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Deficiency of Trp53 and Rb1 in myeloid cell lineage spontaneously develops acute myeloid leukemia in a mouse model

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Genes & Diseases 2024年第1期11卷 4-6页

作者： Yang Li Shu-ting Yang Shuying Yang Department of Basic&translational Sciences School of Dental MedicineUniversity of PennsylvaniaPhiladelphiaPA 19104USA Department of Orthopaedic Surgery School of MedicineJohns Hopkins University BaltimoreMD 21205USA center for innovation&precision Dentistry School of Dental MedicineSchool of Engineering and Applied SciencesUniversity of PennsylvaniaPhiladelphiaPA 19104USA The Penn center for Musculoskeletal Disorders School of MedicineUniversity of PennsylvaniaPhiladelphiaPA 19104USA

Acute myeloid leukemia(AML)is a rapidly lethal blood cancer characterized by aberrant proliferation and differentiation of myeloid progenitors in the hematopoietic *** recent decades,AML patients are significantly *** 2019 alone,21,450 new AML cases were diagnosed in the United States,with an estimated 10,920 deaths due to ***’s worse,AML occurs with an increasing incidence with advanced age,and the survival rate remains dismal with a median overall survival of only 5e10 *** great advances in allogenic transplant and chemotherapy,the therapeutic outcomes are unfavorable due to the disease relapse and mortality *** importantly,the development of more specific and effective therapies was hampered in part by the lack of proper animal models for ***,management and elucidation of the pathological mechanism of AML remain an ongoing challenge,and the development of effective AML mouse models and treatment options are urgently needed.

关键词： myeloid Acute leukemia

Metal nanoparticles for cancer therapy:precision targeting of DNA damage

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Acta Pharmaceutica Sinica B 2024年第3期14卷 1132-1149页

作者： Qian Chen Chunyan Fang Fan Xia Qiyue Wang Fangyuan Li Daishun Ling Institute of Pharmaceutics Hangzhou Institute of Innovative MedicineCollege of Pharmaceutical SciencesZhejiang UniversityHangzhou 310058China Frontiers Science center for Transformative Molecules School of Chemistry and Chemical EngineeringNational Center for Translational MedicineShanghai Jiao Tong UniversityShanghai 200240China World Laureates Association(WLA)Laboratories Shanghai 201203China Key Laboratory of precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province Hangzhou 310009China

Cancer,a complex and heterogeneous disease,arises from genomic ***,DNA damage-based cancer treatments,including radiotherapy and chemotherapy,are employed in clinical ***,the efficacy and safety of these therapies are constrained by various factors,limiting their ability to meet current clinical *** nanoparticles present promising avenues for enhancing each critical aspect of DNA damage-based cancer *** customizable physicochemical properties enable the development of targeted and personalized treatment *** this review,we delve into the design principles and optimization strategies of metal *** shed light on the limitations of DNA damage-based therapy while highlighting the diverse strategies made possible by metal *** encompass targeted drug delivery,inhibition of DNA repair mechanisms,induction of cell death,and the cascading immune ***,we explore the pivotal role of physicochemical factors such as nanoparticle size,stimuli-responsiveness,and surface modification in shaping metal nanoparticle ***,we present insights into the challenges and future directions of metal nanoparticles in advancing DNA damage-based cancer therapy,paving the way for novel treatment paradigms.

关键词： DNA damage Metal nanoparticles Nucleus-targeting DNA repair inhibition Immune response Size optimization Stimuli-responsiveness Surface modification

Visualization analysis of research hotspots and trends on gastrointestinal tumor organoids

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World Journal of Gastrointestinal Oncology 2024年第6期16卷 2826-2841页

作者： Gang Wang Tao Liu Wen-Ting He School of Basic Medical Sciences Lanzhou UniversityLanzhou 730000Gansu ProvinceChina Digestive System Tumor Prevention and Treatment and translational Medicine Engineering innovation center of Lanzhou University Lanzhou UniversityLanzhou 730000Gansu ProvinceChina Digestive System Tumor translational Medicine Engineering Research center of Gansu Province Lanzhou UniversityLanzhou 730000Gansu ProvinceChina The Second Hospital&Clinical Medical School Lanzhou UniversityLanzhou 730030Gansu ProvinceChina

