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慢性疲労症候群は,原因不明の強い全身倦怠感を主訴として健全な社会生活が過ごせなくなる病態である。発症要因として,ウイルスなどの感染,内分泌や免疫機能異常などが報告されてきたが明確な病因は特定されておらず,診断に用いられるバイオマーカーは確立されていない。そこでわれわれは,メタボローム解析手法を用いて,診断に有効と考えられる代謝物質を同定した。これまでの疲労研究における知見とともにその内容を概説する。
Abstract
Chronic fatigue syndrome (CFS) is a persistent and unexplained pathological state characterized by exertional and severely debilitating fatigue, with/without symptoms of infection or neuropsychiatric symptoms, and with a minimum duration of 6 consecutive months. The pathogenesis of CFS is not fully understood. There are no firmly established diagnostic biomarkers or treatment, due to incomplete understanding of the etiology of CFS and diagnostic uncertainty. We performed comprehensive metabolomic analyses of blood samples obtained from patients with CFS and healthy controls to establish an objective diagnosis of CFS. Here, we review previous findings concerning the immune, endocrine, and metabolic system in animal models for CFS and the patients, and present our results which may contribute to the development of a diagnostic biomarker for CFS.
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