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Longitudinal gut fungal alterations and potential fungal biomarkers for the progression of primary liver disease

Science China(Life Sciences) 2024年第6期67卷 1183-1198页

作者： Shiman Jiang Lvwan Xu Yanfei Chen Zheyue Shu Longxian Lv Yuxi Zhao Kefan Bi Sisi Yang Qiangqiang Wang Lanjuan Li State Key Laboratory for Diagnosis and Treatment of infectious diseases National Clinical Research Center for Infectious DiseasesNational Medical Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China division of Hepatobiliary and Pancreatic Surgery Department of SurgeryThe First Affiliated HospitalZhejiang University School of MedicineHangzhou 310003China

Liver disease,a major health concern worldwide,is a serious and progressive ***,we not only established a mouse model of DEN+CCl4-induced primary liver disease but also collected clinical human samples to investigate longitudinal alterations in the gut *** liver disease advanced,gut integrity was disrupted,and the mycobiota was disturbed in the mouse *** metabolites associated with hepatocellular carcinoma(HCC)differed from those associated with the cirrhotic phase as follows:levels of stercobilin and aflatoxin B1 dialcohol were reduced,while levels of triterpenoids,bafilomycin A1,and DHEA were increased in the HCC *** abundance of the phylum Chytridiomycota increased as the chronic liver disease progressed and was then replaced by the phylum Ascomycota in *** on the results from clinical human samples,the genus Candida(Ascomycota)(in humans)and the genus Kazachstania(Ascomycota)(in mice)occupied a dominant position in the HCC group,while other fungi were *** increased abundance of *** and depletion of *** may be hallmarks of the progression of liver cirrhosis to early ***,the administration of *** and *** in the LC-HCC progression could accelerate or retard the progression of ***,gut fungi have the potential to serve as a noninvasive clinical biomarker and even a treatment method.

关键词： gut mycobiome liver disease longitudinal studies hepatocarcinogenesis fungal biomarker

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A retrospective analysis of carbapenem-resistant Acinetobacter baumannii infections in critically ill patients:Experience at a tertiary-care teaching hospital ICU

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Journal of Intensive medicine 2024年第2期4卷 181-186页

作者： Leyla Ferlicolak Neriman Defne Altintas Fugen Yoruk department of Internal medicine.division of Intensive Care Unit Ankara University Faculty of MedicineAnkaraTurkey department of infectious diseases and Clinical Microbiology Ankara University Faculty of MedicineAnkaraTurkey

Background Acinetobacter baumannii is a clinically significant pathogen with a high incidence of multidrug resistance that is associated with life-threatening nosocomial ***,we aimed to provide an insight into the clinical characteristics and outcomes of a unique group of *** infections in which the isolates were resistant to carbapenems and most other antibiotic groups in a tertiary-care intensive care unit(ICU).Methods We performed a retrospective observational study in which records of patients hospitalized in the ICU between June 1,2021 and June 1,2023 were *** checked the clinical,laboratory,and microbiological records of all adult patients who had carbapenem-resistant ***(CRAB)*** antibiotic treatments and definitive antibiotic treatments after culture positivity and susceptibility test results were recorded.C-reactive protein(CRP)and procalcitonin levels and leukocyte counts were *** of ICU stay and 30-day mortality were defined as the outcome *** During the study period,57 patients were diagnosed with CRAB *** respiratory tract was the leading infection site(80.7%).In non-survivors,bloodstream infections(21.9%vs.4.0%P=0.05)and colistin-resistant(col-R)CRAB infections(43.8%vs.24.0%,P=0.12)were more common than in survivors,but these parameters were not statistically *** length of ICU stay was not different between survivors and ***,the rate of col-R among CRAB clinical isolates was 35.1%.The 30-day mortality in all patients with CRAB infection was 56.1%.Mortality in col-R CRAB and colistin-susceptible(col-S)CRAB infections was 70.0%and 48.6%,respectively(P=0.12).Prior carbapenem use was 56.1%.Prior colistin use before col-R and col-S CRAB infections was not significant(35.0%vs.27.0%,P=0.53).Conclusions Our study provides real-world data on highly resistant *** infections and shares the characteristics of infections with such resistant stra

关键词： Mortality Colistin-resi stant Gram-negative bacteria MDR Intensive care unit

