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Blood Regeneration and Regulation Lab
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A lab that explores how platelets are produced in the bone marrow, with the aim of creating bone marrow in culture.

AboutAbout the lab
Understanding bone marrow, and building it.
The Blood Regeneration and Regulation Lab studies how blood cells, especially platelets, are produced in the bone marrow.
The lab focuses on megakaryocytes, the cells that give rise to platelets, and on the bone marrow environment that surrounds them.
It also works on developing bone marrow organoids, which recreate bone marrow through cell culture, and on genetic analysis of hereditary blood coagulation disorders.
Key terms
- Megakaryocyte
- A cell that differentiates from a hematopoietic stem cell in the bone marrow. It produces platelets, which are responsible for stopping bleeding
- Microenvironment
- The local environment formed by other cells and proteins immediately surrounding a cell. It influences the differentiation and maturation of blood cells
- Organoid
- A small organ-like tissue made by culturing cells. It is expected to serve as a tool for studying development and disease and for regenerative medicine
NewsLab news
A doctoral student received the Clinical Laboratory Technologist Excellent Presentation Award at the 47th Annual Meeting of the Japanese Society on Thrombosis and Hemostasis
A factor that controls the differentiation of megakaryocyte subtypes was discovered and published in Thrombosis Research
A master's student received the Excellent Presentation Award at the General Meeting of the Hokkaido Branch of the Japanese Society of Laboratory Medicine
A master's student received the Best Poster Award at the Hokkaido University Cross-Departmental Symposium
A master's student received the Clinical Laboratory Technologist Excellent Presentation Award at the 46th Annual Meeting of the Japanese Society on Thrombosis and Hemostasis
ResearchResearch themes
The lab aims to clarify how platelets are produced in the bone marrow and what in the bone marrow environment regulates this, and to advance toward understanding diseases and toward regenerative medicine. It also works on creating bone marrow in culture and on analyzing hereditary blood coagulation disorders.
*Illustrative imageThe bone marrow environment that produces platelets
Platelets are produced in the bone marrow from cells called megakaryocytes. Focusing on cells called PDPN-positive stromal cells, the lab investigates how the bone marrow microenvironment that regulates megakaryocyte blood cell production is formed and maintained.
*Illustrative imageDevelopment of bone marrow organoids
The lab is working to clarify how bone marrow develops and how the environment that supports blood cell production is formed, and to recreate it in culture to make bone marrow organoids. These are expected to lead to models of blood diseases and materials for regenerative medicine.
*Illustrative imageHereditary blood coagulation disorders
The lab analyzes the genes of hereditary diseases such as those in which bleeding does not stop easily or blood clots form easily, and investigates at the cellular level why the changes it finds cause disease. This is joint research with institutions including Nagoya University Hospital.
MembersFaculty
The Blood Regeneration and Regulation Lab consists of faculty members and doctoral, master's, and undergraduate students.As of 2025
- Associate ProfessorShogo Tamura
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Megakaryocyte” Simon Caulton / CC BY-SA 3.0 (cropped)
- The bone marrow environment that produces platelets: “Megakaryocyte in bone marrow” Animalculist / CC BY-SA 4.0 (cropped)
- Development of bone marrow organoids: “SI organoid 1” Abhimanu.pandey / CC BY 4.0 (cropped)
- Hereditary blood coagulation disorders: “3D render of a human blood clot formed in vitro under flow” Joanne Mitchell / CC BY-SA 4.0 (cropped)
- Related lab (Senkenji Lab): “MSCs D21” MFT29 / CC BY-SA 4.0 (cropped)
- Related lab (Kamishima Lab): “Knee MRI T1 TSE Sagittal” Ptrump16 / CC BY-SA 4.0 (cropped)
- Related lab (Cellular Metabolic Chemistry Lab): “Adipocytes Lipid Droplets Oil Red O Staining Rkott 2023” Rkott / CC BY-SA 4.0 (cropped)
- Related lab (Adaptive Exercise Medical Science Lab): “Mouse running on a standard wheel” Manuelito2021consupadre / CC BY-SA 4.0 (cropped)
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