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Comparison of biliary protein spectrum in gallstone patients with obesity and those with normal body weight

Hepatobiliary & Pancreatic Diseases International 2024年第4期23卷 385-392页

作者： Min-Zhi Chen Ping Xie Xiao-Chang Wu Zhen-Hua Tan Hai Qian Zhi-Hong Ma Xing Yao Department of Hepatopancreatobiliary Surgery Huzhou Central HospitalAffiliated Huzhou HospitalZhejiang University School of MedicineHuzhou 313000China Huzhou Key laboratory of Molecular Medicine Huzhou Central HospitalAffiliated Huzhou HospitalZhejiang University School of MedicineHuzhou 313000China

Background: Obesity is a common public health issue and is currently deemed a disease. Research has shown that the risk of gallstones in individuals with obesity is elevated. This study aimed to explore the bile proteomics differences between cholelithiasis patients with obesity and normal body weight. Methods: Bile samples from 20 patients(10 with obesity and 10 with normal body weight) who underwent laparoscopic cholecystectomy at our center were subjected to tandem mass tag labeling(TMT) and liquid chromatography-tandem mass spectrometry(LC-MS/MS), followed by further bioinformatic analysis. Results: Among the differentially expressed proteins, 23 were upregulated and 67 were downregulated. Bioinformatic analysis indicated that these differentially expressed proteins were mainly involved in cell development, inflammatory responses, glycerolipid metabolic processes, and protein activation cascades. In addition, the activity of the peroxisome proliferator-activated receptor(PPAR, a subfamily of nuclear receptors) signaling pathway was decreased in the Kyoto Encyclopedia of Genes and Genomes(KEGG) enrichment analysis. Two downregulated proteins in the PPAR signaling pathway, APO A-Ⅰ and APO A-Ⅱ, were confirmed using enzyme-linked immunosorbent assay. Conclusions: The PPAR signaling pathway may play a crucial role in the development of cholelithiasis among patients with obesity. Furthermore, biliary proteomics profiling of gallstones patients with obesity is revealed, providing a reference for future research.

关键词： Proteome profiling Gallstones Obesity-associated gallstones Tandem mass tag labeling PPAR signaling

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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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Bacteria-responsive programmed self-activating antibacterial hydrogel to remodel regeneration microenvironment for infected wound healing

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National Science Review 2024年第4期11卷 254-270页

作者： Yutong Yang Jiaxin Wang Shengfei Huang Meng Li Jueying Chen Dandan Pei Zhen Tang Baolin Guo State Key laboratory for Mechanical Behavior of Materials and Frontier Institute of Science and Technology and Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine ResearchCollege of Stomatology Xi'an Jiaotong University Department of Orthopedics Tangdu Hospital Fourth Military Medical University Department of Orthopedics The First Affiliated Hospital of Xi'an Jiaotong University

There is still an urgent need to develop hydrogels with intelligent antibacterial ability to achieve on-demand treatment of infected wounds and accelerate wound healing by improving the regeneration microenvironment. We proposed a strategy of hydrogel wound dressing with bacteria-responsive self-activating antibacterial property and multiple nanozyme activities to remodel the regeneration microenvironment in order to significantly promote infected wound healing. Specifically, p H-responsive H2O2self-supplying composite nanozyme（MSCO） and p H/enzyme-sensitive bacteria-responsive triblock micelles encapsulated with lactate oxidase（PPEL） were prepared and encapsulated in hydrogels composed of L-arginine-modified chitosan（CA） and phenylboronic acid-modified oxidized dextran（ODP） to form a cascade bacteria-responsive self-activating antibacterial composite hydrogel platform. The hydrogels respond to multifactorial changes of the bacterial metabolic microenvironment to achieve on-demand antibacterial and biofilm eradication through transformation of bacterial metabolites, and chemodynamic therapy enhanced by nanozyme activity in conjunction with self-driven nitric oxide（NO） release. The composite hydrogel showed 'self-diagnostic' treatment for changes in the wound *** self-activating antibacterial therapy in the infection stage to self-adaptive oxidative stress relief and angiogenesis in the post-infection stage, it promotes wound closure, accelerates wound collagen deposition and angiogenesis, and completely improves the microenvironment of infected wound regeneration, which provides a new method for the design of intelligent wound dressings.

