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Fecal immunochemical test accuracy in average-risk colorectal cancer screening

World Journal of Gastroenterology 2014年第4期20卷 1038-1047页

作者： Vicent Hernandez Joaquin Cubiella M Carmen Gonzalez-Mao Felipe Iglesias Concepción Rivera M Begoa Iglesias Lucía Cid Ines Castro Luisa de Castro Pablo Vega jose Antonio Hermo Ramiro Macenlle Alfonso Martínez-Turnes David Martínez-Ares Pamela Estevez Estela Cid M Carmen Vidal Angeles López-Martínez Elisabeth Hijona Marta Herreros-Villanueva Luis Bujanda jose ignacio rodriguez-prada the COLONPREV study investigators Department of Gastroenterology Complexo Hospitalario Universitario de Vigo Department of Gastroenterology Complexo Hospitalario Universitario de Ourense Department of Clinical Analysis Complexo Hospitalario Universitario de Vigo Department of Pathology Complexo Hospitalario Universitario de Vigo Department of Gastroenterology Donostia Hospital Biodonostia Institute University of the Basque Country UPV/EHU

AIM: To assess the fecal immunochemical test (FIT) accuracy for colorectal cancer (CRC) and advanced neoplasia (AN) detection in CRC screening.

关键词： Colorectal neoplasms Early detection of cancer Sensitivity and specificity Adenoma Occult blood Cost-benefit analysis

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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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Evaluation of biodegradable electric conductive tube-guides and mesenchymal stem cells

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World Journal of Stem Cells 2015年第6期7卷 956-975页

作者： Jorge Ribeiro Tiago Pereira Ana Rita Caseiro Paulo Armada-da-Silva Isabel Pires Justina prada Irina Amorim Sandra Amado Miguel Franca Carolina Goncalves Maria Ascensao Lopes jose Domingos Santos Dina Morais Silva Stefano Geuna Ana Lúcia Luís Ana Colette Maurício Departmento de Clínicas Veterinárias and+UPVet Instituto de Ciencias Biomedicas de Abel Salazar(ICBAS)and Centro de Estudos de Ciencia Animal(CECA)Instituto de CienciasTecnologias e Agroambiente da Universidade do Porto(ICETA)Rua de Jorge Viterbo Ferreira4050-313 PortoPortugal Centro Interdisciplinar de Estudo de Performance Humana(CIPER) Faculdade de Motricidade Humana(FMH)Universidade de Lisboa(UL)Estrada da Costa1499-002 Cruz QuebradaDafundoPortugal CECAV and Departamento de Ciencias Veterinárias Universidade de Trás-os-Montes e Alto Douro(UTAD)5001-801 Vila RealPortugal Departmento de Patologia e de Imunologia Molecular Instituto de Ciencias Biomedicas de Abel SalazarRua de Jorge Viterbo Ferreira4050-313 PortoPortugal Instituto Português de Patologia e Imunologia Molecular da Universidade do Porto(IPATIMUP) Rua Dr.Roberto Frias s/n4200-465 PortoPortugal UIS-IPL:Unidade de Investigacao em Saúde da Escola Superior de Saúde de Leiria Instituto Politécnico de Leiria2411-901 LeiriaPortugal CEMUC Departamento de Engenharia Metalúrgica e MateriaisFaculdade de Engenharia da Universidade do Porto(FEUP)Rua Dr.Roberto Frias4200-465 PortoPortugal Biosckin Molecular and Cell Therapies S.A.Tec MaiaRua Engenheiro Frederico Ulrich 26504470-605 MaiaPortugal Neuroscience Institute of the Cavalieri Ottolenghi Foundation and Department of Clinical and Biological Sciences University of Turin

AIM: To study the therapeutic effect of three tubeguides with electrical conductivity associated to mesenchymal stem cells(MSCs) on neuro-muscular regeneration after ***: Rats with 10-mm gap nerve injury were tested using polyvinyl alcohol(PVA), PVA-carbon nanotubes(CNTs) and MSCs, and PVA-polypyrrole(PPy). The regenerated nerves and tibialis anterior muscles were processed for stereological studies after 20 wk. The functional recovery was assessed serially for gait biomechanical analysis, by extensor postural thrust, sciatic functional index and static sciatic functionalindex(SSI), and by withdrawal reflex latency(WRL). In vitro studies included cytocompatibility, flow cytometry, reverse transcriptase polymerase chain reaction and karyotype analysis of the MSCs. Histopathology of lung, liver, kidneys, and regional lymph nodes ensured the biomaterials biocompatibility. RESULTS: SSI remained negative throughout and independently from treatment. Differences between treted groups in the severity of changes in WRL existed, showing a faster regeneration for PVA-CNTs-MSCs(P < 0.05). At toe-off, less acute ankle joint angles were seen for PVA-CNTs-MSCs group(P = 0.051) suggesting improved ankle muscles function during the push off phase of the gait cycle. In PVA-PPy and PVA-CNTs groups, there was a 25% and 42% increase of average fiber area and a 13% and 21% increase of the "minimal Feret's diameter" respectively. Stereological analysis disclosed a significantly(P < 0.05) increased myelin thickness(M), ratio myelin thickness/axon diameter(M/d) and ratio axon diameter/fiber diameter(d/D; g-ratio) in PVA-CNT-MSCs group(P < 0.05). CONCLUSION: Results revealed that treatment with MSCs and PVA-CNTs tube-guides induced better nerve fiber regeneration. Functional and kinematics analysis revealed positive synergistic effects brought by MSCs and PVA-CNTs. The PVA-CNTs and PVA-PPy are promising scaffolds with electric conductive properties, bio- and cytocompatible th

关键词： Nerve regeneration Neurotmesis Tubeguides Mesenchymal stem cells Carbon nanotubes Functional assessment Gait biomechanical analysis Histomorfometry Polyvinyl alcohol

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