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

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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Macrolide-Clarithromycin Task-Force for the Treatment and Prophylaxis of Covid-19 as a Single Agent

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Pharmacology & Pharmacy 2020年第6期11卷 85-104页

作者： Eduardo Mansilla Ricardo Rangel Martínez Gustavo Horacio Marín Idiberto Zotarelli Filho Elsa Rivas Jaime Rivas katherine athayde teixeira de carvalho Mohammad Reza Dayer Alí Samadikuchaksaraei Internal Medicine School of Medical Sciences UNLP La Plata Argentina ExomePharma Ciudad de México DF México Pharmacology School of Medical Sciences UNLP La Plata Argentina Faceres Medical School Sao José do Rio Preto Sao Paulo Brazil Intensive Care Units-Hospital de la Amistad Perú Corea II Santa Rosa and Salvador University Hospital Piura Perú Intensive Care Unit Hospital de la Amistad Perú Corea II Santa Rosa Piura Perú Pequeno Príncipe Faculty & Pelé Pequeno Príncipe Institute Curitiba Paraná Brazil department of Biology Faculty of Science Shahid Chamran University of Ahvaz Ahvaz Iran department of Tissue Engineering & Regenerative Medicine Iran University of Medical Sciences Tehran Iran

SARS-CoV-2 is a novel RNA coronavirus responsible of a deadly pandemic: the clinical illness COVID-19. With only one authorized drug for emergency use in critically ill patients: Remdesivir, there is not any other approved drug or vaccine yet with proven potential to overcome this infection. We exposed here many scientific evidences to support our novel idea that a macrolide, basically Clarithromycin, could be effective as a single agent for treatment and prophylaxis of COVID-19. Clarithromycin could change the history of this pandemic. It could reduce the costs of treatment and the potential adverse effects when combining more than one drug such as with Hydroxychloroquine. Clarithromycin treatment and prophylaxis as a single agent could be much more simple, safe and cheaper as giving Chloroquine or Hydroxychloroquine alone or in combination with Azithromycin as well as other therapeutic options.

关键词： COVID-19 Macrolides Clarithromycin Single Agent Therapy Prophylaxis

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Amniotic membrane as a potent source of stem cells and a matrix for engineering heart tissue

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Journal of Biomedical Science and Engineering 2013年第12期6卷 1178-1185页

作者： Julio Cesar Francisco Ricardo Correa Cunha Rossana Baggio Simeoni Luiz Cesar Guarita-Souza Reginaldo Justino Ferreira Ana Carolina Irioda Carolina Maria C.Oliveira Souza Garikipati Venkata Naga Srikanth Soniya Nityanand Juan Carlos Chachques katherine athayde teixeira de carvalho Bioprocess Engineering and Biotechnology department Federal University of ParanáCuritibaBrazil Cell Therapy and Biotechnology in Regenerative Medicine Research Group Pele Pequeno Príncipe InstituteCuritibaBrazil Experimental Laboratory of Institute of Biological and Health Sciences Pontificial Catholic University of Paraná(PUCPR)Rua Imaculada ConceicaoCuritibaBrazil Federal University of Technology CuritibaBrazil department of Hematology Stem Cell Research FacultySanjay Gandhi Post-Graduate Institute of Medical SciencesLucknowIndia Laboratory of Biosurgical Research Pompidou HospitalUniversity of Paris DescartesParisFrance

Existing therapies for the treatment of chronic heart failure still have some limitations and there is a pressing need for the development of new therapeutic modalities. The amniotic membrane has been used for the treatment of various diseases, such as conjunctive defects;however, the mechanisms behind its repair functions are still unclear. Regenerative medicine is seeking newer alternatives and among them, biomaterials have emerged in recent years for developing and manipulating molecules, cells, tissues or organs grown in laboratories in order to replace human body parts. Many such materials have been used for this purpose, either synthetically or biologically, in order to provide new medical devices. This review provides a wider view of the regeneration potential of the use of amniotic membrane as a potential biomaterial to facilitate the implementation of new research in surgical procedures. Amniotic membrane appears to be an alternative source of stem cells as well as an excellent biomaterial for cell-based therapeutic applications in engineering heart tissue.

