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Genome analyses of Weissella strains isolated from Campos das Vertentes, Minas Gerais, Brazil revealed new bacteriocins with a large spectrum of activity

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Food Bioscience 2023年第2期52卷 616-621页

作者： camila goncalves teixeira Rafaela da Silva Rodrigues Anca Lucau-Danila Luis Augusto Nero Antonio Fernandes de Carvalho Djamel Drider InovaLeite-Laboratorio de Pesquisa em Leite e Derivados Departamento de Tecnologia de AlimentosUniversidade Federal de VicosaVicosa36570900MGBrazil Unite Mixte de Recherche(UMR)Transfrontaliere BioEcoAgro1158 Univ.LilleINRAEUniv.LiegeUPJVYNCREAUniv.ArtoisUniv.Littoral Cote D’OpaleICV-Institut Charles Viollette59000LilleFrance InsPOA-Laboratorio de Inspecao de Produtos de Origem Animal Departamento de VeterinariaUniversidade Federal de ViçosaVicosa36570900MGBrazil

This work aimed at characterizing the Weissella cibaria strains isolated from Campos das Vertentes,Minas Gerais,Brazil and their antimicrobial ***,three strains of ***(W21,W25 and W42)were previously selected,and the genomes of W21 and W42 were sequenced,while that of strain W25 was already sequenced and ***,we investigated the presence of genes coding for potential secondary metabolites in the genomes of the strains using the AntiSmash webtool,and located a common region coding for a putative bacteriocin identified as Bacteriocin_***,we assessed in vitro this antimicrobial activity using the supernatant of these *** to the data,the strain W21,which has one transport-related gene missing from the bacteriocin operon compared to W25 and W42,likewise showed no differences in the in vitro antimicrobial test when comparing the outcomes of the three treatments(supernatant without treatment,neutralized and treated with proteinase K).Also,we compared the nucleotides and amino acids of this putative bacteriocin in the NCBI platform and there was no similarity with other so far described bacteriocin from the genus *** conclusion,two of the three Weissella strains tested in this work have the potential to produce a new bacteriocin not yet described which needs to be deeply characterized and proposed for food protection as alternatives to chemicals in foods.

关键词： Weissella cibaria Bacteriocins Antimicrobial activity

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Mitochondrial phylogeography of the Iberian endemic frog Rana iberica,with implications for its conservation

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Current Zoology 2018年第6期64卷 755-764页

作者： Jose teixeira Helena goncalves Nuno FERRAND Mario GARCIA-PARiS Ernesto RECUERO Centro Interdisciplinar de Investigacao Marinha e Ambiental (CIIMAR) Terminal de Cruzeiros do Porto de LeixoesMatosinhos 4450-208Portugal Centro de Investigacao em Biodiversidade e Recursos Geneticos (CIBIO-InBIO) Universidade do PortoRua Padre Armando QuintasVairao 4485-661Portugal Museu de Historia Natural e da Cieneia da Universidade do Porto (MHNC-UP) Praca Gomes TeixeiraPorto 4099-002Portugal Departamento de Biologia Faculdade de Ciencias da Universidade do PortoPorto 4099-002Portugal Museo Nacional de Ciencias Naturales (MNCN-CSIC) Calle de Jose Gutierrez Abascal2Madrid 28006Spain

Genetic characterization of species using phylogeographic approaches represents a basic reference to understand their evolutionary history as well as to identify conservation priorities to protect areas of particular interest regarding evolutionary *** in well-studied regions such information is lacking for the majority of species,including many endemic species with reduced distribution *** investigate the phylogeographic pattern of the Iberian frog Rana iberica,an endemic amphibian restricted to Central and North-Western Iberian *** mitochondrial sequences,we reconstruct the phylogeographic history of the species to test the effect of Quaternary climate changes on the evolutionary diversification of lineages,that is,the differentiation of mitochondrial lineages and the formation of genetic diversity melting pots,and integrate phylogeographic evidence for future conservation *** results indicate the existence of 3 main mitochondrial lineages differentiated during the Upper *** historical demographic analyses and climatic niche modeling show a strong effect of glacial climate changes,suggesting recurrent range contractions and *** such circumstances,differentiation took place most likely by isolation in allopatric interglacial *** lineage admixture in northern Portugal generated a broad mixed zone with highest nucleotide *** its particular evolutionary potential,its reduced distribution and eventual threats under current climate change scenario,conservation priorities should focus on the isolated lineage from Sierra de Guadalupe.

