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IL-13 Induces Periostin and Eotaxin Expression in Human Primary Alveolar Epithelial Cells: Comparison With Paired Airway Epithelial Cells

IL-13 Induces Periostin and Eotaxin Expression in Human Primary Alveolar Epithelial Cells: Comparison With Paired Airway Epithelial Cells

Yoko Ito, Reem Al Mubarak, Nicole Roberts, Kelly Correll, William Janssen, James Finigan, Rangnath Mishra, Hong Wei Chu

PLoS One. 2018 Apr 19;13(4):e0196256.

PMID: 29672593

Abstract:

Alveolar epithelial cells are critical to the pathogenesis of pulmonary inflammation and fibrosis, which are associated with overexpression of type 2 cytokine IL-13. IL-13 is known to induce the production of profibrotic (e.g., periostin) and pro-inflammatory (e.g., eotaxin-3) mediators in human airway epithelial cells, but it remains unclear if human primary alveolar epithelial cells increase periostin and eotaxin expression following IL-13 stimulation. The goals of this study are to determine if alveolar epithelial cells increase periostin and eotaxin expression upon IL-13 stimulation, and if alveolar and airway epithelial cells from the same subjects have similar responses to IL-13. Paired alveolar and airway epithelial cells were isolated from donors without any lung disease, and cultured under submerged or air-liquid interface conditions with or without IL-13. Up-regulation of periostin protein and mRNA was observed in IL-13-stimulated alveolar epithelial cells, which was comparable to that in IL-13-stimulated paired airway epithelial cells. IL-13 also increased eotaxin-3 expression in alveolar epithelial cells, but the level of eotaxin mRNA was lower in alveolar epithelial cells than in airway epithelial cells. Our findings demonstrate that human alveolar epithelial cells are able to produce periostin and eotaxin in responses to IL-13 stimulation. This study suggests the need to further determine the contribution of alveolar epithelial cell-derived mediators to pulmonary fibrosis.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
IAR4248662	Eotaxin human			Price

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