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. 2010 Nov;17(11):1381-5.
doi: 10.1016/j.jocn.2010.03.031. Epub 2010 Aug 19.

CD8+ T-cell infiltrate in newly diagnosed glioblastoma is associated with long-term survival

Isaac Yang  1 , Tarik Tihan, Seunggu J Han, Margaret R Wrensch, John Wiencke, Michael E Sughrue, Andrew T Parsa
Affiliations

CD8+ T-cell infiltrate in newly diagnosed glioblastoma is associated with long-term survival

Isaac Yang et al. J Clin Neurosci. 2010 Nov.

Abstract

A growing body of evidence supports the significant interplay between the immune system and glioma pathogenesis. Here we investigate whether the extent of local glioma-associated CD8+ T-cell infiltrate at initial presentation correlates with long-term survival in patients with glioblastoma multiforme (GBM). The study was conducted by the University of California San Francisco Brain Tumor Research Center as part of the San Francisco Bay Area Adult Glioma Study, which included over 519 patients with GBM. A central neuropathology review was performed and populations of infiltrating CD8+ T-cells were quantified histologically. Of 108 patients studied, 43 patients had poor survival (<95days) and 65 patients had extended long-term survival of >403days. Tumors from long-term survivors were more likely than short-term survivors to have intermediate or extensive T-cell infiltrates compared to focal or rare infiltrates, and this association appears to be most significant in Caucasian women (p < 0.006). Thus, CD8+ T-cell infiltrate is associated with prolonged survival. Our data provide the impetus for more sophisticated studies to further elucidate prospectively the specific T-cell subtypes associated with long-term survival.

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Figures

Figure 1
Figure 1
Diagram of cytotoxic CD8 T-cells showing the major histocompatibility complex (MHC) I=mediated antigen-dependant T-cell mechanism for cell killing and antigen recognition.
Figure 2
Figure 2
Glioma tumor cells under light microscopy with varying levels of cytotoxic T-cell (CD8+ T-cell) infiltrate with human CD8 antibody and eosin counterstain (magnification ×20).
See this image and copyright information in PMC

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