Safe And Efficient Collection of Cytokine-Mobilized Peripheral Blood Cells From Cynomolgus Monkeys (Macaca fascicularis) with Human Newborn-Equivalent Body Weights

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  • AGEYAMA Naohide
    Tsukuba Primate Research Center, National Institute of Biomedical Innovation Corporation for Production and Research of Laboratory Primates
  • HANAZONO Yutaka
    Center for Molecular Medicine, Jichi Medical School
  • SHIBATA Hiroaki
    Tsukuba Primate Research Center, National Institute of Biomedical Innovation Center for Molecular Medicine, Jichi Medical School
  • ONO Fumiko
    Corporation for Production and Research of Laboratory Primates
  • OGAWA Hiromi
    Corporation for Production and Research of Laboratory Primates
  • NAGASHIMA Takeyuki
    DNAVEC Corporation
  • UEDA Yasuji
    DNAVEC Corporation
  • YOSHIKAWA Yasuhiro
    Department of Biomedical Science, Graduate School of Agriculture and Life Science, University of Tokyo
  • HASEGAWA Mamoru
    DNAVEC Corporation
  • OZAWA Keiya
    Center for Molecular Medicine, Jichi Medical School
  • TERAO Keiji
    Tsukuba Primate Research Center, National Institute of Biomedical Innovation

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Abstract

Hematopoietic stem cells in bone marrow can be mobilized into peripheral blood by cytokine administration. Cytokine-mobilized peripheral blood stem cells are of great use in clinical applications. We previously established a modified procedure for the collection of cytokine-mobilized peripheral blood cells from rhesus monkeys (Macaca mulata) using a commercially available apparatus originally developed for human subjects. In this study, we examined the efficacy and safety of this method with even smaller macaques, cynomolgus monkeys (Macaca fascicularis), which are equivalent to human newborns in body weight (mean = 3.3 kg). Using the manufacturer's unmodified protocol (n=6), one monkey died of cardiac failure and three developed severe anemia. In contrast, using our modified procedure (n=6), no such complication was observed in any animal. In addition, the harvested nuclear cell, mononuclear cell and CD34+ cell counts were significantly higher with the modified method. The modified method should allow safe and efficient collection of cytokine-mobilized peripheral blood cells from non-human primates as small as human newborns in a non-invasive manner.<br>

Journal

  • Experimental Animals

    Experimental Animals 54 (5), 421-428, 2005

    Japanese Association for Laboratory Animal Science

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