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Hepatitis C virus burden:Treating and educating people without prejudice

World Journal of Hepatology 2022年第7期14卷 1495-1503页

作者： Elettra Merola Elisa Menotti giovanna branz Andrea Michielan Sonia Seligmann Annora Ratti Flora Agugiaro Luisa Moser Giovanni Vettori Anna Franceschini William Mantovani Riccardo Pertile Giovanni de Pretis Cecilia Pravadelli Department of Gastroenterology Santa Chiara HospitalAzienda Provinciale Per I Servizi Sanitari(APSS)Trento 38122Italy Department of SerD Service for Drug AddictionAzienda Provinciale Per I Servizi Sanitari(APSS)Trento 38122Italy Department of Prevention Azienda Provinciale Per I Servizi Sanitari(APSS)Trento 38122Italy Department of Clinical and Evaluative Epidemiology Azienda Provinciale Per I Servizi Sanitari(APSS)Trento 38122Italy

Hepatitis C virus(HCV)infection has a worldwide incidence of 1.1%.In Italy,60%of people who inject drugs(PWIDs)and are receiving assistance for substance use disorder are infected with ***,this subset of patients has extremely limited access to care due to multiple factors,including alcohol abuse,psychological comorbidities,and homeless *** To describe the impact of our HCV-dedicated service for substance use disorder(SSUD)service on PWIDs receiving anti-HCV *** A dedicated,multidisciplinary team was set up at the SSUD of Trento in October 2020 to provide antiviral treatment to HCV RiboNucleic Acid-positive patients with an active or previous history of substance *** treatment was followed by a health education *** were treated with Direct-Acting Antivirals(DAAs).Data were retrospectively analyzed to assess the efficacy of our dedicated program in terms of therapy completion,HCV eradication,and compliance(primary endpoint).The rate of HCV reinfection and DAA-related toxicity were also assessed(secondary endpoints).RESULTS A total of 40 patients were enrolled in the study:28(70.0%)were treated with Sofosbuvir/Velpatasvir,while 12(30.0%)received Glecaprevir/*** the time of inclusion in the study,36 patients were receiving opioid agonist maintenance therapy,whilst another 4 had just finished the treatment.37.5%had a history of alcoholism and 42.5%received concomitant psychiatric *** 40 patients(100.0%)completed the therapy cycle and 92.5%of patients adhered to the *** patients tested negative for viral load at the end of the *** were no significant drug interactions with common psychiatric treatments and no side effects were *** sustained virological response was achieved in 92.5%of cases with good tolerability,although two patients discontinued treatment *** HCV eradication,one patient died from an overdose,another from complications of cirrhosis,and one rein

关键词： Hepatitis C virus Service for substance use disorder Direct-acting antivirals Sustained virologic response Compliance Tolerability

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Effects of excess high-normal alanine aminotransferase levels in relation to new-onset metabolic dysfunction-associated fatty liver disease:Clinical implications

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World Journal of Gastroenterology 2024年第27期30卷 3264-3267页

作者： giovanna McGinty Robert Przemioslo Department of Gastroenterology North Bristol TrustSouthmead HospitalBristol BS105NBUnited Kingdom Department of Gastroenterology and Hepatology North Bristol TrustSouthmead HospitalBristol BS105NBUnited Kingdom

