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Integration of multiple flexible electrodes for realtime detection of barrier formation with spatial resolution in a gut-on-chip system

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Microsystems & Nanoengineering 2024年第1期10卷 105-114页

作者： Mara Lucchetti Gabriel Werr sofia Johansson Laurent Barbe Léa Grandmougin Paul Wilmes maria Tenje Luxembourg Centre for Systems Biomedicine(LCSB) University of LuxembourgEsch-sur-Alzette L-4362Luxembourg Division of Biomedical Engineering Department of Materials Science and EngineeringScience for Life LaboratoryUppsala University75121 UppsalaSweden Department of Life Sciences and Medicine Faculty of ScienceTechnology and MedicineUniversity of LuxembourgEsch-sur-Alzette L-4362Luxembourg

In healthy individuals,the intestinal epithelium forms a tight barrier to prevent gut bacteria from reaching blood *** study the effect of probiotics,dietary compounds and drugs on gut barrier formation and disruption,human gut epithelial and bacterial cells can be cocultured in an in vitro model called the human microbial crosstalk(HuMiX)gut-on-a-chip ***,we present the design,fabrication and integration of thin-film electrodes into the HuMiX platform to measure transepithelial electrical resistance(TEER)as a direct readout on barrier tightness in *** various aspects of the HuMiX platform have already been set in their design,such as multiple compressible layers,uneven surfaces and nontransparent materials,a novel fabrication method was developed whereby thin-film metal electrodes were first deposited on flexible substrates and sequentially integrated with the HuMiX system via a transfer-tape ***,to measure localized TEER along the cell culture chamber,we integrated multiple electrodes that were connected to an impedance analyzer via a *** further developed a dynamic normalization method because the active measurement area depends on the measured TEER *** fabrication process and system setup can be applicable to other barrier-on-chip *** a proof-of-concept,we measured the barrier formation of a cancerous Caco-2 cell line in real-time,which was mapped at four spatially separated positions along the HuMiX culture area.

关键词： barrier system multiple

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Is proliferative colonic disease presentation changing?

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World Journal of Gastroenterology 2012年第45期18卷 6614-6619页

作者： Vito D Corleto Cristiano Pagnini maria sofia cattaruzza Ermira Zykaj Emilio Di Giulio Giovanna Margagnoni Emanuela Pilozzi Giancarlo D'Ambra Antonietta Lamazza Enrico Fiori Mario Ferri Luigi Masoni Vincenzo Ziparo Bruno Annibale Gianfranco Delle Fave Department of Medical and Surgical Sciences and Translational Medicine Faculty of Medicine and PsychologySant'Andrea Hospital"Sapienza" University00189 RomeItaly Department of Public Health and Inf.Diseases Faculty of MedicinePoliclinico Umberto I"Sapienza" University00189 RomeItaly Department of Pathology Faculty of Medicine and PsychologySant'Andrea Hospital"Sapienza" University00189 RomeItaly Department of Surgery Faculty of MedicinePoliclinico Umberto I"Sapienza" University00189 RomeItaly

AIM:To compare the site,age and gender of cases of colorectal cancer(CRC) and polyps in a single referral center in Rome,Italy,during two ***:CRC data were collected from surgery/pathology registers,and polyp data from colonoscopy *** who met the criteria for familial adenomatous polyposis,hereditary non-polyposis colorectal cancer syndrome or inflammatory bowel disease were excluded from the *** of patients between the two groups(cancers and polyps) was carefully ***χ 2 statistical test and a regression analysis were ***:Data from a total of 768 patients(352 and 416 patients,respectively,in periods A and B) who underwent surgery for cancer were *** the same time periods,a total of 1693 polyps were analyzed from 978 patients with complete colonoscopies(428 polyps from 273 patients during period A and 1265 polyps from 705 patients during period B).A proximal shift in cancer occurred during the latter years for both sexes,but particularly in *** cancer increased > 3-fold in period B compared to period A in males [odds ratio(OR) 3.31,95%CI:2.00-5.47;P < 0.0001).A similar proximal shift was observed for polyps,particularly in males(OR 1.87,95%CI:1.23-2.87;P < 0.0038),but also in females(OR 1.62,95%CI:0.96-2.73;P < 0.07).CONCLUSION:The prevalence of proximal proliferative colonic lesions seems to have increased over the last decade,particularly in males.

