نتایج جستجو برای: hpa
تعداد نتایج: 6246 فیلتر نتایج به سال:
introduction: different mechanisms are involved in stress induced analgesia (sia) and hyperalgesia (sih). repeated stress induces development of tolerance to sia. the role of hpa axis and gs signaling pathway in these effects are investigated in the current study. methods: forced swim stress (5 min/day) in water (20±1 ºc) was employed to adult male wistar rats (200-250 g). the nociceptive thres...
objective(s) the mechanism(s) by which antidepressants regulate the hypothalamic-pituitary-adrenal (hpa) axis remain elusive. the endocannabinoid system (ecbs) which exhibits antidepressant potential, appears to regulate the hpa axis activity. therefore, we aimed to investigate the role of the ecbs in the action of doxepin including its effect on the hpa axis. materials and methods male wistar ...
deep-seated fungal infection present with non specific symptoms and involove a large number of different organisms. dna-based technology offers for eariler detection of fungal pathogens and then earlier initiation of antifungal therapy. in this study universal primers common to almost all fungi were used to amplification of internal transcribe spacer 1 and 2 region. subsequent restriction enzym...
Platelets share antigens with other cells such as ABH and HLA class I antigens, but also express specific antigens. Platelet specific antigens are identified according to a nomenclature devised by the International Society of Blood Transfusion and are referred to as Human Platelet Antigens (HPA). These include glycoproteins expressed on platelet surfaces such as GPIIb/IIIa, the von Willebrand f...
BACKGROUND Genome characterization of the model PCB-degrading bacterium Burkholderia xenovorans LB400 revealed the presence of eleven central pathways for aromatic compounds degradation, among them, the homogentisate and the homoprotocatechuate pathways. However, the functionality of these central pathways in strain LB400 has not been assessed and related peripheral pathways has not been descri...
HIV infection induces hypothalamic-pituitary-adrenal (HPA) axis derangements. Partial glucocorticoid resistance has been observed in a subset of AIDS patients, possibly owing to HIV-induced altered cytokine secretion and action. Because glucocorticoids have immunomodulatory effects, the severity of the HPA axis disorder could play a central role in disease progression. The characteristic phenot...
BACKGROUND Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is thought to be associated with more mood symptoms and worse cognitive functioning. This study examined whether variation in HPA axis activity underlies the association between mood symptoms and cognitive functioning. METHODOLOGY/PRINCIPAL FINDINGS In 65 bipolar patients cognitive functioning was measured in domains of...
OBJECTIVE To investigate the clinic values of combining test of serum matrix metalloproteinase 9 (MMP-9), acetyl heparinase (Hpa) and Cathepsin L (CL) in diagnosis of ovarian cancer. METHODS Serum levels of MMP-9, Hpa and CL were detected in a total of 418 cases, including 217 cases with ovarian malignant tumor, 100 cases with ovarian benign tumor and 101 healthy controls, by using enzyme-lin...
Endogenous glucocorticoids are secreted by the hypothalamic-pituitary-adrenal (HPA) axis in response to a wide range of stressors. Glucocorticoids exert significant downstream effects, including the regulation of many inflammatory genes. The HPA axis functions such that glucocorticoids are released in a pulsatile manner, producing ultradian rhythms in plasma glucocorticoid levels. It is becomin...
Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis has been implicated in a range of affective and stress-related disorders. The regulatory systems that control HPA activity are subject to modulation by environmental influences, and stressful life events or circumstances can promote subsequent HPA dysregulation. The brain is a major regulator of the HPA axis, and stress-induced plas...
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