Mitochondrial dysfunction in skin biopsies and blood mononuclear cells from two cases of fibromyalgia patients.

Abstract:

OBJECTIVES:Coenzyme Q(10) (CoQ(10)) is an essential electron carrier in the mitochondrial respiratory chain and a strong antioxidant. Signs associated with skin alteration and mitochondrial dysfunction have been observed in patients with fibromyalgia (FM). The aim of this study was to analyze CoQ(10) levels, mitochondrial dysfunction, and oxidative stress in plasma, blood mononuclear cells, and skin biopsies from FM patients. METHODS:We studied CoQ(10) level by HPLC in plasma, blood mononuclear cells, and skin obtained from patients with FM and healthy control subjects. Oxidative stress markers and mitochondrial respiratory chain enzyme activities were analysed in both plasma, blood mononuclear cells, and skin biopsies from FM patients. RESULTS:Oxidative stress, mitochondrial dysfunction, and CoQ(10) deficiency have been observed in blood mononuclear cells and skin biopsies. CONCLUSIONS:In our patients, mitochondrial dysfunction and CoQ(10) deficiency are present in several tissues. These results may contribute to the understanding of the pathophysiology of FM, and, moreover, CoQ(10) deficiency could represent a good marker for the diagnosis of FM.

journal_name

Clin Biochem

journal_title

Clinical biochemistry

authors

Cordero MD,Moreno-Fernández AM,Carmona-López MI,Sánchez-Alcázar JA,Rodríguez AF,Navas P,de Miguel M

doi

10.1016/j.clinbiochem.2010.06.013

subject

Has Abstract

pub_date

2010-09-01 00:00:00

pages

1174-6

issue

13-14

eissn

0009-9120

issn

1873-2933

pii

S0009-9120(10)00301-2

journal_volume

43

pub_type

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