Flow Cytometry: Cells fixed in 4% formaldehyde and permeabilized with 90% methanol. Programmed death receptor ligand 1 (PD-L1, also called B7-H1) is a recently described B7 family member. To date, one specific receptor has been identified that can be lig
Flow Cytometry: Cells fixed in 4% formaldehyde and permeabilized with 90% methanol. Programmed death receptor ligand 1 (PD-L1, also called B7-H1) is a recently described B7 family member. To date, one specific receptor has been identified that can be lig
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