| Summary: | Urolithiasis is a multifactorial disease with a high incidence and high recurrence rate, characterized by formation of solid deposits in the urinary tract. The most common type of these stones are calcium oxalate stones. Calcium oxalate crystals can, in hyperoxaluric states, interact with renal epithelial cells, causing injury to the renal epithelia. Pathogenesis of urolithiasis is widely investigated, but underlying mechanisms are still not completely clarified. In vitro models offer insight into molecular processes which lead to renal stone formation and are significant for evaluation of prophylactic and therapeutic management of patients with urolithiasis. In this review, we summarize recently published data from in vitro studies investigating interactions of calcium oxalate crystals with renal epithelial cell lines, anti-urolithiatic mechanisms, and the results from studies exploring possible therapeutic and prophylactic options for calcium oxalate urolithiasis in cell cultures.
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