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Y-chromosome microdeletions in nonobstructive azoospermia and severe oligozoospermia

Asian Journal of Andrology 2017年第3期19卷 338-345页

作者： Carolina Goncalves Mariana Cunha eduardo Rocha Susana Fernandess, Joaquina Silva Luis Ferraz Cristiano Oliveira Alberto Barros Mairio Sousa Department of Biology ClCECO University of Aveiro Campus Universitario de Santiago 3810-193 Aveiro Portugal Department of Microscopy Laboratory of Cell Biology Institute of Biomedical Sciences Abel Salazar University of Porto (ICBAS-UP) Rua Jorge Viterbo Ferreira 228 4050-313 Porto Portugal and Multidisciplinary Unit for Biomedical Research ICBAS-UP Portugal Centre for Reproductive Genetics Prof. Alberto Barros Av. do Bessa 240 1° Dto. Frente 4100-009 Porto Portugal Department of Microscopy Laboratory of Histology and Embryology ICBAS-UP Rua Jorge Viterbo Ferreira 228 4050-313 Porto Portugal Department of Genetics Faculty of Medicine University of Porto Alameda Prof. Hernani Monteiro 4200-319 Porto Portugal and Institute for Innovation and Health Research (13S) University of Porto Portugal Department of Urology Hospital Center of Vila Nova de Gala Rua Conceicao Fernandes 4430-502 Vila Nova de Gala Portugal.

The aim of the present work was to present the outcomes of the patients with Y-chromosome microdeletions treated by intracytoplasmic sperm injection （ICSI）, either using fresh （TESE） or frozen-thawed （TESE-C） testicular sperm and ejaculated sperm （EJAC）. The originality of this work resides in the comparisons between the different types of Y-microdeletions （AZFa, AZFb, and AZFc） and treatments, with detailed demographic, stimulation, embryological, clinical, and newborn （NB） outcomes. Of 125 patients with Y-microdeletions, 33 patients presented severe oligozoospermia （18 performed ICSI with ejaculated sperm） and 92 secretory azoospermia （65 went for TESE with 40 having successful sperm retrieval and performed ICSI）. There were 51 TESE treatment cycles and 43 TESE-C treatment cycles, with a birth of 19 NB （2 in AZFa/TESE-C, 12 in AZFc/TESE, and 5 in AZFc/TESE-C）. Of the 29 EJAC cycles, there was a birth of 8 NB （in AZFc）. In TESE and EJAC cycles, there were no significant differences in embryological and clinical parameters. In TESE-C cycles, there was a significant lower oocyte maturity rate, embryo cleavage rate and mean number of embryos transferred in AZFb, and a higher mean number of oocytes and lower fertilization rate in AZFc. In conclusion, although patients with AZFc microdeletions presented a high testicular sperm recovery rate and acceptable clinical outcomes, cases with AZFa and AZFb microdeletions presented a poor prognosis. Due to the reported heredity of microdeletions, patients should be informed about the infertile consequences on NB and the possibility of using preimplantation genetic diagnosis for female sex selection.

关键词： intracytoplasmic sperm injection newborn outcomes nonobstructive azoospermia severe oligozoospermia testicularsperm extraction Y-chromosome microdeletions

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Early Detection of White Spot Syndrome Virus(WSSV)in Isolated Hemocytes of Litopenaeus vannamei

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CellBio 2017年第1期6卷 1-12页

作者： Ariadne Hernandez-Perez Rossanna Rodriguez-Canul Edgar Torres-Irineo Fernando Mendoza-Cano Daniel eduardo Coronado-Molina Jesus Alejandro Zamora-Briseno jorge Hernandez-Lopez Laboratorio de Inmunología y Biología Molecular Centro de Investigación y de Estudios Avanzados del IPN(CINVESTAV-IPN)Unidad MéridaMéridaMéxico Laboratorio de Pesquerías Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional-Unidad MéridaMéridaMéxico UMDI-Sisal Facultad de CienciasUniversidad Nacional Autónoma de MéxicoSierra PapacalMéxico Centro de Investigaciones Biológicas del Noroeste HermosilloMéxico

