Ochratoxin A in human kidney diseases

Ochratoxin A (OTA) is an ubiquitous nephrotoxic and carcinogenic mycotoxin considered to be involved in the aetiology of Balkan endemic nephropathy (BEN). The occurrence of this human fatal disease that appears in regions of Bosnia and Herzegovina, Bulgaria, Croatia, Rumania, and Serbia and Monte Negro correlates with very high incidence of otherwise rare urothelial tumours of the renal pelvis and ureters. Although OTA was found more frequently and/or in higher concentration in food and blood of inhabitants in regions with BEN than in other regions, the involvement of OTA in the development of BEN is still open. Patients with chronic renal insufficiency treated with dialysis have higher blood OTA concentrations than healthy persons, and OTA concentration does not decrease with such treatment.

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