Conceptual illustration of a natural killer (NK) cell (yellow) attacking a target cell (blue). NK cells are a type of white blood cell and a component of the immune system. They recognise certain proteins, or antigens, on virus-infected or tumour cells and destroy them by secreting cytokines, porins, free radicals and other substances (pink).

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Creative#:

TOP27682528

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

Property Release:

N/A

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No

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