ArticleCytotechnology2024
Up-regulation of LPCAT1 is correlated with poor prognosis and promotes tumor progression in glioblastoma.
Article in Cytotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Glioblastoma (GBM) is a cancer with high malignancy because of its rapid proliferation and high metastatic ability. LPCAT1 is reported to play a tumor-promoting role in multiple cancers, but its precise molecular mechanism in GBM remains to be further explored. We aim to explore the biological role of LPCAT1 in GBM. In this study, the expression of LPCAT1 and its correlation with clinicopathological characteristics of GBM patients were analyzed based on The Cancer Genome Atlas (TCGA) dataset. Kaplan-Meier approach was adopted for plotting survival curves for patients showing different expression levels of LPCAT1. Meanwhile, LPCAT1 expression within 50 GBM tumor tissues and 30 non-tumor clinical samples was analyzed by qRT-PCR and western blot assays, respectively. Later, LPCAT1's effect on GBM tumorigenesis was analyzed in vivo and in vitro by CCK8, EdU proliferation, clone forming, scratch, TUNEL assays, and subcutaneous xenograft experiments. As a result, LPCAT1 expression elevated within GBM tumor tissues and cells. Overexpression of LPCAT1 enhanced GBM cell growth, invasion and migration, while accelerating cell cycle progression. LPCAT1 silencing significantly inhibited cell motility and proliferation in vivo and in vitro, and arrested U251 cells at G0/G1 phase. Moreover, LPCAT1 might play a role in GBM progression by activating the p-AKT-MYC signaling pathway. LPCAT1 activated AKT, which were synchronously up-regulated MYC to accelerate cancer progression. Knockdown of LPCAT1 induced the opposite changes to repress the viability and motility of GBM cells. LPCAT1 contributed to the progression of GBM by participating in the p-AKT-MYC axis.
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