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Targeting lncRNA16 by GalNAc-siRNA conjugates facilitates chemotherapeutic sensibilization via the HBB/NDUFAF5/ROS pathway

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Science china(Life Sciences) 2024年第4期67卷 663-679页

作者： Yanfang Liu Yan Wang Bing Liu Wenzhong Liu Yuanyuan Ma Yiren Cao Shi Yan Panpan Zhang Lixin Zhou Qimin Zhan Nan Wu key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of Thoracic Surgery IIPeking University Cancer Hospital and InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Laboratory of Molecular OncologyPeking University Cancer Hospital and InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of Thoracic Oncology IIPeking University Cancer Hospital and InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education) Department of PathologyPeking University Cancer Hospital and InstituteBeijing 100142China Peking University International cancer Institute Beijing 100191China Institute of cancer Research Shenzhen Bay LaboratoryShenzhen 518132China

Chemoresistance is a significant barrier to effective cancer *** mechanisms for chemoresistance include reactive oxygen species(ROS)accumulation and expression of chemoresistance-promoting ***,we report a novel function of lncRNA16 in the inhibition of ROS generation and the progression of *** analyzing the serum levels of lncRNA16 in a cohort of 35 patients with non-small cell lung cancer(NSCLC)and paired serum samples pre-and post-treatment from 10 NSCLC patients receiving neoadjuvant platinum-based chemotherapy,performing immunohistochemistry(IHC)assays on 188 NSCLC tumor samples,using comprehensive identification of RNA-binding proteins by mass spectrometry(ChIRP-MS)assays,as well as RNA immunoprecipitation(RIP)and RNA pull-down analyses,we discovered that patients with increased serum levels of lncRNA16 exhibited a poor response to platinum-based *** expression of hemoglobin subunit beta(HBB)and NDUFAF5 significantly increases with the development of ***16 binds to HBB and promotes HBB accumulation by inhibiting ***16 can also inhibit ROS generation via the HBB/NDUFAF5 axis and function as a scaffold to facilitate the colocalization of HBB and NDUFAF5 in the ***,preclinical studies in mouse models of chemo-resistant NSCLC have suggested that lncRNA16 targeting by trivalent N-acetylgalactosamine(GalNAc)-conjugated siRNA restores chemosensitivity and results in tumor growth inhibition with no detectable toxicity in ***,lncRNA16 is a promising therapeutic target for overcoming chemoresistance,and the combination of first-line platinum-based chemotherapy with lncRNA16 intervention can substantially enhance anti-tumor efficacy.

关键词： chemoresistance lncRNARNA interference ROs chemosensitizer

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Ferroptosis:a critical mechanism of N^(6)-methyladenosine modification involved in carcinogenesis and tumor progression

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Science china(Life Sciences) 2024年第6期67卷 1119-1132页

作者： Qingqing Wei Changning Xue Mengna Li Jianxia Wei Lemei Zheng Shipeng Chen Yumei Duan Hongyu Deng Faqing Tang Wei Xiong Ming Zhou NHC key laboratory of carcinogenesis Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangsha 410013China cancer Research Institute and School of Basic Medical Sciences Central South UniversityChangsha 410078China The key laboratory of carcinogenesis and cancer invasion of the Chinese ministry of education Central South UniversityChangsha 410078China Hunan key laboratory of Oncotarget Gene Hunan Key Laboratory of Cancer MetabolismHunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangsha 410013China

Ferroptosis is an iron-dependent regulatory cell necrosis induced by iron overload and lipid *** occurs when multiple redoxactive enzymes are ectopically expressed or show abnormal ***,the precise regulation of ferroptosis-related molecules is mediated across multiple levels,including transcriptional,posttranscriptional,translational,and epigenetic levels.N^(6)-methyladenosine(m^(6)A)is a highly evolutionarily conserved epigenetic modification in *** m^(6)A modification is commonly linked to tumor proliferation,progression,and therapy resistance because it is involved in RNA metabolic ***,accumulating evidence suggests that dysregulated ferroptosis caused by the m^(6)A modification drives tumor *** this review,we summarized the roles of m^(6)A regulators in ferroptosis-mediated malignant tumor progression and outlined the m^(6)A regulatory mechanism involved in ferroptosis *** also analyzed the potential value and application strategies of targeting m^(6)A/ferroptosis pathway in the clinical diagnosis and therapy of tumors.

