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HSA-templated synergistic platform boosts radiotherapy via enhanced radiosensitization and ferroptosis induction hsa模板化的协同平台通过增强放射增敏和铁下垂诱导促进放疗
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-18 DOI: 10.1016/j.drup.2025.101293
Xiaofei Fan , Jiahao Liu , Shudong Xie , Hongpei Tan , Ze Mi , Pengpeng Zhang , Xiaoqian Ma , Qi Liang , Min Yang , Yingzi Ming , Pengfei Rong
Radiotherapy efficacy in cancer treatment is frequently compromised by tumor radioresistance, limited immune activation, and off-target toxicity. To address these challenges, we developed a multifunctional nanosystem (FPPF@HC), combining FePt-PEG-FA nanoparticles encapsulated in an HSA-CaP hybrid shell. This platform prolongs systemic circulation, effectively targets tumors via the enhanced permeability and retention effect, and facilitates active folate receptor-mediated uptake. In the acidic tumor microenvironment, the nanoparticles release FePt cores, triggering ferroptosis through Fe²⁺-mediated Fenton reactions, oxidative stress, lipid peroxidation, and subsequent tumor cell death. Concurrently, ferroptosis-induced immunogenic cell death enhances dendritic cell maturation and CD8⁺ effector T cell infiltration, remodeling the tumor immune microenvironment. In vitro and in vivo studies demonstrated significantly improved tumor suppression, radiosensitivity, and immune activation compared with radiotherapy alone. Comprehensive biosafety evaluations indicated minimal systemic toxicity. This nanosystem offers a promising strategy for overcoming radioresistance and improving clinical outcomes in cancer therapy.
肿瘤的放射抵抗、有限的免疫激活和脱靶毒性经常影响放疗在癌症治疗中的效果。为了解决这些挑战,我们开发了一种多功能纳米系统(FPPF@HC),将FePt-PEG-FA纳米颗粒封装在HSA-CaP混合壳中。该平台延长体循环,通过增强渗透性和滞留效应有效靶向肿瘤,促进叶酸受体介导的活性摄取。在酸性肿瘤微环境中,纳米颗粒释放FePt核,通过Fe 2 +介导的Fenton反应、氧化应激、脂质过氧化和随后的肿瘤细胞死亡触发铁凋亡。同时,铁中毒诱导的免疫原性细胞死亡增强树突状细胞成熟和CD8 +效应T细胞浸润,重塑肿瘤免疫微环境。体外和体内研究表明,与单独放疗相比,显着改善肿瘤抑制,放射敏感性和免疫激活。综合生物安全性评价表明,其系统性毒性极小。这种纳米系统为克服放射耐药和改善癌症治疗的临床结果提供了一种很有前途的策略。
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引用次数: 0
Drug resistance in breast cancer: Mechanisms and strategies for management 乳腺癌的耐药:机制和管理策略
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-05 DOI: 10.1016/j.drup.2025.101288
Guo-Yu Wu , Ming-Zhu Xiao , Wei-Chao Hao , Zhao-Shou Yang , Xin-Ran Liu , Dian-Shuang Xu , Zhong-Xing Peng , Lu-Yong Zhang
Therapeutic resistance remains a significant challenge in breast cancer treatment, often driven by factors such as genetic mutations, dysregulation of receptors and signaling pathways, alterations in drug metabolism and transport, cellular heterogeneity, and modifications in the tumor microenvironment. As a highly heterogeneous and complex disease, breast cancer exhibits distinct molecular and histopathological characteristics, necessitating tailored therapeutic approaches. This article reviews recent advancements in understanding therapy resistance across four major subtypes — Luminal A, Luminal B, HER2-enriched, and triple-negative breast cancer (TNBC) — and explores potential strategies to overcome resistance, providing insights into developing novel therapeutic interventions. Notably, TNBC patients have limited treatment options, with chemotherapy remaining the standard approach and immunotherapy emerging as an adjunct strategy. We concisely overview key mechanisms contributing to therapy resistance and discuss innovative therapeutic strategies, including combination regimens, molecularly targeted therapies, photodynamic therapy, and ferroptosis-inducing treatments. Additionally, we highlight recent advancements in multi-omics data integration and artificial intelligence-driven approaches in breast cancer research. Future efforts should focus on refining predictive models, optimizing combination therapies, and leveraging artificial intelligence to enhance treatment efficacy, ultimately overcoming resistance and improving long-term outcomes for breast cancer patients.
