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Evaluation of G3BP1 in the prognosis of acute and acute-on-chronic liver failure after the treatment of artificial liver support system

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World Journal of Hepatology 2024年第2期16卷 251-263页

作者： Wen-Yuan Li Lu-Wen Wang Jin Dong Yao Wang department of Anesthesiology Renmin Hospital of Wuhan UniversityWuhan 430060Hubei ProvinceChina department of infectious diseases Renmin Hospital of Wuhan UniversityWuhan 430060Hubei ProvinceChina department of Nephrology Renmin Hospital of Wuhan UniversityWuhan 430060Hubei ProvinceChina

BACKGROUND The increased expression of G3BP1 was positively correlated with the prognosis of liver *** To investigate the effect of G3BP1 on the prognosis of acute liver failure(ALF)and acute-on-chronic liver failure(ACLF)after the treatment of artificial liver support system(ALSS).METHODS A total of 244 patients with ALF and ACLF were enrolled in this *** levels of G3BP1 on admission and at discharge were *** validation set of 514 patients was collected to verify the predicted effect of G3BP1 and the viability of *** This study was shown that lactate dehydrogenase(LDH),alpha-fetoprotein(AFP)and prothrombin time were closely related to the prognosis of *** the ALSS treatment,the patient’amount of decreased G3BP1 index in difference of G3BP1 between the value of discharge and admission(difG3BP1)<0 group had a nearly 10-fold increased risk of progression compared with the amount of increased G3BP1 *** subgroup analysis showed that the difG3BP1<0 group had a higher risk of progression,regardless of model for end-stage liver disease high-risk or low-risk *** the same time,compared with the inflam matory marks[tumor necrosis factor-α,interleukin(IL)-1βand IL-18],G3BP1 had higher discrimination and was more stable in the model analysis and validation *** combined with AFP and LDH,concordance index was respectively 0.84 and 0.8 in training and validation *** This study indicated that G3BP1 could predict the prognosis of ALF or ACLF patients treated with *** combination of G3BP1,AFP and LDH could accurately evaluate the disease condition and predict the clinical endpoint of patients.

关键词： G3BP1 Prognosis Acute liver failure Acute-on-chronic liver failure Artificial liver support system

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Pseudomonas aeruginosa regulator PvrA binds simultaneously to multiple pseudo-palindromic sites for efficient transcription activation

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Science China(Life Sciences) 2024年第5期67卷 900-912页

作者： Yibo Zhu Bingnan Luo Xingyu Mou Yingjie Song Yonghong Zhou Yongbo Luo Bo Sun Youfu Luo Hong Tang Zhaoming Su Rui Bao Center of infectious diseases Division of Infectious Diseases in State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu 610041China department of Geriatrics and National Clinical Research Center for Geriatrics West China HospitalSichuan UniversityChengdu 610041China Key Laboratory of Biodiversity and Environment on the Qinghai-Tibetan Plateau Ministry of EducationSchool of Ecology and EnvironmentTibet UniversityLhasa 850000China Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China College of Life Science Sichuan Normal UniversityChengdu 610101China Accurate Biotechnology(Hunan)Co. LtdChangsha 410006China

Tetracycline repressor(TetR)family regulators(TFRs)are the largest group of DNA-binding transcription factors and are widely distributed in bacteria and *** play vital roles in controlling the expression of various genes and regulating diverse physiological ***,a TFR protein Pseudomonas virulence regulator A(PvrA),was identified from Pseudomonas aeruginosa as the transcriptional activator of genes involved in fatty acid utilization and bacterial ***,we show that PvrA can simultaneously bind to multiple pseudo-palindromic sites and upregulate the expression levels of target ***-electron microscopy(cryo-EM)analysis indicates the simultaneous DNA recognition mechanism of PvrA and suggests that the bound DNA fragments consist of a distorted B-DNA double *** crystal structure and functional analysis of PvrA reveal a hinge region that secures the correct domain motion for recognition of the promiscuous ***,our results showed that mutations disrupting the regulatory hinge region have differential effects on biofilm formation and pyocyanin biosynthesis,resulting in attenuated bacterial ***,these findings will improve the understanding of the relationship between the structure and function of the TetR family and provide new insights into the mechanism of regulation of *** virulence.