To date, White Spot Syndrome (WSS) produced by the White Spot Syndrome Virus (WSSV) causes one of the most severe diseases infecting penaeid shrimps worldwide. Although a vast amount of studies has elucidated pathogenesis in live infection models, there is still little information about the interaction of WSSV infections using in vitro models in the whiteleg shrimp Litopenaeus vannamei (L. vannamei) hemocytes. In this study, a WSSV infection kinetics was performed using total hemocytes isolated from healthy L. vannamei organisms and maintained in in vitro conditions using isotonic solution for shrimp (ISS). The infected experimental cells received ≈ 30,000 viral copies of WSSV. The viability of the hemocytes (control and infected group) was measured during the kinetics with trypan blue exclusion method and cells were maintained up to 6 hpi (post-infection) with non-significant differences of viability between both groups. WSSV replication was assessed using RT- PCR at the RNA expression level of the early viral gene Ie1 and transcripts were detected as early as 30 min pi. Hemocytes from WSSV group showed disrupted integrity, degranulation and irregular shape. This study provides evidence of the capability of WSSV to infect and replicates in L. vannamei hemocytes using in vitro assays in short times as 30 min.

关键词： WSSV Litopenaeus vannamei Ie1 Gene Hemocytes In Vitro Infection GLS Analysis

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Influence of Tomographic Slice Thickness and Field of View Variation on the Reproduction of Thin Bone Structures for Rapid Prototyping Purposes-An in Vitro Study

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Open Journal of Radiology 2013年第1期3卷 12-25页

作者： Maria Ines Meurer Kivia Pires Souza Aldo von Wangenheim Daniel Duarte Abdala Luis Felipe de Souza Nobre eduardo Meurer jorge Vicente Lopes da Silva Department of Pathology Federal University of Santa CatarinaFlorianopolisBrazil Postgraduate Programme on Dento-Maxillo-Facial Radiology Health Sciences CenterFederal University of Santa CatarinaFlorianopolisBrazil Brazilian Institute for Digital Convergence Federal University of Santa CatarinaFlorianopolisBrazil Department of Computer Sciences Federal University of UberlandiaUberlandiaBrazil Department of Clinical Medicine Federal University of Santa CatarinaFlorianopolisBrazil Oral and Maxillofacial Surgery Homero de Miranda Gomes Regional HospitalSao JoseBrazil Renato Archer Center for Information Technology CampinasBrazil

This study assessed the influence of acquisition parameters of tomographic volumes on the reproduction of thin bone structures for rapid prototyping purposes. Two parameters were investigated: Field of View (FOV) and Slice Thickness (ST). The specimen was comprised of five pairs of 0.6 mm, 1.1 mm, 1.5 mm, 2.0 mm and 2.8 mm thick cortical bone plates. The plates were stuck into utility wax;the first plate of the pair was in vertical position while the second plate was oblique to the first one. Forty-five tomographic images were captured and separated into 3 groups of fifteen images. Each group had a specific FOV: 180 mm;250 mm and 430 mm, respectively. Within each of these three groups, tomographic slice thickness was varied for every five of the fifteen slices. Acquisitions were carried out with STs of 1 mm, 2.5 mm and 5 mm. The Cyclops Medical Station software was used in the voxel-to-voxel analysis of radiologic density, reaching a total of 1350 assessed images. ST and FOV variation influenced the reproduction of thin bone walls, and FOV was shown to be a very important parameter. The larger the acquisition FOV, the more reduction in the number of voxels within the range of reconstruction for cortical bone in all of the bone plates. The visual analysis of the images of very thin bone walls showed that there could be a sharp drop in the radiologic density value in several adjacent voxels, resulting in areas which might not be reproduced in the reconstruction.