治疗耐药仍然是乳腺癌治疗中的一个重大挑战,通常由基因突变、受体和信号通路失调、药物代谢和转运改变、细胞异质性和肿瘤微环境改变等因素驱动。作为一种高度异质性和复杂性的疾病,乳腺癌表现出独特的分子和组织病理学特征,需要量身定制的治疗方法。本文回顾了四种主要亚型(Luminal A, Luminal B, her2富集和三阴性乳腺癌(TNBC))治疗耐药的最新进展,并探讨了克服耐药的潜在策略,为开发新的治疗干预措施提供了见解。值得注意的是,TNBC患者的治疗选择有限,化疗仍然是标准方法,免疫治疗作为辅助策略出现。我们简要概述了治疗耐药的关键机制,并讨论了创新的治疗策略,包括联合治疗方案、分子靶向治疗、光动力治疗和诱导铁中毒治疗。此外,我们还重点介绍了乳腺癌研究中多组学数据集成和人工智能驱动方法的最新进展。未来的工作应该集中在完善预测模型,优化联合治疗,利用人工智能来提高治疗效果,最终克服耐药,改善乳腺癌患者的长期预后。
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引用次数: 0
RNF217-KEAP1-NRF2 feedback loop confers therapeutic resistance by inhibiting ferroptosis in esophageal squamous cell carcinoma RNF217-KEAP1-NRF2反馈回路通过抑制食管鳞状细胞癌的铁下垂赋予治疗抗性
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-29 DOI: 10.1016/j.drup.2025.101296
Sifen Wang , Chao Zhang , Sha Zhou , Shiliang Liu , Qiaoqiao Li , Xingyuan Cheng , Ruixi Wang , Baoqing Chen , Yue Li , Mian Xi
Resistance to chemoradiotherapy is a crucial factor limiting the efficacy of therapy and prognosis of esophageal cancer. It is necessary to elucidate the key genes and regulatory mechanisms responsible for therapeutic resistance in esophageal squamous cell carcinoma (ESCC). In this study, we found a relationship between ferroptosis and therapeutic sensitivity in ESCC and identified the ring finger protein 217 (RNF217) as a new regulator of ferroptosis associated with resistance to chemoradiotherapy in ESCC. Mechanistically, RNF217 interacts with kelch like ECH associated protein 1 (KEAP1) and promotes its ubiquitination and degradation, resulting in nuclear factor erythroid 2-related factor 2 (NRF2) evading KEAP1-mediated degradation and, consequently, enhanced NRF2 signaling and led to ferroptosis resistance. Furthermore, NRF2 facilitated the transcription of RNF217 by binding to antioxidant response elements in the RNF217 promoter upon irradiation. Overall, our findings indicate that the RNF217-KEAP1-NRF2 feedback loop is a previously unrecognized mechanism regulating resistance to chemoradiotherapy in ESCC and could be a target to overcome therapeutic resistance in ESCC.
