循环 GDF15/MIC-1 作为多西他赛反应和转移性阉割耐药前列腺癌男性患者存活率标志物的临床验证。

IF 2.6 3区 医学 Q3 ENDOCRINOLOGY & METABOLISM
Prostate Pub Date : 2024-06-01 Epub Date: 2024-03-27 DOI:10.1002/pros.24691
Kate L Mahon, Sarah Im Sutherland, Hui Ming Lin, Martin R Stockler, Howard Gurney, Girish Mallesara, Karen Briscoe, Gavin Marx, Celestia S Higano, Johann S de Bono, Kim N Chi, Georgina Clark, Samuel N Breit, David A Brown, Lisa G Horvath
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引用次数: 0

摘要

背景:在转移性阉割耐药前列腺癌(mCRPC)男性探索性队列中,循环生长分化因子(GDF15/MIC-1)、白细胞介素4(IL4)和IL6水平升高与多西他赛耐药有关。本研究旨在为细胞因子生物标志物在mCRPC中的应用提供2级证据:IntVal:基线(BL)和多西他赛第21天的血浆样本(n = 120)。ExtVal:基线和多西他赛第 42 天的血清样本(n = 430)。通过 ELISA 检测 IL4、IL6 和 GDF15 水平。单核细胞和树突状细胞用 GDF15 高或低或重组 GDF15 的 10% 男性血浆处理:IntVal:BL和第21天时较高的GDF15水平与较短的总生存期(OS)相关(BL;p = 0.03和第21天;p = 0.004)。IL4和IL6与结果无关。ExtVal:BL和第42天时较高的GDF15水平预示着较短的OS(BL;p 结论:循环 GDF15 升高与接受多西他赛治疗的男性 mCRPC 患者的不良预后有关,可能是先天性免疫系统在应对多西他赛耐药时发生变化的标志物。这些发现为考虑将 GDF15 作为生物标志物提供了强有力的依据,以指导针对先天性免疫系统的药物与多西他赛联合用于 mCRPC 的治疗试验。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Clinical validation of circulating GDF15/MIC-1 as a marker of response to docetaxel and survival in men with metastatic castration-resistant prostate cancer.

Background: Elevated circulating growth differentiation factor (GDF15/MIC-1), interleukin 4 (IL4), and IL6 levels were associated with resistance to docetaxel in an exploratory cohort of men with metastatic castration-resistant prostate cancer (mCRPC). This study aimed to establish level 2 evidence of cytokine biomarker utility in mCRPC.

Methods: IntVal: Plasma samples at baseline (BL) and Day 21 docetaxel (n = 120). ExtVal: Serum samples at BL and Day 42 of docetaxel (n = 430). IL4, IL6, and GDF15 levels were measured by ELISA. Monocytes and dendritic cells were treated with 10% plasma from men with high or low GDF15 or recombinant GDF15.

Results: IntVal: Higher GDF15 levels at BL and Day 21 were associated with shorter overall survival (OS) (BL; p = 0.03 and Day 21; p = 0.004). IL4 and IL6 were not associated with outcomes. ExtVal: Higher GDF15 levels at BL and Day 42 predicted shorter OS (BL; p < 0.0001 and Day 42; p < 0.0001). Plasma from men with high GDF15 caused an increase in CD86 expression on monocytes (p = 0.03), but was not replicated by recombinant GDF15.

Conclusions: Elevated circulating GDF15 is associated with poor prognosis in men with mCRPC receiving docetaxel and may be a marker of changes in the innate immune system in response to docetaxel resistance. These findings provide a strong rationale to consider GDF15 as a biomarker to guide a therapeutic trial of drugs targeting the innate immune system in combination with docetaxel in mCRPC.

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来源期刊
Prostate
Prostate 医学-泌尿学与肾脏学
CiteScore
5.10
自引率
3.60%
发文量
180
审稿时长
1.5 months
期刊介绍: The Prostate is a peer-reviewed journal dedicated to original studies of this organ and the male accessory glands. It serves as an international medium for these studies, presenting comprehensive coverage of clinical, anatomic, embryologic, physiologic, endocrinologic, and biochemical studies.
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