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In Vitro Model of Coronary Angiogenesis
Published on: March 10, 2020
Las arterias coronarias se forman por la reprogramación del desarrollo de las células venosas
Kristy Red-Horse1, Hiroo Ueno, Irving L Weissman
1Department of Biochemistry and Howard Hughes Medical Institute, Stanford, California 94305-5307, USA.
Nature
|March 26, 2010
Resumen
Los vasos coronarios se originan en el seno venoso del corazón embrionario. Estas células venosas se reprograman en arterias y capilares, ofreciendo información sobre enfermedades cardíacas y regeneración.
Área de la Ciencia:
- Biología del desarrollo Biología del desarrollo.
- Ciencias cardiovasculares Ciencias cardiovasculares
- La medicina regenerativa es una medicina regenerativa.
Sus antecedentes:
- La enfermedad de las arterias coronarias (CAD) es un problema de salud mundial importante.
- Los orígenes del desarrollo de las arterias coronarias no se comprenden completamente.
- Comprender el desarrollo de la arteria coronaria puede revelar nuevos objetivos terapéuticos para la CAD.
Objetivo del estudio:
- Para aclarar el origen del desarrollo de las arterias coronarias.
- Para investigar los mecanismos celulares que subyacen a la formación de vasos coronarios.
- Identificar vías potenciales para la regeneración cardíaca.
Principales métodos:
- Análisis histológico en modelos de ratón.
- Análisis clonal para rastrear linajes celulares.
- Técnicas de cultivo de órganos cardíacos.
Principales resultados:
- Los vasos coronarios surgen de brotes angiogénicos que se originan en el seno venoso.
- Las células endoteliales venosas se desdiferencian durante la migración al miocardio.
- Las células migratorias se diferencian en arterias y capilares, mientras que las células superficiales se convierten en venas.
Conclusiones:
- Las células venosas diferenciadas poseen plasticidad del desarrollo.
- Las señales cardíacas inducen la desdiferenciación y la conversión de las células venosas en vasos coronarios.
- Este proceso de reprogramación ofrece potencial para la ingeniería de injertos de derivación coronaria y la revascularización cardíaca.
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