Translational glycobiology

Translational glycobiology or applied glycobiology is the branch of glycobiology and glycochemistry that focuses on developing new pharmaceuticals through glycomics and glycoengineering. Research in the field aims to use therapeutic glycoconjugates for preventing transplant rejection, treating various bone diseases, and developing therapeutic cancer vaccines and other targeted therapies.

Since glycoconjugates play an important role in intercellular interactions, they serve as viable drug targets. Multiple current therapeutics target these interactions, and there is ongoing research and development to produce additional ones.

These interactions can be controlled by encouraging or inhibiting the presence of those glycans that mediate them, which is the mechanism of action for a number of extant drugs, including heparin, erythropoietin, the antivirals oseltamivir and zanamivir, and the Hib vaccine.

By modifying CD44 antigens using glycosyltransferase-programmed stereosubstitution (GPS), the HCELL expression on the surfaces of human mesenchymal stem cells and hematopoietic stem cells can be enforced, effectively homing those cells to the bone marrow of their host. Once mesenchymal stem cells transmigrate through the bone marrow endothelium, they differentiate into osteoblasts and begin contributing to bone formation. This technique has been proposed as a potential treatment for numerous bone diseases, including osteogenesis imperfecta.

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