- Recombinant glycodelin carrying the same type of glycan structures as contraceptive glycodelin-A can be produced in human kidney 293 cells but not in chinese hamster ovary cells. Van den Nieuwenhof, I.M., Koistinen, H., Easton, R.L., Koistinen, R., Kämäräinen, M., Morris, H.R., Van Die, I., Seppälä, M., Dell, A., Van den Eijnden, D.H. Eur. J. Biochem. (2000)