In this editorial,we comment on the article by Chen et al recently published in *** focus the debate on whether reducing the upper limit of normal of alanine aminotransferase(ALT)would effectively identify cases of fibrosis in metabolic-dysfunction associated fatty liver disease(MAFLD).This is important given the increasing prevalence of MAFLD and obesity ***,a suitable screening test to identify patients in the general population does not exist and most patients are screened after the finding of an abnormal *** authors of this paper challenge the idea of what a normal ALT is and whether that threshold should be lowered,particularly as their study found that 83.12%of their study population with a diagnosis of MAFLD had a normal *** main advantages of screening would be to identify patients and provide intervention early,the mainstay of this being changing modifiable risk factors and monitoring for liver ***,there is not enough suitable therapeutic options available as of yet although this is likely to change in the coming years with more targets for therapy being *** is one example of this which has demonstrated benefit with an acceptable side effect profile for those patients with MAFLD and obesity,although studies have not yet shown a significant improvement in fibrosis *** would also require a huge amount of resource if a reduced ALT level alone was used as criteria;it is more likely that current scoring systems such as fibrosis-4 may be amended to represent this additional ***,there is not a good argument to recommend wide-spread screening with a reduced ALT level as this is unlikely to be *** is compounded by the fact that there is a significant heterogeneity in what is considered a normal ALT between *** studies previously have suggested a more pragmatic approach in screening those over the age of 60,this is likely to change with the increasing inc

关键词： Alanine aminotransferase Metabolic-dysfunction associated fatty liver disease Metabolic syndrome Fibrosis Cirrhosis Semaglutide

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Developing fertility control for rodents: a framework for researchers and practitioners

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Integrative Zoology 2024年第1期19卷 87-107页

作者： giovanna MASSEI Jens JACOB Lyn A.HINDS Botstiber Institute for Wildlife Fertility Control Department of Environment and GeographyUniversity of YorkHeslingtonYorkUK Rodent Research Institute for Epidemiology and Pathogen DiagnosticsJulius Kühn–Institute(JKI)Federal Research Institute for Cultivated PlantsMünsterGermany CSIRO Health and Biosecurity CanberraACTAustralia

Fertility control is often heralded as a humane and effective technique for management of overabundant wildlife,including *** intention is to reduce the use of lethal and inhumane methods,increase farm productivity and food security as well as reduce disease transmission,particularly of *** developed a framework to guide researchers and stakeholders planning to assess the effectiveness of a potential contraceptive agent for a particular *** guidelines describe the overarching research questions which must be sequentially addressed to ensure adequate data are collected so that a contraceptive can be registered for use in broad-scale rodent *** framework indicates that studies should be undertaken iteratively and,at times,in parallel,with initial research being conducted on(1)laboratory-based captive assessments of contraceptive effects in individuals;(2)simulation of contraceptive delivery using bait markers and/or surgical sterilization of different proportions of afield-based or enclosure population to determine how population dynamics are affected;(3)development of mathematical models which predict the outcomes of different fertility control scenarios;and(4)implementation of large-scale,replicated trials to validate contraceptive efficacy under various management-scalefield *** some circumstances,fertility control may be most effective when integrated with other methods(*** culling).Assessment of non-target effects,direct and indirect,and the environmental fate of the contraceptive must also be *** fertility control for a species is a resource-intensive commitment but will likely be less costly than the ongoing environmental and economic impacts by rodents and rodenticides in many contexts.

关键词： captive studies field applications modeling oral contraceptive delivery population management rodents

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Oxidative dissolution of Cr(OH)_(3) and mixed Fe-Cr(Ⅲ)phases by aqueous Mn(Ⅲ)-pyrophosphate complex

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Journal of Environmental Sciences 2024年第5期139卷 105-113页

作者： Mismel Ruiz-Garcia Jordan Stanberry giovanna Ballerini Ribeiro Vasileios Anagnostopoulos Department of Chemistry University of Central FloridaOrlando FL 32816USA

