Ectopic expression of Thy-1 in the kidneys of transgenic mice induces functional and proliferative abnormalities.
January 1987
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Hybrid human--mouse Thy-1.1 genes were injected into pronuclei of Thy-1.2 mice to produce transgenic animals. A hybrid gene composed of the 5' part of the mouse Thy-1.1 gene combined with the 3' human untranslated regions was expressed abnormally in the kidney podocytes, which resulted in severe protein-uria and subsequent death in several founder mice. A hybrid Thy-1 gene composed of the human coding region with the 5' and 3' flanking regions of the mouse gene was expressed abnormally in a different part of the kidney (the tubular epithelia), which resulted in a proliferative kidney disorder. In addition, a neoplasm was found in the brain of one of these mice. These results show that the Thy-1 protein can play an important role in the activation, proliferation, and differentiation of many different cell types.
- Animals
- Human
- Support, Non-U.S. Gov't
- Mice
- Mice, Transgenic
- *Gene Expression Regulation
- Mice, Inbred C57BL
- Mice, Inbred CBA
- Cells, Cultured
- Cell Division
- 0 (Antigens, Surface)
- 0 (Antigens, Thy-1)
- Antigens, Thy-1
- 0 (Isoantibodies)
- 0 (anti-Thy antibody)
- Antigens, Surface/*genetics/immunology
- Epithelium/immunology/pathology
- Isoantibodies/analysis
- Kidney Diseases/genetics/*immunology/pathology
- Kidney Glomerulus/immunology/pathology
- Kidney Tubules, Proximal/immunology/pathology
- Kidney/*immunology/pathology
- Proteinuria/immunology
- thy-l
- kidney
- figure
- expression
- mouse
- antibody
- level
- brain
- transgene
- podocyte
- animal
- serum
- proteinuria
- arrow
- tissue
- thy-l gene
- figure 2 b
- cell lines
- sequence
- morri