1. Indoxyl sulfate, a circulating uremic toxin, stimulates the progression of glomerular sclerosis;Niwa;J Lab Clin Med,1994
2. Progression of glomerular sclerosis in experimental uremic rats by administration of indole, a precursor of indoxyl sulfate;Niwa;Am J Nephrol,1994
3. Indoxyl sulfate increases the gene expressions of TGF-β1, TIMP-1 and proα1(I) collagen in kidneys of uremic rats;Miyazaki;Kidney Int,1997
4. Indoxyl sulfate stimulates renal synthesis of transforming growth factor-β1 and progression of renal failure;Miyazaki;Kidney Int,1997
5. Organic acids and the uremic syndrome: protein metabolite hypothesis in the progression of chronic renal failure;Niwa;Semin Nephrol,1996