The key role of manganese(Mn)in the biogeochemical cycle of trace elements has been of great interest in recent ***,the redox properties of aqueous Mn(Ⅲ)have been studied to a lesser ***(Ⅲ)is not stable in solution by ***,when complexed with inorganic ligands,it has shown potential to oxidize and reduce trace *** the present study,we are exploring the redox characteristics of the complex Mn(Ⅲ)-Pyrophosphate(Mn(Ⅲ)-PP).This complex is stable over a wide range of pH values but requires the ratio of Mn:PP to be less than 1:***,the redox reaction of chromium(Cr(Ⅲ))and Mn(Ⅲ)-PP is investigated.A solid,Cr(OH)_(3),is used as a source of Cr(Ⅲ).For this reaction,environmentally relevant parameters,such as pH,ionic strength,ratio Mn(Ⅲ)/Cr(Ⅲ),and excess of ligand,were *** showed that Mn(Ⅲ)can effectively oxidize Cr(Ⅲ)to Cr(Ⅵ),taking about 15 days for the reaction to *** reaction occurs only under acidic conditions(pH4),and with a low excess of *** initial Mn(Ⅲ)concentration decreases as the Cr(Ⅵ)is produced,and Cr(Ⅵ)can be adsorbed back into the Cr(OH)_(3)surface,limiting the mobility of this toxic *** this adsorption,significant amounts of Cr(VI)are release in the aqueous *** study shows the importance of a mobile species(Mn-PP complex)in the oxidation of Cr(Ⅲ)and the release of Cr(Ⅵ)to the environment.

关键词： Chromium Manganese Pyrophosphate complex Sorption Ionic strength Redox

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Statistical analysis of physico-mechanical parameters of sandstones occurring in orogenic settings

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Journal of Mountain Science 2024年第4期21卷 1388-1402页

作者： PAPPALARDO giovanna CARBONE Serafina MONACO Carmelo ZOCCO Giordana MINEO Simone Dipartimento Di Scienze Biologiche Geologiche E AmbientaliUniversitàDegli Studi Di CataniaCorso Italia 5795129 CataniaItaly

In northeastern Sicily(Italy),sandstone rock masses widely crop out as cover deposits over crystalline terrains belonging to the orogenic *** being part of the same geological formation,these sandstones are characterized by highly different features in terms of texture and physico-mechanical *** poses a scientific question on the possibility of tracing these rocks to a single statistical model,which could be representative of their main engineering geological ***,it is worth investigating on the possible reasons of such differences,that should be searched either in the current geographical sandstone distribution or in the rock *** this study,sandstone samples were collected from different sites and were analyzed at both the hand and thin section *** sandstone types were recognized,characterized by a different ***,the laboratory characterization allowed estimating their main physico-mechanical and ultrasonic properties,such as porosity,density,mechanical strength,deformability,and ultrasonic *** rock mechanical strength proved linked to the rock compactness and to the presence of lithic fragments,while pores and a pseudo-matrix between grains represent weakening *** data were also statistically analyzed by grouping the specimens according to a geographical criterion,with respect to their sampling area,but no link was found between location and rock ***,with the aim of achieving mathematical laws that could be used to predict some rock properties from others,useful for practical purposes when dealing with such a high property variability,single and multiple regression analyses were carried *** show that the Uniaxial Compressive Strength,porosity,and P-wave velocity are the best predictors for a quick,indirect estimation of the main physico-mechanical *** methodological approach developed for this research can be taken as reference to study other world

关键词： Sandstone Laboratory test Uniaxial Compressive Strength Porosity Rocks

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Chestnut tannin:New use,research and bioeconomy

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Journal of Bioresources and Bioproducts 2024年第3期9卷 246-252页

作者： Rosaria Ciriminna Francesco Meneguzzo giovanna Li Petri Cosimo Meneguzzo Giuseppe Angellotti Mario Pagliaro Istituto per lo Studio dei Materiali Nanostrutturati CNRvia U.La Malfa 15390146 PalermoItaly Istituto per la Bioeconomia CNRvia Madonna del Piano 1050019 Sesto Fiorentino(FI)Italy HyRes Srl via Salvator Rosa 1882100 BeneventoItaly

Chestnut tannin,extracted from the bark or wood of chestnut trees,possesses unique properties that make it valuable in various *** serves as a natural source of tannins,which are widely used in the production of leather,textiles,and wood *** research continues to explore its potential applications,chestnut tannin remains a promising resource with diverse industrial *** new use,research and bioeconomy aspects,this study provides a unified perspective on chestnut *** advanced applications will likely emerge shortly.