关键词： Computed Tomography Rapid Prototyping Medical Rapid Prototyping Model

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Restoration-Focused Germination and Development of Five Central Mexican Oak Species

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Open Journal of Forestry 2014年第3期4卷 171-180页

作者： Alfonso-Corrado Cecilia Campos jorge eduardo Mendoza Ana Aguirre-Hidalgo Victor Valencia-Davalos Susana González-Adame Gabriel Wooden Garvey Fanny Clark-Tapia Ricardo Herbario de la Facultad de Ciencias (FCME) Departamento de Biología Comparada UNAM Ciudad Universitaria México D.F. México Instituto de Ecología UNAM Ciudad Universitaria México D.F. México Instituto de Estudios Ambientales Universidad de la Sierra Juárez Oaxaca México Laboratorio de Bioquímica Molecular-Unidad de Biotecnología y Prototipos (UBIPRO) Fes–IZTACALA Tlalnepantla México Nova Universitas Carretera a Puerto ángel Km. 34.5 Ocotlán de Morelos México

In the genus Quercus, regeneration by seed is reduced or absent in many species. The naturally protected area of the Sierra Fria, in Aguascalientes, Mexico contains forests that are fragmented and have been degraded due to human activities. The oak populations in this region demonstrate a very restricted sexual regeneration, with five of the most abundant species of this genus: Quercuseduardii, Q. grisea, Q. potosina, Q. resinosa and Q. sideroxyla presenting low seedling recruitment. In this study we evaluated seed viability and the effect of seed size on the germination, growth and survival of the trees, with the aim of recommending restoration and conservation program management actions for these oak species. In 2005 and 2006, 5000 acorns of each species were collected and viability, germination and growth experiments were performed in the laboratory and greenhouse. We found high seed viability and significant size effect

关键词： Acorns Oak Regeneration Seed Size Seed Viability

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SARS-CoV-2:Air pollution highly correlated to the increase in *** case of Guadalajara,Jalisco,Mexico

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Infectious Disease Modelling 2023年第2期8卷 445-457页

作者： Elizabeth Torres-Anguiano Itzel Sanchez-Lopez Angeles Garduno-Robles jorge David Rivas-Carrillo Edgar Alfonso Rivera-Leon Sergio Sanchez-Enríquez Luis Fernando Ornelas-Hernandez Fernando Zazueta Leon-Quintero eduardo Narciso Salazar Leon-Quintero Guillermo Enrique Juarez-Lopez Fernando Antonio Sanchez-Zubieta Mariana Ochoa-Bru Abraham Zepeda-Moreno Onkogenetik/Mexicana de Investigacion y Biotectogía S.A.de C.V GuadalajaraJaliscoMexico Unidad de Biología Molecular Investigacion y DiagnosticoHospital San JavierGuadalajaraJaliscoMexico Departamento de Fisiología Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Departamento de Biología Molecular y Genomica Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Departamento de Clínicas Centro Universitario de los AltosUniversidad de GuadalajaraTepatitlan de MorelosJaliscoMexico Departamento de Clínicas Medicas Centro Universitario de Ciencias de la SaludUniversidad de GuadalajaraGuadalajaraJaliscoMexico Servicio de Hemato-Oncología Pediatrica Hospital Civil de Guadalajara“Dr.Juan I.Menchaca”GuadalajaraJaliscoMexico Hospital Civil de Guadalajara“Fray Antonio Alcalde” GuadalajaraJaliscoMexico

Objectives:To determine whether air pollution or changes in SARS-CoV-2 lineages lead to an increase in ***:Descriptive statistics were used to calculate rates of infection(2020-2021).RT ePCR was used to compare viral loads from October 2020 to February *** sequencing(NGS)(n=92)was used to examine and phylogenetically map SARS-CoV-2 lineages.A correlative“air pollution/temperature”index(I)was developed using regression ***_(2.5),PM_(10),O_(3),NO_(2),SO_(2),and CO concentrations were analyzed and compared to the ***:The mortality rate during the last year was~32%.Relative SARS-CoV-2 viral loads increased in December 2020 and January *** revealed that approximately 80%of SARS-CoV-2 linages were B.1.243(33.7%),B1.1.222(11.2%),B.1.1(9%),B.1(7%),B.1.1.159(7%),and B.1.2(7%).Two periods were analyzed,the prehigh-and high-mortality periods and no significant lineage differences or new lineages were *** correlations of air pollution/temperature index values with mortality were found for IPM_(2.5) and IPM_(10).INO_(2).ISO_(2),and ICO but not for O_(3).Using ICO,we developed a model to predict mortality with an estimated variation of~±5 deaths per day.