关键词： ferroptosis m6A modification RNA methylation m^(6)A regulator tumor progression

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Value of multiple models of diffusion-weighted imaging to predict hepatic lymph node metastases in colorectal liver metastases patients

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World Journal of Gastroenterology 2024年第4期30卷 308-317页

作者： Hai-Bin Zhu Bo Zhao Xiao-Ting Li Xiao-Yan Zhang Qian Yao Ying-Shi Sun key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of RadiologyPeking University Cancer Hospital and InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of PathologyPeking University Cancer Hospital and InstituteBeijing 100142China

BACKGROUND About 10%-31% of colorectal liver metastases(CRLM)patients would concomitantly show hepatic lymph node metastases(LNM),which was considered as sign of poor biological behavior and a relative contraindication for liver *** to now,there’s still lack of reliable preoperative methods to assess the status of hepatic lymph nodes in patients with CRLM,except for pathology examination of lymph node after *** To compare the ability of mono-exponential,bi-exponential,and stretchedexponential diffusion-weighted imaging(DWI)models in distinguishing between benign and malignant hepatic lymph nodes in patients with CRLM who received neoadjuvant chemotherapy prior to *** In this retrospective study,97 CRLM patients with pathologically confirmed hepatic lymph node status underwent magnetic resonance imaging,including DWI with ten b values before and after *** parameters,such as the apparent diffusion coefficient from the mono-exponential model,and the true diffusion coefficient,the pseudo-diffusion coefficient,and the perfusion fraction derived from the intravoxel incoherent motion model,along with distributed diffusion coefficient(DDC)andαfrom the stretched-exponential model(SEM),were *** parameters before and after chemotherapy were compared between positive and negative hepatic lymph node groups.A nomogram was constructed to predict the hepatic lymph node *** reliability and agreement of the measurements were assessed using the coefficient of variation and intraclass correlation *** Multivariate analysis revealed that the pre-treatment DDC value and the short diameter of the largest lymph node after treatment were independent predictors of metastatic hepatic lymph nodes.A nomogram combining these two factors demonstrated excellent performance in distinguishing between benign and malignant lymph nodes in CRLM patients,with an area under the curve of ***,parameters from SEM sho

关键词： Colorectal cancer Individualized treatment Diffusion magnetic resonance imaging Intravoxel incoherent motion Liver

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Helicobacter pylori and immunotherapy for gastrointestinal cancer

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The Innovation 2024年第2期5卷 51-60页

作者： Keren Jia Yang Chen Yi Xie Xicheng Wang Yajie Hu Yu Sun Yanshuo Cao Liyan Zhang Yakun Wang Zhenghang Wang Zhihao Lu Jian Li Xiaotian Zhang Lin Shen key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of Gastrointestinal OncologyPeking University Cancer Hospital&InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education/Beijing) Department of PathologyPeking University Cancer Hospital&InstituteBeijing 100142China

Helicobacter pylori infection is associated with the risk of gastrointestinal(GI)cancers;however,its impact on immunotherapy for GI cancers remains *** this study,we included 10,122 patients who underwent ^(13)C-urea breath *** 636 patients with Epstein-Barr virus–negative microsatellite-stable gastric cancer(GC)who were treated with anti-PD-1/PD-L1 therapy,***–positive patients exhibited significantly longer immune-related progression-free survival(irPFS)compared with ***–negative patients(6.97 months versus 5.03 months,pcancer and pancreatic cancer *** summary,our findings supported that *** infection is a beneficial factor for GC immunotherapy by shaping hot tumor ***,in dMMR/MSI-H colorectal adenocarcinoma and ESCC patients,*** adversely affects the efficacy of immunothera

关键词： immunotherapy gastrointestinal pylori

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Nab-paclitaxel plus capecitabine as first-line treatment for advanced biliary tract cancers:An open-label,non-randomized,phase II clinical trial

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World Journal of Gastroenterology 2024年第30期30卷 3564-3573页

作者： Ling-Xiao Xu Jia-Jia Yuan Ran Xue Jun Zhou Department of Gastrointestinal Oncology Key Laboratory of Carcinogenesis and Translational Research(Ministry of Education/Beijing)Peking University Cancer Hospital and InstituteBeijing 100142China

BACKGROUND Biliary tract cancers(BTCs)are a heterogeneous group of tumors with high malignancy,poor prognosis,and limited treatment *** To explore the efficacy and safety of nab-paclitaxel plus capecitabine as first-line treatment for advanced and metastatic *** This open-label,non-randomized,double-center,phase II clinical trial recruited systemic therapy-naive patients with unresectable or metastatic BTCs between April 2019 and June 2022 at Beijing cancer Hospital and the First Hospital of china Medical *** patients were administered nab-paclitaxel(150 mg/m2,day 1)and capecitabine(2000 mg/m2,twice daily,days 1-7)in 14-day cycles until experiencing intolerable toxicity or disease *** primary outcome was the objective response rate(ORR).The secondary outcomes included the disease control rate(DCR),overall survival(OS),progression-free survival(PFS),and *** A total of 44 patients successfully completed the trial,with a median age of 64.00 years(interquartile range,35.00-76.00),and 26(59.09%)were *** response assessment was impeded for one patient due to premature demise from tumor *** the remaining 43 patients undergoing at least one imaging assessment,the ORR was 23.26%[95%confidence interval(CI):11.80%-38.60%],and the DCR was 69.77%(95%CI:53.90%-82.80%).The median OS was 14.1 months(95%CI:8.3-19.9),and the median PFS was 4.4 months(95%CI:2.5-6.3).A total of 41 patients(93.18%)experienced at least one adverse event(AE),with 10 patients(22.73%)encountering grade≥3 AEs,and the most frequent AEs of any grade were alopecia(79.50%),leukopenia(54.55%),neutropenia(52.27%),and liver dysfunction(40.91%),and no treatment-related deaths were *** Nab-paclitaxel plus capecitabine may be an effective and safe first-line treatment strategy for patients with advanced or metastatic BTCs.

