Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas

Kelvin Manuel Piña Batista; Bruno Augusto Lourenco Costa; Isabel Cuervo-Arango Herreros; Ivan Fernandez Vega; Julio Cesar Gutierrez Morales; Aitana Vallina Alvarez; Pablo Isidro Marron; Ángela Meilán; Aurora Astudillo; Kenia Yoelvi Alvarez

doi:10.5114/fn.2016.58913

eISSN: 1509-572x
ISSN: 1641-4640

Folia Neuropathologica

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1/2016
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abstract:

Original paper

Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas

Kelvin Manuel Piña Batista

,

Bruno Augusto Lourenco Costa

,

Isabel Cuervo-Arango Herreros

,

Ivan Fernandez Vega

,

Julio Cesar Gutierrez Morales

,

Aitana Vallina Alvarez

,

Pablo Isidro Marron

,

Ángela Meilán

,

Aurora Astudillo

,

Kenia Yoelvi Alvarez

Folia Neuropathol 2016; 54 (1): 31-39

DOI: https://doi.org/10.5114/fn.2016.58913

Online publish date: 2016/03/31

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AMA

Batista K, Costa B, Herreros I, et al. Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas. Folia Neuropathologica. 2016;54(1):31-39. doi:10.5114/fn.2016.58913.

APA

Batista, K., Costa, B., Herreros, I., Vega, I., Morales, J.,  & Alvarez, A. et al. (2016). Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas. Folia Neuropathologica, 54(1), 31-39. https://doi.org/10.5114/fn.2016.58913

Chicago

Batista, Kelvin Manuel Piña, Bruno Augusto Lourenco Costa, Isabel Cuervo-Arango Herreros, Ivan Fernandez Vega, Julio Cesar Gutierrez Morales, Aitana Vallina Alvarez,  and Pablo Isidro Marron et al. 2016. "Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas". Folia Neuropathologica 54 (1): 31-39. doi:10.5114/fn.2016.58913.

Harvard

Batista, K., Costa, B., Herreros, I., Vega, I., Morales, J., Alvarez, A., Marron, P., Meilán, Á., Astudillo, A.,  and Alvarez, K. (2016). Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas. Folia Neuropathologica, 54(1), pp.31-39. https://doi.org/10.5114/fn.2016.58913

MLA

Batista, Kelvin Manuel Piña et al. "Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas." Folia Neuropathologica, vol. 54, no. 1, 2016, pp. 31-39. doi:10.5114/fn.2016.58913.

Vancouver

Batista K, Costa B, Herreros I, Vega I, Morales J, Alvarez A et al. Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas. Folia Neuropathologica. 2016;54(1):31-39. doi:10.5114/fn.2016.58913.

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Glioblastomas (GBs) are the most common and lethal primary brain tumors in the adults. Glioblastomas originates either from astrocytes that have accumulated mutations and de-differentiated or from neural stem cells within the subventricular zone (SVZ) in close contact with the vasculature. Recently, several studies have hypothesized that gliomagenesis occurs in perivascular niches with highly invasive peripheral proliferating zones. The purpose of our study was to investigate the pathological and clinical significance of Olig2 and YKL40 immunoexpression in 152 GBs in relationship to the SVZ II and III. Olig2 expressions were successfully detected in 12 (15.58%) of 77 SVZ type II GBs and 16 (21.3%) of 75 SVZ type III GBs, respectively. YKL-40 expression was observed in 45 (58.4%) of 77 SVZ type II GBs and in 17 (22.6%) of 75 SVZ type III GBs, respectively. Stepwise multivariate Cox proportional hazards models were used, and the prognostic factors to significantly impact OS were: PFS < 54 weeks (HR: 5.86; CI: 3.02-11.33; p = 0.00); radiotherapy (HR: 0.34; CI: 0.18-0.60; p = 0.00); radio- and chemotherapy (HR: 0.05; CI: 0.03-0.10; p = 0.0), and YKL-40+ GBs (HR: 1.61; CI: 1.28-2.31; p = 0.01).

keywords:

Analysis of Olig2 and YKL-40 expression: a clinicopathological/immunohistochemical study for the distinction between subventricular zone II and III glioblastomas

Kelvin Manuel Piña Batista , Bruno Augusto Lourenco Costa , Isabel Cuervo-Arango Herreros , Ivan Fernandez Vega , Julio Cesar Gutierrez Morales , Aitana Vallina Alvarez , Pablo Isidro Marron , Ángela Meilán , Aurora Astudillo , Kenia Yoelvi Alvarez

glioblastoma, subventricular zone, Olig2, YKL-40, clinicopathological, immunohistochemical

Kelvin Manuel Piña Batista

,

Bruno Augusto Lourenco Costa

,

Isabel Cuervo-Arango Herreros

,

Ivan Fernandez Vega

,

Julio Cesar Gutierrez Morales

,

Aitana Vallina Alvarez

,

Pablo Isidro Marron

,

Ángela Meilán

,

Aurora Astudillo

,

Kenia Yoelvi Alvarez