关键词： Pseudomonas aeruginosa transcription regulator TetR protein-structure virulence

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Surgical site infection following pancreaticoduodenectomy in a referral cancer center in Mexico

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Hepatobiliary & Pancreatic diseases International 2024年第5期23卷 502-508页

作者： Rodrigo Villaseñor-Echavarri Javier Melchor-Ruan Mercedes Aranda-Audelo Gabriela Arredondo-Saldaña Patricia Volkow-Fernandez Maria del Carmen Manzano-Robleda Alejandro E Padilla-Rosciano Diana Vilar-Compte department of infectious diseases Instituto Nacional de CancerologíaAv.San Fernando 22Belisario Domínguez Secc 16TlalpanMexico CityMexico School of Medicine Universidad PanamericanaAugusto Rodin No.498Insurgentes MixcoacBenito JuárezMexico CityMexico department of Digestive Tube and Hepatopancreatobiliary Tumors Instituto Nacional de CancerologíaAv.San Fernando 22Belisario Domínguez Secc 16TlalpanMexico CityMexico department of infectious diseases Hospital Manuel Gea GonzálezCalz.de Tlalpan 4800Belisario Domínguez Secc 16TlalpanMexico CityMexico Gastrointestinal and Endoscopy department Instituto Nacional de CancerologíaAv.San Fernando 22Belisario Domínguez Secc 16TlalpanMexico CityMexico

Background: Pancreaticoduodenectomy is the standard treatment for resectable periampullary cancer. Surgical site infections(SSI) are common complications with increased morbidity. The study aimed to describe the prevalence, risk factors, microbiology, and outcomes of SSI among patients undergoing pancreaticoduodenectomy. Methods: We conducted a retrospective study in a referral cancer center between January 2015 and June 2021. We analyzed baseline patient characteristics and SSI occurrence. Culture results and susceptibility patterns were described. Multivariate logistic regression was used to determine risk factors, proportional hazards model to evaluate mortality, and Kaplan-Meier analysis to assess long-term survival. Results: A total of 219 patients were enrolled in the study;101(46%) developed SSI. Independent factors for SSI were diabetes mellitus, preoperative albumin level, biliary drainage, biliary prostheses, and clinically relevant postoperative pancreatic fistula. The main pathogens were Enterobacteria and Enterococci. Multidrug-resistance rate in SSI was high but not associated with increased mortality. Infected patients had higher odds of sepsis, longer hospital stay and intensive care unit stay, and readmission rate. Neither 30-day mortality nor long-term survival was significantly different between infected and non-infected patients. Conclusions: SSI prevalence among patients undergoing pancreaticoduodenectomy was high and largely caused by resistant microorganisms. Most risk factors were related to preoperative instrumentation of the biliary tree. SSI was associated with greater risk of unfavorable outcomes;however, survival was unaffected.

关键词： Surgical site infection Pancreaticoduodenectomy Pancreatic cancer Endoscopic biliary drainage Biliary prosthesis

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Antifungal pipeline:Is there light at the end of the tunnel?

