TY - JOUR
T1 - Catecholaminergic neurotransmitters regulate migration and repopulation of immature human CD34+ cells through Wnt signaling
AU - Spiegel, Asaf
AU - Shivtiel, Shoham
AU - Kalinkovich, Alexander
AU - Ludin, Aya
AU - Netzer, Neta
AU - Goichberg, Polina
AU - Azaria, Yaara
AU - Resnick, Igor
AU - Hardan, Izhar
AU - Ben-Hur, Herzel
AU - Nagler, Arnon
AU - Rubinstein, Menachem
AU - Lapidot, Tsvee
N1 - Funding Information:
We thank L. Abel for assistance; E. Tzahor (Weizmann Institute of Science) for CRD-Frzb-enriched conditioned medium; and A. Globerson and S. Berrih-Aknin for discussions and critical review of the manuscript. Supported by Ares-Serono, the Gabriella Rich Center for Transplantation Biology, the Israel Science Foundation (796/04) and the Helen and Martin Kimmel Institute for Stem Cell Research at the Weizmann Institute of Science.
PY - 2007/10
Y1 - 2007/10
N2 - Catecholamines are important regulators of homeostasis, yet their functions in hematopoiesis are poorly understood. Here we report that immature human CD34+ cells dynamically expressed dopamine and β2-adrenergic receptors, with higher expression in the primitive CD34+CD38lo population. The myeloid cytokines G-CSF and GM-CSF upregulated neuronal receptor expression on immature CD34+ cells. Treatment with neurotransmitters increased the motility, proliferation and colony formation of human progenitor cells, correlating with increased polarity, expression of the metalloproteinase MT1-MMP and activity of the metalloproteinase MMP-2. Treatment with catecholamines enhanced human CD34+ cell engraftment of NOD-SCID mice through Wnt signaling activation and increased cell mobilization and bone marrow Sca-1+ c-Kit+Lin- cell numbers. Our results identify new functions for neurotransmitters and myeloid cytokines in the direct regulation of human and mouse progenitor cell migration and development.
AB - Catecholamines are important regulators of homeostasis, yet their functions in hematopoiesis are poorly understood. Here we report that immature human CD34+ cells dynamically expressed dopamine and β2-adrenergic receptors, with higher expression in the primitive CD34+CD38lo population. The myeloid cytokines G-CSF and GM-CSF upregulated neuronal receptor expression on immature CD34+ cells. Treatment with neurotransmitters increased the motility, proliferation and colony formation of human progenitor cells, correlating with increased polarity, expression of the metalloproteinase MT1-MMP and activity of the metalloproteinase MMP-2. Treatment with catecholamines enhanced human CD34+ cell engraftment of NOD-SCID mice through Wnt signaling activation and increased cell mobilization and bone marrow Sca-1+ c-Kit+Lin- cell numbers. Our results identify new functions for neurotransmitters and myeloid cytokines in the direct regulation of human and mouse progenitor cell migration and development.
UR - http://www.scopus.com/inward/record.url?scp=34548777583&partnerID=8YFLogxK
U2 - 10.1038/ni1509
DO - 10.1038/ni1509
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AN - SCOPUS:34548777583
SN - 1529-2908
VL - 8
SP - 1123
EP - 1131
JO - Nature Immunology
JF - Nature Immunology
IS - 10
ER -