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Modeling of the inherence of feedback regulation and stem cell behavior in granulopoiesis
http://hdl.handle.net/2297/2806
http://hdl.handle.net/2297/2806ac4d3000-4c4a-453b-9d0e-f7857320d15d
名前 / ファイル | ライセンス | アクション |
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HP-PR-SAIKAWA-Y-01.pdf (73.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-05 | |||||
タイトル | ||||||
タイトル | Modeling of the inherence of feedback regulation and stem cell behavior in granulopoiesis | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Saikawa, Yutaka
× Saikawa, Yutaka× Komatsuzaki, Toshihiko× Nishimura, Ryosei× Maeba, Hideaki× Uehara, Takahiro× Koizumi, Shoichi |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学医学部附属病院小児科 | |||||
書誌情報 |
Blood 巻 98, 号 11, p. 110b-110b, 発行日 2000-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0006-4971 | |||||
出版者 | ||||||
出版者 | American Society of Hematology | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Long-standing controversies in hematopoiesis are the mechanisms of self-maintenance and differentiation commitment of the hematopoietic stem cells (HSC), and regulation of the peripheral control of hematopoiesis. In the present study, we have applied a threedimensional cellular automaton (CA) model to granulopoiesis in order to identify the internally generative theoretical relationship between microscopic mechanisms and macroscopic behavior of hematopoietic processes. The number of mitotic event of the cells in a proliferating phase, the transit time of each of 15 differential stages from HSC to mature cells (designated as Tl to Tl 5, and Tdup for HSC duplication time), and the neighborhood rules for HSC self-renewal were incorporated in this model system as analytical parameters. Homeostatic granulopoiesis was achieved when the following inequalities for the transit times were fulfilled: Tl > Z Tn (n = 2 to 15) and Tdup > 1/2 Tl. Importantly, stabilization of the cell production was induced in a negative feedback manner following external perturbation of the peripheral granulocyte numbers. The Tdup of individual HSC was dramatically fluctuated to produce the offspring responding to this perturbation. A single cell kinetic analysis demonstrated that symmetrical or asymmetrical cell division of the HSC was recruited in a transitional manner resulting in generation of the regulatory effect on the lineage-commitment processes. The inherence of feedback regulation would be a characteristic feature of the emergent dynamical property in the hematopoietic system. The CA modeling will provide the framework to analyze the behavior of HSC and to understand abnormal kinetics of the cells such as minimal residual disease in the treatment of leukemias. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |