摘要
目的:比较骨髓增生异常综合征(MDS)难治性贫血(MDS-RA)型与难治性贫血伴原始细胞增多(MDS-RAEB)型患者外周血 JAK2^V617F基因表达水平,进而监测 MDS 的病情进展。方法建立 JAK2^V617F基因表达的荧光定量 FQ-PCR 检测方法,回顾性分析确诊为 MDS 的患者共22例(其中 MDS-RAEB1型6例, MDS-RAEB2型4例,MDS-RA 型12例),抽取同期健康体检者20例,应用 FQ-PCR 方法监测健康人群、MDS-RA 型患者、MDS-RAEB 型患者外周血 JAK2^V617F基因表达水平。结果健康人外周血 JAK2^V617F基因不表达或低表达,拷贝数为(596.98±470.46),MDS-RA 患者为(4631.11±3851.96),MDS-RA 患者显著高于健康人(t =3.61,P <0.01);MDS-RAEB 患者为(22545.98±11084.17),显著高于 MDS-RA 患者(t =4.87,P <0.01)。结论JAK2^V617F基因有可能参与了 MDS 的发病及其恶性转变,监测外周血 JAK2^V617F基因表达有助于监测 MDS 的病情进展、判断预后和进行基因调控治疗。
Objective To explore the pathogenesis of myelodysplastic syndrome (MDS)transformation, JAK2^V617F mRNA expression levels were compared in peripheral blood of MDS-RA(refractory anemia,RA)and MDS-RAEB(RA with excess blasts,RAEB)patients.Methods JAK2^V617F mRNA expression level was detected by fuorescent quantitative polymerase chain reaction(FQ-PCR),and this research reviewed 22 patients diagnosed with MDS,including outpatient and hospitalized patients.20 cases of normal control group were healthy ones.FQ-PCR method was applied to monitor JAK2^V617F mRNA expression level in peripheral blood of MDS-RA and MDS-RAEB patients.Results The JAK2^V617F gene was not expressed or expressed in healthy subjects,and the copy number was (3 851.96 ±470.46).The patients with MDS-RA(4 631.11 ±3 851.96)was significantly higher than that in healthy subjects(t =3.61,P 〈0.01);MDS-RAEB patients was (22 545.98 ±11 084.17),and was significantly higher than that in MDS-RA patients(t =4.87,P 〈0.01).Conclusion JAK2^V617F signal transduction can play a role in the pathogenesis and transformation of MDS,and the detection of JAK2-V617F mRNA expression level is use-ful for monitoring progression,judging prognosis and gene regulation therapy of MDS.
出处
《中国基层医药》
CAS
2016年第4期573-576,共4页
Chinese Journal of Primary Medicine and Pharmacy