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TET2-mutant clonal hematopoiesis enhances macrophage antigen presentation and improves immune checkpoint therapy in solid tumors tet2突变克隆造血增强巨噬细胞抗原呈递和改善实体瘤免疫检查点治疗
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-16 DOI: 10.1016/j.ccell.2025.09.011
Shelley Herbrich, Mehdi Chaib, Swetha Anandhan, Samuel W. Andrewes, Ashwat Nagarajan, Baoxiang Guan, Nishant Gandhi, Jared Gilliam, Milan Radovich, Padmanee Sharma
Clonal hematopoiesis (CH) is detectable in upwards of 20% of patients with solid tumors and is associated with worsened prognosis; however, its role in tumor immunology and immune checkpoint therapy (ICT) is unknown. Using a bone marrow chimera model of Tet2+/mut CH in mice with solid tumors, we found the Tet2-mutant myeloid cells are abundant in the tumor microenvironment and contributed to an improved response to ICT. Mechanistically, Tet2+/mut macrophages inside the tumor act as immunogenic antigen-presenting cells that more effectively cross-prime naive CD8+ T cells in response to IFNγ. In human cohorts of 35,971 non-small cell lung cancer patients and 25,064 colorectal adenocarcinoma patients, TET2-mutant CH is associated with improved outcome specifically with ICT. This study proposes a role for Tet2+/mut antigen presenting macrophages in shaping antitumor immunity and identifies TET2-mutant CH as a potential biomarker for improved response to ICT in patients with solid tumors.
克隆性造血(CH)在20%以上的实体瘤患者中可检测到,并与预后恶化有关;然而,其在肿瘤免疫学和免疫检查点治疗(ICT)中的作用尚不清楚。利用实体瘤小鼠的Tet2+/mut CH骨髓嵌合体模型,我们发现Tet2突变的骨髓细胞在肿瘤微环境中大量存在,并有助于改善对ICT的反应。在机制上,肿瘤内的Tet2+/mut巨噬细胞作为免疫原性抗原呈递细胞,更有效地交叉初始CD8+ T细胞以响应IFNγ。在35,971例非小细胞肺癌患者和25,064例结直肠腺癌患者的人类队列中,tet2突变CH与ICT改善的预后相关。本研究提出Tet2+/mut抗原呈递巨噬细胞在形成抗肿瘤免疫中的作用,并确定Tet2突变CH作为实体瘤患者对ICT反应改善的潜在生物标志物。
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引用次数: 0
Hidden spark: From cold to hot in BRAF colorectal cancer 隐藏的火花:从冷到热的BRAF结直肠癌
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-09 DOI: 10.1016/j.ccell.2025.09.008
Pashtoon Murtaza Kasi
Immunotherapy as single-agent PD-1 blockade does not work for patients with microsatellite stable (MSS) colorectal cancer. In this issue of Cancer Cell, Morris et al. demonstrate that targeting the mitogen-activated protein kinase (MAPK) pathway in combination with immunotherapy can reprogram BRAF-V600E mutant MSS colorectal cancers toward immune responsiveness.
