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High-fat diet impairs gut barrier through intestinal microbiota-derived reactive oxygen species

Science China(Life Sciences) 2024年第5期67卷 879-891页

作者： Nianyi Zeng Fan Wu Junqi Lu Xiang Li Shaomei Lin Lang Zhou Zhongwei Wang Guangyan Wu Qingfa Huang Daowen Zheng Jie Gao Shan Wu Xiaojiao Chen Muxuan Chen Fanguo Meng Haitao Shang Yan He Peng Chen Hong Wei Zhuang Li Hongwei Zhou Microbiome Medicine center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhou 510282China Department of Environmental Health Guangdong Provincial Key Laboratory of Tropical Disease ResearchSchool of Public Health and Tropical MedicineSouthern Medical UniversityGuangzhou 510515China Redox Medical center for Public Health Soochow UniversitySuzhou 215301China Precision Medicine institute The First Affiliated HospitalSun Yat-sen UniversityGuangzhou 510080China Department of Pathophysiology Guangdong Provincial Key Laboratory of ProteomicsSchool of Basic Medical SciencesSouthern Medical UniversityGuangzhou 510515China

Gut barrier disruption is a key event in bridging gut microbiota dysbiosis and high-fat diet(HFD)-associated metabolic ***,the underlying mechanism remains *** the present study,by comparing HFD-and normal diet(ND)-treated mice,we found that the HFD instantly altered the composition of the gut microbiota and subsequently damaged the integrity of the gut *** sequencing revealed that the HFD upregulates gut microbial functions related to redox reactions,as confirmed by the increased reactive oxygen species(ROS)levels in fecal microbiota incubation in vitro and in the lumen,which were detected using in vivo fluorescence *** microbial ROS-producing capability induced by HFD can be transferred through fecal microbiota transplantation(FMT)into germ-free(GF)mice,downregulating the gut barrier tight ***,mono-colonizing GF mice with an Enterococcus strain excelled in ROS production,damaged the gut barrier,induced mitochondrial malfunction and apoptosis of the intestinal epithelial cells,and exacerbated fatty liver,compared with other low-ROS-producing Enterococcus *** administration of recombinant high-stability-superoxide dismutase(SOD)significantly reduced intestinal ROS,protected the gut barrier,and improved fatty liver against the *** conclusion,our study suggests that extracellular ROS derived from gut microbiota play a pivotal role in HFD-induced gut barrier disruption and is a potential therapeutic target for HFD-associated metabolic diseases.

关键词： fatty liver disease gut microbiota gut barrier high-fat diet oxidative stress reactive oxygen species

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Consensus statement on research and application of Chinese herbal medicine derived extracellular vesicles-like particles(2023 edition)

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Chinese Herbal Medicines 2024年第1期16卷 3-12页

作者： Qing Zhao Tong Wang Hongbin Wang Peng Cao Chengyu Jiang Hongzhi Qiao Lihua Peng Xingdong Lin Yunyao Jiang Honglei Jin Huantian Zhang Shengpeng Wang Yang Wang Ying Wang Xi Chen Junbing Fan Bo Li Geng Li Bifeng Liu Zhiyang Li Suhua Qi Mingzhen Zhang Jianjian Zheng Jiuyao Zhou Lei Zheng Kewei Zhao Guangdong Engineering Research center of Chinese Herbal Vesicles The Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510378China Guangzhou Key Laboratory of Chinese Medicine Research on Prevention and Treatment of Osteoporosis The Third Affiliated Hospital of Guangzhou University of Chinese MedicineGuangzhou 510378China institute of Life and Health Engineering the First Affiliated HospitalJinan UniversityGuangzhou 510630China School of Pharmaceutical Sciences Guangzhou University of Chinese MedicineGuangzhou 510006China College of Pharmacy Nanjing University of Chinese MedicineNanjing 210046China institute of Basic Medicine Chinese Academy of Medical SciencesBeijing 100005China College of Pharmaceutical Sciences Zhejiang UniversityHangzhou 310030China School of Pharmaceutical Sciences Tsinghua UniversityBeijing 100084China Department of bone and Joint Surgery The First Affiliated Hospital of Jinan UniversityGuangzhou 510630China State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoAomen 999078China Shanghai Jiao Tong University affiliated Sixth People’s hospital Shanghai 200233China School of Basic Medical Sciences Southern Medical UniversityGuangzhou 510515China School of Life Sciences Nanjing UniversityNanjing 210008China Nanfang hospital Southern Medical UniversityGuangzhou 510515China Laboratory Animal center Guangzhou University of Chinese MedicineGuangzhou 510405China College of Life Science and Technology Huazhong University of Science and TechnologyWuhan 430074China Nanjing University Medical School affiliated Nanjing Drum Tower hospital Nanjing 210008China School of Medical and Technology Xuzhou Medical UniversityXuzhou 221004China School of Basic Medical Sciences Xi’an Jiaotong UniversityXi’an 710065China The first affiliated hospital of Wenzhou Medical University WenZhou 325035China

