Detection of TROY/TNFRSF19 in HEK293 Human Cell Line Transfected with Human TROY/TNFRSF19 by Flow Cytometry. HEK293 human embryonic kidney cell line transfected with either human TROY/TNFRSF19 (filled histogram) or irrelevant transfectants (open histogram) was stained with Mouse Anti-Human TROY/ TNFRSF19 Monoclonal Antibody (Catalog # MAB15481), followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). View our protocol for Staining Membrane-associated Proteins.
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
TROY (also known as TAJ and TNFRSF19) is a 45‑55 kDa member of the TNF receptor superfamily of molecules (1‑4). It is widely expressed in the embryo, but shows limited expression in adult. In particular, embryonic TROY is found in embryonic epithelium, neural tube, and mesenchyme, and developing neurons of the hippocampus and thalamus (5, 6). In the adult, TROY is found in the nervous system associated with dorsal root and retinal ganglia neurons, astrocytes, and microglia, and in hair follicles where it is expressed by dermal papilla matrix cells (4, 7, 8, 9). In human, TROY has also been found on melanoma cells, not normal melanocytes (10). TROY is reportedly a component of the Nogo-A receptor, taking the place of p75 in a membrane-bound LINGO-1:NgR1:TROY complex (6, 8, 9). This complex purportedly mediates axon repulsion initiated by one of five myelin-associated inhibitory factors (OMpg; CD100; Ephrin B3; Nogo-A; MAG) (6, 11). In the hair follicle, TROY binds LTa and acts with Eda to drive secondary hair follicle development (4, 12). Mature human TROY is a 394 amino acid (aa) type I transmembrane protein (1‑3). It possesses a 141 aa extracellular region (aa 30‑170) that contains three 40 aa TNFR cysteine motifs, and an extended 232 aa cytoplasmic domain (aa 192‑423). There is one potential isoform that shows a two aa substitution for aa 416‑423. The extracellular domains of human and mouse TROY share 90% aa identity.
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Tumor Necrosis Factor Receptor Superfamily, Member 19
Entrez Gene IDs:
55504 (Human); 29820 (Mouse)
TAJ; TAJ-alpha; TAJToxicity and JNK inducer; TNFRSF19; TRADE; TROY; TROYtumor necrosis factor receptor superfamily member 19; tumor necrosis factor receptor superfamily, member 19
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