关键词： Air pollution COVID-19 Guadalajara Mexico SARS-CoV-2 SARS-CoV-2 lineages

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Pharmacokinetics Evaluation of Nimotuzumab in Combination with Doxorubicin and Cyclophosphamide in Patients with Advanced Breast Cancer

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Journal of Life Sciences 2013年第11期7卷 1123-1133页

作者： Leyanis Rodriguez-Vera eduardo Fernandez-Sanchez jorge L. Soriano Noide Batista Maite Lima Joaquin Gonzalez Robin Garcia Carmen Viada Concepcion Peraire Helena Colom Mayra Ramos-Suzarte Laboratory of Pharmacokinetic Department of Pharmacology & Toxicology Institute of Pharmacy & Foods 222 St. and 23 Avenue La Coronela La Lisa University of Havana Havana CP 13600 Cuba Center for Research and Biological Evaluation Institute of Pharmacy & Foods 222 St. and 23 Avenue La Coronela La LisaUniversity of Havana Havana CP 13600 Cuba Hermanos Ameijeiras Hospital San L6zaro Avenue and Street Belascoain Havana Center Havana Cuba Center of Molecular Immunology Street 216 and 15 Atabey Playa Havana Cuba Pharmacy and Pharmaceutical Technology Department School of Pharmacy University of Barcelona Barcelona Spain

EGFr （Epidermal growth factor receptor） overexpression has been detected in many tumors of epithelial origin, specifically in breast cancer and it is often associated with tumor growth advantages and poor prognosis. The nimotuzumab is a genetically engineered humanized MAb （monoclonal antibody） that recognizes an epitope located in the extracellular domain of human EGFr. The aim of this study was to assess the pharmacokinetics of nimotuzumab in patients with locally advanced breast cancer who are receiving neoadyuvant therapy combined with the AC chemotherapy regimen （i.e., 60 mg/m2 of Doxorubicin and 600 mg/m2 of Cyclophosphamide in 4 cycles every 21 days）. A single center, non-controlled, open Phase I clinical trial, with histopathological diagnosis of locally advanced stage III breast cancer, was conducted in 12 female patients. Three patients were enrolled at each of the following fixed dose levels： 50, 100, 200 and 400 mg/week. Multiple intermittent short-term intravenous infusions of nimotuzumab were administered weekly, except on weeks 1 and 10, when blood samples were drawn for pharmacokinetic assessments. Nimotuzumab showed dose-dependent kinetics. No anti-idiotypic response against nimotuzumab was detected in blood samples of participants. There was not interaction between the administration of nimotuzumab and chemotherapy at the dose levels studied. The optimal biological doses ranging were estimated to be 200 mg/weekly to 400 mg/weekly.

关键词： Breast cancer epidermal growth factor receptor monoclonal antibody nimotuzumab pharmacokinetics

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Analyzing Brazilian Driver’s License Authenticity by Easy Ambient Sonic-Spray Ionization Mass Spectrometry

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American Journal of Analytical Chemistry 2016年第4期7卷 342-350页

作者： Deleon Nascimento Correa eduardo Morgado Schmidt Marcos Fernando Franco jorge Jardim Zacca Werickson Fortunato de Carvalho Rocha Antony de Paula Barbosa Rodrigo Borges Wanderley de Souza Marcos Nogueira Eberlin ThoMSon Mass Spectrometry Laboratory Department of Analytical Chemistry Institute of Chemistry University of Campinas-UNICAMP Campinas Brazil Technical-Scientific Police Superintendency from Sao Paulo State Criminalistic Institute Sao Paulo Brazil Analítica Sao Paulo Brazil Brazilian Federal Police Scientific and Technical Department Brasília Brazil National Institute of Metrology Quality and Technology-INMETRO Duque de Caxias Brazil

