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MiR-18a Inhibits PI3K/AKT Signaling Pathway to Regulate PDGF BB-Induced Airway Smooth Muscle Cell Proliferation and Phenotypic Transformation
W. Yang, Y. Chen, C. Huang, W. Wang, C. Huang, Y. Li
Jazyk angličtina Země Česko
Typ dokumentu časopisecké články
Free Medical Journals od 1998
PubMed Central od 2020
ProQuest Central od 2005-01-01
Medline Complete (EBSCOhost) od 2006-01-01
Nursing & Allied Health Database (ProQuest) od 2005-01-01
Health & Medicine (ProQuest) od 2005-01-01
ROAD: Directory of Open Access Scholarly Resources od 1998
Odkazy
PubMed
34717064
DOI
10.33549/physiolres.934753
Knihovny.cz E-zdroje
- MeSH
- becaplermin metabolismus MeSH
- bronchiální astma metabolismus MeSH
- dospělí MeSH
- fosfatidylinositol-3-kinasy metabolismus MeSH
- lidé středního věku MeSH
- lidé MeSH
- mikro RNA metabolismus MeSH
- mladiství MeSH
- mladý dospělý MeSH
- myocyty hladké svaloviny fyziologie MeSH
- protoonkogenní proteiny c-akt metabolismus MeSH
- remodelace dýchacích cest * MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- signální transdukce MeSH
- studie případů a kontrol MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mladiství MeSH
- mladý dospělý MeSH
- mužské pohlaví MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
The increased proliferation and migration of airway smooth muscle cells (ASMCs) is a key process in the formation of airway remodeling in asthma. In this study, we focused on the expression of mircoRNA-18a (miR-18a) in airway remodeling in bronchial asthma and its related mechanisms. ASMCs are induced by platelet-derived growth factor BB (PDGF-BB) for in vitro airway remodeling. The expression of miR-18a in sputum of asthmatic patients and healthy volunteers was detected by qRT-PCR. The expression of miR-18a was over-expressed or interfered with in PDGF-BB-treated ASMCs. Cell proliferation, apoptosis and migration were detected by MTT, flow cytometry and Transwell, respectively; the expression of contractile phenotype marker proteins (SM-22?, ?-SM-actin, calponin) and key molecules of the phosphatidylinositol 3-kinase (PI3K)/AKT pathway (PI3K, p-PI3K, AKT and p-AKT) in ASMCs were detected by Western blot. The expression of miR-18a was down-regulated in the sputum and PDGF-BB-treated ASMCs of asthma patients. PDGF-BB could promote the proliferation and migration of ASMCs and inhibit their apoptosis; it could also promote the phenotypic transformation of ASMCs and activate the PI3K/AKT pathway. MiR-18a could inhibit the proliferation, migration ability and phenotypic transformation of ASMCs induced by PDGF-BB to a certain extent and alleviate the effect of PDGF-BB in supressing apoptosis, while miR-18a could inhibit the activation of the PI3K/AKT pathway. MiR-18a inhibits PDGF-BB-induced proliferation, migration and phenotypic conversion of ASMCs by inhibiting the PI3K/AKT pathway, thus attenuating airway remodeling in asthma.
Department of Pediatrics Guangdong Women's and Children's Hospital Guangzhou China
Department of Pediatrics Longgang District Maternity and Child Healthcare Hospital Shenzhen China
Department of Pediatrics The 1st Affiliated Hospital Jinan University Guangzhou China
Department of Pediatrics The 2nd Affiliated Hospital of Shenzhen University Shenzhen China
Department of Respiratory Medicine Shenzhen Children's Hospital Shenzhen China
Department of Respiratory Medicine The 2nd Affiliated Hospital of Shenzhen University Shenzhen China
Literatura
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- $a The increased proliferation and migration of airway smooth muscle cells (ASMCs) is a key process in the formation of airway remodeling in asthma. In this study, we focused on the expression of mircoRNA-18a (miR-18a) in airway remodeling in bronchial asthma and its related mechanisms. ASMCs are induced by platelet-derived growth factor BB (PDGF-BB) for in vitro airway remodeling. The expression of miR-18a in sputum of asthmatic patients and healthy volunteers was detected by qRT-PCR. The expression of miR-18a was over-expressed or interfered with in PDGF-BB-treated ASMCs. Cell proliferation, apoptosis and migration were detected by MTT, flow cytometry and Transwell, respectively; the expression of contractile phenotype marker proteins (SM-22?, ?-SM-actin, calponin) and key molecules of the phosphatidylinositol 3-kinase (PI3K)/AKT pathway (PI3K, p-PI3K, AKT and p-AKT) in ASMCs were detected by Western blot. The expression of miR-18a was down-regulated in the sputum and PDGF-BB-treated ASMCs of asthma patients. PDGF-BB could promote the proliferation and migration of ASMCs and inhibit their apoptosis; it could also promote the phenotypic transformation of ASMCs and activate the PI3K/AKT pathway. MiR-18a could inhibit the proliferation, migration ability and phenotypic transformation of ASMCs induced by PDGF-BB to a certain extent and alleviate the effect of PDGF-BB in supressing apoptosis, while miR-18a could inhibit the activation of the PI3K/AKT pathway. MiR-18a inhibits PDGF-BB-induced proliferation, migration and phenotypic conversion of ASMCs by inhibiting the PI3K/AKT pathway, thus attenuating airway remodeling in asthma.
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