PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor

Background: Gliomas are aggressive tumors with various molecular and clinical characteristics and exhibit strongly resistance to radio-chemotherapy. Programmed cell death 1 ligand 2 (PD-L2) is a cell surface protein, which was reported in many cancers, modulating cancer-associated immune responses,...

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Main Authors: Zhi-liang Wang, Guan-zhang Li, Qiang-wei Wang, Zhao-shi Bao, Zheng Wang, Chuan-bao Zhang, Tao Jiang
Format: Article
Language:English
Published: Taylor & Francis Group 2019-02-01
Series:OncoImmunology
Subjects:
Online Access:http://dx.doi.org/10.1080/2162402X.2018.1541535
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author Zhi-liang Wang
Guan-zhang Li
Qiang-wei Wang
Zhao-shi Bao
Zheng Wang
Chuan-bao Zhang
Tao Jiang
author_facet Zhi-liang Wang
Guan-zhang Li
Qiang-wei Wang
Zhao-shi Bao
Zheng Wang
Chuan-bao Zhang
Tao Jiang
author_sort Zhi-liang Wang
collection DOAJ
description Background: Gliomas are aggressive tumors with various molecular and clinical characteristics and exhibit strongly resistance to radio-chemotherapy. Programmed cell death 1 ligand 2 (PD-L2) is a cell surface protein, which was reported in many cancers, modulating cancer-associated immune responses, while the role of PD-L2 in gliomas remained unclear. Herein, we aimed to investigate the biological behaviors and clinical prognostic values of PD-L2 in gliomas. Methods: Totally, we enrolled RNA sequencing data of 325 glioma samples from Chinese Glioma Genome Atlas (CGGA) as training cohort and RNA expression data of 1032 samples from The Cancer Genome Atlas (TCGA) dataset as validation cohort in this research. Then, the clinical and molecular characteristics, and the prognostic value of PD-L2 were analyzed. Results: We found that PD-L2 expression level was significantly upregulated in higher grade glioma and IDH wild-type glioma. Receiver Operating Characteristic (ROC) analysis revealed that PD-L2 was a potential indicator of mesenchymal subtype. PD-L2 exhibited tight relationship with immune response and immune-modulating process in glioma. Moreover, PD-L2 expression level could predict unfavorable prognoses of patients independent of age, grade, IDH status and 1p/19q status. Conclusions: Our study revealed that PD-L2 was closely related with inflammation and immune response. Patients with lower PD-L2 expression level tended to experience improved survival. Targeting PD-L2 may become a valuable approach for the treatment of gliomas in clinical practice.
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spelling doaj.art-4223db8318bb47e281c84cc83b64d85b2022-12-22T03:50:21ZengTaylor & Francis GroupOncoImmunology2162-402X2019-02-018210.1080/2162402X.2018.15415351541535PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factorZhi-liang Wang0Guan-zhang Li1Qiang-wei Wang2Zhao-shi Bao3Zheng Wang4Chuan-bao Zhang5Tao Jiang6Capital Medical UniversityCapital Medical UniversityCapital Medical UniversityCapital Medical UniversityCapital Medical UniversityCapital Medical UniversityCapital Medical UniversityBackground: Gliomas are aggressive tumors with various molecular and clinical characteristics and exhibit strongly resistance to radio-chemotherapy. Programmed cell death 1 ligand 2 (PD-L2) is a cell surface protein, which was reported in many cancers, modulating cancer-associated immune responses, while the role of PD-L2 in gliomas remained unclear. Herein, we aimed to investigate the biological behaviors and clinical prognostic values of PD-L2 in gliomas. Methods: Totally, we enrolled RNA sequencing data of 325 glioma samples from Chinese Glioma Genome Atlas (CGGA) as training cohort and RNA expression data of 1032 samples from The Cancer Genome Atlas (TCGA) dataset as validation cohort in this research. Then, the clinical and molecular characteristics, and the prognostic value of PD-L2 were analyzed. Results: We found that PD-L2 expression level was significantly upregulated in higher grade glioma and IDH wild-type glioma. Receiver Operating Characteristic (ROC) analysis revealed that PD-L2 was a potential indicator of mesenchymal subtype. PD-L2 exhibited tight relationship with immune response and immune-modulating process in glioma. Moreover, PD-L2 expression level could predict unfavorable prognoses of patients independent of age, grade, IDH status and 1p/19q status. Conclusions: Our study revealed that PD-L2 was closely related with inflammation and immune response. Patients with lower PD-L2 expression level tended to experience improved survival. Targeting PD-L2 may become a valuable approach for the treatment of gliomas in clinical practice.http://dx.doi.org/10.1080/2162402X.2018.1541535gliomaimmune responsepd-l2checkpoint inhibitor
spellingShingle Zhi-liang Wang
Guan-zhang Li
Qiang-wei Wang
Zhao-shi Bao
Zheng Wang
Chuan-bao Zhang
Tao Jiang
PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
OncoImmunology
glioma
immune response
pd-l2
checkpoint inhibitor
title PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
title_full PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
title_fullStr PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
title_full_unstemmed PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
title_short PD-L2 expression is correlated with the molecular and clinical features of glioma, and acts as an unfavorable prognostic factor
title_sort pd l2 expression is correlated with the molecular and clinical features of glioma and acts as an unfavorable prognostic factor
topic glioma
immune response
pd-l2
checkpoint inhibitor
url http://dx.doi.org/10.1080/2162402X.2018.1541535
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