DOI:10.1126/science.adg0564 B cells, or B lymphocytes, are a crucial component of the adaptive immune system andhumoral immunity. They originate from the bone marrow and mature in secondary lymphoid organs, such as the spleen and lymph nodes. The B ce

Case 1: Tag-Free Vaccine Protein. During the generation of stable cell lines, cells are selected and screened to identify clones that stably express the protein of interest at desired levels. This case study illustrates the successful generation of a tag-free vaccine protein.