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Skin models of cutaneous toxicity,transdermal transport and wound repair

Burns & Trauma 2023年第1期11卷 393-407页

作者： Inês Vilela de Sousa Miguel J.S.Ferreira Luís B.Bebiano Sandra Simões ana filipa matos Rúben F.Pereira Pedro L.Granja i3S-Instituto de Investigação e Inovação em Saúde Universidade do PortoRua Dr.Manuel Pereira da Silva4200-393 PortoPortugal INEB-Instituto de Engenharia Biomédica Universidade do PortoRua do Campo Alegre8234150-180 PortoPortugal ICBAS-Instituto de Ciências Biomédicas Abel Salazar Universidade do PortoRua de Jorge Viterbo Ferreira 2284050-313 PortoPortugal FEUP-Faculdade de Engenharia da Universidade do Porto Rua Dr.Roberto Frias4200-465 PortoPortugal Department of Mechanical Aerospace and Civil EngineeringSchool of EngineeringFaculty of Science and Engineering&Henry Royce InstituteEngineering Building AThe University of ManchesterOxford RoadManchester M139PLUK ISEP-Instituto Superior de Engenharia do Porto Universidade do PortoRua Dr.António Bernardino de Almeida 4314200-072 PortoPortugal iMed.ULisboa Faculty of PharmacyUniversidade de LisboaAv.Prof.Gama Pinto1649-003 LisboaPortugal Faculty of Pharmacy Universidade de LisboaAv.Prof.Gama Pinto1649-003 LisboaPortugal

Skin is widely used as a drug delivery route due to its easy access and the possibility of using relatively painless methods for the administration of bioactive ***,the barrier properties of the skin,along with its multilayer structure,impose severe restrictions on drug transport and ***,bioengineered models aimed at emulating the skin have been developed not only for optimizing the transdermal transport of different drugs and testing the safety and toxicity of substances but also for understanding the biological processes behind skin *** though in vivo research is often preferred to study biological processes involving the skin,in vitro and ex vivo strategies have been gaining increasing relevance in recent ***,there is a noticeably increasing adoption of in vitro and ex vivo methods by internationally accepted ***,microfluidic organ-on-a-chip devices are nowadays emerging as valuable tools for functional and behavioural skin *** in miniaturization,automation and reliability still need to be addressed in order to create skin models that can predict skin behaviour in a robust,high-throughput manner,while being compliant with regulatory issues,standards and *** this review,skin models for transdermal transport,wound repair and cutaneous toxicity will be discussed with a focus on high-throughput *** microfluidic strategies driven by advancements in microfabrication technologies will also be revised as a way to improve the efficiency of existing models,both in terms of complexity and throughput.

关键词： Skin In vitro models Ex vivo models Transdermal transport assays Wound healing assays Toxicity assays Microfluidic chip Skin-on-a-chip

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Helicobacter pylori infection- recent developments in diagnosis

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World Journal of Gastroenterology 2014年第28期20卷 9299-9313页

作者： ana Isabel Lopes filipa F Vale Mónica Oleastro Centro Académico de Medicina de Lisboa Faculdade de Medicina da Universidade de Lisboa Centro de Patogénese Molecular Unidade dos Retrovírus e Infec??es AssociadasInstituto de Medicina Molecular e Instituto de Investiga??o do MedicamentoFaculdade de FarmáciaUniversidade de Lisboa Laboratório Nacional de Referência das Infe??es Gastrintestinais Departamento de Doen?as InfeciosasInstituto Nacional de Saúde Dr Ricardo Jorge

