A research group aimed to investigate the shared genetic architecture and causal relationships between Hunner interstitial cystitis (HIC) and autoimmune diseases (ADs) in terms of genetic bases for their comorbidity. The study, published in Frontiers in Immunology, comprised a genome-wide cross-trait study (GWAS) with approximately 170,000 individuals of east Asian ancestry to investigate the shared architecture between HIC and ADs. The ADs included were atopic dermatitis, autoimmune hepatitis, allergic rhinitis, asthma, contact dermatitis, Graves’ disease, ...