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cOVID-19 vaccination produces exercise-responsive SArS-coV-2 specific T-cells regardless of infection history

Journal of Sport and Health Science 2024年第1期13卷 99-107页

作者： Kyle A.Smith Tiffany M.Zúñiga Forrest L.Baker helena batatinha.c.arles r.pedlar Shane c.Burgess Michael P.Gustafson Emmanuel Katsanis richard J.Simpson School of Nutritional Sciences and Wellness The University of ArizonaTucsonAZ 85721USA Department of Pediatrics The University of ArizonaTucsonAZ 85724USA Faculty of Sport Allied Health and Performance ScienceSt.Mary's UniversityTwickenham TW14SXUK Institute of Sport Exercise and Health University College LondonLondon WC1E 7HUUK Department of Animal and comparative Biomedical Sciences The University of ArizonaTucsonAZ 85721USA The University of Arizona cancer center The University of ArizonaTucsonAZ 85719USA Laboratory Medicine and Pathology Mayo Clinic ArizonaPhoenixAZ 85054USA Department of Immunobiology The University of ArizonaTucsonAZ 85724USA Department of Medicine The University of ArizonaTucsonAZ 85724USA Department of Pathology The University of ArizonaTucsonAZ 85724USA

Background:The mobilization and redistribution of severe acute respiratory syndrome coronavirus 2(SArS-coV-2)specific T-cells and neutralizing antibodies(nAbs)during exercise is purported to increase immune surveillance and protect against severe coronavirus disease 2019(cOVID-19).We sought to determine if cOVID-19 vaccination would elicit exercise-responsive SArS-coV-2 T-cells and transiently alter nAb ***:Eighteen healthy participants completed a 20-min bout of graded cycling exercise before and/or after receiving a cOVID-19 *** major leukocyte subtypes were enumerated before,during,and after exercise by flow cytometry,and immune responses to SArS-coV-2 were determined using whole blood peptide stimulation assays,T-cell receptor(Tcr)-βsequencing,and SArS-coV-2 nAb ***:cOVID-19 vaccination had no effect on the mobilization or egress of major leukocyte subsets in response to intensity-controlled graded ***,non-infected participants had a significantly reduced mobilization of cD4+and cD8+naive T-cells,as well as cD4+central memory T-cells,after vaccination(synthetic immunity group);this was not seen after vaccination in those with prior SArS-coV-2 infection(hybrid immunity group).Acute exercise after vaccination robustly mobilized SArS-coV-2 specific T-cells to blood in an intensity-dependent *** groups mobilized T-cells that reacted to spike protein;however,only the hybrid immunity group mobilized T-cells that reacted to membrane and nucleocapsid *** increased significantly during exercise only in the hybrid immunity ***:These data indicate that acute exercise mobilizes SArS-coV-2 specific T-cells that recognize spike protein and increases the redistribution of nAbs in individuals with hybrid immunity.

关键词： Anti-viral cOVID-19 Exercise immunology SArS-coV-2 T-cells Vaccine

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Littoral landforms of Lake Hulun and Lake Buir(china and Mongolia):Wind-driven hydro-sedimentary dynamics and resulting clastics distribution

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Journal of Palaeogeography 2024年第2期13卷 309-326页

作者： Li Wang Mathieu Schuster Shi-Wei Xin Florin Zainescu Xin-Yu Xue Joep Storms Jan-Hendrik May Alexis Nutz helena van der Vegt Guilherme Bozetti Zai-Xing Jiang School of Energy resources China University of Geosciences(Beijing)Beijing100083China Universite de Strasbourg CNRSENGEESInstitut Terre et Environnement de StrasbourgUMR 70635 Rue DescartesStrasbourgFrance Tamsag Mongolia(XIX)Ltd. PetroChinaDaqing 163000China cErEGE Aix-Marseille UniversitéCNESIRDCollege de FranceINRAAix en ProvenceFrance School of Marine Science Sun Yat-sen UniversityZhuhai 519083China Delft University of Technology Department of Geoscience and EngineeringDelfthe Netherlands School of Geography Earth and Atmospheric SciencesUniversity of Melbourne253 Elgin St.CarltonVIC 3053Australia Deltares Delfthe Netherlands ScMF Faculty of GeographyUniversity of Bucharest1 N.Balcescu Blv.BucharestRomania