Fast and unequivocal methods of questioned document analysis are essential in forensic science. Here, a desorption/ionization technique, EASI-MS, was assessed for its ability to investigate questioned driver’s licenses (DL). Two suspects DL, displaying the same personal data in the proper fields (name and ID numbers), but with different individual photos, showing similar impressions on microscopic analysis, and authentic standards documents specimens were used as test cases. Profiles from authentic DL surface were dominated by a set of few minor ions, mainly from the plasticizers bis(2-ethylhexyl)phthalate and dibutylphthalate. The seized suspect counterfeit DL on points from personal data and photo were, however, dominated by abundant diagnostic ions of m/z 463, 507, 551, 595, 639, 683, which confirmed counterfeiting. Surfynol® and Nonoxynol-9®, which are common constituents of inkjet printing, were detected in the counterfeiting areas by high-accuracy EASI(+)-FT-ICR MS. The EASI-MS technique is shown therefore to offer an attractive tool for forensic investigation of questioned documents.

关键词： Forensic Sciences Questioned Documents Ambient Mass Spectrometry Easy Ambient Sonic-Spray Ionization Mass Spectrometry EASI-MS

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Estimation of the Foliar Area by Non-Destructive Methods in Two Stages of Growth of Pepper Plants(Capsicum annuum L.)Hybrid Salvador

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American Journal of Plant Sciences 2018年第3期9卷 325-338页

作者： Osvaldo Fosado Téllez Emanuel Munoz Munoz Antonio Torres García jorge Luis Cue García eduardo Fidel Héctor Ardisana Rolando León Aguilar Elízabeth Fosado Obregón Facultad de Ingeniería Agronómica Universidad Técnica de ManabíPortoviejoEcuador Instituto de Ciencias Básicas Universidad Técnica de ManabíPortoviejoEcuador Universidad Técnica del Norte IbarraEcuador Departamento de Ingeniería Industrial Universidad de Pinar del RíoPinar del RíoCuba

The present work was aimed to obtain a model for the determination of the leaf area in function of the length and width of the leaves in pepper (Capsicum annuum L.) hybrid Salvador. The research was carried out in nursery conditions at the Experimental Campus La Teodomira, located in the parish of Lodana, Santa Ana, province of Manabí, Ecuador, in 2016, in the stages of initiation of flowering and flowering-fructification. In each phase 100 physiologically mature leaves of different sizes were collected. Leaves were digitalized in a rectangle with known dimensions, which allowed the area to be calculated through the percentage of pixels of different colors. From the determination of the length and maximum width of each leaf and the estimated area through the digitization process, the regression models were obtained, selecting the better fit generated between the leaf area and the product of the length by the maximum width of the leaf (). In the initiation of flowering stage the quadratic model generated the best coefficient of determination (R2 = 0.958), whereas in the flowering-fructification stage the best coefficient of determination was achieved by the cubic model (R2 = 0.955). The practical applicability of other simpler models among the tested ones, which show a high accuracy and sacrifice a low percentage of error, is discussed.

关键词： Image Binarization Regression Analysis Leaf Area

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Characterization of oral yeasts isolated from healthy individuals attended in different Colombian dental clinics

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The Journal of Biomedical Research 2019年第5期33卷 333-342页

作者： Raul eduardo Rivera Alejandra Zuluaga Karen Arango Itzjak Kadar Paola Andrea Pinillos Luis Fernando Montes Eugenia Catalina Cepeda Ernesto Gonzalez Pedro Antonio Alfonso Andrea Alejandra Villalba Luis Fernando Casanova Adolfo Perez Armando Roa martha Jhoana Arias jorge Orlando Francisco Cuellar Lorena Pedraza Adiel Alberto Vasquez Blanca Lynne Suarez Beatriz LGomez Catalina De Bedout Luz Elena Cano Group of Investigation in Oral Health Faculty of DentistryAntonio Narino UniversityArmeniaQuindio 630001Colombia Medical and Experimental MycologyUnit Corporation for Biological Research(CIB)MedellinAntioquia 050034Colombia School of Medicine and Health Sciences Universidad del RosarioCarreraBogota 111221Colombia School of Microbiology University of AntioquiaMedellinAntioquia 050036Colombia.

