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Unidad de tejidos: las células pulmonares se unen para impulsar el desarrollo de macrófagos alveolares

Charlotte L Scott¹, Martin Guilliams²

¹Laboratory of Myeloid Cell Ontogeny and Functional Specialization, VIB-UGent Centre for Inflammation Research, Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium; Institute of Infection, Immunity and Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, UK.

|November 3, 2018

Resumen

Los investigadores mapearon las interacciones célula-célula durante el desarrollo pulmonar utilizando secuenciación de ARN de una sola célula. Identificaron un posible diálogo cruzado entre las células epiteliales pulmonares, las ILC2, los basófilos y los macrófagos en desarrollo.

Área de la Ciencia:

Pulmonología
Inmunología
Biología del desarrollo

Sus antecedentes:

Los macrófagos alveolares son cruciales para la homeostasis pulmonar y la inmunidad.
Comprender su desarrollo requiere conocimientos sobre la comunicación celular dentro del microambiente pulmonar.

Objetivo del estudio:

Mapear las interacciones entre células candidatas durante el desarrollo de macrófagos alveolares en el pulmón.
Para identificar tipos específicos de células involucradas en esta conversación cruzada de desarrollo.

Principales métodos:

Se empleó secuenciación de ARN unicelular (scRNA-seq) en el desarrollo de tejidos pulmonares.
El análisis se centró en las poblaciones de células inmunes y no inmunes.
Se realizaron experimentos de validación in vitro y in vivo.

Principales resultados:

scRNA-seq identificó posibles interacciones entre las células epiteliales, las células linfoides innatas tipo 2 (ILC2), los basófilos y los macrófagos en desarrollo.
Se destacaron las vías de señalización candidatas que median este diálogo cruzado.
Los estudios in vitro e in vivo confirmaron las interacciones clave.

Conclusiones:

El estudio aclara nuevas redes de comunicación celular críticas para el desarrollo de macrófagos alveolares.
Las interacciones identificadas proporcionan una base para comprender el desarrollo y la función de las células inmunes pulmonares.
Los hallazgos ofrecen posibles objetivos terapéuticos para enfermedades pulmonares que involucran disfunción de los macrófagos.

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