Vascular endothelial growth factor and KIT expression in relation with microvascular density and tumor grade in supratentorial astrocytic tumors.
Acta Cir Bras
; 28(1): 48-54, 2013 Jan.
Article
em En
| MEDLINE
| ID: mdl-23338113
PURPOSE: To evaluate the relationship between microvascular density and the expression of vascular endothelial growth factor (VEGF) and KIT as possible markers of angiogenic stimulus in astrocytic tumors and correlate it with histopathological grading. METHODS: We enrolled 99 surgical specimens of supratentorial astrocytic tumors for analysis of VEGF and KIT and subsequent correlation with MVD and grading. RESULTS: KIT and VEGF expression correlated with microvascular density (p<0.005) and both VEGF and microvascular density correlated with grading (p<0.005). KIT had no significant relationship with grading (p=0.657). CONCLUSION: KIT and VEGF constitute important pathways in the angiogenesis of astrocytomas and therefore are promising prognostic tools and options for therapeutic intervention.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Astrocitoma
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Neoplasias Supratentoriais
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Biomarcadores Tumorais
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Proteínas Proto-Oncogênicas c-kit
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Fator A de Crescimento do Endotélio Vascular
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Neovascularização Patológica
Tipo de estudo:
Evaluation_studies
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Observational_studies
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Prognostic_studies
Limite:
Adult
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Aged
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Female
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Humans
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Male
Idioma:
En
Revista:
Acta Cir Bras
Ano de publicação:
2013
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil