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Bioengineered materials with selective antimicrobial toxicity in biomedicine

Military Medical Research 2023年第6期10卷 798-817页

作者： Pooyan Makvandi Hao Song Cynthia K.Y.Yiu Rossella Sartorius Ehsan Nazarzadeh Zare Navid Rabiee Wei-Xi Wu ana cláudia paiva-santos Xiang-Dong Wang Cheng-Zhong Yu Franklin R.Tay The Quzhou Affiliated Hospital of Wenzhou Medical University Quzhou People’s HospitalQuzhou 324000ZhejiangChina Istituto Italiano di Tecnologia Centre for Materials InterfacesPontedera 56025Italy Australian Institute for Bioengineering and Nanotechnology The University of QueenslandBrisbaneQLD 4072Australia Paediatric Dentistry and Orthodontics Faculty of DentistryThe University of Hong KongPrince Philip Dental HospitalHong Kong SARChina Institute of Biochemistry and Cell Biology(IBBC) National Research Council(CNR)80131 NaplesItaly School of Chemistry Damghan UniversityDamghan 36716‑45667Iran School of Engineering Macquarie UniversitySydneyNSW 2109Australia Centre for Molecular Medicine and Innovative Therapeutics Murdoch UniversityPerthWA 6150Australia Department of Pharmaceutical Technology Faculty of Pharmacy of the University of CoimbraUniversity of Coimbra3000‑548 CoimbraPortugal REQUIMTE/LAQV Group of Pharmaceutical TechnologyFaculty of Pharmacy of the University of CoimbraUniversity of Coimbra3000‑548 CoimbraPortugal Department of Pulmonary and Critical Care Medicine Zhongshan HospitalFudan University Shanghai Medical CollegeShanghai 200032China School of Chemistry and Molecular Engineering East China Normal UniversityShanghai 200241China The Graduate School Augusta UniversityAugustaGA 30912USA

Fungi and bacteria afflict humans with innumerous pathogen-related infections and *** of the commonly employed microbicidal agents target commensal and pathogenic microorganisms without *** distinguish and fight the pathogenic species out of the microflora,novel antimicrobials have been developed that selectively target specific bacteria and *** cell wall features and antimicrobial mechanisms that these microorganisms involved in are highlighted in the present *** is followed by reviewing the design of antimicrobials that selectively combat a specific community of microbes including Gram-positive and Gram-negative bacterial strains as well as ***,recent advances in the antimicrobial immunomodulation strategy that enables treating microorganism infections with high specificity are *** basic tenets will enable the avid reader to design novel approaches and compounds for antibacterial and antifungal applications.

关键词： Antimicrobial nanotechnology Immumodualtion Selective toxicity Smart nanomaterials Targeting microorganism

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Bioengineered exosomal-membrane-camouflaged abiotic nanocarriers: neurodegenerative diseases, tissue engineering and regenerative medicine

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Military Medical Research 2023年第5期10卷 699-725页

作者： Daniela Lopes Joana Lopes Miguel Pereira-Silva Diana Peixoto Navid Rabiee Francisco Veiga Omid Moradi Zhan-Hu Guo Xiang-Dong Wang Joao Conde Pooyan Makvandi ana claudia paiva-santos Department of Pharmaceutical Technology Faculty of Pharmacy of the University of CoimbraUniversity of Coimbra3000-548 CoimbraPortugal REQUIMTE/LAQV Group of Pharmaceutical TechnologyFaculty of Pharmacy of the University of CoimbraUniversity of Coimbra3000-548 CoimbraPortugal School of Engineering Macquarie UniversitySydneyNsW 2109Australia Centre for Molecular Medicine and Innovative Therapeutics Murdoch UniversityPerthWA 6150Australia Department of Chemistry Shahr-e-Qods BranchIslamic Azad UniversityTehran 374-37515Iran lntegrated Composites Laboratory(icl) Department of Mechanical and Construction EngineeringNorthumbria UniversityNewcastle Upon Tyne NE18STUK Department of Pulmonary and Critical Care Medicine Zhongshan HospitalFudan University Shanghai Medical CollegeShanghai 200032China Faculdade de Ciencias Medicas NOVA Medical SchoolUniversidade Nova de Lisboa1169-056 LisbonPortugal Centre for Toxicogenomics and Human Health GeneticsOncology and Human ToxicologyFaculdade de Ciencias MedicasNOVA Medical SchoolUniversidade Nova de Lisboa1169-056 LisbonPortugal school of Engineering Institute for Bioengineeringthe University of EdinburghEdinburgh EH93JLUK.

