论文摘要
目的:血管新生与肿瘤的生长、转移及浸润密切相关,这在实体瘤以及某些血液系统肿瘤中已得到证实。肝细胞生长因子(hepatocyte growth factor, HGF)是一种多功能细胞因子,能刺激多种类型细胞分化、增殖、再生、运动及形态的发生,被认为是一种强血管生成因子。研究证实,HGF在乳腺癌、非小细胞肺癌、胃癌、直肠癌等恶性实体肿瘤患者体液中显著升高,并与侵袭状态密切相关,可作为肿瘤预后的指标之一,近年来在恶性血液系统肿瘤也有相关研究。本文主要应用酶联免疫吸附实验法(enzyme linked immunosorbent assay, ELISA)方法检测不同病期非霍奇金淋巴瘤(non-Hodgkin lymphoma, NHL)患者血浆HGF(plasma hepatocyte growth factor, P-HGF)水平,旨在初步探讨P-HGF与NHL患者的临床特征及预后的关系。希望从血管新生的角度认识NHL,为NHL的病情监测及治疗提供新的思路。方法:采用ELISA方法检测62例不同病期NHL患者的血浆HGF水平,并收集临床资料,进行统计分析。结果:NHL患者P-HGF较正常人高(P<0.001),初发及复发者较部分缓解及完全缓解者高(P值均<0.05),初发与复发者之间无明显差异(P=0.672)。初治NHL患者P-HGF变化与治疗反应无明显的相关性(P=0.116)。初治和复发的NHL患者P-HGF浓度在不同的性别、年龄(60岁为界)、免疫分型、临床分组及结外病变数目之间无统计学差异(P值分别为0.172,0.496,0.123,0.834,0.506),但Ⅰ、Ⅱ期患者P-HGF水平低于Ⅲ、Ⅳ期者(P=0.032);中、高度恶性的NHL患者P-HGF水平高于低度恶性者(P=0.025);高中危、高危组P-HGF水平高于低危、低中危组(P=0.047)。LDH升高组患者P-HGF水平高于LDH正常组(P<0.05),β2—MG升高组患者P-HGF水平高于β2—MG正常组(P<0.05),并且P-HGF与LDH、P-HGF与β2—MG分别呈正相关(r=0.36,p<0.05,r=0.129,p<0.05)。初治和复发的NHL患者P-HGF水平与WBC、Hb、Pt无明显的相关性,但与单核细胞数呈正相关(r=0.492,P<0.01)。结论:NHL患者P-HGF高于正常人,并与恶性程度、临床分期、IPI计分有关,与LDH、β2—MG和单核细胞数分别呈正相关。HGF可能参与NHL的发生发展,且单核细胞可能产生HGF,P-HGF可联合其他指标一起作为监测NHL病情,评估NHL患者预后的指标。
论文目录
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