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The lactylation index predicts the immune microenvironment and prognosis of pan-cancer patients

BIOCELL 2024年第8期48卷 1223-1239页

作者： XUEJIA ZHAI JIE LIU JINWEI XIAO TAO ZHANG JUN WANG JIANJUN LI SHICANG YU department of Oncology Southwest HospitalThird Military Medical University(Army Medical University)Chongqing400038China department of Stem Cell and Regenerative medicine Institute of Pathology and Southwest Cancer CenterSouthwest HospitalThird Military Medical University(Army Medical University)Chongqing400038China Key Laboratory of Cancer Immunopathology Ministry of EducationChongqing400038China International Joint Research Center for Precision Biotherapy Ministry of Science and TechnologyChongqing400038China Jin-feng Laboratory Chongqing401329China

Background:Protein lactylation is a new way for the“metabolic waste”lactic acid to perform novel ***,our understanding of the contribution of protein lactylation to both tumor progression and therapeutic interventions remains *** construction of a scoring system for lactylation to predict the prognosis of pancancer patients and to evaluate the tumor immune microenvironment(TIME)would improve our understanding of the clinical significance of ***:Consensus clustering analysis of lactylation-related genes was used to cluster 177 pancreatic adenocarcinoma(PAAD)***,a scoring system was developed using the least absolute shrinkage and selection operator(LASSO)*** validation and external validation were both conducted to assess and confirm the predictive accuracy of the scoring ***,leucine rich repeat containing 1(LRRC1),a newly discovered lactylation-related gene,was analyzed in PAAD in ***:Utilizing the profiles of 332 lactylation-related genes,a total of 177 patients with PAAD were segregated into two distinct ***^(high) patients had a poorer prognosis than LacCluster^(low) *** the differential analysis between the LacCluster^(high) and LacCluster^(low) groups,we identified additional genes associated with *** genes were then integrated to construct the LacCluster-enhanced system,which enabled more accurate prognosis prediction for patients with ***,a lactylation index containing three genes(LacI-3)was constructed using LASSO *** was done to enhance the usability of the LacCluster-enhanced system in the *** to those in the LacI-3^(high) subgroup,patients in the LacI-3^(low) subgroup exhibited increased expression of immune checkpoint-related genes,more immune cell infiltration,lower tumor mutation burdens,and better prognoses,indicating a“hot tumor”***,knocking down the expression of LRRC1,

关键词： Pancreatic adenocarcinoma Pan-cancer Lactylation Prognosis Tumor immune microenvironment LRRC1

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The role of lipid metabolism in osteoporosis:Clinical implication and cellular mechanism

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Genes & Diseases 2024年第4期11卷 220-233页

作者： Jing Zhang Wenhui Hu Zhi Zou Yuheng Li Fei Kang Jianmei Li Shiwu Dong College of Bioengineering Chongqing UniversityChongqing 400044China department of Biomedical Materials Science College of Biomedical EngineeringArmy Medical University(Third Military Medical University)Chongqing 400038China State Key Laboratory of Trauma and Chemical Poisoning Army Medical University(Third Military Medical University)Chongqing 400038China

In recent years,researchers have become focused on the relationship between lipids and bone metabolism ***,many diseases related to lipid metabolism dis-orders,such as nonalcoholic fatty liver disease,atherosclerosis,obesity,and menopause,are associated with osteoporotic *** has been clinically observed in humans that these lipid metabolism disorders promote changes in osteoporosis-related indicators bone mineral density and bone ***,similar osteoporotic phenotype changes were observed in high-fat and high-cholesterol-induced animal *** lipid metabolism(such as increased oxidized lipids and elevated plasma cholesterol)affects bone microenvironment ho-meostasis via cross-organ communication,promoting differentiation of mesenchymal stem cells to adipocytes,and inhibiting commitment towards ***,disturbances in lipid metabolism affect the bone metabolism balance by promoting the secretion of cyto-kines such as receptor activator of nuclear factor-kappa B ligand by osteoblasts and stimulating the differentiation of ***,this review addresses the possible link be-tween lipid metabolism disorders and osteoporosis and elucidates the potential modulatory mechanisms and signaling pathways by which lipid metabolism affects bone metabolism *** also summarize the possible approaches and prospects of intervening lipid meta-bolismforosteoporosistreatment.

