靶向KRAS联合CTLA-4阻断重塑胃癌免疫抑制微环境的机制示意图 (IMAGE) Science China Press Caption KRAS突变驱动TGF-β依赖、Treg主导的免疫抑制微环境;KRASG12D抑制剂联合CTLA-4阻断可抑制TGF-β信号、削弱Treg功能、恢复有效的抗肿瘤免疫。 Credit ©《中国科学》杂志社 Usage Restrictions Use with credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.