YWHAG promotes the progression of lung adenocarcinoma through the JAK2/STAT3 pathway.

IF 5.3 2区 医学 Q1 ONCOLOGY
Hongmei Zheng, Yaoxiang Tang, Hongjing Zang, Jiadi Luo, Hanqiong Zhou, Ying Zou, Jinwu Peng, Songqing Fan
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引用次数: 0

Abstract

YWHAG, also known as 14-3-3-γ, is one of the 14-3-3 isoforms. It can recognize phosphothreonine/phosphoserine residues and plays a critical role in regulating cellular metabolism, signal transduction, the cell cycle, and apoptosis. This study aims to elucidate the specific roles of YWHAG in Lung adenocarcinoma (LUAD). The mRNA expression of YWHAG was upregulated in LUAD and could serve as a potential predictive biomarker for prognosis and therapeutic efficacy, particularly in response to cisplatin, paclitaxel, docetaxel, and erlotinib. Additionally, the YWHAG protein was expressed at higher levels in LUAD tissues with poor differentiation and lymph node metastasis, and it was identified as an independent prognostic factor. Functional assays revealed that silencing YWHAG inhibited the proliferation and migration of lung cancer cells, while promoting apoptosis. Gene Set Enrichment Analysis (GSEA) identified that YWHAG was involved in several key pathways, including mTOR signaling, unfolded protein response, MYC targets and JAK/STAT3 signaling. Western blot analysis revealed that knockdown of YWHAG reduced the expression of p-JAK2 and p-STAT3. In conclusion, our findings suggest that YWHAG could serve as an attractive prognostic biomarker and a potential marker for drug response. Moreover, our study highlights that YWHAG exerts its oncogenic function through the JAK2/STAT3 signaling pathway, offering new insights into potential therapeutic strategies for LUAD.

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来源期刊
CiteScore
10.90
自引率
1.70%
发文量
360
审稿时长
1 months
期刊介绍: Cancer Cell International publishes articles on all aspects of cancer cell biology, originating largely from, but not limited to, work using cell culture techniques. The journal focuses on novel cancer studies reporting data from biological experiments performed on cells grown in vitro, in two- or three-dimensional systems, and/or in vivo (animal experiments). These types of experiments have provided crucial data in many fields, from cell proliferation and transformation, to epithelial-mesenchymal interaction, to apoptosis, and host immune response to tumors. Cancer Cell International also considers articles that focus on novel technologies or novel pathways in molecular analysis and on epidemiological studies that may affect patient care, as well as articles reporting translational cancer research studies where in vitro discoveries are bridged to the clinic. As such, the journal is interested in laboratory and animal studies reporting on novel biomarkers of tumor progression and response to therapy and on their applicability to human cancers.
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