To promote the development of extracellular vesicles of herbal medicine especially the establishment of standardization,led by the National Expert Committee on Research and Application of Chinese Herbal Vesicles,research experts in the field of herbal medicine and extracellular vesicles were invited nationwide with the support of the Expert Committee on Research and Application of Chinese Herbal Vesicles,Professional Committee on Extracellular Vesicle Research and Application,Chinese Society of Research hospitals and the Guangdong Engineering Research center of Chinese Herbal *** on the collation of relevant literature,we have adopted the Delphi method,the consensus meeting method combined with the nominal group method to form a discussion draft of“Consensus statement on research and application of Chinese herbal medicine derived extracellular vesicles-like particles(2023)”.The first draft was discussed in online and offline meetings on October 12,14,November 2,2022 and April and May 2023 on the current status of research,nomenclature,isolation methods,quality standards and research applications of extracellular vesicles of Chinese herbal medicines,and 13 consensus opinions were finally *** the Third Academic Conference on Research and Application of Chinese Herbal Vesicles,held on May 26,2023,Kewei Zhao,convenor of the consensus,presented and read the consensus to the experts of the Expert Committee on Research and Application of Chinese Herbal *** consensus highlights the characteristics and advantages of Chinese medicine,inherits the essence,and keeps the righteousness and innovation,aiming to provide a reference for colleagues engaged in research and application of Chinese herbal vesicles at home and abroad,decode the mystery behind Chinese herbal vesicles together,establish a safe,effective and controllable accurate Chinese herbal vesicle prevention and treatment system,and build a bridge for Chinese medicine to the world.

关键词： Chinese herbal medicine extracellular vesicles research application consensus

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Application of interim PET-CT in first-line treatment decision-making for lymphoma

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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2023年第10期24卷 905-921页

作者： Linlin HUANG Yi ZHAO Jingsong HE bone marrow transplantation center Department of Hematologythe First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310006China

Recent advances in lymphoma treatment have significantly improved the survival of patients;however,the current approaches also have varying side *** overcome these,it is critical to implement individualized treatment according to the patient’s ***,the early identification of high-risk groups and targeted treatment are important strategies for prolonging the survival time and improving the quality of life of *** positron emission tomography-computed tomography(PET-CT)has a high prognostic value,which can reflect chemosensitivity and identify patients for whom treatment may fail under this *** date,many prospective clinical studies on interim PET(iPET)-adapted therapy have been *** this review,we focus on the treatment strategies entailed in these studies,as well as the means and timing of iPET assessment,with the aim of exploring the efficacy and existing issues regarding iPET-adapted *** is expected that the improved use of PET-CT examination can facilitate treatment decision-making to identify precise treatment options.

关键词： Positron emission tomography-computed tomography(PET-CT) Lymphoma Interim PET(iPET)-adapted therapy

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Plerixafor-based mobilization and mononuclear cell counts in graft increased the risk of engraftment syndrome after autologous hematopoietic stem cell transplantation

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Blood Science 2024年第3期6卷 48-54页

作者： Le-Qing Cao Qi Wen Bo-Ning Liu Zhen-Yu Zhao Xiao-Hui Zhang Lan-Ping Xu Huan Chen Yu Wang Lu Yu Feng-Rong Wang Xiao-Jun Huang Xiao-Dong Mo Peking University People’s hospital Peking University Institute of HematologyNational Clinical Research Center for Hematologic DiseaseBeijing Key Laboratory of Hematopoietic Stem Cell TransplantationBeijingChina Hainan General hospital Hainan Affiliated Hospital of Hainan Medical UniversityHaikouChina Peking-Tsinghua center for Life Sciences Academy for Advanced Interdisciplinary StudiesPeking UniversityBeijingChina Research Unit of Key Technique for Diagnosis and Treatments of Hematologic Malignancies Chinese Academy of Medical SciencesBeijing 2019RU029China

