|Detection of Human TRIF/TICAM1 by Western Blot. Western blot shows lysates of Ramos human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line. PVDF Membrane was probed with 0.25 µg/mL of Human TRIF/TICAM1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6216) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF109). A specific band was detected for TRIF/TICAM1 at approximately 110 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.|
|TRIF/TICAM1 in Raji Human Cell Line. TRIF/TICAM1 was detected in immersion fixed Raji human Burkitt's lymphoma cell line using Human TRIF/TICAM1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF6216) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Non-adherent Cells.|
TRIF (TIR domain-containing adaptor inducing IFN-beta ; also TICAM1) is a 105-110 kDa cytoplasmic adaptor molecule that mediates Toll receptor signaling. It is widely expressed and associates with both TLR3 and TLR4. Relative to TLR3, TRIF appears to activate IRF 3, -4, and -7, as well as NF kappa B and FADD. Its action on FADD is through RIP1, and this induces apoptosis. Human TRIF is 712 amino acids (aa) in length and contains three TRAF6 bonding motifs (aa 84-91, 248-255 and 299-309), one TIR domain (aa 390-460), a Pro-rich region (aa 614-678), and an overlapping RHIM domain (aa 661-699). The molecule is reported to form a homodimer. There are multiple potential isoform variants. One shows a 23 aa substitution for aa 31-162 accompanied by a Pro substitution for aa 633-660, a second shows a 44 aa substitution for aa 352-712, and a third shows a 38 aa substitution for aa 271-712. Over aa 29-204, human TRIF shares 62% aa identity with mouse TRIF.
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