Tn Use of Sialyl Tn Antigen Related to Pregnancy

摘要

The present invention relates to a composition for preventing or treating any of infertility or ovulation comprising a sialylated Tn sugar chain antigen or an antigen as an active ingredient. In addition, the present invention relates to a pharmaceutical composition for parenteral administration, which comprises an inhibitor of sialylated Tn glycoprotein antigen or an inhibitor of the expression or activity of an enzyme synthesizing said antigen. In addition, the present invention relates to a marker composition for measuring the pregnancy possibility or the pregnancy efficiency containing a sialylated Tn sugar chain antigen. The present invention also relates to a method for screening an infertility or disability treatment agent or a contraceptive agent using a sialylated Tn sugar chain.;