关键词： Colorectal cancer Polyp Location Colo-noscopy Surgery

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Understanding intrarenal backflow: Intrarenal pressure during ureteroscopy and beyond

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Asian Journal of Urology 2024年第2期11卷 139-142页

作者： Palle J.S.Osther Susanne S.Osther maria P.Hesselholt sofia Byllov Søren K.Lildal Louise F.Øbro Helene Jung Urological Research Center Department of UrologyVejle Hospital(a part of Lillebaelt Hospital)University Hospital of Southern DenmarkVejleDenmark Department of Regional Health Research University of Southern DenmarkOdenseDenmark

The number of ureterorenoscopic procedures for upper urinary tract stone management has increased dramatically during recent years worldwide[1].Developments in flexible ureteroscope and laser technology have made it possible to successfully address larger and more complex stone scenarios *** the other hand,this means that more and more patients are exposed to the potential adverse effects of ureteroscopy[2].In general,ureteroscopy is considered a safe ***,serious complications and even deaths do occur,and these events are most likely underreported[3,4].

关键词： beyond likely ureter

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Exclusive breastfeeding greater than 50%, success of education in a university hospital in Bogotá: Case-control study

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World Journal of Clinical Pediatrics 2024年第1期13卷 23-30页

作者： Marcela Murillo Galvis sofia Ortegon Ochoa Clara Eugenia Plata García maria Paula Valderrama Junca Dayanna Alejandra Inga Ceballos Daniel Mauricio Mora Gómez Claudia M Granados Martin Rondón Department of Pediatrics Hospital Universitario San IgnacioBogotá110111Colombia Department of Clinical Epidemiology and Biostatistics Pontifica Universidad JaverianaBogotá110111Colombia

BACKGROUND Maintenance rates of exclusive breastfeeding(EBF)worldwide are low,thus,one of the objectives of the summary of policies on breastfeeding(BF)in world nutrition goals for 2025 are that at least 50%of infants under six months of age receive EBF that *** Objective of this study is to document the rates of EBF in children born in San Ignacio University Hospital(HUSI)and identify factors associated with *** To document the percentages of EBF in those that were born at HUSI and identify factors associated to their *** This is a study of cases and controls in an analytic,retrospective cohort that took children born alive between January 2016 and January 2019 at HUSI located in the city of Bogotá,*** Receiving information about BF at HUSI was able to maintain EBF up until 4 mo(OR=1.65;95%CI:1.02-2.66).The presence of gynecologic and obstetric comorbidities(OR=0.32;95%CI:0.12-0.83),having mastitis(OR=0.56;95%CI:0.33-0.94),and receiving information from mass media(OR=0.52;95%CI:0.31-0.84)are factors associated with not maintaining *** Receiving education at a Women-and Child-Friendly Institution was the only significant factor to achieve EBF until 4 mo,with a frequency greater than the one reported in the country,which matches multiple studies where counseling and individualized support on BF achieve this *** about BF and early detection of obstetric/gynecologic complications must be strengthened among the healthcare staff in charge of mothers during ***,strategies must be promoted to continue BF such as creating milk banks with the objective of increasing BF rates even when mothers return to work.

关键词： Breastfeeding Women-and Child-Friendly Institutional Strategy Strategies Adherence Education

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Prevalence of Helicobacter pylori infection among patients with esophageal carcinoma

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World Journal of Gastroenterology 2024年第29期30卷 3479-3487页

作者： Miriam López-Gómez maria Morales Rebeca Fuerte Marta Muñoz Pedro-David Delgado-López Jorge Francisco Gómez-Cerezo Enrique Casado Department of Medical Oncology Precision Oncology LaboratoryInfanta Sofía University HospitalSan Sebastián de los Reyes 28231MadridSpain Department of Medical Oncology Infanta Sofía University HospitalSan Sebastián de los Reyes 28702Spain Department of Internal Medicine Infanta Sofía University HospitalSan Sebastián de los Reyes 28703MadridSpain Department of Pathology Infanta Sofía University HospitalSan Sebastián de los Reyes 28702Spain Department of Neurosurgery Burgos University HospitalBurgos 09006Spain Department of Internal Medicine Infanta Sofía University Hospital and Henares University Hospital Foundation for Biomedical Research and InnovationSan Sebastian de los Reyes 28702MadridSpain Department of Medical Oncology Infanta Sofia University Hospital and Henares University Hospital Foundation for Biomedical Research and InnovationSan Sebastian de los Reyes 28702MadridSpain