BACKGROUND Gastrointestinal tumor organoids serve as an effective model for simulating cancer in vitro and have been applied in basic biology and preclinical *** over a decade of development and increasing research achievements in this field,a systematic and comprehensive analysis of the research hotspots and future trends is *** To address this problem by employing bibliometric tools to explore the publication years,countries/regions,institutions,journals,authors,keywords,and references in this *** The literature was collected from Web of Science ***-6.2R4,a widely used bibliometric analysis software package,was used for institutional analysis and reference burst *** 1.6.19 was used for journal cocitation analysis,author co-authorship and co-citation ***‘online platform for bibliometric analysis(https://***/app)’was used to assess the total number of publications and the cooperation relationships between ***,we employed the bibliometric R software package(version R.4.3.1)in R-studio,for a comprehensive scientific analysis of the *** Our analysis included a total of 1466 publications,revealing a significant yearly increase in articles on the study of gastrointestinal tumor *** United States(n=393)and Helmholtz Association(n=93)have emerged as the leading countries and institutions,respectively,in this field,with Hans Clevers and Toshiro Sato being the most contributing *** most influential journal in this field is *** most impactful reference is"Long term expansion of epithelial organs from human colon,adenoma,adenocarcinoma,and Barrett's epithelium".Keywords analysis and citation burst analysis indicate that precision medicine,disease modeling,drug development and screening,and regenerative medicine are the most cutting-edge *** focal points were further detailed based on the *** This bibl

关键词： Gastrointestinal tumor organoids Bibliometric analysis Drug development and screening Model CiteSpace

A single-nucleus transcriptomic atlas of primate liver aging uncovers the pro-senescence role of SREBP2 in hepatocytes

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Protein & Cell 2024年第2期15卷 98-120页

作者： Shanshan Yang Chengyu Liu Mengmeng Jiang Xiaoqian Liu Lingling Geng Yiyuan Zhang Shuhui Sun Kang Wang jian Yin Shuai Ma Si Wang Juan Carlos Izpisua Belmonte Weiqi Zhang Jing Qu Guang-Hui Liu Advanced innovation center for Human Brain Protection and National Clinical Research center for Geriatric Disorders Xuanwu Hospital Capital Medical UniversityBeijing 100053China State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Aging translational Medicine center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China CAS Key Laboratory of Genomic and precision Medicine Beijing Institute of GenomicsChinese Academy of Sciences and China National Center for BioinformationBeijing 100101China Xuanwu Hospital Capital Medical University Beijing 100053China University of Chinese Academy of Sciences Beijing 100049China Institute for Stem Cell and Regeneration Chinese Academy of SciencesBeijing 100101China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China Aging Biomarker Consortium Beijing 100101China Altos Labs Inc.San DiegoCA 94022USA

Aging increases the risk ofliver diseases and systemic susceptibility to aging-related ***,cell type-specific changes and the underlying mechanism of liver aging in higher vertebrates remain incompletely ***,we constructed the first single-nucleus transcriptomic landscape of primate liver aging,in which we resolved cell type-specific gene expression fluctuation in hepatocytes across three liver zonations and detected aberrant cell-cell interactions between hepatocytes and niche *** in-depth dissection of this rich dataset,we identifed impaired lipid metabolism and upregulation of chronic inflammation-related genes prominently associated with declined liver functions during *** particular,hyperactivated sterol regulatory element-binding protein(SREBP)signaling was a hallmark of the aged liver,and consequently,forced activation of SREBP2 in human primary hepatocytes recapitulated in vivo aging phenotypes,manifesting as impaired detoxification and accelerated cellular *** study expands our knowledge of primate liver aging and informs the development of diagnostics and therapeutic interventions for liver aging and associated diseases.

