GPR65是一种新的免疫生物标志物,它调节肺腺癌中的免疫微环境
Hanxu Zhou1, Zhi Chen1, Shuang Gao2
1Department of General Surgery, Second Affiliated Hospital of Bengbu Medical University, Graduate Institute of Bengbu Medical University, Bengbu Medical University, Bengbu, Anhui, China.
肺腺癌 (LUAD) 中GPR65的低表达与生存率较差和免疫透率增加相关. GPR65可能作为一个关键的免疫生物标志物用于LUAD预后和诊断.
科学领域:
- 在瘤学瘤学.
- 免疫学 免疫学 免疫学
- 基因组学就是基因组学.
背景情况:
- 瘤微环境 (TME) 显著影响肺腺癌 (LUAD) 的进展和预后.
- G蛋白结合受体65 (GPR65),一种细胞外pH感应受体,与瘤免疫调节有关.
- 在LUAD中GPR65的预后作用和免疫透相关性在很大程度上仍未被探索.
研究的目的:
- 为了研究GPR65在LUAD中的预后价值.
- 在LUAD中探索GPR65表达和免疫细胞透之间的关联.
- 评估GPR65作为LUAD潜在的诊断和预后生物标志物.
主要方法:
- 在TCGA LUAD数据上使用ESTIMATE和WGCNA算法来识别关键基因.
- 采用LASSO-COX回归和名录构造用于预后预测.
- 通过CIBERSORT和免疫检查点分子评估了GPR65与瘤透免疫细胞 (TIIC) 的相关性.
- 通过Western Blot,qPCR和免疫组织化学验证了GPR65表达.
主要成果:
- 在LUAD患者中,较低的GPR65表达与不利的整体存活率和治疗结果显著相关.
- GPR65表达与各种TIIC和免疫检查点分子表现出强烈的相关性.
- 与正常组织相比,LUAD组织中的GPR65转录和蛋白质水平显著降低.
- 在正常的肺上皮细胞中,GPR65的表达率高于LUAD细胞系.
结论:
- GPR65可以作为一个关键的免疫生物标志物,用于预测LUAD的预后.
- GPR65需要进一步研究其在肺腺癌的诊断潜力.
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