Objective: To explore the value of has-microRNA-155 (miR-155) in peripheral blood mononuclear cells (PBMNC) in prognostic evaluation of elderly patients with primary immune thrombocytopenia (PITP).
Methods: One hundred and thirty elderly PITP patients and 60 healthy volunteers in our hospital were selected. The relative expression level of miR-155 in PBMNC was detected by RT-PCR. Unconditional logistic multivariate regression analysis was used to analyze the relationship between miR-155 expression and prognosis of PITP patients, and Kaplan-Meier was further used to analyze the relationship between miR-155 and PITP recurrence.
Results: The relative expression level of miR-155 in PBMNC of elderly PITP patients was significantly higher than that in healthy volunteers, and increased significantly with the severity of the disease (P＜0.05). The overall effective rate of elderly PITP patients with miR-155 low-expression was significantly higher than that in the patients with miR-155 high-expression (96.92% vs 72.31%) by after treatment with glucocorticoid. Multivariate analysis showed that miR-155 was an independent risk factor for PITP patients. Elderly patients with high expression of miR-155 showed a higher risk of recurrence.
Conclusion: miR-155 in PBMNC has a high accuracy for PITP diagnosis, and the elderly patients with high level of miR-155 show a poor prognosis and a higher risk of recurrence.
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| http://dx.doi.org/10.19746/j.cnki.issn.1009-2137.2020.04.044 | DOI Listing |
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