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1.
Nat Commun ; 7: 10243, 2016 Jan 06.
Artículo en Inglés | MEDLINE | ID: mdl-26732624

RESUMEN

Human induced pluripotent stem cells (hiPSCs) have potential for personalized and regenerative medicine. While most of the methods using these cells have focused on deriving homogenous populations of specialized cells, there has been modest success in producing hiPSC-derived organotypic tissues or organoids. Here we present a novel approach for generating and then co-differentiating hiPSC-derived progenitors. With a genetically engineered pulse of GATA-binding protein 6 (GATA6) expression, we initiate rapid emergence of all three germ layers as a complex function of GATA6 expression levels and tissue context. Within 2 weeks we obtain a complex tissue that recapitulates early developmental processes and exhibits a liver bud-like phenotype, including haematopoietic and stromal cells as well as a neuronal niche. Collectively, our approach demonstrates derivation of complex tissues from hiPSCs using a single autologous hiPSCs as source and generates a range of stromal cells that co-develop with parenchymal cells to form tissues.


Asunto(s)
Factor de Transcripción GATA6/farmacología , Regulación de la Expresión Génica/fisiología , Ingeniería Genética/métodos , Células Madre Pluripotentes Inducidas/efectos de los fármacos , Hígado/crecimiento & desarrollo , Diferenciación Celular , Línea Celular , Humanos
2.
F1000Res ; 3: 291, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-25653845

RESUMEN

The landscape of scientific research and funding is in flux as a result of tight budgets, evolving models of both publishing and evaluation, and questions about training and workforce stability. As future leaders, junior scientists are uniquely poised to shape the culture and practice of science in response to these challenges. A group of postdocs in the Boston area who are invested in improving the scientific endeavor, planned a symposium held on October 2 (nd) and 3 (rd), 2014, as a way to join the discussion about the future of US biomedical research. Here we present a report of the proceedings of participant-driven workshops and the organizers' synthesis of the outcomes.

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