Putative candidate genes for blood pressure control in the SHR.BN-RNO8 congenic substrains |
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Authors: | Drahomíra Kenov Lucie oltysov Michal Pravenec Marie-Pierre Moisan W Theodore Kurtz Vladimír Ken |
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Institution: | Drahomíra K?enová, Lucie ?oltysová, Michal Pravenec, Marie-Pierre Moisan, W. Theodore Kurtz,Vladimír K?en, |
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Abstract: | The SHR-Lx congenic strain carrying a differential segment of chromosome 8 of BN and PD origin was recently shown to exhibit a significant decrease in blood pressure as compared to the SHR strain. There were two positional candidate genes for blood pressure control mapped to the differential segment: the rat kidney epithelial potassium channel gene (Kcnj1) and brain dopamine receptor 2 gene (Drd2). Bot these genes were separated into SHR.BN-RNO8 congenic substrains. In this communication, we are presenting the assignment of two further putative candidate genes, which might be involved in blood pressure control to the BN/PD differential segment of the SHR-Lx congenic strain. These are: the gene coding for smooth muscle cell specific protein 22 (Sm22) defined by the D8Mcw1 marker and neuronal nicotinic acetylcholine receptor gene cluster, defined by the D8Bord1 marker. Moreover, the glutamate receptor gene Grik4 which also maps to the differential segment of the SHR-Lx should be taken into account. The genetic separation of all these putative candidate genes of blood pressure control is being performed by recombinations and subsequent selection using (SHR×SHR-Lx) intercross population. |
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Keywords: | candidate genes blood pressure control chromosome 8 congenic substrains |
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