The following was taken from a lecture given by Dr. Joseph Murray in October, 1996. It was published by the Sprue-Nik Press (Published by the Tri-County Celiac Sprue Support Group, a chapter of CSA/USA, Inc. serving southeastern Michigan) Volume 5, Number 9, December 1996. Dr. Joseph Murray, one of the leading USA physicians in the diagnosis of celiac disease (celiac disease) and dermatitis herpetiformis (DH). Dr. Murray (email@example.com) of the Mayo Clinic Rochester, MN, is a gastroenterologist who specializes in treating Celiac disease:
A: Yes: IgA nephropathy, which is a common condition causing blood in the urine (possibly in microscopic amounts that would not be detected visually), may be caused by celiac disease. This may be similar to what happens in DH, where antibodies produced in the intestine get deposited under the skin. In IgA nephropathy, youve got IgA that was produced somewhere (we dont know where) getting deposited in the kidneys, causing secondary damage to the kidneys.