关键词： Bone homeostasis Cross-organ communication Lipid metabolism Osteoclast Osteoporosis

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Treatment refractory mast cell leukemia with dominant gastrointestinal manifestation and concomitant skin symptoms:A case report

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World Journal of Clinical Cases 2024年第20期12卷 4317-4324页

作者： Maciej Tomasz Wysocki Maciej Gonciarz Bartosz Puła department of Gastroenterology and Internal medicine Military Institute of Medicine-National Research InstituteWarsaw 04-141Poland department of Hematology Institute of Hematology and Transfusion MedicineWarsaw 02-776Poland

BACKGROUND Mast cell leukemia(MCL),a subtype of systemic mastocytosis(SM),is an extremely rare clinical entity characterized by a very poor ***,tyrosine kinase inhibitors,and allogeneic hematopoietic cell transplantation are the only treatment options,but they cannot provide the desired outcomes in most cases of ***,other types of SM can be successfully *** disease has no specific manifestation,but gastroenterological symptoms are present in most *** SUMMARY The authors,hereby,report a case of a 46-year-old female patient diagnosed with MCL-the rarest subtype of *** patient presented to the gastroenterology clinic with multiple,various,and unspecific gastroenterological *** of skin lesions significantly contributed to a relatively prompt *** serum tryptase level was extremely high and bone the marrow aspirate showed an infiltration of atypical mast *** disease was rapidly progressive and primary refractory to chemotherapy and the patient succumbed to the illness about a month after the initiation of *** Despite its“hematological nature”,MCL,in most cases presents dominantly with unspecific gastroenterological ***,a high disease awareness among physicians other than hematologists is necessary to improve treatment *** tryptase level,due to its non-invasive nature and easy access,may serve as an initial step to estimate the probability of mastocytosis.

关键词： Mastocytosis Systemic mastocytosis Mast cell leukemia Tryptase Case report

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Nomogram based on liver stiffness and spleen area with ultrasound for posthepatectomy liver failure:A multicenter study

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World Journal of Gastroenterology 2024年第27期30卷 3314-3325页

作者： Guang-Wen Cheng Yan Fang Li-Yun Xue Xiao-Hui Qiao Xue-Qi Li Yan Zhang Jia Guo Xiao-Yan Xie Hong Ding department of Ultrasound Huashan HospitalFudan UniversityShanghai 200040China department of Ultrasound Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese MedicineShanghai 201203China department of Medical Ultrasonics Institute of Diagnostic and Interventional UltrasoundSun Yat-sen University First Affiliated HospitalGuangzhou 510080Guangdong ProvinceChina Institute of Ultrasound in medicine and Engineering Shanghai Cancer CenterShanghai 200040China department of Ultrasound Eastern Hepatobiliary Surgical HospitalSecond Military Medical UniversityShanghai 200433China department of Ultrasound National Clinical Research Center for Aging and MedicineHuashan HospitalFudan UniversityShanghai 200040China

BACKGROUND Liver stiffness(LS)measurement with two-dimensional shear wave elastography(2D-SWE)correlates with the degree of liver fibrosis and thus indirectly reflects liver function *** size of the spleen increases due to tissue proliferation,fibrosis,and portal vein congestion,which can indirectly reflect the situation of liver fibrosis/*** was reported that the size of the spleen was related to posthepatectomy liver failure(PHLF).So far,there has been no study combining 2D-SWE measurements of LS with spleen size to predict *** prospective study aimed to investigate the utility of 2D-SWE assessing LS and spleen area(SPA)for the prediction of PHLF in hepatocellular carcinoma(HCC)patients and to develop a risk prediction *** To investigate the utility of 2D-SWE assessing LS and SPA for the prediction of PHLF in HCC patients and to develop a risk prediction *** This was a multicenter observational study prospectively analyzing patients who underwent hepatectomy from October 2020 to March *** 1 wk before partial hepatectomy,ultrasound examination was performed to measure LS and SPA,and blood was drawn to evaluate the patient’s liver function and other *** absolute shrinkage and selection operator logistic regression and multivariate logistic regression analysis was applied to identify independent predictors of PHLF and develop a *** performance was validated *** diagnostic performance of the nomogram was evaluated with receiver operating charac-teristic curve compared with the conventional models,including the model for end-stage liver disease(MELD)score and the albumin-bilirubin(ALBI)*** A total of 562 HCC patients undergoing hepatectomy(500 in the training cohort and 62 in the validation cohort)were enrolled in this *** independent predictors of PHLF were LS,SPA,range of resection,blood loss,international normalized ratio,and total *** diagnostic performanc

关键词： Shear-wave elastography Spleen Hepatectomy Posthepatectomy liver failure Hepatocellular carcinoma

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Risk Factors and Predictive Nomogram for Survival in Elderly Patients with Brain Glioma

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Current Medical Science 2024年第4期44卷 759-770页

作者： Zhi-cheng FAN Wen-jian ZHAO Yang JIAO Shao-chun GUO Yun-peng KOU Min CHAO Na WANG Chen-chen ZHOU Yuan WANG Jing-hui LIU Yu-long ZHAI Pei-gang JI Chao FAN Liang WANG department of Neurosurgery Tangdu HospitalFourth Military Medical UniversityXi'an 710038China department of Neurosurgery Shannxi University of Chinese MedineXianyang 712046China department of Neurosurgery Xi'an Medical UniversityXi'an 710021China

