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Neurotrophin-3 is a protein that in humans is encoded by the NTF3 gene. [ 5 ] [ 6 ] The protein encoded by this gene, NT-3, is a neurotrophic factor in the NGF (Nerve Growth Factor) family of neurotrophins .
Tropomyosin receptor kinase C (TrkC), [5] also known as NT-3 growth factor receptor, neurotrophic tyrosine kinase receptor type 3, or TrkC tyrosine kinase is a protein that in humans is encoded by the NTRK3 gene. [6] TrkC is the high affinity catalytic receptor for the neurotrophin NT-3 (neurotrophin-3).
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 .
Whereas neurotrophic factors within the neurotrophin family commonly have a protein tyrosine kinase receptor (Trk), Neurotrophin-3 (NT-3) has the unique receptor, TrkC. [8] In fact, the discovery of the different receptors helped differentiate scientists' understanding and classification of NT-3. [ 13 ]
A value of greater than 1.5 units relative to a control serum is considered a positive ELISA test for the anti-histone antibodies. Patients with drug-induced lupus erythematosus typically have positive tests for anti-histone antibodies but do not have indications for anti-dsDNA antibodies. Patients with idiopathic systemic lupus erythematosus ...
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.
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).
As opposed to TrkA, the LNGFR plays a somewhat less clear role in NGF biology. Some researchers have shown the LNGFR binds and serves as a "sink" for neurotrophins. Cells which express both the LNGFR and the Trk receptors might therefore have a greater activity – since they have a higher "microconcentration" of the neurotrophin.