Summary
Rat glomerular mesangial cells were cultured and their antigens were compared with those of aortic vascular smooth muscle cells and dermal fibroblasts. Glomeruli, aortic, and dermal expiants were cultured for 3 weeks and subcultured in the same conditions. These cultured cells were evaluated by indirect immunofluorescence studies using antibodies against Thy-1 antigen, desmin, and chicken gizzard actin. Most of mesangial cells were positive for Thy-1, desmin, and actin. On the other hand, fibroblasts were negative for desmin, and smooth muscle cells stained Thy-1 scarcely, and were negative for desmin. In the latter two cells, actin-positive fibrils were thinner and fainter than mesangial cells. These results indicated that mesangial cells could be distinguished in vitro from vascular smooth cells and fibroblasts by immunofluorescence microscopy.
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Yaoita, E., Kazama, T., Kawasaki, K. et al. In vitro characteristics of rat mesangial cells in comparison with aortic smooth muscle cells and dermal fibroblasts. Virchows Archiv B Cell Pathol 49, 285–294 (1985). https://doi.org/10.1007/BF02912106
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DOI: https://doi.org/10.1007/BF02912106