ArticleBMC cancer2026
Identification and validation of an endoplasmic reticulum stress related model to predict prognosis and tumor microenvironment in neuroblastoma.
Article in BMC cancer, 2026. 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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Abstract
backgroundThis study investigated endoplasmic reticulum(ER) stress mechanisms in Neuroblastoma(NB) progression using bioinformatics and experimental validation.
methodsUsing GSE49710 and E-MTAB-8248 datasets, ER stress related genes(ERSRGs) were analyzed. Consensus clustering identified ER stress related subtypes(ERSRsubtype). Integrated bioinformatic analyses identified key hub genes, dysregulated biological pathways, and significant alterations in immune cell infiltration within the studied context. A prognostic model was constructed via least absolute shrinkage and selection operator(LASSO)/multivariate regression and validated across multiple datasets. Drug sensitivity and microenvironment differences were assessed. Lentiviral knockdown, Cell Counting Kit-8(CCK8), 5-Ethynyl’-2-deoxyuridine(EdU), and Transwell assays evaluated HIST1H1B’s roles in NB cell lines.
result173 prognosis-linked ERSRGs were identified. The samples were stratified into two ERSRsubtypes with distinct prognoses. We obtained 4 hub genes and multiple differentially expressed pathways in the two subtypes. The ER stress related model accurately predicted survival. High-risk patients showed altered immune infiltration(8 cell types) and 149 differentially effective drugs(18 more effective in high-risk NB). HIST1H1B, upregulated in MYCN-amplified NB, enhanced proliferation, migration, and invasion of NB.
conclusionERSRsubtypes were associated with NB prognosis and tumor microenvironment(TME) heterogeneity. The prognostic model and key genes identified provide crucial insights into ER stress mechanisms, offering potential targets for therapy and aiding in risk stratification and treatment strategy formulation.
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