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Somatic CDKN2A copy number variations are associated with the prognosis of esophageal squamous cell dysplasia

中华医学杂志(英文版) 2024年第8期137卷 980-989页

作者： Fan Zhiyuan Zhou Jing Tian Yuan Qin Yu Liu Zhaojun Gu Liankun Dawsey Sanford M. Wei Wenqiang Deng Dajun Division of cancer Epidemiology and Genetics National cancer institute Bethesda MD USA National Central cancer Registry National cancer Center/National Clinical research Center for cancer/cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing 100021 China Key Laboratory of Carcinogenesis and Translational research (MOE/Beijing) Division of Etiology Peking University cancer Hospital and institute Beijing 100142

Background: Somatic copy number variations (SCNVs) in theCDKN2A gene are among the most frequent events in the dysplasia-carcinoma sequence of esophageal squamous cell carcinoma. However, whetherCDKN2A SCNVs are useful biomarkers for the risk stratification and management of patients with esophageal squamous cell dysplasia (ESCdys) is unknown. This study aimed to investigate the characteristics and prognostic value ofCDKN2A SCNVs in patients with mild or moderate (m/M) ESCdys.Methods: This study conducted a prospective multicenter study of 205 patients with a baseline diagnosis of m/M ESCdys in five high-risk regions of China (Ci County, Hebei Province; Yanting, Sichuan Province; Linzhou, Henan Province; Yangzhong, Jiangsu Province; and Feicheng, Shandong Province) from 2005 to 2019. Genomic DNA was extracted from paraffin biopsy samples and paired peripheral white blood cells from patients, and a quantitative polymerase chain reaction assay, P16-Light, was used to detectCDKN2A copy number. The cumulative regression and progression rates of ESCdys were evaluated using competing risk models.Results: A total of 205 patients with baseline m/M ESCdys were enrolled. The proportion of ESCdys regression was significantly lower in theCDKN2A deletion cohort than in the diploid and amplification cohorts (18.8% [13/69]vs. 35.0% [28/80]vs. 51.8% [29/56],P <0.001). In the univariable competing risk analysis, the cumulative regression rate was statistically significantly lower (P = 0.008), while the cumulative progression rate was higher (P = 0.017) in ESCdys patients withCDKN2A deletion than in those withoutCDKN2A deletion.CDKN2A deletion was also an independent predictor of prognosis in ESCdys (P = 0.004) in the multivariable analysis.Conclusion: The results indicated thatCDKN2A SCNVs are associated with the prognosis of ESCdys and may serve as potential biomarkers for risk stratification.

关键词： CDKN2A Somatic copy number variations Esophageal squamous cell carcinoma Esophageal neoplasms Squamous intraepithelial lesions DNA copy number variations Prognosis Prospective study

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Magnetic resonance imaging-based lymph node radiomics for predicting the metastasis of evaluable lymph nodes in rectal cancer

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World Journal of Gastrointestinal Oncology 2024年第5期16卷 1849-1860页

作者： Yong-Xia Ye Liu Yang Zheng Kang Mei-Qin Wang Xiao-Dong Xie Ke-Xin Lou Jun Bao Mei Du Zhe-Xuan Li Department of Radiology The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina Department of Colorectal Surgery Jiangsu Cancer Hospital and Jiangsu Institute of Cancer Research and The Affiliated Cancer Hospital of Nanjing Medical UniversityNanjing 210000Jiangsu ProvinceChina1 Department of Pathology The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina Colorectal Center The Affiliated Cancer Hospital of Nanjing Medical University&Jiangsu Cancer Hospital&Jiangsu Institute of Cancer ResearchNanjing 210011Jiangsu ProvinceChina