BACKGROUND Helicobacter pylori(***)is a widespread microorganism related to gastric adenocarcinoma(AC).In contrast,it has been reported that an inverse association exists between *** infection and esophageal *** mechanisms underlying this supposedly protective effect remain *** To determine the prevalence of *** infection in esophageal carcinoma patients,we performed a retrospective observational study of esophageal tumors diagnosed in our *** We retrospectively reviewed the prevalence of *** infection in a cohort of patients diagnosed with esophageal *** or previous proton pump inhibitor(PPI)usage was also *** A total of 89 patients with esophageal carcinoma(69 males,77.5%),with a mean age of 66 years(range,26-93 years)were *** was the most frequent pathological variant(n=47,52.8%),followed by squamous cell carcinoma(n=37,41.6%).Fourteen ACs(29.8%)originated in the gastroesophageal junction and 33(70.2%)in the esophageal ***,54 patients(60.7%)presented at stages III and *** *** infection occurred only in 4 patients(4.5%),3 with AC(6.3%of all ACs)and 1 with squamous cell carcinoma(2.7%of all squamous cell tumors).All patients with previous *** infection had stage *** one patient had received prior *** eradication therapy,whereas 86(96.6%)had received previous or concomitant PPI *** In our cohort of patients,and after histologic evaluation of paraffin-embedded primary tumors,we found a very low prevalence of previous *** *** also reviewed the medical history of the patients,concluding that the majority had received or were on PPI *** minimal prevalence of *** infection found in this cohort of patients with esophageal carcinoma suggests a protective role.

关键词： Helicobacter pylori Eradication Esophageal tumor Dysbiosis Proton pump inhibitors Carcinogenesis Microbiota Incidence

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Genetic variation at the p53 locus of two ecologically divergent Microtus pine voles:identification of molecular markers for species assignment

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Integrative Zoology 2022年第6期17卷 1179-1192页

作者： Ana sofia QUINA João Paulo TAVANEZ maria da Luz MATHIAS CESAM-Centro de Estudos do Ambiente e do Mar Departamento de BiologiaUniversidade de AveiroAveiroPortugal CESAM-Centro de Estudos do Ambiente e do Mar Faculdade de CiênciasUniversidade de LisboaLisboaPortugal Departamento de Biologia Animal Faculdade de CiênciasUniversidade de LisboaLisboaPortugal Global Health and Tropical Medicine(GHTM) Instituto de Higiene e Medicina Tropical(IHMT)Universidade NOVA de Lisboa(UNL)Portugal

The Lusitanian(Microtus lusitanicus)and the Mediterranean(Microtus duodecimcostatus)pine voles are recently diverged sister species endemic of the Iberian Peninsula that can be identiﬁed with ecological and morphological characters,but in areas where the 2 species co-occur,species designation may be difﬁ*** discrimination between *** and *** has not been achieved yet possibly because of their estimated re-cent split and an evolutionary history that includes inter-species geneﬂ*** our previous observations on exons 5–7 of the p53 gene,here we analyze the potential use of the p53 genomic region as a discrimination marker of these species by extending our analyses to several kb upstream and downstream of the p53 gene and charac-terizing the degree of genetic differentiation in 7 markers within this ***,we fully sequenced the P53 protein of both *** observed:(i)generally high differentiation in this region;(ii)*** showed in general higher values of nucleotide and haplotype diversities;(iii)the concatenated phylogenetic tree separates the 2 species;(iv)the 2 P53 proteins only differ in 1 amino acid;(v)4 of the markers,2 in p53,one in Atp1b2,and another in Wrap53,contain species-speciﬁc genetic variation thus allowing a reliable discrimination between specimens from both species,irrespective of sampling location or introgression *** provide ad-ditional data on the putative role of p53 in the evolution of these species and present researchers with a fast and cost-effective resource for *** and *** identiﬁcation.

关键词： ecological stress genetic variation Microtus molecular marker p53

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Artificial intelligence as a tool in drug discovery and development

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World Journal of Experimental Medicine 2024年第3期14卷 11-19页

作者： maria Kokudeva Mincho Vichev Emilia Naseva Dimitrina Georgieva Miteva Tsvetelina Velikova Department of Pharmacology and Toxicology Faculty of PharmacyMedical University of SofiaSofia 1000Bulgaria Healthcare Solutions Sofia 1404Bulgaria Faculty of Public Health Medical University of SofiaSofia 1431Bulgaria Department of Genetics Faculty of BiologySofia University St.Kliment OhridskiSofia 1164Bulgaria Tsvetelina Velikova Medical FacultySofia University St.Kliment OhridskiSofia 1407Bulgaria

