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Exploring formation mechanism and source attribution of ozone during the 2019 Wuhan Military World Games:Implications for ozone control strategies

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Journal of Environmental Sciences 2024年第2期136卷 400-411页

作者： Lei Zhang Lili Wang Runyu Wang Nan Chen Yuan yang Ke Li Jie sun Dan Yao Yuesi Wang Minghui Tao yang sun Institute of Atmospheric Physics Chinese Academy of SciencesBeijing 100029China University of the Chinese Academy of Sciences Beijing 100049China Hubei Ecological Environment Monitoring Center Station Wuhan 430072China Guizhou Research and Designing Institute of Environmental Sciences Guizhou Academy of Environmental Science and DesignGuiyang 550081China Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science and TechnologyNanjing 210044China School of Environment Key Laboratory for Yellow River and Huai River Water Environment and Pollution ControlMinistry of EducationHenan Normal UniversityXinxiang 453007China Key Laboratory of Regional Ecology and Environmental Change School of Geography and Information EngineeringChina University of GeosciencesWuhan 430074China

A series of emission reduction measures were conducted in Wuhan,Central China,to ensure good air quality during the 7th Military World Games(MWG)in October 2019.To better understand the implications for ozone(O_(3))pollution control strategies,we applied integrated analysis approaches based on the de-weathered statistical model,parameterization methods,chemical box model,and positive matrix factorization model.During the MWG,concentrations of O_(3),NO_x,and volatile organic compound(VOCs),OFP(O_(3)formation potential),L_(OH)(OH radical loss rate)were 83μg/m^(3),43μg/m^(3),26 ppbv,188μg/m^(3),and 3.9 s^(-1),respectively,which were 26%,18%,3%,15%,and 13%lower than pre-MWG values and 6%,39%,30%,33%,and 50%lower than post-MWG values,respectively.After removing meteorological influence,O_(3)and its precursors during the MWG decreased largely compared with post-MWG values,and only O_(3),NO_(2),and oxygenated VOCs(OVOCs)declined compared with pre-MWG values,which revealed the emission reduction measures during the MWG played an important role for O_(3)decline.For six VOCs sources,the mass contributions of biomass burning and solvents usage during the MWG decreased largely compared with pre-MWG values.O_(3)production was sensitive to VOCs and the key species were aromatics,OVOCs,and alkenes,which originated mainly from solvents usage,biomass burning,industrial-related combustion,and vehicle exhaust.Decreasing O_(3)concentration during the strict control was mainly caused by OVOCs reduction due to biomass burning control.Generally,the O_(3)abatement strategies of Wuhan should be focused on the mitigation of high-reactivity VOCs.

关键词： VOCs Ozone Wuhan Military World Games Source apportionment Relative incremental reactivity Random forest

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Panoramic variation analysis of a family with neurodevelopmental disorders caused by biallelic loss-of-function variants in TMEM141,DDHD2,and LHFPL5

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Frontiers of Medicine 2024年第1期18卷 81-97页

作者： Liwei sun Xueting yang Amjad Khan Xue Yu Han Zhang Shirui Han Xiaerbati Habulieti yang sun Rongrong Wang Xue Zhang McKusick-Zhang Center for Genetic Medicine State Key Laboratory for Complex Severe and Rare DiseasesInstitute of Basic Medical Sciences Chinese Academy of Medical SciencesSchool of Basic Medicine Peking Union Medical CollegeBeijing100005China Chongqing Key Laboratory of Human Embryo Engineering Center for Reproductive MedicineNational Key Clinical Speciality Construction Project(Obstetrics and Gynecology)Chongqing Health Center for Women and ChildrenChongqing400013China Chongqing Clinical Research Center for Reproductive Medicine Women and Children’s Hospital of Chongqing Medical UniversityChongqing400013China Faculty of Biological Sciences Department of ZoologyUniversity of Lakki MarwatKhyber Pakhtunkhwa28420Pakistan Institute for Medical Genetics and Applied Genomics University of TübingenTübingen72076Germany Alexander von Humboldt fellowship Foundation Berlin10117Germany Department of Pediatrics The First Affiliated Hospital of Guangxi Medical UniversityNanning530000China Department of Laboratory Medicine State Key Laboratory for Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijing100730China