Engraftment syndrome(ES)is one of the most common complications in the early phase after autologous hematopoietic stem cell transplantation(ASCT),and we aimed to evaluate the incidence and risk factors for ES patients receiving ASCT in the era of plerixafor-based mobilization.A total of 294 were enrolled,and 16.0%(n=47)experienced ES after *** main clinical manifestations were fever(100%),diarrhea(78.7%),skin rash(23.4%),and hypoxemia/pulmonary edema(12.8%).Plerixafor-based mobilization was associated with higher counts of CD3^(+)cells,CD4^(+)cells,and CD8^(+)cells in *** univariate analysis of the total cohort,age≥60 years,receiving ASCT at complete remission(CR),higher number of mononuclear cell(MNC),CD3^(+)cell counts,CD4^(+)cells as well as CD8^(+)cells transfused and plerixafor-based mobilization were associated with ES after *** analysis showed that age≥60 years(P=0.0014),receiving ASCT at CR(P=0.002),and higher number of MNC transfused(P=0.026)were associated with ES in total *** plasma cell disease subgroup,age≥60 years(P=0.013),plerixafor-based mobilization(P=0.036),and receiving ASCT at CR(P=0.002)were associated with *** with more risk factors had a higher risk of *** 1-year probabilities of relapse,non-relapse mortality,and survival were comparable between patients with and without ***,plerixafor-based mobilization may influence the composition of T lymphocytes in grafts and increase the risk of ES,particularly in patients with plasma cell disease.

关键词： Autologous stem cell transplantation Engraftment syndrome Plerixafor Risk factors

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Pirh2 mediates the sensitivity of myeloma cells to bortezomib via canonical NF-κB signaling pathway

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Protein & Cell 2018年第9期9卷 770-784页

作者： Li Yang Jing Chen Xiaoyan Han Enfan Zhang Xi Huang Xing Guo Qingxiao Chen Wenjun Wu Gaofeng Zheng Donghua He Yi Zhao Yang Yang Jingsong He Zhen Cai Multiple Myeloma Treatment center & bone marrow transplantation center The First Affiliated Hospital College of MedicineZhejiang University Hangzhou 310003 China

Clinical success of the proteasome inhibitor established bortezomib as one of the most effective drugs in treatment of multiple myeloma （MM）. While survival benefit of bortezomib generated new treatment strategies, the primary and secondary resistance of MM cells to bortezomib remains a clinical concern. This study aimed to highlight the role of p53-induced RING-H2 （Pirh2） in the acquisition of bortezomib resistance in MM and to clarify the function and mechanism of action of Pirh2 in MM cell growth and resistance, thereby providing the basis for new therapeutic targets for MM. The proteasome inhibitor bortezomib has been established as one of the most effective drugs for treating MM. We demonstrated that bortezomib resistance in MM cells resulted from a reduction in Pirh2 protein levels. Pirh2 overexpression overcame bortezomib resistance and restored the sensitivity of myeloma cells to bortezomib, while a reduction in Pirh2 levels was correlated with bortezomib resistance. The levels of nuclear factor- kappaB （NF-κB） p65, pp65, plKBa, and IKKa were higher in bortezomib-resistant cells than those in parental cells. Pirh2 overexpression reduced the levels of plKBa and IKKa, while the knockdown of Pirh2 via short hairpin RNAs increased the expression of NF-κB p65, plKBa, and IKKa. Therefore, Pirh2 suppressed the canonical NF- κB signaling pathway by inhibiting the phosphorylation and subsequent degradation of IKBa to overcome acquired bortezomib resistance in MM cells.