The rapidly advancing field of artificial intelligence(AI)has garnered substantial attention for its potential application in drug discovery and *** opinion review critically examined the feasibility and prospects of integrating AI as a transformative tool in the pharmaceutical ***,encompassing machine learning algorithms,deep learning,and data analytics,offers unprecedented opportunities to streamline and enhance various stages of drug *** opinion review delved into the current landscape of AI-driven approaches,discussing their utilization in target identification,lead optimization,and predictive modeling of pharmacokinetics and *** aimed to scrutinize the integration of large-scale omics data,electronic health records,and chemical informatics,highlighting the power of AI in uncovering novel therapeutic targets and accelerating drug repurposing *** the considerable potential of AI,the review also addressed inherent challenges,including data privacy concerns,interpretability of AI models,and the need for robust validation in realworld clinical ***,we explored ethical considerations surrounding AI-driven decision-making in drug *** opinion review provided a nuanced perspective on the transformative role of AI in drug discovery by discussing the existing literature and emerging trends,presenting critical insights and addressing potential *** conclusion,this study aimed to stimulate discourse within the scientific community and guide future endeavors to harness the full potential of AI in drug development.

关键词： Artificial intelligence Drug discovery Drug development Decision-making AI-driven medicine Healthcare Public health

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Awake laparoscopic cholecystectomy:A case report and review of literature

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World Journal of Clinical Cases 2023年第13期11卷 3002-3009页

作者： Chiara Mazzone maria sofia Iacopo Sarvà Giorgia Litrico Andrea maria Luca Di Stefano Gaetano La Greca Saverio Latteri Dipartimento di Scienze Mediche Chirurgiche e Tecnologie Avanzate"G.F.Ingrassia"Universitàdegli Studi di CataniaCatania 95123Italy

BACKGROUND Laparoscopic cholecystectomy(LC)is one of the most widely practiced surgical procedures in abdominal *** undergo LC during general anaesthesia;however,in recent years,several studies have suggested the ability to perform LC in patients who are *** report a case of awake LC and a literature *** SUMMARY A 69-year-old patient with severe pulmonary disease affected by cholelithiasis was scheduled for LC under regional *** first performed peridural anaesthesia at the T8-T9 level and then spinal anaesthesia at the T12-L1 *** procedure was managed in total comfort for both the patient and the *** intra-abdominal pressure was 8 *** patient remained stable throughout the procedure,and the postoperative course was *** Evidence has warranted the safe use of spinal and epidural anaesthesia,with minimal side effects easily managed with *** anaesthesia in selected patients may provide some advantages over general anaesthesia,such as no airway manipulation,maintenance of spontaneous breathing,effective postoperative analgesia,less nausea and vomiting,and early ***,this technique for LC is not widely used in Europe;this is the first case reported in Italy in the *** anaesthesia is feasible and safe in performing some types of laparoscopic *** studies should be carried out to introduce this type of anaesthesia in routine clinical practice.

关键词： Laparoscopic cholecystectomy Awake surgery Awake laparoscopy Gallstone disease Regional anaesthesia Spinal anesthesia Case report

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Urban heat mitigation by green and blue infrastructure:Drivers,effectiveness,and future needs

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The Innovation 2024年第2期5卷 145-166页

作者： Prashant Kumar Sisay E.Debele Soheila Khalili Christos H.Halios Jeetendra Sahani Nasrin Aghamohammadi maria de Fatima Andrade maria Athanassiadou Kamaldeep Bhui Nerea Calvillo Shi-Jie Cao Frederic Coulon Jill L.Edmondson David Fletcher Edmilson Dias de Freitas Hai Guo Matthew C.Hort Madhusudan Katti Thomas Rodding Kjeldsen Steffen Lehmann Giuliano Maselli Locosselli Shelagh K.Malham Lidia Morawska Rajan Parajuli Christopher D.F.Rogers Runming Yao Fang Wang Jannis Wenk Laurence Jones Global Centre for Clean Air Research(GCARE) School of SustainabilityCivil and Environmental EngineeringFaculty of Engineering and Physical SciencesUniversity of SurreyGuildford GU27XHUK Institute for Sustainability University of SurreyGuildford GU27XHSurreyUK School of Built Environment University of ReadingWhiteknightsReading RG66BUUK School Design and the Built Environment Curtin University Sustainability Policy InstituteKent StBentley 6102Western Australia Harry Butler Institute Murdoch UniversityMurdoch 6150Western Australia Atmospheric Sciences Department Institute of AstronomyGeophysics and Atmospheric SciencesUniversity of Sao PauloSao Paulo 05508-090Brazil Met Office FitzRoy RoadExeter EX13PBUK Department of Psychiatry and Nuffield Department of Primary Care Health Sciences Wadham CollegeUniversity of OxfordOxfordUK Centre for Interdisciplinary Methodologies University of WarwickWarwickUK School of Architecture Southeast University2 SipailouNanjing 210096China Cranfield University School of WaterEnvironment and EnergyCranfield MK430ALUK Plants PhotosynthesisSoil ClusterSchool of BiosciencesUniversity of SheffieldSheffield S102TNUK UK Centre for Ecology&Hydrology Environment Centre WalesDeiniol RoadBangor LL572UWUK Air Quality Studies Department of Civil and Environmental EngineeringThe Hong Kong Polytechnic UniversityHong KongChina Department of Forestry and Environmental Resources Faculty Excellence Program for Leadership in Public ScienceNorth Carolina State UniversityChancellorRaleighNC 27695USA Departments of Architecture&Civil Engineering and Chemical EngineeringUniversity of BathBath BA27AYUK School of Architecture University of NevadaLas VegasNV 89154USA Department of Tropical Ecosystems Functioning Center of Nuclear Energy in AgricultureUniversity of São PauloPiracicaba 13416-000Sao PauloBrazil School of Ocean Sciences Bangor UniversityMenai BridgeAnglesey LL595 ABUK International Laboratory for Air Quality and Health Science and Engine