BACKGROUND Lymph node(LN)staging in rectal cancer(RC)affects treatment decisions and patient prognosis.For radiologists,the traditional preoperative assessment of LN metastasis(LNM)using magnetic resonance imaging(MRI)poses a challenge.AIM To explore the value of a nomogram model that combines Conventional MRI and radiomics features from the LNs of RC in assessing the preoperative metastasis of evaluable LNs.METHODS In this retrospective study,270 LNs(158 nonmetastatic,112 metastatic)were randomly split into training(n=189)and validation sets(n=81).LNs were classified based on pathology-MRI matching.Conventional MRI features[size,shape,margin,T2-weighted imaging(T2WI)appearance,and CE-T1-weighted imaging(T1WI)enhancement]were evaluated.Three radiomics models used 3D features from T1WI and T2WI images.Additionally,a nomogram model combining conventional MRI and radiomics features was developed.The model used univariate analysis and multivariable logistic regression.Evaluation employed the receiver operating characteristic curve,with DeLong test for comparing diagnostic performance.Nomogram performance was assessed using calibration and decision curve analysis.RESULTS The nomogram model outperformed conventional MRI and single radiomics models in evaluating LNM.In the training set,the nomogram model achieved an area under the curve(AUC)of 0.92,which was significantly higher than the AUCs of 0.82(P<0.001)and 0.89(P<0.001)of the conventional MRI and radiomics models,respectively.In the validation set,the nomogram model achieved an AUC of 0.91,significantly surpassing 0.80(P<0.001)and 0.86(P<0.001),respectively.CONCLUSION The nomogram model showed the best performance in predicting metastasis of evaluable LNs.

关键词： Radiomics Lymph node metastasis Rectal cancer Magnetic resonance imaging

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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 treatment.Potential mechanisms for chemoresistance include reactive oxygen species(ROS)accumulation and expression of chemoresistance-promoting genes.Here,we report a novel function of lncRNA16 in the inhibition of ROS generation and the progression of chemoresistance.By 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 chemotherapy.The expression of hemoglobin subunit beta(HBB)and NDUFAF5 significantly increases with the development of chemoresistance.LncRNA16 binds to HBB and promotes HBB accumulation by inhibiting autophagy.LncRNA16 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 mitochondria.Importantly,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 vivo.Overall,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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Expression of cyclin-dependent kinase 9 is positively correlated with the autophagy level in colon cancer

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 314-330页

作者： Lei Zheng Jia Lu Da-Lu Kong Department of Colorectal cancer Surgery National Clinical Research Center for CancerKey Laboratory of Cancer Immunology and Biotherapy of TianjinTianjin Key Laboratory of Digestive CancerKey Laboratory of Cancer Prevention and Therapy of TianjinTianjin’s Clinical Research Center for CancerTianjin Medical University Cancer Institute and HospitalTianjin 300060China Department of Infection Management National Clinical Research Center for CancerKey Laboratory of Cancer Immunology and Biotherapy of TianjinTianjin Key Laboratory of Digestive CancerKey Laboratory of Cancer Prevention and Therapy of TianjinTianjin’s Clinical Research Center for CancerTianjin Medical University Cancer Institute and HospitalTianjin 300060China

BACKGROUND Cyclin-dependent kinase 9(CDK9)expression and autophagy in colorectal cancer(CRC)tissues has not been widely studied.CDK9,a key regulator of transcription,may influence the occurrence and progression of CRC.The expression of auto-phagy-related genes BECN1 and drug resistance factor ABCG2 may also play a role in CRC.Under normal physiological conditions,autophagy can inhibit tumorigenesis,but once a tumor forms,autophagy may promote tumor growth.Therefore,understanding the relationship between autophagy and cancer,partic-ularly how autophagy promotes tumor growth after its formation,is a key motivation for this research.AIM To investigate the relationship between CDK9 expression and autophagy in CRC,assess differences in autophagy between left and right colon cancer,and analyze the associations of autophagy-related genes with clinical features and prognosis.METHODS We collected tumor tissues and paracarcinoma tissues from colon cancer patients with liver metastasis to observe the level of autophagy in tissues with high levels of CDK9 and low levels of CDK9.We also collected primary tissue from left and right colon cancer patients with liver metastasis to compare the autophagy levels and the expression of BECN1 and ABCG2 in the tumor and paracarcinoma tissues.RESULTS The incidence of autophagy and the expression of BECN1 and ABCG2 were different in left and right colon cancer,and autophagy might be involved in the occurrence of chemotherapy resistance.Further analysis of the rela-tionship between the expression of autophagy-related genes CDK9,ABCG2,and BECN1 and the clinical features and prognosis of colorectal cancer showed that the high expression of CDK9 indicated a poor prognosis in colorectal cancer.CONCLUSION This study laid the foundation for further research on the combination of CDK9 inhibitors and autophagy inhibitors in the treatment of patients with CRC.

