Pemphigus foliaceus IgG causes dissociation of desmoglein 1–containing junctions without blocking desmoglein 1 transinteraction
J. Clin. Invest. Jens Waschke, et al. 115:3157 doi:10.1172/JCI23475 [
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Figure 4Localization of Dsg1, Dsg3, and plakoglobin at cell-to-bead contacts. Dsg1-coated beads (
A–
D) and Fc-coated beads (
E and
F) were immunostained following settlement on HaCaT cells for 30 minutes. Immunostaining for Dsg1 (
B) showed localization of Dsg1 at the cell surface underneath most Dsg1-coated beads, which are visualized in
A by corresponding phase contrast microscopic image. Note halo-like accumulation of cellular Dsg1 and plakoglobin around the bead attachment sites (arrows in
B and
D). Similarly, Dsg3 (
C) was detected at cell-bead contacts. In contrast, no immunoreactivity for Dsg1 was found underneath Fc-coated beads visualized in a corresponding phase contrast figure (
E and
F). Scale bar: 10 μm for all panels (
n = 5).