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Sci Rep:肿瘤免疫状态可以预测对新辅助化疗的响应和根治性膀胱切除术后结果

2017-10-09 AlexYang MedSci原创

膀胱癌(BC)是世界上第九大常见的癌症。根治性膀胱切除术(RC)外加上新辅助化疗(NAC)被推荐用于肌肉侵入性BC。但是,新辅助化疗方法的挑战是选择那些很可能对治疗具有响应病人的挑战。到目前为止,还没有确定的分子标记或者是基线临床特性来鉴定这些病人。不同的炎症标记,包括肿瘤相关的具有可塑的致瘤性和抗瘤性功能的巨噬细胞,这些已经被作为潜在的预后和预测生物标记在不同类型的癌症中密集研究。最近,有研究人

膀胱癌(BC)是世界上第九大常见的癌症。根治性膀胱切除术(RC)外加上新辅助化疗(NAC)被推荐用于肌肉侵入性BC。但是,新辅助化疗方法的挑战是选择那些很可能对治疗具有响应病人的挑战。到目前为止,还没有确定的分子标记或者是基线临床特性来鉴定这些病人。不同的炎症标记,包括肿瘤相关的具有可塑的致瘤性和抗瘤性功能的巨噬细胞,这些已经被作为潜在的预后和预测生物标记在不同类型的癌症中密集研究。

最近,有研究人员在免疫组化研究中评估了三个免疫标记在对BC治疗结果和对NAC响应中的预测角色,这三个标记分别为CD68、MAC387和CLEVER1。研究发现,41%的病人对NAC具有完整的响应(pT0N0)。基础临床病理变量不能预测对NAC的响应。与之相反,MAC387+细胞和CLEVER-1+巨噬细胞与不良的NAC响应相关,然而CLEVER-1+对NAC响应相关性更强。另外,更多数目的CLEVER-1+巨噬细胞与更差的总生存率相关,CD68+巨噬细胞对接受NAC治疗的BC病人来说具有独立的预后值。最后,研究人员指出,他们的研究指出了CD68、MAC387和CLEVER-1也许可以作为BC疾病中有用的预后和预测标记。

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先前的研究表明异位性疾病(如特应性皮炎、哮喘等)与特定癌症之间存在联系。但是,关于膀胱移行细胞癌(urothelial bladder cancer,UBC)相关的异位性疾病的报告是稀缺且存在不一致性的。膀胱移行细胞癌是泌尿系统最常见的肿瘤,占男性肿瘤的6%,死亡率为2.5%。病因尚不完全清楚,但与环境、吸烟及遗传因素有关。膀胱移行细胞癌高发年龄为40岁以上。来自西班牙的研究人员设计并完成了该研究

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