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Inflammatory Factor IL1αInduces Aberrant Astrocyte Proliferation in Spinal Cord Injury Through the Grin2c/Ca^(2+)/CaMK2b Pathway

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Neuroscience Bulletin 2024年第4期40卷 421-438页

作者： yu Xia Lu Ding Changlin Zhang Qi Xu Ming Shi Tianshun Gao Feng-quan Zhou David Y.B.Deng Scientific Research Center The Seventh Affiliated Hospital of Sun Yat-sen UniversityShenzhen518107China Department of Gynecology The Seventh Affiliated Hospital of Sun Yat-sen UniversityShenzhen518107China Pelvic Floor Disorders Center The Seventh Affiliated Hospital of Sun Yat-sen UniversityShenzhen518107China Big Data Center The Seventh Affiliated Hospital of Sun Yat-sen UniversityShenzhen518107China Sir Run Run Shaw Hospital Zhejiang University School of MedicineHangzhou310016China Orthopaedic and Neurological Repair Center The Seventh Affiliated Hospital of Sun Yat-sen UniversityShenzhen518107China

Spinal cord injury(SCI)is one of the most devastating traumas,and the aberrant proliferation of astrocytes usually causes neurological ***,the mechanism underlying astrocyte over-proliferation after SCI is ***2c(glutamate ionotropic receptor type 2c)plays an essential role in cell *** bioinformatic analysis indicated that Grin2c and Ca^(2+)transport functions were inhibited in astrocytes after *** of Grin2c stimulated astrocyte proliferation by inhibiting the Ca^(2+)/calmodulin-dependent protein kinase 2b(CaMK2b)pathway in *** screening different inflammatory factors,interleukin 1α(IL1α)was further found to inhibit Grin2c/Ca^(2+)/CaMK2b and enhance astrocyte proliferation in an oxidative damage *** of IL1αusing neutralizing antibody resulted in increased Grin2c expression and the inhibition of astrocyte proliferation ***,this study suggests that IL1αpromotes astrocyte proliferation by suppressing the Grin2c/Ca^(2+)/CaMK2b pathway after SCI,revealing a novel pathological mechanism of astrocyte proliferation,and may provide potential targets for SCI repair.

关键词： IL1α Grin2c Astrocyte Spinal cord injury

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Integrating Homogeneous and Heterogeneous Catalysis in a Copper Nanocluster with Lewis Acid–Base Sites for Chemical Conversion of CO_(2) and Propargylamine

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CCS Chemistry 2024年第9期6卷 2131-2141页

作者： Wan-Zhen Qiao yu-Jue Wang Si Li Rui Wang Jie Wu Shuang-quan Zang Henan Key Laboratory of Crystalline Molecular Functional Materials Henan International Joint Laboratory of Tumor Theranostical Cluster MaterialsGreen Catalysis and College of ChemistryZhengzhou UniversityZhengzhou 450001

It remains a significant challenge to develop a catalyst that merges the advantages of homogeneous and heterogeneous catalysis with high reactivity and great ***,an atomically precise Cu_(6)-NH_(2) nanocluster with distorted octahedral Cu_(6) core and NH_(2)-functionalized ligands has been developed as the first homo/heterogeneous catalyst to catalyze the cyclization reaction of propargylic amines with carbon dioxide(CO_(2))under mild *** a homogeneous catalyst,Cu_(6)-NH_(2) shows excellent catalytic activity with high turnover frequency due to highly accessible active *** definite coordination geometry and homogeneity nature of active centers make it convenient to investigate the structure–activity relationship at the atomic level through experiments and theory *** addition,the nanocluster exhibits excellent stability,great recrystallizability,and reusability in five catalytic cycles,in which its catalytic performance has no obvious ***,Cu_(6)-NH_(2) incorporates Lewis acid and base sites in metal and ligand,respectively,which can promote catalytic efficiency in a synergistic effect in the absence of any ***,Cu_(6)-NH_(2) can realize direct conversion of CO_(2) in simulated flue gas into oxazolidinones with high *** metal-ligand cooperative effect and integrated advantages of homogeneous and heterogeneous catalysis would provide new perspectives to achieve advanced metal nanocluster catalysts for CO_(2) conversion.