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Real-world utility of serological tests in patients with suspected scrub typhus in the Republic of Korea:A single-center,retrospective,observational study

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Asian Pacific Journal of Tropical medicine 2024年第6期17卷 273-280,I0004,I0005页

作者： Seulki Kim A Reum Kim Seungjin Lim Su Jin Lee Moonsuk Bae division of infectious diseases Department of Internal MedicinePusan National University Yangsan HospitalYangsanRepublic of Korea Research Institute for Convergence of Biomedical Science and Technology Pusan National University Yangsan HospitalYangsanRepublic of Korea department of Internal medicine Pusan National University School of MedicineBusanRepublic of Korea

Objective:Serological tests are widely used for scrub typhus diagnosis;however,their limitations are *** study aims to assess their practical value in clinical ***:We analyzed the data of adult patients with suspected scrub typhus who visited a tertiary care hospital in the Republic of Korea from September to December from 2019 to *** included patients had an acute fever and at least one of the following ten secondary findings:myalgia,skin rash,eschar,headache,thrombocytopenia,increased liver enzyme levels,lymphadenopathy,hepatomegaly,splenomegaly,and pleural *** diagnoses were grouped as scrub typhus or other diseases by two infectious disease ***:Among 136 patients who met the eligibility criteria,109 had scrub typhus and 27 had different *** and paired total antibodies using immunofluorescence assay(IFA),and total antibodies using immunochromatography-based rapid diagnostic testing(ICT)were measured in 98%,22%,and 75%of all patients,*** using paired samples for scrub typhus was established at a median of 11[interquartile range(IQR)10-16]days following the first *** the 82 admitted patients,the median admission time was 9(IQR 7-13)*** to IFA,58(55%)patients with scrub typhus had total immunoglobulin titers≥1:320,while 23(85%)patients with other disease had titersdiseases showed negative ICT ***:Serological testing for scrub typhus is currently insufficient for decision-making in clinical practice.

关键词： Scrub typhus Serological test Immunofluorescence assay Immunochromatography Rapid detecting test

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The immune response to SARS-CoV-2 in people with HIV

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Cellular & Molecular Immunology 2024年第2期21卷 184-196页

作者： Maxine A.Höft Wendy A.Burgers Catherine Riou Institute of infectious Disease and Molecular medicine University of Cape TownCape TownSouth Africa division of Medical Virology Department of PathologyUniversity of Cape TownCape TownSouth Africa Wellcome Centre for infectious diseases Research in Africa University of Cape TownCape TownSouth Africa

This review examines the intersection of the HIV and SARS-CoV-2 *** with HIV(PWH)are a heterogeneous group that differ in their degree of immune suppression,immune reconstitution,and viral *** COVID-19 in those with wellcontrolled HIV infection poses no greater risk than that for HIV-uninfected individuals,people with advanced HIV disease are more vulnerable to poor COVID-19 ***-19 vaccines are effective and well tolerated in the majority of PWH,though reduced vaccine efficacy,breakthrough infections and faster waning of vaccine effectiveness have been demonstrated in *** is likely a result of suboptimal humoral and cellular immune responses after *** with advanced HIV may also experience prolonged infection that may give rise to new epidemiologically significant variants,but initiation or resumption of antiretroviral therapy(ART)can effectively clear persistent ***-19 vaccine guidelines reflect these increased risks and recommend prioritization for vaccination and additional booster doses for PWH who are moderately to severely *** recommend continued research and monitoring of PWH with SARS-CoV-2 infection,especially in areas with a high HIV burden.

关键词： SARS-CoV-2 HIV Immune dysfunction Vaccine efficacy Prolonged infection Immunogenicity

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infectious causes of fever of unknown origin in developing countries: An international ID-IRI study

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Journal of Intensive medicine 2024年第1期4卷 94-100页

