Migration of dorsal aorta mesenchymal stem cells induced by mouse embryonic circulation.
Dev Dyn
; 240(1): 65-74, 2011 Jan.
Article
en En
| MEDLINE
| ID: mdl-21089075
ABSTRACT
Mesenchymal stem cells (MSCs) represent powerful tools for regenerative medicine for their differentiation and migration capacity. However, ontogeny and migration of MSCs in mammalian mid-gestation conceptus is poorly understood. We identified canonical MSCs in the mouse embryonic day (E) 11.5 dorsal aorta (DA). They possessed homogenous immunophenotype (CD45(-)CD31(-)Flk-1(-)CD44(+)CD29(+)), expressed perivascular markers (α-SMA(+)NG2(+)PDGFRß(+)PDGFRα(+)), and had tri-lineage differentiation potential (osteoblasts, adipocytes, and chondrocytes). Of interest, MSCs were also detected in E12.5-E13.5 embryonic circulation, 24 hr later than in DA, suggesting migration like hematopoietic stem cells. Functionally, E12.5 embryonic blood could trigger efficient migration of DA-MSCs through platelet-derived growth factor (PDGF) receptor-, transforming growth factor-beta receptor-, but not basic fibroblast growth factor receptor-mediated signaling. Moreover, downstream JNK and AKT signaling pathway played important roles in embryonic blood- or PDGF-mediated migration of DA-derived MSCs. Taken together, these results revealed that clonal MSCs developed in the mouse DA. More importantly, the embryonic circulation, in addition to its conventional transporting roles, could modulate migration of MSC during early embryogenesis.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Aorta
/
Movimiento Celular
/
Circulación Placentaria
/
Embrión de Mamíferos
/
Células Madre Mesenquimatosas
Tipo de estudio:
Prognostic_studies
Límite:
Animals
/
Pregnancy
Idioma:
En
Revista:
Dev Dyn
Asunto de la revista:
ANATOMIA
Año:
2011
Tipo del documento:
Article
País de afiliación:
China