Abstract
Transmembrane member 16A (TMEM16A) exhibits a negative correlation with autophagy, though the underlying mechanism remains elusive. This study investigates the mechanism between TMEM16A and autophagy by inducing autophagy in DRG neuronal cells using Rapamycin. Results indicated that TMEM16A interference augmented cell viability and reduced Rapamycin-induced apoptosis. Autophagosome formation increased with TMEM16A interference but decreased upon overexpression. A similar increase in autophagosomes was observed with SB203580 treatment. Furthermore, TMEM16A interference suppressed Rapamycin-induced gene and protein expression of p38 MAPK and mTOR, whereas overexpression had the opposite effect. These findings suggest that TMEM16A activation inhibits autophagy in DRG cells, which is associated with the p38 MAPK/mTOR pathway, offering a potential target for mitigating neuropathic pain (NP).Graphical abstract
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