单药PD-1阻断免疫疗法对微卫星稳定型(MSS)结直肠癌患者无效。在这一期的Cancer Cell中,Morris等人证明靶向丝裂原活化蛋白激酶(MAPK)途径结合免疫治疗可以重编程BRAF-V600E突变型MSS结直肠癌,使其产生免疫应答性。
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引用次数: 0
Neoadjuvant nab-paclitaxel plus gemcitabine followed by modified FOLFIRINOX for resectable pancreatic cancer: A randomized phase 3 trial 新辅助nab-紫杉醇加吉西他滨后改良FOLFIRINOX治疗可切除胰腺癌:一项随机3期试验
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-09 DOI: 10.1016/j.ccell.2025.09.009
Xueli Bai, Xiang Li, Yiwen Chen, Guoliang Qiao, Qi Zhang, Tao Ma, Shunliang Gao, Min Zhang, Yan Shen, Jian Wu, Jun Yu, Risheng Que, Xiaochen Zhang, Ke Sun, Wenbo Xiao, Tian’an Jiang, Tingbo Liang
This single-center, randomized phase 3 trial (NCT03750669) evaluated sequential neoadjuvant nab-paclitaxel plus gemcitabine followed by modified FOLFIRINOX versus upfront surgery in 324 patients with resectable pancreatic cancer. Patients in the neoadjuvant group received nab-paclitaxel plus gemcitabine followed by modified FOLFIRINOX before surgery and then four cycles of adjuvant therapy (preferably gemcitabine plus capecitabine), while those in the upfront surgery group underwent immediate resection followed by six cycles of adjuvant therapy. The primary endpoint was event-free survival. Notably, 50% of patients had tumors in the pancreatic body or tail. Median event-free survival was 15.3 months (95% confidence interval [CI], 12.6–19.3) versus 10.9 months (95% CI, 9.1–13.5; hazard ratio [HR], 0.71; 95% CI, 0.54–0.93; p = 0.0136). Median overall survival was 35.4 months versus 27.2 months (HR, 0.73; 95% CI, 0.53–1.00; nominal p = 0.0477). Grade ≥3 adverse events occurred in 47.6% versus 30.7% of patients. This neoadjuvant regimen improves event-free survival with manageable safety.
这项单中心、随机3期试验(NCT03750669)评估了324例可切除胰腺癌患者的序贯新辅助nab-紫杉醇加吉西他滨后改良FOLFIRINOX与前期手术的对比。新辅助组患者术前接受nab-紫杉醇+吉西他滨,随后改良FOLFIRINOX,然后进行4个周期的辅助治疗(最好是吉西他滨+卡培他滨),而术前组患者接受立即切除,然后进行6个周期的辅助治疗。主要终点为无事件生存期。值得注意的是,50%的患者在胰腺体或胰腺尾有肿瘤。中位无事件生存期为15.3个月(95%可信区间[CI], 12.6-19.3) vs 10.9个月(95% CI, 9.1-13.5;风险比[HR], 0.71; 95% CI, 0.54-0.93; p = 0.0136)。中位总生存期为35.4个月对27.2个月(HR, 0.73; 95% CI, 0.53-1.00;名义p = 0.0477)。≥3级不良事件发生率分别为47.6%和30.7%。这种新辅助方案提高了无事件生存和可控的安全性。
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引用次数: 0
Developing SEMA4A-directed CAR T cells to overcome low BCMA antigen density in multiple myeloma 开发sema4a定向CAR - T细胞克服多发性骨髓瘤低BCMA抗原密度
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-09 DOI: 10.1016/j.ccell.2025.09.007
Francesco Di Meo, Francesca Albano, Annamaria Cesarano, Yunfei Wang, Brandon Kale, Kenneth Shain, Ariosto Silva, Noriyoshi Kurihara, Hirofumi Tenshin, David Jellyman, Xiaofei Song, Sasan Ghaffari, Hector Mesa, Ben Creelan, Ciara Freeman, Xiaohong Zhao, Mark B. Meads, Paulo C. Rodriguez, Silvia Marino, Frederick Locke, Fabiana Perna
Chimeric antigen receptor (CAR) T cell therapy targeting B cell maturation antigen (BCMA) for multiple myeloma (MM) is effective, but relapses associated with low-to-negative BCMA expression are common, indicating the need for additional targets. We quantitatively profile antigen density in a cohort of patients relapsed after BCMA CAR T therapy, showing high number of SEMA4A molecules/cell where BCMA density is low. SEMA4A deletion limits MM cell growth, migration, tissue infiltration, and osteoclast formation, while extending mouse survival. We generate monoclonal antibodies targeting SEMA4A-extracellular domain for CAR construction, screen engineered T cells for expansion, cytokine release, and cytotoxicity against MM cells. Lead constructs lack reactivity against normal non-hematopoietic tissues. SEMA4A CAR T cells show superior efficacy than BCMA CAR T cells eliminating patient-derived BCMAlow tumors and MM cells progressing under suboptimal doses of BCMA CAR T cells. This study prepares for a phase 1 clinical trial with SEMA4A-directed CAR T cells for MM.