关键词： climate niche modeling conservation demography glacial refugia phylogeegraphy Amphibia

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Morphological and kinetic parameters of the absorption of nitrogen forms for selection of Eucalyptus clones

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Journal of Forestry Research 2021年第4期32卷 1599-1611页

作者： Matheus Severo de Souza Kulmann Betania Vahl de Paula Paula Beatriz Sete Wagner Squizani Arruda Gabriel Alberto Sans camila Peligrinotti Tarouco Luciane Almari Tabaldi Fernando teixeira Nicoloso Gustavo Brunetto Soil Science Department Federal University of Santa MariaSanta MariaRS 97105-900Brazil Federal University of Santa Catarina Admar Gonzaga Highway1346FlorianópolisSC 88034-001Brazil Biology Department Natural and Exact Sciences CenterFederal University of Santa MariaSanta MariaRS 97105-900Brazil

Eucalyptus clones are selected according to productivity,wood quality,rooting capacity,and resistance to drought,frost and ***,kinetic and morphological parameters that determine the absorption efficiency of nutrients such as nitrate(NO_(3)^(-)) and ammonium(NH_(4)^(+))are often not considered in breeding *** objective of this study was to evaluate the morphological,physiological and kinetic parameters of nitrogen uptake by clones of Eucalyptus saligna(32,864) and Eucalyptus grandis(GPC23).Morphological parameters in shoot and root systems,biomass and N concentrations in different organs,photosynthetic pigment concentrations,parameters of chlorophyll a fluorescence and photosynthetic rates were *** parameters,maximum absorption velocity(V_(max)),Michaelis-Menten constant(K_(m)),minimum concentration(C_(min)) and influx(I) were calculated for NO_(3)^(-)and NH_(4)^(+) in the two *** clone was more efficient in the uptake of NO_(3)^(-)and NH_(4)^(+),and showed lower K_(m) and C_(min)values,allowing for the absorption of nitrogen at low concentrations due to the high affinity of the absorption sites of clone roots to NO_(3)^(-)and NH_(4)^(+).Higher root lengths,area and volume helped the *** clone in absorption efficiency and consequently,resulted in higher root and shoot *** *** clone had higher K_(m) and Cmin for NO_(3)^(-)and NH_(4)^(+),indicating adaptation to environments with higher N *** results of NO_(3)^(-)and NH_(4)^(+) kinetic parameters indicate that they can be used in Eucalyptus clone selection and breeding programs as they can predict the ability of clones to absorb NO_(3)^(-)and NH_(4)^(+) at different concentrations.

关键词： Ammonium and nitrate Eucalyptus saligna Eucalyptus grandis Root system architecture Nitrogen influx Maximum absorption velocity(V_(max)) Michaelis–Menten constant(K_(m)) Minimum concentration(C_(min))

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In vitro differentiation capacity of human breastmilk stem cells:A systematic review

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World Journal of Stem Cells 2019年第11期11卷 1005-1019页

作者： camila Maria Ribeiro Pacheco Priscila Elias Ferreira Claudia Sayuri Sacaki Luana Alves Tannous Idiberto Jose Zotarelli-Filho Luiz Cesar Guarita-Souza Katherine Athayde teixeira de Carvalho Cell Therapy and Biotechnology in Regenerative Medicine Department Pele Pequeno Príncipe InstituteChild and Adolescent Health Research and Pequeno Príncipe FacultyCuritiba 80.240-020ParanáBrazil PUCPR-Institute of Biological and Health Sciences CCBSCuritiba 80.215-901ParanáBrazil Post Graduate and Continuing Education(Unipos) Department of Scientific ProductionSao Jose do Rio Preto 15.020-040Sao PauloBrazil

