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Impact of short-term ambient air pollution exposure on the risk of severe COVID-19

Journal of Environmental Sciences 2024年第1期135卷 610-618页

作者： Baihuan Feng Jiangshan Lian Fei Yu Dan Zhang Weizhen chen QiWang Yifei Shen Guoliang Xie Ruonan Wang yun Teng Bin Lou Shufa Zheng Yida Yang Yu chen Department of Laboratory Medicine The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310000China Key Laboratory of Clinical In Vitro Diagnostic Techniques of Zhejiang Province Hangzhou 310000China Institute of Laboratory Medicine Zhejiang UniversityHangzhou 310000China Department of Infectious Diseases The First Affiliated HospitalZhejiang University School of MedicineHangzhou 310000China State Key Laboratory for Diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious Diseasesthe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310000China

Ecological studies suggested a link between air pollution and severe COVID-19 outcomes,while studies accounting for individual-level characteristics are *** the present study,we aimed to investigate the impact of short-term ambient air pollution exposure on disease severity among a cohort of 569 laboratory confirmed COVID-19 patients admitted to designated hospitals in Zhejiang province,China,from January 17 to March 3,2020,and elucidate the possible biological processes involved using *** with mild cases,severe cases had higher proportion of medical conditions as well as unfavorable results in most of the laboratory tests,and manifested higher air pollution exposure *** exposure to air pollutants was associated with increased risk of severe COVID-19 with odds ratio(OR)of 1.89(95%confidence interval(CI):1.01,3.53),2.35(95%CI:1.20,4.61),2.87(95%CI:1.68,4.91),and 2.01(95%CI:1.10,3.69)for PM_(2.5),PM_(10),NO_(2)and CO,*** for NO_(2)remained significant in two-pollutant models after adjusting for other *** analysis showed 884 differentially expressed genes which mainly were enriched in virus clearance related biological processes between patients with high and low NO_(2)exposure levels,indicating that compromised immune response might be a potential underlying mechanistic *** findings highlight the impact of shortterm air pollution exposure,particularly for NO_(2),on COVID-19 severity,and emphasize the significance in mitigating the COVID-19 burden of commitments to improve air quality.

关键词： Air pollution COVID-19 Severity Transcriptomics Immune response

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Application of exosomal miRNA mediated macrophage polarization in colorectal cancer:Current progress and challenges

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Oncology Research 2024年第1期32卷 61-71页

作者： yun ZHANG SHALING TANG YUBO GAO ZHONGTING LU YUAN YANG JING chen TAO LI Department of Oncology School of Clinical MedicineNingxia Medical UniversityYinchuanChina General Hospital of Ningxia Medical University YinchuanChina School of Basic Medical Sciences Ningxia Medical UniversityYinchuanChina Department of Surgical Oncology Tumor HospitalThe General Hospital of Ningxia Medical UniversityYinchuanChina

Colorectal cancer(CRC)is a major global health problem with high morbidity and mortality *** resection is the main treatment for early-stage CRC,but detecting it early is ***,effective therapeutic targets for advanced patients are still ***,tiny vesicles in body fluids,play a crucial role in tumor metastasis,immune regulation,and drug ***,they can even serve as a biomarker for cancer diagnosis and *** have shown that exosomes can carry miRNA,mediate the polarization of M1/M2 macrophages,promote the proliferation and metastasis of cancer cells,and affect the prognosis of *** the gastrointestinal tract has many macrophages,understanding the mechanism behind exosomal miRNA-mediated macrophage polarization in CRC treatment is *** article summarizes recent advancements in the study of exosomal miRNAs in CRC and their potential as diagnostic and prognostic markers.