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World Journal of Clinical Cases 2024年第16期12卷 2686-2691页

作者： Georgios Schinas Nikolaos Spernovasilis Karolina Akinosoglou department of Medicine University of PatrasPatras 26504Greece department of infectious diseases German Oncology CenterLimassol 4108Cyprus

The misuse and overuse of classic antifungals have accelerated the development of resistance mechanisms,diminishing the efficacy of established therapeutic pathways and necessitating a shift towards alternative *** this pressing need for new treatments,the antifungal drug pipeline has been largely stagnant for the past three decades,primarily due to the high risks and costs associated with antifungal drug development,compounded by uncertain market *** research durations,special patient populations and rigorous regulatory demands pose significant barriers to bringing novel antifungal agents to *** response,the“push-pull”incentive model has emerged as a vital strategy to invigorate the pipeline and encourage *** editorial critically examines the current clinical landscape and spotlights emerging antifungal agents,such as Fosmanogepix,Ibrexafungerp,and Olorofim,while also unraveling the multifaceted challenges faced in new antifungal drug *** generation of novel antifungals offers a beacon of hope in the battle against antimicrobial resistance,but it is premature to declare them as definitive *** future role hinges on thorough clinical validation,costeffectiveness assessments,and continuous post-marketing *** through strategic implementation and integration with market strategies we can transform the landscape of antifungal development,addressing both the resistance crisis and the treatment challenges.

关键词： Antifungals Resistance Fosmanogepix Ibrexafungerp Olorofim

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Influence of nonalcoholic fatty liver disease on response to antiviral treatment in patients with chronic hepatitis B:A meta-analysis

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World Journal of Hepatology 2024年第3期16卷 465-476页

作者： Shi-Yi Liu Dian Wang Jing Liu Lu-Ping Yang Gong-Ying Chen department of Medicine Zhejiang Chinese Medical UniversityHangzhou 310053Zhejiang ProvinceChina department of Medicine Hangzhou Normal UniversityHangzhou 310011Zhejiang ProvinceChina department of infectious and Hepatology diseases Affiliated Hospital of Hangzhou Normal UniversityHangzhou 310015Zhejiang ProvinceChina

BACKGROUND Although hepatitis B virus infection is the leading cause of chronic liver injury globally,nonalcoholic fatty liver disease(NAFLD)is gradually gaining attention as another major chronic liver *** number of patients having chronic hepatitis B(CHB)with concomitant hepatic steatosis has *** To analyze the effect of NAFLD on the response to antiviral treatment in patients with *** Relevant English studies were systematically searched across PubMed,EMBASE,Web of Science,and Cochrane Library until October *** in which the treatment outcomes were compared between patients with CHB only and those with CHB and hepatic steatosis were *** Of the 2502 retrieved studies,11 articles were finally *** response until 48 wk(OR=0.87,95%CI:0.50–1.53,P=0.000)and 96 wk(OR=0.35,95%CI:0.24–0.53,P=0.24)and virological response until 96 wk(OR=0.80,95%CI:0.43–1.49,P=0.097)were lower in patients with hepatic steatosis than in patients with CHB *** Hepatic steatosis lowers the biochemical response to antiviral treatment in patients with CHB.

关键词： Nonalcoholic fatty liver disease Hepatitis B virus Antiviral treatment effect Meta-analysis

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SARS-CoV-2 and innate immunity:the good,the bad,and the"goldilocks"

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Cellular & Molecular Immunology 2024年第2期21卷 171-183页

作者： Benjamin L.Sievers Mark T.K.Cheng Kata Csiba Bo Meng Ravindra K.Gupta department of Medicine University of CambridgeCambridgeUK Cambridge Institute of Therapeutic Immunology&infectious Disease(CITID) Department of MedicineUniversity of CambridgeCambridgeUk

An ancient conflict between hosts and pathogens has driven the innate and adaptive arms of *** about this interplay can not only help us identify biological mechanisms but also reveal pathogen vulnerabilities that can be leveraged *** humoral response to SARS-CoV-2 infection has been the focus of intense research,and the role of the innate immune system has received significantly less ***,we review current knowledge of the innate immune response to SARS-CoV-2 infection and the various means SARS-CoV-2 employs to evade innate defense *** also consider the role of innate immunity in SARS-CoV-2 vaccines and in the phenomenon of long COVID.