Considering the recommended indications for Helicobacter pylori(***)eradication therapy and the broad spectrum of available diagnostic methods,a reliable diagnosis is mandatory both before and after eradication *** highly accurate tests should be used in clinical practice,and the sensitivity and specificity of an adequate test should exceed 90%.The choice of tests should take into account clinical circumstances,the likelihood ratio of positive and negative tests,the cost-effectiveness of the testing strategy and the availability of the *** review concerns some of the most recent developments in diagnostic methods of *** infection,namely the contribution of novel endoscopic evaluation methodologies for the diagnosis of *** infection,such as magnifying endoscopy techniques and *** addition,the diagnostic contribution of histology and the urea breath test was explored recently in specific clinical settings and patient *** studies recommend enhancing the number of biopsy fragments for the rapid urease *** culture from the gastric biopsy is the gold standard technique,and is recommended for antibiotic susceptibility *** is used for initial screening and the stool antigen test is particularly used when the urea breath test is not available,while molecular methods have gained attention mostly for detecting antibiotic resistance.

关键词： Helicobacter pylori Diagnosis Endoscopy Histology Culture Urea breath test Stool antigen test Serology Molecular methods

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Giant cell arteritis: Current treatment and management

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World Journal of Clinical Cases 2015年第6期3卷 484-494页

作者： Cristina Ponte ana filipa Rodrigues Lorraine O'Neill Raashid Ahmed Luqmani Nuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences Botnar Research Centre University of Oxford Oxford OX1 2JD United Kingdom Department of Rheumatology Hospital de Santa Maria CHLN Lisbon Academic Medical Centre 1649-035 Lisbon Portugal Department of Internal Medicine Hospital das Caldas da Rainha Centro Hospitalar Oeste 2500-176 Caldas da Rainha Portugal Department of Rheumatology St Vincent’s University Hospital Dublin Ireland

Glucocorticoids remain the cornerstone of medicaltherapy in giant cell arteritis(GCA) and should be started immediately to prevent severe consequences of the disease, such as blindness. However, glucocorticoid therapy leads to significant toxicity in over 80% of the patients. Various steroid-sparing agents have been tried, but robust scientific evidence of their efficacy and safety is still lacking. Tocilizumab, a monoclonal IL-6 receptor blocker, has shown promising results in a number of case series and is now being tested in a multi-centre randomized controlled trial. Other targeted treatments, such as the use of abatacept, are also now under investigation in GCA. The need for surgical treatment is rare and should ideally be performed in a quiescent phase of the disease. Not all patients follow the same course, but there are no valid biomarkers to assess therapy response. Monitoring of disease progress still relies on assessing clinical features and measuring inflammatory markers(C-reactive protein and erythrocyte sedimentation rate). Imaging techniques(e.g., ultrasound) are clearly important screening tools for aortic aneurysms and assessing patients with largevessel involvement, but may also have an important role as biomarkers of disease activity over time or in response to therapy. Although GCA is the most common form of primary vasculitis, the optimal strategies for treatment and monitoring remain uncertain.

关键词： Giant cell arteritis Therapy Disease management Glucocorticoids Immunosuppressive agents

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Neuroinflammatory modulators of oligodendrogenesis

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Neuroimmunology and Neuroinflammation 2015年第1期2卷 263-273页

作者： ana Armada-Moreira filipa F.Ribeiro ana M.Sebastião Sara Xapelli Instituto de Farmacologia e Neurociências Faculdade de Medicina da Universidade de Lisboa1649-028 LisboaPortugal Instituto de Medicina Molecular Faculdade de Medicina da Universidade de Lisboa1649-028 LisboaPortugal

Oligodendrocytes are key neural cells that are responsible for producing myelin sheaths that wrap around neuronal axons in the central nervous *** is essential to insulate neurons and maintain a fast and saltatory propagation of action potentials along the ***,oligodendrocytes are very susceptible to damage,and thus demyelination may arise from a brain lesion or a neurodegenerative ***,demyelination produces a loss of axonal insulation leading to sensory or motor neuron *** adulthood,there are two main sources of oligodendrocytes:parenchymal oligodendrocyte precursor cells(OPCs)and subventricular zone derived *** this review,we will discuss oligodendrogenesis derived from these two sources,and also highlight their main extrinsic and intrinsic *** addition,the neuroinflammatory mediators of oligodendrogenesis will also be assessed.