靶向B细胞成熟抗原(BCMA)的嵌合抗原受体(CAR) T细胞治疗多发性骨髓瘤(MM)是有效的,但与BCMA低至阴性表达相关的复发是常见的,这表明需要额外的靶点。我们定量分析了一组BCMA CAR - T治疗后复发患者的抗原密度,显示在BCMA密度低的地方,SEMA4A分子/细胞数量高。SEMA4A缺失限制了MM细胞的生长、迁移、组织浸润和破骨细胞的形成,同时延长了小鼠的存活时间。我们产生靶向sema4a细胞外结构域的单克隆抗体,用于CAR构建,筛选工程T细胞的扩增,细胞因子释放和对MM细胞的细胞毒性。铅构建体对正常非造血组织缺乏反应性。SEMA4A CAR - T细胞在次优剂量的BCMA CAR - T细胞下,对患者源性BCMAlow肿瘤和MM细胞的清除效果优于BCMA CAR - T细胞。该研究准备用sema4a靶向CAR - T细胞治疗MM的1期临床试验。
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引用次数: 0
Distinct T cell functions enable efficient immunoediting and prevent tumor emergence of developing sarcomas 不同的T细胞功能能够有效地进行免疫编辑,并防止肿瘤出现发展中的肉瘤
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-02 DOI: 10.1016/j.ccell.2025.09.005
Julie F. Cheung, Brian G. Hunt, Shudipto Wahed, Elaine Cheng, Kelli A. Connolly, Srividhya Venkatesan, Jennifer L. Loza, Ishan Bansal, Eric Fagerberg, Emily A. Kessler, Clémence Riffard, Jessica Buck, John Attanasio, Emily R. Borr, Wei Wei, Ivana William, Brittany Fitzgerald, Nikhil S. Joshi
T cells edit tumors by eliminating neoantigen-expressing tumor cells. Yet, how and when this is achieved remains uncertain. Using a murine sarcoma model with fluorescent neoantigens, we found that tumors developed later and in fewer T cell-sufficient mice (∼53% penetrance) than T cell-deficient mice (∼100%). With T cells, all emergent tumor cells had silenced neoantigens, but neoantigen-negative tumor cells were also present in every T cell-deficient mouse. This suggested silencing was necessary but not sufficient for outgrowth. Genetic removal of neoantigens restored tumor penetrance if implemented on day 5 post-tumor initiation, but not day 10, because CD8+ and CD4+ T cells infiltrated the tissue and eliminated most neoantigen-positive and -negative tumor cells within 8 days. Single-cell analyses on day-7 tumors showed oncogenic changes including increased proliferation and T cell-dependent upregulation of the IFNγ-response gene Cd274 (PD-L1). T cell-depletion rescued both neoantigen-positive and -negative cells, while IFNγ blockade rescued only negative cells. This shows that T cells efficiently edit sarcomas of neoantigens and prevent early tumors via IFNγ-independent and IFNγ-dependent (bystander) mechanisms.
T细胞通过消除表达新抗原的肿瘤细胞来编辑肿瘤。然而,如何以及何时实现这一目标仍不确定。使用带有荧光新抗原的小鼠肉瘤模型,我们发现肿瘤在T细胞充足的小鼠(约53%外显率)中比T细胞缺陷小鼠(约100%)发展得更晚,并且在更少的小鼠中(约53%外显率)。在T细胞中,所有新生肿瘤细胞都有沉默的新抗原,但在每个T细胞缺陷小鼠中也存在新抗原阴性的肿瘤细胞。这表明沉默是必要的,但不足以促进生长。如果在肿瘤发生后第5天进行遗传去除新抗原,则恢复肿瘤外显率,而不是第10天,因为CD8+和CD4+ T细胞浸润组织并在8天内消除了大多数新抗原阳性和阴性的肿瘤细胞。第7天的单细胞分析显示肿瘤发生了致癌变化,包括增殖增加和T细胞依赖的ifn γ反应基因Cd274 (PD-L1)上调。T细胞耗竭可以拯救新抗原阳性和阴性细胞,而IFNγ阻断只能拯救阴性细胞。这表明T细胞通过ifn γ-不依赖和ifn γ-依赖(旁观者)机制有效地编辑新抗原肉瘤并预防早期肿瘤。
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引用次数: 0
Bringing immunotherapy to clinical practice in dMMR/MSI-high colon cancer 将免疫疗法引入dMMR/ msi高结肠癌的临床实践
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-02 DOI: 10.1016/j.ccell.2025.08.010
Giovanni Randon, Isacco Montroni, Filippo Pietrantonio
Upfront resection is the standard treatment for localized dMMR/MSI-high colon cancer. In this issue of Cancer Cell, Wang et al. showed that dual anti-CTLA-4/PD-1 IBI310/sintilimab for 6 weeks improved pathological complete response over sintilimab in patients with cT4/N+ tumors. This combination represents a referral regimen for neoadjuvant or organ-preserving strategies.