A bio-inspired strategy has recently been developed for camouflaging nanocarriers with biomembranes,such as natural cell membranes or subcellular structure-derived *** strategy endows cloaked nanomaterials with improved interfacial properties,superior cell targeting,immune evasion potential,and prolonged duration of systemic ***,we summarize recent advances in the production and application of exosomal membrane-coated *** structure,properties,and manner in which exosomes communicate with cells are first *** is followed by a discussion of the types of exosomes and their fabrication *** then discuss the applications of biomimetic exosomes and membrane-cloaked nanocarriers in tissue engineering,regenerative medicine,imaging,and the treatment of neurodegenerative ***,we appraise the current challenges associated with the clinical translation of biomimetic exosomal membrane-surface-engineered nanovehicles and evaluate the future of this technology.

关键词： Biomimetic Cell membrane coating Exosome Exosomal-membrane-coated nanoparticle Extracellular vesicle(EV)

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Treatment of spinal cord injury with biomaterials and stem cell therapy in non-human primates and humans

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Neural Regeneration Research 2025年第2期20卷 343-353页

作者： ana Milena Silva Olaya Fernanda Martins Almeida ana Maria Blanco Martinez Suelen Adriani Marques PhD Program in Pathological anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Biomedical Science Institute Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological anatomy Federal University of Rio de JaneiroRio de JaneiroBrazil Graduate Program in Pathological anatomy(PPGAP/UFRJ) Department of Neurobiology/Institute of BiologyCampus do GragoatáNiteróiRio de JaneiroBrazil

Spinal cord injury results in the loss of sensory,motor,and autonomic functions,which almost always produces permanent physical ***,in the search for more effective treatments than those already applied for years,which are not entirely efficient,researches have been able to demonstrate the potential of biological strategies using biomaterials to tissue manufacturing through bioengineering and stem cell therapy as a neuroregenerative approach,seeking to promote neuronal recovery after spinal cord *** of these strategies has been developed and meticulously evaluated in several animal models with the aim of analyzing the potential of interventions for neuronal repair and,consequently,boosting functional *** the majority of experimental research has been conducted in rodents,there is increasing recognition of the importance,and need,of evaluating the safety and efficacy of these interventions in non-human primates before moving to clinical trials involving therapies potentially promising in *** article is a literature review from databases(PubMed,Science Direct,Elsevier,Scielo,Redalyc,Cochrane,and NCBI)from 10 years ago to date,using keywords(spinal cord injury,cell therapy,non-human primates,humans,and bioengineering in spinal cord injury).From 110 retrieved articles,after two selection rounds based on inclusion and exclusion criteria,21 articles were ***,this review arises from the need to recognize the experimental therapeutic advances applied in non-human primates and even humans,aimed at deepening these strategies and identifying the advantages and influence of the results on extrapolation for clinical applicability in humans.

关键词： bioengineering biomaterials cell therapy humans non-human primates spinal cord injury stem cell therapy

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Neutropenic Fever in Lung Cancer:clinical Aspects Related to Mortality and Antibiotic Failure

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中国肺癌杂志 2021年第11期24卷 764-769页

作者： Inês RODRIGUES Luísa NASCIMENTO ana cláudia PIMENTA Sara RAIMUNDO Bebiana CONDE ana FERNANDES Pulmonology Department Centro Hospitalar Trás-os-Montes e Alto DouroVila RealPortugal

