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Gene expression profile at single cell level of Bronchoalveolar Lavage fluid (BALF) cells from mice

ABSTRACT: Gene expression profile at single cell level of Bronchoalveolar Lavage fluid (BALF) cells from mice

PROVIDER: PRJNA875385 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21375727_1.fastq.gz	Fastqsanger.gz
	SRR21375727_2.fastq.gz	Fastqsanger.gz
	SRR21375728_1.fastq.gz	Fastqsanger.gz
	SRR21375728_2.fastq.gz	Fastqsanger.gz
	SRR21375729_1.fastq.gz	Fastqsanger.gz

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Project description:Background: Sarcoidosis and idiopathic pulmonary fibrosis (IPF) are two most frequent forms of interstitial lung diseases (ILDs). Cellular and biochemical composition of bronchoalveolar lavage fluid (BALf) was shown to reflect the proliferative and fibrotic changes in the local environment in the lung. However, the usefulness of BALf cellular profile evaluation in the diagnosis of ILDs is limited. The aim of the study was a multivariate, molecular, comparative analysis of BALf cells from IPF and sarcoidosis patients. Methods: Transcriptomic measurements were carried out using Affymetrix Human Gene 2.1 ST ArrayStrip in 21 samples: 9 IPF and 12 sarcoidosis. The mRNA expression for the most significantly differentiating genes was evaluated by real time PCR in 32 samples (11 IPF and 21 sarcoidosis). Results: The number of genes differentially expressed between IPF and sarcoidosis groups were 4832 (13359 probesets). Our cluster analysis indicated that sarcoidosis BALf cells are characterized by increased mRNA expression of genes associated with ribosome biogenesis, transcription machinery. Clusters formed by genes with changed mRNA expression in IPF samples were implicated in the processes of cell adhesion and migration, metalloproteinase expression and negative regulation of cell proliferation. PCR verification showed higher expression of ANK3 in the sarcoidosis compared to the IPF group, and higher expression of MMP7 and PPBP in patients with IPF. The GO analysis indicated that predominant biological processes associated with the differential mRNA gene expression of BALf cells were upregulation of neutrophils in IPF and lymphocytes in sarcoidosis. Conclusions: Analysis of BALf from sarcoidosis and IPF showed highly different mRNA profile of cells present in bronchoalveolar compartment and provided new data on the pathobiology of these ILDs. The changes of most important biological processes observed at the molecular level in BALf cells were associated with ribosome biogenesis and proteasome apparatus in sarcoidosis and neutrophilic dysfunction in IPF.

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Gene expression profile at single cell level of Bronchoalveolar Lavage fluid (BALF) cells from mice

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