Corporate Identity

Y’s AC Co., Ltd. (Y’s AC) is an R&D biotechnology company established 8th October,2010, focusing on the development of novel solutions for cancers and intractable Immune disorders.Our innovation is based on robust jn vitro and in vivo data from three decades of work from our group focusing on CD26/Dipeptidyl peptidase 4, a molecule that plays a pivotal role in human immune system and the biological behavior of cancers.With important function of T cell biology and immune regulation,CD26 has a key role in the pathophysiology of such immune disorders as rheumatoid arthritis, systemic lupus erythematosus , multiple sclerosis and graft-versus-host disease. In addition, CD26 is expressed on various tumors including malignant pleulal mesothelioma, and is associated with cancer progression and metastasis. CD26 also acts as a regulator of the immune check point processes, able to mediate anti-tumor activity in both CD26-positive and CD26-negative neoplasms.A science-based company with the sole mission of alleviating human suffering through our products, Y’s AC aims to contribute to healthcare worldwide by developing innovative therapeutic agents for various human diseases based on our accumulated knowledge of CD26 biology.