Iinkage of the athymic nude locus with the myeloperoxidase locus in the rat

Yoshiki Murakumo, Masahide Takahashi, Naomi Hayashi, Masako Taguchi, Atsushi Arakawa, Nidhi Sharma, Keita Sakata, Mitsuhiro Saito, Hiroyuki Amo, Hideki Katoh, Mutsushi Matsuyama

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5 Citations (Scopus)


In rats of the BUF/Mna strain epithelial thymoma development is regulated by a single autosomal susceptible gene, Tsr‐1. In pre‐thymoma stage, BUF/Mna rats have extremely large thymuses, when compared with those of other strains of rats. The large thymus size of this strain is contributed by a thymus‐enlargement gene, Ten‐1. On the other hand, reduced thymus size and suppression of thymoma development were found in heterozygous BUF/Mna‐rnu/+ rats. Linkage studies between RNU and microsatellite and restriction fragment length polymorphism markers in ([BUFIMna‐runl rnu × WKY/NCrj]F1 × WKY/NCrj)‐ and (WKY/NCrj × [BUF/ Mna‐rnu/rnu × WKY/NCrj] F1)‐ backcross rats have led to the localization of RNU on chromosome 10. The rat homolog of mouse Mpo (myeloperoxidase) was also assigned to the chromosome 10. The gene order on the chromosome was MYHSE (myosin heavy chain of embryonic skeletal muscle) — (1.0 centimorgan [cM]) — SHBG (sex hormone‐binding globulin) — (4.0 cM) — RNU (Rowett rat nude) — (10.0cM) — MPO — (13.0 cM) — AEP (anion exchange protein). Conserved linkage of homologous loci mapped to rat chromosome 10 and mouse chromosome 11 supports the hypothesis that the RNU and MPO loci are rat homologs of the mouse nu and Mpo loci.

Original languageEnglish
Pages (from-to)261-265
Number of pages5
JournalPathology International
Issue number4
Publication statusPublished - 04-1995
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine


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