HIF regulates multiple translated endogenous retroviruses: Implications for cancer immunotherapy

Cell. 2025 Apr 3;188(7):1807-1827.e34. doi: 10.1016/j.cell.2025.01.046. Epub 2025 Feb 28.

Abstract

Clear cell renal cell carcinoma (ccRCC), despite having a low mutational burden, is considered immunogenic because it occasionally undergoes spontaneous regressions and often responds to immunotherapies. The signature lesion in ccRCC is inactivation of the VHL tumor suppressor gene and consequent upregulation of the HIF transcription factor. An earlier case report described a ccRCC patient who was cured by an allogeneic stem cell transplant and later found to have donor-derived T cells that recognized a ccRCC-specific peptide encoded by a HIF-responsive endogenous retrovirus (ERV), ERVE-4. We report that ERVE-4 is one of many ERVs that are induced by HIF, translated into HLA-bound peptides in ccRCCs, and capable of generating antigen-specific T cell responses. Moreover, ERV expression can be induced in non-ccRCC tumors with clinical-grade HIF stabilizers. These findings have implications for leveraging ERVs for cancer immunotherapy.

Keywords: ERV; HIF; cancer vaccine; ccRCC; immunopeptidomic; immunotherapy; kidney cancer; neoantigen.

MeSH terms

  • Basic Helix-Loop-Helix Transcription Factors* / metabolism
  • Carcinoma, Renal Cell* / genetics
  • Carcinoma, Renal Cell* / immunology
  • Carcinoma, Renal Cell* / metabolism
  • Carcinoma, Renal Cell* / therapy
  • Carcinoma, Renal Cell* / virology
  • Endogenous Retroviruses* / genetics
  • Endogenous Retroviruses* / metabolism
  • Humans
  • Hypoxia-Inducible Factor 1, alpha Subunit* / metabolism
  • Immunotherapy
  • Kidney Neoplasms* / immunology
  • Kidney Neoplasms* / metabolism
  • Kidney Neoplasms* / therapy
  • Kidney Neoplasms* / virology
  • T-Lymphocytes / immunology
  • Von Hippel-Lindau Tumor Suppressor Protein / metabolism

Substances

  • Von Hippel-Lindau Tumor Suppressor Protein
  • Hypoxia-Inducible Factor 1, alpha Subunit
  • Basic Helix-Loop-Helix Transcription Factors
  • VHL protein, human