关键词： Autophagy Tumorigenesis Tumor tissue Paracarcinoma tissue Expression Left/right colon cancer

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Gastric cancer secreted miR 214-3p inhibits the anti-angiogenesis effect of apatinib by suppressing ferroptosis in vascular endothelial cells

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Oncology research 2024年第3期32卷 489-502页

作者： WEIXUE WANG TONGTONG WANG YAN ZHANG TING DENG HAIYANG ZHANG YI BA Department of GI Medical Oncology Tanjin Medical University Cancer Institute and HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerTianjin Key Iaboratory of Digestive CancerKey Laboratory of Cancer Prevention and TherapyTianjin300060China

Diferent from necrosis,apoptosis,autophagy and other forms of cell death,ferroptosis is a mechanism that catalyzes lipid peroxidation of polyunsaturated ftty acids under the action of iron divalent or lipoxygenase,leading to cell death.Apatinib is currently used in the third line standard treatment of advanced gastric cancer,targeting the anti-angiogenesis pathway.However,Apatinib mediated ferroptosis in vascular endothelial cells has not been reported yet.Tumor.secreted exosomes can be taken up into target cells to regulate tumor development,but the mechanism related to vascular endothelial cell ferroptosis has not yet been discovered.Here,we show that exosomes secreted by gastric cancer cells carry miR-214.3p into vascular endothelial cells and directdy target zinc finger protein A20 to negatively regulate ACSL4,a key enzyme of lipid peroxidation during frroptosis thereby inhibiting ferroptosis in vascular endothelial cells and reducing the eficiency of Apatinib.In conclusion,inhibition of miR-214-3p can increase the sensitivity of vascular endothelial cells to Apatinib,thereby promoting the antiangiogenic efect of Apatinib,suggesting a potential combination therapy for advanced gastric cancer.

关键词： Cellular ferroptosis Exosome Tyrosine kinase inhibitor Gastrointestinal tumors miRNA

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AKT2^(S128)/CCTα^(S315/319/323)-positive cancer-associated fibroblasts (CAFs) mediate focal adhesion kinase (FAK) inhibitors resistance via secreting phosphatidylcholines (PCs)

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Signal Transduction and Targeted Therapy 2024年第2期9卷 782-796页

作者： Jie Chen Lingyuan Zhang Yuheng Zhu Di Zhao Jing Zhang Yanmeng Zhu Jingyuan Pang Yuanfan Xiao Qingnan Wu Yan Wang Qimin Zhan Key Laboratory of Carcinogenesis and Translational research(Ministry of Education/Beijing) Laboratory of Molecular OncologyPeking University Cancer Hospital&Institute100142 BeijingChina Peking University International cancer institute Peking University100191 BeijingChina research Unit of Molecular cancer research Chinese Academy of Medical SciencesBeijingChina Soochow University cancer institute Suzhou 215000China institute of cancer research Shenzhen Bay LaboratoryShenzhen 518107China

