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The silencing of lnc-NONHSAT071210 suppresses the proliferation, fibrosis, migration, and invasion of TGFβ1-treated lung epithelial cells.

ABSTRACT: Pulmonary fibrosis, which is a frequent manifestation of connective tissue disease (CTD), is a leading cause of morbidity and mortality. However, the role of long non-coding ribonucleic acids (lncRNAs) in CTD-associated pulmonary fibrosis requires clarification. This study sought to examine the effects of lnc-NONHSAT071210 on the phenotypes of transforming growth factor β1 (TGFβ1)-treated lung epithelial cells. The GeneChip was used to identify differentially expressed lncRNAs in CTD-associated pulmonary fibrosis patients. After lnc-NONHSAT071210 was knocked down in the TGFβ1-challenged lung epithelial cells, cell viability, cell cycle, migration, and invasion were estimated by Cell Counting Kit-8 assays, a flow cytometry analysis, wound-healing assays, and transwell assays, respectively. The expression and levels of the fibrosis-associated factors were examined by enzyme-linked immunosorbent assays, RT-qPCR, and western blots. The expression of the top 7 most significantly upregulated lncRNAs in the CTD-associated pulmonary fibrosis patients was depicted in a heat map and examined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR). The results showed that the expression of lnc-NONHSAT071210 was significantly increased in the tissues of the CTD-associated pulmonary fibrosis patients (P<0.001). The silencing of Lnc-NONHSAT071210 suppressed proliferation, migration, and invasion in the TGFβ1-exposed alveolar epithelial cells (P<0.001). Thus, lnc-NONHSAT071210 expression was increased in the tissues of the CTD-associated pulmonary fibrosis patients and TGFβ1-treated lung epithelial cells, and TGFβ1-induced lung epithelial cell injury was alleviated by impeding the expression of lnc-NONHSAT071210.

SUBMITTER: Liu Y

PROVIDER: S-EPMC9761174 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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The silencing of lnc-NONHSAT071210 suppresses the proliferation, fibrosis, migration, and invasion of TGFβ1-treated lung epithelial cells.

Liu Yuan Y Lu Fuai F Li Xiaofen X Yang Youguo Y Yang Jianqing J

Annals of translational medicine 20221101 22

<h4>Background</h4>Pulmonary fibrosis, which is a frequent manifestation of connective tissue disease (CTD), is a leading cause of morbidity and mortality. However, the role of long non-coding ribonucleic acids (lncRNAs) in CTD-associated pulmonary fibrosis requires clarification. This study sought to examine the effects of lnc-NONHSAT071210 on the phenotypes of transforming growth factor β1 (TGFβ1)-treated lung epithelial cells.<h4>Methods</h4>The GeneChip was used to identify differentially ex ...[more]

PMID: 36544683

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Project description:Epithelial ovarian carcinoma (EOC) is the most common cause of gynecological cancer mortality, and poses a threat to women. MicroRNA‑195 (miR‑195) has been reported to induce apoptosis of human OVCAR‑3 cells by inhibiting the VEGFR2/AKT pathway. However, the role of miR‑195 in EOC remains unknown. A previous study reported that cell division cycle 42 (CDC42) can serve as a target gene of miR‑195 and mediate malignant progression of esophageal squamous cell carcinoma (ESCC). The aim of the present study was to investigate the role of miR‑195 in EOC and the regulation in CDC42/CCND1 pathway. Tissues samples and clinical materials were collected from 78 enrolled patients with EOC to analyze the expression and clinical significance of miR‑195, CDC42 and cyclin D1 (CCND1). Human EOC cell lines OVCA420, OVCAR‑3, A2780 and SKOV3 cell lines were used to assess the expression and function of miR‑195, CDC42 and CCND1 in vitro. Cell proliferation, the cell cycle and apoptosis, as well as the cell migratory and invasive abilities were detected in vitro using BrdU incorporation, colony formation, wound healing and Transwell invasion assays, along with flow cytometry. miR‑195 was downregulated, while CDC42 and CCND1 were upregulated in human EOC tissues and cells, and the aberrant expression of both was associated with increased EOC malignancy. Moreover, miR‑195 expression was negatively correlated with CDC42 and CCND1 expression levels, and negatively regulated these expression levels. Thus, it was suggested that miR‑195 functions as a tumor suppressor, but CDC42 and CCND1 act as tumor promoters based their abilities to enhance cell proliferation, cell cycle entry, migration and invasion, as well as decrease apoptosis in OVCAR‑3 cells. the present results demonstrated that miR‑195 inhibited human EOC progression by downregulating CDC42 and CCND1 expression. Furthermore, it was identified that miR‑195, CDC42 and CCND1 may be effective biomarkers for EOC diagnosis and treatment.

Dataset Information

The silencing of lnc-NONHSAT071210 suppresses the proliferation, fibrosis, migration, and invasion of TGFβ1-treated lung epithelial cells.

Publications

The silencing of lnc-NONHSAT071210 suppresses the proliferation, fibrosis, migration, and invasion of TGFβ1-treated lung epithelial cells.

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