关键词： Amniotic Membrane Heart Tissue Engineering Stem Cells

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Preclinical stem cell therapy in Chagas Disease: Perspectives for future research

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World Journal of Transplantation 2013年第4期3卷 119-126页

作者： katherine athayde teixeira de carvalho Eltyeb Abdelwahid Reginaldo Justino Ferreira Ana Carolina Irioda Luiz Cesar Guarita-Souza Cell Therapy and Biotechnology in Regenerative Medicine Research Group Pequeno Príncipe FacultyPelé Pequeno Príncipe InstituteCuritiba 80250-200ParanáBrazil Bioprocess Engineering and Biotechnology department Federal University of ParanáCuritiba 81531-970ParanáBrazil CBRC Massachusetts General Hospital/Harvard Medical SchoolCharlestownMa 02129United States Federal University of Technology Curitiba 80230-901ParanáBrazil Experimental Laboratory of Institute of Biological and Health Sciences of Pontifical Catholic University of Parana Curitiba 80215-901ParanáBrazil

Chagas cardiomyopathy still remains a challenging problem that is responsible for high morbidity and mortality in Central and Latin America. Chagas disease disrupts blood microcirculation via various autoimmune mechanisms, causing loss of cardiomyocytes and severe impairment of heart function. Different cell types and delivery approaches in Chagas Disease have been studied in both preclinical models and clinical trials. The main objective of this article is to clarify the reasons why the benefits that have been seen with cell therapy in preclinical models fail to translate to the clinical setting. This can be explained by crucial differences between the cellular types and pathophysiological mechanisms of the disease, as well as the differences between human patients and animal models. We discuss examples that demonstrate how the results from preclinical trials might have overestimated the efficacy of myocardial regeneration therapies. Future research should focus, not only on studying the best cell type to use but, very importantly, understanding the levels of safety and cellular interaction that can elicit efficient therapeutic effects in human tissue. Addressing the challenges associated with future research may ensure the success of stem cell therapy in improving preclinical models and the treatment of Chagas disease.

关键词： Chagas Disease preclinical stem cell therapy co-cultured translation pathophysiologie myoblasts

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Benefit of stem cells and skeletal myoblast cells in dilated cardiomyopathies

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World Journal of Cardiology 2011年第3期3卷 93-97页

作者： Luiz César Guarita-Souza Júlio César Francisco Rossana Simeoni Jose Rocha Faria-Neto katherine athayde teixeira de carvalho department of Post Graduation Surgery Pontifical Catholic University of Parana The PeléPequeno Príncipe Institute Child and Adolescent Health Research and Pequeno Príncipe Faculty

Although some authors suggest that there is mitotic division in the heart,most cardiomyocytes do not have the capacity to regenerate after myocardial infarction and when this occurs there is a deterioration of contractile function,and if the area of infarction is extensive ventricular remodeling may occur,leading to the development of heart *** transplantation into the myocardium with the goal of recovery of cardiac function has been extensively studied in recent years. The effects of cell therapy are based directly on the cell type used and the type of cardiac *** myocardial ischemia in the hibernating myocardium, bone marrow cells have functional benefits,however these results in transmural fibrosis are not evident. In these cases there is a benefit of implantation with skeletal myoblasts,for treating the underlying cause of disease,the loss of cell contractility.

关键词： Cell transplantation Cardiomyopathy Skeletal myoblasts Stem cells

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Phase Ⅰ of cardiac rehabilitation:A new challenge for evidence based physiotherapy

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World Journal of Cardiology 2011年第7期3卷 248-255页

作者： Rafael Michel de Macedo JoséRocha Faria-Neto Costantino Ortiz Costantini Dayane Casali Andrea Pires Muller Costantino Roberto Costantini katherine athayde teixeira de carvalho Luiz César Guarita-Souza department of Rehabilitation Costantini Cardiological HospitalCuritiba80320-320Brazil Graduate Program in Health Sciences Catholic Pontificia University of ParanáCuritiba80215-901Brazil Graduate Program in Biotechnology Applied to Health Pequeno Príncipe FacultyCuritiba80230-020Brazil

Cardiac rehabilitation protocols applied during the inhospital phase(phaseⅠ)are subjective and their results are contested when evaluated considering what should be the three basic principles of exercise prescription:specificity,overload and *** this review,we focus on the problems associated with the models of exercise prescription applied at this early stage in-hospital and adopted today,especially the lack of clinical studies demonstrating its ***,we present the concept of"periodization"as a useful tool in the search for better results.

关键词： Cardiac rehabilitation Exercise physiology Physical therapy

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delay Times and Clinical Outcomes in Acute Myocardial Infarction: Comparison of Periods before and during the COVID-19 Pandemic—Myocardial Infarction and the Pandemic

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World Journal of Cardiovascular Diseases 2024年第6期14卷 392-400页

作者： Clarice teixeira Silva Araújo Arnon Salviato Mameri Thúlio Carrera Guarçoni Venturini Marcus Tadeu Aguilar Constantino Matos Igor Morais Araujo Lopes Luiz Gustavo Ribeiro de carvalho Murad Cleberson Duartes Ovani Guilherme Vassalo Morais Fernanda Venturini de Castro Danielle Lopes Rocha Lucas Crespo de Barros Rodolfo Costa Sylvestre Luiz Fernando Machado Barbosa Roberto Ramos Barbosa Internal Medicine Universidade Federal do Esprito Santo (UFES) Vitria Brazil Hospital Santa Casa de Misericrdia de Vitria Vitria Brazil Hospital Santa Rita de Cssia Vitria Brazil Hospital Estadual Dr. Jayme Santos Neves Serra Brazil Grupo Kora Sade Vitria Brazil Hospital Estadual Infantil e Maternidade Alzir Bernardino Alves (HIMABA) Vila Velha Brazil

