ArticleChild's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery2012
Prognostic significance of neuronal marker expression in glioblastomas.
Article in Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery, 2012. 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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4 citing papers in PubMed.
- Novel GABAAR antagonists target networked gene hubs at the leading edge in high-grade gliomas.Neuro-oncology · 2025Article
- Aberrant neuronal differentiation is common in glioma but is associated neither with epileptic seizures nor with better survival.Scientific reports · 2018Article
- An Experimental Infarct Targeting the Internal Capsule: Histopathological and Ultrastructural Changes.Journal of pathology and translational medicine · 2017Article
- Subclassification of newly diagnosed glioblastomas through an immunohistochemical approach.PloS one · 2014Article
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8 authors.
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Abstract
purposeGlioblastomas are the most malignant tumors of central nervous system neoplasms and are well known for their biological heterogeneity. Contrary to the putative hypothesis of purely glial differentiation in glioblastomas, they often demonstrate immunopositivity for neuronal markers. However, the significance of their neuronal marker expression is still controversial. To evaluate the prognostic implication of neuronal expression in glioblastoma, this study investigated the expression of neuronal markers in a large series of glioblastoma patients in terms of patient survival rate.
methodsExpression of synaptophysin, neurofilament protein, and NeuN was explored using immunohistochemistry in 88 cases of glioblastoma. Clinicopathological variables as well as patients' survival data were compared according to the immunopositivity of cases.
resultsSixty-one of the 88 tumors (69.3 %) were positive for at least one neuronal marker. Synaptophysin positivity was observed in 43 cases (48.9 %). Neurofilament protein and NeuN were positive in 38 (43.2 %) and 42 cases (47.7 %), respectively. There was no statistically significant difference in overall survival and progression-free survival in association with neuronal marker expression. However, gross total removal or combined radiotherapy and chemotherapy significantly prolonged survival (P=0.041 and 0.044). Cox's proportional hazard model revealed that NeuN expression was the independent prognostic factors in progression-free survival (P=0.012).
conclusionsAlthough the correlation of neuronal marker expression and clinical outcome in glioblastoma is of considerable interest, the presented data support the limited prognostic value of neuronal marker expression in glioblastoma.
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