关键词： SARS-CoV-2 Innate immune response Interferon Cytokines Inflammation Antiviral targets

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Research progress toward the influence of mosquito salivary proteins on the transmission of mosquito-borne viruses

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Insect Science 2024年第3期31卷 663-673页

作者： Zhao-Yang Wang Kai-Xiao Nie Ji-Chen Niu Gong Cheng Tsinghua University-Peking University Joint Center for Life Sciences School of MedicineTsinghua UniversityBejingChina Institute of infectious diseases Shenzhen Bay LaboratoryShenzhenGuangdongChina department of Pathogen Biology School of Basic MedicineShandong First Medical University&Shandong Academy of Medical SciencesJinanChina

Mosquito-borne viruses(MBVs)are a large class of viruses transmitted mainly through mosquito bites,including dengue virus,Zika virus,Japanese encephalitis virus,West Nile virus,and chikungunya virus,which pose a major threat to the health of people around the *** global warming and extended human activities,the incidence of many MBVs has increased *** saliva contains a variety of bioactive protein *** not only enable blood feeding but also play a crucial role in regulating local infection at the bite site and the remote dissemination of MBVs as well as in remodeling the innate and adaptive immune responses of host ***,we review the physiological functions of mosquito salivary proteins(MSPs)in detail,the influence and the underlying mechanism of MSPs on the transmission of MBVs,and the current progress and issues that urgently need to be addressed in the research and development of MSP-based MBV transmission blocking vaccines.

关键词： immune response mosquito-borne virus mosquito salivary protein saliva vaccine transmission

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First Case Report of Cystic Echinococcosis Caused by G7 Genotype Echinococcus intermedius Confirmed by Genetic Sequencing—Southern China,December 2023

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China CDC weekly 2024年第23期6卷 558-562页

作者： De Wu Jiayi Zhang Jieling Wang Yangyang Zhao Lei Wang Qiang Mao Haisen Lin Gang Yao Guanting Zhang Xu Wang Chuizhao Xue Ying Wang Jingdiao Chen Parasitic Disease Prevention and Control Institute Guangdong Center for Disease Control and PreventionGuangzhou CityGuangdong ProvinceChina Epidemic Prevention and Control Institute Zhuhai Center for Disease Control and PreventionZhuhai CityGuangdong ProvinceChina department of Prevention&Healthcare Zhuhai First People's HospitalZhuhai CityGuangdong ProvinceChina National Institute of Parasitic diseases Chinese Center for Disease Control and Prevention(Chinese Center for Tropical Diseases Research)ShanghaiChina

What is already known about this topic?Echinococcosis exhibits a global *** China,the primary endemic area is the northwest *** December 2023,we documented a case of echinococcosis in an individual lacking any travel or residential history in endemic *** is added by this report?This is the first laboratory-confirmed case of hepatic echinococcosis reported in Guangdong Province,associated with the G7 genotype of Echinococcus granulosus(***).The most probable mode of transmission is a local infection resulting from *** introduced from endemic *** are the implications for public health practice?As the circulation of agricultural products increases,it is essential to enhance the quarantine and management of livestock from epidemic areas to prevent and control the spread of echinococcosis to non-epidemic regions.

关键词： travel fir northwest

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Nonconserved epitopes dominate reverse preexisting T cell immunity in COVID-19 convalescents

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Signal Transduction and Targeted Therapy 2024年第7期9卷 2984-2998页

