Our prediction of the relationship between Tingal1 and metastasis was validated. Y-h. Taguchi, Depertment of Physic, Chuo Uinv. Tokyo, japan 17 November 2015 Dear Readers, I am the corresponding author of this paper. Recently, our prediction of the relationship between Tingal1 and metastasis was validated indirectly, but experimentally. Takahashi et al  reported that Tingal1 plays potential roles for fertility. The authors suggestd that our findings of the relationship bwteen metastasi and Tingal1 indirectlty supprted their findings. For more details, read their paper. Yours, tag  Takahashi et al, Impaired female fertility in tubulointerstitial antigen-like 1-deficient mice, J Reprod Dev. (2015) [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/26522507 Competing interests I am the corresponding author of this article.