关键词： single-nucleus RNA sequencing liver hepatocytes aging senescence SREBP2

Human ESC-derived vascular cells promote vascular regeneration in a HIF-1α dependent manner

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Protein & Cell 2024年第1期15卷 36-51页

作者： Jinghui Lei Xiaoyu Jiang Daoyuan Huang Ying Jing Shanshan Yang Lingling Geng Yupeng Yan Fangshuo Zheng Fang Cheng Weiqi Zhang Juan Carlos Izpisua Belmonte Guang-Hui Liu Si Wang Jing Qu Advanced innovation center for Human Brain Protection National Clinical Research Center for Geriatric DisordersXuanwu Hospital Capital Medical UniversityBeijing 100053China State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Aging translational Medicine center Intermational Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China University of Chinese Academy of Sciences Beijing 100049China Institute for Stem Cell and Regeneration CASBeijing 100101China The Fifth People's Hospital of Chongqing Chongqing 400062China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China National Laboratory of Biomacromolecules CAs Center for Excellence in BiomacromoleculesInstitute of BiophysicsBeijing 100101China CAS Key Laboratory of Genomic and precision Medicine Beijing Institute of GenomicsChinese Academy of SciencesBeijing 100101China China National center for Bioinformation Beijing 100101China Sino-Danish College University of Chinese Academy of SciencesBeijing 101408China Sino-Danish center for Education and Research Beijing 101408China Aging Biomarker Consortium China Altos Labs San DiegoCA 92121United State

Hypoxia-inducible factor(HIF-1α),a core transcription factor responding to changes in cellular oxygen levels,is closely associated with a wide range of physiological and pathological ***,its differential impacts on vascular cell types and molecular programs modulating human vascular homeostasis and regeneration remain largely ***,we applied CRISPR/Cas9-mediated gene editing of human embryonic stem cells and directed differentiation to generate HIF-ia-deficient human vascular cells including vascular endothelial cells,vascular smooth muscle cells,and mesenchymal stem cells(MsCs),as a platform for discovering cell type-specific hypox-ia-induced response *** comparative molecular profiling across cell types under normoxic and hypoxic conditions,we provide insight into the indispensable role of HIF-1αin the promotion of ischemic vascular *** found human MSCs to be the vascular cell type most susceptible to HIF-1a deficiency,and that transcriptional inactivation of ANKZF1,an effector of HIF-1a,impaired pro-angiogenic ***,our findings deepen the understanding of HIF-ia in human angiogenesis and support further explorations of novel therapeutic strategies of vascular regeneration against ischemic damage.

关键词： HIF-1 human ESC vascular cell regeneration

Identification of FOXO1 as a geroprotector in human synovium through single-nucleus transcriptomic profiling

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Protein & Cell 2024年第6期15卷 441-459页

作者： Feifei Liu Yi Lu Xuebao Wang Shuhui Sun Huize Pan Min Wang Zehua Wang Weiqi Zhang Shuai Ma Guoqiang Sun Qun Chu Si Wang Jing Qu Guang-Hui Liu State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Sports Medicine Department Beijing Jishuitan HospitalCapital Medical UniversityBeijing 100035China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Institute for Stem Cell and Regeneration Chinese Academy of SciencesBeijing 100101China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China National Laboratory of Biomacromolecules Institute of BiophysicsChinese Academy of SciencesBeijing 100101China Division of Life Sciences and Medicine School of Life SciencesUniversity of Science and Technology of ChinaHefei 230001China CAS Key Laboratory of Genomic and precision Medicine Beijing Institute of GenomicsChinese Academy of Sciences and China National Center for BioinformationBeijing 100101China The Fifth People’s Hospital of Chongqing Chongqing 400062China Advanced innovation center for Human Brain Protection and National Clinical Research center for Geriatric Disorders Xuanwu Hospital Capital Medical UniversityBeijing 100053China Aging translational Medicine center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China

The synovium,a thin layer of tissue that is adjacent to the joints and secretes synovial fluid,undergoes changes in aging that contribute to intense shoulder pain and other joint ***,the mechanism underlying human synovial aging remains poorly ***,we generated a comprehensive transcriptomic profile of synovial cells present in the subacromial synovium from young and aged *** delineating aging-related transcriptomic changes across different cell types and their associated regulatory networks,we identified two subsets of mesenchymal stromal cells(MSCs)in human synovium,which are lining and sublining MSCs,and found that angiogenesis and fibrosis-associated genes were upregulated whereas genes associated with cell adhesion and cartilage development were downregulated in aged ***,the specific cell-cell communications in aged synovium mirrors that of aging-related inflammation and tissue remodeling,including vascular hyperplasia and tissue *** particular,we identified forkhead box O1(FOXO1)as one of the major regulons for aging differentially expressed genes(DEGs)in synovial MSCs,and validated its downregulation in both lining and sublining MSC populations of the aged *** human FOXO1-depleted MSCs derived from human embryonic stem cells,we recapitulated the senescent phenotype observed in the subacromial synovium of aged *** data indicate an important role of FOXO1 in the regulation of human synovial ***,our study improves our understanding of synovial aging during joint degeneration,thereby informing the development of novel intervention strategies aimed at rejuvenating the aged joint.

