The expression and clinical significance of CD59 and FLAER in Chinese adult AML patients
JOURNAL OF CLINICAL LABORATORY ANALYSIS(2022)
Abstract
Background The role of CD59 and fluorescently labeled aerolysin (FLAER) in acute myeloid leukemia (AML) remains unclear and requires further investigation. To explore the relationship between CD59, FLAER, and AML, we investigated CD59 and FLAER expression in AML and analyzed their relationship with clinical characteristics of AML patients. Methods We employed flow cytometry (FCM) to analyze CD59 and FLAER expression in 161 AML patients at Tianjin Medical University General Hospital and evaluated its association with sex, white blood cell (WBC) count, platelet (PLT) count, thrombin time (TT), prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), D-Dimer(D-D), and lactate dehydrogenase (LDH), followed by analyzing its connection with disease progression and complete remission (CR). Results CD59 and FLAER deficiencies were identified in AML patients. Compared with CR group, non-CR group patients revealed more CD59 and FLAER deficiency. Compared with non-acute promyelocytic leukemia (M3) group, M3 group patients had more CD59 and FLAER deficiency. CD59(-) level in primordial cells of M3 patients was positively correlated with primordial cell ratio (r = 0.660, p = 0.003). Additionally, we discovered that the decline in CD59 and FLAER levels might be linked to higher D-D and LDH in AML patients. The difference was statistically significant (p < 0.05). Conclusions We demonstrated that the decline in CD59 and FLAER levels was associated with leukemia cell proliferation and abnormal coagulation function in AML, suggesting that they could serve as a predictor of AML coagulation dysfunction, particularly in M3.
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Key words
acute myeloid leukemia,CD59,coagulation function,FLAER
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