DPPA2 (developmental pluripotency associated 2) is an embryo-cancer antigen that is coexpressed with cancer-testis antigens in non-small cell lung cancer. Dppa2 is closely linked SAP motif genes restricted to pluripotent cells and the germ line. It may play a role in maintaining cell pluripotentiality and in embryo preimplantation development.
Background References
1. Bortvin A., Eggan K., Skaletsky H., etc. "Incomplete reactivation of Oct4-related genes in mouse embryos cloned from somatic nuclei."; Development 130:1673-1680(2003).
2. Du J., Lin G., Nie Z.Y., Lu G.X.; "Molecular cloning and characterization analysis of HPESCRG1, a novel gene expressed specifically in human embryonic stem cell.";Zhonghua Yi Xue Yi Chuan Xue Za Zhi 21:542-547(2004).Kawai J."The transcriptional landscape of the mammalian genome.";Science 309:1559-1563(2005).
Western blot analysis on F9 using anti-DPPA2 polyclonal antibody
Immunohistochemical analysis of paraffin-embedded human colon tissue with Rabbit anti-DPPA2 antibody (0731-4) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) (high pressure) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (0731-4) at 1/1,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
Immunohistochemical analysis of paraffin-embedded human testis tissue with Rabbit anti-DPPA2 antibody (0731-4) at 1/1,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) (high pressure) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (0731-4) at 1/1,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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