关键词： Nab-paclitaxel Capecitabine Biliary tract cancer Objective response rate Phase II clinical trial

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Reducing the global cancer burden with gastrointestinal screening: china's 30 years practice

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cancer Biology & Medicine 2024年第3期21卷 204-212页

作者： Lei Yang Li Feng Yong Zhu Ning Wang Xinpu Lu Fanghui Gu Xiaotian Zhang Jiafu Ji Peking University cancer Hospital(Inner Mongolia Campus)/Affiliated cancer Hospital of Inner Mongolia Medical University Inner Mongolia Cancer CenterHohhot 010020China key laboratory of carcinogenesis and Translational Research(ministry of education/Bejing) Bejing Office for Cancer Prevention and ControlPeking University Cancer Hospital&InstituteBejing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education) Peking University Cancer Hospital&InstituteBeijing 100142China key laboratory of carcinogenesis and Translational Research(ministry of education/Bejing) Department of Gastrointestinal OncologyPeking University Cancer Hospital&InstituteBeijing 100142China State key laboratory of Holistic Integrative Management of Gastrointestinal cancers Bejing Key Laboratory of Carcinogenesis and Translational ResearchGastrointestinal Cancer CenterPeking University Cancer Hospital&InstituteBeijing 100142China

Gastrointestinal(GI) cancers include esophageal [EC(International Classification of Disease 10^(th) revision: C15)], gastric [GC(C16)], and colorectal [CRC(C18-C21)] cancers. china is a high-incidence country of GI ca... 详细信息

关键词： esophageal colorectal gastrointestinal

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Role of adhesion molecules in cancer and targeted therapy

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Science china(Life Sciences) 2024年第5期67卷 940-957页

作者： Chunmei Fan Fang Xiong Shanshan Zhang Zhaojian Gong Qianjin Liao Guiyuan Li Can Guo Wei Xiong He Huang Zhaoyang Zeng NHC key laboratory of carcinogenesis and Hunan key laboratory of cancer Metabolism Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of MedicineCentral South UniversityChangsha 410000China Department of Histology and Embryology Xiangya School of MedicineCentral South UniversityChangsha410013China Department of Stomatology Xiangya HospitalCentral South UniversityChangsha 410078China Department of Oral and Maxillofacial Surgery The Second Xiangya HospitalCentral South UniversityChangsha 410011China key laboratory of carcinogenesis and cancer invasion of the Chinese ministry of education Cancer Research InstituteCentral South UniversityChangsha 410078China

Adhesion molecules mediate cell-to-cell and cell-to-extracellular matrix interactions and transmit mechanical and chemical signals among *** mechanisms deregulate adhesion molecules in cancer,enabling tumor cells to proliferate without restraint,invade through tissue boundaries,escape from immune surveillance,and survive in the tumor *** studies have revealed that adhesion molecules also drive angiogenesis,reshape metabolism,and are involved in stem cell *** this review,we summarize the functions and mechanisms of adhesion molecules in cancer and the tumor microenvironment,as well as the therapeutic strategies targeting adhesion *** studies have implications for furthering our understanding of adhesion molecules in cancer and providing a paradigm for exploring novel therapeutic approaches.

