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Profibrotic role of the SOX9-MMP10-ECM biosynthesis axis in the tracheal fibrosis after injury and repair

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Genes & Diseases 2024年第5期11卷 360-373页

作者： Lei Gu Anmao Li Chunyan He Rui Xiao Jiaxin Liao Li Xu Junhao Mu Xiaohui Wang Mingjin Yang Jinyue Jiang Yang Bai Xingxing Jin Meiling Xiao Xia Zhang Tairong Tan Yang Xiao Jing Lin Yishi Li Shuliang Guo department of Respiratory and critical care Medicine The First Affiliated Hospital of Soochow UniversitySuzhou 215006China department of Respiratory and critical care Medicine The First Affiliated Hospital of Chongqing Medical UniversityChongqing 400016China department of Infection Disease The First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiang 325000China

Fibroblast activation and extracellular matrix(ECM)deposition play an important role in the tracheal abnormal repair process and *** a transcription factor,SOX9 is involved in fibroblast activation and ECM ***,the mechanism of how SOX9 regulates fibrosis after tracheal injury remains *** investigated the role of SOX9 in TGF-b1-induced fibroblast activation and ECM deposition in rat tracheal fibroblast(RTF)***9 overexpression adenovirus(Ad-SOX9)and siRNA were transfected into RTF *** found that SOX9 expression was up-regulated in RTF cells treated with ***9 overexpression activated fibroblasts and promoted ECM *** SOX9 inhibited cell proliferation,migration,and ECM deposition,induced G2 arrest,and increased apoptosis in RTF ***-seq and chromatin immunoprecipitation sequencing(ChIP-seq)assays identified MMP10,a matrix metalloproteinase involved in ECM deposition,as a direct target of SOX9,which promotes ECM degradation by increasing MMP10 expression through the Wnt/b-catenin signaling ***,in vivo,SOX9 knockdown ameliorated granulation proliferation and tracheal fibrosis,as manifested by reduced tracheal *** conclusion,our findings indicate that SOX9 can drive fibroblast activation,cell proliferation,and apoptosis resistance in tracheal fibrosis via the Wnt/b-catenin signaling *** SOX9eMMP10 eECM biosynthesis axis plays an important role in tracheal injury and *** SOX9 and its downstream target MMP10 may represent a promising therapeutic approach for tracheal fibrosis.

关键词： Extracellular matrix deposition Fibroblast activation MMP10 SOX9 Tracheal fibrosis

A case of Rickettsia felis infection-induced encephalitis in a pregnant woman

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World Journal of Emergency Medicine 2024年第2期15卷 150-152页

作者： Jinghua Qiu Hui Feng Lijun Liu Jianjun Zhu department of Emergency and critical care Medicine the Second Affiliated Hospital of Soochow UniversitySuzhou 215004China

Rickettsia felis is an exclusively cytozoic Gram-negative prokaryote with cat fleas as the major vectors.[1]As early as 1918,Rickettsia felis was detected in cat fleas in Europe and named Rickettsia ctenocephali.[2]Symptoms of fever,malaise,headache,maculopapular rash and eschar are observed in patients with Rickettsia felis infection.

关键词： encephalitis headache infection

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Lactate aggravates inflammation through the upregulation of ICAM-1 via GPR81-HSPA12B-mediated signaling in acute lung injury

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中华医学杂志(英文版) 2024年第15期137卷 1885-1887页

作者： Chang Wei Liu Xu Wang Haofei Zhu Xingxing Huang Wei Liu Ling Qiu Haibo Yang Yi department of critical care Medicine Jiangsu Provincial Key Laboratory of Critical Care Medicine Zhongda Hospital School of Medicine Southeast University Nanjing Jiangsu China The Medical School Southeast University Nanjing Jiangsu China

PKHD1L1 blocks the malignant behavior of lung adenocarcinoma cells and restricts tumor growth by regulating CBX7

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BIOCELL 2024年第8期48卷 1209-1221页

作者： KEWEI CHENG LEI SHI CAIWEN SHI SHUANSHUAN XIE CHANGHUI WANG department of Pulmonary and critical care Medicine The Affiliated Changzhou Second People’s Hospital of Nanjing Medical UniversityChangzhou213004China department of Pulmonary and critical care Medicine Shanghai Tenth Clinical Medical College of Nanjing Medical UniversityShanghai200072China

