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Nerve Growth Factor Pathway (NGF Pathway)
- Target
- NGF Pathway
- Molecular classification
- Signaling Pathway
01
Overview
The nerve growth factor (NGF) pathway is a critical neurotrophic signaling cascade involved in the regulation of growth, maintenance, proliferation, and survival of neurons—especially sympathetic and sensory neurons. NGF exerts its effects by binding to specific cell surface receptors: TrkA (high-affinity receptor for NGF), p75NTR (low-affinity pan-neurotrophin receptor). Activation initiates several intracellular pathways including Ras/MAPK (ERK), PI3K/Akt, PLCγ/Ca²⁺ pathways. Therapeutically, targeting the NGF pathway has been explored for treating neuropathies and chronic pain conditions due to its role in nociception modulation.
- Other names
- NGF Signaling PathwayNeurotrophin Signaling Pathway
02
Mechanism of action
Modulation of neuronal growth, survival, differentiation, and pain signaling through TrkA and p75NTR receptor activation and downstream signaling cascades (Ras/MAPK, PI3K/Akt, PLCγ/Ca²⁺).
03
Biological functions
Neuronal growthNeuronal survivalNeuronal differentiationApoptosis regulationAxonal regenerationPain modulationGene expression regulation
04
Disease associations
Peripheral neuropathiesDiabetic neuropathyChronic painNeurodegenerative diseases
05
Safety considerations
Potential for off-target effects due to broad expression of receptorsUnintended consequences on neuronal survival and apoptosisPossible exacerbation of pain in certain contextsPotential for tumor promotion
06
Interacting drugs
NGF
2 more in the full profile.
07
Biomarkers
NGF levelsTrkA expressionp75NTR expressionSubstance P levelsCGRP levels
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