High hepatic natural killer cell activity in murine lupus.

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High hepatic natural killer cell activity in murine lupus

This study demonstrates a profound elevation of NK activity, as measured by cytotoxicity to YAC-1 targets in a 4-h incubation 51Cr-release assay, of freshly isolated hepatic NPC from both MRL/lpr and (NZB X NZW)F1 mice. This marked increase was not observed in splenic or peripheral blood NK. The hepatic NK were nonadherent, radioresistant, Ly-1-,2-, and AGM1+. Furthermore, biologic response mod...

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Natural killer cell activity in untreated systemic lupus erythematosus.

With strictly selected controls natural killer cell activity was evaluated in 10 untreated patients with systemic lupus erythematosus. Natural killer levels of the patients were significantly lower than those of the age- and sex-matched normal controls. Natural killer levels, however, did not correlate with disease activity.

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Regulation of murine natural killer cell commitment

Natural killer (NK) cells can derive from the same precursors as B and T cells, however, to achieve lineage specificity, several transcription factors need to be activated or annulled. While a few important transcription factors have been identified for NK genesis the mechanisms of how this is achieved is far from resolved. Adding to the complexity of this, NK cells are found and potentially de...

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Regulation of Murine Natural Killer Cell Development

Natural killer (NK) cells are effector lymphocytes of the innate immune system that are known for their ability to kill transformed and virus-infected cells. NK cells originate from hematopoietic stem cells in the bone marrow, and studies on mouse models have revealed that NK cell development is a complex, yet tightly regulated process, which is dependent on both intrinsic and extrinsic factors...

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ژورنال

عنوان ژورنال: Journal of Experimental Medicine

سال: 1987

ISSN: 0022-1007,1540-9538

DOI: 10.1084/jem.166.1.271