关键词： copper nanocluster atomically precise structure Lewis acid-base sites CO_(2)cyclization reaction cocatalyst-free

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Comparing short-term outcomes of robot-assisted and conventional laparoscopic total mesorectal excision surgery for rectal cancer in elderly patients

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World Journal of Gastrointestinal Surgery 2024年第5期16卷 1271-1279页

作者： Hao Yang Gang Yang Wen-Ya Wu Fang Wang Xue-quan Yao Xiao-yu Wu The Affiliated Hospital of Nanjing University of Chinese Medicine Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina Department of Surgical Oncology The Affiliated Hospital of Nanjing University of Chinese MedicineNanjing 210029Jiangsu ProvinceChina

BACKGROUND Da Vinci Robotics-assisted total mesorectal excision(TME)surgery for rectal cancer is becoming more widely *** is no strong evidence that roboticassisted surgery and laparoscopic surgery have similar outcomes in elderly patients with TME for rectal *** To determine the improved oncological outcomes and short-term efficacy of robot-assisted surgery in elderly patients undergoing TME *** A retrospective study of the clinical pathology and follow-up of elderly patients who underwent TME surgery at the Department of Gastrointestinal Oncology at the Affiliated Hospital of Nanjing University of Chinese Medicine was conducted from March 2020 through September *** patients were divided into a robotassisted group(the R-TME group)and a laparoscopic group(the L-TME group),and the short-term efficacy of the two groups was *** There were 45 elderly patients(≥60 years)in the R-TME group and 50 elderly patients(≥60 years)in the L-TME *** were no differences in demographics,conversion rates,or postoperative complication *** L-TME group had a longer surgical time than the R-TME group[145(125,187.5)vs 180(148.75,206.25)min,P=0.005),and the first postoperative meal time in the L-TME group was longer than that in the R-TME(4 vs 3 d,P=0.048).Among the sex and body mass index(BMI)subgroups,the R-TME group had better out-comes than did the L-TME group in terms of operation time(P=0.042)and intraoperative assessment of bleeding(P=0.042).In the high BMI group,catheter removal occurred earlier in the R-TME group than in the L-TME group(3 vs 4 d,P=0.001),and autonomous voiding function was *** The curative effect and short-term efficacy of robot-assisted TME surgery for elderly patients with rectal cancer are similar to those of laparoscopic TME surgery;however,robotic-assisted surgery has better short-term outcomes for individuals with risk factors such as obesity and pelvic *** the learning

关键词： Robotic surgery Laparoscopy Rectal cancer Total mesorectal excision Elderly

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In-situ growth of MIL-53(Fe)on charcoal sponge as a highly efficient and recyclable photocatalyst for removal of Cr(Ⅵ)

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Rare Metals 2024年第9期43卷 4344-4355页

作者： Zhuo-Fan yu Ye Yang Hai-Feng Zhuang Sheng-Dao Shan Mihail-Simion Beldean-Galea Qing-quan Xue Xiao-Feng Shen Shi-Jie Li Key Laboratory of Recycling and Eco-Treatment of Waste Biomass of Zhejiang Province School of Environmental and Natural ResourcesZhejiang University of Science and TechnologyHangzhou 310023China Faculty of Environmental Science and Engineering Babes-Bolyai University400294 Cluj-NapocaRomania Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province Interdisciplinary Research Academy(IRA)Zhejiang Shuren UniversityHangzhou 310015China National Engineering Research Center for Marine Aquaculture Institute of Innovation&ApplicationZhejiang Ocean UniversityZhoushan 316022China