关键词： Colorectal cancer Exosomes microRNA Macrophages Treatment

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Identification prognostic features related to sphingolipid metabolism and experimental validation of TRIM47 in hepatocellular carcinoma

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BIOCELL 2024年第4期48卷 639-651页

作者： JIAN TANG chenQIANG ZHU yun chen yunLONG WU MING HE YI ZHOU MINGHUA XIE Department of Intensive Care Unit The First People’s Hospital of Linping DistrictHangzhouChina Department of Pharmacy The First People’s Hospital of Linping DistrictHangzhouChina

Background:The speciﬁc impact of sphingolipid metabolism on developing hepatocellular Carcinoma(HCC)remains *** study aims to explore the relationship between sphingolipid metabolism and HCC prognosis,immune response,and drug ***:Data were obtained from The Cancer Genome Atlas(TCGA)-Hepatocellular Carcinoma(LIHC)and Gene Expression Omnibus(GEO,GSE14520 datasets).47 sphingolipid metabolism genes were obtained from the Kyoto Encyclopedia of Genes and Genomes(KEGG)*** classifying HCC samples using the Non-negative Matrix Factorization(NMF)clustering method,differentially expressed genes were ***,8 risk genes were obtained by univariate analysis,survival random forest reduction and lasso *** expression of 8 risk genes was veriﬁed in ***:8 risk genes were used to construct the Sphingolipid score ***-Sphingolipid score predicted poor prognosis of HCC *** score was associated with immune checkpoints(IL-1B,TLR4,TGFB1,and IL-10),immune cells(Th2,Treg,MDSC,Neutrophil,Fibroblasts and macrophage),and MAPK *** the High-Sphingolipid score group,a signiﬁcantly higher proportion of patients with TP53(p53)mutations was signiﬁcantly higher(56%).Furthermore,patients with a high-Sphingolipid score were predicted to have a higher sensitivity to chemotherapy *** vitro validation showed that compared with normal liver cells LX-2,TRIM47,and S100A9 signiﬁcantly increased in liver cancer cells Hep G2,MHCC-97H,and Hep3B2.1-7,while SLC1A7,LPCAT1,and CFHR4 signiﬁcantly *** TRIM47 reduced the proliferation and promoted *** levels of ceramide synthesis-related indexes(CERS1,CERS6,CERS5,and SPTLC2)increased,and the ACER3 related to catalytic hydrolysis ***:We constructed a sphingolipid metabolism-related prognostic signature(Sphingolipid score)based on 8 risk ***47 may affect the development of liver cancer by regulating the relevant indicators of

关键词： Hepatocellular carcinoma Sphingolipid metabolism TRIM47 Prognosis

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Therapeutic effect of manual massage on early postpartum rectus abdominis separation and postpartum depression

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World Journal of Psychiatry 2024年第5期14卷 678-685页

作者： yun chen Xiao-Yan Sun cheng Qian Xiao-Xing Zhang Yin-Jian Zhou Hong-yun Zhang Zhen-Wei Xie Department of Gynecology Women’s Hospital School of Medicine Zhejiang UniversityHangzhou 310006Zhejiang ProvinceChina Department of Obstetrics and Gynecology Huzhou Maternity and Child Health Care HospitalHuzhou 313000Zhejiang ProvinceChina Department of Surgery Huzhou Maternity and Child Health Care HospitalHuzhou 313000Zhejiang ProvinceChina Department of Obstetrics Huzhou Maternity and Child Health Care HospitalHuzhou 313000Zhejiang ProvinceChina Department of Ultrasound Women’s Hospital School of Medicine Zhejiang UniversityHangzhou 310006Zhejiang ProvinceChina

BACKGROUND Rectus abdominis separation(DRA)affects pelvic stability and body *** studies have explored the effects of manual massage on early postpartum DRA and postpartum *** To analyze the curative effect of massage on early postpartum DRA and its impact on postpartum depression and thus its ability promote the overall psychosomatic rehabilitation of postpartum *** Data were retrospectively collected on 70 primiparous women with postpartum DRA who underwent rehabilitation at the Postpartum Rehabilitation Center of Huzhou Maternal and Child Health Hospital from October 2022 to September *** patients were divided into the Group S(35 cases,biomimetic electrical stimulation treatment)and Group L(35 cases,biomimetic electrical stimulation combined with manual massage treatment).Baseline data,the edinburgh postpartum depression scale(EPDS)score,and the visual analog scale(VAS)scores for rectus abdominis distance,waist circumference,and lower back pain before and after treatment were *** No significant differences were found in the baseline data,rectus abdominis distance,waist circumference,and VAS and EPDS scores between the two groups before treatment(P>0.05).After treatment,the distance between rectus abdominis and waist circumference in Group L were significantly smaller than those in Group S(P<0.05).Furthermore,lower back pain(VAS score)and the EPDS score in Group L were significantly lower than those in Group S(P<0.05).CONCLUSION Manual massage can significantly reduce early postpartum DRA,waist circumference,and back pain and improve the patient’s mental state and postpartum depression.

