• Wei-Ying Feng and Yong-Gen Zhong.
• Clin Lab. 2019 Jun 1; 65 (6).

BackgroundThe diagnostic and prognostic role of Th-1 chemokine receptor and Th-2 chemokine receptor in patients with primary immune thrombocytopenia has not been investigated extensively so far. In this study, our goal is to explore the diagnostic and prognostic role of C-C chemokine receptor 3 (CCR3) and C-C chemokine receptor 5 (CCR5) in patients with primary immune thrombocytopenia.MethodsThe expression levels of CCR3 and CCR5 were measured in peripheral blood mononuclear cells of pa-tients with primary immune thrombocytopenia and healthy subjects. The relationship between the expression levels of CCR3 and CCR5 and clinicopathological characteristics was analyzed. The diagnostic accuracy of CCR3 and CCR5 as biomarkers to discriminate primary immune thrombocytopenia patients from healthy subjects was determined. Univariate and multivariate Cox regression analysis were performed to determine the prognosis value of CCR3 and CCR5 in primary immune thrombocytopenia. The outcome of primary immune thrombocytopenia patients was also evaluated.ResultsCompared to healthy subjects, the expression level of CCR3 was significantly downregulated and CCR5 was significantly upregulated (p < 0.05). The expression levels of CCR3 and CCR5 were significantly correlated with bleeding times and platelet counts at diagnosis (p < 0.05). CCR3 and CCR5 could act as a suitable biomarker for differentiating the primary immune thrombocytopenia patients from healthy subjects. CCR3 and CCR5 were independent prognostic factors. Overexpression of CCR5 and low expression of CCR3 lead to poor clinical benefits and indicated poor prognosis of primary immune thrombocytopenia.ConclusionsTo summarize, our results suggested that CCR3 and CCR5 could act as suitable biomarkers and indicated poor prognosis of primary immune thrombocytopenia.

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