期刊
EXPERIMENTAL BIOLOGY AND MEDICINE
卷 233, 期 9, 页码 1171-1180出版社
SAGE PUBLICATIONS LTD
DOI: 10.3181/0712-RM-328
关键词
fibromyalgia; chemokine; MCP-1; eotaxin; myoblasts
资金
- Los Angeles Fibromyalgia Foundation (USA)
- NIH (USA) [M01 RR00043]
- NATIONAL CENTER FOR RESEARCH RESOURCES [M01RR000043] Funding Source: NIH RePORTER
Fibromyalgia (FMS), a predominantly female (85%) syndrome, affects an estimated 2% of the US population with skeletal muscle ache, fatigue, headache, and sleep disorder. The pathogenesis of FMS is unknown and there is no laboratory test for diagnosis. In this study, plasma levels of 25 cytokines and chemokines in 92 female patients with FMS and 69 family members were measured compared to 77 controls. Transendothelial migration of normal leukocytes in response to FMS plasma and the cytokine profile of human myoblasts were analyzed. High levels of MCP-1 (P<0.001) and eotaxin (P<0.01) were found in patients and family members compared to controls. Patients (56/92) treated with the single agent guaifenesin (>3 months) had higher levels of eotaxin than those not treated (P < 0.01). Diluted plasma from patients increased the migration of normal eosinophils and monocytes, but not neutrophils, through an endothelial/Matrigel barrier only when mast cells are included in the lower wells (P < 0.05). Furthermore, myoblasts can secrete MCP-1, eotaxin, and IP-10, while treatment with MCP-1 caused secretion of IL-1 beta, eotaxin and IP-10. FMS is associated with inflammatory chemokines, that MCP-1 and eotaxin may contribute to the symptoms of FMS, and that similar cytokine profiles found in family members support the idea that FMS has a genetic component. Furthermore, the chemokine profile associated with FMS has direct effects on the migration of eosinophils and monocytes in the presence of mast cells, and skeletal muscle itself may secrete cytokines associated with FMS.
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