Related Experiment Video
Updated: Feb 19, 2026

In Vivo Osteo-organoid Approach for Harvesting Therapeutic Hematopoietic Stem/Progenitor Cells
Published on: February 16, 2024
Hematopoietic stem cell mobilization with agents other than G-CSF
Jonathan Hoggatt1, Louis M Pelus
1Department of Microbiology and Immunology, Indiana University School of Medicine, Indianapolis, IN, USA.
New strategies are needed to mobilize hematopoietic stem cells for transplantation, as current methods using granulocyte-colony stimulating factor (G-CSF) have limitations. This review explores alternative G-CSF-free agents and methods for hematopoietic stem cell mobilization.
Area of Science:
- Hematology
- Stem Cell Biology
- Transplantation Medicine
Background:
- Hematopoietic stem cell transplantation relies on effective stem cell mobilization.
- Granulocyte-colony stimulating factor (G-CSF) is the current standard for mobilizing hematopoietic stem and progenitor cells (HSPCs) from bone marrow to peripheral blood.
- G-CSF therapy has associated morbidities and can be ineffective in some patient populations, driving the search for alternatives.
Purpose of the Study:
- To provide a comprehensive overview of non-G-CSF agents for hematopoietic stem cell mobilization.
- To discuss experimental procedures and technical considerations for evaluating novel mobilizing agents.
- To highlight the potential of alternative strategies for improving HSPC collection for transplantation.
Main Methods:
- Review of existing literature on hematopoietic stem cell mobilization.
- Analysis of mechanistic studies on bone marrow niche interactions.
- Evaluation of experimental protocols for assessing mobilizing agents.
Main Results:
- Identification of novel agents capable of hematopoietic mobilization beyond G-CSF.
- Understanding of bone marrow niche interactions influencing stem cell release.
- Assessment of methods for evaluating the efficacy of mobilizing agents, individually and in combination.
Conclusions:
- Non-G-CSF mobilization strategies are crucial for overcoming limitations of current therapies.
- Further research into novel agents and their mechanisms can optimize hematopoietic stem cell collection.
- Alternative mobilization approaches hold promise for improving transplantation outcomes.
Related Concept Videos
Regulation of Hematopoietic Stem Cells
Stem Cell Therapy for Tissue Regeneration
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Multipotency of Hematopoietic Stem Cells
Differentiation of Common Myeloid Progenitor Cells
Bone Marrow Sampling and Transplants
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
Role of Hematopoietic Growth Factors
Thrombopoietin (TPO), mainly released by the liver,...

