December 6, 2023
In the world of biopharmaceuticals and bioprocessing, ensuring the quality, safety, and efficacy of biotherapeutic products is of paramount importance. Host cell proteins (HCPs) are a critical component to consider in this context. HCPs are proteins of the host cells, typically microbial, insect or mammalian, used in the manufacturing of biologics, such as monoclonal antibodies, recombinant proteins, and vaccines. These HCPs originate from a variety of cellular sources, including the cell membrane, cytoplasm, nucleus, mitochondria, and other cellular compartments.