Y-Biologics Inc.

Jin Chui Youn

Young Woo Park

Soo Young Kim

Bum-chan Park

Jae Eun Park

Young-Gyu Cho

Jung Chae Lim

Hyun Mi Lee

Si Hyung Lee

Hye-Nan Kim

Hyun Kyung Lee

Disclosed are an antibody to human programmed cell death 1 (PD-1) or an antigen-binding fragment thereof, a nucleic acid encoding the same, a vector including the nucleic acid, an isolated cell transformed with the vector, a method for producing the antibody or an antigen-binding fragment thereof, and a composition for preventing or treating cancer containing the same. The novel antibody binding to PD-1 or an antigen-binding fragment thereof can bind to PD-1 and inhibit the activity of PD-1, thus being useful for the development of immunotherapeutic agents for various diseases associated with PD-1.

Antibody to programmed cell death 1 (PD-1) and use thereof

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Daejeon, South Korea

Jin Chui Youn