(redirected from NK cells)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia.
Related to NK cells: T cells, MHC, Macrophages

CELL. A small room in a prison. See Dungeon.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
The results provide the basis for the possibility of combating malignant leukemia stem cells by combining PARP inhibitors with active NK cells.
There are two kinds of NK cells: mature NK cells (CD56dim+CD16+, CD56+CD16+CD3-) and immature NK cells (CD56bright+CD16-, CD56+CD16-CD3-) [16].
Propofol can increase the activity of NK cells, inhibit COX2, prevent PGE2 generation, and protect the immune system function.
NK cells are innate lymphoid cells (ILCs) that represent approximately 15% of peripheral blood lymphocytes.
In the present study, we characterized the surface receptor phenotypes of circulating NK cells in human GC and found that the proportion of peripheral blood NK cells which expressed the activating receptors NKp30, NKp46, NKG2D, and DNAM-1 was significantly decreased in GC patients compared to healthy donors, and that this effect could be mediated in vitro by TGF-[beta]1.
* The recruitment of [CD56.sup.+] NK cells from peripheral [CD56.sup.+] NK cells which differentiate in the uterine microenvironment into the endometrial phenotype.
NK cells play an important role in controlling the tumor metastasis [14].
Methods: A case control study was performed comparing the serum levels of VEGF-A and its receptor VEGF-R1 with levels of NK cells, activated NK cells and NK cytotoxicity in 62 women with Repeated Implantation Failure (RIF).
Recent studies had demonstrated that the NK cells express leptin receptors [15, 24].
When the cohorts were compared regardless of gender, we observed no difference in the frequency of CD[107.sup.+] intrahepatic NK cells in HBV patients compared to HCV patients.
The first BM reevaluation, performed on day 23 after the first chemotherapy course, revealed 0.5% of phenotypically abnormal ([CD2.sup.+], [CD56.sup.-], [CD94.sup.+], and [HLA-DR.sup.+]) NK cells and a normal karyotype (46, XY).
LLC1 cells were used as targets for NK cells. Seeding density of 4 x [10.sup.4] LLC1 cells/well was considered optimal and used for all assays.