The Expression and Function of the NKRP1 Receptor Family in C57BL/6 Mice1
The Expression and Function of the NKRP1 Receptor Family in C57BL/6 Mice1
复制标题
NKRP1受体家族在C57BL/6小鼠中的表达和功能
作者:
J. Aust;F. Gays;Katarzyna Mickiewicz;E. Buchanan;C. Brooks
NKRP1 receptors were discovered more than 20 years ago, but due to a lack of appropriate reagents, our understanding of them has remained limited. Using a novel panel of mAbs that specifically recognize mouse NKRP1A, D, and F molecules, we report here that NKRP1D expression is limited to a subpopulation of NK cells, but in contrast to Ly49 receptors appears to be expressed in a normal codominant manner. NKRP1D− and NKRP1D+ NK cells are functionally distinct, NKRP1D+ cells showing reduced expression of various Ly49 receptors, elevated expression of CD94/NKG2 receptors, and higher IFN-γ secretion and cytotoxicity than NKRP1D− cells. Furthermore, NKRP1D+ NK cells were unable to kill transfected cells expressing high levels of Clr-b molecules, but readily killed MHC class-I-deficient blast cells that express only low levels of Clr-b. NKRP1A and NKRP1F were expressed at low levels on all splenic and bone marrow NK cells, but mAb-induced cross-linking of NKRP1A and NKRP1F caused no significant enhancement or inhibition of NK cell cytotoxicity and no detectable production of IFN-γ. NKRP1A, D, and F expression could not be detected on NKT cells, all of which express NKRP1C, and although some activated T cells expressed NKRP1C and perhaps low levels of NKRP1A, no significant expression of NKRP1D or F could be detected. NKRP1 molecules expressed on NK cells or transfectants were down-regulated by cross-linking with mAbs or cell surface ligands, and using this phenomenon as a functional assay for NKRP1-ligand interaction revealed that NKRP1F can recognize CLR-x.
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DOI:
10.1111/ajt.12525
发表时间:
2014
期刊:
American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons
影响因子:
--
作者:
Haspot,F;Li,HW;Lucas,CL;Fehr,T;Beyaz,S;Sykes,M
通讯作者:
Sykes,M
DOI:
--
发表时间:
1991
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Giorda,R;Trucco,M
通讯作者:
Trucco,M
DOI:
--
发表时间:
1992
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Ryan,JC;Turck,J;Niemi,EC;Yokoyama,WM;Seaman,WE
通讯作者:
Seaman,WE
影响因子:
--
作者:
Sentman,CL;HackettJr,J;Moore,TA;Tutt,MM;Bennett,M;Kumar,V
通讯作者:
Kumar,V
DOI:
--
发表时间:
1983
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Brooks,CG;Burton,RC;Pollack,SB;Henney,CS
通讯作者:
Henney,CS