放化疗耐药是制约食管癌治疗效果和预后的重要因素。阐明食管鳞状细胞癌(ESCC)耐药的关键基因及其调控机制是十分必要的。在这项研究中,我们发现了ESCC中铁下沉与治疗敏感性之间的关系,并确定了环指蛋白217 (RNF217)是ESCC中与放化疗耐药相关的铁下沉的新调节因子。机制上,RNF217与kelch样ECH相关蛋白1 (KEAP1)相互作用,促进其泛素化和降解,导致核因子红系2相关因子2 (NRF2)逃避KEAP1介导的降解,从而增强NRF2信号传导,导致铁沉抗性。此外,NRF2通过与RNF217启动子中的抗氧化反应元件结合,促进了RNF217的转录。总之,我们的研究结果表明,RNF217-KEAP1-NRF2反馈回路是一种以前未被认识到的调节ESCC放化疗耐药的机制,可能是克服ESCC治疗耐药的靶点。
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引用次数: 0
Proteasomes suppress anticancer drug-induced cytotoxicity by inhibiting mitochondrial protein import and promoting ROS-BNIP3-mediated mitophagy 蛋白酶体通过抑制线粒体蛋白输入和促进ros - bnip3介导的线粒体自噬来抑制抗癌药物诱导的细胞毒性
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-20 DOI: 10.1016/j.drup.2025.101294
Ling Li , Yangyang Feng , Jingbo Zhou , Fangyuan Shao , Yuzhong Peng , Sitian Zang , Josh Haipeng Lei , Heng Sun , Dongyang Tang , Shiqi Lin , Jinghong Chen , Hanghang Li , Xiangpeng Chu , Yunfeng Qiao , Xinyu Guo , Kakun Wu , Xiaoling Xu , Chu-Xia Deng
Multidrug resistance (MDR) is associated with increased proteasome activity, which facilitates the clearance of damaged proteins and reduced mitochondrial activity, which contributes to quiescence. However, the mechanistic link between protein damage, mitochondrial dysfunction, and proteasome activity remains elusive. Here, we demonstrate that chemical drugs bind to newly synthesized mitochondrial proteins, which are largely unfolded and are coimported into the mitochondrion before appearing in the lysosome and/or nucleus. This triggers a mitochondrion-lysosome–mediated chain reaction, including the integrity stress response (ISR) and the mitochondrial unfolded protein response (UPRmt), followed by increased lysosome biogenesis and PINK1–Parkin independent but ROS–BNIP3–mediated mitophagy. We further observed that proteasomes are the main controller of the mitochondrion-lysosome reaction by monitoring proteostasis, suppressing mitochondrial protein import and promoting mitophagy under both normal and drug-treated conditions. The combination of chemical drugs and the proteasome inhibitor bortezomib (BTZ) triggered excessive mitochondrial import of damaged proteins, overwhelming mitochondrial capacity, causing mitochondrial membrane damage, profound mitochondrial ROS production, lysosome membrane permeabilization, impaired mitophagy, and proteostasis stress-induced cell death.
多药耐药(MDR)与蛋白酶体活性增加有关,蛋白酶体活性增加有助于清除受损蛋白质,线粒体活性降低有助于静止。然而,蛋白质损伤、线粒体功能障碍和蛋白酶体活性之间的机制联系仍然难以捉摸。在这里,我们证明了化学药物与新合成的线粒体蛋白结合,这些线粒体蛋白在出现在溶酶体和/或细胞核之前,大部分未展开并共同导入线粒体。这触发了线粒体仅体介导的连锁反应,包括线粒体完整性应激反应(ISR)和线粒体未折叠蛋白反应(UPRmt),随后增加溶酶体生物发生和PINK1-Parkin独立但ros - bnip3介导的线粒体自噬。我们进一步观察到,在正常和药物治疗条件下,蛋白酶体是线粒体仅体反应的主要控制者,通过监测蛋白质稳态,抑制线粒体蛋白进口和促进线粒体自噬。化学药物与蛋白酶体抑制剂硼替佐米(bortezomib, BTZ)联合使用,引发线粒体过度输入受损蛋白,线粒体容量过大,导致线粒体膜损伤,线粒体ROS大量产生,溶酶体膜渗透,线粒体自噬受损,蛋白稳态应激诱导细胞死亡。
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引用次数: 0
Engineering nanoplatforms of bacterial outer membrane vesicles to overcome cancer therapy resistance 细菌外膜囊泡的工程纳米平台克服癌症治疗耐药性
IF 15.8 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-07-18 DOI: 10.1016/j.drup.2025.101277
Qing-Qing Chai , Dan Li , Min Zhang , Yong-Wei Gu , Ai-Xue Li , Xin Wu , Xiao-Yan Liu , Ji-Yong Liu