BACKGROUND Mesenchymal stem cells are pluripotent cells that have the ability to generate cells from a cell line or in other cell types from different tissues but from the same *** those cells have more limited differentiation capacity than embryonic stem cells,they are easily obtained from somatic tissue and can be grown in large *** characteristic of undifferentiated stem cells differentiating into different cell lines arouses strategies in regenerative medicine for the treatment of different diseases such as neurodegenerative *** To evaluate the cell differentiation capacity of human breastmilk stem cells for the three germ layers by a systematic *** The searched databases were PubMed,EMBASE,OVID,and COCHRANE LIBRARY,published between 2007 and 2018 in the English *** were in vitro studies for analysis of the"cell differentiation potential"in the literature using the keywords“human breastmilk,”“stem cells,”and keywords combined with the Boolean operator“NOT”were used to exclude those articles that had the word“CANCER”and their respective synonyms,which were previously consulted according to medical subject heading *** 2009 guidelines were followed in this *** A total of 315 titles and abstracts of articles were *** these,21 were in common with more than one database,leaving 294 articles for *** that total,five publications met the inclusion *** analyzing the publications,it was demonstrated that human breastmilk stem cells have a high cellular plasticity,exhibiting the ability to generate cells of all three germ layers,endoderm,mesoderm,and ectoderm,demonstrating their *** cells expressed the genes,TRA-1-60/81,octamer-binding transcription factor 4,and NANOG,of which NANOG,a critical regulator for self-renewal and maintenance,was the most highly *** cells have the ability to differentiate in vitro into adipocytes,chondrocytes,osteocytes,oligod

关键词： Human breastmilk Stem cells Cell differentiation Pluripotency Stemness

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Pain inhibition through transplantation of fetal neuronal progenitors into the injured spinal cord in rats

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Neural Regeneration Research 2019年第11期14卷 2011-2019页

作者： Chary M. Batista Eric D. Mariano camila S. Dale Alexandre F. Cristante Luiz R. Britto Jose P. Otoch Manoel J. teixeira Matthias Morgalla Guilherme Lepski Department of Neurology School of MedicineUniversity of Sao PauloSao PauloBrazil Department of Anatomy Institute of Biomedical ScienceUniversity of Sao PauloSao PauloBrazil Department of Orthopedic and Traumatology School of MedicineUniversity of Sao PauloSao PauloBrazil Department of Physiology and Biophysics Institute of Biomedical ScienceUniversity of Sao PauloSao PauloBrazil Department of Surgery School of MedicineUniversity of Sao PauloSao PauloBrazil Department of Neurosurgery Eberhard-Karls UniversityTuebingenGermany Department of Psychiatry School of MedicineUniversity of Sao PauloSao PauloBrazil

Neuropathic pain after spinal cord injury(SCI) is a complex condition that responds poorly to usual treatments. Cell transplantation represents a promising therapy;nevertheless, the ideal cell type in terms of neurogenic potential and effectiveness against pain remains largely controversial. Here, we evaluated the ability of fetal neural stem cells(fNSC) to relieve chronic pain and, secondarily, their effects on motor recovery. Adult Wistar rats with traumatic SCI were treated, 10 days after injury, with intra-spinal injections of culture medium(sham) or fNSCs extracted from telencephalic vesicles(TV group) or the ventral medulla(VM group) of E/14 embryos. Sensory(von Frey filaments and hot plate) and motor(the Basso, Beattie,Bresnahan locomotor rating scale and inclined plane test) assessments were performed during 8 weeks. Thereafter, spinal cords were processed for immunofluorescence and transplanted cells were quantified by stereology. The results showed improvement of thermal hyperalgesia in the TV and VM groups at 4 and 5 weeks after transplantation, respectively. Moreover, mechanical allodynia improved in both the TV and VM groups at 8 weeks. No significant motor recovery was observed in the TV or VM groups compared with sham. Stereological analyses showed that ~70% of TV and VM cells differentiated into NeuN+ neurons,with a high proportion of enkephalinergic and GABAergic cells in the TV group and enkephalinergic and serotoninergic cells in the VM group. Our study suggests that neuronal precursors from TV and VM, once implanted into the injured spinal cord, maturate into different neuronal subtypes, mainly GABAergic, serotoninergic, and enkephalinergic, and all subtypes alleviate pain, despite no significant motor recovery. The study was approved by the Animal Ethics Committee of the Medical School of the University of S?o Paulo(protocol number 033/14) on March 4, 2016.

