Dye-coupling of melanocytes with endothelial cells and pericytes in the cochlea of gerbils

Cell and Tissue Research
S Takeuchi, M Ando

Abstract

Intercellular connections via gap junctions in the stria vascularis, which constitutes the lateral wall of the cochlear duct, were investigated by the Lucifer yellow microinjection method with the aid of a confocal laser microscope. The dye injected into an intermediate cell (melanocyte) diffused into capillary endothelial cells and pericytes as well as other intermediate cells, basal cells, and fibrocytes in the spiral ligament; whereas the dye injected into a marginal cell (epithelial cell) was confined to the injected cell. The observation of dye-coupling between intermediate cells and endothelial cells and pericytes makes likely the possibility that these cells work together to play a role in the specific function of the stria vascularis (i.e., production of the positive endocochlear potential and the endolymph) and adds endothelial cells and pericytes to the current "two-cell model" of the stria vascularis.

Citations

Jan 26, 2008·Proceedings of the National Academy of Sciences of the United States of America·Fumiaki NinYoshihisa Kurachi
Dec 30, 1999·Pigment Cell Research·M Tachibana
Apr 3, 2007·Proceedings of the National Academy of Sciences of the United States of America·Martine Cohen-SalmonChristine Petit
Aug 17, 2010·Audiological Medicine·Mohamed A HamidMayank B Dutia
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Jul 17, 1999·The American Journal of Physiology·S Takeuchi, M Ando

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