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RSS FeedsIJMS, Vol. 23, Pages 5817: Neurotrophin Signaling Impairment by Viral Infections in the Central Nervous System (International Journal of Molecular Sciences)

 
 

22 may 2022 14:17:06

 
IJMS, Vol. 23, Pages 5817: Neurotrophin Signaling Impairment by Viral Infections in the Central Nervous System (International Journal of Molecular Sciences)
 


Neurotrophins, such as nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and neurotrophin 3 (NT-3), NT-4, and NT-5, are proteins involved in several important functions of the central nervous system. The activation of the signaling pathways of these neurotrophins, or even by their immature form, pro-neurotrophins, starts with their recognition by cellular receptors, such as tropomyosin receptor kinase (Trk) and 75 kD NT receptors (p75NTR). The Trk receptor is considered to have a high affinity for attachment to specific neurotrophins, while the p75NTR receptor has less affinity for attachment with neurotrophins. The correct functioning of these signaling pathways contributes to proper brain development, neuronal survival, and synaptic plasticity. Unbalanced levels of neurotrophins and pro-neurotrophins have been associated with neurological disorders, illustrating the importance of these molecules in the central nervous system. Furthermore, reports have indicated that viruses can alter the normal levels of neurotrophins by interfering with their signaling pathways. This work discusses the importance of neurotrophins in the central nervous system, their signaling pathways, and how viruses can affect them.


 
268 viewsCategory: Biochemistry, Biophysics, Molecular Biology
 
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