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Review Article
Mechanisms of Disease
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Volume 339:1448-1456 November 12, 1998 Number 20
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Pathophysiology of Progressive Nephropathies
Giuseppe Remuzzi, M.D., and Tullio Bertani, M.D.

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In patients with renal diseases characterized by proteinuria, the initial insult to the kidney is usually followed by a progressive decline in the glomerular filtration rate. This decline has been thought to be due to changes in renal hemodynamics initiated by the loss of nephrons.1 When renal mass is reduced in rats, the remaining nephrons undergo sudden hypertrophy, with a concomitant lowering of arteriolar resistance and an increase in glomerular plasma flow.2,3 Afferent arteriolar tone decreases more than efferent arteriolar tone, and therefore, the hydraulic pressure in glomerular capillaries rises4 and the amount of filtrate formed by each nephron increases. . . . [Full Text of this Article]

Activation of Local Hormones and Inflammatory Chemokines by Filtered Protein

Evidence from Animal Studies

Evidence from Animal Models of Human Diseases

Limiting Protein Filtration

Protein-Dependent Interstitial Inflammation in Nephropathies

Ratio of Urinary Protein to Creatinine as a Predictor of End-Stage Renal Disease

Effect of Reducing Protein Excretion on the Decline in the Glomerular Filtration Rate

Role of Blood-Pressure Reduction

Conclusions


Source Information

From the Mario Negri Institute for Pharmacological Research and the Nephrology Unit, Ospedali Riuniti di Bergamo — both in Bergamo, Italy.

Address reprint requests to Dr. Remuzzi at the Mario Negri Institute for Pharmacological Research, Via Gavazzeni 11, 24125 Bergamo, Italy.

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