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Mitochondrial function in patients affected with fibromyalgia syndrome is impaired and correlates with disease severity
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Mitochondrial function in patients affected with fibromyalgia syndrome is impaired and correlates with disease severity
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Journal Article
Mitochondrial function in patients affected with fibromyalgia syndrome is impaired and correlates with disease severity
2024
Overview
Fibromyalgia is a musculoskeletal syndrome characterized by chronic widespread pain that is often associated with systemic manifestations. Since mitochondria are the main source of cellular energy, we hypothesized that fibromyalgia syndrome (FMS) could be linked to mitochondrial impairment. Aim was to study mitochondrial dysfunction in peripheral blood mononuclear cells isolated from 50 patients with primary FMS and 20 apparently healthy controls. Although no differences in mitochondrial basal respiration were observed between patients with primary FMS and healthy controls, a lower median bioenergetic health index (BHI; − 22.1%, p = 0.03), a proxy of mitochondrial function, was found in patients. According to fibromyalgia severity score (FSS), a composite of widespread pain index and symptom severity scale, a lower median BHI (− 18.7%) was found in patients with a FSS ≥ 20 compared to those with a FSS < 20. Negative moderate correlations were found only between BHI and FSS (r = − 0.36) and widespread pain index (r = − 0.38). We demonstrated that patients with FMS had an impaired mitochondrial function. Additionally, we found a mild correlation between the widespread pain index and the BHI, possibly indicating that the altered mitochondrial function, in these patients, narrows musculoskeletal rather than central nervous system involvement.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 692/53
/ Female
/ Humanities and Social Sciences
/ Humans
/ Male
/ Pain
/ Peripheral blood mononuclear cells
/ Science
/ Smoking
