Closely linked polymorphic markers for determining the autosomal dominant allele (Cy) in rat polycystic kidney disease

Shizuko Nagao, Toshikazu Ushijima, Masao Kasahara, Tamio Yamaguchi, Masatomo Kusaka, Jun Matsuda, Minako Nagao, Hisahide Takahashi

研究成果: ジャーナルへの寄稿学術論文査読

10 被引用数 (Scopus)

抄録

The Han:SPRD strain is an SD-background strain known to be a model of polycystic kidney disease (PKD) expressed through an autosomal dominant gene (Cy). However, different genotypes of this strain cannot be identified in the neonatal period. First, to establish an accurate method of determining the genotypes (Cy/Cy, Cy/+, +/+) which cause different disease progressions, we used polymorphic markers on rat chromosome 5. PCR products of tissue DNA templated with D5Rat9 showed distinct patterns on electrophoresis indicating three genotypes. Second, to determine whether the same locus plays a major role in expressing PKD, we performed linkage analyses in a [BN x (BN x Han:SPRD)F1] backcross. Cy/Cy and Cy/+ also caused PKD in a BN background. In this backcross, we discovered that D5Rat11 is located closer to the Cy locus than D5Mgh10, which is regarded as one of the closest loci. We conclude that D5Rat9 and D5Rat11 are useful markers for determining the presence of the Cy allele, which is regarded as the gene responsible for PKD.

本文言語英語
ページ(範囲)227-235
ページ数9
ジャーナルBiochemical Genetics
37
7-8
DOI
出版ステータス出版済み - 1999

All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学
  • 生化学
  • 分子生物学
  • 遺伝学

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