Panminerva medica · 2001
Plasma levels of endothelin-1 increase in patients with sarcoidosis and fall after disease remission.
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Letizia C, Danese A, Reale M G, Caliumi C, Delfini E, Subioli S, Cerci S, D'Erasmo E
Аннотация
BACKGROUND: Sarcoidosis is a chronic systemic disease, characterized by an imbalance of immunity processes and the presence of granuloma. Endothelin-1, a new vasoactive and bronchoconstrictive peptide, is a powerful mitogen for smooth muscle cells and fibroblasts and plays a role in the inflammation state. We postulate that endothelin-1 has a role in sarcoidosis.
METHODS: We studied the behaviour of circulating levels of endothelin-1 in 20 patients with sarcoidosis and its correlation with some biochemical parameters of activity disease, such as erythrocyte sedimentation rate (ESR) and serum angiotensin-converting enzyme (SACE). We measured serum levels of ESR, SACE, calcium and plasma endothelin-1 levels in all patients at the beginning of the study and one again in 9 patients with clinical-biochemical remission of disease after steroid treatment.
RESULTS: In patients with sarcoidosis, circulating levels of endothelin-1, SACE and ESR were significantly higher (p<0.001) than those of healthy subjects. Moreover, in patients with pulmonary involvement, there was a significant statistical difference (p<0.001) between endothelin-1 levels and radiological stage compared to normal subjects. In the 9 patients with remission of disease, both endothelin-1 levels and parameters of activity disease normalized.
CONCLUSIONS: Our results seem to suggest that the increase of plasma endothelin-1 levels in active sarcoidosis can represent an expression of the endothelial dysfunction and reflect the picture of cellular activation.
METHODS: We studied the behaviour of circulating levels of endothelin-1 in 20 patients with sarcoidosis and its correlation with some biochemical parameters of activity disease, such as erythrocyte sedimentation rate (ESR) and serum angiotensin-converting enzyme (SACE). We measured serum levels of ESR, SACE, calcium and plasma endothelin-1 levels in all patients at the beginning of the study and one again in 9 patients with clinical-biochemical remission of disease after steroid treatment.
RESULTS: In patients with sarcoidosis, circulating levels of endothelin-1, SACE and ESR were significantly higher (p<0.001) than those of healthy subjects. Moreover, in patients with pulmonary involvement, there was a significant statistical difference (p<0.001) between endothelin-1 levels and radiological stage compared to normal subjects. In the 9 patients with remission of disease, both endothelin-1 levels and parameters of activity disease normalized.
CONCLUSIONS: Our results seem to suggest that the increase of plasma endothelin-1 levels in active sarcoidosis can represent an expression of the endothelial dysfunction and reflect the picture of cellular activation.