Background and objectives:Lung cancer(LC)is the leading cause of cancer *** treated with chemotherapy are at risk of developing chemotherapy-induced febrile neutropenia(FN),a potentially life-threatening *** aims of this study were(1)to characterize FN admissions of patients with LC in a pulmonology department,and(2)to determine associations between patient profiles,first-line antibiotic failure(FLAF)and ***:Retrospective observational case-series,based on the analysis of medical records of LC patients that required hospitalization due to chemotherapy-induced ***:A total of 42 cases of FN were revised,corresponding to 36 patients,of which 86.1%were male,with a mean age of 66.71±9.83 *** patients had a performance status(PS)equal or less than 1,and metastatic disease was present in 40.5%(n=17).Respiratory tract infections accounted for 42.9%(n=18)of FN cases,and multidrug-resistant Staphylococcus aureus was the most isolated *** mortality rate was 16.7%(n=7),and the FLAF was 26.2%(n=11).Mortality was associated with a PS≥2(P=0.011),infection by a Gram-negative agent(P=0.001)and severe anemia(P=0.048).FLAF was associated with longer hospitalizations(P=0.020),PS≥2(P=0.049),respiratory infections(P=0.024),and infection by a Gram-negative(P=0.003)or multidrug-resistant agent(P=0.014).Conclusions:Lower PS,severe anemia,and infections by Gram-negative or multi-resistant agents seem to be associated with worse outcomes in FN patients.

关键词： Febrile neutropenia First-line antibiotic failure Lung neoplasms Mortality

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Intranasal delivery of nanostructured lipid carriers,solid lipid nanoparticles and nanoemulsions:A current overview of in vivo studies

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Acta Pharmaceutica Sinica B 2021年第4期11卷 925-940页

作者： cláudia Pina Costa Joao Nuno Moreira JoséManuel Sousa Lobo ana Catarina Silva UCIBIO/REQUIMTE MedtechLaboratory of Pharmaceutical TechnologyDepartment of Drug SciencesFaculty of PharmacyUniversity of PortoPorto 4050-313Portugal CNC-Center for Neuroscience and Cell Biology Center for Innovative Biomedicine and Biotechnology(CIBB)University of CoimbraFaculty of Medicine(Pólo I)Coimbra 3004-504Portugal UC-University of Coimbra CIBBFaculty of PharmacyPólo Das Ciências da SaúdeCoimbra 3000-548Portugal FP-ENAS(UFP Energy Environment and Health Research Unit)CEBIMED(Biomedical Research Centre)Faculty of Health SciencesUniversity Fernando PessoaPorto 4249-004Portugal

The management of the central nervous system(CNS)disorders is challenging,due to the need of drugs to cross the blood-brain barrier(BBB)and reach the *** the various strategies that have been studied to circumvent this challenge,the use of the intranasal route to transport drugs from the nose directly to the brain has been showing promising *** addition,the encapsulation of the drugs in lipid-based nanocarriers,such as solid lipid nanoparticles(SLNs),nanostructured lipid carriers(NLCs)or nanoemulsions(NEs),can improve nose-to-brain transport by increasing the bioavailability and site-specifc *** review provides the state-of-the-art of in vivo studies with lipid-based nanocarriers(SLNs,NLCs and NEs)for nose-to-brain *** on the literature available from the past two years,we present an insight into the different mechanisms that drugs can follow to reach the brain after intranasal *** results of pharmacokinetic and pharmacodynamics studies are reported and a critical analysis of the differences between the anatomy of the nasal cavity of the different animal species used in in vivo studies is carried *** the exact mechanism of drug transport from the nose to the brain is not fully understood and its effectiveness in humans is unclear,it appears that the intranasal route together with the use of NLCs,SLNs or NEs is advantageous for targeting drugs to the *** systems have been shown to be more effective for nose-to-brain delivery than other routes or formulations with non-encapsulated drugs,so they are expected to be approved by regulatory authorities in the coming years.

关键词： Nose-to-brain delivery Intranasal administration Nanostructured lipid carriers NLC Solid lipid nanoparticles SLN Nanoemulsions In vivo studies Pharmacokinetic Pharmacodynamics

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Impacts of PI3K/protein kinase B pathway activation in reactive astrocytes: from detrimental effects to protective functions

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Neural Regeneration Research 2025年第4期20卷 1031-1041页

