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Neurotrophin-3, or NT-3, is a neurotrophic factor, in the NGF-family of neurotrophins. It is a protein growth factor that has activity on certain neurons of the peripheral and central nervous system ; it helps to support the survival and differentiation of existing neurons, and encourages the growth and differentiation of new neurons and synapses .
Neurotrophic factors also promote the initial growth and development of neurons in the central nervous system and peripheral nervous system, and they are capable of regrowing damaged neurons in test tubes and animal models. [1] [4] Some neurotrophic factors are also released by the target tissue in order to guide the growth of developing axons.
This also includes the immature pro-neurotrophin forms. [ 9 ] [ 10 ] Neurotrophic factor receptors, including p75NTR, are responsible for ensuring a proper density to target ratio of developing neurons, refining broader maps in development into precise connections. p75NTR is involved in pathways that promote neuronal survival and neuronal death.
4803 18049 Ensembl ENSG00000134259 ENSMUSG00000027859 UniProt P01138 P01139 RefSeq (mRNA) NM_002506 NM_001112698 NM_013609 RefSeq (protein) NP_002497 NP_001106168 NP_038637 Location (UCSC) Chr 1: 115.29 – 115.34 Mb Chr 3: 102.38 – 102.43 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Nerve growth factor (NGF) is a neurotrophic factor and neuropeptide primarily involved in the ...
Brain-derived neurotrophic factor (BDNF), or abrineurin, [5] is a protein [6] that, in humans, is encoded by the BDNF gene. [7] [8] BDNF is a member of the neurotrophin family of growth factors, which are related to the canonical nerve growth factor (NGF), a family which also includes NT-3 and NT-4/NT-5.
Neurotrophin mimetics are small molecules or peptide like molecules that can modulate the action of the neurotrophin receptor. One of the main causes of neurodegeneration involves changes in the expression of neurotrophins (NTs) and/or their receptors (TrkA, TrkB, TrkC and p75NTR). Indeed, these imbalances or changes in their activity, lead to ...
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Tropomyosin receptor kinase B is the high affinity catalytic receptor for several "neurotrophins", which are small protein growth factors that induce the survival and differentiation of distinct cell populations. The neurotrophins that activate TrkB are: BDNF (Brain Derived Neurotrophic Factor), neurotrophin-4 (NT-4), and neurotrophin-3 (NT-3).