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Epiregulin and EGFR interactions are involved in pain processing.


ABSTRACT: The EGFR belongs to the well-studied ErbB family of receptor tyrosine kinases. EGFR is activated by numerous endogenous ligands that promote cellular growth, proliferation, and tissue regeneration. In the present study, we have demonstrated a role for EGFR and its natural ligand, epiregulin (EREG), in pain processing. We show that inhibition of EGFR with clinically available compounds strongly reduced nocifensive behavior in mouse models of inflammatory and chronic pain. EREG-mediated activation of EGFR enhanced nociception through a mechanism involving the PI3K/AKT/mTOR pathway and matrix metalloproteinase-9. Moreover, EREG application potentiated capsaicin-induced calcium influx in a subset of sensory neurons. Both the EGFR and EREG genes displayed a genetic association with the development of chronic pain in several clinical cohorts of temporomandibular disorder. Thus, EGFR and EREG may be suitable therapeutic targets for persistent pain conditions.

SUBMITTER: Martin LJ 

PROVIDER: S-EPMC5669538 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Epiregulin and EGFR interactions are involved in pain processing.

Martin Loren J LJ   Smith Shad B SB   Khoutorsky Arkady A   Magnussen Claire A CA   Samoshkin Alexander A   Sorge Robert E RE   Cho Chulmin C   Yosefpour Noosha N   Sivaselvachandran Sivaani S   Tohyama Sarasa S   Cole Tiffany T   Khuong Thang M TM   Mir Ellen E   Gibson Dustin G DG   Wieskopf Jeffrey S JS   Sotocinal Susana G SG   Austin Jean Sebastien JS   Meloto Carolina B CB   Gitt Joseph H JH   Gkogkas Christos C   Sonenberg Nahum N   Greenspan Joel D JD   Fillingim Roger B RB   Ohrbach Richard R   Slade Gary D GD   Knott Charles C   Dubner Ronald R   Nackley Andrea G AG   Ribeiro-da-Silva Alfredo A   Neely G Gregory GG   Maixner William W   Zaykin Dmitri V DV   Mogil Jeffrey S JS   Diatchenko Luda L  

The Journal of clinical investigation 20170807 9


The EGFR belongs to the well-studied ErbB family of receptor tyrosine kinases. EGFR is activated by numerous endogenous ligands that promote cellular growth, proliferation, and tissue regeneration. In the present study, we have demonstrated a role for EGFR and its natural ligand, epiregulin (EREG), in pain processing. We show that inhibition of EGFR with clinically available compounds strongly reduced nocifensive behavior in mouse models of inflammatory and chronic pain. EREG-mediated activation  ...[more]

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