Kouta Niizuma

ORCID: 0000-0003-1183-1873
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About
Contact & Profiles
Research Areas
  • Hematopoietic Stem Cell Transplantation
  • Mesenchymal stem cell research
  • Pluripotent Stem Cells Research
  • CRISPR and Genetic Engineering
  • Single-cell and spatial transcriptomics
  • T-cell and B-cell Immunology
  • Immune cells in cancer
  • Radiopharmaceutical Chemistry and Applications
  • Zebrafish Biomedical Research Applications
  • bioluminescence and chemiluminescence research
  • Monoclonal and Polyclonal Antibodies Research
  • CAR-T cell therapy research

California Institute for Regenerative Medicine
2023-2024

Stanford University
2022-2024

The University of Tokyo
2022

The developmental origin of blood-forming hematopoietic stem cells (HSCs) is a longstanding question. Here, our non-invasive genetic lineage tracing in mouse embryos pinpoints that artery endothelial generate HSCs. Arteries are transiently competent to HSCs for 2.5 days (∼E8.5–E11) but subsequently cease, delimiting narrow time frame HSC formation vivo. Guided by the arterial origins blood, we efficiently and rapidly differentiate human pluripotent (hPSCs) into posterior primitive streak,...

10.1016/j.devcel.2024.03.003 article EN cc-by Developmental Cell 2024-04-02

Hematopoietic stem cells (HSCs) are a rare type of hematopoietic cell that can entirely reconstitute the blood and immune system after transplantation. Allogeneic HSC transplantation (HSCT) is used clinically as curative therapy for range hematolymphoid diseases; however, it remains high-risk because its potential side effects, including poor graft function graft-versus-host disease (GVHD). Ex vivo expansion has been suggested an approach to improve reconstitution in low-cell dose grafts....

10.1182/bloodadvances.2023009668 article EN cc-by-nc-nd Blood Advances 2023-02-21

A long-sought goal of cancer immunotherapy is to mass-produce T cells that specifically target tumor neoantigens. One decisive challenge the identification neoantigens derived from driver genes. Here, we identify recognize NSCLC-associated EGFR C797S mutation, which confers resistance current inhibitors and linked poor prognosis. To overcome limitations in cell availability, reprogrammed C797S-specific into induced pluripotent stem (iPSCs) re-differentiated them CD8⁺ cells. These...

10.1101/2025.02.15.638388 preprint EN cc-by-nc bioRxiv (Cold Spring Harbor Laboratory) 2025-02-20
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