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Pre-test metyrapone impairs memory recall in fear conditioning tasks: lack of interaction with I--adrenergic activity
(Frontiers Research Foundation, 2015-03-03)
Cognitive processes, such as learning and memory, are essential for our adaptation to environmental changes and consequently for survival. Numerous studies indicate that hormones secreted during stressful situations, such ...
Dehydroepiandrosterone and metyrapone partially restore the adaptive humoral and cellular immune response in endotoxin immunosuppressed mice
(Sage Publications, 2013-09)
Prior exposure to endotoxins renders the host temporarily refractory to subsequent endotoxin challenge (endotoxin tolerance). Clinically, this state has also been pointed out as the initial cause of the non-specific humoral ...
Evidence that metyrapone in the presence of inflammation modulates cytokine mRNA expression
(Elsevier B.V., 2010-12-01)
Objective: Metyrapone (MT) has been used clinically to decrease glucocorticoid levels in human and animal studies. However, the potential effects of MT in the presence of inflammation are poorly understood. Thus, the aim ...
Acute hypercortisolemia inhibits innate immune parameters in Piaractus mesopotamicus experimentally infected with Aeromonas hydrophila
(2020-06-30)
Cortisol is a key modulator of the immune response in fish, and considered an essential molecule for adaptation of animals to stress and overcoming the stressor. Antagonist effects, pro and anti-inflammatory have been ...
Effectiveness of Medical Treatment of Cushing’s Disease: A Systematic Review and Meta-Analysis
(2021-09-17)
Objective: The objective of this systematic review was to evaluate the effectiveness and safety of pasireotide, cabergoline, ketoconazole, levoketoconazole, metyrapone, osilodrostat, and temozolomide for the treatment of ...
Dietary metyrapone blocks cortisol synthesis in pacu, Piaractus mesopotamicus (Holmberg, 1887), stressed by air exposure
(Wiley-Blackwell, 2015-12-01)
Tested was the efficiency of dietary metyrapone (MTP) in the inhibition of cortisol biosynthesis, as a tool to elucidate the effects of this hormone in the tropical fish pacu (Piaractus mesopotamicus H.) during ...
Risk assessment behaviors associated with corticosterone trigger the defense reaction to social isolation in rats: Role of the anterior cingulate cortex
(INFORMA HEALTHCARELONDON, 2013-08-02)
The extent to which the hypothalamic-pituitary-adrenal axis is activated by short-term and long-term consequences of stress is still open to investigation. This study aimed to determine (i) the correlation between plasma ...
Short-term sleep deprivation reinstates memory retrieval in mice: the role of corticosterone secretion
(Elsevier B.V., 2013-10-01)
While the effects of sleep deprivation (SD) on the acquisition and consolidation phases of memory have been extensively characterized, its effects on memory retrieval remain overlooked. SD alone is a stressor, and ...
Evidence that metyrapone in the presence of inflammation modulates cytokine mRNA expression
(Academic Press Ltd- Elsevier Science LtdLondonInglaterra, 2010)