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白血病患者免疫表型与血管内皮细胞生长因子受体的关系

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摘要 目的:探讨血管内皮细胞生长因子受体(VEGFR)与白血病患者免疫表型的关系及作用机制。方法:对39例初发或复发的白血病患者和6例无血液系统及其他系统恶性肿瘤患者,采用流式细胞仪测定免疫表型及VEGFR阳性表达。结果:39例白血病患者中32例VEGFR阳性表达,其表型阳性占82.1%。各组单个核细胞VEGFR表达阳性率分别为:髓系白血病组(56.03±20.00)%;淋系白血病组(90.61±11.81)%;髓系抗原表达的淋系白血病组(91.66±1.63)%;淋系抗原表达的髓系白血病组(66.99±33.94)%;杂合型白血病组66.47%;6例对照组(17.46±3.96)%。VEGFR阳性表达率>90%高表达的14例白血病患者中有9例均单纯表达淋系抗原,表达髓系的有4例。结论:血管内皮细胞生长因子(VEGF)及其受体可能通过自分泌和(或)旁分泌机制参与白血病的发生发展。因此,对VEGFR高表达患者选用干扰VEGF和VEGFR信号途径的药物治疗,可能提高缓解率,延长患者生存期。
出处 《临床血液学杂志》 CAS 2006年第4期236-238,共3页 Journal of Clinical Hematology
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