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Profibrogenic cytokines and intrarenal blood flow in patients with systemic lupus erythematosus with secondary antiphospholipid syndrome

Abstract

In order to study profibrogenic cytokines – monocyte chemotactic protein-1 (MCP-1), transforming growth factor (TGF-β1) and type IV collagen in urine, the parameters of intrarenal hemodynamics in patients with systemic lupus erythematosus (SLE) in the presence of a secondary antiphospholipid syndrome (APS) 91 patient with SLE have been examined. APS was found in 27 of them. The content of MCP-1 in serum and urine, TGF-β1 and type IV collagen in urine were measured by ELISA using commercial kits. Intrarenal hemodynamic study was performed by an ultrasound scan of the arteries with a Toshiba apparatus. In SLE patients with APS we observed higher levels of fibrosis markers: TGF-β1 and type IV collagen in urine and lower levels of inflammation and cytokine fibrosis (estimated by MCP-1) compared to SLE patients without APS. A statistically significant correlation of collagen type IV in urine with the presence of APS was found. Intrarenal blood flow in segmental and parenchymal vessels in patients with APS was characterized by lower blood speed, its unevenness, increased or decreased vascular resistance. There is significant correlation between blood flow velocity and vascular resistance vs . blood creatinine levels, GFR, and type IV collagen in urine.

About the Authors

K. A. Nagornova
ГОУ ВПО «Оренбургская государственная медицинская академия Минздравсоцразвития»
Russian Federation


O. V. Bugrova
ГОУ ВПО «Оренбургская государственная медицинская академия Минздравсоцразвития»
Russian Federation


E. N. Stolyarova
ГУЗ Оренбургская областная клиническая больница
Russian Federation


N. A. Ovchinnikova
ООО «Клиника промышленной медицины Оренбурггазпром», г. Оренбург
Russian Federation


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Review

For citations:


Nagornova K.A., Bugrova O.V., Stolyarova E.N., Ovchinnikova N.A. Profibrogenic cytokines and intrarenal blood flow in patients with systemic lupus erythematosus with secondary antiphospholipid syndrome. Nephrology and Dialysis. 2011;13(4):425-431. (In Russ.)

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