If I isolate fresh CD14⁺ monocytes for M1/M2 macrophage generation, can I culture them for a period of time before differentiation?
Freshly isolated CD14⁺ monocytes should be seeded immediately into Monocyte Attachment Medium after isolation.
Adding an intermediate culture step before the attachment and differentiation phase is strongly discouraged, because monocytes change their biological characteristics very rapidly in vitro.
To ensure controlled and reproducible macrophage differentiation, freshly isolated CD14⁺ monocytes should therefore be used immediately, without prior cultivation.
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