Two rectangular-shaped lakes,Lake Hulun and Lake Buir,located at the boundary between china and Mongolia,only c.75 km apart and therefore experiencing similar wind fields,have been studied based on satellite images and field surveys in order to compare their geomorphological and sedimentological *** wind-driven hydrodynamics,which have a significant effect on the development of littoral landforms and on sediment distribution,have been discussed for the two similar lakes that experienced a prevailing wind perpendicular to their long axis.A conceptual model related to wind-driven water bodies and sediment distribution is ***-influenced to wave-dominated deltas,beaches,spits,and eolian dune deposits develop around these two lakes,with a strikingly similar distribution *** features locally inform the longshore drift and help reconstruct the water circulation induced by wind *** the NW prevailing wind regime,the spits developed on the SW coast with a NW—SE extension,which was influenced by the NW—SE longshore *** same influence was observed in the delta extension in the NE *** differences lie in the presence of fan deltas in the NW region of Lake Hulun,but not in Lake ***,the width of the beach and eolian deposits on the downwind coast of Lake Hulun is three times greater than that of Lake Buir which were caused by the differences in sediment supply and wind fetch between the two *** Hulun and Lake Buir provide two reliable examples to understand the relationship among the wind field,provenance,hydrodynamics,landforms,and asymmetrical distribution of clastics in elongated *** also represent relevant modern analogs,which may also be of guiding significance to wind-driven sand body prediction in lacustrine basins.

关键词： Wind-driven lakes Fetch Sedimentary facies Hydrodynamics Geomorphology Spits Shoreline Lake Hulun Lake Buir

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cDc7 inhibition impairs neuroendocrine transformation in lung and prostate tumors through MYc degradation

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Signal Transduction and Targeted Therapy 2024年第8期9卷 3519-3532页

作者： Alvaro Quintanal-Villalonga Kenta Kawasaki Esther redin Fathema Uddin Swanand rakhade Vidushi Durani Amin Sabet Moniquetta Shafer Wouter r.Karthaus Samir Zaidi Yingqian A.Zhan Parvathy Manoj Harsha Sridhar Dennis Kinyua Hong Zhong Barbara P.Mello Metamia ciampricotti Umesh K.Bhanot Irina Linkov Juan Qiu radhika A.Patel colm Morrsey Sanjoy Mehta Jesse Barnes Michael c.Haffner Nichlas D.Socci richard P.Koche Elisa de Stanchina Sonia Molina-Pinelo Sohrab Salehi helena A.Yu Joseph M.chan charles M.rudin Department of Medicine Thoracic Oncology ServiceMemorial Sloan Kettering Cancer CenterNew YorkNYUSA cancer Biology and Genetics Program Sloan Kettering InstituteMemorial Sloan Kettering Cancer CenterNew YorkNYUSA Vagelos college of Physicians and Surgeons Columbia UniversityNew YorkNYUSA Weill cornell Graduate School of Medical Sciences Weill Cornell MedicineNew YorkNYUA Human Oncology and Pathogenesis Program Memorial Sloan Kettering Cancer CenterNew YorkNYUSA center for Epigenetics research Memorial Sloan Kettering Cancer CenterNew YorkNYUSA Pathology core Facilty Department of Pathology and Laboratory MedicineMSKCCNew YorkNYUSA Antitumor Assessment core Memorial Sloan Kettering Cancer CenterNew YorkNYUSA Divisionsof Human Biology and clinical research Fred Hutchinon Cancer CenterSeattleWAUSA Deparmentof Urology University of WashingtonSeattleWAUSA Gene Editing&Screening core Facility Memorial Sloan Kettering cancer center New YorkNYUSA Department of Laboratory Medicine and Pathology University of WashingtonSeattleWAUSA Bioinfomatics coreFacility Memorial Soan Kettering Cancer CenterNew YorkNYUSA Institute of Biomedicine of Seille(Bis) HURCSCUniversidad de SevillaSevilleSpain computational Oncology Department of Epidemiology and BiostatisticsMemorial Sloan Kettering Cancer CenterNew YorkNYUSA Well cornell Medical college New York NYUSA Present address:Swiss Institute for Experimental cancer research(ISrEc) School of Life SciencesEPFLLausanneSwitzerland

