xanthinuria造句

• Type I xanthinuria has been traced directly to mutations of the " XDH " gene which mediates xanthine oxidase activity.
• The computer is evolving into a source of consolation and companionship for millions of Americans, in online support groups for everything from arthritis to xanthinuria.
• Xanthinuria is a rare genetic disorder where the lack of xanthine oxidase leads to high concentration of xanthine in blood and can cause health problems such as renal failure.
• Type II xanthinuria may result from a failure of the mechanism which inserts sulfur into the active sites of xanthine oxidase and aldehyde oxidase, a related enzyme with some overlapping activities ( such as conversion of allopurinol to oxypurinol ).