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  • Title: In vivo function of natural killer cells as regulators of myeloid precursor cells in the spleen.
    Author: Hansson M, Petersson M, Koo GC, Wigzell H, Kiessling R.
    Journal: Eur J Immunol; 1988 Mar; 18(3):485-8. PubMed ID: 3258567.
    Abstract:
    In order to study the in vivo effect that natural killer (NK) cells may have on hematopoietic precursor cells in the autologous host, NK-depleted mice were constructed by injection of an anti-NK-1.1 monoclonal antibody. Only the spleen, and not the bone marrow, of such NK-depleted mice shows an increase in the number of myeloid precursur cells able to form colonies in soft agar as compared to control mice with normal levels of NK activity. The increase in number of hematopoietic immature cells due to lack of a regulatory cell (i.e. NK cell) is selective for the committed myeloid precursur cells, and not evident for erythroid or pluripotent progenitor cells. This is direct evidence in support of the hypothesis that NK cells in the autologous host serve as a regulator of extramedullary myelopoiesis.
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