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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.2
- 수록면
- 211 - 218 (8page)
- DOI
- 10.1007/s13258-021-01113-z
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초록· 키워드
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Background
Lung squamous cell carcinoma (LUSC) is associated with poor clinical prognosis and lacks available targeted therapy. Given that the major threat of cancer is metastasis, delineation of the molecular mechanism underlying it would help devise therapeutic strategies.
Objective
To investigate the functional role of protocadherin alpha 3 (PCDHA3) in LUSC, as well as investigate the underlying molecular mechanism.
Methods
Data for PCDHA3 expression and clinical information in The Cancer Genome Atlas (TCGA) were extracted and analyzed in the UALCAN platform. Expression levels of PCDHA3 in LUSC cell lines were analyzed via RT-PCR and western blot. Overexpression of PCDHA3 was conducted via plasmid transfection. CCK-8 and cell cycle assays were utilized to investigate effect of PCDHA3 on cell proliferation. Transwell assay was used to detect migration and invasion. The underlying mechanism was demonstrated via western blot analysis.
Results
Our data indicate that PCDHA3 was low expressed in three kinds of LUSC cell lines and best in H520 cells. Furthermore, overexpression of PCDHA3 could significantly impair LUSC cells proliferation, invasion and migration. Moreover, PCHDA3 repressed the biomarkers of mesenchymal (N-cadherin, fibronectin and vimentin) and increased expression of epithelial markers (E-cadherin and α-catenin). On the other hand, PCDHA3 overexpression partially blocked epithelial-mesenchymal transition.
Conclusions
PCDHA3 suppressed the LUSC cells proliferation, invasion and migration via inhibiting the expression of EMT signatures, suggesting that PCDHA3 could serve as a valuable therapeutic target for LUSC therapy.
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