The application of metalDorganic frameworks(MOFs)is hindered by several crucial factors,including low photocatalytic efficiency,poor stability and challenges in *** this study,MIL-53(Fe)was grown in situ on a charcoal sponge(CS)with a large surface area,excellent mechanical properties,and high photocatalytic efficiency using a solvothermal method,thus addressing the above-mentioned shortcomings of MOF ***,CS/MIL-53(Fe)has an amazing light-harvesting capacity in the visible range,leading to a significant improvement in the utilization of *** results of the experiments indicate that CS/MIL-53(Fe)displays a higher photocatalytic activity(87%Cr(Ⅵ))when exposed to visible light than CS(58%)or MIL-53(Fe)(27%),attributing to the increased separation of photogenerated carriers.e-is the main reactive radical and dominates the photocatalytic reduction process,rooting from that e-can reduce Cr(Ⅵ)to low-toxicity Cr(Ⅲ).This study presents a novel method for constructing photocatalysts with large surface areas,superior mechanical characteristics,and enhanced photocatalytic ***,it achieves the resource utilization of agricultural and forestry waste.

关键词： Cr(Ⅵ) Charcoal sponge MIL-53(Fe) Photocatalysis Light absorption

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Lone-Star retractor perineal exposure method for laparoscopic abdominal perineal resection of rectal cancer

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World Journal of Gastrointestinal Surgery 2024年第8期16卷 2528-2537页

作者： Jun Ma Dai-Bin Tang yu-quan Tang Da-Tian Wang Peng Jiang Ya-Ming Zhang Department of General Surgery Anqing Municipal HospitalAnqing 246000Anhui ProvinceChina Department of Anesthesiology Anqing Municipal HospitalAnqing 246000Anhui ProvinceChina

BACKGROUND The abdominal perineal resection(APR),historically referred to as Mile’s proce-dure,stands as a time-honored surgical intervention for rectal cancer *** in surgical techniques and the advent of neoadjuvant therapies have significantly improved the rate of sphincter preservation among patients afflicted with rectal cancer,including those with ultralow rectal *** these improvements,APR maintains its irreplaceable role in the clinical landscape,particularly for cases involving low rectal cancer with encroachment on the external anal sphincter or levator ani *** perineal exposure stands as a pivotal phase in APR,given that the precision of this maneuver is directly correlated with both the safety of the surgery and the patient’s subse-quent long-term *** To evaluate the value of Lone-Star retractor(LSR)perineal exposure method in the treatment for laparoscopic APR of rectal *** We reviewed the records of 38 patients with rectal cancer at Anqing Municipal Hospital from January 2020 to December 2023,including 20 patients who underwent the APR procedure with a LSR perineal exposure method(LSR group)and 18 patients who underwent the APR procedure with a conventional perineal exposure method(control group).In the LSR group,following incision of the skin and subcutaneous tissue,the LSR was placed and dynamically adjusted according to the surgical plane to fully expose the perineal operative *** A total of 38 patients underwent laparoscopic APR,none of whom were found to have distant metastasis upon intraoperative *** blood loss,the postoperative hospital stays and the wound pain scores in the LSR group were significantly lower than those in the control group.A single surgeon completed the perineal operation significantly more often in the LSR group than in the control group(P<0.05).The incidence of infection via the perineal incision in the LSR group was significantly lower

关键词： Rectal cancer Lone-Star retractor Abdominal perineal resection Perineal exposure method Technique

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A reference-grade genome of the xerophyte Ammopiptanthus mongolicus sheds light on its evolution history in legumes and droughttolerance mechanisms

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Plant Communications 2024年第7期5卷 157-177页