关键词： bacterial response hydrogel dressing multiple nanozyme activity biofilm elimination infected motion wound healing

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Advances in single-cell sequencing technology in microbiome research

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Genes & Diseases 2024年第4期11卷 201-219页

作者： Yinhang Wu Jing Zhuang Yifei Song Xinyi Gao Jian Chu Shuwen Han Huzhou central hospital Affiliated Central Hospital Huzhou UniversityHuzhouZhejiang 313000China Key laboratory of Multiomics Research and Clinical Transformation of Digestive Cancer of Huzhou HuzhouZhejiang 313000China The Fifth affiliated Clinical Medical College of Zhejiang Chinese Medical University HangzhouZhejiang 313000China Zhejiang Provincial People's hospital and affiliated People's hospital Hangzhou Medical CollegeHangzhouZhejiang 310000China

With the rapid development of histological techniques and the widespread applica-tion of single-cell sequencing in eukaryotes,researchers desire to explore individual *** and functional expression,which deepens our understanding of *** this review,the history of the development of microbial detection technologies was revealed and the difficulties in the application of single-cell sequencing in microorganisms were dissected as ***,the characteristics of the currently emerging microbial single-cell sequencing(Microbe-seq)technology were summarized,and the prospects of the application of Microbe-seq in microorganisms were distilled based on the current development *** its mature development,the Microbe-seq technology was still in the optimization stage.A retrospective study was conducted,aiming to promote the widespread application of single-cell sequencing in microorganisms and facilitate further improvement in the technol-ogy.

关键词： Bacterialantibiotic resistance Host immunity Host-phage interaction Microbial single-cell sequencing Microorganisms Single cell Single-cell sequencing technology

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Acidic/hypoxia dual-alleviated nanoregulators for enhanced treatment of tumor chemo-immunotherapy

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Asian Journal of Pharmaceutical Sciences 2024年第2期19卷 136-152页

作者： Xiaoju Guo Xiaoxiao Chen Jiayi Ding Feng Zhang Shunyang Chen Xin Hu Shiji Fang Lin Shen Chenying Lu Zhongwei Zhao Jianfei Tu Gaofeng Shu Minjiang Chen Jiansong Ji Lishui central hospital Shaoxing UniversityShaoxing 312000China Zhejiang Key laboratory of Imaging and Interventional Medicine Imaging Diagnosis and Interventional Minimally Invasive InstituteThe Fifth Affiliated Hospital of Wenzhou Medical UniversityLishui 323000China Clinical College of The affiliated central hospital School of MedicineLishui UniversityLishui 323000China Key laboratory of Precision Medicine of Lishui Lishui 323000China

Chemotherapy plays a crucial role in triple-negative breast cancer (TNBC) treatment as it not only directly kills cancer cells but also induces immunogenic cell death. However, the chemotherapeutic efficacy was strongly restricted by the acidic and hypoxic tumor environment. Herein, we have successfully formulated PLGA-based nanoparticles concurrently loaded with doxorubicin (DOX), hemoglobin (Hb) and CaCO3 by a CaCO3-assisted emulsion method, aiming at the effective treatment of TNBC. We found that the obtained nanomedicine (DHCaNPs) exhibited effective drug encapsulation and pH-responsive drug release behavior. Moreover, DHCaNPs demonstrated robust capabilities in neutralizing protons and oxygen transport. Consequently, DHCaNPs could not only serve as oxygen nanoshuttles to attenuate tumor hypoxia but also neutralize the acidic tumor microenvironment (TME) by depleting lactic acid, thereby effectively overcoming the resistance to chemotherapy. Furthermore, DHCaNPs demonstrated a notable ability to enhance antitumor immune responses by increasing the frequency of tumor-infiltrating effector lymphocytes and reducing the frequency of various immune-suppressive cells, therefore exhibiting a superior efficacy in suppressing tumor growth and metastasis when combined with anti-PD-L1 (αPD-L1) immunotherapy. In summary, this study highlights that DHCaNPs could effectively attenuate the acidic and hypoxic TME, offering a promising strategy to figure out an enhanced chemo-immunotherapy to benefit TNBC patients.

