OTX1 and OTX2 Genes in Medulloblastoma

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art_MUOIO_OTX1_and_OTX2_Genes_in_Medulloblastoma_2019.PDF (571.36 KB)
Citações na Scopus
11
Tipo de produção
article
Data de publicação
2019
DOI
Scopus
Web of Science
PubMed
Título da Revista
ISSN da Revista
Título do Volume
Editora
ELSEVIER SCIENCE INC
Autores
CLARA, Carlos
Citação
WORLD NEUROSURGERY, v.127, p.E58-E64, 2019
Projetos de Pesquisa
Unidades Organizacionais
Fascículo
Resumo
OBJECTIVE: To study the prevalence of OTX1 and OTX2 gene expression in 60 medulloblastoma specimen samples and to establish correlations between gene expression and clinical and histopathological aspects. METHODS: We performed a retrospective analysis of 60 patients with a diagnosis of medulloblastoma at the Clinicas Hospital of the School of Medicine, University of Sao Paulo, and the Cancer Hospital of Barretos. We created a database of the 60 patients containing information on the gene expression of OTX1 and OTX2 (obtained using realtime polymerase chain reaction) and clinical and epidemiological data. Statistical tests were performed to verify potential correlations of clinicopathological data and follow-up aspects with gene expression. RESULTS: The OTX1 gene was expressed in 52% of the study population. Expression varied with age (higher in adults), location (predominantly by hemisphere), and histological type (desmoplastic). The OTX2 gene was expressed in 62% of the study population. Expression varied with age (higher in younger age groups), location (predominantly vermis), and histological type (classic and anaplastic). A statistical correlation between OTX2 gene expression and the development of leptomeningeal metastases was observed. CONCLUSIONS: The relative expression of OTX1 and OTX2 was dependent on patient age, tumor location, and histological variant. In addition, OTX2 expression might be a predictive factor for leptomeningeal metastases of medulloblastoma. The OTX pathway should be consider as an important venue for medulloblastomas development.
Palavras-chave
Classic, Desmoplastic, Medulloblastoma, OTX1 gene, OTX2 gene
URI
https://observatorio.fm.usp.br/handle/OPI/33119
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Coleções
Artigos e Materiais de Revistas Científicas - FM/MNE
Artigos e Materiais de Revistas Científicas - HC/ICESP
Artigos e Materiais de Revistas Científicas - HC/ICHC
Artigos e Materiais de Revistas Científicas - LIM/15
Artigos e Materiais de Revistas Científicas - LIM/24
Artigos e Materiais de Revistas Científicas - ODS/03