Highly clinical and genetic heterogeneity of neurodevelopmental disorders presents a major challenge in clinical genetics and medicine.Panoramic variation analysis is imperative to analyze the disease phenotypes resulting from multilocus genomic variation.Here,a Pakistani family with parental consanguinity was presented,characterized with severe intellectual disability(ID),spastic paraplegia,and deafness.Homozygosity mapping,integrated single nucleotide polymorphism(SNP)array,whole-exome sequencing,and whole-genome sequencing were performed,and homozygous variants in TMEM141(c.270G>A,p.Trp90^(*)),DDHD2(c.411+767_c.1249-327del),and LHFPL5(c.250delC,p.Leu84^(*))were identified.A Tmem141^(p.Trp90^(*)/p.Trp90^(*))mouse model was generated.Behavioral studies showed impairments in learning ability and motor coordination.Brain slice electrophysiology and Golgi staining demonstrated deficient synaptic plasticity in hippocampal neurons and abnormal dendritic branching in cerebellar Purkinje cells.Transmission electron microscopy showed abnormal mitochondrial morphology.Furthermore,studies on a human in vitro neuronal model(SH-SY5Y cells)with stable shRNA-mediated knockdown of TMEM141 showed deleterious effect on bioenergetic function,possibly explaining the pathogenesis of replicated phenotypes in the cross-species mouse model.Conclusively,panoramic variation analysis revealed that multilocus genomic variations of TMEM141,DDHD2,and LHFPL5 together caused variable phenotypes in patient.Notably,the biallelic loss-of-function variants of TMEM141 were responsible for syndromic ID.

关键词： neurodevelopmental disorder autosomal recessive intellectual disability consanguinity spastic paraplegia hearing loss TMEM141

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Rhizosphere microbes influence wogonoside accumulation in perennial Scutellaria baicalensis

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Pedosphere 2024年第3期34卷 553-566页

作者： yang sun Hong LIU Junwei PENG Minchong SHEN yang HU Dongsheng YU Jiangang LI Yuanhua DONG CAS Key Laboratory of Soil Environment and Pollution Remediation Institute of Soil ScienceChinese Academy of SciencesNanjing 210008(China) University of Chinese Academy of Sciences Beijing 100049(China) Tobacco Research Institute of Chinese Academy of Agricultural Sciences Qingdao 266101(China)

Dried roots of Scutellaria baicalensis Georgi are an acclaimed traditional Chinese medicine,and wogonoside content is a key indicator used to evaluate S.baicalensis quality.Rather than rising linearly with cultivation years,S.baicalensis quality initially increases and then declines.However,little is known regarding the dynamic variations in S.baicalensis rhizosphere microorganisms under long-term cultivation and underlying mechanisms of their effects on wogonoside formation and accumulation.The aim of this study was to investigate the roles of soil nutrients and rhizosphere microbes on S.baicalensis quality across different cultivation years(1-4 years).The wogonoside content(25.14 mg g^(-1))was highest in the biennial S.baicalensis and then decreased following long-term cultivation.Most soil nutrients(available nitrogen,available phosphorus,available iron,available manganese,and available zinc)were reduced significantly as cultivation years increased.Time also affected rhizosphere bacterial community structure significantly,driving it toward deterministic process(i.e.,β-nearest taxon index<-2).Available manganese and exchangeable calcium indirectly affected wogonoside formation and accumulation.Wogonoside inhibition was driven by the reduction in rhizosphere bacterial diversity,which significantly increased the relative abundance of beta-glucosidase and decreased the relative abundance of phenylalanine ammonialyase.The rhizosphere microenvironment was altered under long-term cultivation,thereby shaping rhizosphere bacterial community,reducing the community diversity,and ultimately inhibiting wogonoside formation and accumulation.Our findings may aid in understanding of the mechanisms and reasons for the reduction in S.baicalensis quality under long-term cultivation from the perspective of soil nutrients and microorganisms,which may theoretically support the future artificial cultivation and management of Chinese medicinal plants.