关键词： Tannin Chestnut Bioeconomy Tannin market Hydrolysable tannin

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Antifouling Properties of Electrospun Polymeric Coatings Induced by Controlled Surface Morphology

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Energy & Environmental Materials 2024年第6期7卷 409-419页

作者： Fabio L.Favrin Lorenzo Zavagna Matteo Sestini Semih Esin Bahareh Azimi Massimiliano Labardi Mario Milazzo Giuseppe Gallone giovanna Batoni Serena Danti Department of Civil and Industrial Engineering University of PisaLargo Lucio Lazzarino 256122PisaItaly Department of Translational Research and New Technologies in Medicine and Surgery University of Pisavia San Zeno 35-3956123PisaItaly Institute for Chemical and Physical Processes(IPCF) National Research Council(CNR)Pisa Research AreaVia Moruzzi 156124PisaItaly Department of Civil and Environmental Engineering Massachusetts Institute of Technology(MIT)Massachusetts Ave.77CambridgeMassachusetts 02139USA

Nosocomial infections affect implanted medical devices and greatly challenge their functional outcomes,becoming sometimes life threatening for the ***,aggressive antibiotic therapies are administered,which often require the use of last-resort drugs,if the infection is caused by multi-drug-resistant *** the risk of bacterial contamination of medical devices in the hospitals has thus become an emerging *** routes to control these infections are based on materials provided with intrinsic bactericidal properties(i.e.,chemical action)and on the design of surface coatings able to limit bacteria adhesion and fouling phenomena(i.e.,physical action),thus preventing bacterial biofilm ***,we report the development and validation of coatings made of layer-by-layer deposition of electrospun poly(vinylidene fluoride-co-trifluoro ethylene)P(VDF-TrFE)fibers with controlled orientations,which ultimately gave rise to antifouling *** obtained 10-layer surface morphology with 90°orientation fibers was able to efficiently prevent the adhesion of bacteria,by establishing a superhydrophobic-like behavior compatible with the Cassie-Baxter ***,the results highlighted that surface wettability and bacteria adhesion could be controlled using fibers with diameter comparable to bacteria size(i.e.,achievable via electrospinning process),by tuning the intra-fiber spacing,with relevant implications in the future design of biomedical surface coatings.

关键词： additive manufacturing Escherichia coli fibers Poly(vinylidene fluoride-cotrifluoro ethylene)P(VDF-TrFE) Pseudomonas aeruginosa superhydrophobic

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Therapeutic targeting of cellular prion protein: toward the development of dual mechanism anti-prion compounds

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Neural Regeneration Research 2025年第4期20卷 1009-1014页

作者： Antonio Masone Chiara Zucchelli Enrico Caruso giovanna Musco Roberto Chiesa Laboratory of Prion Neurobiology Department of NeuroscienceIstituto di Ricerche Farmacologiche Mario Negri IRCCSMilanItaly Biomolecular NMR Unit Division of Genetics and Cell BiologyIRCCS Ospedale San RaffaeleMilanItaly Department of Biotechnology and Life Sciences University of InsubriaVareseItaly

PrPSc,a misfolded,aggregation-prone isoform of the cellular prion protein(PrPC),is the infectious prion agent responsible for fatal neurodegenerative diseases of humans and other *** adopt different pathogenic conformations(prion strains),which can be resistant to potential drugs,or acquire drug resistance,posing challenges for the development of effective *** PrPCis the obligate precursor of any prion strain and serves as the mediator of prion neurotoxicity,it represents an attractive therapeutic target fo r prion *** this minireview,we briefly outline the approaches to target PrPCand discuss our recent identification of Zn(Ⅱ)-Bn PyP,a PrPC-targeting porphyrin with an unprecedented bimodal mechanism of *** argue that in-depth understanding of the molecular mechanism by which Zn(Ⅱ)-Bn PyP targets PrPCmay lead toward the development of a new class of dual mechanism anti-prion compounds.

