PUBLICATION
Microenvironmental control of hematopoietic stem cell fate via CXCL8 and protein kinase C
- Authors
- Binder, V., Li, W., Faisal, M., Oyman, K., Calkins, D.L., Shaffer, J., Teets, E.M., Sher, S., Magnotte, A., Belardo, A., Deruelle, W., Gregory, T.C., Orwick, S., Hagedorn, E.J., Perlin, J.R., Avagyan, S., Lichtig, A., Barrett, F., Ammerman, M., Yang, S., Zhou, Y., Carson, W.E., Shive, H.R., Blachly, J.S., Lapalombella, R., Zon, L.I., Blaser, B.W.
- ID
- ZDB-PUB-230521-36
- Date
- 2023
- Source
- Cell Reports 42: 112528112528 (Journal)
- Registered Authors
- Zhou, Yi, Zon, Leonard I.
- Keywords
- CP: Stem cell research, hematopoiesis, CXCL8, PKC, barcoding, lineage tracing, zebrafish, vascular niche, hematopoietic niche, microenvironment, clonality
- Datasets
- GEO:GSE191029
- MeSH Terms
-
- Animals
- Endothelial Cells*/metabolism
- Hematopoiesis/genetics
- Hematopoietic Stem Cells/metabolism
- Humans
- Interleukin-8/metabolism
- Phylogeny
- Protein Kinase C-delta/metabolism
- Stem Cell Niche
- Zebrafish*
- PubMed
- 37209097 Full text @ Cell Rep.
Citation
Binder, V., Li, W., Faisal, M., Oyman, K., Calkins, D.L., Shaffer, J., Teets, E.M., Sher, S., Magnotte, A., Belardo, A., Deruelle, W., Gregory, T.C., Orwick, S., Hagedorn, E.J., Perlin, J.R., Avagyan, S., Lichtig, A., Barrett, F., Ammerman, M., Yang, S., Zhou, Y., Carson, W.E., Shive, H.R., Blachly, J.S., Lapalombella, R., Zon, L.I., Blaser, B.W. (2023) Microenvironmental control of hematopoietic stem cell fate via CXCL8 and protein kinase C. Cell Reports. 42:112528112528.
Abstract
Altered hematopoietic stem cell (HSC) fate underlies primary blood disorders but microenvironmental factors controlling this are poorly understood. Genetically barcoded genome editing of synthetic target arrays for lineage tracing (GESTALT) zebrafish were used to screen for factors expressed by the sinusoidal vascular niche that alter the phylogenetic distribution of the HSC pool under native conditions. Dysregulated expression of protein kinase C delta (PKC-δ, encoded by prkcda) increases the number of HSC clones by up to 80% and expands polyclonal populations of immature neutrophil and erythroid precursors. PKC agonists such as cxcl8 augment HSC competition for residency within the niche and expand defined niche populations. CXCL8 induces association of PKC-δ with the focal adhesion complex, activating extracellular signal-regulated kinase (ERK) signaling and expression of niche factors in human endothelial cells. Our findings demonstrate the existence of reserve capacity within the niche that is controlled by CXCL8 and PKC and has significant impact on HSC phylogenetic and phenotypic fate.
Genes / Markers
Expression
Phenotype
Mutations / Transgenics
Human Disease / Model
Sequence Targeting Reagents
Fish
Orthology
Engineered Foreign Genes
Mapping