2017
DOI: 10.1158/0008-5472.can-16-0274
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Tim-3 Expression on Tumor-Infiltrating PD-1+CD8+ T Cells Correlates with Poor Clinical Outcome in Renal Cell Carcinoma

Abstract: Inhibitory receptors expressed by T cells mediate tolerance to tumor antigens, with coexpression of these receptors exacerbating this dysfunctional state. Using the VectraR automated multiparametric immunofluorescence technique, we quantified intratumoral CD8 T cells coexpressing the inhibitory receptors PD-1 and Tim-3 from patients with renal cell carcinoma (RCC). A second validation cohort measured the same parameters by cytometry. The percentage of tumor-infiltrating CD8 T cells coexpressing PD-1 and Tim-3 … Show more

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Cited by 171 publications
(114 citation statements)
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“…Our trial to reveal prognostic biomarkers in gastrointestinal malignant ascites patients based on T-cell immune phenotyping in multivariate analysis proposed the significance of PD-1+ TIM-3+ascites TILs. These findings are consistent with the finding that existence of PD-1+ TIM-3+ cells was associated with poor prognosis in renal cell carcinoma 12.…”
supporting
confidence: 92%
“…Our trial to reveal prognostic biomarkers in gastrointestinal malignant ascites patients based on T-cell immune phenotyping in multivariate analysis proposed the significance of PD-1+ TIM-3+ascites TILs. These findings are consistent with the finding that existence of PD-1+ TIM-3+ cells was associated with poor prognosis in renal cell carcinoma 12.…”
supporting
confidence: 92%
“…23 The opposite effect is seen in a number of other diseases, such as renal cell carcinoma 25 or nasopharyngeal cancer, 26 where PD-1 expression is associated with a poor outcome. Tim-3 coexpression, which in combination with PD-1 is a marker of T-cell exhaustion, may differentiate between functionally exhausted or activated T lymphocytes 27 and could possibly clarify these discrepancies.…”
Section: Discussionmentioning
confidence: 99%
“…In line with these results, after infection in mucosal tissues, T RM cells can proliferate and generate a second pool of T RM , strongly suggesting that they have the ability to be activated in situ for better control of local danger [94]. Therefore, their exhausted phenotype does not preclude their sensitivity to reactivation and invigoration [95]. Consistently, recent results revealed expansion of T RM cells in melanoma patients responding to anti-PD-1 immunotherapy [96].…”
Section: Role Of Trm In Immune Surveillance and Immunotherapymentioning
confidence: 94%