Tamm-Horsfall protein excretion and its relation to citrate in urine of stone-forming patients.

Abstract

OBJECTIVES To evaluate the relation of Tamm-Horsfall protein (THP) and citrate, both potent actors in the urinary stone forming process. METHODS Quantitative determination of THP in calcium oxalate (CaOx) stone-forming patients and healthy subjects was carried out according to the enzyme-linked immunosorbent assay method. RESULTS THP excretion in 24-hour urine samples of CaOx stone-forming patients was significantly reduced compared with healthy subjects. A significant correlation exists between the concentration of THP and citrate in the stone-forming group, as well as in the group of healthy subjects, and for the 24-hour excretion, this correlation persists in the group of CaOx stone-forming patients. CONCLUSIONS Decreased THP and citrate excretions were found in CaOx stone-forming patients. They indicate a tubular dysfunction of the distal section.

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@article{Ganter1999TammHorsfallPE, title={Tamm-Horsfall protein excretion and its relation to citrate in urine of stone-forming patients.}, author={K. Ganter and Daniel Bongartz and Albrecht Hesse}, journal={Urology}, year={1999}, volume={53 3}, pages={492-5} }