作者： Hakan Erdem Jaffar AAl-Tawfiq Maha Abid Wissal Ben Yahia George Akafity Manar Ezzelarab Ramadan Fatma Amer Amani El-Kholy Atousa Hakamifard Bilal Ahmad Rahimi Farouq Dayyab Hulya Caskurlu Reham Khedr Muhammad Tahir Lysien Zambrano Mumtaz Ali Khan Aun Raza Nagwa Mostafa El-Sayed Magdalena Baymakova Aysun Yalci Yasemin Cag Umran Elbahr Aamer Ikram department of infectious diseases&Clinical Microbiology Gulhane School of MedicineTurkish Health Sciences UniversityAnkaraTurkey Specialty Internal medicine.and Quality and Patient Safety department Johns Hopkins Aramco HealthcareDhahranSaudi Arabia division of infectious diseases Indiana University School of MedicineIndianapolisINUSA department of infectious diseases Farhat Hached University HospitalIbn El Jazzar Medical SchoolUniversity of SousseSousseTunisia Internal medicine.department Farhat Hached University HospitalIbn El Jazzar Medical SchoolUniversity of SousseSousseTunisia Cape Coast Teaching Hospital Cape CoastGhana Medical Parasitology Faculty of MedicineSuez UniversitySuezEgypt department of Medical Microbiology and Immunology Faculty of MedicineZagazig UniversityZagazigEgypt department of Clinical Pathology Faculty of MedicineCairo UniversityGizaEgypt department of infectious diseases School of MedicineIsfahan University of Medical SciencesIsfahanIran department of infectious diseases Kandahar University Medical FacultyTeaching HospitalKandaharAfghanistan department of infectious diseases Mohammed Bn Khalifa Bn Salman Alkhalifa Specialist Cardiac CenterAwaliBahrain department of infectious diseases and Clinical Microbiology Faculty of MedicineIstanbul Medeniyet UniversityIstanbulTurkey department of Pediatric Oncology National Cancer Institute–Cairo UniversityChildren Cancer Hospital EgyptCairoEgypt department of medicine Federal General HospitalIslamabadPakistan Institute for Research in Medical Sciences and Right to Health(ICIMEDES) Scientific Research Unit(UIC)Faculty of Medical Sciences(FCM)National Autonomous University of Honduras(UNAH)TegucigalpaHonduras National Institute of Health IslamabadPakistan Shaukat Khanum Memorial Cancer Hospital and Research Center LahorePakistan Medical Parasitology department Research Institute of OphthalmologyGizaEgypt department of infectious diseases Military Medical AcademySofiaBulgaria department of Infecti

Background:Fever of unknown origin(FUO)in developing countries is an important dilemma and further research is needed to elucidate the infectious causes of ***:A multi-center study for infectious causes of FUO in lower middle-income countries(LMIC)and lowincome countries(LIC)was conducted between January 1,2018 and January 1,*** total,15 participating centers from seven different countries provided the data,which were collected through the infectious diseasesInternational Research Initiative *** adult patients with confirmed infection as the cause of FUO were included in the *** severity parameters were quick Sequential Organ Failure Assessment(qSOFA)≥2,intensive care unit(ICU)admission,vasopressor use,and invasive mechanical ventilation(IMV).Results:A total of 160 patients with infectious FUO were included in the ***,148(92.5%)patients had community-acquired infections and 12(7.5%)had hospital-acquired *** most common infectious syndromes were tuberculosis(TB)(n=27,16.9%),infective endocarditis(n=25,15.6%),malaria(n=21,13.1%),brucellosis(n=15,9.4%),and typhoid fever(n=9,5.6%).Plasmodium falciparum,Mycobacterium tuberculosis,Brucellae,Staphylococcus aureus,Salmonella typhi,and Rickettsiae were the leading infectious agents in this study.A total of 56(35.0%)cases had invasive procedures for *** mean qSOFA score was 0.76±0.94{median(interquartile range[IQR]):0(0–1)}.ICU admission(n=26,16.2%),vasopressor use(n=14,8.8%),and IMV(n=10,6.3%)were not ***,38(23.8%)patients had at least one of the severity *** mortality rate was 15(9.4%),and the mortality was attributable to the infection causing FUO in 12(7.5%)***:In LMIC and LIC,tuberculosis and cardiac infections were the most severe and the leading infections causing FUO.

