Neurotrophin-3 and neurotrophin-4: The unsung heroes that lies behind the meninges.

Noor Azzizah Omar, Jaya Kumar, Seong Lin Teoh

Neuropeptides 2022 Apr

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Neurotrophin is a growth factor that regulates the development and repair of the nervous system. From all factors, two pioneer groups, the nerve growth factor (NGF) and brain derived neurotrophic factor (BDNF), have been widely explored for their role in disease pathogenesis and potential use as therapeutic agents. Nonetheless, neurotrophin-3 (NT3) and neurotrophin-4 (NT4) also have promising potential, albeit less popular than their counterparts. This review focuses on the latter two factors and their roles in the pathogenesis of brain disorders and potential therapies. An extensive literature search of NT3 and NT4 with their receptors, the TrkB and TrkC on the nervous system were extracted and analyzed. We found that NT3 and NT4 are not only involved in the pathogenesis of some neurodegenerative diseases, but also have promising therapeutic potential on injury- and vascular-related nervous system disease, neuropsychiatry, neurodegeneration and peripheral nerve diseases. In conclusion, the role of NT3 and NT4 should be further emphasized, and more studies could be explored on the potential use of these neurotrophins in the human study. Copyright © 2022 Elsevier Ltd. All rights reserved.

Citation

Noor Azzizah Omar, Jaya Kumar, Seong Lin Teoh. Neurotrophin-3 and neurotrophin-4: The unsung heroes that lies behind the meninges. Neuropeptides. 2022 Apr;92:102226