Virus de la reticuloendoteliosis aviar: identificación de la célula diana hematopoyética para la transformación
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Updated: Aug 14, 2026

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Retroviral Infection of Murine Embryonic Stem Cell Derived Embryoid Body Cells for Analysis of Hematopoietic Differentiation
Published on: October 20, 2014
Resumen
El virus de la reticuloendoteliosis tipo T (REV-T) transforma las células de pollo in vitro, causando una reticuloendoteliosis letal después de la inoculación. Este estudio identifica las células linfoides inmaduras que expresan los determinantes de las células B como objetivos REV-T preferidos.
Área de la Ciencia:
- Virología Virología.
- Oncología Oncología.
- Inmunología Inmunología.
Sus antecedentes:
- El virus de la reticuloendoteliosis tipo T (REV-T) es un virus de la leucemia aguda aviar.
- Las células diana in vivo para REV-T no han sido previamente identificadas o transformadas in vitro.
- Comprender los objetivos celulares de REV-T es crucial para la investigación del cáncer aviar.
Objetivo del estudio:
- Para demostrar la transformación in vitro de las células hematopoyéticas aviares por el REV-T.
- Para identificar los tipos específicos de células dirigidas por REV-T para la transformación.
- Para caracterizar las propiedades de las células transformadas REV-T.
Principales métodos:
- Transformación in vitro de células hematopoyéticas de pollo mediante el uso de REV-T.
- Inoculación de células transformadas en pollos histocompatibles para evaluar la tumorigenicidad.
- Análisis de la morfología celular, la expresión de proteínas virales y los marcadores de la superficie celular (transferasa deoxinucleotidilo terminal, determinantes de las células bursales, inmunoglobulina mu).
Principales resultados:
- REV-T transformó las células hematopoyéticas no productoras de virus in vitro.
- Estas células transformadas indujeron la reticuloendoteliosis letal en pollos.
- Las células transformadas exhibieron morfología linfoblastoide, baja actividad de la transferasa deoxinucleotidilo terminal y determinantes de células bursales expresados; un clon sintetizó inmunoglobulina mu.
- Las células transformadas no requerían funciones de virus auxiliares.
Conclusiones:
- Las células transformadas in vitro por REV-T pueden inducir enfermedades letales, confirmándolas como tumorígenas.
- Las células linfoides inmaduras que expresan determinantes de células B son los objetivos preferidos para la transformación REV-T.
- Se propone que la secuencia de transformación única de REV-T sea designada rel (linfoide).
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