关键词： FOXO1 degeneration inflammation

Degeneration Directory:a multi-omics web resource for degenerative diseases

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Protein & Cell 2024年第5期15卷 385-392页

作者： Haoteng Yan Changfa Lu Chenyang Lan Si Wang Weiqi Zhang Zan He Jinghao Hu Jiaqi Ai Guang-Hui Liu Shuai Ma Yuanchun Zhou Jing Qu State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Key Laboratory of Organ Regeneration and Reconstruction Institute of ZoologyChinese Academy of SciencesBeijing 100101China Advanced innovation center for Human Brain Protection and National Clinical Research Center for Geriatric DisordersXuanwu Hospital Capital Medical UniversityBeijing 100053China Aging translational Medicine center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China Computer Network Information center Chinese Academy of SciencesBeijing 100190China The Fifth People’s Hospital of Chongqing Chongqing 400062China Aging Biomarker Consortium Beijing 100101China CAS Key Laboratory of Genomic and precision Medicine Beijing Institute of GenomicsChinese Academy of Sciences and China National Center for BioinformationBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Sino-Danish College University of Chinese Academy of SciencesBeijing 101408China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China Institute for Stem Cell and Regeneration Chinese Academy of SciencesBeijing 100101China

Background of *** degeneration refers to the gradual decline in organ function and structure deterioration that occurs during aging,which represents the greatest risk factor for various degenerative diseases,including cardiovascular diseases,neurodegenerative diseases,and osteoarthritis,etc.(Aging Biomarker et al.,2023;Becker et al.,2018;Cai et al.,2022).

关键词： Directory web Becker

CRL2^(APPBP2)-mediated TSPYL2 degradation counteracts human mesenchymal stem cell senescence

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Science China(Life Sciences) 2024年第3期67卷 460-474页

作者： Daoyuan Huang Qian Zhao Kuan Yang Jinghui Lei Ying Jing Hongyu Li Chen Zhang Shuai Ma Shuhui Sun Yusheng Cai Guibin Wang Jing Qu Weiqi Zhang Si Wang Guang-Hui Liu Advanced innovation centerfor Human Brain Protection National Clinical Research Centerfor Geriatric DisordersXuanwu Hospital Capital Medical UniversityBeijing 100053China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Aging translational Medicinecenter International Centerfor Aging and CancerBejing Municipal GeriatricMedical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Beijing Institute for Stem Cell and Regenerative Medicine Beijing100101China CAS Key Laboratory of Genomic and precision Medicine Bejing Institute of Genomics and China National Center for BioinformationChinese Academy of SciencesBeijing 100101China Institute for Stem Cell and Regeneration CASBeijing 100101China The Fifth People's Hospital of Chongqing Chongqing 400062China Sino-Danish Cllege University of Chinese Academy of SciencesBeijing101408China National Laboratory of Biomacromolecules CAS Center for Excelence in BiomacromoleculesInstitute of BiophysicsChinese Academy of SciencesBeijing100101China State Key Laboratory of Proteomics Beijing Proteome Research CenterNational Center for Protein Sciences(Beijing)Beijing Institute of LifeomicsBeijing 102206China

