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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Differential extra-renal expression of the mouse renin genes.

We have used RNase-protection analyses to study renin gene expression in one- and two-gene mouse strains. The RNase-protection assay is capable of discriminating between the transcripts from the different renin genes. In a two-gene strain containing Ren- 1D and Ren-2, we demonstrate transcriptional activity from Ren- 1D in kidney, submandibular gland (SMG), testes, liver, brain and heart. Ren-2 is clearly expressed in kidney, SMG and testes. Similar analyses of one gene strains (containing Ren-1C only) show expression in kidney, SMG, testes, brain and heart. We cannot detect renin mRNA in the liver of these mice. Ren-1C and Ren- 1D thus display quite different tissue-specificities. In order to determine whether the different tissue-specificities of the highly homologous Ren-1C and Ren- 1D genes are due to different trans-acting factors in the different mouse strains or to different cis-acting DNA elements inherent to the genes, we introduced a Ren- 1D transgene ( Ren-1*) into a background strain containing only the Ren-1C gene. The transgene exhibits the same tissue-specificity as the Ren- 1D gene of two-gene strains suggesting the presence of different cis-acting DNA elements in Ren-1C and Ren- 1D.[1]

References

  1. Differential extra-renal expression of the mouse renin genes. Miller, C.C., Carter, A.T., Brooks, J.I., Lovell-Badge, R.H., Brammar, W.J. Nucleic Acids Res. (1989) [Pubmed]
 
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