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IFN signaling at the nexus of the radiotherapy response in malignant peripheral nerve sheath tumors
Sean P. Pitroda, Ralph R. Weichselbaum
Sean P. Pitroda, Ralph R. Weichselbaum
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IFN signaling at the nexus of the radiotherapy response in malignant peripheral nerve sheath tumors

Abstract

Malignant peripheral nerve sheath tumors (MPNSTs) are aggressive sarcomas that constitute a major cause of mortality in individuals with neurofibromatosis type 1 (NF-1) and exhibit highly variable responses to radiotherapy. In this issue of the JCI, Zhu and colleagues integrated functional genomics, single-cell transcriptomics, and analysis of human tumors to show that type I IFN signaling shapes both tumor-intrinsic radiation sensitivity of MPNSTs and local recruitment and activation of T cells. Their findings establish IFN signaling as a central coordinator of the radiotherapy response in MPNSTs and suggest that incorporating targeted immunomodulation strategies may improve radiotherapy outcomes. The work also has direct implications for the role of the immune system and IFN signaling radiation–based treatment of soft tissue sarcomas beyond those involved in NF-1.

Authors

Sean P. Pitroda, Ralph R. Weichselbaum

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