关键词： CaCO3-based nanoparticles Hypoxia attenuation Acidity neutralization Reversal of chemotherapy resistance Enhanced chemo-immunotherapy

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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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Changes in macrophage infiltration and podocyte injury in lupus nephritis patients with repeated renal biopsy: Report of three cases

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World Journal of Clinical Cases 2024年第1期12卷 188-195页

作者： Shi-Yuan Liu Hao Chen Li-Jia He Chun-Kai Huang Pu Wang Zhang-Ru Rui Jue Wu Yang Yuan Yue Zhang Wen-Ju Wang Xiao-Dan Wang central laboratory Key Laboratory of Tumor Immunological Prevention and Treatment of Yunnan ProvinceYan'an Hospital Affiliated to Kunming Medical UniversityKunming 650051Yunnan ProvinceChina Department of Nephropathy Yan'an Hospital Affiliated to Kunming Medical UniversityKunming 650051Yunnan ProvinceChina

BACKGROUND In this study,we retrospectively analysed macrophage infiltration and podocyte injury in three patients with diffuse proliferative lupus nephritis(LN)who un-derwent repeated renal *** SUMMARY Clinical data of three diffuse proliferative LN patients with different pathological characteristics(case 1 was LN IV-G(A),case 2 was LN IV-G(A)+V,and case 3 was LN IV-G(A)+thrombotic microangiopathy)were *** patients underwent repeated renal biopsies 6 mo later,and renal biopsy specimens were *** infiltration was assessed by CD68 expression detected by immunohistochemical staining,and an immunofluorescence assay was used to detect podocin expression to assess podocyte *** treatment,Case 1 changed to LN III-(A),Case 2 remained as type V LN lesions,and Case 3,which changed to LN IV-S(A),had the worst *** observed reduced macro-phage infiltration after ***,two of the patients with active lesions after treatment still showed macrophage infiltration in the renal *** treatment,the three patients showed discontinuous expression of ***,the integrity of podocin was restored after treatment in Case *** It may be possible to reverse podocyte damage and decrease the infiltrating ma-crophages in LN patients through effective treatment.

关键词： Lupus nephritis Macrophage Podocyte Repeat renal biopsy Thrombotic microangiopathy Case report

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The pivotal role of microglia in injury and the prognosis of subarachnoid hemorrhage

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Neural Regeneration Research 2025年第7期20卷 1829-1848页

作者： Wenjing Ning Shi Lv Qian Wang Yuzhen Xu Department of Rehabilitation The Second Affiliated Hospital of Shandong First Medical UniversityTaianShandong ProvinceChina Department of central laboratory The Affiliated Taian City Central Hospital of Qingdao UniversityTaianShandong ProvinceChina

Subarachnoid hemorrhage leads to a series of pathological changes,including vascular spasm,cellular apoptosis,blood–brain barrier damage,cerebral edema,and white matter ***,which are the key immune cells in the central nervous system,maintain homeostasis in the neural environment,support neurons,mediate apoptosis,participate in immune regulation,and have neuroprotective *** evidence has shown that microglia play a pivotal role in the pathogenesis of subarachnoid hemorrhage and affect the process of injury and the prognosis of subarachnoid ***,microglia play certain neuroprotective roles in the recovery phase of subarachnoid *** approaches aimed at modulating microglia function are believed to attenuate subarachnoid hemorrhage *** provides new targets and ideas for the treatment of subarachnoid ***,an in-depth and comprehensive summary of the role of microglia after subarachnoid hemorrhage is still *** review describes the activation of microglia after subarachnoid hemorrhage and their roles in the pathological processes of vasospasm,neuroinflammation,neuronal apoptosis,blood–brain barrier disruption,cerebral edema,and cerebral white matter *** also discusses the neuroprotective roles of microglia during recovery from subarachnoid hemorrhage and therapeutic advances aimed at modulating microglial function after subarachnoid ***,microglia in subarachnoid hemorrhage are targeted with TLR inhibitors,nuclear factor-κB and STAT3 pathway inhibitors,glycine/tyrosine kinases,NLRP3 signaling pathway inhibitors,Gasdermin D inhibitors,vincristine receptorαreceptor agonists,ferroptosis inhibitors,genetic modification techniques,stem cell therapies,and traditional Chinese ***,most of these are still being evaluated at the laboratory *** clinical studies and data on subarachnoid hemorrhage are required to improve the treatment of subarachnoid hemor

关键词： apoptosis blood–brain barrier brain edema microglia neuroinflammation neuron neuroprotection subarachnoid hemorrhage vasoconstriction white matter injury

