Neurotrophic Tyrosine Kinase, Receptor, Type 1 (NTRK1) (Middle Region)
Clone
polyclonal
Host Species
Rabbit
Reactive Species
human
Isotype
n/a
Format
unconjugated
Size
100 μg
Concentration
n/a
Applications
Western Blotting (WB),Immunohistochemistry (Paraffin-embedded Sections) (IHC (p))
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Description
Trk A (Neurotrophic tyrosine kinase receptor A) is the high affinity catalytic receptor for the neurotrophin, Nerve Growth Factor (NGF). Higher affinity binding of NGFR can achieved by association with higher molecular mass, low-affinity neurotrophin receptors, namely the tropomyosin receptor kinases, TRKA (NTRK1), TRKB (NTRK2), and TRKC (NTRK3). TRKA, TRKB, and TRKC are specific for or 'preferred by' NGF, NTF4 (Neurotrophin-4) and BDNF, and NTF3 (Neurotrophin-3), respectively. NTF3 also binds to TRKA and TRKB, but with significantly lower affinity. The absence of TrkA (NGFR) expression was associated with a strong increase in the Sp3 repressor short isoform (s) and a lack of the Sp3 activator long isoform. Sp3 is a bifunctional transcription factor that has been reported to stimulate or repress the transcription of numerous genes. Indo et al. (1996) concluded that defects in TRKA cause CIPA (Congenital insensitivity to pain with anhidrosis ) and that the NGF-TRKA system has a crucial role in the development and function of the nociceptive reception as well as establishment of thermoregulation via sweating in humans. These results also implicate genes encoding other TRK and neurotrophin family members as candidates for developmental defect (s) of the nervous system.
Immunogen
A synthetic peptide corresponding to a sequence in the middle region of human NTRK1, identical to the related rat and mouse sequences.Immunogen was affinity purified.