Cullin-RING E3 ubiquitin ligases(CRLs),the largest family of multi-subunit E3 ubiquitin ligases in eukaryotic cells,represent core cellular machinery for executing protein degradation and maintaining ***,we asked what roles Cullin proteins play in human mesenchymal stem cell(hMSC)homeostasis and *** this end,we conducted a comparative aging phenotype analysis by individually knocking down Cullin members in three senescence models:replicative senescent hMSCs,Hutchinson-Gilford Progeria Syndrome hMSCs,and Werner syndrome *** all family members,we found that CUL2 deficiency rendered hMSCs the most susceptible to *** investigate CUL2-specific underlying mechanisms,we then applied CRISPR/Cas9-mediated gene editing technology to generate CUL2-deficient human embryonic stem cells(hESCs).When we differentiated these into h MSCs,we found that CUL2 deletion markedly accelerates hMSC ***,we identified that CUL2 targets and promotes ubiquitin proteasome-mediated degradation of TSPYL2(a known negative regulator of proliferation)through the substrate receptor protein APPBP2,which in turn downregulates one of the canonical aging marker-P21^(waf1/cip1),and thereby delays *** work provides important insights into how CRL2^(APPBP2)-mediated TSPYL2 degradation counteracts hMSC senescence,providing a molecular basis for directing intervention strategies against aging and aging-related diseases.

关键词： Cullins stem cell senescence aging proteostasis ubiquitination APPBP2 TSPYL2

Aging hallmarks of the primate ovary revealed by spatiotemporal transcriptomics

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Protein & Cell 2024年第5期15卷 364-384页

作者： Huifen Lu Ying Jing Chen Zhang Shuai Ma Weiqi Zhang Daoyuan Huang Bin Zhang Yuesheng Zuo Yingying Qin Guang-Hui Liu Yang Yu Jing Qu Si Wang Advanced innovation center for Human Brain Protection National Clinical Research Center for Geriatric DisordersXuanwu Hospital Capital Medical UniversityBeijing 100053China State Key Laboratory of Stem Cell and Reproductive Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China Aging translational Medicine center International Center for Aging and CancerBeijing Municipal Geriatric Medical Research CenterXuanwu HospitalCapital Medical UniversityBeijing 100053China State Key Laboratory of Membrane Biology Institute of ZoologyChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Beijing Institute for Stem Cell and Regenerative Medicine Beijing 100101China CAS Key Laboratory of Genomic and precision Medicine Beijing Institute of GenomicsChinese Academy of SciencesBeijing 100101China Institute for Stem cell and Regeneration CASBeijing 100101China China National center for Bioinformation Beijing 100101China The Fifth People’s Hospital of Chongqing Chongqing 400062China Sino-Danish College University of Chinese Academy of SciencesBeijing 101408China Sino-Danish center for Education and Research Beijing 101408China Department of Obstetrics and Gynecology Center for Reproductive MedicinePeking UniversityThird HospitalBeijing 100191China Clinical Stem Cell Research center Peking UniversityThird HospitalBeijing 100191China center for Reproductive Medicine Cheeloo College of MedicineShandong UniversityJinan 250012China Key Laboratory of Reproductive Endocrinology of Ministry of Education National Research Center for Assisted Reproductive Technology and Reproductive GeneticsShandong Key Laboratory of Reproductive MedicineShandong Provincial Clinical Research Center for Reproductive HealthJinan 250012China Key Laboratory of Organ Regeneration and Reconstruction Institute of ZoologyChinese Academy of SciencesBeijing 100101China Aging Biomarker Consortium Beijing 100101China

The ovary is indispensable for female reproduction,and its age-dependent functional decline is the primary cause of ***,the molecular basis of ovarian aging in higher vertebrates remains poorly ***,we apply spatiotemporal transcriptomics to benchmark architecture organization as well as cellular and molecular determinants in young primate ovaries and compare these to aged primate *** a global view,somatic cells within the non-follicle region undergo more pronounced transcriptional fluctuation relative to those in the follicle region,likely constituting a hostile microenvironment that facilitates ovarian ***,we uncovered that inflammation,the senescent-associated secretory phenotype,senescence,and fibrosis are the likely primary contributors to ovarian aging(PCOA).Of note,we identified spatial co-localization between a PCOA-featured spot and an unappreciated MT2(Metallothionein 2)highly expressing spot(MT2^(high))characterized by high levels of inflammation,potentially serving as an aging hotspot in the primate ***,with advanced age,a subpopulation of MT2^(high)accumulates,likely disseminating and amplifying the senescent signal *** study establishes the first primate spatiotemporal transcriptomic atlas,advancing our understanding of mechanistic determinants underpinning primate ovarian aging and unraveling potential biomarkers and therapeutic targets for aging and age-associated human ovarian disorders.

关键词： spatial transcriptome primate ovary aging senescence inflammation