Resistance to cancer therapy is driven by physical barriers, tumor heterogeneity, selective therapeutic pressure, immunosuppressive tumor microenvironment (TME) and others. Bacterial outer membrane vesicles (OMVs) represent a promising nanotherapeutic platform to combat cancer therapy resistance. This review discusses the dual roles of OMVs in tumorigenesis and cancer therapy, highlighting their potential applications to enhance treatment efficacy. OMVs from pathogenic bacteria, such as Fusobacterium nucleatum and Helicobacter pylori, exacerbate chemoresistance by reshaping TME through hypoxia-induced metabolic reprogramming and immune evasion, while OMVs from some bacteria, such as probiotics, counteract immunosuppression by promoting cytotoxic T-cell infiltration and macrophage polarization. As bio-derived and conveniently engineered drug delivery platforms, OMVs maximize the synergetic anticancer effect by pathogen associated molecular patterns and the payloads. These functional payloads include siRNAs, cytotoxicity and molecular agents, and immune checkpoint inhibitors. Bacterial OMVs demonstrate unique advantages through their capacity to penetrate physical barriers, achieve tumor-specific targeting, activate immune responses, to overcome cancer therapy resistance. A successful example is the OMV-based nanoplatform with engineered OMVs co-delivering CD47-siRNA and doxorubicin to overcome drug resistance by inducing immunogenic cell death and dendritic cell activation of glioblastoma. Furthermore, OMV-based cancer vaccines presented with tumor antigens or hybridized with tumor-derived membranes enhance dendritic cell maturation and antigen-specific T-cell responses, reversing treatment resistance. By addressing challenges in mass production and safety concerns, OMVs-based platforms can be developed as powerful tools for more effective and personalized cancer treatments.
对癌症治疗的耐药性是由物理障碍、肿瘤异质性、选择性治疗压力、免疫抑制肿瘤微环境(TME)等因素驱动的。细菌外膜囊泡(OMVs)代表了一个有前途的纳米治疗平台,以对抗癌症治疗耐药性。本文综述了omv在肿瘤发生和癌症治疗中的双重作用,重点介绍了它们在提高治疗疗效方面的潜在应用。来自致病菌(如核梭杆菌和幽门螺杆菌)的omv通过缺氧诱导的代谢重编程和免疫逃避来重塑TME,从而加剧化疗耐药,而来自某些细菌(如益生菌)的omv则通过促进细胞毒性t细胞浸润和巨噬细胞极化来抵消免疫抑制。作为一种生物衍生的、方便工程的药物传递平台,omv通过病原体相关的分子模式和有效载荷最大限度地发挥协同抗癌作用。这些功能性有效载荷包括sirna、细胞毒性和分子制剂以及免疫检查点抑制剂。细菌omv通过其穿透物理屏障,实现肿瘤特异性靶向,激活免疫反应,克服癌症治疗耐药性的能力显示出独特的优势。一个成功的例子是基于omv的纳米平台,其中工程omv共同递送CD47-siRNA和阿霉素,通过诱导胶质母细胞瘤的免疫原性细胞死亡和树突状细胞活化来克服耐药性。此外,基于omv的癌症疫苗与肿瘤抗原一起呈递或与肿瘤源性膜杂交,可增强树突状细胞成熟和抗原特异性t细胞反应,逆转治疗耐药性。通过解决大规模生产和安全问题的挑战,基于omvs的平台可以发展成为更有效和个性化癌症治疗的强大工具。
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引用次数: 0
Defining homologous recombination deficiency status in pancreatic ductal adenocarcinoma: Clinical implications for evaluating response to platinum chemotherapy 定义胰腺导管腺癌的同源重组缺乏状态:评价铂类化疗反应的临床意义
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-13 DOI: 10.1016/j.drup.2025.101291
Yanxia Wang , Fancheng Kong , Xiaohua Situ , Tiantian Yang , Tianqi Sun , Zhongpeng Xie , Pingling Wang , Yu Chen , Neng Jiang , Yu Dong , Zhaofan Luo , Zunfu Ke

Aims

Pancreatic ductal adenocarcinoma (PDAC) remains a daunting malignancy with limited therapeutic options; effective biomarkers are needed to improve its treatment decision-making. The aim of this study is to evaluate the role of homologous recombination deficiency (HRD) in assessing the response to platinum chemotherapy in PDAC.