The aim of this study was to identify the most frequent yeasts in the oral cavity of adult individuals without immune disorders and to associate the presence of these oral yeasts with different characteristics of each individual. Oral rinse samples were obtained from 96 healthy adults and cultured in Sabouraud dextrose agar media and CHROMagar. Yeasts were identified by sequencing the D1/D2 region of the 28 S rRNA gene. Probable association among the socio-demographic characteristics, body mass index, family and personal medical history,oral hygiene, tobacco and/or alcohol consumption habits and presence of oral fungi was analyzed. Contingency tables and logistic regression were employed to evaluate possible relationships between the presence of oral fungi and mixed colonization with these variables. 57.3% of the healthy individuals had oral yeasts and 21.8% had mixed colonization. The most prevalent yeasts were Candida albicans(52%), C. parapsilosis(17.9%), and ***(7.57%). Yeasts with most frequently mixed colonization were C. albicans and C. parapsilosis. No relationships were found among the variables analyzed. However, the presence of mixed colonization was related to the presence of dental prostheses(P<0.006), dental apparatuses(P=0.016) and O’Leary index(P=0.012). This is the first study that characterized oral yeasts in Colombian healthy individuals, determined the most prevalent oral yeasts C. albicans, C. parapsilosis and C. dublinensis and an association of mixed colonization with the use of dental prostheses and aparatology and poor hygiene.

关键词： oral yeast Candida species microbial epidemiology

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Regeneration of critical-sized defects, in a goat model, using a dextrin-based hydrogel associated with granular synthetic bone substitute

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Regenerative Biomaterials 2021年第1期8卷 73-82页

作者： Isabel Pereira Jose eduardo Pereira Luis Maltez Alexandra Rodrigues Catarina Rodrigues Manuela Oliveira Dina MSilva Ana Rita Caseiro Justina Prada Ana Colette Mauricio Jose Domingos Santos Miguel Gama CEB Centre of Biological EngineeingUniversity of MinhoCampus de GualtarBraga 4710-057Portugal CECAV Animal and Veterinary Research CentreUniversity of Trias-os-Montes e Alto DouroVila Real 5001-801Portugal Department of Veterinary Sciences University of Tras-os-Montes e Alto DouroVila Real 5001-801Portugal Bios ckin Molecular and Cell Therapies S.A.Laboratorio CriovidaTecMaiaRua Engenheiro Frederico Ulrich 2650Moreira da Maia 4470-605Portugal Departamento de Clinicas Veterinarias Instituto de Ciencias Biomedicas de Abel Salazar(ICBAS)Universidade do Porto(UP)Rua de Jorge Viterbo Ferreiran°228Porto 4050-313Portugal Centro de Estudos de Ciencia Animal(CECA) Instituto de CienciasTecnologias e Agroambiente da Universidade do Porto(ICETA)Rua D.Manuel IApartado 55142Porto 4051-401 Portugal Centro de Investigaqao Vasco da Gama(CIVG)/Escola Universitaria Vasco da Gama(EUVG) Avenida Jose R.Sousa Femandesn°197 LordemaoCoimbra 3020-210Portugal REQUIMTE/LAQV Departamento de Engenharia Metalurgica e MateriaisFaculdade de EngenhariaUniversidade do PortoRua Dr Roberto FriasPorto 4200-495Portugal

The development of injectable bone substitutes(IBS)have obtained great importance in the bone re-generation field,as a strategy to reach hardly accessible defects using minimally invasive techniques and able to fit to irregular *** this scenario,the association of injectable hydrogels and bone graft granules is emerging as a well-established ***,in situ forming hydrogels have arisen as a new IBS *** in situ forming and injectable dextrin-based hydrogel(HG)was developed,aiming to act as a carrier of granular bone substitutes and bioactive *** this work,the HG was associated to a granular bone substitute(Bonelike)and implanted in goat critical-sized calvarial defects(14mm)for 3,6 and *** results showed that HG improved the han-dling properties of the Bonelike granules and did not affect its osteoconductive features,neither impairing the bone regener ation *** multipotent mesenchymal stromal cells from the umbilical cord,extracellular matrix hydrolysates and the pro-angiogenic peptide LLKKK18 were also combined with the *** bioactive agents did not enhance the new bone formation significantly under the conditions tested,according to micro-computed tomography and histological analysis.

关键词： polysaccharide injec table hydrogel granular ceramics Bonelike' bone regen eration calvarial defect

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