Expression of EPHRIN-A1, SCINDERIN and MHC class I molecules in head and neck cancers and relationship with the prognostic value of intratumoral CD8+ T cells. - Archive ouverte HAL Access content directly
Journal Articles BMC Cancer Year : 2013

Expression of EPHRIN-A1, SCINDERIN and MHC class I molecules in head and neck cancers and relationship with the prognostic value of intratumoral CD8+ T cells.

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Meriem Hasmim
  • Function : Author
  • PersonId : 950071
Françoise Drusch
  • Function : Author
  • PersonId : 950074
Virginie Marty
  • Function : Author
  • PersonId : 950075
Eric Tartour
  • Function : Author
  • PersonId : 950080

Abstract

BACKGROUND: Our group has previously shown that EPHRIN-A1 and SCINDERIN expression by tumor cells rendered them resistant to cytotoxic T lymphocyte-mediated lysis. Whereas the prognostic value of EPHRIN-A1 expression in cancer has already been studied, the role of SCINDERIN presence remains to be established. In the present work, we investigated the prognosis value of EPHRIN-A1 and SCINDERIN expression in head and neck carcinomas. In addition, we monitored the HLA-class I expression by tumor cells and the presence of tumor-infiltrating CD8+ T cells to evaluate a putative correlation between these factors and the survival prognosis by themselves or related to EPHRIN-A1 and SCINDERIN expression. METHODS: Tumor tissue sections of 83 patients with head and neck cancer were assessed by immunohistochemistry for the expression of EPHRIN-A1, SCINDERIN, HLA class I molecules and the presence of CD8+ T cells. RESULTS: No significant prognosis value could be attributed to these factors independently, despite a tendency of association between EPHRIN-A1 and a worse clinical outcome. No prognostic value could be observed when CD8+ T cell tumor infiltration was analyzed combined with EPHRIN-A1, SCINDERIN or HLA class I expression. CONCLUSION: These results highlight that molecules involved in cancer cell resistance to cytotoxic T lymphocytes by themselves are not a sufficient criteria for prognosis determination in cancer patients. Other intrinsic or tumor microenvironmental features should be considered in prognostic evaluation.
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inserm-00920614 , version 1 (18-12-2013)

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Meriem Hasmim, Cécile Badoual, Philippe Vielh, Françoise Drusch, Virginie Marty, et al.. Expression of EPHRIN-A1, SCINDERIN and MHC class I molecules in head and neck cancers and relationship with the prognostic value of intratumoral CD8+ T cells.. BMC Cancer, 2013, 13 (1), pp.592. ⟨10.1186/1471-2407-13-592⟩. ⟨inserm-00920614⟩
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