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The combined detection of carcinoembryonic antigen,carcinogenic antigen 125,and carcinogenic antigen 19-9 in colorectal cancer patients

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2073-2079页

作者： Ling-Zhen Gong Qian-Wen Wang Jie-Wen Zhu Department of Clinical laboratory Huangshi Central Hospital(Affiliated Hospital of Hubei Polytechnic University)Hubei Key Laboratory of Kidney Disease Pathogenesis and InterventionHuangshi Tumor Molecular Diagnosis and Treatment Key LaboratoryHuangshi 435000Hubei ProvinceChina

BACKGROUND Hepatic metastases are common and difficult to treat after colorectal cancer(CRC)*** predictive value of carcinoembryonic antigen(CEA),cancer antigen(CA)125 and CA19-9 combined tests for liver metastasis is *** To evaluate predictive value of combined tests for CEA,CA125,and CA19-9 levels in patients with liver metastases of *** The retrospective study included patients with CRC alone(50 cases)and patients with CRC combined with liver metastases(50 cases)who were hospitalized between January 2021 and January *** CEA,CA125 and CA19-9 levels were compared between the two groups,and binary logistic regression was used to analyze the predictive value of the combination of these tumor markers in liver *** addition,we performed receiver operating characteristic(ROC)curve analysis to assess its diagnostic *** The results showed that the serum CEA,CA125 and CA19-9 levels in the CRC with liver metastasis group were significantly higher than those in the CRC alone ***,the average serum CEA level in the CRC with liver metastasis group was 162.03±810.01 ng/mL,while that in the CRC alone group was 5.71±9.76 ng/mL;the average serum CA125 levels were 43.47±83.52 U/mL *** 13.5±19.68 U/mL;the average serum CA19-9 levels were 184.46±473.13 U/mL and 26.55±43.96 U/mL *** addition,binary logistic regression analysis showed that CA125 was significant in predicting CRC liver metastasis(P<0.05).ROC curve analysis results showed that the areas under the ROC curves of CEA,CA125 and CA19-9 were 0.607,0.692 and *** These results suggest that combined detection of these tumor markers may help early detection and intervention of CRC liver metastasis,thereby improving patient prognosis.

关键词： Colorectal cancer Liver metastasis Serum markers Carcinoembryonic antigen Cancer antigen 125 Cancer antigen 19-9 Receiver operating characteristic analysis

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Progression from ductal carcinoma in situ to invasive breast cancer:molecular features and clinical significance

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Signal Transduction and Targeted Therapy 2024年第5期9卷 1841-1868页

作者： Jing Wang Baizhou Li Meng Luo Jia Huang Kun Zhang Shu Zheng Suzhan Zhang Jiaojiao Zhou The Key laboratory of Cancer Prevention and Intervention China National Ministry of Educationthe Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina Department of Breast Surgery and Oncology the Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina Zhejiang Provincial Clinical Research Center for Cancer HangzhouChina Department of Pathology the Fourth Affiliated HospitalZhejiang University School of MedicineYiwuChina Department of Plastic Surgery the Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina Cancer Center Zhejiang UniversityHangzhouChina

Ductal carcinoma in situ(DCIS)represents pre-invasive breast *** untreated cases,25-60%DCIS progress to invasive ductal carcinoma(IDC).The challenge lies in distinguishing between non-progressive and progressive DCIS,often resulting in over-or under-treatment in many *** increasing screen-detected DCIS in these years,the nature of DCIS has aroused worldwide attention.A deeper understanding of the biological nature of DCIS and the molecular journey of the DCIS-IDC transition is crucial for more effective clinical ***,we reviewed the key signaling pathways in breast cancer that may contribute to DCIS initiation and *** also explored the molecular features of DCIS and IDC,shedding light on the progression of DCIS through both inherent changes within tumor cells and alterations in the tumor *** addition,valuable research tools utilized in studying DCIS including preclinical models and newer advanced technologies such as single-cell sequencing,spatial transcriptomics and artificial intelligence,have been systematically ***,we thoroughly discussed the clinical advancements in DCIS and IDC,including prognostic biomarkers and clinical managements,with the aim of facilitating more personalized treatment strategies in the *** on DCIS has already yielded significant insights into breast carcinogenesis and will continue to pave the way for practical clinical applications.

关键词： clinical breast alterations

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