Related Experiment Video
Updated: Jul 1, 2026
Isolation Method for Long-Term and Short-Term Hematopoietic Stem Cells
Published on: May 19, 2023
Isolation and assessment of long-term reconstituting hematopoietic stem cells from adult mouse bone marrow
David Kent1, Brad Dykstra, Connie Eaves
1University of British Columbia, Vancouver, Canada.
Abstract:
Suspensions of multipotent hematopoietic stem cells with long-term repopulating activity can now be routinely isolated from adult mouse bone marrow at purities of 30%. A robust method for obtaining these cells in a single step using multiparameter cell sorting to isolate the CD45(mid)lin(-)Rho(-)SP subset is described here, together with a detailed protocol for assessing their regenerative activity in mice transplanted with single cells. These procedures provide unprecedented power and precision for characterizing the molecular and biological properties of cells with hematopoietic stem cell activity at the single cell level.
Insights
Researchers have developed a new method to isolate hematopoietic stem cells (HSCs) from mouse bone marrow. This technique allows for precise characterization of HSCs at the single-cell level.
Area of Science:
- Hematology
- Stem Cell Biology
- Immunology
Background:
- Multipotent hematopoietic stem cells (HSCs) are crucial for blood regeneration.
- Routine isolation of HSCs with long-term repopulating activity from adult mouse bone marrow is now achievable at 30% purity.
Purpose of the Study:
- To describe a robust, single-step method for isolating HSCs using multiparameter cell sorting.
- To provide a detailed protocol for assessing the regenerative activity of single HSCs in vivo.
Main Methods:
- Multiparameter cell sorting was employed to isolate the CD45(mid)lin(-)Rho(-)SP subset.
- Single-cell transplantation assays were performed in mice to evaluate HSC regenerative activity.
Main Results:
- A high-purity subset of HSCs with long-term repopulating capacity was successfully isolated.
- The protocol enables precise assessment of the regenerative potential of individual HSCs.
Conclusions:
- The described method offers unprecedented power and precision for characterizing HSCs.
- This approach facilitates detailed molecular and biological studies of HSC activity at the single-cell level.
