- Association of a haplotype (196Phe/532Ser) in the interleukin-1-receptor-associated kinase (IRAK1) gene with low radial bone mineral density in two independent populations. Ishida, R., Emi, M., Ezura, Y., Iwasaki, H., Yoshida, H., Suzuki, T., Hosoi, T., Inoue, S., Shiraki, M., Ito, H., Orimo, H. J. Bone Miner. Res. (2003)