Alternative titles and symbols : L-xylulose reductase deficiency; L-XYLULOSURIA; Xylitol dehydrogenase deficiency;
Description : Essential pentosuria is an inborn error of metabolism in which 1 to 4 gm of the pentose
L-xylulose is excreted in the urine each day. It is a benign condition that occurs
principally in Jews (summary by Hiatt, 2001). L-xylulose reductase is encoded by the
DCXR gene (608347) on chromosome 17.;
Inheritance : Autosomal recessive;
Molecular basis : Caused by mutation in the dicarbonyl/L-xylulose reductase gene (DCXR, 608347.0001);
Laboratory abnormalities : Increased urinary excretion of L-xylulose;