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

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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