作者： Lei Feng Fei Teng Na Li Jia-Cheng Zhang Bian-Jiang Zhang Sau-Na Tsai Xiu-Le yue Li-Fei Gu Guang-Hua Meng Tian-quan Deng Suk-Wah Tong Chun-Ming Wang Yan Li Wei Shi Yong-Lun Zeng yue-Ming Jiang Weichang yu Sai-Ming Ngai Li-Zhe An Hon-Ming Lam Jun-Xian He School of Life Sciences and State Key Laboratory of Agrobiotechnology The Chinese University of Hong KongSha TinNew TerritoriesHong KongChina Guangdong Provincial Key Laboratory of Biotechnology for Plant Development School of Life SciencesSouth China Normal UniversityGuangzhou 510631China BGI-Shenzhen Tech Co. Ltd.Beishan Industrial ZoneYantian DistrictShenzhen 518083China School of Life Sciences and Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations Lanzhou UniversityLanzhou 730030China State Key Laboratory of Subtropical Silviculture Zhejiang Agriculture and Forestry UniversityHangzhou 311300China State Key Laboratory of Plant Diversity and Specialty Crops South China Botanical GardenChinese Academy of SciencesGuangzhou 510650China Guangdong Provincial Key Laboratory of Applied Botany&Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement South China Botanical GardenChinese Academy of SciencesGuangzhou 510650China College of Life Sciences and Oceanography Shenzhen UniversityShenzhen 518060China State Key Laboratory of Efficient Production of Forest Resources Beijing Forestry UniversityBeijing 100083China

Plants that grow in extreme environments represent unique sources of stress-resistance genes and *** mongolicus(Leguminosae)is a xerophytic evergreen broadleaf shrub native to semi-arid and desert regions;however,its drought-tolerance mechanisms remain poorly ***,we report the assembly of a reference-grade genome for ***,describe its evolutionary history within the legume family,and examine its drought-tolerance *** assembled genome is 843.07 Mb in length,with 98.7%of the sequences successfully anchored to the nine chromosomes of *** genome is predicted to contain 47611 protein-coding genes,and 70.71%of the genome is composed of repetitive sequences;these are dominated by transposable elements,particularly longterminal-repeat *** analyses revealed two whole-genome duplication(WGD)events at 130 and 58 million years ago(mya)that are shared by the genus Ammopiptanthus and other legumes,but no species-specific WGDs were found within this *** genome reconstruction revealed that the *** genome has undergone fewer rearrangements than other genomes in the legume family,confirming its status as a"relict plant".Transcriptomic analyses demonstrated that genes involved in cuticular wax biosynthesis and transport are highly expressed,both under normal conditions and in response to polyethylene glycol-induced *** induction of genes related to ethylene biosynthesis and signaling was also observed in leaves under dehydration stress,suggesting that enhanced ethylene response and formation of thick waxy cuticles are two major mechanisms of drought tolerance in *** expression of AmERF2,an ethylene response factor unique to ***,can markedly increase the drought tolerance of transgenic Arabidopsis thaliana plants,demonstrating the potential for application of *** genes in crop improvement.

关键词： Ammopiptanthus mongolicus genome sequencing genome evolution drought tolerance cuticular wax ethylene

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Cetuximab combined with chemotherapy for simultaneous esophageal squamous cell carcinoma and colon adenocarcinoma:A case report

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World Journal of Clinical Cases 2024年第15期12卷 2649-2654页

作者： Xin-Xin Luo yu-Xuan Du Qi-Qing Zhang Lin Zhang Shu-Ying Zeng Zhi-Hong yu Peng Shen Zheng-quan Feng The Second School of Clinical Medicine Zhejiang Chinese Medical UniversityHangzhou310053Zhejiang ProvinceChina Department of Oncology Tongde Hospital of Zhejiang ProvinceHangzhou 310012Zhejiang ProvinceChina Department of Medical Oncology The First Affiliated HospitalMedical College of Zhejiang UniversityHangzhou 310003Zhejiang ProvinceChina

BACKGROUND Multiple primary carcinomas(MPCs)are defined as two or more independent primary cancers that occur simultaneously or sequentially in the same *** MPCs are rarer than solitary cancers or metachronous *** diagnoses of synchronous MPCs and the choice of treatment are critical for successful outcomes in these *** SUMMARY A 64-year-old patient presented with dysphagia,without obvious cause.A diagnosis of synchronous esophageal squamous cell carcinoma and colon adenocarcinoma with liver metastasis was confirmed based on examination and laboratory *** multi-disciplinary consultations,combination chemotherapy(a 3-wk cycle with oxaliplatin 212 mg administered on day 1 and capecitabine 1.5 g twice daily on days 1-14)and esophageal cancer radiotherapy were *** on the results of genetic testing,we switched to a regimen of leucovorin+fluorouracil+oxaliplatin and cetuximab regimen for 8 ***,capecitabine and bevacizumab were administered until the most recent follow-up,at which the tumor remained *** Successful cetuximab chemotherapy treatment provides a reference for the nonoperative and homogeneous treatment of different pathological types of synchronous MCPs.