关键词： Developing countries Fever of unknown origin Infection

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Antimicrobial stewardship and targeted therapies in the changing landscape of maternal sepsis

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Journal of Intensive medicine 2024年第1期4卷 46-61页

作者： Nishel M Shah Esmita Charani Damien Ming Fook-Choe Cheah Mark R Johnson department of Metabolism Digestion and ReproductionImperial College LondonChelsea and Westminster HospitalLondonUK Health Protection Research Unit in Healthcare Associated Infection and Antimicrobial Resistance Imperial College LondonLondonUK division of infectious diseases and HIV medicine Department of MedicineGroote Schuur HospitalUniversity of Cape TownCape TownSouth Africa department of infectious diseases Imperial College LondonChelsea and Westminster HospitalLondonUK department of Paediatrics Faculty of MedicineUniversiti Kebangsaan Malaysia Medical CentreKuala LumpurMalaysia

Pregnant and postnatal women are a high-risk population particularly prone to rapid progression to sepsis with significant morbidity and mortality ***,severe maternal infections can have a serious detrimental impact on neonates with almost 1 million neonatal deaths annually attributed to maternal infection or *** this review we discuss the susceptibility of pregnant women and their specific physiological and immunological adaptations that contribute to their vulnerability to sepsis,the implications for the neonate,as well as the issues with antimicrobial stewardship and the challenges this poses when attempting to reach a balance between clinical care and urgent ***,we review advancements in the development of pregnancy-specific diagnostic and therapeutic approaches and how these can be used to optimize the care of pregnant women and neonates.

关键词： Sepsis Pregnancy Immunology Cardiovascular Personalised medicine Antibiotic stewardship

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Antibodies Targeting a Conserved Surface Polysaccharide Are Protective Against a Wide Range of Microbial Pathogens Producing b-1-6-Linked Poly-N-Acetylglucosamine(PNAG)

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Engineering 2024年第7期38卷 69-76页

作者： Xi Lu Guoqing Li Jing Pang Xinyi Yang Colette Cywes-Bentley Xuefu You Gerald B.Pier Beijing Key Laboratory of Antimicrobial Agents Institute of Medicinal BiotechnologyChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijing 100050China division of infectious diseases Department of MedicineBrigham and Women’s HospitalHarvard Medical SchoolBostonMA 02115USA

The b-1-6-linked poly-N-acetylglucosamine(PNAG)polymer is a conserved surface polysaccharide produced by many bacteria,fungi,and protozoan(and even filarial)*** wide-ranging expression makes PNAG an attractive target for vaccine development,as it potentially encompasses a broad range of *** progress has been made in discovering important properties of the biology of PNAG expression in recent *** molecular characterization and regulation of operons for the production of PNAG biosynthetic proteins and enzymes have been studied in many *** addition,the physiological function of PNAG has been further ***-based vaccines and PNAG-targeting antibodies have shown great efficacy in preclinical ***,clinical tests for both vaccines and antibodies have been carried out in humans and economically important animals,and the results are *** it is not destined to be a smooth road,we are optimistic about new vaccines and immunotherapeutics targeting PNAG becoming validated and eventually licensed for clinical use against multiple infectious agents.

关键词： Poly-N-acetylglucosamine Conjugate vaccine Monoclonal antibody

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No Incidence of Liver Cancer Was Observed in A Retrospective Studyof Patients with Aristolochic Acid Nephropathy

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Chinese Journal of Integrative medicine 2024年第2期30卷 99-106页

作者： SU Tao FANG Zhi-e GUO Yu-ming WANG Chun-yu WANG Jia-bo JI Dong BAI Zhao-fang YANG Li XiAO Xiao-he Renal division Department of MedicinePeking University First HospitalBeijing(100034)China department of Pharmacy Chongqing Hospital of Traditional Chinese MedicineChongqing(400021)China department of Hepatology Fifth Medical Center of Chinese PLA General HospitalBeijing(100039)China China Military Institute of Chinese Materia Fifth Medical Center of Chinese PLA General HospitalBeijing(100039)China Phase I Clinical Trials Unit Department of Medicine for Infectious DiseasesFifth Medical Center of Chinese PLA General HospitalBeijing(100039)China department of Pharmacy Affiliated Hospital of Shandong University of Traditional Chinese MedicineJinan(250000)China National Key Laboratory of Kidney diseases Beijing(100039)China

Objective:To assess the risk of aristolochic acid(AA)-associated cancer in patients with AA nephropathy(AAN).Methods:A retrospective study was conducted on patients diagnosed with AAN at Peking University First Hospital from January 1997 to December ***-term surveillance and follow-up data were analyzed to investigate the influence of different factors on the prevalence of *** primary endpoint was the incidence of liver cancer,and the secondary endpoint was the incidence of urinary cancer during 1 year after taking AA-containing medication to ***:A total of 337 patients diagnosed with AAN were included in this *** the initiation of taking AA to the termination of follow-up,39 patients were diagnosed with *** cases of liver cancer were observed throughout the entire follow-up period,with urinary cancer being the predominant type(34/39,87.17%).Logistic regression analysis showed that age,follow-up period,and diabetes were potential risk factors,however,the dosage of the drug was not significantly associated with urinary ***:No cases of liver cancer were observed at the end of ***,a high prevalence of urinary cancer was observed in AAN *** a direct causality between AA and HCC is challenging.