Neuroendocrine(NE)transformation is a mechanism of resistance to targeted therapy in lung and prostate adenocarcinomas leading to poor *** to date,even if patients at high risk of transformation can be identified by the occurrence of Tumor Protein P53(TP53)and retinoblastoma Transcriptional corepressor 1(rB1)mutations in their tumors,no therapeutic strategies are available to prevent or delay histological *** of the cell cycle kinase cell Division cycle 7(cDc7)occurred in tumors during the initial steps of NE transformation,already after TP53/rB1 co-inactivation,leading to induced sensitivity to the cDc7 inhibitor ***7 inhibition suppressed NE transdifferentiation and extended response to targeted therapy in in vivo models of NE transformation by inducing the proteasome-mediated degradation of the MYc Proto-Oncogen(MYc),implicated in stemness and histological *** overexpression of a degradation-resistant MYc isoform reestablished the NE transformation phenotype observed on targeted therapy,even in the presence of ***7 inhibition also markedly extended response to standard cytotoxics(cisplatin,irinotecan)in lung and prostate small cell carcinoma *** results nominate cDc7 inhibition as a therapeutic strategy to constrain lineage plasticity,as well as to effectively treat NE tumors de novo or after *** simurosertib clinical efficacy trials are ongoing,this concept could be readily translated for patients at risk oftransformation.

关键词： tumors markedly transformation

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The ULT1 and ULT2 trxG Genes Play Overlapping roles in Arabidopsis Development and Gene regulation

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Molecular Plant 2013年第5期6卷 1564-1579页

作者： Mona M. Monfared cristel c. caries Pascale rossignol helena r. Pires Jennifer c. Fletcher Plant Gene Expression center USDA-ARS/UC Berkeley 800 Buchanan Street. Albany CA 94710 USA Department of Plant and Microbial Biology University of California Berkeley 111 Koshland Hall Berkeley CA 94720 USA cNrS UMR5168 F-38054 Grenoble France Universite Grenoble Alpes UMR5168 F-38041 Grenoble France cEA iRTSV Laboratoire Physiologie Cellulaire et Vegetale F-38054 Grenoble France INrA F-38054 Grenoble France Department of Molecular Cellular and Developmental Biology Yale University New Haven CT 06520 USA Faculdade de ciencias da Universidade do Porto Porto Portugal

The epigenetic regulation of gene expression is critical for ensuring the proper deployment and stability of defined genome transcription programs at specific developmental stages. The cellular memory of stable gene expression states during animal and plant development is mediated by the opposing activities of Polycomb group （PcG） factors and trithorax group （trxG） factors. Yet, despite their importance, only a few trxG factors have been characterized in plants and their rotes in regulating plant development are poorly defined. In this work, we report that the closely related Arabidopsis trxG genes ULTrAPETALA1 （ULT1） and ULT2 have overlapping functions in regulating shoot and floral stem cell accumula- tion, with ULT1 playing a major role but ULT2 also making a minor contribution. The two genes also have a novel, redun- dant activity in establishing the apical-basal polarity axis of the gynoecium, indicating that they function in differentiating tissues. Like ULT1 proteins, ULT2 proteins have a dual nuclear and cytoplasmic localization, and the two proteins physically associate in planta. Finally, we demonstrate that ULT1 and ULT2 have very similar overexpression phenotypes and regulate a common set of key development target genes, including floral MADS-box genes and class I KNOX genes. Our results reveal that chromatin remodeling mediated by the ULT1 and ULT2 proteins is necessary to control the development of mer- istems and reproductive organs. They also suggest that, like their animal counterparts, plant trxG proteins may function in multi-protein complexes to up-regulate the expression of key stage- and tissue-specific developmental regulatory genes.

关键词： trxG factor epigenetics stem cells Arabidopsis polarity ULTrAPETALA.