关键词： Manual massage Postpartum Rectus abdominis muscle separation Postpartum depression

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Analysis and monitoring of drug therapy in a patient with peptic ulcer complicated by infection:A case report

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World Journal of Clinical Cases 2024年第8期12卷 1530-1535页

作者： Yan-Ping Gou Yue Huang Li chen Wei Zheng yun-Hua Zheng The Second People’s Hospital of Meishan City&Renshou County People’s Hospital Meishan 620500Sichuan ProvinceChina Quality Evaluation and Medical Record Management The Affiliated Hospital of Southwest Jiaotong University&The Third People's Hospital of ChengduChengdu 610000Sichuan ProvinceChina Patriotic Health Campaign Qionglai City Health BureauChengdu 610000Sichuan ProvinceChina

BACKGROUND The role of primary-level medical pharmacists in medical institutions in China is limited;therefore,it is necessary to explore the role of pharmacists in the process of drug *** SUMMARY A Chinese pharmacist participated in the complete treatment of a patient with a duodenal *** rationale for drug treatment was evaluated,and adjustments were made to the antacid and anti-infective regimen,as well as the dose and frequency of *** temperature,routine blood examination,and adverse drug reactions were strictly *** treatment,the pharmacist recommended anti-infective therapy with ampicillin-sulbactam,which effectively controlled the ***,the pharmacist suggested changing famotidine to lansoprazole for acid suppression and gastroprotective treatment,combined with Chinese patent medicine such as Kangfuxin *** is the first case report of a pharmacist in primary-level medical institutions adjusting drug use for patients with duodenal ulcer and pulmonary *** A pharmacist participated in the treatment process,provided individualized medication adjustment,and achieved good clinical results.

关键词： Ampicillin-sulbactam Famotidine Lansoprazole Kangfuxin Liquid Chinese pharmacist Case report

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Design and fabrication of lightweight AlCrFeNiTi_(x) compositionally complex alloys with exceptional specific strength

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Rare Metals 2024年第7期43卷 3314-3328页

作者： Jun-Zhi Li Wei-Zong Bao Jie chen Bo-Hua Yu Kun Zuo Tian Gao Ze-yun Cai Guo-Qiang Xie School of Materials Science and Engineering Harbin Institute of Technology(Shenzhen)Shenzhen 518055China State Key Laboratory of Advanced Welding and Joining Harbin Institute of TechnologyHarbin 150001China

This study focuses on compositionally complex alloys(CCAs),aiming to achieve a balance between high strength and low density for new energy and aerospace *** composition of AlCrFeNiTi_(x) CCAs is strategically guided by employing density functional theory and the theoretical design of thermodynamic *** CCAs,particularly AlCrFeNiTi_(0.25) alloy,demonstrate remarkable specific yield strength(1640.8 MPa) and 22.7% maximum *** incorporation of Ti facilitates the formation of lightweight and high-strength L2_(1)phase,contributing to the overall high specific *** effects of grain boundary strengthening,solid solution strengthening,Orowan strengthening and Peierls flow stress further enhance *** exploration of micros tructural changes during fracture reveals the role of ordered phases in suppressing crack propagation and absorbing energy within disordered phases,thereby improving the toughness and fracture resistance of *** methods and discoveries establish a robust foundation for advancing the development of novel lightweight CCAs.

