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Immunosuppressive,antimicrobial and insecticidal activities of inhibitor cystine knot peptides produced by teratocytes of the endoparasitoid wasp Cotesia flavipes(Hymenoptera:Braconidae)

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Insect Science 2023年第4期30卷 1105-1117页

作者： Ciro P.G.Pinto andrew a.walker Glenn F.King Guilherme D.Rossi School of Agricultural and Veterinarian Sciences Sao Paulo State University(UNESP)JaboticabalBrazil Institute for Molecular Bioscience The University of QueenslandSt LuciaBrisbaneQueenslandAustralia Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science The University of QueenslandQueenslandSt LuciaAustralia

Teratocytes are specialized cells released by parasitoid wasps into their *** are known for producing regulatory molecules that aid the development of imma-ture *** have recently reported the primary structures of cystine-rich peptides,including some containing inhibitor cystine knot(ICK)motifs,produced by teratocytes of the parasitoid Cotesia flavipes(Hymenoptera:Braconidae).ICKs are known for their stability and diverse biological *** this study,we produced four putative ICK peptides from the teratocytes of *** using solid-phase peptide synthesis or recom-binant expression in ***,and investigated their functions on host immune modulation as well their potential to impair the development of two lepidopterans after ingestion of the *** addition,the peptides were assayed against pathogens and human *** peptides did not influence total hemocyte count but suppressed cellular immunity,detectable as a reduction of hemocyte encapsulation(CtICK-I,CftICK-II,CtICK-I)and spread indexes(CftICK-IV)in the *** of the peptides influenced the activi-ties of prophenoloxidase and phenoloxidase in the hemolymph of larval Diatraea sacchar-alis(Lepidoptera:Crambidae).CftICK-I and CftICK-II with previously unknown function showed antifungal activity against Candida albicans but were non-toxic to human ***-I,CftICK-II,and CftICK-II increased larval mortality and reduced leaf consump-tion of ***,a permissive host for *** CftICK-III also increased larval mortality and reduced leaf consumption of Spodoptera frugiperda(Lepidoptera:Noctuidae),a non-permissive host for *** study highlights biological func-tions and biotechnological potential of ICK peptides from the teratocytes of ***.

关键词： biocontrol encapsulation host regulation Hymenoptera parasitoid phe-noloxidase

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Soluble epoxide hydrolase:a next-generation drug target for Alzheimer's disease and related dementias

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Neural Regeneration Research 2025年第9期20卷 2585-2586页

作者： andrew Gregory Chengyun Tang Fan Fan Department of Physiology Medical College of GeorgiaAugusta UniversityAugustaGAUSA

Alzheimer's disease(AD)and Alzheimer's diseaserelated dementias(ADRD)represent a significant public health challenge,with projections indicating a substantial increase in affected individuals due to the aging global *** the World Health Organization,AD/ADRD has affected more than 55 million individuals worldwide,with an additional 10 million cases diagnosed each year.

关键词： Alzheimer population drug

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Human endogenous retrovirus type-W and multiple sclerosis–related smoldering neuroinflammation

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Neural Regeneration Research 2025年第3期20卷 813-814页

作者： Joel Gruchot Laura Reiche andrew Chan Robert Hoepner Patrick Küry Department of Neurology Medical Faculty and University Hospital DüsseldorfHeinrich Heine University DüsseldorfDüsseldorfGermany Department of Neurology InselspitalBern University Hospital and University of BernBernSwitzerland

Introduction to human endogenous retrovirus type-W(HERV-W): Genomic inheritance from the past includes retroviral sequences that have been stably incorporated into our genomes and account for up to 8% of human DNA.

关键词： endogenous inflammation Human

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Beyond first-line chemotherapy for advanced pancreatic cancer:An expanding array of therapeutic options?

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World Journal of Gastroenterology 2014年第9期20卷 2224-2236页

作者： Evan J walker andrew H Ko University of California Helen Diller Family Comprehensive Cancer Center San Francisco CA 94115 United States

While an increasing number of therapeutic options are now available for the first-line treatment of locally advanced or metastatic pancreatic cancer,the optimal choice for treatment in the second-line setting and beyond is less well defined.A variety of cytotoxic agents,either alone or in combination,have been evaluated,although primarily in the context of small single-arm or retrospective *** regimens have been associated with median progression-free survival rates in the range of 2-4 mo and overall survival rates between 4-8mo,highlighting the very poor prognosis of patients who are candidates for such *** therapies studied in this chemotherapy-refractory setting,meanwhile,have produced even worse efficacy *** the current article,we review the clinical evidence for treatment of refractory disease,primarily in patients who have progressed on front-line gemcitabine-based *** the process,we highlight the limitations of the available data to date as well as some of the challenges in designing appropriate clinical trials in this salvage setting,including how to select an appropriate control arm given the absence of a wellestablished reference standard,and the importance of incorporating predictive biomarkers and quality of life measures whenever possible into study design.