Methods

A retrospective analysis was conducted on 264 patients diagnosed with PDAC. Tumor tissue samples were subjected to next-generation sequencing (NGS) to assess DNA damage repair (DDR) gene mutation landscape and HRD score. The integrated HRD score was calculated as the unweighted sum of loss of heterozygosity (LOH), telomeric allelic imbalance (TAI), and large-scale state transition (LST) scores. The associations between HRD status and clinical outcomes in patients receiving platinum treatment were systematically analyzed.

Results

Patients with BRCA1/2 biallelic loss-of-function (BILOF) status and/or an HRD score ≥ 42 were predefined as HRD-positive. According to this HRD status definition, 4.9 % (n = 13) of the 264 patients were identified as HRD-positive, identifying a broader population than using BRCA1/2 BILOF alone (1.9 %, n = 5). Patients with BRCA1/2 mutations (BRCA1/2 m), presented a lower frequency of alteration in genes related to non-homologous end joining (NHEJ) and mismatch repair (MMR) genes than those with BRCA1/2 wild-type (BRCA1/2 wt), with mutations observed in 46.15 % (6/13) of BRCA1/2 m versus 72.91 % (183/251) of BRCA1/2 wt patients. The median HRD score (23) in patients with DNA damage repair (DDR) gene BILOF mutations was notably higher than that in those with non-BILOF mutations in DDR genes (9). HRD-positive patients demonstrated markedly longer progression-free survival (PFS) (median PFS 44.1 months) than HRD-negative patients (median PFS 12.2 months) when the patients received first-line platinum-based adjuvant treatment (P = 0.035). Specifically, patients with BRCA1/2 BILOF exhibited a substantial clinical benefit from platinum therapy, with none of these patients experiencing disease progression or death during follow-up.

Conclusions

BRCA1/2 BILOF plays a crucial role in identifying PDAC patients for first-line platinum-based adjuvant treatment, and HRD positive status, defined by BRCA1/2 BILOF and/or an HRD score ≥ 42, broadens the pool of eligible patients, and helps avoid ineffective treatment due to intrinsic drug resistance.
