- Toll-like receptor 6 gene (TLR6): single-nucleotide polymorphism frequencies and preliminary association with the diagnosis of asthma. Tantisira, K., Klimecki, W.T., Lazarus, R., Palmer, L.J., Raby, B.A., Kwiatkowski, D.J., Silverman, E., Vercelli, D., Martinez, F.D., Weiss, S.T. Genes Immun. (2004)