前期切除是局部dMMR/ msi高结肠癌的标准治疗方法。在这一期的Cancer Cell中,Wang等人发现,cT4/N+肿瘤患者的双重抗ctla -4/PD-1 IBI310/ sintilmab治疗6周,比sintilmab改善了病理完全缓解。这种组合代表了新辅助或器官保存策略的转诊方案。
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引用次数: 0
Neoadjuvant treatment of IBI310 plus sintilimab in locally advanced MSI-H/dMMR colon cancer: A randomized phase 1b study IBI310联合辛替单抗治疗局部晚期MSI-H/dMMR结肠癌:一项随机1b期研究
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-02 DOI: 10.1016/j.ccell.2025.09.004
Feng Wang, Gong Chen, Meng Qiu, Jinfeng Ma, Xianwei Mo, Haiyi Liu, Yongqiang Li, Peirong Ding, Xiangbin Wan, Yingbin Hu, Xiwen Huang, Weiqin Jiang, Xiaojun Wu, Jia Luo, Yanbing Zhou, Leping Li, Yanlai Sun, Quan Wang, Nanya Wang, Wu Jiang, Rui-Hua Xu
Although neoadjuvant immunotherapy showed promising efficacy in locally advanced microsatellite instability-high or mismatch repair-deficient (MSI-H/dMMR) colon cancer, whether dual immune checkpoint inhibition provides additional benefit over anti-PD-1 monotherapy remains unclear. This randomized phase 1b trial (NCT05890742) evaluated a neoadjuvant regimen of IBI310 (anti-cytotoxic T lymphocyte-associated antigen 4 [CTLA-4]) plus sintilimab (n = 52) versus sintilimab monotherapy (n = 49). Surgery was performed in 51 and 45 patients, respectively. The primary endpoint, pathological complete response (pCR) rate, was significantly higher in the combination compared to the monotherapy arm within the modified intent-to-treat (mITT) population (78.4% versus 46.7%, p = 0.0015), with consistent results in the intent-to-treat (ITT) population (76.9% versus 42.9%). Safety in both arms was comparable and manageable without new safety signals. After a median follow-up of 21.4 months, no disease recurrences occurred. One death occurred in each arm due to postoperative complication and adverse events. These findings demonstrate the added benefit of neoadjuvant IBI310 plus sintilimab over sintilimab monotherapy for locally advanced MSI-H/dMMR colon cancer.