Objective To determine the factors that contribute to the survival of elderly individuals diagnosed with brain glioma and develop a prognostic *** Data from elderly individuals(age≥65 years)histologically diagnosed with brain glioma were sourced from the Surveillance,Epidemiology,and End Results(SEER)*** dataset was randomly divided into a training cohort and an internal validation cohort at a 6:4 ***,data obtained from Tangdu Hospital constituted an external validation cohort for the *** identification of independent prognostic factors was achieved through the least absolute shrinkage and selection operator(LASSO)and multivariate Cox regression analysis,enabling the construction of a *** performance was evaluated using C-index,ROC curves,calibration plot and decision curve analysis(DCA).Results A cohort of 20483 elderly glioma patients was selected from the SEER *** prognostic factors(age,marital status,histological type,stage,and treatment)were found to significantly impact overall survival(OS)and cancer-specific survival(CSS),with tumor location emerging as a sixth variable independently linked to ***,nomogram models were developed to predict the probabilities of survival at 6,12,and 24 *** assessment findings from the validation queue indicate a that the model exhibited strong *** Our nomograms serve as valuable prognostic tools for assessing the survival probability of elderly glioma *** can potentially assist in risk stratification and clinical decision-making.

关键词： elderly brain glioma Surveillance,Epidemiology,and End Results(SEER) nomogram prognosis prediction model

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BTF3L4 Overexpression Mediates APAP-induced Liver Injury in Mouse and Cellular Models

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Journal of Clinical and Translational Hepatology 2024年第3期12卷 245-256页

作者： Junchao Lin Aqiang Fan Zhujin Yifu Qibing Xie Liu Hong Wei Zhou State Key Laboratory of Cancer Biology National Clinical Research Center for Digestive Diseases and Xijing Hospital of Digestive DiseasesAir Force Military Medical UniversityXi’anShaanxiChina department of Digestive Surgery Xijing HospitalAir Force Military Medical UniversityXi’anShaanxiChina

Background and Aims:Acetaminophen(APAP)-induced liver injury(AILI)has an increasing incidence ***,the mechanisms contributing to such liver injury are largely unknown and no targeted therapy is currently *** study aimed to investigate the effect of BTF3L4 overexpression on apoptosis and inflammation regulation in vitro and in ***:We performed a proteomic analysis of the AILI model and found basic transcription factor 3 like 4(BTF3L4)was the only outlier transcription factor overexpressed in the AILI model in ***3L4 overexpression increased the degree of liver injury in the AILI ***:BTF3L4 exerts its pathogenic effect by inducing an inflammatory response and damaging mitochondrial *** BTF3L4 expression increases the degree of apoptosis,reactive oxygen species generation,and oxidative stress,which induces cell death and liver *** damage of mitochondrial function by BTF3L4 triggers a cascade of events,including reactive oxygen species accumulation and oxidative *** to the available AILI data,BTF3L4 expression is positively associated with inflammation and may be a potential biomarker of ***:Our results suggest that BTF3L4 is a pathogenic factor in AILI and may be a potential diagnostic maker for AILI.

关键词： BTF3L4 APAP-induced liver injury Apoptosis Mitochondrial morphology Inflammation

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An Integral Method for Solving Dynamic Equations with Fluid–Solid Coupling

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Acta Mechanica Solida Sinica 2024年第1期37卷 99-108页

作者： Xin Zhang Jie Liu Pu Xue Shuowen Yan Yahao Xu M.S.Zahran School of Aeronautics Northwestern Polytechnical UniversityXi'an 710072China School of Mechatronical Engineering Beijing Institute of TechnologyBeijing 100081China department of Civil Engineering Military Technical CollegeCairo 11435Egypt

In this work,a new methodology is presented to mainly solve the fluid–solid interaction(FSI)*** methodology combines the advantages of the Newmark precise integral method(NPIM)and the dual neural network(DNN)*** NPIM is employed to modify the exponential matrix and loading vector based on the DNN integral *** involves incorporating the basic assumption of the Newmark-βmethod into the dynamic equation and eliminating the acceleration term from the dynamic equilibrium *** a result,the equation is reduced to a first-order linear equation ***,the PIM is applied to integrate the system step by step within the *** DNN method is adopted to solve the inhomogeneous term through fitting the integrand and the original function with a pair of neural networks,and the integral term is solved using the Newton–Leibniz *** examples demonstrate that the proposed methodology significantly improves computing efficiency and provides sufficient precision compared to the DNN *** is particularly evident when analyzing large-scale structures under blast loading conditions.

