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Treatment Outcome and Prognostic Molecular Markers of Supratentorial Primitive Neuroectodermal Tumors.

 Seo Hee Choi  ;  Se Hoon Kim  ;  Kyu-Won Shim  ;  Jung Woo Han  ;  Junjeong Choi  ;  DongSeok Kim  ;  Chuhl Joo Lyu  ;  Jun Won Kim  ;  Chang-Ok Suh  ;  Jaeho Cho 
 PLoS One, Vol.11(4) : e0153443, 2016 
Journal Title
 PLoS One 
Issue Date
Adolescent ; Adult ; Aged ; Basic Helix-Loop-Helix Transcription Factors/metabolism ; Biomarkers, Tumor/metabolism* ; Child ; Child, Preschool ; Combined Modality Therapy ; Female ; Humans ; Infant ; Male ; Middle Aged ; Nerve Tissue Proteins/metabolism ; Neuroectodermal Tumors, Primitive/metabolism ; Neuroectodermal Tumors, Primitive/pathology ; Neuroectodermal Tumors, Primitive/therapy* ; Oligodendrocyte Transcription Factor 2 ; Prognosis ; RNA-Binding Proteins/metabolism ; Rad51 Recombinase/metabolism ; Supratentorial Neoplasms/metabolism ; Supratentorial Neoplasms/pathology ; Supratentorial Neoplasms/therapy* ; Treatment Outcome ; Young Adult
BACKGROUND: To identify prognostic factors and define the optimal management of patients with supratentorial primitive neuroectodermal tumors (sPNETs), we investigated treatment outcomes and explored the prognostic value of specific molecular markers. METHODS: A total of 47 consecutive patients with pathologically confirmed sPNETs between May 1985 and June 2012 were included. Immunohistochemical analysis of LIN28, OLIG2, and Rad51 expression was performed and correlated with clinical outcome. RESULTS: With a median follow-up of 70 months, 5-year overall survival (OS) and progression-free survival (PFS) was 55.5% and 40%, respectively, for all patients. Age, surgical extent, and radiotherapy were significant prognostic factors for OS and PFS. Patients who received initially planned multimodal treatment without interruption (i.e., radiotherapy and surgery (≥subtotal resection), with or without chemotherapy) showed significantly higher 5-year OS (71.2%) and PFS (63.1%). In 29 patients with available tumor specimens, tumors with high expression of either LIN28 or OLIG2 or elevated level of Rad51 were significantly associated with poorer prognosis. CONCLUSIONS: We found that multimodal treatment improved outcomes for sPNET patients, especially when radiotherapy and ≥subtotal resection were part of the treatment regimen. Furthermore, we confirmed the prognostic significance of LIN28 and OLIG2 and revealed the potential role of Rad51 in sPNETs.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiation Oncology (방사선종양학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
김동석(Kim, Dong Seok)
김세훈(Kim, Se Hoon) ORCID logo https://orcid.org/0000-0001-7516-7372
김준원(Kim, Jun Won) ORCID logo https://orcid.org/0000-0003-1358-364X
서창옥(Suh, Chang Ok)
심규원(Shim, Kyu Won) ORCID logo https://orcid.org/0000-0002-9441-7354
유철주(Lyu, Chuhl Joo) ORCID logo https://orcid.org/0000-0001-7124-7818
조재호(Cho, Jae Ho) ORCID logo https://orcid.org/0000-0001-9966-5157
한정우(Han, Jung Woo) ORCID logo https://orcid.org/0000-0001-8936-1205
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