关键词： Synchronous multiple primary carcinoma Esophageal squamous cell carcinoma Colon adenocarcinoma Cetuximab Chemotherapy Case report

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Dramatic Difference Between Cu_(20)H_(8)and Cu_(20)H_(9)Clusters in Catalysis

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CCS Chemistry 2024年第6期6卷 1581-1590页

作者： Chun-yu Liu Tong-yu Liu Zong-Jie Guan Song Wang yuan-yuan Dong Feng Hu De-en Jiang quan-Ming Wang Department of Chemistry Engineering Research Center of Advanced Rare Earth Materials(Ministry of Education)Tsinghua UniversityBeijing 100084 Jiangsu Engineering Research Centre for Digital Textile Inkjet Printing Key Laboratory of Eco-Textile Jiangnan UniversityMinistry of EducationWuxiJiangsu 214122 Department of Chemical and Biomolecular Engineering Vanderbilt UniversityNashvilleTennessee 37235 Department of Chemistry Vanderbilt UniversityNashvilleTennessee 37235 College of Chemistry and Chemical Engineering Hunan UniversityChangsha 410082 Hefei National Research Center for Physical Sciences at the Microscale School of Chemistry and Materials ScienceUniversity of Science and Technology of ChinaHefeiAnhui 230026

Sensitivity to structure and composition is very challenging to establish in nanocatalysis due to inadequate definition of structures that are very close in *** synthesized a pair of atomically precise copper clusters that are very close in composition,[Cu_(20)H_(9)(Tf-dpf)_(10)]·BF4(Cu_(20)H_(9))and[Cu_(20)H_(8)(Tf-dpf)_(10)]·(BF_(4))_(2)(Cu_(20)H_(8)),by using a pyridyl-functionalized flexible amidinate ligand,N,N′-di(5-trifluoromethyl-2-pyridyl)*** one-hydride difference in their composition leads to significant variation in geometric and electronic structures and,consequently,distinctly different optical and catalytic ***_(20)H_(8)exhibits 25 times higher catalytic activity than Cu_(20)H_(9)(96.7%vs 3.7%in yield)in the selective hydrogenation of anα,β-unsaturated aldehyde(cinnamaldehyde)to saturated aldehyde(3-phenylpropanal).Electrospray ionization mass spectrometry combined with density functional theory calculations reveal that the greater ease of dissociation of one Tf-dpf ligand compared to Cu_(20)H_(8)is the key to its higher *** work demonstrates a clear case of structure and composition sensitivity in nanocatalysis and that one hydride,out of∼330 atoms in the nanoclusters,can make a huge difference in the catalytic *** insights will be useful in the design and synthesis of atomically precise nanocatalysts.

关键词： copper cluster hydride amidinate ligand structural transformation hydrogenation catalysis

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Sea-level change in coastal areas of China:Status in 2021

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Advances in Climate Change Research 2024年第3期15卷 515-524页

作者： Wen-Shan LI Hui WANG Wen-Xi XIANG Ai-Mei WANG Wei-Qing XU yu-Xi JIANG Xin-Hui WU Meng-yuan quan National Marine Data and Information Service Tianjin 300171China Ocean University of Chin1 Qingdao 266100China University of Michigan‒Shanghai Jiao Tong University Joint Institute Shanghai 200030China

