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Monday, July 21, 2008

NEW VESSELS to OVERCOME INFARCTS.


It seems that vascular obstructions (thrombus, embolisms), that cause human deadly heart and brain attacks, are on track to be resolved successfully. Joyce Bischoff and his team have managed to build extensive networks of capillary blood vessels in mice (in one week), to which they infused mixtures of progenitors-cells: endotelial and mesenchimal (adyacent to lumen, capillary tissue). The interesting thing is that progenitors cells can be obtained from bone marrow, peripheral blood and cord blood. For years, bioenginers manufactured bladders, intestines and partial livers. Now that will be posible to add the capillary networks to the referred organs.

NEOCAPILARES CONTRA INFARTOS

Parece que las obstrucciones (trombos, embolias), vasculares humanas causantes de letales infartos cerebrales, cardiacos, etc, van camino a ser solucionadas con éxito. Joyce Bischoff y su equipo han logrado construir en 7 dias, extensas redes de vasos sanguineos capilares en ratones a los que infundieron mezclas de células progenitoras : endoteliales (intima) y mesenquimatosas (tejido capilar adyacente). Lo interesante es que las células progenitoras pueden ser obtenidas de médula osea, sangre periférica y cordón umbilical. Desde hace años, bioingenieros fabrican vejigas, intestinos y porciones hepáticas. Ahora que es posible construir vasos capilares solo bastará añadirlos en forma coherente a los órganos referidos.

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