brosiusFrank C. Brosius III, M.D.

Professor of Internal Medicine and Molecular and Integrative Physiology

Division Chief of Nephrology

Protecting Kidney Cells from Diabetic Disease

Diabetes is an equal opportunity disease. Left untreated, it will destroy virtually every organ in the human body. In the kidney, specialized blood vessels called glomeruli are especially vulnerable to damage from high blood glucose levels. If too many of these filtering units are damaged, the result is diabetic kidney disease, also called diabetic nephropathy.

Without treatment, many patients with diabetic nephropathy develop progressive chronic kidney disease as the kidneys slowly lose their ability to filter toxic waste products and excess water from the bloodstream. Ultimately this often results in end-stage kidney disease in which patients need kidney dialysis or an organ transplant to stay alive.

Frank Brosius is trying to determine exactly how elevated blood glucose and other diabetes-associated abnormalities damage kidney cells. Using laboratory mice and molecular information from patients with diabetic nephropathy, he is trying to understand on a molecular and systematic level how diabetes harms the kidneys. He is also searching for early warning signs of the disease and better ways to treat it. The major goal is to develop and test prevention and treatment strategies that could be quickly utilized in clinical trials on patients with, or at risk of, diabetic kidney disease.

Brosius also hopes his research will lead to new diagnostic urine or blood tests capable of detecting early biochemical markers of the disease. These tests could help physicians prevent serious kidney damage by diagnosing nephropathy at an earlier stage when it can be more effectively treated.

 


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