关键词： bacterial diversity medicinal plant rhizosphere bacterial community soil nutrient wogonoside content wogonoside formation

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Transient synthesis of carbon-supported high-entropy alloy sulfide nanoparticles via flash Joule heating for efficient electrocatalytic hydrogen evolution

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Nano Research 2024年第4期17卷 3379-3389页

作者： Yuntian Liao Rongtao Zhu Wenjun Zhang Haiyang Zhu yang sun Jiale Chen Zhenhua Dong Ronghuan Lv School of Chemical Engineering and Technology China University of Mining and TechnologyXuzhou 221116China

High entropy alloys(HEA)are frequently employed as catalysts in electrocatalytic hydrogen evolution.However,the traditional high entropy alloy synthesis methods are time-consuming,energy-intensive,and environmentally polluting,which limits their application in the hydrogen evolution reaction(HER).This study leveraged the capabilities of flash Joule heating(FJH)to synthesize carbon-supported high-entropy alloy sulfide nanoparticles(CC-S-HEA)on carbon cloth(CC)with good self-standing properties within 300 ms.The carbon thermal shock generated by the Joule heating could pyrolyze the sulfur source into gas,resulting in numerous pore structures and defects on CC,forming an S-doped carbon substrate(CC-S).Then the S atoms were used to stably anchor the metal atoms on CC-S to form high-density uniformly dispersed HEA particles.The electrochemical test results demonstrated that CC-S-HEA prepared at 60 V flash voltage had HER performance comparable to Pt/C.The density functional theory(DFT)calculation indicated that the S atoms on CC-S accelerated the electron transfer between the carbon substrate and HEA particles.Moreover,the unique electronic structure of CC-S-HEA was beneficial to H*adsorption and promoted catalytic kinetics.The simplicity and versatility of FJH synthesis are of great significance for optimizing the synthesis of HEA and improving the quality of HEA products,which provides a broad application prospect for the synthesis of nanocatalysts with efficient HER performance.

关键词： high entropy alloy flash Joule heating carbon thermal shock hydrogen evolution reaction density functional theory

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Establishment of a system for screening and identification of novel bactericide targets in the plant pathogenic bacterium Xanthomonas oryzae pv. oryzae using Tn-seq and SPR

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Journal of Integrative Agriculture 2024年第5期23卷 1580-1592页

作者： Chaoyue Pang Ling Jin Haoyu Zang Damalk Saint-Claire SKoklannou Jiazhi sun Jiawei yang Yongxing Wang Liang Xu Chunyan Gu yang sun Xing Chen Yu Chen School of Plant Protection Anhui Agricultural UniversityHefei 230036China Institute of Plant Protection and Agro-Products Safety Anhui Academy of Agricultural SciencesHefei 230031China Anhui Province Laboratory for Green Pesticide Development and Application School of Plant ProtectionAnhui Agricultural UniversityHefei230036China Hefei Research Center State Key Laboratory for Biology of Plant Diseases and Insect PestsHefei 230036China Key Laboratory of Integrated Crop Pest Management of Anhui Province School of Plant ProtectionAnhui Agricultural University Hefei230036China Shandong Vicome Greenland Chemical Co. Ltd.Jinan 250204China