关键词： Demyelination inflammation neural stem cells oligodendrocyte remyelination

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Adenosine A_(2A) receptors in neuronal outgrowth:a target for nerve regeneration?

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Neural Regeneration Research 2016年第5期11卷 706-708页

作者： filipa F.Ribeiro ana M.Sebastiao Instituto de Farmacologia e Neurociencias Faculdade de MedicinaUniversidade de LisboaLisbonPortugal Instituto de Medicina Molecular Faculdade de MedicinaUniversidade de LisboaLisbonPortugal

Axonal and dendritic outgrowth are fundamental processes in the development of the nervous *** this period neurons change their morphology from a simple bipolar shape into a mature complex *** develop dendrites and extend long or short axons that travel through a complex path until reaching target cells and form functional and accurate neuronal circuits.

关键词： receptors in neuronal outgrowth Adenosine A BDNF

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The neurosphere assay:an effective in vitro technique to study neural stem cells

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Neural Regeneration Research 2021年第11期16卷 2229-2231页

作者： Rita Soares filipa F.Ribeiro Diogo M.Lourenço Rui S.Rodrigues João B.Moreira ana M.Sebastião Vanessa A.Morais Sara Xapelli Instituto de Medicina Molecular João Lobo Antunes Faculdade de MedicinaUniversidade de LisboaLisboaPortugal Instituto de Farmacologia e Neurociências Faculdade de MedicinaUniversidade de LisboaLisboaPortugal Instituto de Biologia Molecular Faculdade de MedicinaUniversidade de LisboaLisboaPortugal

Neural stem cells(NSCs)are known to be present in the adult mammalian brain where they constitutively differentiate into the neuronal,astroglial,and oligodendroglial lineages,in defined processes termed neurogenesis,ast rogl iogenesis and oligodendrogenesis,respectively(reviewed in Braun and Jessberger,2014).During brain development,NSCs are present throughout the brain,becoming progressively restricted to defined brain *** the adult brain,NSCs are mainly present in areas classically known as neurogenic niches,*** subventricular zone(SVZ),along the lateral walls of the lateral ventricles,and the subgranular zone,located in the dentate gyrus(DG)of the hippocampus.

关键词： walls neural becoming

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Assessment and prediction of tablet properties using transmission and backscattering Raman spectroscopy and transmission NIR spectroscopy

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Asian Journal of Pharmaceutical Sciences 2016年第4期11卷 547-558页

作者： Elisabeth Peeters ana filipa Tavares da Silva Maunu Toiviainen Jeroen Van Renterghem Jurgen Vercruysse Mikko Juuti Joao Almeida Lopes Thomas De Beer Chris Vervaet Jean-Paul Remon Laboratory of Pharmaceutical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium Laboratory of Pharmaceutical Process analytical Technology Ghent UniversityOttergemsesteenweg 4609000GhentBelgium REQUIMTE Department of Chemical SciencesUniversity of PortoRua de Jorge Viterbo Ferreira2284050-313PortoPortugal VTT Technical Research Centre of Finland Optical Measurement TechnologiesKaitoväylä190570 OuluFinland

This study investigated whether Raman and Near Infrared(NIR) spectroscopy could predict tablet properties. Granules were produced on a continuous line by varying granulation parameters. Tableting process parameters were adjusted to obtain uniform tablet weight and thickness. Spectra were collected offline and tablet properties determined with traditional analyzing methods. Partial Least Squares(PLS) regression was used to correlate spectral information to tablet properties, but predictive models couldn’t be established. Principal component analysis(PCA) was effectively used to distinguish theophylline concentrations and hydration levels and multiple linear regression(MLR) analysis allowed insight on how granulation parameters affect granule and tablet properties.

