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Publication Detail
Somatostatin receptor 2 expression in nasopharyngeal cancer is induced by Epstein Barr virus infection: impact on prognosis, imaging and therapy.
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Lechner M, Schartinger VH, Steele CD, Nei WL, Ooft ML, Schreiber L-M, Pipinikas CP, Chung GT-Y, Chan YY, Wu F, To K-F, Tsang CM, Pearce W, Morelli D, Philpott M, Masterson L, Nibhani R, Wells G, Bell CG, Koller J, Delecluse S, Yip YL, Liu J, Forde CT, Forster MD, Jay A, Dudás J, Krapp A, Wan S, Uprimny C, Sprung S, Haybaeck J, Fenton TR, Chester K, Thirlwell C, Royle G, Marafioti T, Gupta R, Indrasari SR, Herdini C, Slim MAM, Indrawati I, Sutton L, Fles R, Tan B, Yeong J, Jain A, Han S, Wang H, Loke KSH, He W, Xu R, Jin H, Cheng Z, Howard D, Hwang PH, Le Q-T, Tay JK, West RB, Tsao SW, Meyer T, Riechelmann H, Oppermann U, Delecluse H-J, Willems SM, Chua MLK, Busson P, Lo KW, Wollmann G, Pillay N, Vanhaesebroeck B, Lund VJ
  • Publication date:
  • Pagination:
  • Journal:
    Nat Commun
  • Volume:
  • Issue:
  • Status:
  • Country:
  • PII:
  • Language:
Nasopharyngeal cancer (NPC), endemic in Southeast Asia, lacks effective diagnostic and therapeutic strategies. Even in high-income countries the 5-year survival rate for stage IV NPC is less than 40%. Here we report high somatostatin receptor 2 (SSTR2) expression in multiple clinical cohorts comprising 402 primary, locally recurrent and metastatic NPCs. We show that SSTR2 expression is induced by the Epstein-Barr virus (EBV) latent membrane protein 1 (LMP1) via the NF-κB pathway. Using cell-based and preclinical rodent models, we demonstrate the therapeutic potential of SSTR2 targeting using a cytotoxic drug conjugate, PEN-221, which is found to be superior to FDA-approved SSTR2-binding cytostatic agents. Furthermore, we reveal significant correlation of SSTR expression with increased rates of survival and report in vivo uptake of the SSTR2-binding 68Ga-DOTA-peptide radioconjugate in PET-CT scanning in a clinical trial of NPC patients (NCT03670342). These findings reveal a key role in EBV-associated NPC for SSTR2 in infection, imaging, targeted therapy and survival.
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