Rekombinantti hyytymistekijä IX on glykoproteiini, jota saadaan erittymään CHO - soluista (Chinese Hamster Ovarian) niitä geneettisesti muuntamalla. ###>Recombinant coagulation factor IX is a glycoprotein that is secreted by genetically engineered mammalian cells derived from a Chinese hamster ovary (CHO) cell line.