关键词： Continuous production PAT Granulation Tableting NIR Raman

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Protected Areas, Subsistence Farming Systems and Nature Conservation

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Journal of Agricultural Science and Technology(A) 2012年第3期2卷 402-411页

作者： Luis Tiberio filipa Manso ana Marta-Costa Carlos Fonseca Aurora Monzon Department of Economics Sociology and Management University of Tr6s-os-Montes and Alto Douro Vila Real 5000-660 Portugal

The preservation of the traditional subsistence farming systems and the conservation of natural values （habitats, fauna and flora）, in articulation with local development, was the key issues in this paper. The farmers have been able to manage the systems so as to cope with adverse conditions, but their future is quite uncertain. The methodology included：（1） field observation visits and cartographic information analysis of land use; （2） structured interviews with animal production and agro-forestry specialists; and （3） meetings with the participation of stakeholders. The paper concludes that depopulation is responsible for the increasing decline of agriculture and livestock. The decrease in agricultural activity in general and the consequent practices and traditional systems of agriculture causes changes in the landscape and has negative effects on nature conservation and biodiversity. Thus, we believe that the preservation and development of traditional economic activities linked to agriculture, agro-forestry and food processing are essential to maintain the typical landscape and to preserve natural values of Montemuro Site. The paper shows that in mountain areas, particularly those classified as nature network sites, farming, economic development and nature conservation are not antagonistic objectives.

关键词： Farming systems protected areas nature conservation biodiversity local development.

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Progressive Multifocal Leukoencephalopathy—A Case Report in an Immunocompetent Patient

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Advances in Infectious Diseases 2018年第1期8卷 10-16页

作者： ana Faceira Daniela Magalhaes filipa Ceia Joao Nuak Carina Reis Susana Ferreira Internal Medicine Department Hospital de Sao JoaoPortoPortugal Faculdade de Medicina da Universidade do Porto PortoPortugal Endocrinology Diabetes and Metabolism DepartmentHospital de Sao JoaoPortoPortugal Instituto de Investigacao e Inovacao em Saude Universidade do PortoPortoPortugal Infectious Diseases Department Hospital de Sao JoaoPortoPortugal Neuroradiology Department Hospital de Sao JoaoPortoPortugal

Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease of the central nervous system due to the reactivation of the JC virus, which usually occurs in immunocompromised patients and is a major opportunistic infection associated with HIV infection. We report a case of a previously healthy patient who was diagnosed with PML.

关键词： Immunosuppression Immunocompetent JC Virus Progressive Multifocal Leukoencephalopathy

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Effectiveness of Mesotherapy on Temporomandibular Joint Disorders

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Journal of Physical Science and Application 2015年第4期5卷 249-254页

作者： Andre Pedro Oliveira Cruz ana filipa Rodrigues das Neves Isabel Ramires Manuel Mendonca Servico de Medicina Fisica e de Reabilitacao Hospital de S. Jose Centro Hospitalar de Lisboa Central Lisboa 1150-199 Portugal

TMJDs （Temporomandibular joint disorders） are a common pathology but best treatment remains unclear. The goal of this study was to evaluate the effectiveness of mesotherapy on TMJD. We conducted a case review of all TMJD patients treated since 2006 with mesotherapy procedures only and using a cocktail of drugs composing of lidocaine, piroxicam and pentoxifylline. Patients were treated every 15 days until symptomatic relief was achieved and thereafter every two months. Main outcome was complete symptomatic relief, and associated factors were analysed. 27 patients were included. Complete pain relief was achieved in 26. The necessary number of procedures to get pain relief ranged from 1 to 6 （median of 1） and the total number of treatments from 1 to 40 （median of 11）. 19 patients had other painful complains mainly related with anxiety disorders. A weak correlation （r = 0.357; p = 0.05） between anxiety disorders and the required months of treatments was found. Mesotherapy is a valuable option on pain relief in a temporomandibular pain syndrome with none of the systemic effects of oral medication. Anxiety may have a role on the aetiology and therapeutic success highlights the holistic approach of these patients. Future comparative studies are necessary.

关键词： TMJDs (Temporomandibular joint disorders) mesotherapy pain.

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