. Increased secretion of resistin results in insulin resistance and metabolic syndrome. The aim of this study was to determine the effect of hydro-alcoholic spinach (Spinacia oleraceae L.) extract on the expression of resistin mRNA in the visceral adipose tissue of rats exposed to chronic immobilization stress. Materials and...
BACKGROUND Major depression, persistent low mood, is one of common psychiatric diseases. Chronic stressful life is believed to be a major risk factor that leads to dysfunctions of the limbic system. However, a large number of the individuals with experiencing chronic stress do not suffer from major depression, called as resilience. Endogenous mechanisms underlying neuronal invulnerability to ch...
BACKGROUND Multiple neuropsychiatric disorders, e.g., depression, are linked to imbalances in excitatory and inhibitory neurotransmission and prefrontal cortical dysfunction, and are concomitant with chronic stress. METHODS We used electrophysiologic (n = 5-6 animals, 21-25 cells/group), neuroanatomic (n = 6-8/group), and behavioral (n = 12/group) techniques to test the hypothesis that chroni...
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