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T 细胞亚群的双相行为反映了早期抗骨髓瘤反应的失败,并导致进行性 T 细胞功能障碍

英文原题:Biphasic behavior of T cell subsets reflects failure of early anti-myeloma response and leads to progressive T cell dysfunction.

查看英文原题

Biphasic behavior of T cell subsets reflects failure of early anti-myeloma response and leads to progressive T cell dysfunction.

PubMed 2025/07/11(内容时间) Neoplasia Q2 · IF 4.8(JCR 2025)

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研究概要

我们的新模型是一种灵活的工具,可用于研究引发免疫抑制和 MM 疾病进展的早期细胞相互作用。该模型还可用于测试新治疗策略的疗效。

研究思路结论见上方概要

多发性骨髓瘤(MM)在2-3十年间通过两个前恶性阶段(MGUS和SMM)进展,最终发展为临床活动性疾病。鉴于在这一时间跨度内从患者获取连续骨髓(BM)样本存在局限性,损害免疫监视并促进MM发展的机制仍

将MOPC315.BM骨髓瘤细胞接种至Balb/c小鼠后,对其进行了为期220天的追踪观察。在细胞接种后的第80天、150天和220天,分别采集了血液和骨髓样本。血液样本用于监测副蛋白水平及全血细胞计数。骨髓抽吸物则通过流式细胞术进行深度免疫分析,并用于T细胞功能检测。

血液分析验证了该模型反映了人类MM的血清学特征。对BM样本的分析揭示了T调节细胞、Th17细胞、CD8+细胞毒性T细胞和NK细胞的双相行为,以及CD4+和CD8+ T记忆细胞亚群分布的偏斜,提示早期抗骨髓瘤反应失败,随后被进行性免疫抑制所取代,以及CD8+ T细胞肿瘤细胞毒性的功能障碍和耗竭。

展开英文摘要原文

Blood analyses validated that the model reflects serological features of human MM. Analysis of BM samples revealed a biphasic behavior of T regulatory cells, Th17 cells, CD8+ cytotoxic T cells and NK cells, as well as skewing of CD4+ and CD8+ T memory cell subset distributionss, suggesting failure of an early anti-myeloma response, which is replaced by progressive immunosuppression, and dysfunction and exhaustion of CD8+ T cell tumor cytotoxicity.

Our new model is a flexible tool to investigate the early cellular interactions that initiate immunosuppression and MM disease progression. The model can also be used to test the efficacy of new therapeutic strategies.

论文信息

作者
Jadhav SS、Sharma V、Lion A、Efrat LK、Shaked I、Luboshits G、Firer MA
第一作者单位
Dept. Chemical Engineering & Biotechnology, Ariel University, Ariel 40700, Israel. Electronic address: suchita.jadhav@childrens.harvard.edu.Israel
通讯作者单位
Dept. Chemical Engineering & Biotechnology, Ariel University, Ariel 40700, Israel; Adelson School of Medicine, Ariel University, Ariel, 40700, Israel. Electronic address: firer@ariel.ac.il.Israel
文献类型
非美国政府资助研究
期刊
Neoplasia (New York, N.Y.)2025 Sep
原文标识
PubMed 40644988 · DOI 10.1016/j.neo.2025.101208