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correlations among large igneous provinces related to the West Gondwana breakup:A geochemical database reappraisal of Early cretaceous plumbing systems

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Geoscience Frontiers 2023年第1期14卷 181-206页

作者： Antomat A.Macêdo Filho Maria helena B.M.Hollanda Stephen Fraser Alisson L.Oliveira Alanny c.c.Melo Alana r.Dantas Instituto de Geociências Universidade de São Paulo05508-080São PauloBrazil W.H.Bryan Mining&Geology research centre Sustainable Minerals InstituteThe University of QueenslandSt Lucia CampusQLD 4072Australia Programa de Pós-Graduação em Geodinamica e Geofisica Universidade Federal do Rio Grande do NorteCampus Universitário S/NLagoa Nova59078-970 NatalRNBrazil

The opening and spreading of the Atlantic Ocean between Africa and South America evolved during the Early cretaceous and were preceded by dramatic tholeiitic(mafic)magmatism and minor silicic and alkaline *** features are presently recognized from the equatorial regions of Brazil and Africa to the Falklands and South *** southeastern South America,continental flood basalts and related plumbing systems constitute the ParanáMagmatic Province(PMP),whose African counterpart is the Etendeka Magmatic Province(EMP).In northeastern Brazil,dike swarms and sill complexes compose the Equatorial Atlantic Magmatic Province(EQUAMP).As a common feature,these provinces are chemically represented by two prevalent magma types:(1)tholeiitic basalts and basaltic andesites with lowTi(TiO_(2)cluding transitional Ti tholeiites with TiO_(2)~2.7-1.7 wt.%,and low incompatible element *** type is predominantly found in the southern PMP and EMP,with minor occurrences in the EQUAMP.(2)Tholeiitic basalts and basaltic andesites with high Ti(TiO_(2)>~2 wt.%)and incompatible element *** Ti tholeiites are relevant in the northern PMP and EMP,and dominant in *** rocks(SiO_(2)=57-65 wt.%)interpreted as byproducts of assimilation and/or fractional crystallization(AFc)processes from high Ti tholeiitic magmas,are scarce(but present)in all three *** accurate analysis of multivariable databases collected from the literature for dikes and sills,including major and trace element and radiogenic isotope data,reveals close similarities in their geochemical *** a paleogeographic reconstruction of West Gondwana,the intrusive remnants of the PMP,EMP and EQUAMP are spread over an area of nearly 10×10^(6)km^(2).forming perhaps the most extensive set of plumbing systems on Earth,with a relatively consistent chronology based on a vast collection of K-Ar and^(40)Ar/^(39)Ar data available in the *** work provides the first c

关键词： LIP-related plumbing systems continental tholeiites Paraná-Etendeka EQUAMP Self-organizing maps

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A comparative study on emergent pollutants photo-assisted degradation using ruthenium modified titanate nanotubes and nanowires as catalysts

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Journal of Environmental Sciences 2020年第6期32卷 38-51页

作者： Beatriz Barrocas M.conceicao Oliveira helena I.S.Nogueira Sara Fateixa Olinda c.Monteiro centro de Química Estrutural Faculdade de CienciasUniversidade de LisboaLisboa 1749-016Portugal centro Química Estrutural Instituto Superior TécnicoUniversidade de LisboaLisboa 1049-001Portugal Department of chemistry CICECO-Aveiro Institute of MaterialsUniversity of AveiroAveiro 3810-193Portugal

Several methods have been used to tailor nanomaterials structure and ***,slight changes in the structure outcomes expressive improvements in the optical and photocatalytic properties of semiconductor *** this context,the influence of the metal doping and the morphology on a catalyst performance was studied in this ***,ruthenium doped titanate nanotubes(ruTNT)were synthesised for the first time using an amorphous ru-containing ***,the photocatalytic performance of this sample was compared to the one obtained for ruthenium titanate nanowires(ruTNW),recently *** samples,ruTNW and ruTNT,were produced using the same ru-containing precursor but distinct hydrothermal *** powders were structural,morphological and optical characterized by X-ray diffraction and fluorescence,transmission electron microscopy,raman,X-ray photoelectron and photoluminescence *** variations on the structural and optical properties of the ruTNT and ruTNW nanoparticles,due to ruthenium incorporation were *** potential use as photocatalysts was evaluated on the hydroxyl radical photo-assisted *** samples were catalytic for this reaction,presenting better performances than the pristine counterparts,being ruTNT the best ***,the degradation of two emergent pollutants,caffeine and sulfamethazine,was *** demonstrated to be better photocatalyst than ruTNW for caffeine but identical performances were obtained for *** both catalysts,the degradation mechanism of the pollutants was explored through the identification and quantification of the intermediate compounds produced and several differences were *** indicates the importance of the structural and morphological aspects of a material on its catalytic performance.

