Abstract:
:The metabolic gene isocitrate dehydrogenase 1 (IDH1) is commonly mutated in lower grade glioma (LGG) and secondary glioblastoma (GBM). Regulatory T cells (Tregs) play a significant role in the suppression of antitumor immunity in human glioma. Given the importance of Tregs in the overall framework of designing immune-based therapies, a better understanding on their association with IDH mutational status remains of critical clinical importance. Using multispectral imaging analysis, we compared the incidence of Tregs in IDH-mutant and IDH wild-type glioma from patient tumor samples of LGG. An orthotopic IDH-mutant murine model was generated to evaluate the role of mutant IDH on Treg infiltration by immunohistochemistry. When compared to IDH wild-type controls, Tregs are disproportionally underrepresented in mutant disease, even when taken as a proportion of all infiltrating T cells. Our findings suggest that therapeutic agents targeting Tregs may be more appropriate in modulating the immune response to wild-type disease.
journal_name
Oncoimmunologyjournal_title
Oncoimmunologyauthors
Richardson LG,Nieman LT,Stemmer-Rachamimov AO,Zheng XS,Stafford K,Nagashima H,Miller JJ,Kiyokawa J,Ting DT,Wakimoto H,Cahill DP,Choi BD,Curry WTdoi
10.1080/2162402X.2020.1806662subject
Has Abstractpub_date
2020-08-20 00:00:00pages
1806662issue
1eissn
2162-4011issn
2162-402Xpii
1806662journal_volume
9pub_type
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