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Ikeya Lab
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The lab recreates the developmental pathway to make the cells that give rise to bone and cartilage from iPS cells.

AboutAbout the lab
Generating cells by mimicking development.
To use iPS cells in medicine, whether for cell transplantation, elucidating diseases, or drug discovery, it is essential to have methods for producing the target cells reliably and easily.
The Ikeya Lab develops methods for inducing differentiation of cells that are difficult to make or for which simpler, more efficient methods are needed. In particular, it focuses on cells at intermediate stages of development, and develops methods that mimic the environment in the body to induce the target cells step by step, as well as culture methods that maintain the cells at each stage as stem cells.
Using these technologies, the lab aims to develop new treatments for intractable diseases.
Key terms
- Neural crest cells
- Cells that arise early in development and become a variety of tissues, such as facial bones and nerves
- Mesenchymal stem cells
- Stem cells that can become bone, cartilage, fat, and other tissues
- Organoid
- A small, organ-like tissue made by culturing stem cells and other cells in three dimensions
- Fibrodysplasia ossificans progressiva
- A rare genetic disease in which bone forms inside muscle and other tissues
ResearchResearch themes
The lab focuses on neural crest cells, somitic mesoderm, lateral plate mesoderm, and mesenchymal stem cells, conducting research from basic science to applications.
*Illustrative imageMaking jawbone from iPS cells
The jawbone develops from neural crest cells. The lab has succeeded in creating three-dimensional jawbone organoids from human iPS cells by following the developmental process of the jawbone.
*Illustrative imageMesenchymal cells change depending on their developmental path
The lab generated mesenchymal cells from iPS cells through five different developmental pathways and compared them, finding that the cells have distinct characteristics depending on the pathway.
*Illustrative imageAn intractable disease in which bone forms in muscle
The lab studies fibrodysplasia ossificans progressiva, a rare intractable disease in which bone forms within muscle.
MembersFaculty
- Associate ProfessorMakoto Ikeya
- Program-Specific Assistant ProfessorYayoi Toyooka
- Specially Appointed Assistant ProfessorSota Motoike
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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: “Migration of Neural Crest Cells (v2)” MWatson12 / CC BY-SA 4.0 (cropped)
- Making jawbone from iPS cells: “Gray995 zh” Henry Vandyke Carter / Public domain (cropped)
- Mesenchymal cells change depending on their developmental path: “Placenta mesenchymal stromal cells mechanisms of action” de la Torre, P., Jesús Pérez-Lorenzo, M., & I. Flores, A / CC BY 4.0 (cropped)
- An intractable disease in which bone forms in muscle: “Bone-cross-section” Baedr-9439 / CC0 (cropped)
- Related lab (Hotta Lab): “Cas9 5AXW” Thomas Splettstoesser (www.scistyle.com) / CC BY-SA 4.0 (cropped)
- Related lab (Saito Lab): “Stem Cell Research” The U.S. Food and Drug Administration / Public domain (cropped)
- Related lab (Kaneko Lab): “Human Natural Killer Cell ( )” NIAID / CC BY 2.0 (cropped)
- Related lab (Sakurai Lab): “Skeletal muscle1-es” The original uploader was Jeremykemp at English Wikipedia. / CC BY 4.0 (cropped)
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