关键词： bortezomib drug resistance multiplemyeloma NF-κB Pith2

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Skeletal stem cells in bone development,homeostasis,and disease

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Protein & Cell 2024年第8期15卷 559-574页

作者： Guixin Yuan Xixi Lin Ying Liu Matthew B.Greenblatt Ren Xu The first Affliated hospital of Xiamen University-ICMRS Collaborating center for Skeletal Stem Cell State Key Laboratory of Cellular Stress BiologySchool of MedicineFaculty of Medicine and Life SciencesXiamen UniversityXiamen 361005China Xiamen Key Laboratory of Regeneration Medicine Fujian Provincial Key Laboratory of Organ and Tissue RegenerationOrgan Transplantation InstituteSchool of MedicineXiamen UniversityXiamen 361102China Department of Pathology and Laboratory Medicine Weill Cormell Medical CollegeNew YorkNY 10065USA Research Division Hospital for Special SurgeryNew YorkNY10065USA

Tissue-resident stem cells are essential for development and repair,and in the skeleton,this function is fulfilled by recently identified skeletal stem cells(SSCs).However,recent work has identified that SSCs are not monolithic,with long bones,craniofacial sites,and the spine being formed by distinct stem *** studies have utilized techniques such as fluorescence-activated cell sorting,lineage tracing,and single-cell sequencing to investigate the involvement of ssCs in bone development,homeostasis,and *** investigations have allowed researchers to map the lineage commitment trajectory of ssCs in different parts of the body and at different time ***,recent studies have shed light on the characteristics of ssCs in both physiological and pathological *** review focuses on discussing the spatiotemporal distribution of ssCs and enhancing our understanding of the diversity and plasticity of ssCs by summarizing recent discoveries.

关键词： skeletal stem cells bone development endochondral ossification intramembranous ossification lineage tracing

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3D-bioprinted anisotropic bicellular living hydrogels boost osteochondral regeneration via reconstruction of cartilage–bone interface

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The Innovation 2024年第2期5卷 88-97页

作者： Yijian Zhang Duo Li Yang Liu Liuqi Peng Dongdong Lu Pinpin Wang Dongxu Ke Huilin Yang Xuesong Zhu Changshun Ruan Department of Orthopaedics The First Affiliated Hospital of Soochow UniversitySoochow UniversitySuzhou 215006China Research center for Human Tissue and Organ Degeneration Institute of Biomedicine and BiotechnologyShenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China University of Chinese Academy of Sciences Beijing 100049China Novaprint Therapeutics Suzhou Co. Ltd.Room 605B1 BuildingBioBayNo.218 Xinghu StreetSuzhou Industrial ParkSuzhou 215000China

Reconstruction of osteochondral(OC)defects represents an immense challenge due to the need for synchronous regeneration of special stratified *** revolutionary innovation of bioprinting provides a robust method for precise fabrication of tissue-engineered OCs with hierarchical structure;however,their spatial living cues for simultaneous fulfilment of osteogenesis and chondrogenesis to reconstruct the cartilage-bone interface of OC are ***,inspired by natural OC bilayer features,anisotropic bicellular living hydrogels(ABLHs)simultaneously embedding articular cartilage progenitor cells(ACPCs)and bone mesenchymal stem cells(BMSCs)in stratified layers were precisely fabricated via two-channel extrusion *** optimum formulation of the 7%GelMA/3%AlgMA hydrogel bioink was demonstrated,with excellent printability at room temperature and maintained high cell ***,the chondrogenic ability of ACPCs and the osteogenic ability of BMSCs were demonstrated in vitro,confirming the inherent differential spatial regulation of ABLHs.

关键词： printing stratified boost

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Bright, photostable and long-circulating NIR-Ⅱ nanoparticles for whole-process monitoring and evaluation of renal transplantation

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National Science Review 2024年第2期11卷 207-220页

作者： Rongyuan Zhang Ping Shen Yu Xiong Tianjing Wu Gang Wang Yucheng Wang Liping Zhang Han Yang Wei He Jian Du Xuedong Wei Siwei Zhang Zijie Qiu Weijie Zhang Zheng Zhao Ben Zhong Tang Clinical Translational Research center of Aggregation-Induced Emission The Second Affiliated HospitalSchool of MedicineSchool of Science and Engineering Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhen(CUHK-Shenzhen) center for AIE Research Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and Engineering Shenzhen University School of Chemistry Xiangtan University HKUST-Shenzhen Research institute Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction The Hong Kong University of Science and Technology Department of Urology The First Affiliated Hospital of Soochow University AIE institute

