Abstract
Glioblastoma is a highly aggressive brain tumor constituted by glioma stem cell and differentiated cell populations with distinct susceptibility to cytotoxic T lymphocytes crucial for tumor immune surveillance. In this issue of The EMBO Journal, Bassoy et al () show that the surface expression of certain glycans that favor recognition and killing by T cells depends on mitochondrial contacts with the endoplasmic reticulum, extending the function of this interface even to immune recognition.
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