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Molecular and clinical characterization of PTPN2 expression from RNA-seq data of 996 brain gliomas

Overview of attention for article published in Journal of Neuroinflammation, May 2018
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Title
Molecular and clinical characterization of PTPN2 expression from RNA-seq data of 996 brain gliomas
Published in
Journal of Neuroinflammation, May 2018
DOI 10.1186/s12974-018-1187-4
Pubmed ID
Authors

Peng-fei Wang, Hong-qing Cai, Chuan-bao Zhang, Yan-Michael Li, Xiang Liu, Jing-hai Wan, Tao Jiang, Shou-wei Li, Chang-Xiang Yan

Abstract

Immune checkpoint inhibitors have been shown to promote antitumor immunity and achieve durable tumor remissions. However, certain tumors are refractory to current immunotherapy. These negative results encouraged us to uncover other therapeutic targets and strategies. PTPN2 (protein tyrosine phosphatase, non-receptor type 2) has been newly identified as an immunotherapy target. Loss of PTPN2 sensitizes the tumor to immunotherapy via IFNγ signaling. Here, we investigated the relationship between PTPN2 mRNA levels and clinical characteristics in gliomas. RNA-seq data of a cohort of 325 patients with glioma were available from the Chinese Glioma Genome Atlas and 671 from The Cancer Genome Atlas. R language, GraphPad Prism 5, and SPSS 22.0 were used to analyze data and draw figures. PTPN2 transcript levels increased significantly with higher grades of glioma and in isocitrate dehydrogenase (IDH) wild-type and mesenchymal subtype gliomas. A comprehensive biological analysis was conducted, which indicated a crucial role of PTPN2 in the immune and inflammation responses in gliomas. Specifically, PTPN2 was positively associated with HCK, LCK, MHC II, and STAT1 but negatively related to IgG and interferon. Moreover, canonical correlation analysis showed a positive correlation of PTPN2 with infiltrating immune cells, such as macrophages, neutrophils, and CD8+ T cells. Clinically, higher levels of PTPN2 were associated with a worse overall survival both in patients with gliomas and glioblastomas. PTPN2 expression level was increased in glioblastomas and associated with gliomas of the IDH wild-type and mesenchymal subtype. There was a close correlation between PTPN2 and the immune response and inflammatory activity in gliomas. Our results show that PTPN2 is a promising immunotherapy target and may provide additional treatment strategies.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 36 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 36 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 22%
Student > Bachelor 4 11%
Researcher 4 11%
Other 3 8%
Professor 2 6%
Other 4 11%
Unknown 11 31%
Readers by discipline Count As %
Medicine and Dentistry 7 19%
Biochemistry, Genetics and Molecular Biology 5 14%
Neuroscience 5 14%
Agricultural and Biological Sciences 2 6%
Pharmacology, Toxicology and Pharmaceutical Science 2 6%
Other 1 3%
Unknown 14 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 09 April 2019.
All research outputs
#18,613,415
of 23,057,470 outputs
Outputs from Journal of Neuroinflammation
#2,087
of 2,659 outputs
Outputs of similar age
#253,032
of 326,936 outputs
Outputs of similar age from Journal of Neuroinflammation
#56
of 73 outputs
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