关键词： adhesion molecules tumor microenvironment invasion and metastasis reshaping metabolism angiogenesis immune evasion tumor stemness therapeutic strategy

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Chronic stress as an emerging risk factor for the development and progression of glioma

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Chinese Medical Journal 2024年第4期137卷 394-407页

作者： Lan Yi Xiang Lin Xiaoling She Wei Gao Minghua Wu Institute of Cytology and Genetics The Hengyang Key Laboratory of Cellular Stress BiologyHunan Province Cooperative Innovation Center for Molecular Target New Drug StudyHengyang Medical SchoolUniversity of South ChinaHengyangHunan 421001China Department of Pathology The Second Xiangya HospitalCentral South UniversityChangshaHunan 410011China key laboratory of carcinogenesis and cancer invasion of ministry of education Cancer Research InstituteCentral South UniversityChangshaHunan 410008China NHC key laboratory of carcinogenesis Xiangya HospitalCentral South UniversityChangshaHunan 410008China

Gliomas tend to have a poor prognosis and are the most common primary malignant tumors of the central nervous *** with patients with other cancers,glioma patients often suffer from increased levels of psychological stress,such as anxiety and *** stress(CS)is thought to impact glioma ***,because of the complex mechanisms underlying CS and variability in individual tolerance,the role of CS in glioma remains *** review suggests a new proposal to redivide the stress system into two *** activity is dominant ***-signaling molecules produced by the neuroendocrine system are dominant *** discuss the underlying molecular mechanisms by which CS impacts *** pharmacological treatments are also summarized from the therapeutic perspective of CS.

关键词： Chronic stress Glioma Microbiota-gut-brain axis Neuroendocrine system Stress system Neural circuit

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Advances in MET tyrosine kinase inhibitors in gastric cancer

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cancer Biology & Medicine 2024年第6期21卷 484-498页

作者： Yifan Zhang Lin Shen Zhi Peng key laboratory of carcinogenesis and Translational Research(ministry of education) Department of Gastrointestinal OncologyPeking University Cancer Hospital&InstituteBeijing 100142China State key laboratory of Holistic Integrative Management of Gastrointestinal cancers Beijing Key Laboratory of Carcinogenesis and Translational ResearchDepartment of Gastrointestinal OncologyPeking University Cancer Hospital&InstituteBeijing 100142China

Gastric cancer is among the most frequently occurring cancers and a leading cause of cancer-related deaths *** gastric cancer is highly heterogenous and comprised of different subtypes with distinct molecular and clinical characteristics,the management of gastric cancer calls for better-defined,biomarker-guided,molecular-based treatment *** is a receptor tyrosine kinase mediating important physiologic processes,such as embryogenesis,tissue regeneration,and wound ***,mounting evidence suggests that aberrant MET pathway activation contributes to tumour proliferation and metastasis in multiple cancer types,including gastric cancer,and is associated with poor patient *** such,MET-targeting therapies are being actively developed and promising progress has been demonstrated,especially with MET tyrosine kinase *** review aims to briefly introduce the role of MET alterations in gastric cancer and summarize in detail the current progress of MET tyrosine kinase inhibitors in this disease area with a focus on savolitinib,tepotinib,capmatinib,and *** on current knowledge,this review further discusses existing challenges in MET alterations testing,possible resistance mechanisms to MET inhibitors,and future directions of MET-targeting therapies.

关键词： Gastric cancer MET alterations MET tyrosine kinase inhibitors savolitinib MET testing

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Roles of THEM4 in the Akt pathway:a double-edged sword

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2024年第7期25卷 541-556页

作者： Wen XIE Weidong LIU Lei WANG Bin ZHU Cong ZHAO Ziling LIAO Yihan LI Xingjun JIANG Jie LIU Caiping REN NHC key laboratory of carcinogenesis Department of NeurosurgeryXiangya HospitalCentral South UniversityChangsha 410008China National Clinical Research Center for Geriatric Disorders Xiangya HospitalCentral South UniversityChangsha 410008China The key laboratory of carcinogenesis and cancer invasion of the ministry of education Cancer Research InstituteSchool of Basic Medical ScienceCentral South UniversityChangsha 410078China Department of Critical Care Medicine Hainan Hospital of Chinese PLA General HospitalHainan Province Clinical Medical CenterSanya 572013China

The protein kinase B(Akt)pathway can regulate the growth,proliferation,and metabolism of tumor cells and stem cells through the activation of multiple downstream target genes,thus affecting the development and treatment of a range of *** superfamily member 4(THEM4),a member of the thioesterase superfamily,is one of the Akt kinase-binding *** studies on the mechanism of cancers and other diseases have shown that THEM4 binds to Akt to regulate its ***,THEM4 was considered an endogenous inhibitor of Akt,which can inhibit the phosphorylation of Akt in diseases such as lung cancer,pancreatic cancer,and liver cancer,but subsequently,THEM4 was shown to promote the proliferation of tumor cells by positively regulating Akt activity in breast cancer and nasopharyngeal carcinoma,which contradicts previous *** these two distinct views,this review summarizes the important roles of THEM4 in the Akt pathway,focusing on THEM4 as an Akt-binding protein and its regulatory relationship with Akt phosphorylation in various diseases,especially *** work provides a better understanding of the roles of THEM4 combined with Akt in the treatment of diseases.

关键词： Protein kinase B(Akt) Thioesterase superfamily member 4(THEM4) Tumor proliferation Tumor metastasis

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