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da Silva JT, Evangelista BG, Venega RA, Seminowicz DA, Chacur M. Anti-NGF treatment can reduce chronic neuropathic pain by changing peripheral mediators and brain activity in rats. Behav Pharmacol 2019; 30:79-88. [DOI: 10.1097/fbp.0000000000000422] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Dewanjee S, Das S, Das AK, Bhattacharjee N, Dihingia A, Dua TK, Kalita J, Manna P. Molecular mechanism of diabetic neuropathy and its pharmacotherapeutic targets. Eur J Pharmacol 2018; 833:472-523. [DOI: 10.1016/j.ejphar.2018.06.034] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 06/15/2018] [Accepted: 06/26/2018] [Indexed: 02/07/2023]
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Duan L, Hope JM, Guo S, Ong Q, François A, Kaplan L, Scherrer G, Cui B. Optical Activation of TrkA Signaling. ACS Synth Biol 2018; 7:1685-1693. [PMID: 29975841 DOI: 10.1021/acssynbio.8b00126] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Nerve growth factor/tropomyosin receptor kinase A (NGF/TrkA) signaling plays a key role in neuronal development, function, survival, and growth. The pathway is implicated in neurodegenerative disorders including Alzheimer's disease, chronic pain, inflammation, and cancer. NGF binds the extracellular domain of TrkA, leading to the activation of the receptor's intracellular kinase domain. As TrkA signaling is highly dynamic, mechanistic studies would benefit from a tool with high spatial and temporal resolution. Here we present the design and evaluation of four strategies for light-inducible activation of TrkA in the absence of NGF. Our strategies involve the light-sensitive protein Arabidopsis cryptochrome 2 and its binding partner CIB1. We demonstrate successful recapitulation of native NGF/TrkA functions by optical induction of plasma membrane recruitment and homo-interaction of the intracellular domain of TrkA. This approach activates PI3K/AKT and Raf/ERK signaling pathways, promotes neurite growth in PC12 cells, and supports survival of dorsal root ganglion neurons in the absence of NGF. This ability to activate TrkA using light bestows high spatial and temporal resolution for investigating NGF/TrkA signaling.
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Affiliation(s)
- Liting Duan
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Jen M. Hope
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Shunling Guo
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Qunxiang Ong
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Amaury François
- Department of Anesthesiology, Perioperative and Pain Medicine, Department of Molecular and Cellular Physiology, Department of Neurosurgery, Stanford Neurosciences Institute, Stanford University, Palo Alto, California 94304, United States
| | - Luke Kaplan
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
| | - Grégory Scherrer
- Department of Anesthesiology, Perioperative and Pain Medicine, Department of Molecular and Cellular Physiology, Department of Neurosurgery, Stanford Neurosciences Institute, Stanford University, Palo Alto, California 94304, United States
- Robertson Investigator, New York Stem Cell Foundation, New York, New York 10019, United States
| | - Bianxiao Cui
- Department of Chemistry, Stanford University, Stanford, California 94305, United States
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Targeting Nerve Growth Factor (NGF) for Pain Management: What Does the Future Hold for NGF Antagonists? Drugs 2014; 74:619-26. [DOI: 10.1007/s40265-014-0208-6] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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