The combination of urbanization and global warming leads to urban overheating and compounds the frequency and intensity of extreme heat events due to climate ***,the risk of urban overheating can be mitigated by urban green-blue-grey infrastructure(GBGI),such as parks,wetlands,and engineered greening,which have the potential to effectively reduce summer air *** many reviews,the evidence bases on quantified GBGI cooling benefits remains partial and the practical recommendations for implementation are *** systematic literature review synthesizes the evidence base for heat mitigation and related co-benefits,identifies knowledge gaps,and proposes recommendations for their implementation to maximize their *** screening 27,486 papers,202 were reviewed,based on 51 GBGI types categorized under 10 main *** GBGI(green walls,parks,street trees)have been well researched for their urban cooling ***,several other GBGI have received negligible(zoological garden,golf course,estuary)or minimal(private garden,allotment)*** most efficient air cooling was observed in botanical gardens(5.0±3.5℃),wetlands(4.9±3.2℃),green walls(4.1±4.2℃),street trees(3.8±3.1℃),and vegetated balconies(3.8±2.7℃).Under changing climate conditions(2070–2100)with consideration of RCP8.5,there is a shift in climate subtypes,either within the same climate zone(e.g.,Dfa to Dfb and Cfb to Cfa)or across other climate zones(e.g.,Dfb[continental warm-summer humid]to BSk[dry,cold semi-arid]and Cwa[temperate]to Am[tropical]).These shifts may result in lower efficiency for the current GBGI in the *** the importance of multiple services,it is crucial to balance their functionality,cooling performance,and other related co-benefits when planning for the future *** global GBGI heat mitigation inventory can assist policymakers and urban planners in prioritizing effective interventions to reduce the risk of urban overheating,fi

关键词： estuary walls extreme

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Occupational Burnout in Hospitals. A Population-Based Study among Health Professionals Working in Hellenic Red Cross Hospital

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Occupational Diseases and Environmental Medicine 2023年第4期11卷 213-227页

作者： Konstantinos G. Seretis maria-Theodora Papa Anastasia Tsakalaki Constantine N. Antonopoulos maria Kostorrizou maria Ompasi sofia Tzamtzidou Theofanis Papas Department of Vascular Surgery Hellenic Red Cross Hospital Athens Greece Law School University of Athens Athens Greece Institute of Educational Policy Ministry of Educational and Religious Affairs Athens Greece Department of Vascular Surgery Attikon University Hospital Athens Greece Department of Nursing Hellenic Red Cross Hospital Athens Greece

Occupational burnout, even though is a widespread subject of research, remains one of the factors that threaten the implementation and organizational structure of the provided health service. The aim of our study is to investigate the level of burnout among health professionals in Hellenic Red Cross Hospital, one of the biggest Public Hospitals in Athens, Greece. The study population included 116 health workers and was conducted in 2022. The present study, cross-sectional in nature, investigates burnout symptoms in the health-related professionals by measuring the three dimensions of burnout;emotional exhaustion, depersonalization and personal achievements. The overall findings show that people who provide health care services in hospitals are a vulnerable group to burnout syndrome. More specifically, it was found that emotional exhaustion moves at medium to high levels, as did depersonalization, while personal achievements are at moderate to low levels. The findings of the present study indicate that emphasis should be given to increasing the personal achievements of employees, which will in turn reduce emotional exhaustion and depersonalization. Perhaps a more detailed study on this topic could enlighten us about the causes and treatment of burnout syndrome in health professionals.

关键词： Burnout Mental Health Occupational Stress Healthcare Professionals

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