关键词： aristolochic acid hepatocellular carcinoma urinary cancer drug safety retrospective study

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Prevalence and intensity of urinary schistosomiasis and soil-transmitted helminths among women of reproductive age in Mwaluphamba,Kwale

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Asian Pacific Journal of Tropical medicine 2024年第2期17卷 71-83页

作者： Samuel M.Ngui Joseph M.Mwangangi Joachim Richter Josephine W.Ngunjiri department of Biological Sciences University of EmbuKenya Medical Entomology Kenya Medical Research Institute(KEMRI)Center for Geographic Medicine Research Coast KilifiKenya Institute of International Health Global Health CenterCharitéUniversity MedicineBerlinCorporate Member of Free University and Humboldt University and Berlin Institute of HealthBerlinGermany Swiss Tropical and Public Health Institute BaselSwitzerland Tropical and infectious diseases Department of Biological sciencesUniversity of EmbuKenya

Objective:To assess the epidemiology of urinary schistosomiasis and soil-transmitted helminthiasis among women of reproductive age in Mwaluphamba,Kwale County,***:A community-based cross-sectional study design was emp... 详细信息

关键词： Urinary schistosomiasis Prevalence Soiltransmitted helminths Mwaluphamba

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STAT3-Dependent Effects of Polymeric Immunoglobulin Receptor in Regulating Interleukin-17 Signaling and Preventing Autoimmune Hepatitis

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Engineering 2024年第5期36卷 209-222页

作者： Ting Li Tongtong Pan Nannan Zheng Xiong Ma Xiaodong Wang Fang Yan Huimian Jiang Yuxin Wang Hongwei Lin Jing Lin Huadong Zhang Jia Huang Lingming Kong Anmin Huang Qingxiu Liu Yongping Chen Dazhi Chen Hepatology Diagnosis and Treatment Center The First Affiliated Hospital of Wenzhou Medical University&Zhejiang Provincial Key Laboratory for Accurate Diagnosis and Treatment of Chronic Liver DiseasesWenzhou 325035China department of Clinical medicine Hangzhou Medical CollegeHangzhou 310053China State Key Laboratory for Oncogenes and Related Genes Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200001China Wenzhou Medical University Wenzhou 325035China division of infectious diseases Lishui People’s HospitalLishui 323000China

One-third of patients with autoimmune hepatitis(AIH)have cirrhosis at the time of *** relevance of these variables,although unknown,is believed to be critical in AIH because of suspected interactions between the gut microbiome and genetic *** of the gut flora and elevated polymeric immunoglobulin receptor(pIgR)levels have been observed in both patients and mouse ***,there is a direct relationship between pIgR expression and transaminase levels in patients with *** this study,we aimed to explore how pIgR influences the secretion of regenerating islet-derived 3 beta(Reg3b)and the flora composition in AIH using in vivo experiments involving patients with AIH and a concanavalin A-induced mouse model of ***3b expression was reduced in pIgR gene(Pigr)-knockout mice compared to that in wild-type mice,leading to increased microbiota ***,exogenous pIgR supplementation increased Reg3b expression and maintained microbiota *** sequencing revealed the participation of the interleukin(IL)-17 signaling pathway in the regulation of Reg3b through ***,the introduction of external pIgR could not restore the imbalance in gut microbiota in AIH,and the decrease in Reg3b expression was not apparent following the inhibition of signal transducer and activator of transcription 3(STAT3).In this study,pIgR facilitated the upregulation of Reg3b via the STAT3 pathway,which plays a crucial role in preserving the balance of the intestinal microbiota in *** this research,we discovered new molecular targets that can be used for the diagnosis and treatment of AIH.

关键词： Autoimmune hepatitis Polymeric immunoglobulin receptor Regenerating islet-derived 3 beta Intestinal microbiota Signal transducer and activator of transcription 3

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