HPV+ head and neck cancer–derived small extracellular vesicles communicate with TRPV1+ neurons to mediate cancer pain

KE Inyang, CM Evans, M Heussner, M Petroff… - Pain, 2024 - journals.lww.com
KE Inyang, CM Evans, M Heussner, M Petroff, M Reimers, PD Vermeer, N Tykocki, JK Folger…
Pain, 2024journals.lww.com
Severe pain is often experienced by patients with head and neck cancer and is associated
with a poor prognosis. Despite its frequency and severity, current treatments fail to
adequately control cancer-associated pain because of our lack of mechanistic
understanding. Although recent works have shed some light of the biology underlying pain
in HPV-negative oral cancers, the mechanisms mediating pain in HPV1 cancers remain
unknown. Cancer-derived small extracellular vesicles (cancer-sEVs) are well positioned to …
Abstract
Severe pain is often experienced by patients with head and neck cancer and is associated with a poor prognosis. Despite its frequency and severity, current treatments fail to adequately control cancer-associated pain because of our lack of mechanistic understanding. Although recent works have shed some light of the biology underlying pain in HPV-negative oral cancers, the mechanisms mediating pain in HPV1 cancers remain unknown. Cancer-derived small extracellular vesicles (cancer-sEVs) are well positioned to function as mediators of communication between cancer cells and neurons. Inhibition of cancer-sEV release attenuated pain in tumor-bearing mice. Injection of purified cancer-sEVs is sufficient to induce pain hypersensitivity in naive mice that is prevented by QX-314 treatment and in Trpv1 2/2 mice. Cancer-sEVs triggered calcium influx in nociceptors, and inhibition or ablation of nociceptors protects against cancer pain. Interrogation of published sequencing data of human sensory neurons exposed to human cancer-sEVs suggested a stimulation of protein translation in neurons. Induction of translation by cancer-sEVs was validated in our mouse model, and its inhibition alleviated cancer pain in mice. In summary, our work reveals that HPV1 head and neck squamous cell carcinoma–derived sEVs alter TRPV11 neurons by promoting nascent translation to mediate cancer pain and identified several promising therapeutic targets to interfere with this pathway.
Lippincott Williams & Wilkins
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