射频消融导致肿瘤特异性免疫反应?这可能潜在成为射频和免疫治疗的一个新的领域。介入治疗对组织和肿瘤的破坏产生的碎片影响人体的免疫系统。肿瘤原位(In-situ)破坏导致抗肿瘤免疫的抗原产生,从而启动肿瘤的免疫治疗。 NIH case (Brad Wood 2009)
原发肿瘤治疗后转移病灶缩小【1】,抗原呈递细胞(Antigen presenting cells)是关键【2】。 肝癌是炎症(乙肝/丙肝)和潜在非酒精性脂肪肝炎(Nonalcoholic steatohepatitis,NASH)导致的,也是肝移植可治疗的癌症。
单独射频消融的免疫反应
射频消融免疫反应和树突细胞
免疫治疗
索拉菲尼作为免疫治疗【5】?
溶瘤细胞病【6,7】
Glypican 3: 磷脂酰肌醇蛋白-3可以用于诊断【8】,也可以用于治疗【9】。 GPC-3是肝癌细胞表面的糖蛋白,在正常人群和肝炎患者的肝细胞均不表达,而在肝癌细胞中高表达。在分化较差的癌组织中过度表达,与预后较差直接相关。 对分化较好的肝癌或纤维板层样肝癌并不适合 GPC3 扮演疾病预后的角色(复发、残余或转移)II 期研究【10】 Anti-Glypican 3: 针对GPC3人源化单克隆抗体,临床前期和临床证实【11-13】
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11. Greten TF, Duffy AG, Korangy F. Hepatocellular carcinoma from an immunologic perspective. Clin Cancer Res. 2013 Dec 15;19(24):6678-85. 12. Sun CK, Chua MS, He J, So SK. Suppression of glypican 3 inhibits growth of hepatocellular carcinoma cells through up-regulation of TGF-β2. Neoplasia. 2011 Aug;13(8):735-47.
13. Feng M, Gao W, Wang R, Chen W, Man YG, Figg WD, Wang XW, Dimitrov DS, Ho M. Therapeutically targeting glypican-3 via a conformation-specific single-domain antibody in hepatocellular carcinoma. Proc Natl Acad Sci U S A. 2013 Mar 19;110(12):E1083-91.
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