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Título: | ARMS/Kidins220 regulates nociception by controlling brain-derived neurotrophic factor secretion |
Autor: | Sánchez-Sánchez, Julia; Vicente García, Cristina; Cañada-García, Daniel; Martín-Zanca, Dionisio CSIC ORCID ; Arévalo, Juan Carlos | Fecha de publicación: | mar-2023 | Editor: | Lippincott Williams & Wilkins | Citación: | Pain 164: 563-576 (2023) | Resumen: | Pain is an alarm mechanism to prevent body damage in response to noxious stimuli. The nerve growth factor (NGF)/TrkA axis plays an essential role as pain mediator, and several clinical trials using antibodies against NGF have yielded promising results, but side effects have precluded their clinical approval. A better understanding of the mechanism of NGF/TrkA-mediated nociception is needed. Here, we find that ARMS/Kidins220, a scaffold protein for Trk receptors, is a modulator of nociception. Male mice, with ARMS/Kidins220 reduction exclusively in TrkA-expressing cells, displayed hyperalgesia to heat, inflammatory, and capsaicin stimuli, but not to cold or mechanical stimuli. Simultaneous deletion of brain-derived neurotrophic factor (BDNF) reversed the effects of ARMS/Kidins220 knock down alone. Mechanistically, ARMS/Kidins220 levels are reduced in vitro and in vivo in response to capsaicin through calpains, and this reduction leads to enhanced regulated BDNF secretion from dorsal root ganglion. Altogether, these data indicate that ARMS/Kidins220 protein levels have a role as a pain modulator in the NGF/TrkA axis regulating BDNF secretion. | Versión del editor: | http://dx.doi.org/10.1097/j.pain.0000000000002741 | URI: | http://hdl.handle.net/10261/339933 | DOI: | 10.1097/j.pain.0000000000002741 | Identificadores: | doi: 10.1097/j.pain.0000000000002741 e-issn: 1872-6623 issn: 0304-3959 |
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