它们的这些生物学功能是通过配体与受体结合的方式来发挥的，而CXCR3与CCR5是RA中趋化因子的标志性受体。

All of these biological effects are performed by binding of ligands to receptors. Elsewhere, CXCR3 and CCR5 are mark chemokine receptors in RA.

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全文就新近发现的趋化因子受体CCR7及其配体CCL21和CCL19的研究进展作一综述。

The aim of this article is to review recent development of CCR7, a newly identified chemokine receptor, and its ligand CCL21and CCL19.

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趋化因子CCL21是趋化因子受体(CCR) 7的一个配体。

Chemokine CCL21 is a ligand of chemokine receptor (CCR) 7.

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