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An Etiological Model for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome 被引量:1
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作者 Leonard A. Jason Matthew Sorenson +1 位作者 nicole porter Natalie Belkairous 《Neuroscience & Medicine》 2011年第1期14-27,共14页
Kindling might represent a heuristic model for understanding the etiology of Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS). Kindling occurs when an organism is exposed repeatedly to an initially sub-thre... Kindling might represent a heuristic model for understanding the etiology of Myalgic Encephalomyelitis/chronic fatigue syndrome (ME/CFS). Kindling occurs when an organism is exposed repeatedly to an initially sub-threshold stimulus re-sulting in hypersensitivity and spontaneous seizure-like activity. Among patients with ME/CFS, chronically repeated low-intensity stimulation due to an infectious illness might cause kindling of the limbic-hypothalamic-pituitary axis. Kindling might also occur by high-intensity stimulation (e.g., brain trauma) of the limbic-hypothalamic-pituitary axis. Once this system is charged or kindled, it can sustain a high level of arousal with little or no external stimulus and eventually this could lead to hypocortisolism. Seizure activity may spread to adjacent structures of the limbic-hypothalamic-pituitary axis in the brain, which might be responsible for the varied symptoms that occur among patients with ME/CFS. In addition, kindling may also be responsible for high levels of oxidative stress, which has been found in patients with ME/CFS. 展开更多
关键词 Myalgic Encephalomyelitis/Chronic Fatigue Syndrome KINDLING Limbic-hypothalamic-pituitary Cxis
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The Production of Interleukin-8 is Increased in Plasma and Peripheral Blood Mononuclear Cells of Patients with Fatigue 被引量:1
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作者 Matthew Sorenson Leonard Jason +3 位作者 Athena Lerch nicole porter Jonna Peterson Herbert Mathews 《Neuroscience & Medicine》 2012年第1期47-53,共7页
Background and Objective: Previous research has speculated on the role of pro- and inflammatory immune mediators in the etiologic process of fatigue, with contrasting findings. The preponderance of the evidence suppor... Background and Objective: Previous research has speculated on the role of pro- and inflammatory immune mediators in the etiologic process of fatigue, with contrasting findings. The preponderance of the evidence supports the role of inflammatory mediators in the disease process of Chronic Fatigue Syndrome (CFS). The purpose of this study was to evaluate the production of interleukin (IL)-8 by peripheral blood mononuclear cells derived from individuals with chronic fatigue. A secondary objective was to determine if there was a significant relationship between IL-8 production and plasma cortisol level. Materials and Methodology: Data was collected from three groups, a sample of individuals with CFS (n = 15), a comparison sample of individuals with fatigue that did not meet criteria for CFS (n = 30) and a group of putatively health normative controls (n = 23). Peripheral blood was drawn and plasma samples derived. Peripheral blood mononuclear cells were stimulated with a mitogenic protocol and levels of IL8 in unstimulated and stimulated bulk supernatant determined. Results: Both fatigue groups displayed significantly higher levels of IL8 than the control group. The CFS group demonstrated higher levels of IL8 in plasma than the fatigue comparison group. Conclusion: The findings demonstrate a clear association between fatigue and IL8. The ability to identify an inflammatory marker in association with fatigue could provide a means of identifying those who may be at risk for the development of this disorder. 展开更多
关键词 CYTOKINES FATIGUE INTERLEUKIN PBMC
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