sFlt-1 in Chronic Kidney Disease: Friend or Foe?

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Abstract

Placental growth factor (PlGF) and its receptor, fms-like tyrosine kinase-1 (Flt-1), are important regulators involved in angiogenesis, atherogenesis, and inflammation. This review article focuses on the function of PlGF/Flt-1 signaling and its regulation by soluble Flt-1 (sFlt-1) in chronic kidney disease (CKD). Elevation of circulating sFlt-1 and downregulation of sFlt-1 in the vascular endothelium by uremic toxins and oxidative stress both exacerbate heart failure and atherosclerosis. Circulating sFlt-1 is inconsistent with sFlt-1 synthesis, because levels of matrix-bound sFlt-1 are much higher than those of circulating sFlt-1, as verified by a heparin loading test, and are drastically reduced in CKD.

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Matsui, M., Onoue, K., & Saito, Y. (2022, November 1). sFlt-1 in Chronic Kidney Disease: Friend or Foe? International Journal of Molecular Sciences. MDPI. https://doi.org/10.3390/ijms232214187

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