关键词： Lightweight Compositionally complex alloys Specific yield strength

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Construction of the underlying circRNA-miRNA-mRNA regulatory network and a new diagnostic model in ulcerative colitis by bioinformatics analysis

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World Journal of Clinical Cases 2024年第9期12卷 1606-1621页

作者： Yu-Yi Yuan Hui Wu Qian-yun chen Heng Fan Bo Shuai Department of Integrated Traditional Chinese and Western Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022Hubei ProvinceChina

BACKGROUND Circular RNAs(circRNAs)are involved in the pathogenesis of many diseases through competing endogenous RNA(ceRNA)regulatory *** To investigate a circRNA-related ceRNA regulatory network and a new predictive model by circRNA to understand the diagnostic mechanism of circRNAs in ulcerative colitis(UC).METHODS We obtained gene expression profiles of circRNAs,miRNAs,and mRNAs in UC from the Gene Expression Omnibus *** circRNA-miRNA-mRNA network was constructed based on circRNA-miRNA and miRNA-mRNA *** enrichment analysis was performed to identify the biological mechanisms involved in *** identified the most relevant differential circRNAs for diagnosing UC and constructed a new predictive nomogram,whose efficacy was tested with the C-index,receiver operating characteristic curve(ROC),and decision curve analysis(DCA).RESULTS A circRNA-miRNA-mRNA regulatory network was obtained,containing 12 circRNAs,three miRNAs,and 38 *** optimal prognostic-related differentially expressed circRNAs,hsa_circ_0085323 and hsa_circ_0036906,were included to construct a predictive *** model showed good discrimination,with a C-index of 1(>0.9,high accuracy).ROC and DCA suggested that the nomogram had a beneficial diagnostic *** This novel predictive nomogram incorporating hsa_circ_0085323 and hsa_circ_0036906 can be conveniently used to predict the risk of *** circRNa-miRNA-mRNA network in UC could be more clinically significant.

关键词： Circular RNAs RNA regulatory network Ulcerative colitis New predictive model Bioinformatics Diagnose

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Pd@Ir-LOD multienzyme utilizing endogenous lactate consumption cooperates with photothermal for tumor therapy

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Nano Research 2024年第1期17卷 270-281页

作者： Zichen Ye yun Li Jingchao Li Xinyan Hu Jinyang Zheng Gongxin Zhang Sijin Xiang Tianbao Zhu Zhide Guo Xiaolan chen State Key Laboratory for Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials and Engineering Research Center for Nano-Preparation Technology of Fujian ProvinceCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics&Center for Molecular Imaging and Translational Medicine School of Public Health Xiamen UniversityXiamen 361102China The High Educational Key Laboratory for Biomedical Engineering&Key Laboratory of Fire Retardant Materials of Fujian Province Department of BiomaterialsCollege of MaterialsXiamen UniversityXiamen 361102China

Lactic acid(LA)plays a major role in the occurrence,development,and spread of *** by its high accumulation in tumor site,a novel lactate oxidase(LOD)conjugated two-dimensional Pd@Ir nanoplatform(Pd@Ir-LOD,PIL)was fabricated to combine cascade reaction with photothermal for tumor *** detail,the overexpressed LA in tumor microenvironment(TME)was a key factor to activate the PIL-based cascade reaction:(1)Plenty of H_(2)O_(2)could be generated from LA by the catalysis of LOD with O_(2);(2)potent·OH was produced from H_(2)O_(2)due to the peroxidase(POD)-like activity of PIL;(3)meantime,PIL’s catalase(CAT)-like activity could decompose part H_(2)O_(2)into O_(2)to achieve the purpose of LA cyclic ***,the reduced glutathione(GSH)scavenging capability of PIL might protect the produced reactive oxygen species(ROS)from being cleared to further improve the cascade therapeutic *** importantly,PIL had excellent photothermal conversion efficiency(37.35%)and manifested a surprising temperature rising effect in *** together,the decreasing LA concentration,accumulation of high-toxic ROS,the depletion of GSH together with the higher intra-tumoral temperature potently enhanced in vivo antitumor ***,a promising therapeutic tactic based on PIL integrating endogenous LA consumption,chemodynamic therapy(CDT),and photothermal therapy(PTT)has been put forward.

