Immunoreactivity of Six Monoclonal Antibodies Directed Against 1,25-dihydroxyvitamin-D3 Receptors in Human Skin
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- Reichrath, J., Classen, U.G., Meineke, V. et al. Histochem J (2000) 32: 625. doi:10.1023/A:1026748824945
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Using confocal laser scanning microscopy, we tested the suitability of five monoclonal mouse antibodies (IVA7E7, IVB12G12, IVG9C11, VD2F12, and VIIID8C12) that had been raised against different domains of the porcine intestinal 1,25-dihydroxyvitamin-D3 receptor (VDR), for the immunohistological detection of VDR in human skin. The VDR immunoreactivity of these antibodies was compared with the well-characterized VDR-staining pattern of the mouse monoclonal antibody 9A7γ raised against chick intestinal VDR. All six antibodies revealed strong nuclear and qualitatively similar immunoreactivity in all cell layers of the viable epidermis. Our data demonstrate that the five mouse monoclonal antibodies are suitable for immunohistochemical detection of VDR in frozen sections. These antibodies show comparable staining patterns in human skin even though they had been raised against different functional domains of the 1,25-dihydroxyvitamin-D3 receptor.