关键词： spinal cord injuries chronic pain neural stem cells cell transplantation neuronal differentiation GABAergic neuron serotoninergic neuron enkephalinergic neuron

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Whole body vibration and auriculotherapy improve handgrip strength in individuals with knee osteoarthritis

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Journal of Traditional Chinese Medicine 2019年第5期39卷 707-715页

作者： Eloa Moreira-Marconi Carla F Dionello Danielle S Morel Danubia C Sa-Caputo Cintia R Sousa-goncalves Laisa L Paineiras-Domingos Ygor teixeira-Silva Mario Jose dos Santos Pereira Mario Bernardo-Filho Postgraduate Program in Clinical and Experimental Physiopathology University of the State of Rio de JaneiroRio de JaneiroRJBrazil Department of Biophysics and Biometrics Laboratory of Mechanical Vibrations and Integrative Practices-LAVIMPIInstitute of Biology Roberto Alcantara GomesRio de Janeiro State UniversityRio de JaneiroRJBrazil Postgraduate Program in Medical Sciences Rio de Janeiro State UniversityRio de JaneiroRJBrazil Danubia C Sa-Caputo Faculdade Bezerra de AraujoRio de JaneiroBrazilCentro Universitario Serra dos OrgaosTeresopolisRio de JaneiroBrasil Universidade do Estado do Rio de Janeiro Rio de JaneiroRJBrazil-Department of Biophysics and BiometricsInstitute of Biology Roberto Alcantara Gomes-Department of Physiological Sciences

OBJECTIVE: To verify the action of non-pharmacological interventions, whole body vibration exercise (WBVE) and auriculotherapy (AT) on the management of knee osteoarthritis (KOA) analyzing the handgrip strength (HS). METHODS: One hundred twelve participants with KOA were allocated in (a) WBVE group with peak-to-peak displacement of 2.5 to 7.5 mm, frequency from 5 up to 14 Hz, acceleration peak from 0.12 up to 2.95 g (2 d/weekly for 5 weeks),(b) AT group, points of both ears (Kidney, Knee-correspondent point and Shenmen) were stimulated with seeds,(c) WBVE + AT group and (d) respective control groups. HS was assessed in all the participants, in acute and cumulative responses. RESULTS: The intervention with WBVE alone and combined with AT improved (P < 0.05), in a cumulative response, the HS. CONCLUSION: WBVE alone or combined with AT might promote biological effects that interfere with the HS in individuals with KOA.

关键词： Osteoarthritis,knee Exercise therapy Physical and rehabilitation medicine Auriculotherapy Muscle strength dynamometer

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Land Use/Cover and Naturalness Changes for Watershed Environmental Management(Southeastern Brazil)

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Journal of Geoscience and Environment Protection 2017年第11期5卷 1-14页

作者： Romulo Theodoro Costa camila Francisco goncalves Angela Terumi Fushita José Eduardo dos Santos Analysis and Environmental Planning Laboratory Universidade Federal de Sao Carlos(UFSCar)Sao CarlosBrazil Programa de Pós-Graduacao em Ecologia e Recursos Naturais(PPGERN) Universidade Federal de Sao Carlos(UFSCar)Sao CarlosBrazil Center for Engineering Modeling and Applied Social SciencesUniversidade Federal do ABC(UFABC)Santo AndréBrazil

