Breath of Fresh Air in Vasculitis Research (image) University of Tsukuba Share Print E-Mail Caption MUC5B risk allele carrier frequency in ANCA-associated vasculitis (AAV) with and without interstitial lung disease (ILD) as well as in healthy controls in the Japanese population. Because none of the patients and controls were homozygous for the risk allele, allele carrier frequency is equal to the frequency of heterozygous individuals. Credit University of Tsukuba Usage Restrictions Unauthorized use is prohibited Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.