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Published on: November 3, 2017
Angiotensin-(1-7) stimulates hematopoietic progenitor cells in vitro and in vivo
Silvia Heringer-Walther1, Klaus Eckert, Sarah-Mai Schumacher
11Department of Gynaecology, University of Leipzig, Germany.
Abstract:
Effects of angiotensin (Ang)-(1-7), an AngII metabolite, on bone marrow-derived hematopoietic cells were studied. We identified Ang-(1-7) to stimulate proliferation of human CD34(+) and mononuclear cells in vitro. Under in vivo conditions, we monitored proliferation and differentiation of human cord blood mononuclear cells in NOD/SCID mice. Ang-(1-7) stimulated differentially human cells in bone marrow and accumulated them in the spleen. The number of HLA-I(+) and CD34(+) cells in the bone marrow was increased 42-fold and 600-fold, respectively. These results indicate a decisive impact of Ang-(1-7) on hematopoiesis and its promising therapeutic potential in diseases requiring progenitor stimulation.
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