关键词： lactate oxidase chemodynamic therapy photothermal therapy cascade reaction tumor microenvironment

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Prediction of suitable water content in granulation of sintering mixture based on Litster's model

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Journal of Iron and Steel Research(International) 2024年第3期31卷 552-560页

作者： Fang-lei Dai Xiao-hui Fan Xiao-xian Huang Xu-ling chen Min Gan Zhi-yun Ji Zeng-qing Sun School of Minerals Processing and Bioengineering Central South UniversityChangsha 410083HunanChina

Suitable water content plays a decisive role in the granulation of sintering ***,a method was proposed to predict the suitable water content for effective granulation on the basis of Litster's granulation *** granulation effectiveness of a sintering mixture was predicted by the model,with the allowance error of±10%.The effects of the water absorption properties,particle size composition and content of adhesive particles on the suitable water content were *** results showed that the allowable error of prediction was within±0.5%compared to the experimentally determined suitable water *** an increase in adhesive powder content of mixtures with higher water absorption,the suitable water content increased to achieve similar granulation ***,as the amount of concentrates increased,the suitable water content first increased and then remained *** influence of the water absorption characteristics of the adhesive particles on the suitable water content was less than that of their particle size composition in the mixture.

关键词： Adhesive particle Sintering mixture Granulation effectiveness Suitable water content

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Mechanism of Mingjing Granules in Treating Wet Age-Related Macular Degeneration Based on Network Pharmacology and Experimental Verification

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World Journal of Traditional Chinese Medicine 2024年第1期10卷 22-32页

作者： Xiao-Yu Li Li-Na Liang Wei-Jun Zhang yun Gao Qiang chen Eye Function Laboratory Eye HospitalChina Academy of Chinese Medical SciencesBeijingChina China Evidence-Based Medicine Center for Traditional Chinese Medicine BeijingChina Center for East-West Medicine UCLA David Geffen School of MedicineLos AngelesCAUSA

Objective:To analyze the potential mechanism of Mingjing granules in the treatment of wet age-related macular degeneration(wAMD)based on the research methods of network pharmacology and molecular docking approach and to provide a new reference for the currently limited treatment of *** and Methods:We searched TCMSP,GeneCards,OMIM,PharmGkb,TTD,and DrugBank database to screen the main active ingredients of Mingjing granules and their therapeutic targets of *** network of active components and targets was constructed using Cytoscape3.6.1 software,which was also used for the topological analysis of target *** network of Protein-Protein Interactions(PPI)was mapped using the String *** also used R language to do the Gene Ontology(GO)and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway for additional *** docking studies were finished by Chemoffice,Autodock,and ***,the efficacy of the Mingjing granules was examined in animal experiments,in which we used enzyme-linked immunosorbent assay to the contents of vascular endothelial growth factor(VEGF)and matrix metalloproteinase-9(MMP-9)levels in peripheral ***:Active compounds,including quercetin,lignocaine,and kaempferol,were *** network analysis showed that tumor necrosis factor(TNF),MMP-9,epidermal growth factor(EGF),prostaglandin-endoperoxide synthase 2(PTGS2),and caspase-3(CASP3)were related to both Mingjing granules and *** and KEGG pathway analysis showed that these targets were mainly involving lipids and atherosclerosis,TNF,and interleukin-17(IL-17)signaling *** studies suggested that quercetin and luteolin can fit in the binding pocket of four target proteins(CASP3,EGF,PTGS2,and TNF).In the vivo experiment,the Mingjing granules were found to be effective on the expression of VEGF and MMP-9 in peripheral ***:This study initially reveals the multi-constituent,multi-target,and multi-pathway mechanism of action of Ming

关键词： Experimental verification Mingjing granules molecular docking network pharmacology wet age-related macular degeneration

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