TGF-β–induced intracellular PAI-1 is responsible for retaining hematopoietic stem cells in the niche

Author:

Yahata Takashi12,Ibrahim Abd Aziz13,Muguruma Yukari13,Eren Mesut4,Shaffer Alexander M.4,Watanabe Nobuo1,Kaneko Satoko12,Nakabayashi Tetsuo5,Dan Takashi5,Hirayama Noriaki6,Vaughan Douglas E.4,Miyata Toshio5,Ando Kiyoshi13

Affiliation:

1. Research Center for Regenerative Medicine,

2. Department of Cell Transplantation and Regenerative Medicine, and

3. Department of Hematology and Oncology, Tokai University School of Medicine, Kanagawa, Japan;

4. Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL;

5. United Centers for Advanced Research and Translational Medicine, Tohoku University Graduate School of Medicine, Miyagi, Japan; and

6. Institute of Advanced Biosciences, Tokai University, Kanagawa, Japan

Abstract

Key PointsTGF-β–induced intracellular PAI-1 regulates the balance of HSPCs localization between BM and periphery. Intracellular PAI-1 inhibits Furin-dependent maturation of MT1-MMP in HSPCs, resulting in the suppression of HSPC motility.

Publisher

American Society of Hematology

Subject

Cell Biology,Hematology,Immunology,Biochemistry

Reference58 articles.

1. Bone-marrow haematopoietic-stem-cell niches;Wilson;Nat Rev Immunol,2006

2. Dormant and self-renewing hematopoietic stem cells and their niches;Wilson;Ann N Y Acad Sci,2007

3. The bone marrow niche for haematopoietic stem cells;Morrison;Nature,2014

4. Current understanding of stem cell mobilization: the roles of chemokines, proteolytic enzymes, adhesion molecules, cytokines, and stromal cells;Lapidot;Exp Hematol,2002

5. Egress and Mobilization of Hematopoietic Stem and Progenitor Cells: A Dynamic Multi-facet Process;Lapid,2012

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