Kidney transplantation is the gold standard for the treatment of end-stage renal diseases(ESRDs). However,the scarcity of donor kidneys has caused more and more ESRD patients to be stuck on the waiting list for transplant surgery. Improving the survival rate for renal grafts is an alternative solution to the shortage of donor kidneys. Therefore, real-time monitoring of the surgical process is crucial to the success of kidney transplantation, but efficient methods and techniques are lacking. Herein, a fluorescence technology based on bright, photostable and long-circulating aggregation-induced emission(AIE) active NIR-II nano-contrast agent DIPT-ICF nanoparticles for the whole-process monitoring and evaluation of renal transplantation has been reported. In the aggregated state, DIPT-ICF exhibits superior photophysical properties compared with the commercial dyes IR-26 and IR-1061. Besides, the long-circulating characteristic of the AIE nano-contrast agent helps to achieve renal angiography in kidney retrieval surgery,donor kidney quality evaluation, diagnosing vascular and ureteral complications, and assessment of renal graft reperfusion beyond renovascular reconstruction, which considerably outperforms the clinically approved indocyanine green(ICG).

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Andrias davidianus bone peptides alleviates hyperuricemia-induced kidney damage in vitro and in vivo

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Food Science and Human Wellness 2024年第4期13卷 1886-1905页

作者： Wei Li Haihong Chen Hongliang Chen Ziyin Li Wei Hu Qinxuan Zhou Bing Xu Yi Wang Xinhui Xing institute of Biopharmaceutical and Health Engineering Tsinghua Shenzhen International Graduate SchoolShenzhen 518055China institute of Biomedical Health Technology and Engineering Shenzhen Bay LaboratoryShenzhen 440300China Key Laboratory for Industrial Biocatalysis Ministry of EducationInstitute of Biochemical EngineeringDepartment of Chemical EngineeringBeijing 100084China center for Synthetic and Systems Biology Tsinghua UniversityBeijing 100084China affiliated Dongguan hospital Southern Medical University(Dongguan People’s Hospital)Dongguan 523059China

Hyperuricemia(HUA)is a vital risk factor for chronic kidney diseases(CKD)and development of functional foods capable of protecting CKD is of *** paper aimed to explore the amelioration effects and mechanism of Andrias davidianus bone peptides(ADBP)on HUA-induced kidney *** the present study,we generated the standard ADBP which contained high hydrophobic amino acid and low molecular peptide *** vitro results found that ADBP protected uric acid(UA)-induced HK-2 cells from damage by modulating urate transporters and antioxidant *** vivo results indicated that ADBP effectively ameliorated renal injury in HUA-induced CKD mice,evidenced by a remarkable decrease in serum UA,creatinine and blood urea nitrogen,improving kidney UA excretion,antioxidant defense and histological kidney *** analysis highlighted 14 metabolites that could be selected as potential biomarkers and attributed to the amelioration effects of ADBP on CKD mice kidney ***,ADBP restored the gut microbiome homeostasis in CKD mice,especially with respect to the elevated helpful microbial abundance,and the decreased harmful bacterial *** study demonstrated that ADBP displayed great nephroprotective effects,and has great promise as a food or functional food ingredient for the prevention and treatment of HUA-induced CKD.

关键词： Andrias davidianus bone peptides Hyperuricemia Uric acid Chronic kidney disease Gut microbiota

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Deletion of Axin1 in aggrecan-expressing cells leads to growth plate cartilage defects in adult mice

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Genes & Diseases 2024年第4期11卷 149-151页

作者： Dan Yi Hongting Jin William W.Lu Chunxiang Zhang Guozhi Xiao Liping Tonag Di Chen Research center for Computer-aided Drug Discovery Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenGuangdong 518055China PFaculty of Pharmaceutical Sciences Shenzhen Institute of Advanced TechnologyChinese Academy of SciencesShenzhenGuangdong 518055China The first College of Clinical Medicine Zhejiang Chinese Medical UniversityHangzhouZhejiang 310053China Department of Cardiology Basic Medicine Innovation Centerfor Cardiometabolic Diseases of Ministry of EducationInstitute of Cardiovascular ResearchThe Affiliated HospitalSouthwest Medical UniversityLuzhouSichuan 646000China School of Medicine Southern University of Science and TechnologyShenzhenGuangdong 518055China

In mammals,skeletal bone development begins at hyaline cartilage formation at the early embryonic stage.1Then osteoblasts from the periosteum,which are distributed surrounding the hyaline cartilage,build up compact bone to formdiaphysis and spongy bone known as primary ossification center.1 Next,osteoclasts from the hematopoietic system destroy spongy bone to generate a medullary cavity.

关键词： cartilage skeletal medullary

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