NDRG2 is one of novel intrinsic factors for regulation of IL-10 production in human myeloid cell

被引：17

作者：

Choi, Seung-Chul ^{[2
]}

Kim, Kwang Dong ^{[3
]}

Kim, Jong-Tae ^{[2
]}

Oh, Sang-Seok ^{[3
]}

Yoon, Sun Young ^{[1
]}

Song, Eun Young ^{[2
]}

Lee, Hee Gu ^{[2
]}

Choe, Yong-Kyung ^{[2
]}

Choi, Inpyo ^{[2
]}

Lim, Jong-Seok ^{[1
]}

Kim, Jae Wha ^{[2
]}

机构：

[1] Sookmyung Womens Univ, Dept Biol Sci, Seoul 140742, South Korea

[2] Korea Res Inst Biosci & Biotechnol, Stem Cell Res Ctr, Taejon 305333, South Korea

[3] Gyeongsang Natl Univ, Plant Mol Biol Biotechnol Res Ctr PMBBRC, Div Appl Life Sci BK21, Jinju 660701, South Korea

来源：

BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2010年 / 396卷 / 03期

关键词：

NDRG2 (N-myc downstream-regulated gene 2); DC differentiation; U937 cell line; IL-10; p38; MAPK; P38 MAP KINASE; DENDRITIC CELLS; IFN-GAMMA; T-CELLS; INTERLEUKIN-10; GENE-2; DIFFERENTIATION; RECEPTOR; PATHWAY; PROLIFERATION;

D O I：

10.1016/j.bbrc.2010.04.162

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

N-myc downstream-regulated gene 2 (NDRG2) implicated in cellular growth and differentiation was previously reported as it is specifically expressed in primary and in vitro-differentiated dendritic cells (DCs) from monocytes and CD34(+) progenitor cells. However, its function has yet to be investigated in DCs. Here, the novel NDRG2 function about modulation of cytokines in DC was observed in this study. The secretion of IL-10 was not found in the monocyte-derived DC cells with high level of NDRG2 expression, but IL-10 was abundantly secreted up to 1 ng/ml in the monocyte-derived macrophages with low level of NDRG2 expression, and further confirmed that the expression of IL-10 was dramatically increased in NDRG2-silenced DCs under presence of LPS, and significantly reduced in the NDRG2-overexpressed U937 cells under stimulation of PMA. The secretion of IL-12p70 was significantly reduced in the siNDRG2 introduced DC cells. The intracellular signaling of IL-10 secretion was markedly inhibited by SB203580, inhibitor of p38 MAPK, in the LPS-activated DCs and phosphorylation of p38 MAPK was decreased in the NDRG2 introduced U937 cells under PMA-stimulation. Taken together, NDRG2 might have a pivotal role as one of intrinsic factors for the modulation of p38 MAPK phosphorylation, and subsequently involve in controlling of IL-10 production. (C) 2010 Elsevier Inc. All rights reserved.

引用

页码：684 / 690

页数：7

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