Abnormal metabolism is regarded as an oncogenic hallmark related to tumor progression and therapeutic resistance.Present study employed multi-omics,including phosphoproteomics,untargeted metabolomics and lipidomics,to demonstrate that the pAKT2 Ser128 and pCCTαSer315/319/323-positive cancer-associated fibroblasts(CAFs)substantially release phosphatidylcholines(PCs),contributing to the resistance of focal adhesion kinase(FAK)inhibitors in esophageal squamous cell carcinoma(ESCC)treatment.Additionally,we observed extremely low levels of FAK Tyr397 expression in CAFs,potentially offering no available target for FAK inhibitors playing their anti-growth role in CAFs.Consequently,FAK inhibitor increased the intracellular concentration of Ca2+in CAFs,promoting the formation of AKT2/CCTαcomplex,leading to phosphorylation of CCTαSer315/319/323 sites and eventually enhancing stromal PC production.This activation could stimulate the intratumoral Janus kinase 2(JAK2)/Signal transducer and activator of transcription 3(STAT3)pathway,triggering resistance to FAK inhibition.Analysis of clinical samples demonstrated that stromal pAKT2 Ser128 and pCCTαSer315/319/323 are related to the tumor malignancy and reduced patient survival.Pseudo-targeted lipidomics and further validation cohort quantitatively showed that plasma PCs enable to distinguish the malignant extent of ESCC patients.In conclusion,inhibition of stroma-derived PCs and related pathway could be possible therapeutic strategies for tumor therapy.

关键词： CAFs metabolism resistance

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A retrospective analysis of mature T-and NK-cell lymphomas

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cancer Biology & Medicine 2024年第3期21卷 223-229页

作者： Junlei Jia Xiaohui Wang Zheng Song Shen Meng Yue Fei Jingwei Yu Xia Liu Xue Han Lanfang Li Lihua Qiu Zhengzi Qian Shiyong Zhou Wenchen Gong Bin Meng Xiubao Ren Xianhuo Wang Huilai Zhang National Key Laboratory of Druggability Evaluation and Systematic Translational Medicine and Department of LymphomaTianjin Medical University Cancer Institute&HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinThe Sino-US Center for Lymphoma and Leukemia ResearchTianjin 300060China Department of Radiation Oncology Shandong Cancer Hospital and InstituteShandong First Medical University and Shandong Academy of Medical SciencesJinan 250117China Department of Pathology Department of Immunology/Biotherapy Tianjin Medical University Cancer Institute&HospitalNational Clinical Research Center for CancerTianjin's Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinTianjin 300060China

Mature T-and natural killer(NK)-cell lymphomas are heterogeneous groups of malignant lymphoid neoplasms arising from T and NK cells. The incidence of mature T-and NK-cell lymphomas is 2.1 per 100,000 people, according... 详细信息

关键词： lymphoma neoplasms killer

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The evolution of cancer genomic medicine in Japan and the role of the National cancer Center Japan

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cancer Biology & Medicine 2024年第1期21卷 29-44页

作者： Teruhiko Yoshida Yasushi Yatabe Ken Kato Genichiro Ishii Akinobu Hamada Hiroyuki Mano Kuniko Sunami Noboru Yamamoto Takashi Kohno Department of Genetic Medicine and Services National Cancer Center HospitalTokyo 104-0045Japan Department of Diagnostic Pathology National Cancer Center HospitalTokyo 104-0045Japan Clinical research Support Offce Clinical Research Coordinating SectionBiobank Translational Research Support SectionNational Cancer Center HospitalTokyo 104-0045Japan Department of Pathology and Clinical Laboratories National Cancer Center Hospital EastChiba 277-8577Japan Division of Molecular Pharmacology National Cancer Center Research InstituteTokyo 104-0045Japan National cancer Center research institute Tokyo 104-0045Japan Department of Laboratory Medicine National Cancer Center HospitalTokyo 104-0045Japan Department of Experimental Therapeutics National Cancer Center HospitalTokyo 104-0045Japan Division of Genome Biology National Cancer Center Research InstituteTokyo 104-0045Japan