关键词： Titanate nanotubes and nanowires ruthenium doping ru-Ti replacement Emergent pollutants Photocatalytic degradation

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Energy efficiency in a water supply system:Energy consumption and cO_2 emission

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Water Science and Engineering 2010年第3期3卷 331-340页

作者： helena M.rAMOS Filipe VIEIrA Dídia I.c.cOVAS Department of civil Engineering ISTTechnical University of Lisbon cEHIDrO IST-DECivilLisbon 1049-001Portugal

This paper presents important fundamentals associated with water and energy efficiency and highlights the importance of using renewable energy sources. A model of multi-criteria optimization for energy efficiency based on water and environmental management policies, including the preservation of water resources and the control of water pressure and energy consumption through a hybrid energy solution, was developed and applied to a water supply system. The methodology developed includes three solutions：（1） the use of a water turbine in pipe systems where pressures are higher than necessary and pressure-reducing valves are installed, （2） the optimization of pumping operation according to the electricity tariff and water demand, and （3） the use of other renewable energy sources, including a wind turbine, to supply energy to the pumping station, with the remaining energy being sold to the national electric grid. The use of an integrated solution （water and energy-） proves to be a valuable input for creating benefits from available hydro energy in the water supply system in order to produce clean power, and the use of a wind source allows for the reduction of energy consumption in pumping stations, as well as of the cO2 emission to the atmosphere.

关键词： multi-criteria optimization energy efficiency water supply renewable energy sources cO2 emission

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Urban Park Soil and Vegetation: Effects of Natural and Anthropogenic Factors

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Pedosphere 2015年第3期25卷 392-404页

作者： Pariente SArAH helena Michaela ZHEVELEV Atar OZ Laboratory of Geomorphology and Soil Department of Geography and EnvironmentBar-Ilan University

Various soil surface components, such as trees, shrubs and biological crusts, and human recreational activities, e.g., barbecues and trampling by visitors, may divide the area of the urban park into smaller fragments/mieroenvironments, differentiated by their microenvironmental conditions, which may differ in soil and vegetation characteristics. The spatial changes in the soil and vegetation characteristics and their causes were investigated in an urban park located south of Tel Aviv-Jaffa, Israel. The area of the park is 0.5 km^2, including groves, a lake, lawns, and rest areas. Soil was sampled in nine microenvironments, of which seven were within the park： under ceratonia siliqua trees （csU）, under Ficus sycomorus trees （FLU）, rest area between tables under F. sycomorus （FIB）, rest area under tables under F. sycomorus （FIT）, open area with bare soil （OaS）, open area with biological crust cover （Oac）, and open area covered by herbaceous vegetation （OaV）. Two more microenvironments, planar and sloping open areas （coP and coS, respectively） in the vicinity of the park, were used as the controls. Electrical conductivity, concentrations of soluble ions （Mg^2＋, ca^2＋, Na^＋, K^＋ and HcO3）, pH, contents of organic carbon, calcium carbonate and moisture, and grain size distribution were determined. In addition, herbaceous vegetation cover, number and diversity of herbaceous vegetation species were measured. It was found that soil properties and herbaceous vegetation characteristics varied within the park. Soil organic carbon, electrical conductivity, soluble salts, penetration depth, and vegetation characteristics were affected by human activities, mainly in the rest area between the tables. In contrast, the above characteristics were affected by natural factors mainly in the rest of the microenvironments, which were subjected to low levels of anthropogenic intervention. The heterogeneous structure of the park, as represented by the various microenvironments, offered new

关键词： anthropogenic activity herbaceous vegetation microenvironment soil properties species diversity

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Degradation of duloxetine: Identification of transformation products by UHPLc-ESI(+)-HrMS/MS,in silico toxicity and wastewater analysis

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Journal of Environmental Sciences 2019年第8期31卷 113-123页

