Proteomics reveals dynamic metabolic changes in human hematopoietic stem progenitor cells from fetal to adulthood.
Adult bone marrow (aBM)
Fetal liver (FL)
Glutathione (GSH)
Hematopoietic stem progenitor cells (HSPCs)
Metabolic remodelling
Proteomics
Umbilical cord blood (UCB)
Journal
Stem cell research & therapy
ISSN: 1757-6512
Titre abrégé: Stem Cell Res Ther
Pays: England
ID NLM: 101527581
Informations de publication
Date de publication:
15 Sep 2024
15 Sep 2024
Historique:
received:
23
07
2024
accepted:
06
09
2024
medline:
16
9
2024
pubmed:
16
9
2024
entrez:
15
9
2024
Statut:
epublish
Résumé
Hematopoietic stem progenitor cells (HSPCs) undergo phenotypical and functional changes during their emergence and development. Although the molecular programs governing the development of human hematopoietic stem cells (HSCs) have been investigated broadly, the relationships between dynamic metabolic alterations and their functions remain poorly characterized. In this study, we comprehensively described the proteomics of HSPCs in the human fetal liver (FL), umbilical cord blood (UCB), and adult bone marrow (aBM). The metabolic state of human HSPCs was assessed via a Seahorse assay, RT‒PCR, and flow cytometry-based metabolic-related analysis. To investigate whether perturbing glutathione metabolism affects reactive oxygen species (ROS) production, the metabolic state, and the expansion of human HSPCs, HSPCs were treated with buthionine sulfoximine (BSO), an inhibitor of glutathione synthetase, and N-acetyl-L-cysteine (NAC). We investigated the metabolomic landscape of human HSPCs from the fetal, perinatal, and adult developmental stages by in-depth quantitative proteomics and predicted a metabolic switch from the oxidative state to the glycolytic state during human HSPC development. Seahorse assays, mitochondrial activity, ROS level, glucose uptake, and protein synthesis rate analysis supported our findings. In addition, immune-related pathways and antigen presentation were upregulated in UCB or aBM HSPCs, indicating their functional maturation upon development. Glutathione-related metabolic perturbations resulted in distinct responses in human HSPCs and progenitors. Furthermore, the molecular and immunophenotypic differences between human HSPCs at different developmental stages were revealed at the protein level for the first time. The metabolic landscape of human HSPCs at three developmental stages (FL, UCB, and aBM), combined with proteomics and functional validations, substantially extends our understanding of HSC metabolic regulation. These findings provide valuable resources for understanding human HSC function and development during fetal and adult life.
Sections du résumé
BACKGROUND
BACKGROUND
Hematopoietic stem progenitor cells (HSPCs) undergo phenotypical and functional changes during their emergence and development. Although the molecular programs governing the development of human hematopoietic stem cells (HSCs) have been investigated broadly, the relationships between dynamic metabolic alterations and their functions remain poorly characterized.
METHODS
METHODS
In this study, we comprehensively described the proteomics of HSPCs in the human fetal liver (FL), umbilical cord blood (UCB), and adult bone marrow (aBM). The metabolic state of human HSPCs was assessed via a Seahorse assay, RT‒PCR, and flow cytometry-based metabolic-related analysis. To investigate whether perturbing glutathione metabolism affects reactive oxygen species (ROS) production, the metabolic state, and the expansion of human HSPCs, HSPCs were treated with buthionine sulfoximine (BSO), an inhibitor of glutathione synthetase, and N-acetyl-L-cysteine (NAC).
RESULTS
RESULTS
We investigated the metabolomic landscape of human HSPCs from the fetal, perinatal, and adult developmental stages by in-depth quantitative proteomics and predicted a metabolic switch from the oxidative state to the glycolytic state during human HSPC development. Seahorse assays, mitochondrial activity, ROS level, glucose uptake, and protein synthesis rate analysis supported our findings. In addition, immune-related pathways and antigen presentation were upregulated in UCB or aBM HSPCs, indicating their functional maturation upon development. Glutathione-related metabolic perturbations resulted in distinct responses in human HSPCs and progenitors. Furthermore, the molecular and immunophenotypic differences between human HSPCs at different developmental stages were revealed at the protein level for the first time.
CONCLUSION
CONCLUSIONS
The metabolic landscape of human HSPCs at three developmental stages (FL, UCB, and aBM), combined with proteomics and functional validations, substantially extends our understanding of HSC metabolic regulation. These findings provide valuable resources for understanding human HSC function and development during fetal and adult life.
Identifiants
pubmed: 39278906
doi: 10.1186/s13287-024-03930-x
pii: 10.1186/s13287-024-03930-x
doi:
Substances chimiques
Reactive Oxygen Species
0
Buthionine Sulfoximine
5072-26-4
Glutathione
GAN16C9B8O
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
303Subventions
Organisme : the National Key R&D Program of China
ID : 2022YFA1106300
Organisme : the National Key R&D Program of China
ID : 2021YFA1102400
Organisme : the National Natural Science Foundation of China
ID : 82370108
Organisme : the National Natural Science Foundation of China
ID : 81800102
Organisme : Beijing Nova Program
ID : Z201100006820057
Organisme : Beijing Nova Program
ID : 20230484404
Organisme : Young Elite Scientists Sponsorship Program by CAST
ID : 2022QNRC001
Organisme : the Young Talent Foundation of PLA General Hospital
ID : 2019-YQPY-002
Informations de copyright
© 2024. The Author(s).
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