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「新手礼遇」开盒即得惊喜奖励
详细信息
- 软件大小:234.97MB
- 最后更新:2026-08-01 10:15:02
- 最新版本:V4.11.9
- 文件格式:apk
- 应用分类:1111
- 使用语言:中文
- 联网要求:需要联网
- 系统要求:57.31以上
应用介绍
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中新网上海7月31日电 (记者 陈静)肝癌转移是临床治疗的一只“拦路虎”,其中肺部是最常累及的远处靶器官。北京时间7月31日,中国专家团队在国际知名期刊《科学》(Science)在线发表突破性研究成果:率先完整还原了肝癌细胞从播散、休眠、复苏到宏转移的全程演化图谱,揭开了肿瘤肺转移的“时空密码”。研究团队发现,干预时机与干预靶点同样重要。这一发现将临床治疗策略从“寻找靶点”升级为“靶点+时机”的双维决策。
在当日举行的新闻发布会上,记者了解到,不少肝癌患者会发生肝外转移,其中,肺部是最常见的转移“落脚点”。绝大多数播散肿瘤细胞(Disseminated Tumor Cells,简称DTC)会被免疫系统迅速清除,只有极少数休眠细胞能侥幸存活、潜伏,最终发展成致命的宏转移。但这些细胞如何在早期躲过免疫监视、如何一步步“落地生根”,长期以来是个无法窥探的“黑箱”。
据悉,中国科学院院士樊嘉、周俭,复旦大学附属中山医院孙云帆副主任医师团队,联合基因组多维解析技术全国重点实验室、华大研究院研究员吴靓、徐讯以及上海科技大学仓勇教授领衔的多学科团队等开展的这项研究整合构建了覆盖9个连续时间点的小鼠肝癌肺转移时空图谱。
传统转移研究深植于“还原论”思维,习惯于寻找单一驱动基因或线性信号通路,构建“A分子→B表型”的因果链条。但这项研究揭示了一幅更为复杂的转移图景:转移肿瘤细胞的命运并非由其内部基因组单向决定,而是在与肺部微环境的持续“对话”中被反复塑造。比如:肺泡上皮细胞可主动“教育”DTC进入休眠状态,而肿瘤细胞亦能反向重塑免疫微环境,主动构建免疫“荒漠”生态位等。这种“你中有我、我中有你”的双向驯化与协同进化,打破了“肿瘤主动进攻、微环境被动应答”的传统框架,将转移定植重新定义为一场多细胞参与、时序精确的生态演化事件。
本研究建立了“如何研究转移”的新策略,探索将时间序列与空间微环境邻域纳入系统性分析框架,实现从“二维分类”到“时空连续谱”的认知升维。研究通过动态干预窗口的验证,证明干预时机与干预靶点同样重要,并将癌症转移从“分子生物学问题”重构为“时空生态学与系统动力学问题”。
该研究确立磷酸甘油酸脱氢酶(PHGDH)、CX3CR1⁺巨噬细胞为肿瘤微转移精准干预靶点,为建立分阶段抗转移治疗提供了新策略,填补了临床隐匿微转移干预的研究空白,为恶性肿瘤的抗转移治疗、复发风险分层管控提供了全新理论依据与转化方向。(完)
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