关键词： Newmark precise integral method(NPIM) Dual neural networks(DNN) Fluid-solid interaction(FSI) Dynamic time-history analysis Blast loading

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Post-transcriptional regulation of DEAD-box RNA helicases in hematopoietic malignancies

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Genes & Diseases 2024年第5期11卷 315-323页

作者： Jiankun Fan Zhigang Li Li Pei Yu Hou Institute of Life Sciences Chongqing Medical UniversityChongqing 400016China department of Hematology Southwest HospitalThird Military Medical University(Army Medical University)Chongqing 400038China

Hematopoiesis represents a meticulously regulated and dynamic biological *** aberrations affecting blood cells,induced by various factors,frequently give rise to hematological *** instances are often accompanied by a multitude of abnormal post-transcriptional regulatory events,including RNA alternative splicing,RNA localization,RNA degradation,and ***,post-transcriptional regulation plays a pivotal role in preserving hematopoietic *** DEAD-Box RNA helicase genes emerge as crucial post-transcriptional regulatory factors,intricately involved in sustaining normal hematopoiesis through diverse mechanisms such as RNA alternative splicing,RNA modification,and ribosome *** review consolidates the existing knowledge on the role of DEAD-box RNA helicases in regulating normal hematopoiesis and underscores the pathogenicity of mutant DEADBox RNA helicases in malignant *** is placed on elucidating both the positive and negative contributions of DEAD-box RNA helicases within the hematopoietic system.

关键词： DEAD-box RNA helicase Hemopoietic system Post-transcriptional regulation Ribosomes assembly RNA alternative splicing

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Exploration of The Construction Path of Sports Injury and First Aid Course Systems for College Students

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Journal of Clinical and Nursing Research 2024年第4期8卷 105-109页

作者： Xiaobo Zhan Haiyan Liu Dan Tan department of Emergency medicine The Second Affiliated Hospital of Army Military Medical UniversityChongqing 400037China

By the requirements of the Ministry of Education on life safety education, colleges, and universities have set up a course on Sports Injury and First Aid to organize relevant knowledge and increase the student’s awareness of first aid knowledge so that they can use reasonable methods to address sport-related injuries. At the same time, they can cope with first-aid situations and assist rescuers in completing resuscitation activities. This paper is based on the study of three colleges in Chongqing. This paper selected students from 3 universities in Chongqing and evaluated the mastery of first aid knowledge of college students, pointing out the value of implementing the “Sports Injury and First Aid” course in colleges and universities. This can provide opportunities to improve the theoretical content of the discipline, actively carry out practical activities, reasonably set the assessment method, and provide basic protection to ensure that the “Sports Injury and First Aid” course can be carried out normally to improve the mastery level of students’ first aid knowledge.

关键词： College students Sports injury and first aid course Infrastructure Faculty strength

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The emerging tumor microbe microenvironment: From delineation to multidisciplinary approach-based interventions

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Acta Pharmaceutica Sinica B 2024年第4期14卷 1560-1591页

作者： Yu Fu Jia Li Wenyun Cai Yulan Huang Xinlong Liu Zhongyi Ma Zhongjie Tang Xufei Bian Ji Zheng Jiayun Jiang Chong Li Medical Research Institute College of Pharmaceutical SciencesSouthwest UniversityChongqing 400715China Institute of Hepatobiliary Surgery Southwest HospitalThird Military Medical University(Army Medical University)Chongqing 400038China department of Urology Urologic Surgery CenterXinqiao HospitalThird Military Medical University(Army Medical University)Chongqing 400037China

Intratumoral microbiota has become research hotspots,and emerges as a non-negligent new component of tumor microenvironments(TME),due to its powerful infuence on tumor initiation,metas-tasis,immunosurveillance and prognosis despite in *** accumulations of microbes,and their related components and metabolites within tumor tissues,endow TME with additional pluralistic features which are distinct from the conventional ***,it's definitely necessary to comprehen-sively delineate the sophisticated landscapes of tumor microbe microenvironment,as well as their func-tions and related underlying ***,in this review,we focused on the fields of tumor microbe microenvironment,including the heterogeneity of intratumor microbiota in different types of tu-mors,the controversial roles of intratumoral microbiota,the basic features of tumor microbe microenvi-ronment(i.e.,pathogen-associated molecular patterns(PAMPs),typical microbial metabolites,autophagy,infammation,multi-faceted immunomodulation and chemoresistance),as well as the multi-disciplinary approach-based intervention of tumor microbiome for cancer therapy by applying wild-type or engineered live microbes,microbiota metabolites,antibiotics,synthetic biology and rationally de-signed *** hope our work will provide valuable insight to deeply understand the interplay of cancer-immune-microbial,and facilitate the development of microbes-based tumor-specific treatments.

关键词： Tumor microbe microenvironment Microbiota metabolites Immunomodulation Chemoresistance Multidisciplinary approach Genetically engineered microbiota Autophagy Outer membrane vesicles

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