关键词： anti-prion drug anti-PrPC antibody antisense oligonucleotide neurodegeneration pharmacological chaperone porphyrin prion disease PrPC degrader PrPC shedding zinc finger repressor

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May ChatGPT be a tool producing medical information for common inflammatory bowel disease patients’questions?An evidencecontrolled analysis

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World Journal of Gastroenterology 2024年第1期30卷 17-33页

作者： Antonietta Gerarda Gravina Raffaele Pellegrino Marina Cipullo giovanna Palladino Giuseppe Imperio Andrea Ventura Salvatore Auletta Paola Ciamarra Alessandro Federico Division of Hepatogastroenterology Department of Precision MedicineUniversity of Campania Luigi VanvitelliNaples 80138Italy

Artificial intelligence is increasingly entering everyday *** language model(LLM)systems such as Chat Generative Pre-trained Transformer(ChatGPT)have become potentially accessible to everyone,including patients with inflammatory bowel diseases(IBD).However,significant ethical issues and pitfalls exist in innovative LLM *** hype generated by such systems may lead to unweighted patient trust in these ***,it is necessary to understand whether LLMs(trendy ones,such as ChatGPT)can produce plausible medical information(MI)for *** review examined ChatGPT’s potential to provide MI regarding questions commonly addressed by patients with IBD to their *** the review of the outputs provided by ChatGPT,this tool showed some attractive potential while having significant limitations in updating and detailing information and providing inaccurate information in some *** studies and refinement of the ChatGPT,possibly aligning the outputs with the leading medical evidence provided by reliable databases,are needed.

关键词： Crohn’s disease Ulcerative colitis Inflammatory bowel disease Chat Generative Pre-trained Transformer Large language model Artificial intelligence

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Vallisneria spiralis L. adaptive capacity improves pore water chemistry and increasespotential nitrification in organic polluted sediments

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Ecological Processes 2024年第2期 72-89页

作者： Leonardo Morini Claudio Ferrari Marco Bartoli Mindaugas Zilius Elias Broman giovanna Visioli Department of Chemistry Life Science and Environmental Sustainability University of Parma Department of Environmental and Prevention Sciences University of Ferrara Department of Integrative Marine Ecology (EMI) Genoa Marine Centre Stazione Zoologica Anton Dohrn-National Institute of Marine BiologyEcology and Biotechnology Marine Research Institute Klaipeda University Department of Ecology Environment and Plant Sciences Stockholm University Baltic Sea Centre Stockholm University

Background Macrophytes may modify benthic biodiversity and biogeochemistry via radial oxygen loss from roots. This condition contrasts sediments anoxia, allows roots respiration, and facilitates aerobic microbial communities and processes in the rhizosphere. Simultaneously, the rhizosphere can stimulate anaerobic microorganisms and processes via exudates or by favoring the build-up of electron acceptors as nitrate. As eutrophication often results in organic enrichment in sediments and large internal nutrients recycling, an interesting research question is to investigate whether plants maintain the capacity to stimulate aerobic or anaerobic microbial communities and processes also under elevated organic *** A manipulative experiment was carried out under laboratory-controlled conditions. Microcosms containing bare sediments and sediments transplanted with the macrophyte Vallisneria spiralis L. were created. The effect of the plant was investigated on sediments with moderate(8%) and elevated(21%) organic matter content, after an acclimatization period of 30 days. Chemical and physical parameters, microbial community composition and the potential rates of nitrification, denitrification and nitrate ammonification were measured at two different depths(0–1 and 1–5 cm) after the acclimatization period to evaluate the role of *** Vallisneria spiralis grew and assimilated pore water nutrients at the two organic matter levels and vegetated sediments had always nutrient-depleted porewaters as compared to bare sediments. Nitrifying microbes had a lower relative abundance and diversity compared to denitrifying bacteria. However, regardless of the organic content, in vegetated sediments nitrifiers were detected in deeper horizons as compared to bare sediments, where nitrification was confined near the surface. In contrast, potential denitrification rates were not affected by the presence of roots, but probably regulated by the presence of nitrate and by ro

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