作者： Ramón Pérez-Núñez María Fernanda González ana María Avalos Lisette Leyton Cellular Communication Laboratory Programa de Biología Celular y MolecularCenter for Studies on ExerciseMetabolism and Cancer(CEMC)Instituto de Ciencias Biomédicas(ICBM)Facultad de MedicinaUniversidad de ChileSantiagoChile Advanced Center for Chronic Diseases(ACCDiS) Faculty of Chemical and Pharmaceutical Sciences&Faculty of MedicineUniversidad de ChileSantiagoChile Instituto de Ciencias Biomédicas Facultad de Ciencias de la SaludUniversidad Autónoma de ChileSantiagoChile

Astrocytes are the most abundant type of glial cell in the central nervous *** injury and inflammation,astrocytes become reactive and undergo morphological and functional *** on their phenotypic classification as A1 or A2,reactive astrocytes contribute to both neurotoxic and neuroprotective responses,***,this binary classification does not fully capture the diversity of astrocyte responses observed across different diseases and *** analysis has revealed that reactive astrocytes have a complex landscape of gene expression profiles,which emphasizes the heterogeneous nature of their *** actively participate in regulating central nervous system inflammation by interacting with microglia and other cell types,releasing cytokines,and influencing the immune *** phosphoinositide 3-kinase(PI3K)/protein kinase B(AKT)signaling pathway is a central player in astrocyte reactivity and impacts various aspects of astrocyte behavior,as evidenced by in silico,in vitro,and in vivo *** astrocytes,inflammatory cues trigger a cascade of molecular events,where nuclear factor-κB serves as a central mediator of the pro-inflammatory ***,we review the heterogeneity of reactive astrocytes and the molecular mechanisms underlying their *** highlight the involvement of various signaling pathways that regulate astrocyte reactivity,including the PI3K/AKT/mammalian target of rapamycin(mTOR),αvβ3 integrin/PI3K/AKT/connexin 43,and Notch/PI3K/AKT *** targeting the inactivation of the PI3K/AKT cellular signaling pathway to control reactive astrocytes and prevent central nervous system damage,evidence suggests that activating this pathway could also yield beneficial *** dual function of the PI3K/AKT pathway underscores its complexity in astrocyte reactivity and brain function *** review emphasizes the importance of employing astrocyte-exclusive models to underst

关键词： inflammation integrins neuroprotective neurotoxic phosphatidylinositol 3-kinase reactive astrocytes signal transduction Thy-1(CD90)

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Fluorescent probes for the detection of reactive oxygen species in human spermatozoa

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Asian Journal of Andrology 2020年第5期22卷 465-471页

作者： Sara Escada-Rebelo Francisca G Mora ana P Sousa Teresa Almeida-santos Artur paiva Joao Ramalho-santos phD Programme in Experimental Biology and Biomedicine CNC-Center for Neuroscience and Cell BiologyUniversity of CoimbraCoimbra 3004-504Portugal Biology of Reproduction and Stem Cell Group CNC-Center for Neuroscience and Cell BiologyUniversity of CoimbraCoimbra 3004-504Portugal IIIUC-Institute for Interdisciplinary Research Casa Costa AlemaoUniversity of CoimbraCoimbra 3030-789Portugal Reproductive Medicine Unit University Hospitals of CoimbraCoimbra 3004-561Portugal Faculty of Medicine University of CoimbraCoimbra 3000-370Portugal clinical Pathology Unit University Hospitals of CoimbraCoimbra 3004-561Portugal Department of Life Sciences University of CoimbraCoimbra 3000-456Portugal

Reactive oxygen species(ROS)production is a by-product of mitochondrial activity and is necessary for the acquisition of the capacitated state,a requirement for functional ***,an increase in oxidative stress,due to an abnormal production of ROS,has been shown to be related to loss of sperm function,highlighting the importance of an accurate detection of sperm ROS,given the specific nature of this *** this work,we tested a variety of commercially available fluorescent probes to detect ROS and reactive nitrogen species(RNS)in human sperm,to define their *** both flow cytometry(FC)and fluorescence microscopy(FM),we confirmed that MitoSOX™Red and dihydroethidium(DHE)detect superoxide anion(as determined using antimycin A as a positive control),while DAF-2A detects reactive nitrogen species(namely,nitric oxide).For the first time,we also report that RedoxSensor™Red CC-1,CellROX®Orange Reagent,and MitoPYl seem to be mostly sensitive to hydrogen peroxide,but not ***,mean fluorescence intensity(and not percentage of labeled cells)is the main parameter that can be reproducibly monitored using this type of methodology.

