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A mouse model of adult-onset anaemia due to erythropoietin deficiency

Author

Listed:
  • Shun Yamazaki

    (Tohoku University Graduate School of Medicine)

  • Tomokazu Souma

    (Tohoku University Graduate School of Medicine)

  • Ikuo Hirano

    (Tohoku University Graduate School of Medicine)

  • Xiaoqing Pan

    (Tohoku University Graduate School of Medicine
    Tohoku Medical Megabank Organization, Tohoku University Graduate School of Medicine)

  • Naoko Minegishi

    (Tohoku University Graduate School of Medicine
    Tohoku Medical Megabank Organization, Tohoku University Graduate School of Medicine)

  • Norio Suzuki

    (United Centers for Advanced Research and Translational Medicine, Tohoku University Graduate School of Medicine)

  • Masayuki Yamamoto

    (Tohoku University Graduate School of Medicine
    Tohoku Medical Megabank Organization, Tohoku University Graduate School of Medicine)

Abstract

Erythropoietin regulates erythropoiesis in a hypoxia-inducible manner. Here we generate inherited super-anaemic mice (ISAM) as a mouse model of adult-onset anaemia caused by erythropoietin deficiency. ISAM express erythropoietin in the liver but lack erythropoietin production in the kidney. Around weaning age, when the major erythropoietin-producing organ switches from the liver to the kidney, ISAM develop anaemia due to erythropoietin deficiency, which is curable by administration of recombinant erythropoietin. In ISAM severe chronic anaemia enhances transgenic green fluorescent protein and Cre expression driven by the complete erythropoietin-gene regulatory regions, which facilitates efficient labelling of renal erythropoietin-producing cells. We show that the majority of cortical and outer medullary fibroblasts have the innate potential to produce erythropoietin, and also reveal a new set of erythropoietin target genes. ISAM are a useful tool for the evaluation of erythropoiesis-stimulating agents and to trace the dynamics of erythropoietin-producing cells.

Suggested Citation

  • Shun Yamazaki & Tomokazu Souma & Ikuo Hirano & Xiaoqing Pan & Naoko Minegishi & Norio Suzuki & Masayuki Yamamoto, 2013. "A mouse model of adult-onset anaemia due to erythropoietin deficiency," Nature Communications, Nature, vol. 4(1), pages 1-12, October.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms2950
    DOI: 10.1038/ncomms2950
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