Xanthomonas spp. cause severe bacterial diseases. However, effective strategies for prevention and management of these diseases are scarce. Thus, it is necessary to improve the efficiency of control of diseases caused by Xanthomonas. In this study, Xanthomonas oryzae pv. oryzae(Xoo), which causes rice bacterial leaf blight, has been studied as a representative. A transposon insertion library of Xoo, comprising approximately 200,000 individual insertion mutants, was generated. Transposon sequencing data indicated that the mariner C9 transposase mapped at 35.7–36.4% of all potential insertion sites, revealing 491 essential genes required for the growth of Xoo in rich media. The results show that, compared to the functions of essential genes of other bacteria, the functions of some essential genes of Xoo are unknown, 25 genes might be dangerous for the Xanthomonas group, and 3 are specific to Xanthomonas. High-priority candidates for developing broad-spectrum, Xanthomonas-specific, and environment-friendly bactericides were identified in this study. In addition, this study revealed the possible targets of dioctyldiethylenetriamine using surface plasmon resonance(SPR) in combination with high performance liquid chromatography–mass spectrometry(HPLC–MS). The study also provided references for the research of some certain bactericides with unknown anti-bacterial mode of action. In conclusion, this study urged a better understanding of Xanthomonas,provided meaningful data for the management of bacterial leaf blight, and disclosed selected targets of a novel bactericide.

关键词： rice bacterial leaf blight Xanthomonas essential genes Tn-seq dioctyldiethylenetriamine

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Association between QRS voltages and amyloid burden in patients with cardiac amyloidosis

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Chinese Medical Journal 2024年第3期137卷 365-367页

作者： Jing-Hui Li Changcheng Li Yucong Zheng Kai yang Yan Huang Huixin Zhang Xianmei Li Xiuyu Chen Linlin Dai Tian Lan yang sun Minjie Lu Shihua Zhao Department of Magnetic Resonance Imaging Fuwai HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100037China Department of Radiology Taian City Central Hospital(The Affiliated Taian City Central Hospital of Qingdao University)Tai’anShandong 271099China Department of Radiology Tsinghua University HospitalTsinghua UniversityBeijing 100084China Department of Radiology The Fifth People’s Hospital of Huai’anHuai’anJiangsu 223001China Department of Radiology Geriatric Hospital of Nanjing Medical UniversityNanjingJiangsu 210000China Department of Cardiology Peking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100730China Department of Pathology Fuwai HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100037China

To the Editor:Cardiac amyloidosis(CA)is an infiltrative cardiomyopathy characterized by extracellular deposition of misfolded insoluble amyloid fibrils.^([1])Electrocardiography(ECG)is an essential diagnostic test characterized by low QRS voltages in CA,observed in 20–74%of patients.^([2])Cipriani et al^([3])reported that low QRS voltages could independently predict cardiovascular death.But the mechanisms underlying low QRS voltages in CA remain unclear.

关键词： amyloid patients death.

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Long-term functional maintenance of primary hepatocytes in vitro using macroporous hydrogels engineered through liquid-liquid phase separation

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Nano Research 2024年第3期17卷 1725-1736页

作者： yang sun Sheng Yin Jian Cui Zhongxia Wang Yueying Han Ding Ma Shuo Wang Junhua Wu Yi Cao Chunping Jiang Xiaosong Gu Jinan Microecological Biomedicine Shandong Laboratory Jinan 250021China Collaborative Innovation Center of Advanced Microstructures National Laboratory of Solid State MicrostructureKey Laboratory of Intelligent Optical Sensing and ManipulationMinistry of EducationDepartment of PhysicsNanjing UniversityNanjing 210093China Department of Hepatobiliary Surgery The Affiliated Drum Tower Hospital of Nanjing University Medical SchoolNanjing 210093China National Institute of Healthcare Data Science at Nanjing University Nanjing UniversityNanjing 210093China