目的:胰腺导管腺癌(PDAC)仍然是一种令人生畏的恶性肿瘤,治疗选择有限;需要有效的生物标志物来改善其治疗决策。本研究的目的是评估同源重组缺陷(HRD)在评估铂化疗对PDAC的反应中的作用。方法对264例确诊为PDAC的患者进行回顾性分析。对肿瘤组织样本进行新一代测序(NGS)以评估DNA损伤修复(DDR)基因突变景观和HRD评分。综合HRD得分计算为杂合性损失(LOH)、端粒等位基因失衡(TAI)和大规模状态转移(LST)得分的未加权总和。系统分析接受铂治疗的患者HRD状态与临床结果之间的关系。结果BRCA1/2双等位基因功能丧失(BILOF)状态和/或HRD评分≥ 42的患者被预定义为HRD阳性。根据这一HRD状态定义,264例患者中有4.9 % (n = 13)被确定为HRD阳性,比单独使用BRCA1/2 BILOF(1.9 %,n = 5)确定了更广泛的人群。BRCA1/2突变(brca1 / m)患者与BRCA1/2野生型(brca1 / wt)患者相比,非同源末端连接(NHEJ)和错配修复(MMR)基因相关基因的变异频率较低,BRCA1/2 m患者的突变率为46.15% %(6/13),而brca1 / wt患者的突变率为72.91 %(183/251)。DNA损伤修复(DDR)基因BILOF突变患者的中位HRD评分(23)明显高于DDR基因非BILOF突变患者(9)。当患者接受一线铂类辅助治疗时,hrd阳性患者的无进展生存期(PFS中位数为44.1个月)明显长于hrd阴性患者(PFS中位数为12.2个月)(P = 0.035)。具体而言,BRCA1/2 BILOF患者从铂治疗中表现出实质性的临床获益,这些患者在随访期间没有出现疾病进展或死亡。结论BRCA1/2 BILOF在确定PDAC患者是否需要一线铂类辅助治疗方面起着至关重要的作用,以BRCA1/2 BILOF和/或HRD评分≥ 42为标准的HRD阳性状态扩大了符合条件的患者范围,并有助于避免因内在耐药而导致治疗无效。
{"title":"Defining homologous recombination deficiency status in pancreatic ductal adenocarcinoma: Clinical implications for evaluating response to platinum chemotherapy","authors":"Yanxia Wang ,&nbsp;Fancheng Kong ,&nbsp;Xiaohua Situ ,&nbsp;Tiantian Yang ,&nbsp;Tianqi Sun ,&nbsp;Zhongpeng Xie ,&nbsp;Pingling Wang ,&nbsp;Yu Chen ,&nbsp;Neng Jiang ,&nbsp;Yu Dong ,&nbsp;Zhaofan Luo ,&nbsp;Zunfu Ke","doi":"10.1016/j.drup.2025.101291","DOIUrl":"10.1016/j.drup.2025.101291","url":null,"abstract":"<div><h3>Aims</h3><div>Pancreatic ductal adenocarcinoma (PDAC) remains a daunting malignancy with limited therapeutic options; effective biomarkers are needed to improve its treatment decision-making. The aim of this study is to evaluate the role of homologous recombination deficiency (HRD) in assessing the response to platinum chemotherapy in PDAC.</div></div><div><h3>Methods</h3><div>A retrospective analysis was conducted on 264 patients diagnosed with PDAC. Tumor tissue samples were subjected to next-generation sequencing (NGS) to assess DNA damage repair (DDR) gene mutation landscape and HRD score. The integrated HRD score was calculated as the unweighted sum of loss of heterozygosity (LOH), telomeric allelic imbalance (TAI), and large-scale state transition (LST) scores. The associations between HRD status and clinical outcomes in patients receiving platinum treatment were systematically analyzed.</div></div><div><h3>Results</h3><div>Patients with <em>BRCA1/2</em> biallelic loss-of-function (BILOF) status and/or an HRD score ≥ 42 were predefined as HRD-positive. According to this HRD status definition, 4.9 % (n = 13) of the 264 patients were identified as HRD-positive, identifying a broader population than using <em>BRCA1/2</em> BILOF alone (1.9 %, n = 5). Patients with <em>BRCA1/2</em> mutations (<em>BRCA1/2 </em><sup>m</sup>), presented a lower frequency of alteration in genes related to non-homologous end joining (NHEJ) and mismatch repair (MMR) genes than those with <em>BRCA1/2</em> wild-type (<em>BRCA1/2 </em><sup>wt</sup>), with mutations observed in 46.15 % (6/13) of <em>BRCA1/2 </em><sup>m</sup> versus 72.91 % (183/251) of <em>BRCA1/2 </em><sup>wt</sup> patients. The median HRD score (23) in patients with DNA damage repair (DDR) gene BILOF mutations was notably higher than that in those with non-BILOF mutations in DDR genes (9). HRD-positive patients demonstrated markedly longer progression-free survival (PFS) (median PFS 44.1 months) than HRD-negative patients (median PFS 12.2 months) when the patients received first-line platinum-based adjuvant treatment (<em>P</em> = 0.035). Specifically, patients with <em>BRCA1/2</em> BILOF exhibited a substantial clinical benefit from platinum therapy, with none of these patients experiencing disease progression or death during follow-up.