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The p75 neurotrophin receptor (p75NTR) was first identified in 1973 as the low-affinity nerve growth factor receptor (LNGFR) [5] [6] before discovery that p75NTR bound other neurotrophins equally well as nerve growth factor. [7] [8] p75NTR is a neurotrophic factor receptor.
p75 is a low affinity neurotrophin receptor, to which all neurotrophins bind. It is a member of the tumour necrosis super family. In some contexts, the phrase "x" only applies to this receptor. [1] The Trk family include TrkA, TrkB, and TrkC, and will only bind with specific neurotrophins, but with a much higher affinity. The Trks mediate the ...
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 .
Neurotrophin ligands of Trk receptors are processed ligands, [3] meaning that they are synthesized in immature forms and then transformed by protease cleavage. Immature neurotrophins are specific only to one common p75NTR receptor. However, protease cleavage generates neurotrophins that have higher affinity to their corresponding Trk receptors.
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.
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).
The affinity constant, K a, is the inverse of the dissociation constant, K d. The strength of complex formation in solution is related to the stability constants of complexes , however in case of large biomolecules, such as receptor - ligand pairs, their interaction is also dependent on other structural and thermodynamic properties of reactants ...