Driving forces on the landscape require regional management and/or local actions, together with other external factors. To operationalize this approach, this paper carried out a comparative analysis of the naturalness dynamics of the Jacaré-Guaçu and Jacaré-Pepira watershed, based on land use/cover changes and a structural indicator of the landscape, over the 10-year (2004-2014), as support opportunities for improving its environmental planning and management. Land use/cover dynamics were obtained based on screen digitizing of LandSat imagery, using polygon manual digitalization. Naturalness scenarios of the watersheds, over the 10-year (2004-2014), were obtained based on Urbanity Indicator, which evaluates how much the natural landscapes are dominated by altered systems. The total area of watersheds showed a predominantly scenario, induced by anthropogenic agricultural and non-agricultural expansion areas, mainly by conversion of other land use/cover types in sugarcane cultivation. Despite the increase in natural vegetation areas, over the 10-year (2004-2014), Jacaré-Guaçu and Jacaré-Pepira watersheds are far from a sustainable condition. However Jacaré-Guaçu watershed presents a scenario of more committed naturalness due to the increase in Urbanity Index values ≥ 0.7. The historical process of land use occupation for agricultural production remains the main driving force of naturalness changes, occupying more than 70% of the total area of watersheds. These results have significant implications for fast urbanizing municipalities in providing key information about long term land use impact on the watershed structure and function, making it possible for policy makers, scientists and stakeholders to identify land uses which are hindered or enhanced under various scenarios of land use change over the time, and making it possible to explore the trade-offs between them to improve watershed management.

关键词： Land Use Changes Urbanity Index Loss Natural Capital Watershed Sustainable Management

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Responses of the Host Plant Tissues to Gall Induction in Aspidosperma spruceanum Mü***.(Apocynaceae)

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American Journal of Plant Sciences 2011年第6期2卷 823-834页

作者： Anete teixeira Formiga Geraldo Luiz goncalves Soares Rosy Mary dos Santos Isaias Departamento de Botanica Campus da PampulhaInstituto de Ciencias BiologicasUniversidade Federal de Minas GeraisBelo HorizonteBrazil Departamento de Botanica Campus do ValeInstituto de BiocienciasUniversidade Federal do Rio Grande do SulPorto AlegreBrazil

The ontogenetic characterization of the leaf galls induced in the internervural region and in the second and third order veins of A. spruceanum Müell Arg. (Apocynaceae) aims to evaluate the distinct levels of cell reaction during the process of gall formation, and the relation between external gall morphology and the oviposition sites. The ground system had the most remarkable alterations, namely, the non differentiation of palisade parenchyma in both leaf sides, the hyperplasia of the spongy parenchyma and the neoformation of fibersclereids, a cell type not observed in non galled leaves. Changes of the feeding sites inside the larval chamber reveal distinct levels of cell competence to respond to the insects stimuli and explain the variations in the shape of the larval chamber.

关键词： Aspidosperma Cell Competence Gall Development Leaf Anatomy

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Bone marrow-derived monocyte infusion improves hepatic fibrosis by decreasing osteopontin,TGF-β1,IL-13 and oxidative stress

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World Journal of Gastroenterology 2017年第28期23卷 5146-5157页

作者： Veruska Cintia Alexandrino de Souza Thiago Almeida Pereira Valéria Wanderley teixeira Helotonio Carvalho Maria Carolina Accioly Brelaz de Castro Carolline Guimaraes D’assuncao Andreia Ferreira de Barros camila Lima Carvalho Virgínia Maria Barros de Lorena Vláudia Maria Assis Costa Alvaro Aguiar Coelho teixeira Regina Celia Bressan Queiroz Figueiredo Sheilla Andrade de Oliveira Centro de Pesquisas Aggeu Magalhaes Fundacao Oswaldo Cruz Immunopathogenesis Section Laboratory of Parasitic DiseasesNational Institute of Allergy and Infectious DiseaseNational Institutes of HealthBethesdaMDUSA and Laboratório de Doencas Parasitárias e infecciosasFaculdade de MedicinaUniversidade Federal de Minas Gerais Departamento de Morfologia e Fisiologia Animal Universidade Federal Rural de Pernambuco Departamento de Biofísica e Radiobiologia Universidade Federal de Pernambuco Centro Acadêmico de Vitória Universidade Federal de Pernambuco Departamento de Medicina Tropical Universidade Federal de Pernambuco