</div></div><div><h3>Conclusions</h3><div><em>BRCA1/2</em> BILOF plays a crucial role in identifying PDAC patients for first-line platinum-based adjuvant treatment, and HRD positive status, defined by <em>BRCA1/2</em> BILOF and/or an HRD score ≥ 42, broadens the pool of eligible patients, and helps avoid ineffective treatment due to intrinsic drug resistance.</div></div>","PeriodicalId":51022,"journal":{"name":"Drug Resistance Updates","volume":"83 ","pages":"Article 101291"},"PeriodicalIF":21.7,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144879766","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
EMT and cancer stem cells: Drivers of therapy resistance and promising therapeutic targets EMT和癌症干细胞:治疗耐药的驱动因素和有希望的治疗靶点
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-07-17 DOI: 10.1016/j.drup.2025.101276
Mingyang Jiang , Jinlong Wang , Yize Li , Ke Zhang , Tao Wang , Zhandong Bo , Shenyi Lu , Raquel Alarcón Rodríguez , Ruqiong Wei , Mingtao Zhu , Christophe Nicot , Gautam Sethi
Cancer continues to be a primary cause of death, resulting in substantial mortality and illness globally. It remains a significant global health issue, greatly affecting morbidity and mortality across the world. Therapeutic resistance poses a major challenge to cancer treatments, acting as a significant barrier to the effectiveness of both standard and targeted therapies. This resistance develops through various mechanisms that allow tumor cells to adapt to and escape the damaging effects of chemotherapy, radiation, and targeted therapies. Ultimately, this leads to disease recurrence and progression. This review examines the dual roles of epithelial-mesenchymal transition (EMT) and cancer stem cells (CSCs) in promoting chemoresistance and metastasis. EMT is a dynamic and reversible biological process in which epithelial cells acquire mesenchymal characteristics, increasing their invasiveness and resistance to programmed cell death. CSCs are a subset of cancer cells with the ability to self-renew and play a crucial role in tumor relapse and resistance to treatment. EMT and CSCs are closely interconnected, collaboratively enhancing cancer cell plasticity, metastatic ability, and treatment resistance. The initiation of EMT in cancer cells can generate a CSC-like population, which promotes tumor recurrence and spread. This interaction highlights the importance of targeting both EMT and CSC pathways to develop more effective treatment strategies that address treatment resistance and prevent metastasis. Promising approaches include using natural substances, small molecules, and nanotechnology to block critical signaling pathways and interfere with resistance mechanisms. A more thorough understanding of the molecular factors underlying EMT and CSC plasticity is crucial for crafting personalized treatments that target tumor heterogeneity and improve clinical outcomes.