尽管新辅助免疫治疗在局部晚期微卫星不稳定性高或错配修复缺陷(MSI-H/dMMR)结肠癌中显示出有希望的疗效,但双免疫检查点抑制是否比抗pd -1单药治疗提供额外的益处仍不清楚。这项随机1b期试验(NCT05890742)评估了IBI310(抗细胞毒性T淋巴细胞相关抗原4 [CTLA-4])联合辛替单抗(n = 52)与辛替单抗单药(n = 49)的新辅助方案。分别对51例和45例患者进行了手术。主要终点病理完全缓解(pCR)率在改良意向治疗(mITT)人群中显著高于单药治疗组(78.4%对46.7%,p = 0.0015),意向治疗(ITT)人群的结果一致(76.9%对42.9%)。在没有新的安全信号的情况下,两组的安全性是可比较和可控的。中位随访21.4个月后,无疾病复发。由于术后并发症和不良事件,每组各有1例死亡。这些研究结果表明,新辅助IBI310加辛替单抗治疗局部晚期MSI-H/dMMR结肠癌比辛替单抗治疗有更多的益处。
{"title":"Neoadjuvant treatment of IBI310 plus sintilimab in locally advanced MSI-H/dMMR colon cancer: A randomized phase 1b study","authors":"Feng Wang, Gong Chen, Meng Qiu, Jinfeng Ma, Xianwei Mo, Haiyi Liu, Yongqiang Li, Peirong Ding, Xiangbin Wan, Yingbin Hu, Xiwen Huang, Weiqin Jiang, Xiaojun Wu, Jia Luo, Yanbing Zhou, Leping Li, Yanlai Sun, Quan Wang, Nanya Wang, Wu Jiang, Rui-Hua Xu","doi":"10.1016/j.ccell.2025.09.004","DOIUrl":"https://doi.org/10.1016/j.ccell.2025.09.004","url":null,"abstract":"Although neoadjuvant immunotherapy showed promising efficacy in locally advanced microsatellite instability-high or mismatch repair-deficient (MSI-H/dMMR) colon cancer, whether dual immune checkpoint inhibition provides additional benefit over anti-PD-1 monotherapy remains unclear. This randomized phase 1b trial (<span><span>NCT05890742</span><svg aria-label=\"Opens in new window\" focusable=\"false\" height=\"20\" viewbox=\"0 0 8 8\"><path d=\"M1.12949 2.1072V1H7V6.85795H5.89111V2.90281L0.784057 8L0 7.21635L5.11902 2.1072H1.12949Z\"></path></svg></span>) evaluated a neoadjuvant regimen of IBI310 (anti-cytotoxic T lymphocyte-associated antigen 4 [CTLA-4]) plus sintilimab (<em>n</em> = 52) versus sintilimab monotherapy (<em>n</em> = 49). Surgery was performed in 51 and 45 patients, respectively. The primary endpoint, pathological complete response (pCR) rate, was significantly higher in the combination compared to the monotherapy arm within the modified intent-to-treat (mITT) population (78.4% versus 46.7%, <em>p</em> = 0.0015), with consistent results in the intent-to-treat (ITT) population (76.9% versus 42.9%). Safety in both arms was comparable and manageable without new safety signals. After a median follow-up of 21.4 months, no disease recurrences occurred. One death occurred in each arm due to postoperative complication and adverse events. These findings demonstrate the added benefit of neoadjuvant IBI310 plus sintilimab over sintilimab monotherapy for locally advanced MSI-H/dMMR colon cancer.","PeriodicalId":9670,"journal":{"name":"Cancer Cell","volume":"10 1","pages":""},"PeriodicalIF":50.3,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145204008","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cell-free DNA fragmentomics in cancer 癌症中的无细胞DNA片段组学
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-10-02 DOI: 10.1016/j.ccell.2025.09.006
W.H. Adrian Tsui, Peiyong Jiang, Y.M. Dennis Lo
The analysis of cell-free DNA (cfDNA) fragmentation patterns, known as “fragmentomics,” has opened new opportunities in noninvasive cancer diagnostics. Due to its close relationships with genomic organization and cell death, cfDNA fragmentomics lies at the intersection of many aspects of cancer biology, including epigenetic dysregulation, transcriptomic alterations, and aberrant cellular turnover patterns. Recent advances in library preparation, sequencing technologies, and integrative epigenomic-fragmentomic analyses have uncovered novel fragmentomic features that reveal specific cellular dysfunctions in cancer. Additionally, cutting-edge artificial intelligence algorithms now harness high-dimensional fragmentomic features, boosting the precision and power of cancer detection. Promising results from recent clinical trials evaluating the utility of fragmentomic analyses in real-world settings support its potential. In this review, we explore the exciting frontiers of cfDNA fragmentomics, discuss critical unanswered questions, and highlight future directions to unlock the promise of fragmentomics-based liquid biopsies in cancer care.
