Hepatitis A virus cellular receptor 2 (HAVCR2), also known as T-cell immunoglobulin and mucin-domain containing-3 (TIM-3), is a protein that in humans is encoded by the HAVCR2 (TIM-3)gene. HAVCR2 was first described in 2002 as a cell surface molecule expressed on IFNγ producing CD4+ Th1 and CD8+ Tc1 cells. Later, the expression was detected in Th17 cells, regulatory T-cells, and innate immune cells (dendritic cells, NK cells, monocytes, macrophages). HAVCR2 receptor is a regulator of the immune response.
Background References
1. Kandel S et al. The TIM3/Gal9 signaling pathway: An emerging target for cancer immunotherapy. Cancer Lett. 2021 Jul
2. Palacios LM et al. TIM3 Expression in Anaplastic-Thyroid-Cancer-Infiltrating Macrophages: An Emerging Immunotherapeutic Target. Biology (Basel). 2022 Nov
Western blot analysis of TIM 3 on different lysates with Rabbit anti-TIM 3 antibody (HA722891) at 1/4,000 dilution.
Lane 1: RPMI 8226 cell lysate (20 µg/Lane) Lane 2: HUT 102 cell lysate (40 µg/Lane) Lane 3: HT-29 cell lysate (negative) (40 µg/Lane)
Predicted band size: 33 kDa Observed band size: 55 kDa
Exposure time: 42 seconds; ECL: K1801;
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 (HA722891) at 1/4,000 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.
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