Preserving the functionality of hepatocytes in vitro poses a significant challenge in liver tissue engineering and bioartificial liver,as these cells rapidly lose their metabolic and functional characteristics after isolation.Inspired by the macroporous structures found in native liver tissues,here we develop synthetic hydrogel scaffolds that closely mimic the liver’s structural organization through the phase separation between polyethylene glycol(PEG)and polysaccharides.Our hydrogels exhibit interconnected macroporous structures and appropriate mechanical properties,providing an optimal microenvironment conducive to hepatocyte adhesion and the formation of sizable aggregates.Compared to two-dimensional hepatocyte cultures,enhanced functionalities of hepatocytes cultured in our macroporous hydrogels were observed for 14 days,as evidenced by quantitative reverse-transcription–polymerase chain reactions(qRT-PCR),immunofluorescence,and enzyme linked immunosorbent assay(ELISA)analyses.Protein sequencing data further confirmed the establishment of cell–cell interactions among hepatocytes when cultured in our hydrogels.Notably,these hepatocytes maintained a protein expression lineage that closely resembled freshly isolated hepatocytes,particularly in the Notch and tumor necrosis factor(TNF)signaling pathways.These results suggest that the macroporous hydrogels are attractive scaffolds for liver tissue engineering.

关键词： liver tissue engineering phase separation hepatocytes macroporous hydrogel

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Boosting the cycling stability of all-solid-state lithium metal batteries through MOF-based polymeric protective layers

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Journal of Energy Chemistry 2024年第8期95卷 511-518页

作者： Hongfei Bao Diancheng Chen Jiaqi Cao Pengfeng Jiang Kaili Li Runtao Liu Yuling Zhao Yichun Zheng Beiqi Liao Yaming Zhang Xia Lu yang sun School of Materials Shenzhen Campus of Sun Yat-sen University

Solid-state electrolytes（SSEs） play a pivotal role in advancing next-generation lithium metal battery technology.However,they commonly encounter substantial interfacial resistance and poor stability when interfacing with lithium metal,hindering practical applications.Herein,we introduce a flexible metal-organic framework（MOF:NUS-6）-incorporated polymeric layer,denoted as NP,designed to protect the sodium superionic conductor（NASICON）-type Li1.3Al0.3Ti1.7（PO4）3（LATP） electrolyte from Li metal anodes.The NP matrix establishes a soft interface with the LATP surface,effectively reducing voids and gaps that may arise between the LATP electrolyte and Li metal.Moreover,the MOF component in NP enhances ionic conductivity,offers abundant Li+transport sites,and provides hierarchical ion channels,ensuring a homogeneous Li+flow and thus effectively inhibiting Li dendrite formation.Utilizing NP,we fabricate Li symmetrical cells cycled for over 1600 h at 0.2 mA cm-2and all-solid-state LiINP-LATPI LiFePO4batteries,achieving a remarkable 99.3% capacity retention after 200 cycles at 0.2 C.This work outlines a general strategy for designing long-lasting and stable solid-state Li metal batteries.

关键词： All-solid-state Li metal battery Interfacial contact LATP electrolyte stability Li dendrite MOF-based polymeric layer

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Analysis of Intraspecies Diversity of Rice Reveals Variation Patterns of Oryza sativa Basic Leucine Zippers

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Phyton-International Journal of Experimental Botany 2024年第5期93卷 859-873页

作者： Jing Wang Wenqing Xiao Qingnan Wang Xu Wang Bin Jiang yangchun Han yang sun Anhui Provincial Key Laboratory of Molecular Enzymology and Mechanism of Major Diseases Key Laboratory for Conservation and Use of Important Biological Resources of Anhui ProvinceCollege of Life SciencesAnhui Normal UniversityWuhu241000China Institute of Plant Protection Jiangsu Academy of Agricultural SciencesNanjing210000China

