TULP2 and Infertility: Furthermore, by the analysis of Tulp2 gene sequence on blood samples that we collected from 300 unrelated infertile men with dyszoospermia, we identified 13 cases of heterozygote (c.832C > T [p.Arg278Trp]) mutations, 2 cases of heterozygote (c.871A > G [p.Thr291Ala]) mutations, and 2 cases of heterozygote (c.829C > A [p.Leu277Met]) mutations.