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Proteomic and transcriptomic analysis of lung tissue in OVA-challenged mice.

ABSTRACT: Asthma is a long term inflammatory disease of the airway of lungs characterized by variable airflow obstruction and bronchospasm. Asthma is caused by a complex combination of environmental and genetic interactions. In this study, we conducted proteomic analysis of samples derived from control and OVA challenged mice for environmental respiratory disease by using 2-D gel electrophoresis. In addition, we explored the genes associated with the environmental substances that cause respiratory disease and conducted RNA-seq by next-generation sequencing. Proteomic analysis revealed 7 up-regulated (keratin KB40, CRP, HSP27, chaperonin containing TCP-1, TCP-10, keratin, and albumin) and 3 down-regulated proteins (PLC-?, PLA2, and precursor ApoA-1). The expression diversity of many genes was found in the lung tissue of OVA challenged moue by RNA-seq. 146 genes were identified as significantly differentially expressed by OVA treatment, and 118 genes of the 146 differentially expressed genes were up-regulated and 28 genes were downregulated. These genes were related to inflammation, mucin production, and airway remodeling. The results presented herein enable diagnosis and the identification of quantitative markers to monitor the progression of environmental respiratory disease using proteomics and genomic approaches.

SUBMITTER: Lee Y

PROVIDER: S-EPMC5770490 | biostudies-literature | 2018 Jan

REPOSITORIES: biostudies-literature

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Proteomic and transcriptomic analysis of lung tissue in OVA-challenged mice.

Lee Yongjin Y Hwang Yun-Ho YH Kim Kwang-Jin KJ Park Ae-Kyung AK Paik Man-Jeong MJ Kim Seong Hwan SH Lee Su Ui SU Yee Sung-Tae ST Son Young-Jin YJ

Archives of pharmacal research 20171030 1

Asthma is a long term inflammatory disease of the airway of lungs characterized by variable airflow obstruction and bronchospasm. Asthma is caused by a complex combination of environmental and genetic interactions. In this study, we conducted proteomic analysis of samples derived from control and OVA challenged mice for environmental respiratory disease by using 2-D gel electrophoresis. In addition, we explored the genes associated with the environmental substances that cause respiratory disease ...[more]

PMID: 29086354

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Project description:PurposeThe Hippo signaling pathway participates in the restriction of cell proliferation and organ growth. Activated macrophages have been implicated in the pathogenesis of allergic asthma. Recent studies have shown that Hippo signaling pathway may also be involved in the regulation of asthma. However, the link between Hippo signaling pathway and macrophages in the context of allergic asthma has not been investigated. The purpose of this study was to explore the link between Hippo signaling pathway and macrophages using a mice model of OVA-induced allergic asthma.MethodsMice models of asthma were established. Lung tissues were collected from mice and pooled for mRNA sequencing and bioinformatics analysis. The relative mRNA expression of Hippo signalling pathway-related proteins Yap1, Lef1 and Ctgf was also measured. Double immunofluorescence staining was performed on lung tissues to evaluate macrophage marker F4/80 expression and Yap1/Lef1/Ctgf expression.ResultsResults of the RNA-Seq of lung tissues demonstrated that the Hippo signaling pathway was down-regulated in OVA-induced allergic asthma. Using the cytoHubba tool kits in Cytoscape, the following top 10 hub genes of Hippo signalling pathway were identified: Yap1, Lef1, Ctgf, Ccnd1, Axin2, Smad7, Wnt4, Wnt3a, Pard6b, and Wwc1. Using the seq-ImmuCC (http://218.4.234.74:3200/immune/), a negative correlation was found between macrophages and Hippo signaling pathway activity (R2 = 0.93). The mRNA expression levels of pulmonary Yap1, Lef1, and Ctgf were down-regulated in the mice model of OVA-induced allergic asthma. Moreover, double-stained immunofluorescence for F4/80 and Yap1, Lef1, Ctgf in mouse lung sections respectively revealed that macrophage proliferation was correlated with downregulation of the Hippo signaling pathway in the mice model of OVA-induced allergic asthma.ConclusionThese results demonstrated that the Hippo signaling pathway was down-regulated in asthma mice, and the proliferation of macrophages was associated with downregulation of the Hippo signaling pathway. These findings reveal novel insights into the pathogenesis and treatment of asthma.

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Proteomic and transcriptomic analysis of lung tissue in OVA-challenged mice.

Publications

Proteomic and transcriptomic analysis of lung tissue in OVA-challenged mice.

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