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Ex Vivo Expansion of Hematopoietic Stem Cells from Human Umbilical Cord Blood-derived CD34+ Cells Using Valproic Acid
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Getting more for your marrow: boosting hematopoietic stem cell numbers with PGE2
Elliott J Hagedorn1, Ellen M Durand1, Eva M Fast1
1Stem Cell Program and Division of Hematology/Oncology, Boston Children׳s Hospital and Dana Farber Cancer Institute, Howard Hughes Medical Institute, Harvard Stem Cell Institute, and Harvard Medical School, Boston, MA 02115, USA.
Experimental Cell Research
|August 6, 2014
Summary
Hematopoietic stem cell (HSC) expansion using dmPGE2 shows promise for transplantation. This therapy, derived from zebrafish research, is now in clinical trials for leukemia and lymphoma patients receiving umbilical cord blood (UCB) transplants.
Area of Science:
- Hematology
- Stem Cell Biology
- Pharmacology
Background:
- Hematopoietic stem cells (HSCs) are crucial for blood and immune system regeneration.
- HSC transplantation is a vital therapy for various diseases but faces donor limitations.
- Umbilical cord blood (UCB) offers an alternative HSC source, but often contains insufficient cell numbers for adult transplantation.
Purpose of the Study:
- To review the therapeutic potential of the lipid mediator dmPGE2 for ex vivo expansion of HSCs.
- To discuss current research and future directions for using dmPGE2 in HSC transplantation.
Main Methods:
- Review of existing scientific literature on dmPGE2 and HSC expansion.
- Analysis of preclinical findings and progression to clinical trials.
Main Results:
- dmPGE2 has demonstrated efficacy in expanding HSC numbers ex vivo.
- The compound was initially identified through chemical screening in zebrafish.
- dmPGE2 is currently undergoing a phase II clinical trial for UCB transplant recipients.
Conclusions:
- dmPGE2 represents a promising therapeutic strategy to overcome HSC number limitations in UCB transplantation.
- Further clinical evaluation of dmPGE2 is warranted to establish its safety and efficacy in patients with leukemia and lymphoma.
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