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In Utero Intra-cardiac Tomato-lectin Injections on Mouse Embryos to Gauge Renal Blood Flow
Published on: February 4, 2015
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WT-1 se requiere para el desarrollo renal temprano
J A Kreidberg1, H Sariola, J M Loring
1Whitehead Institute for Biomedical Research Cambridge, Massachusetts 02142.
Cell
|August 27, 1993
Resumen
Las mutaciones en el gen WT-1 interrumpen el desarrollo de los riñones y las gónadas en ratones, lo que lleva a la letalidad embrionaria. Este estudio pone de relieve el WT-1
Área de la Ciencia:
- Biología del desarrollo Biología del desarrollo.
- Genética La genética.
- Biología Molecular Biología Molecular
Sus antecedentes:
- Las mutaciones de la línea germinal en el gen supresor de tumores WT-1 están relacionadas con los tumores de Wilms y las malformaciones urogenitales en humanos.
- Comprender el papel del gen WT-1 es crucial para estudiar el desarrollo urogenital y las enfermedades asociadas.
Objetivo del estudio:
- Para crear un modelo murino para investigar los mecanismos moleculares del desarrollo urogenital.
- Para aclarar la función del gen WT-1 en el desarrollo embrionario.
Principales métodos:
- Gene dirigido a células madre embrionarias para introducir una mutación en el gen WT-1 murino.
- Análisis de embriones mutantes en el día 11 de la gestación para observar defectos de desarrollo.
Principales resultados:
- Los ratones mutantes homocigotos exhibieron letalidad embrionaria.
- Los embriones mutantes mostraron un fallo en el desarrollo de los riñones y las gónadas, con apoptosis de blastema metaneférico y deterioro en el crecimiento de los brotes uretéricos.
- También se observó un desarrollo anormal del mesotelio, el corazón y los pulmones.
Conclusiones:
- WT-1 juega un papel crítico en el desarrollo urogenital temprano, incluida la formación de riñones y gónadas.
- El modelo murino proporciona información valiosa sobre la función del WT-1 y las anomalías congénitas relacionadas.
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