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p75NTR Antibody #2693

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  • WB
Western Blotting Image 1: p75NTR Antibody
Western blot analysis of extracts from differentiated and undifferentiated RN33B cells using p75NTR Antibody.
This product is discontinued

Inquiry Info. # 2693

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Product Specifications

REACTIVITY H R
SENSITIVITY Endogenous
MW (kDa) 75
SOURCE Rabbit
Application Key:
  • WB-Western Blotting 
Species Cross-Reactivity Key:
  • H-Human 
  • R-Rat 

Product Information

Product Usage Information

Application Dilution
Western Blotting 1:1000

Storage

Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.

Protocol

Specificity / Sensitivity

p75NTR Antibody detects endogenous levels of total p75NTR protein.

Species Reactivity:

Human, Rat

The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.

Species predicted to react based on 100% sequence homology:

Mouse

Source / Purification

Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to the sequence of human p75NTR. Antibodies are purified by peptide affinity chromatography.

Background

The p75 neurotrophin receptor (p75NTR), a member of the TNF receptor superfamily, is distinguished by multiple cysteine-rich ligand-binding domains, a single transmembrane sequence, and a noncatalytic cytoplasmic domain (1). p75NTR displays paradoxical functions when acting alone or with other receptor proteins. Working in concert with Trk receptors, p75NTR recognizes neurotrophins and transmits trophic signals into the cell. Both p75NTR and TrkA are required to activate PI3K-Akt signaling, while TrkA can individually activate the MAP kinase pathway. In contrast, p75NTR, possibly through JNK, ensures appropriate apoptosis of injured neurons and improperly targeted neonatal neurons (2).

The p75NTR protein undergoes sequential cleavage similar to APP and Notch. First, α-secretase removes the p75NTR ectodomain, eliminating ligand-mediated signaling. At this point, the membrane-tethered cleavage product can still fine-tune Trk-mediated trophic actions. γ-secretase cleaves within the transmembrane domain to liberate the cytoplasmic tail from its membrane anchor and allow the p75NTR intracellular domain to translocate to the nucleus (3,4).

Alternate Names

CD271; gp80-LNGFR; nerve growth factor receptor TNFR superfamily member 16; NGFR; NTR; TNFRSF16; tumor necrosis factor receptor superfamily member 16

For Research Use Only. Not for Use in Diagnostic Procedures.
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