关键词： Pancreatic cancer Refractory Second-line chemotherapy Gemcitabine

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Genetic mapping and survey of powdery mildew resistance in the wild Central Asian ancestor of cultivated grapevines in Central Asia

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Horticulture Research 2020年第1期7卷 1444-1458页

作者： Summaira Riaz Cristina M.Menéndez Alan Tenscher Daniel Pap M.andrew walker Department of Viticulture and Enology University of CaliforniaDavisCA 95616USA Instituto de Ciencias de la Vid y del Vino(ICVV) Universidad de La Rioja-CSICGobierno de La RiojaCarretera de Burgos Km6Finca La GrajeraLogroñoLa Rioja 26007Spain

Cultivated grapevines(Vitis vinifera)lack resistance to powdery mildew(PM)with few *** to this pathogen within *** has been reported in earlier studies and identified as the Ren1 locus in two Central Asian table grape *** PM-resistant cultivated varieties and accessions of the wild ancestor *** *** were soon identified raising questions regarding the origin of the *** this study,F1 breeding populations were developed with a PM susceptible *** *** breeding line and a PM-resistant *** *** was carried out with five Ren1 locus linked SSR markers.A PM resistance locus explaining up to 96%of the phenotypic variation was identified in the same genomic position,where the Ren1 locus was previously *** SSR marker alleles linked with the resistance locus were *** report results of PM resistance in multiple accessions of *** collected as seed lots or cuttings from five countries in the Caucasus and Central Asia.A total of 20 females from 11 seed lots and 19 males from nine seed lots collected from Georgia,Armenia,and Azerbaijan were resistant to *** male and one female plant collected as cuttings from Afghanistan and Iran were also resistant to *** analysis of markers linked with the Ren1 locus in conjunction with disease evaluation data found a high diversity of allelic haplotypes,which are only possible via recombination events occurring over a long time *** analysis of two alleles of the SSR marker that cosegregates with the resistance found SNPs that were present in the wild progenitor and in cultivated *** levels of PM resistance among the tested accessions were also *** lines of evidence suggest that the powdery mildew fungus may have been present in Asia for a longer time than currently thought,giving the wild progenitor *** *** time to coevolve with and develo

关键词： breeding resistance Central

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Economies on the Edge

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英语学习 1998年第3期 10-11页

作者：梁燕 andrew walker

60年代和70年代台湾、韩国、香港和新加坡成为世界经济发展图象的耀眼"亮点群",被人们冠之以"亚洲四小龙"和"亚洲四小虎"等动听的称号。在过去的30年间,四小龙一直执世界经济增长之牛耳,年平均经济增长率高达8%以上,成为世界上经济增长... 详细信息

60年代和70年代台湾、韩国、香港和新加坡成为世界经济发展图象的耀眼"亮点群",被人们冠之以"亚洲四小龙"和"亚洲四小虎"等动听的称号。在过去的30年间,四小龙一直执世界经济增长之牛耳,年平均经济增长率高达8%以上,成为世界上经济增长最快的经济群体。然而,97亚洲的金融危机,尤其是泰国的金融动荡震撼着东南亚,致使此地区经济增长速度放缓,并给全世界带来巨大影响。这是否意味着亚洲四小龙们创造的经济奇迹就此结束?亚洲的金融麻烦会不会造成世界经济的下滑?

关键词：经济增长速度缩略形式亚洲四小龙国民生产总值

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Inflammasome links traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease

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Neural Regeneration Research 2025年第6期20卷 1644-1664页

作者： Gabriela Seplovich Yazan Bouchi Juan Pablo de Rivero Vaccari Jennifer C.Munoz Pareja andrew Reisner Laura Blackwell Yehia Mechref Kevin K.Wang J.Adrian Tyndall Binu Tharakan Firas Kobeissy Department of Surgery Morehouse School of MedicineAtlantaGAUSA Department of Neurobiology Center for NeurotraumaMultiomics&Biomarkers(CNMB)Neuroscience InstituteMorehouse School of MedicineAtlantaGAUSA Department of Neurological Surgery and the Miami Project to Cure Paralysis University of Miami Miller School of MedicineMiamiFLUSA Division of Pediatric Critical Care Department of PediatricsUniversity of Miami Miller School of MedicineMiamiFLUSA Department of Pediatrics Emory UniversityAtlantaGAUSA Department of Neurosurgery Children’s Healthcare of AtlantaAtlantaGAUSA Department of Chemistry and Biochemistry Texas Tech UniversityLubbockTXUSA Morehouse School of Medicine AtlantaGAUSA

Traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease are three distinct neurological disorders that share common pathophysiological mechanisms involving neuroinflammation. One sequela of neuroinflammation includes the pathologic hyperphosphorylation of tau protein, an endogenous microtubule-associated protein that protects the integrity of neuronal cytoskeletons. Tau hyperphosphorylation results in protein misfolding and subsequent accumulation of tau tangles forming neurotoxic aggregates. These misfolded proteins are characteristic of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease and can lead to downstream neuroinflammatory processes, including assembly and activation of the inflammasome complex. Inflammasomes refer to a family of multimeric protein units that, upon activation, release a cascade of signaling molecules resulting in caspase-induced cell death and inflammation mediated by the release of interleukin-1β cytokine. One specific inflammasome, the NOD-like receptor protein 3, has been proposed to be a key regulator of tau phosphorylation where it has been shown that prolonged NOD-like receptor protein 3 activation acts as a causal factor in pathological tau accumulation and spreading. This review begins by describing the epidemiology and pathophysiology of traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease. Next, we highlight neuroinflammation as an overriding theme and discuss the role of the NOD-like receptor protein 3 inflammasome in the formation of tau deposits and how such tauopathic entities spread throughout the brain. We then propose a novel framework linking traumatic brain injury, chronic traumatic encephalopathy, and Alzheimer's disease as inflammasomedependent pathologies that exist along a temporal continuum. Finally, we discuss potential therapeutic targets that may intercept this pathway and ultimately minimize long-term neurological decline.

关键词： Alzheimer's disease caspase-1 chronic traumatic encephalopathy inflammasomes neurodegeneration neuroinflammation NLRP1 NLRP3 pyroptosis tauopathy traumatic brain injury

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Phosphate Glass Fibre Composites for Bone Repair

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Journal of Bionic Engineering 2009年第4期6卷 318-323页

作者： andrew J.Parsons Ifty Ahmed Papia Haque Ben Fitzpatrick Muhammad I.K.Niazi Gavin S.walker Chris D.Rudd Division of Materials Mechanics & StructuresFaculty of EngineeringUniversity of NottinghamNottingham NG7 2RDUK

We investigate high-modulus degradable materials intended to replace metals in biomedical *** are typically composites comprising a polylactide(PLA)matrix reinforced with phosphate glass fibres,which provide reinforcement similar to E-glass but are entirely degradable in water to produce,principally,calcium *** have made composites using a variety of fibre architectures,from non-woven random mats to unidirectional fibre *** properties in the region of 30 GPa modulus and 350 MPa strength have been achieved-directly comparable to quoted values for human cortical *** collaboration with other groups we have begun to consider the development of foamed systems with structures mimicking cancellous bone and this has shown significant *** fibres in these foamed structures provide improved creep resistance and reinforcement of the pore *** date the materials have exhibited excellent cellular responses in vitro and further studies are due to include consideration of the surface character of the materials and the influence of this on cell interaction, both with the composites and the glass fibres themselves,which show promise as a standalone porous scaffold.

关键词： biocomposites phosphate glass PLA porous bone repair

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Structured matter creates toroidal structured light

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Light(Science & Applications) 2022年第9期11卷 1950-1951页

作者： andrew Forbes School of Physics University of the WitwatersrandJohannesburgSouth Africa

Nano-structured metasurfaces have to be tailored from artificial atoms that act as toroidal emitters,giving rise to a new form of light long predicted:"flying doughnuts"as propagating spatial-temporal electromagnetic ... 详细信息

关键词： visible matter artificial

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On the apparent line-of-sight alignment of the peak X-ray intensity of the magnetosheath and the tangent to the magnetopause,as viewed by SMILE-SXI

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Earth and Planetary Physics 2024年第1期8卷 155-172页

作者： andrew Read Department of Physics&Astronomy University of LeicesterLeicesterLE17RHUK

The Soft X-ray Imager(SXI)on board the Solar wind Magnetosphere Ionosphere Link Explorer(SMILE)spacecraft will be able to view the Earth’s magnetosheath in soft *** images of the X-ray emission visible from the position of SMILE are created for a range of solar wind densities by using 3 years of the SMILE mission orbit,together with models of the expected X-ray emissivity from the Earth’s *** from global magnetohydrodynamic simulations and a simple model for exospheric neutral densities are used to compare the locations of the lines of sight along which integrated soft X-ray intensities peak with the lines of sight lying tangent to surfaces(defined here to be the magnetopause)along which local soft X-ray intensities peak or exhibit their strongest gradients,or both,for strongly southward interplanetary magnetic field conditions when no depletion or low-latitude boundary layers are ***,in the parameter space of the various times and seasons,orbital phases,solar wind conditions,and magnetopause models,the alignment of the X-ray emission peak with the magnetopause tangent is good,or is not,is *** main results are as *** spacecraft needs to be positioned well outside the magnetopause;low-altitude times near perigee are not *** addition,there are seasonal aspects:dayside-apogee orbits are generally very good because the spacecraft travels out sunward at high altitude,but nightside-apogee orbits,behind the Earth,are bad because the spacecraft only rarely leaves the ***-apogee and dawnapogee orbits are ***-apogee orbits worsen slightly over the first three mission years,whereas nightside-apogee orbits improve ***,many more times of good agreement with the peak-to-tangent hypothesis occur when the solar wind is in a high-density state,as opposed to a low-density *** a high-density state,the magnetopause is compressed,and the spacecraft is more often a good d

关键词： X-rays magnetosphere magnetosheath magnetopause Solar wind Magnetosphere Ionosphere Link Explorer(SMILE) Earth solar wind charge exchange

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