衰老细胞比例及衰老相关细胞因子在急性髓系白血病中的变化及临床意义  

Changes and clinical significance of senescent cell proportion and senescence-associated cytokines in acute myeloid leukemia

作　　者：刘琳琳 陶千山[1] 王会平[1] 张青[1] 翟志敏[1] LIU Linlin;TAO Qianshan;WANG Huiping;ZHANG Qing;ZHAI Zhimin(Department of Hematology,the Second Hospital of Anhui Medical University,Hefei 230601,China)

机构地区：[1]安徽医科大学第二附属医院血液科,合肥230601

出　　处：《中国免疫学杂志》2024年第10期2141-2145,共5页Chinese Journal of Immunology

基　　金：安徽省自然科学基金面上项目(2208085MH217)。

摘　　要：目的:探讨急性髓系白血病(AML)患者不同疾病状态下外周血衰老细胞比例和衰老相关细胞因子的变化及临床意义。方法:选取安徽医科大学第二附属医院收诊的AML患者作为研究对象(初诊组17例、缓解组16例、复发组12例),瑞吉和衰老特异性β-半乳糖苷酶(SA-β-gal)染色观察各组患者外周血白血病细胞形态和衰老细胞比例,流式微球分析技术(CBA)检测各组患者血清衰老相关细胞因子IL-8、IL-1β、IL-6、IL-10水平,比较组间差异及临床意义。结果:复发组外周血涂片瑞吉染色显示白血病细胞形态明显增大且SA-β-gal阳性细胞比例显著升高(P<0.01);复发组血清衰老相关细胞因子IL-8、IL-1β、IL-6、IL-10水平显著升高(P<0.05);患者血清衰老相关细胞因子水平与外周血原始细胞比例无相关性(P>0.05);IL-8水平较高的复发患者呈再诱导缓解率低趋势且复发后总生存差(P<0.05);多因素Cox回归分析显示IL-8是复发患者预后的独立危险因素(P<0.05)。结论:AML患者外周血中衰老细胞比例和衰老相关细胞因子IL-8、IL-1β、IL-6、IL-10水平显著升高,与疾病复发密切相关,且IL-8水平较高的复发患者预后差。Objective:To investigate changes and clinical significance of senescent cell proportion and senescence-associated cytokines in peripheral blood of patients with acute myeloid leukemia(AML)in different states.Methods:AML patients who were diagnosed and treated in the Second Hospital of Anhui Medical University were selected as research subjects(17 cases in newly diag⁃nosed group,16 cases in remission group,and 12 cases in relapse group),morphology of leukemia blasts and proportion of senescent cells in peripheral blood of patients in each group were observed by Regis and senescence specificβ-galactosidase(SA-β-gal)staining,levels of senescence-associated cytokines IL-8,IL-1β,IL-6,IL-10 in peripheral blood of each group were detected by cytometric bead array(CBA),and differences and clinical significance among groups were compared.Results:Relapse group peripheral blood smear Regis staining showed that morphology of leukemia blasts increased significantly and proportion of SA-β-gal positive cells was significantly increased(P<0.01);levels of serum senescence-associated cytokines IL-8,IL-1β,IL-6 and IL-10 in relapse group were significantly increased(P<0.05);there was no correlation between serum senescence-associated cytokine levels and proportion of peripheral blood leukemia blasts(P>0.05);relapsed patients with higher IL-8 levels trend to have lower re-induction remission rates and worse overall survival after relapse(P<0.05);multivariate Cox regression analysis showed that IL-8 level was an indepen⁃dent risk factor for prognosis of relapsed patients(P<0.05).Conclusion:Increased proportion of senescent cells and significantly increased levels of senescence-associated cytokines IL-8,IL-1β,IL-6,IL-10 in peripheral blood of AML patients are closely related to disease recurrence,and relapsed patients with higher IL-8 level had poor prognosis.

关 键 词：急性髓系白血病 衰老细胞 衰老相关细胞因子 

分 类 号：R733.71[医药卫生—肿瘤]