关键词： flow cytometry fluorescent probes human spermatozoa oxidative stress reactive oxygen species

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Towards an integrated framework for the risk assessment of coastal structures exposed to earthquake and tsunami hazards

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Resilient Cities and Structures 2022年第2期1卷 57-75页

作者： cláudia Reis Mário Lopes Maria ana Baptista Stéphane clain Civil Engineering Research and Innovation for Sustainability CERISInstituto Superior TécnicoUniversidade de LisboaAvenida Rovisco Pais1Lisboa 1049-001Portugal Instituto Superior de Engenharia de Lisboa Instituto Politécnico de LisboaR.Conselheiro Navarro 1Lisboa 1959-007Portugal Departamento de Matemática Centro de FísicaUniversidade do MinhoCampus de GualtarBraga 4710-057Portugal

The spatial distribution of the world population is uneven,with a density of about 40%living in coastal *** trend is expected to continue in both demographic indicators and urban development rate,being many coastal cities in seismic-and tsunami-prone regions and built through informal and unplanned settlements,exposing their population and assets to such *** tectonic-triggered events raised awareness of the cascading earthquake and tsunami threat and highlighted the paucity of structural design criteria considering the cumulative effects of *** being exposed to the ground-motion,the structures’resistance may decrease and become residual/non-existent to support the incoming tsunami,implying an underestimation of the *** management can benefit from reinforcing the ties between natural hazards and engineering practitioners,linking science and industry,and promoting dialogue between risk analysts and *** by the expansion plans of an internationally-sized deep-water port located in a tsunami-prone region,a reflection on the work needed to perform a multi-risk assessment and the challenges yet to overcome is introduced to emphasize the challenge of combining safety requirements with financial and ecologic concerns.A conceptual interdisciplinarybased methodology is proposed to support uncertainty-aware,systematic and informed decisions.

关键词： Cascading earthquake and tsunami Multi-hazard Structural vulnerability to earthquake and derivative tsunami Performance-based engineering to cascading ground motion and tsunami

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Changes in social emotion recognition following traumatic frontal lobe injury

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Neural Regeneration Research 2012年第2期7卷 101-108页

作者： ana Teresa Martins Luis Faísca Francisco Esteves cláudia Simo Mariline Gomes Justo Angélica Muresan Alexandra Reis Department of Psychology University of Algarve Lisbon Universitary Institute

Changes in social and emotional behaviour have been consistently observed in patients with traumatic brain injury. These changes are associated with emotion recognition deficits which represent one of the major barriers to a successful familiar and social reintegration. In the present study, 32 patients with traumatic brain injury, involving the frontal lobe, and 41 age- and education-matched healthy controls were analyzed. A Go/No-Go task was designed, where each participant had to recognize faces representing three social emotions （arrogance, guilt and jealousy）. Results suggested that ability to recognize two social emotions （arrogance and jealousy） was significantly reduced in patients with traumatic brain injury, indicating frontal lesion can reduce emotion recognition ability. In addition, the analysis of the results for hemispheric lesion location （right, left or bilateral） suggested the bilateral lesion sub-group showed a lower accuracy on all social emotions.

关键词： traumatic brain injury facial emotion recognition social emotions

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Intermediality in the Contemporary Brazilian Literature

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比较文学与跨文化研究 2020年第1期 55-65页

作者： ana cláudia Munari Domingos Universidade de Santa Cruz do Sul

Literature adapts following the changes of its objects,as do all ***,while fictional characters and context can be said to have equivalents in people and society,the same cannot be said about the literature form *** with the advent of the internet,this transformations in literature seem more visible:it has become spread in the cloud,surpassing its boundaries and mixing with the profusion of voices of the ***,in addition to its theories about the intermedial phenomena,has become a methodology or even a pathway to understand *** paper presents part of an extensive analysis of a corpus formed by contemporary Brazilian literature,in order to describe different manifestations on how the"mediatized society"appears through the literature forms,from the Media Culture to today.

关键词： Contemporary Brazilian literature Intermediality Media Culture

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