癌症仍然是造成死亡的主要原因,在全球造成大量死亡和疾病。它仍然是一个重大的全球健康问题,极大地影响着世界各地的发病率和死亡率。治疗耐药性是癌症治疗面临的主要挑战,是标准治疗和靶向治疗有效性的重要障碍。这种耐药性通过各种机制发展,使肿瘤细胞适应并逃避化疗、放疗和靶向治疗的破坏性影响。最终,这将导致疾病的复发和进展。本文综述了上皮-间质转化(epithelial-mesenchymal transition, EMT)和肿瘤干细胞(cancer stem cells, CSCs)在促进化疗耐药和转移中的双重作用。EMT是一个动态和可逆的生物学过程,上皮细胞获得间质特性,增加其侵袭性和对程序性细胞死亡的抵抗力。CSCs是癌细胞的一个子集,具有自我更新的能力,在肿瘤复发和治疗抵抗中起着至关重要的作用。EMT和CSCs紧密相连,共同增强癌细胞的可塑性、转移能力和治疗耐药性。在癌细胞中启动EMT可以产生csc样群体,促进肿瘤复发和扩散。这种相互作用强调了靶向EMT和CSC途径的重要性,以开发更有效的治疗策略,解决治疗耐药性和预防转移。有希望的方法包括使用天然物质、小分子和纳米技术来阻断关键的信号通路并干扰耐药性机制。更深入地了解EMT和CSC可塑性背后的分子因素对于制定针对肿瘤异质性和改善临床结果的个性化治疗至关重要。
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引用次数: 0
Erratum to “A highly potent small-molecule antagonist of exportin-1 selectively eliminates CD44+ CD24- enriched breast cancer stem-like cells” [Drug Resist. Updates 66 (2023) 100903] “一种高效的export -1小分子拮抗剂选择性地消除CD44+ CD24富集的乳腺癌干细胞”[Drug resistance]的勘误。更新66(2023)100903]。
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-09-04 DOI: 10.1016/j.drup.2025.101297
Caigang Liu , Yixiao Zhang , Jiujiao Gao , Qi Zhang , Lisha Sun , Qingtian Ma , Xinbo Qiao , Xinnan Li , Jinchi Liu , Jiawen Bu , Zhan Zhang , Ling Han , Dongyu Zhao , Yongliang Yang
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引用次数: 0
The role of synthetic lethality in overcoming cancer therapy resistance: Emerging paradigm and recent advances. 合成致死率在克服癌症治疗耐药中的作用:新兴范式和最新进展。
IF 21.7 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-11-01 Epub Date: 2025-08-07 DOI: 10.1016/j.drup.2025.101290
Qingyi Xiong, Jinmei Jin, Jiayi Lin, Bohan Zhang, Yixin Jiang, Zhe Sun, Lijun Zhang, Ye Wu, Guozhi Zhao, Jiang-Jiang Qin, Xin Luan

Cancer therapy resistance remains a major barrier to successful treatment, often leading to reduced clinical efficacy or cancer relapse. Synthetic lethality (SL) has emerged as a promising strategy to exploit genetic vulnerabilities in cancer cells, allowing for more selective and less toxic therapies. By leveraging the genetic or non-genetic adaptations that cancer cells develop under therapeutic pressure, SL-based therapies provide a more precise and less toxic treatment approach. Additionally, SL-driven drug combinations not only delay development of drug resistance but also enhance therapeutic efficacy, representing a transformative shift in cancer management. A comprehensive understanding of SL mechanisms in the context of drug resistance is essential for advancing effective treatment strategies. This review highlights recent advances in SL research, emphasizing the gene screening techniques in overcoming cancer therapy resistance.

癌症治疗耐药性仍然是成功治疗的主要障碍,往往导致临床疗效降低或癌症复发。合成致死性(SL)已成为利用癌细胞遗传脆弱性的一种很有前途的策略,允许更有选择性和更少毒性的治疗。通过利用癌细胞在治疗压力下产生的遗传或非遗传适应性,基于sl的治疗提供了一种更精确、毒性更小的治疗方法。此外,sl驱动的药物组合不仅延缓了耐药性的发展,而且提高了治疗效果,代表了癌症管理的革命性转变。在耐药背景下,全面了解SL机制对于推进有效的治疗策略至关重要。本文综述了SL研究的最新进展,重点介绍了基因筛选技术在克服肿瘤治疗耐药中的应用。
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引用次数: 0
A covalent gambit: An irreversible inhibitor to checkmate drug resistance in tuberculosis 一种共价策略:一种不可逆的抑制结核病耐药性的抑制剂
IF 24.3 1区 医学 Q1 PHARMACOLOGY & PHARMACY Pub Date : 2025-10-09 DOI: 10.1016/j.drup.2025.101314
Chunxia Jiang, Dan Wang, Liujun Xu
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引用次数: 0
期刊
Drug Resistance Updates
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