Herpesvirus entry mediator (HVEM), also known as tumor necrosis factor receptor superfamily member 14 (TNFRSF14), is a human cell surface receptor of the TNF-receptor superfamily encoded by the TNFRSF14 gene. This protein was originally known as herpesvirus entry mediator A (HveA); HveB and HveC are structurally unrelated proteins of the immunoglobulin superfamily. It is also known as CD270 in the cluster of differentiation classification. Moreover, it is also referred to as ATAR (another TRAF-associated receptor). The protein encoded by this gene is a member of the TNF-receptor superfamily. The cytoplasmic region of this receptor was found to bind to several TNF receptor associated factor (TRAF) family members, which may mediate the signal transduction pathways that activate the immune response. In melanocytic cells TNFRSF14 gene expression may be regulated by MITF. TNFRSF14 has been shown to interact with TRAF2, TNFSF14 and TRAF5.
Background References
1. Kanai S et al. Increased expression of TNFRSF14 and LIGHT in biliary epithelial cells of patients with primary sclerosing cholangitis. Dig Liver Dis. 2024 Feb
2. de Groen RAL et al. Frequent mutated B2M, EZH2, IRF8, and TNFRSF14 in primary bone diffuse large B-cell lymphoma reflect a GCB phenotype. Blood Adv. 2021 Oct
Western blot analysis of TNFRSF14 on different lysates with Rabbit anti-TNFRSF14 antibody (HA722501) at 1/1,000 dilution.
Lane 1: SK-MEL-28 cell lysate Lane 2: SK-MEL-28 cell lysate treated with deglycosylation Lane 3: A549 cell lysate (negative)
Lysates/proteins at 20 µg/Lane.
Predicted band size: 30 kDa Observed band size: 40-50 kDa
Exposure time: 20 seconds; ECL: K1802;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722501) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
☑ Relative expression (RE)
Immunocytochemistry analysis of SK-MEL-28 (positive) and A549 (negative) labeling TNFRSF14 with Rabbit anti-TNFRSF14 antibody (HA722501) at 1/50 dilution.
Cells were fixed in 4% paraformaldehyde for 20 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 5 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-TNFRSF14 antibody (HA722501) at 1/50 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (M1305-2, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution.
☑ Relative expression (RE)
Flow cytometric analysis of SK-MEL-28 (left, positive) and A549 (right, negative) cells labeling TNFRSF14.
Cells were washed twice with cold PBS and resuspend. Then stained with the primary antibody (HA722501, 1μg/mL) (red) compared with Rabbit IgG Isotype Control (green). After incubation of the primary antibody at +4℃ for an hour, the cells were stained with a iFluor™ 488 conjugate-Goat anti-Rabbit IgG Secondary antibody (HA1121) at 1/1,000 dilution for 30 minutes at +4℃. Unlabelled sample was used as a control (cells without incubation with primary antibody; black).
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