青科沙龙第115期 | Cell-孕激素驱动的B7-H4在“癌-胚”中的免疫耐受
在机制上,孕激素受体(PR)结合到一个新发现的−58 kb增强子上,从而通过PR-P300-BRD4轴介导B7-H4的转录。PR拮抗剂或BRD4降解剂在小鼠B7-H4+乳腺癌模型中增强了免疫治疗效果。因此,作者的研究揭示了一种女性性激素(孕激素)通过B7-H4与肿瘤-胎儿免疫耐受的机制和生物学联系,并表明PR-P300-BRD4轴可作为治疗B7-H4+癌症的靶点。
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