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Abstract
Nerve growth factor (NGF) signaling is a clinically validated target for the treatment of several prevalent types of chronic pain; however, addressing safety concerns remain a key challenge. In this issue of the JCI, Peach et al. take a major step forward in this area by deciphering complexities in the signaling of the NGF receptor TrkA, finding that neuropilin 1 (NRP1) acted as a coreceptor for NGF actions at TrkA and the receptor complex required scaffolding from GIPC1. Using a mix of techniques, including animal behavioral models, electrophysiology on mouse and human dorsal root ganglion (DRG) neurons, and elegant biochemical pharmacology, the authors demonstrated that this therapeutic target might more safely manipulate NGF signaling to achieve pain alleviation. While there are still important questions to answer, the innovative work paves the way for the development of nonopioid pain therapeutics.
Authors
Andi Wangzhou, Theodore J. Price
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