The journey to implement cancer genomic medicine(CGM)in oncology practice began in the 1980s,which is considered the dawn of genetic and genomic cancer research.At the time,a variety of activating oncogenic alterations and their functional significance were unveiled in cancer cells,which led to the development of molecular targeted therapies in the 2000s and beyond.Although CGM is still a relatively new discipline and it is difficult to predict to what extent CGM will benefit the diverse pool of cancer patients,the National cancer Center(NCC)of Japan has already contributed considerably to CGM advancement for the conquest of cancer.Looking back at these past achievements of the NCC,we predict that the future of CGM will involve the following:1)A biobank of paired cancerous and non-cancerous tissues and cells from various cancer types and stages will be developed.The quantity and quality of these samples will be compatible with omics analyses.All biobank samples will be linked to longitudinal clinical information.2)New technologies,such as whole-genome sequencing and artificial intelligence,will be introduced and new bioresources for functional and pharmacologic analyses(e.g.,a patient-derived xenograft library)will be systematically deployed.3)Fast and bidirectional translational research(bench-to-bedside and bedside-to-bench)performed by basic researchers and clinical investigators,preferably working alongside each other at the same institution,will be implemented;4)Close collaborations between academia,industry,regulatory bodies,and funding agencies will be established.5)There will be an investment in the other branch of CGM,personalized preventive medicine,based on the individual's genetic predisposition to cancer.

关键词： cancer genomic medicine biobank patient-derived xenograft multi-gene panel test whole genome sequencing

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Deep insight into the B-cell associated tertiary lymphoid structure and tumor immunotherapy

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cancer Biology & Medicine 2024年第2期21卷 125-131页

作者： Jilong Yang Jin Xu Haotian Liu Wanyi Xiao Gengpu Zhang Department of Bone and Soft Tissue Tumor Tianjin Medical University Cancer Institute&HospitalNational Clinical Research Center for CancerKey Laboratory of Cancer Prevention and TherapyTianjinTianjin’s Clinical Research Center for CancerKey Laboratory of Molecular Cancer EpidemiologyTianjin 300060China Department of Anaesthesiology Tianjin University Tianjin HospitalTianjin 300211China

Bod et al.1 recently published a study in Nature that garnered attention to B cell-associated anti-tumor immunity and immunotherapy of melanoma and other tumors1.As a promising supplemental immunotherapy to mainstream... 详细信息

关键词： immunotherapy immunity

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Weight change and all-cause and cause-specific mortality: A 25-year follow-up study

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中华医学杂志(英文版) 2024年第10期137卷 1169-1178页

作者： Yang Huan Wang Jianbing Wang Xiaokun Sun Wanyi Tong Chenyunhao Fan Jinhu Qiao Youlin Abnet Christian C. Department of cancer Epidemiology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China Department of Public Health Zhejiang University School of Medicine National Clinical Research Center for Children’s Health Hangzhou Zhejiang China Metabolic Epidemiology Branch Division of Cancer Epidemiology and Genetics National Cancer Institute Rockville MD USA

Background: Whether the dynamic weight change is an independent risk factor for mortality remains controversial. This study aimed to examine the association between weight change and risk of all-cause and cause-specific mortality based on the Linxian Nutrition Intervention Trial (NIT) cohort.Methods: Body weight of 21,028 healthy residents of Linxian, Henan province, aged 40-69 years was measured two times from 1986 to 1991. Outcome events were prospectively collected up to 2016. Weight maintenance group (weight change cancer (HRcancer = 1.12, 95% CI: 1.03-1.21,P = 0.009), and heart disease (HRHeart diseases = 1.21, 95% CI: 1.11-1.31,P cancer = 0.89, 95% CI: 0.79-0.99,P = 0.033) lower risk of cancer mortality and 23% higher risk of stroke mortality (HRStroke = 1.23,95% CI: 1.12-1.34,P cancer death (HROverweight to normal = 1.20, 95% CI: 1.04-1.39; HRBecoming underweight = 1.44, 95% CI: 1.24-1.67), while stable overweight could increase the risk of total death (HRStable overweight = 1.11, 95% CI: 1.05-1.17) and death from stroke (HRStable overweight = 1.44, 95% CI: 1.33-1.56). Interaction effects were observed between age and weight change on cancer mortality, as well as between baseline BMI and weight change on all-cause, heart disease,

关键词： Weight change All-cause mortality cancer Stroke Heart diseases Body mass index

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