作者： rodrigo A.Osawa Ana P.carvalho Olinda c.Monteiro M.conceicao Oliveira M.helena Florêncio centro de Química e Bioquímica Faculdade de Ciências Universidade de Lisboa Laboratório de FTIcr e Espectrometria de Massa Estrutural Faculdade de Ciências Universidade de Lisboa centro de Química Estrutural Instituto Superior Técnico Universidade de Lisboa

Duloxetine(DUL), an antidepressant drug, has been detected in surface water and wastewater effluents, however, there is little information on the formation of its transformation products(TPs). In this work, hydrolysis, photodegradation(UV irradiation) and chlorination experiments were performed on spiked distillated water, under controlled experimental conditions to simulate abiotic processes that can occur in the environment and wastewater treatment plants(WWTPs). Eleven TPs, nine from reaction with UV light and two from chlorine contact, were formed and detected by ultra-high performance liquid chromatography coupled to quadrupole time-of-flight mass spectrometry, and nine of them had their chemical structures elucidated upon analyses of their fragmentation patterns in MS/MS spectra. The formation and degradation of the TPs were observed. The parent compound was completely degraded after30 min in photodegradation and after 24 hr in chlorination. Almost all TPs were completely degraded in the experiments. The ecotoxicity and mutagenicity of the TPs were predicted based on several in silico models and it was found that a few of these products presented more ecotoxicity than DUL itself and six TPs showed positive mutagenicity. Finally, wastewater samples were analyzed and DUL and one TP, possibly formed by chlorination process, were detected in the effluent, which showed that WWTP not only did not remove DUL, but also formed a TP.

关键词： High resolution mass spectrometry Duloxetine Degradation processes Transformation products Wastewater analysis In silico toxicity

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In Silico and in Vitro Analysis of Pyrazolone Derivatives against Zika Virus and Identification of Potential NS5 Methyltransferase Inhibitors by Molecular Docking

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Journal of Biosciences and Medicines 2024年第7期12卷 214-229页

作者： Luciene Soares Silva Tiago Soares Barbosa Maria Leonisa Sanchez-Nuñez Aldenise Mont Serrat rosa da Silva Vitor Won-Held rabelo Leonardo dos Santos corrêa Amorim Leonardo Alves Miceli Percilene Fazolin Vegi Alice Bernardino helena carla castro Izabel christina Nunes de Palmer Paixão Science and Biotechnology Graduate Program Department of Cellular and Molecular Biology Institute of Biology Fluminense Federal University Niteri Brazil Science and Biotechnology Graduate Program Department of Cellular and Molecular Biology Institute of Biology Fluminense Federal University Niterói Brazil Laboratory of Antibiotics Biochemistry Teaching and Molecular Modeling Institute of Biology Fluminense Federal University Niterói Brazil Laboratory of Organic chemistry at the Institute of chemistry Institute of Biology Fluminense Federal University Niterói Brazil

Zika virus (ZIKV), a mosquito-borne flavivirus, has been associated with benign infections for decades. However, it has become a public health concern due to its association with severe fetal and neurological complications. Although many efforts have been made to control ZIKV infection, approved vaccines or antiviral drugs are still lacking. consequently, the development of new effective anti-ZIKV agents is urgently needed. In this context, we investigated the antiviral potential of pyrazolone derivatives against ZIKV replication using in silico and in vitro methods. The four pyrazolone derivatives evaluated (1a, 1b, 1c, and 1d) inhibited over 50% of ZIKV replication with low cytotoxicity. Among them, compound 1b exhibited the most potent activity (Ec50 = 4.3 μM) and the highest selectivity (SI = 342). Mechanism of action studies indicated that these compounds act at early stages of virus replication, and compound 1b can also directly inactivate ZIKV particles. Molecular docking studies suggested that these compounds can bind to and block the activity of ZIKV NS5 methyltransferase. Finally, pharmacokinetic and toxicological predictions have reinforced the safety and drug-like profiles of these derivatives. In conclusion, the pyrazolone scaffold proved to be valuable for anti-ZIKV drug development, and the derivatives studied deserve further investigation.

关键词： Zika Pyrazolone NS5 Methyltransferase Antivirals

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