To evaluate the therapeutic effects of bone marrow-derived CD11b+CD14+ monocytes in a murine model of chronic liver *** liver damage was induced in C57BL/6 mice by administration of carbon tetrachloride and ethanol for 6 mo. Bone marrow-derived monocytes isolated by immunomagnetic separation were used for therapy. The cell transplantation effects were evaluated by morphometry, biochemical assessment, immunohistochemistry and enzyme-linked immunosorbent ***11b+CD14+ monocyte therapy significantly reduced liver fibrosis and increased hepatic glutathione levels. Levels of pro-inflammatory cytokines, including tumor necrosis factor-α, interleukin (IL)-6 and IL-1β, in addition to pro-fibrotic factors, such as IL-13, transforming growth factor-β1 and tissue inhibitor of metalloproteinase-1 also decreased, while IL-10 and matrix metalloproteinase-9 increased in the monocyte-treated group. CD11b+CD14+ monocyte transplantation caused significant changes in the hepatic expression of α-smooth muscle actin and *** therapy is capable of bringing about improvement of liver fibrosis by reducing oxidative stress and inflammation, as well as increasing anti-fibrogenic factors.

关键词： Monocytes Bone marrow mononuclear cells Cell therapy Macrophages Glutathione Liver fibrosis

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Comparison of morphological and functional outcomes of mouse sciatic nerve repair with three biodegradable polymer conduits containing poly (lactic acid)

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Neural Regeneration Research 2018年第10期13卷 1811-1819页

作者： Fernanda Marques Pestana Rui C.C.Domingues Júlia teixeira Oliveira Daniela F.P.A.Durco camila Oliveira Goulart Henrique Rocha Mendonca Anne Caroline Rodrigues dos Santos Natália Tavares de Campos Beatriz Theodoro da Silva Cristina Cardoso Pereira Cristiano Piacsek Borges Ana Maria Blanco Martinez Pós Graduacao em Ciências Morfológicas Instituto de Ciências Biomédicas-UFRJRio de Janeiro RJ Brazil Anatomia Patológica-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Laboratório de Neurodegeneracao e Reparo-Faculdade de Medicina-HUCFF-UFRJ Rio de Janeiro RJ Brazil Programa de Eng. Química COPPE-UFRJRio de Janeiro Brazil Polo Universitário de Macaé Laboratório Integrado de Produtos Bioativos e BiociênciasMacaê UFRJ Brazil

Poly（lactic acid）（PLA）-containing nerve guidance conduits（NGCs） are currently being investigated for nerve repair as an alternative to autograft, which leads to permanent functional impairment in the territory innervated by the removed nerve. Combination of polymers modifies the physical properties of the conduits, altering their nerve-guidance properties. Conduits made from PLA-only or combined with other polymers have been used successfully for nerve repair, but their efficiency has not been compared. We compared the morphological and functional outcomes of peripheral nerve repair by using NGCs made of poly（lactic acid） and combined or not with polycaprolactone（PLA/PCL） or polyvinylpyrrolidone（PLA/PVP）. To assess the functional recovery, we employed a mechanical hyperalgesia analysis, sciatic functional index（SFI）, and electroneuromyography. The mechanical hyperalgesia analysis showed that the PLA group improved more rapidly than the PLA/PVP and PLA/PCL groups; similarly, in the electroneuromyography assay, the PLA group exhibited higher amplitude than the PLA/PCL and PLA/PVP groups. However, the SFI improvement rates did not differ among the groups. Morphologically, the PLA group showed more vascularization, while the nerve fiber regeneration did not differ among the groups. In conclusion, the PLA-only conduits were superior to the other NGCs tested for nerve repair.

关键词： sciatic nerve tubulization biodegradable conduit poly(lactic acid) regeneration

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