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A member asked:
What is the difference between cd8+cd57+ and cd8-cd57+ ? i see studies on cd8+cd57+ but not cd8-cd57+, which i had a labcorp test for.
A doctor has provided 1 answer
CD markers: CD stands for cluster of differentiation and can help distinguish cell types. CD8+ usually identifies a cell as a killer T cell. CD8- identifies a cell as NOT a killer T cell. In immunology, CD57+ cells usually are NK or T cells. Hence, CD8+CD57+ would reflect a killer T cell with CD57 expression. CD8-CD57+ could be a NK cell with CD57 expression (note non-immune cells also express CD57).
Answered 3/20/2018
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