The sea level in coastal areas of China reached the second highest in 2021,just after that recorded in *** force and dynamic analyses based on tide gauges,satellite observations,reanalysis data and regional numerical outputs were conducted to understand these abnormally high sea levels and determine their possible *** show that the coastal sea level of China had increased at an annual rate of 3.4±0.3 mm during 1980-2021,with an acceleration of 0.06±0.02 mm per *** superposition of significant oscillations of quasi-2,3-7,quasi-9,quasi-11,quasi-19 and 20-30 years contributed to the anomalously high sea *** negative-phased El Nino/Southern Oscillation was correlated with the anomalously high sea level and the north-south anti-phase pattern of the coastal sea level in ***,phase lags of 1-4 months occurred with the sea-level *** a decadal timescale,the Pacific Decadal Oscillation(PDO)was negatively correlated with the anomalous mean sea level(MSL),and the negative-phased PDO contributed to the anomalous sea-level change in ***,the monthly MSL peaked in April and July,and the contribution of wind stress to the anomalously high sea level was 38.5%in the south of the Taiwan Strait in April and 30%along the coast of China in *** results were consistent with the tide gauge and satellite *** agreement was also observed between the coastal sea-level fingerprint and the air and sea surface temperatures.

关键词： Sealevel La Nina PDO Wind stress

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Protective Effect of Silibinin on Lipopolysaccharide-Induced Endotoxemia by Inhibiting Caspase-11-Dependent Cell Pyroptosis

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Chinese Journal of Integrative Medicine 2024年第10期30卷 917-926页

作者： OU Jin-ying LIU Shan-hong TANG Dong-kai SHI Ling-zhu YAN Li-jun HUANG Jing-yan ZOU Li-fang quan Jing-yu YOU Yan-ting CHEN yu-yao yu Lin-zhong LU Zi-bin Third Level Research Laboratory of State Administration of Traditional Chinese Medicine School of Traditional Chinese MedicineSouthern Medical UniversityGuangzhou510515China Guangdong Provincial Key Laboratory of Chinese Medicine Pharmaceutics Guangzhou510515China School of Traditional Chinese Medicine Southern Medical UniversityGuangzhou510515China

Objective:To explore the protective effect and the underlying mechanism of silibinin(SIB),one of the active compounds from Silybum marianum(L.)Gaertn in ***:Mouse peritoneal macrophage were isolated via intraperitoneally injection of BALB/c mice with thioglycolate *** viability was assessed using the cell counting kit-8,while cytotoxicity was determined through lactate dehydrogenase cytotoxicity *** protein expressions of interleukin(IL)-1α,IL-1β,and IL-18 were determined by enzyme-linked immunosorbent *** lipopolysaccharide(LPS)levels were measured by employing both the limulus amoebocyte lysate assay and flow ***,proximity ligation assay was employed for the LPS and caspase-11 *** were divided into 4 groups:the control,LPS,high-dose-SIB(100 mg/kg),and low-dose-SIB(100 mg/kg)groups(n=8).Zebrafish were divided into 4 groups:the control,LPS,high-dose-SIB(200μmol/L),and low-dose-SIB(100μmol/L)groups(n=30 for survival experiment and n=10 for gene expression analysis).The expression of caspase-11,gasdermin D(GSDMD),and N-GSDMD was determined by Western blot and the expressions of caspy2,gsdmeb,and IL-1βwere detected using quantitative real-time *** observation was performed through hematoxylineosin staining,and protein levels in bronchoalveolar lavage fluid were quantified using the bicinchoninicacid protein ***:SIB noticeably decreased caspase-11 and GSDMD-mediated pyroptosis and suppressed the secretion of IL-1α,IL-1β,and IL-18 induced by LPS(P<0.05).Moreover,SIB inhibited the translocation of LPS into the cytoplasm and the binding of caspase-11 and intracellular LPS(P<0.05).SIB also attenuated the expression of caspase-11 and N-terminal fragments of GSDMD,inhibited the relative cytokines,prolonged the survival time,and up-regulated the survival rate in the endotoxemia models(P<0.05).Conclusions:SIB can inhibit pyroptosis in the LPS-mediated endotoxemia model,at l

关键词： silibinin caspase-11 endotoxemia pyroptosis inflammation

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