Objective: To analyze the relationship between serum miR-34a level and thrombocytopenia after chemotherapy in patients with diffuse large B-cell lymphoma (DLBCL).
Methods: A total of 69 eligible DLBCL patients who received chemotherapy in our hospital from January 2018 to January 2020 were prospectively included as the research subjects, all patients received R-CHOP 21 regimen (rituximab + cyclophosphamide + adriamycin + vincristine + prednisone) for chemotherapy, 3 weeks was 1 cycle, and 2 cycles of chemotherapy were used. The patients were divided into a reduction group and a non reduction group according to whether there was thrombocytopenia after chemotherapy, the general data and laboratory indexes of the two groups were investigated and compared, the relationship between serum miR-34a before chemotherapy and thrombocytopenia after chemotherapy in patients was analyzed.
Results: Among the 69 DLBCL patients, 36 patients developed thrombocytopenia after 2 cycles of R-CHOP 21 regimen for chemotherapy, the incidence was 52.17%; the level of serum IL-11 and the relative expression of miR-34a mRNA in the reduction group were significantly lower than the non reduction group (P<0.05), compared other data between groups, there was no statistical significant difference (P>0.05); after Logistic regression analysis, the results showed that the level of serum IL-11 and the relative expression of miR-34a mRNA were related to thrombocytopenia after chemotherapy in DLBCL patients, low expression of each index may be a risk factor of thrombocytopenia after chemotherapy in DLBCL patients (OR>1, P<0.05); ROC curve was drawn, and the results showed that the AUC of serum IL-11 level and miR-34a mRNA relative expression before chemotherapy alone and in combination predicted the risk of thrombocytopenia after chemotherapy in DLBCL patients were all >0.80, and the predictive value was ideal, when the cut-off value of serum IL-11 level before chemotherapy was 42.094 pg/ml, and the cut-off value of miR-34a mRNA relative expression was 3.894, the combined prediction value was the best.
Conclusion: The relative expression of miR-34a mRNA is associated with thrombocytopenia after chemotherapy in DLBCL patients, which may be a risk factor for thrombocytopenia in patients after chemotherapy, has certain value in predicting the risk of thrombocytopenia of patients after chemotherapy.
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| http://dx.doi.org/10.19746/j.cnki.issn.1009-2137.2022.03.020 | DOI Listing |
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