对游离DNA (cfDNA)片段模式的分析,被称为“片段组学”,为非侵入性癌症诊断开辟了新的机会。由于其与基因组组织和细胞死亡的密切关系,cfDNA片段组学处于癌症生物学许多方面的交叉点,包括表观遗传失调、转录组改变和异常细胞周转模式。文库制备、测序技术和综合表观基因组-片段组学分析的最新进展揭示了新的片段组学特征,揭示了癌症中特定的细胞功能障碍。此外,尖端的人工智能算法现在利用高维碎片组学特征,提高了癌症检测的精度和能力。最近的临床试验评估了片段组学分析在现实世界中的应用,结果很有希望支持它的潜力。在这篇综述中,我们探索了令人兴奋的cfDNA片段组学前沿,讨论了关键的未解之谜,并强调了未来的方向,以释放基于片段组学的液体活检在癌症治疗中的前景。
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引用次数: 0
A Lymphotoxin-Driven Pathway to Hepatocellular Carcinoma 淋巴毒素驱动的肝细胞癌通路
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-09-28 DOI: 10.1016/j.ccell.2025.08.005
Johannes Haybaeck, Nicolas Zeller, Monika Julia Wolf, Achim Weber, Ulrich Wagner, Michael Odo Kurrer, Juliane Bremer, Giandomenica Iezzi, Rolf Graf, Pierre-Alain Clavien, Robert Thimme, Hubert Blum, Sergei A. Nedospasov, Kurt Zatloukal, Muhammad Ramzan, Sandra Ciesek, Thomas Pietschmann, Patrice N. Marche, Michael Karin, Manfred Kopf, Mathias Heikenwalder
(Cancer Cell 16, 295–308; October 6, 2009)
(《癌症细胞》16,295 - 308;2009年10月6日)
{"title":"A Lymphotoxin-Driven Pathway to Hepatocellular Carcinoma","authors":"Johannes Haybaeck, Nicolas Zeller, Monika Julia Wolf, Achim Weber, Ulrich Wagner, Michael Odo Kurrer, Juliane Bremer, Giandomenica Iezzi, Rolf Graf, Pierre-Alain Clavien, Robert Thimme, Hubert Blum, Sergei A. Nedospasov, Kurt Zatloukal, Muhammad Ramzan, Sandra Ciesek, Thomas Pietschmann, Patrice N. Marche, Michael Karin, Manfred Kopf, Mathias Heikenwalder","doi":"10.1016/j.ccell.2025.08.005","DOIUrl":"https://doi.org/10.1016/j.ccell.2025.08.005","url":null,"abstract":"(Cancer Cell <em>16</em>, 295–308; October 6, 2009)","PeriodicalId":9670,"journal":{"name":"Cancer Cell","volume":"28 1","pages":""},"PeriodicalIF":50.3,"publicationDate":"2025-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145182868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ketogenic diet inhibits glioma progression by promoting gut microbiota-derived butyrate production 生酮饮食通过促进肠道微生物衍生丁酸盐的产生来抑制胶质瘤的进展
IF 50.3 1区 医学 Q1 CELL BIOLOGY Pub Date : 2025-09-25 DOI: 10.1016/j.ccell.2025.09.002
Ming-Liang Chen, Ying He, Xun-Hu Dong, Hao-Fei Liu, Ze-Xuan Yan, Xiao-Lu Lu, Qing-Qing Miao, Qing-Ning Zhao, Hang Zhang, Li Luo, Shuai Wang, Jing-Yuan Li, Dong-Fang Xiang, Yong Lin, Tian-Ran Li, Xin-Yue Zhou, Yang-Yang Zhou, Min Mao, Xia Zhang, Hong Wei, Xiu-Wu Bian
The ketogenic diet (KD) is a potential therapeutic strategy for glioma; however, the underlying mechanisms remain unclear. Herein, we first identify that glioma patients exhibit a distinct gut microbial profile characterized by reduced butyrate-producing bacteria abundance, particularly R. faecis, along with decreased butyrate levels. Notably, KD reshapes the gut microbiota especially enriching A. muciniphila in a mucin-2-dependent manner, elevates butyrate production, and activates caspase-3 in microglia. These changes promote an anti-tumor microglial phenotype, ultimately suppressing glioma progression in mice. Crucially, KD’s anti-glioma effect is notably abolished by antibiotics treatment; germ-free condition; or specific depletion of mucin-2, microglia, or microglial caspase-3. Furthermore, butyrate, A. muciniphila, R. faecis, or A. muciniphila plus R. faecis restores KD-induced microglial caspase-3 activation and the anti-tumor phenotype of microglia in antibiotics-treated or germ-free mice. These findings highlight that targeting the gut microbiota by KD or supplementing with butyrate could be an effective strategy for glioma therapy.
