By the end of 2005, 25 genes had been associated with asthma in six or more separate populations, including GSTM1, IL10, CTLA-4, SPINK5, LTC4S, IL4R and ADAM33, among others.
Ved udgangen af 2005 er 25 gener sat i forbindelse med astmas i seks eller flere forskellige populationer, deriblandt:GSTM1, IL10,CTLA-4, SPINK5,LTC4S, IL4R og ADAM33.