You-Seok Koh

Title: You-Seok Koh: Innovator in Biopharmaceuticals

Introduction

You-Seok Koh is a prominent inventor based in Seoul, South Korea. He has made significant contributions to the field of biopharmaceuticals, particularly through his innovative research on proteins derived from snake venom. With a total of 2 patents, Koh's work has the potential to impact medical treatments significantly.

Latest Patents

Koh's latest patents include groundbreaking inventions related to Saxatilin and a novel cDNA of direct-acting fibrinolytic serine protease, known as Salmonase. The first patent focuses on Saxatilin, a protein extracted from the venom of a Korean snake. This invention details a process for preparing Saxatilin and its pharmaceutical applications as an anti-platelet aggregation agent and anti-tumor agent. The research highlights the purification of Saxatilin from venom, cloning its cDNA, and preparing recombinant Saxatilin through microbial culture. The findings indicate that Saxatilin effectively suppresses platelet aggregation and tumor cell angiogenesis, paving the way for its use as an active ingredient in therapeutic agents.

The second patent pertains to the cDNA of direct-acting fibrinolytic serine protease, derived from the Korean viper, Agkistrodon halys brevicaudus. This invention describes a cDNA containing 699 nucleotides that code for 233 amino acids. The resulting Salmonase consists of two subunits, which can be expressed in various systems, including recombinant E. coli and yeast. The recombinant Salmonase has promising applications as an active ingredient in thrombolytic and hemostatic agents.

Career Highlights

Throughout his career, You-Seok Koh has worked with various research institutions, contributing to advancements in biopharmaceuticals. His innovative research has garnered attention in the scientific community, showcasing his expertise in protein engineering and therapeutic applications.

Collaborations

Koh has collaborated with notable colleagues, including Kwang-Hoe Chung and Doo-Sik Kim. These partnerships have further enhanced his research capabilities and contributed to the successful development of his patented inventions.

Conclusion

You-Seok Koh's contributions to the field of biopharmaceuticals through his innovative patents demonstrate his commitment to advancing medical science. His work on Saxatilin and Salmonase highlights the potential of snake venom-derived proteins in therapeutic applications.