生酮饮食(KD)是一种潜在的治疗胶质瘤的策略;然而,潜在的机制仍不清楚。在此,我们首先确定胶质瘤患者表现出独特的肠道微生物特征,其特征是丁酸盐产生细菌丰度降低,特别是粪肠球菌,同时丁酸盐水平降低。值得注意的是,KD重塑了肠道微生物群,特别是以粘蛋白2依赖的方式富集嗜粘杆菌,提高了丁酸盐的产生,并激活了小胶质细胞中的caspase-3。这些变化促进抗肿瘤小胶质细胞表型,最终抑制小鼠胶质瘤的进展。关键是,KD的抗胶质瘤作用被抗生素治疗明显消除;无菌条件;或特定的粘蛋白-2,小胶质细胞,或小胶质细胞caspase-3的消耗。此外,丁酸盐、嗜粘单胞菌、粪单胞菌或嗜粘单胞菌加粪单胞菌可恢复抗生素处理或无菌小鼠中kd诱导的小胶质caspase-3激活和小胶质细胞的抗肿瘤表型。这些发现强调,通过KD靶向肠道微生物群或补充丁酸盐可能是治疗胶质瘤的有效策略。
{"title":"Ketogenic diet inhibits glioma progression by promoting gut microbiota-derived butyrate production","authors":"Ming-Liang Chen, Ying He, Xun-Hu Dong, Hao-Fei Liu, Ze-Xuan Yan, Xiao-Lu Lu, Qing-Qing Miao, Qing-Ning Zhao, Hang Zhang, Li Luo, Shuai Wang, Jing-Yuan Li, Dong-Fang Xiang, Yong Lin, Tian-Ran Li, Xin-Yue Zhou, Yang-Yang Zhou, Min Mao, Xia Zhang, Hong Wei, Xiu-Wu Bian","doi":"10.1016/j.ccell.2025.09.002","DOIUrl":"https://doi.org/10.1016/j.ccell.2025.09.002","url":null,"abstract":"The ketogenic diet (KD) is a potential therapeutic strategy for glioma; however, the underlying mechanisms remain unclear. Herein, we first identify that glioma patients exhibit a distinct gut microbial profile characterized by reduced butyrate-producing bacteria abundance, particularly <em>R</em>. <em>faecis</em>, along with decreased butyrate levels. Notably, KD reshapes the gut microbiota especially enriching <em>A</em>. <em>muciniphila</em> in a mucin-2-dependent manner, elevates butyrate production, and activates caspase-3 in microglia. These changes promote an anti-tumor microglial phenotype, ultimately suppressing glioma progression in mice. Crucially, KD’s anti-glioma effect is notably abolished by antibiotics treatment; germ-free condition; or specific depletion of mucin-2, microglia, or microglial caspase-3. Furthermore, butyrate, <em>A</em>. <em>muciniphila</em>, <em>R</em>. <em>faecis</em>, or <em>A</em>. <em>muciniphila</em> plus <em>R</em>. <em>faecis</em> restores KD-induced microglial caspase-3 activation and the anti-tumor phenotype of microglia in antibiotics-treated or germ-free mice. These findings highlight that targeting the gut microbiota by KD or supplementing with butyrate could be an effective strategy for glioma therapy.","PeriodicalId":9670,"journal":{"name":"Cancer Cell","volume":"22 1","pages":""},"PeriodicalIF":50.3,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145134336","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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Cancer Cell
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