Objective:To explore the role of polycystic kidney and hepatic disease 1-like 1(PKHD1L1)in lung adenocarcinoma(LUAD).Methods:Bioinformatics tools were utilized to examine the clinical profile of PKHD1L1 and chromobox protein homolog 7(CBX7)in *** Cell Counting Kit-8,colony formation,terminal deoxynucleotidyl transferase dUTP nick end labeling,Transwell,and wound-healing assays were carried out to assess the proliferative,apoptotic,invasive,and migrative capacities of the ***,the interrelation between PKHD1L1 and CBX7 was validated using a co-immunoprecipitation assay.A LUAD mice model was constructed by subcutaneous injection of A549 ***,immunohistochemical staining was performed to evaluate CBX7 and Ki67 ***:PKHD1L1 was downregulated in LUAD and predicted dismal outcomes in patients with ***1L1 upregulation repressed the proliferative,invasive,and migrative capabilities of A549 cells and exacerbated the apoptotic ***,PKHD1L1 may bind to CBX7 and positively modulate CBX7 ***7 deletion partly abrogated the effects of PKHD1L1 upregulation on the cellular biological activities in A549 ***,the PKHD1L1/CBX7 axis regulates the Hippo signaling pathway in A549 ***1L1 restricted tumor growth in LUAD xenograft mice;this was partly abolished by CBX7 ***:PKHD1L1 can hinder LUAD progression by regulating CBX7-mediated Hippo signaling.

关键词： Lung adenocarcinoma Polycystic kidney and hepatic disease 1-like 1 CBX7 Hippo signaling

When to start renal replacement therapy in acute kidney injury: What are we waiting for?

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Journal of Intensive Medicine 2024年第3期4卷 341-346页

作者： Lixia Liu Zhenjie Hu department of critical care Medicine The Fourth Hospital of Hebei Medical UniversityShijiazhuangHebeiChina

Acute kidney injury remains a serious condition with a high mortality risk. In the absence of any new drugs, renal replacement therapy (RRT) is the most important treatment option. Randomized controlled trials have concluded that in critically ill patients without an emergency indication for RRT, a watchful waiting strategy is safe;however, further delays in RRT did not seem to confer any benefit, rather was associated with potential harm. During this process, balancing the risks of complications due to an unnecessary intervention with the risk of not correcting a potentially life-threatening complication remains a challenge. Dynamic renal function assessment, especially dynamic assessment of renal demand-capacity matching, combined with renal biomarkers such as neutrophil gelatinase-associated lipocalin and furosemide stress test, is helpful to identify which patients and when the patients may benefit from RRT.

关键词： Acute kidney injury Renal replacement therapy Initiation timing Dynamic assessment Biomarkers

Anesthetic consideration in Meigs syndrome with large pleural effusion and lung collapse

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Journal of Acute Disease 2024年第1期13卷 43-44,I0006,I0007页

作者： Shalendra Singh Deepak Mishra Deepu K Peter Munish Sood department of anaesthesiology and critical care Command Hospital(NC)UdhampurIndia department of anaesthesiology and critical care Command Hospital(SC)PuneIndia department of Pulmonary Medicine Command Hospital(NC)UdhampurIndia department of Orthopaedics INHSMumbaiIndia

Meigs syndrome(MS)is characterized by a benign ovarian tumor(fibroma),hydrothorax on the right side,and ascites;which can be resolved permanently after *** literature reveals that most MS surgeries were performed under general anesthesia(GA)[1].However,GA poses major risks to the *** the high risk of gastric content regurgitation,poor general condition or dyselectrolytemia may lead to delayed arousal,and associated multi-organ *** mechanical ventilation is also difficult due to ascites and hydrothorax(reduced cardiac output,impaired ventilation-perfusion in lungs causing hypoxia and hypercapnia)[1,2].In this letter,we report a case of MS tumor resection under the subarachnoid block(SAB)to mitigate these issues and also review the complications associated with both techniques.