The basic leucine zipper(bZIP)is an important class of transcription factors in plants,playing a critical role in plant growth and development and responses to biotic and abiotic stress.Due to gene presence/absence variations,it is limited to identify bZIP genes based on the reference genome.Therefore,we performed the bZIP gene family analysis in the rice pan-genome.By employing a rice pan-genome,ninety-four OsbZIPs(72 core genes and 22 variable genes)were identified and divided into 11 groups in a phylogenetic tree.Based upon Ka/Ks values in 33 accessions,OsbZIPs were subjected to different selection pressures during domestication.The analysis of the effects of structural variations(SVs)on gene expression,gene structure,and conserved domains showed that SVs could significantly alter the expression levels of certain OsbZIPs,leading to gene truncation and the emergence of numerous atypical genes.Thirty-four differentially expressed OsbZIPs were identified by analyzing RNA-seq data of the Xanthomonas oryzae pv.oryzae(Xoo)infection susceptible(IR24)and resistant(IRBB67)lines under high temperature,and by counting the number of differentially expressed OsbZIPs in different subgroups.These Osb-ZIPs were found to respond to Xoo infection at an early stage and may not be involved in the mechanism of Xa4 and Xa7 resistance to Xoo.The multiple variation patterns of OsbZIP genes provide new insights into the OsbZIP genes in rice.These results provide new resources and offer new directions for functional studies of OsbZIPs.

关键词： Rice OsbZIP pan-genome structure variation atypical gene bacterial blight

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Network Pharmacology of Xian-Lian-Jie-Du Decoction in Ameliorating Colorectal Cancer

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World Journal of Traditional Chinese Medicine 2024年第1期10卷 83-92页

作者： Ming-Xia Zhao Cheng-Lin Song Qin-Chang Zhang Hao-Jie Du Shu-Qiong Zhang Yu-Xian Shen yang sun Hai-Bo Cheng Wen Lv Department of Pharmacy School of Basic Medical SciencesAnhui Medical UniversityHefeiAnhuiChina Department of Biopharmaceutical Research Institute Anhui Medical UniversityHefeiAnhuiChina Department of Pharmaceutical Analysis State Key Laboratory of Natural and Biomimetic DrugsSchool of Pharmaceutical SciencesPeking UniversityBeijingChina Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine in Prevention and Treatment of Tumor First Clinical CollegeNanjing University of Chinese MedicineNanjingJiangsuChina Deparment of Biotechnology and Pharmaceutical Sciences State Key Laboratory of Pharmaceutical BiotechnologySchool of Life SciencesNanjing UniversityNanjingJiangsuChina Deparment of Gynecology Institute of Traditional Chinese Medicine of Zhejiang ProvinceTongde Hospital of Zhejiang ProvinceHangzhouZhejiangChina

Objective:In this study,we screened for therapeutic targets of the Xian-Lian-Jie-Du decoction(XLJDD)for colorectal cancer(CRC)and explored the underlying mechanisms using network pharmacology techniques.Methods:Genes associated with CRC were collected from the Gene Cards database.The names of the active compounds of XLJDD were used as keywords in the“chemical name”in the Traditional Chinese Medicine Systems Pharmacology(TCMSP)database to search the targets.The protein-protein interaction(PPI)network was constructed using Cytoscape 3.8.1.Gene Ontology functional enrichment and Kyoto Encyclopedia of Genes and Genomes(KEGG)pathway enrichment analyses were performed to identify key target proteins.Results:A total of 234 XLJDD-related targets and 250 cross-targets between XLJDD and CRC were collected based on the TCMSP and HIT 2.0 databases.A PPI network constructed based on the STRING database revealed interactions for all 250 proteins.The network results revealed TP53,MYC,CCND1,AKT1,CASP3,and STAT3 as core potential targets.KEGG pathway analysis of the 250 potential XLJDD targets for CRC in the Metascape database was performed using RStudio software.The top 12 gene ratio aggregated analysis results were visualized in bubble charts.The interleukin(IL)-17 signaling pathway had the highest correlation with the tumor necrosis factor(TNF)signaling pathway.Conclusions:XLJDD may be effective in ameliorating CRC by controlling inflammatory factors related to the IL-17 and TNF pathways and targeting proto-oncogenes and tumor suppressor genes,including MYC,CCND1,CTNNB1,and TP53.

关键词： Colorectal cancer network pharmacology Xian-Lian-Jie-Du decoction

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