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

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NDRG2 is one of novel intrinsic factors for regulation of IL-10 production in human myeloid cell
S C Choi; K D Kim; Jong-Tae Kim; S S Oh; S Y Yoon; Eun Young Song; Hee Gu Lee; Yong Kyung Choe; In Pyo Choi; J S Lim; Jae Wha Kim
Bibliographic Citation
Biochemical and Biophysical Research Communications, vol. 396, no. 3, pp. 684-690
Publication Year
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.
DC differentiationIL-10NDRG2 (N-myc downstream-regulated gene 2)p38 MAPKU937 cell line
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Division of Biomedical Research > Immunotherapy Research Center > 1. Journal Articles
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