Innate immune signal-mediated regulation and alterations in hematopoiesis

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  • 自然免疫シグナルを介した造血制御とその変容
  • シゼン メンエキ シグナル オ カイシタ ゾウケツ セイギョ ト ソノ ヘンヨウ

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Abstract

<p>Hematopoietic stem cells (HSCs) are maintained in steady state in the bone marrow (BM); these cells are capable of continuous self-renewal and have the potential for multilineage-differentiation into all blood cell lineages. The BM has long been considered as an immune-privilege organ with little immunological reactions. However, recent findings have revealed that immunological/hematopoietic challenges such as infection or inflammation induce broad spectrum of immune and inflammatory responses in BM. While these responses play a beneficial role to boost immune activation and blood production, chronic challenge might lead to BM pathology and dysregulation, including hematopoietic aplasia or neoplasia. We will introduce recent findings focused on hematopoietic activation induced by existing outside of our body or co-existing with us, and discuss to what degree and how function of HSCs and progenitors is regulated and altered by bacterial insult.</p>

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  • Rinsho Ketsueki

    Rinsho Ketsueki 61 (6), 651-656, 2020

    The Japanese Society of Hematology

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