[Expression of CCR7 and Tim-3 in Childhood Patients with Acute Lymphoblastic Leukemia and Their Predictive Value for Prognosis].
2019
OBJECTIVE: To analyze the expression of CCR7 and Tim-3 in childhood patients with acute lymphoblastic leukemia (ALL) and their predictive value for prognosis. METHODS: Eighty-six newly diagnosed ALL childhood patients from January 2007 to January 2017 treated in our hospital were selected. The expression level of CCR7 and Tim-3 in bone marrow isolated cells of ALL patients were detected by flow cytometry, all the patients were divided into the recurrence group and non-recurrence group according to the follow-up results, the differences in the expressions of CCR7, Tim-3 between the two groups were compared. The correlation between the expression of CCR7 , Tim-3 and the clinicopathologic features of ALL patients were analyzed, the predictive value of CCR7 and Tim-3 for the prognosis of newly ALL patients were evaluated by ROC curve, and the relationship between serum CCR7, Tim-3 and prognosis were analyzed. RESULTS: The expression levels of CCR7 and Tim-3 in recurrence group were significantly higher than those in non-recurrence group(P 0.05). The exogenous infiltration rate of patients with high expression of CCR7 and Tim-3 was significantly higher than those in low expression group (P /=45.97% and /=53.54% and Tim-3<53.54% were 9.1 months and 13.6 months respectively(P=0.001). The results of Cox's multi-factor regression analysis showed that CCR7 level(HR=1.024, 95 CI 1.001-1.049) and Tim-3 level (HR=1.879, 95 CI 1.183- 2.985) were the independent risk factors that affect the OS in ALL patients(P<0.05). CONCLUSION: The expression of CCR7 and Tim-3 in bone marrow isolated cells of ALL patients shows good predictive value for prognosis, and the combination of CCR7 and Tim-3 can improve the sensitivity of the detection, the higher expression of CCR7 and Tim-3 can be used as potential indexes in prognosis evaluate.
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