ArticleCancer medicine2024
MCM8 promotes gastric cancer progression through RPS15A and predicts poor prognosis.
Article in Cancer medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Silencing TMED2 suppresses cell growth and tumor progression in diffuse large B-cell lymphoma via inducing G0/G1 cell cycle arrest.Frontiers in oncology · 2026Article
- FOXM1 upregulation, promotes immune escape in gastric cancer through activation of Notch signaling pathway.Molecular and cellular biochemistry · 2025Article
- EP300 Modulates MCM8 Transcription and Augments the Malignant Phenotype of Hepatitis B Virus-Positive Hepatocellular Carcinoma Cells.The Kaohsiung journal of medical sciences · 2025Article
- MCM8 promotes gastric cancer progression through RPS15A and predicts poor prognosis.Cancer medicine · 2024Article
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14 authors.
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Abstract
backgroundGastric cancer (GC) is the fourth leading cause of cancer-related death worldwide. Minichromsome maintenance proteins family member 8 (MCM8) assists DNA repair and DNA replication. MCM8 exerts tumor promotor function in multiple digestive system tumors. MCM8 is also considered as a potential cancer therapeutic target.
methodsBioinformatics methods were used to analyze MCM8 expression and clinicopathological significance. MCM8 expression was detected by immunohistochemistry (IHC) staining and qRT-PCR. MCM8 functions in GC cell were explored by Celigo cell counting, colony formation, wound-healing, transwell, and annexin V-APC staining assays. The target of MCM8 was determined by human gene expression profile microarray. Human phospho-kinase array kit evaluated changes in key proteins after ribosomal protein S15A (RPS15A) knockdown. MCM8 functions were reassessed in xenograft mouse model. IHC detected related proteins expression in mouse tumor sections.
resultsMCM8 was significantly upregulated and predicted poor prognosis in GC. High expression of MCM8 was positively correlated with lymph node positive (p < 0.001), grade (p < 0.05), AJCC Stage (p < 0.001), pathologic T (p < 0.01), and pathologic N (p < 0.001). MCM8 knockdown inhibited proliferation, migration, and invasion while promoting apoptosis. RPS15A expression decreased significantly after MCM8 knockdown. It was also the only candidate target, which ranked among the top 10 downregulated differentially expressed genes (DEGs) in sh-MCM8 group. RPS15A was identified as the target of MCM8 in GC. MCM8/RPS15A promoted phosphorylation of P38α, LYN, and p70S6K. Moreover, MCM8 knockdown inhibited tumor growth, RPS15A expression, and phosphorylation of P38α, LYN, and p70S6K in vivo.
conclusionsMCM8 is an oncogene and predicts poor prognosis in GC. MCM8/RPS15A facilitates GC progression.
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