Oxalate Synthesis, Transport and the Hyperoxaluric Syndromes

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Abstract
This article reviews the mechanisms involved in the synthesis, absorption, excretion and transport of oxalic acid, and the factors controlling these processes in man. The clinical syndromes associated with hyperoxaluria and recurrent calcium oxalate stone disease are reviewed, including new studies that raise the possibility of a generalized oxalate transport abnormality in some patients with renal stone disease. The important role of oxalate in the determination of calcium oxalate solubility in patients with calcium oxalate stone disease is emphasized and future directions for research in the prevention of recurrent calcium oxalate stone disease are discussed.