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I differentiated M1 macrophages from self-sourced PBMCs following your differentiating protocol. In the final cell culture, I can see small cells attached to the macrophages which are CD3+ (T-cells). What is the reason for the T-cell contamination after the differentiation?

The reason for the higher number of lymphocytes in the macrophage culture is probably due to an insufficient washing step during the purification of the monocyte via adherence. The 3 washing steps in our protocol are essential to receive a monocyte population of over 90%.

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CID-100645

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