作者： Xin Wang Jie Zhang Maoshun Liu Yuanyuan Guo Peipei Guo Xiaonan Yang Bingli Shang Min Li Jinmin Tian Ting Zhang Xi Wang Ronghua Jin Jikun Zhou George F.Gao Jun Liu department of Epidemiology School of Public HealthCheeloo College of MedicineShandong UniversityJinan 250012China NHC Key Laboratory of Biosafety Research Unit of Adaptive Evolution and Control of Emerging VirusesChinese Academy of Medical SciencesNational Institute for Viral Disease Control and PreventionChinese Center for Disease Control and Prevention(China CDC)Beijing 102206China Beijing Key Laboratory of Emerging infectious diseases Institute of Infectious DiseasesBeijing Ditan HospitalCapital Medical UniversityBeijing 100015China Beijing Institute of infectious diseases Beijing 100015China National Center for infectious diseases Beijing Ditan HospitalCapital Medical UniversityBeijing 100015P.R.China School of Laboratory Medicine and Life Sciences Wenzhou Medical UniversityWenzhou 325035China School of Ophthalmology&Optometry Wenzhou Medical UniversityWenzhou 325027China Collaborative Innovation Centre of Regenerative Medicine and Medical BioResource Development and Application Co-constructed by the Province and Ministry Guangxi Medical UniversityNanningGuangxi 530021China Shijiazhuang Fifth Hospital Shijiazhuang 050011China CAS Key Laboratory of Pathogen Microbiology and Immunology Institute of MicrobiologyChinese Academy of Sciences(CAS)Beijing 100101China Savaid Medical School University of Chinese Academy of SciencesBeijing 100049China

The herd immunity against SARS-CoV-2 is continuously consolidated across the world during the ongoing ***,the potential function of the nonconserved epitopes in the reverse preexisting cross-reactivity induced by SARS-CoV-2 to other human coronaviruses is not well *** our research,we assessed T cell responses to both conserved and nonconserved peptides shared by SARS-CoV-2 and SARS-CoV,identifying cross-reactive CD8^(+)T cell epitopes using enzyme-linked immunospot and intracellular cytokine staining ***,in vitro refolding and circular dichroism were performed to evaluate the thermal stability of the HLA/peptide ***,single-cell T cell receptor reservoir was analyzed based on tetramer ***,we discovered that cross-reactive T cells targeting SARS-CoV were present in individuals who had recovered from COVID-19,and identified SARS-CoV-2 CD8^(+)T cell epitopes spanning the major structural antigens.T cell responses induced by the nonconserved peptides between SARS-CoV-2 and SARS-CoV were higher and played a dominant role in the cross-reactivity in COVID-19 ***-T cell reactivity was also observed within the identified series of CD8^(+)T cell *** representative immunodominant peptide pairs,although the HLA binding capacities for peptides from SARS-CoV-2 and SARS-CoV were similar,the TCR repertoires recognizing these peptides were *** results could provide beneficial information for the development of peptide-based universal vaccines against coronaviruses.

关键词： immunity conserved assessed

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Antiviral treatment standards for hepatitis B:An urgent need for expansion

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World Journal of Gastroenterology 2024年第4期30卷 418-420页

作者： Zi-Hong Bao Zhi-Kun Dai Hao-Xian Tang department of infectious diseases The First Affiliated Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina Medical College Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina department of Cardiology The First Affiliated Hospital of Shantou University Medical CollegeShantou 515041Guangdong ProvinceChina

The present letter to the editor is related to the review with the title“Past,present,and future of long-term treatment for hepatitis B virus.”Chronic hepatitis B(CHB)represents an important and pressing public health *** identification and effective antiviral therapy hold the potential to reduce liver-related mortality attributable to chronic infection with hepatitis B virus(HBV)***,the current global treatment rates for CHB remain conspicuously low,with the excessively stringent treatment criteria advocated by national CHB guidelines being a contributing factor to these low ***,recent strides in comprehending this malady and the emergence of novel antiviral agents prompt the imperative re-evaluation of treatment standards to extend the sphere of potential *** impending need arises for a novel paradigm for the classification of patients with CHB,the expansion of antiviral treatment eligibility for HBV-infected individuals,and even the streamlining of the diagnostic process for CHB to amplify cost-effectiveness and augment survival prospects.

关键词： Hepatitis B virus Chronic hepatitis B Antiviral treatment criteria Serum alanine aminotransferase Liver-related mortality Letter to the Editor

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