Introduction: At the beginning of the COVID-19 pandemic, a drop in the number of patients treated for cardiac emergencies raised concern about cardiovascular mortality in that period. An increase in care delay for patients with ST-segment elevation myocardial infarction (STEMI) may have affected clinical outcomes. Objectives: To analyze delay times and clinical outcomes of patients with STEMI undergoing primary percutaneous coronary intervention (PPCI), before and during the COVID-19 pandemic. Methods: Retrospective observational study that included patients with STEMI undergoing PPCI from december 2018 to July 2021. The COVID-19 pandemic cases were divided into two groups: pandemic I—from March to August 2020;and pandemic II—from September 2020 to July 2021. Patients were compared according to the period of hospitalization. Primary outcomes were delay times in assistance and clinical outcomes (acute kidney injury [AKI], post-procedural vascular complications and in-hospital mortality). Results: 108 patients were included, 39 (36.1%) in the pre-pandemic period, 13 (12.1%) in pandemic I and 56 (51.8%) in pandemic II. Time from onset of symptoms to arrival at the service and door-to-balloon time did not differ significantly among groups. Vascular complications were more frequent during the pandemic (I and II) than in the pre-pandemic period (2.5% pre-pandemic vs 15.4% pandemic vs 12.5% pandemic II;p = 0.03). AKI incidence was similar in all three periods. There was a non-significant increase in in-hospital mortality during the COVID-19 pandemic. Conclusion: In patients with STEMI, there was an increase in vascular complications and a trend toward increased mortality during the COVID-19 pandemic. delay times to admission and reperfusion did not differ significantly between before and during the pandemic.

关键词： Myocardial Infarction Primary Percutaneous Coronary Intervention Coronary Reperfusion Pandemic COVID-19

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Natural Mg silicates with different structures and morphologies: Reaction with K to produce K2MgSiO4 catalyst for biodiesel production

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International Journal of Minerals,Metallurgy and Materials 2020年第1期27卷 46-54页

作者： Fabiane carvalho Ballotin Mayra Nascimento Sara Silveira Vieira Alexandre carvalho Bertoli Ottávio Carmignano Ana Paula de carvalho teixeira Rochel Montero Lago departamento de Química Universidade Federal de Minas GeraisBelo HorizonteBrasil Doutorado Inovação/Mineradora Pedras Congonhas Universidade Federal de Minas Gerais31270-901 Belo Horizonte-MGBrazil

In this work, different magnesium silicate mineral samples based on antigorite, lizardite, chrysotile(which have the same general formula Mg3Si2O5(OH)4), and talc(Mg3Si4O10(OH)2) were reacted with KOH to prepare catalysts for biodiesel production. Simple impregnation with 20 wt% K and treatment at 700–900°C led to a solid-state reaction to mainly form the K2MgSiO4 phase in all samples. These results indicate that the K ion can diffuse into the different Mg silicate structures and textures, likely through intercalation in the interlayer space of the different mineral samples followed by dehydroxylation and K2MgSiO4 formation. All the materials showed catalytic activity for the transesterification of soybean oil(1:6 of oil : methanol molar ratio, 5 wt% of catalyst, 60°C). However, the best results were obtained for the antigorite and chrysotile precursors, which are discussed in terms of mineral structure and the more efficient formation of the active phase K2MgSiO4.

关键词： silicate serpentinite lizardite antigorite talc chrysotile biodiesel

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Encephalic hemodynamic phases in subarachnoid hemorrhage:how to improve the protective effect in patient prognoses

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Neural Regeneration Research 2015年第5期10卷 748-752页

作者： Marcelo de Lima Oliveira Daniel Silva de Azevedo Milena Krajnyk de Azevedo Ricardo de carvalho Nogueira Manoel Jacobsen teixeira Edson Bor-Seng-Shu Division of Neurological Surgery Hospital das ClinicasSchool of MedicineUniversity of Sao Paulo

Subarachnoid hemorrhage is frequently associated with poor prognoses. Three different hemo- dynamic phases were identified during subarachnoid hemorrhage： oligemia, hyperemia, and vasospasm. Each phase is associated with brain metabolic changes. In this review, we correlated the hemodynamic phases with brain metabolism and potential treatment options in the hopes of improving patient prognoses.

关键词： hemodynamic phases cerebral subarachnoid hemorrhage metabolic crises

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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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