关键词： anesthesia impaired ascites

Early prediction and prevention of infected pancreatic necrosis

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World Journal of Gastroenterology 2024年第9期30卷 1005-1010页

作者： Cheng Lv Zi-Xiong Zhang Lu Ke department of critical care Medicine Jinling HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjing 210000Jiangsu ProvinceChina Research Institute of critical care Medicine and Emergency Rescue Nanjing UniversityNanjing 210000Jiangsu ProvinceChina

Approximately 20%-30%of patients with acute necrotizing pancreatitis develop infected pancreatic necrosis(IPN),a highly morbid and potentially lethal *** identification of patients at high risk of IPN may facilitate appropriate preventive measures to improve clinical *** the past two decades,several markers and predictive tools have been proposed and evaluated for this *** biomarkers like C-reactive protein,procalcitonin,lymphocyte count,interleukin-6,and interleukin-8,and newly developed biomarkers like angiopoietin-2 all showed significant association with *** the other hand,scoring systems like the Acute Physiology and Chronic Health Evaluation II and Pancreatitis Activity Scoring System have also been tested,and the results showed that they may provide better *** early prevention of IPN,several new therapies were tested,including early enteral nutrition,anti-biotics,probiotics,immune enhancement,etc.,but the results *** together,several evidence-supported predictive markers and scoring systems are readily available for predicting ***,effective treatments to reduce the incidence of IPN are still lacking apart from early enteral *** this editorial,we summarize evidence concerning early prediction and prevention of IPN,providing insights into future practice and study design.A more homo-geneous patient population with reliable risk-stratification tools may help find effective treatments to reduce the risk of IPN,thereby achieving individualized treatment.

关键词： Acute pancreatitis Infected pancreatic necrosis Biomarker Scoring system Nutrition therapy Selective digestive decontamination Probiotics Antibiotics Immune enhancement therapy

Effect of norepinephrine on host immunity and bacterial infection

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Chinese Medical Journal 2024年第3期137卷 362-364页

作者： Jia Wang Zhiyao Fang Xue Dong Wenwen Li Xianyao Wan department of critical care Medicine The First Affiliated Hospital of Dalian Medical UniversityDalianLiaoning 116021China

To the Editor:Norepinephrine(NE),which belongs to the catecholamine family,is increasingly produced by the sympathetic nervous system and adrenal medulla when the host is under *** has been demonstrated that NE has a significant anti-inflammatory *** addition,increasing evidence has indicated that stress hormones are directly involved in the interaction between bacteria and the host.A variety of bacteria can exhibit changes in growth,virulence,and biofilm by high concentrations of ***,this article aimed to summarize the main research developments regarding the effects of NE on host immunity and bacterial infection,as well as the attendant molecular mechanisms[Figure 1].

关键词： effect. Figure stress

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Efficacy and safety of Nafamostat mesylate in patients with endstage renal failure

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World Journal of Clinical Cases 2024年第1期12卷 68-75页

作者： Kun Liu Zhen-Hua Li department of critical care Medicine The Third People's Hospital Of Hubei ProvinceWuhan 430030Hubei ProvinceChina department of critical care Medicine General Hospital of The Yangtze River ShippingWuhan Brain HospitalWuhan 430015Hubei ProvinceChina

BACKGROUND Recent studies on dialysis anticoagulation therapy in patients with renal failure have shown that Nafamostat mesylate,a broad-spectrum potent serine protease inhibitor,has strong anticoagulation and anti-fiber *** To evaluate the efficacy and safety of Nafamostat mesylate in patients with end-stage renal *** Seventy-five patients with end-stage renal failure who received hemodialysis at our hospital between January 2020 and August 2021 were selected and divided into the observation group(Nafamostat mesylate for injection,n=33)and control group(heparin sodium injection,n=32).General patient data,indicators of clinical efficacy,dialyzer hemocoagulation parameters,coagulation function indices,and hemoglobin concentration and platelet count before and after treatment,and the occurrence of adverse reactions after treatment were compared between the two *** The two groups showed no significant differences in general patient data(P>0.05).The post-treatment effectiveness rate in the control group was lower than that in the observation group(P0.05),while the number of patients in grade 0 was lower in the control group,and the number of patients in grades II and III was higher in the control group(P0.05).The total number of post-treatment adverse reactions in the observation group was lower than that in the control group(P<0.05).CONCLUSION Treatment of patients showing end-stage renal failure with Nafamostat mesylate can s

关键词： End-stage renal failure Nafamostat mesylate Effectiveness Safety study Chronic kidney diseases