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Comparison of Invariant NKT Cells with Conventional T Cells by Using Gene Set Enrichment Analysis (GSEA)

Oh SJ, Ahn JY, Chung DH

BACKGROUND: Invariant Natural killer T (iNKT) cells, a distinct subset of CD1d-restricted T cells with invariant Valphabeta TCR, functionally bridge innate and adaptive immunity. While iNKT cells share features with...
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Immunomodulatory Effects of Hypocrellin A on MHC-restricted Antigen Processing

Park S, Im SA, Kim KH, Lee CK

Hypocrellin A has gained much attention in recent years due to its light-induced antitumor, antifungal and antiviral activities. Here we report that hypocrellin A exerts immunomodulatory effects on MHC-restricted presentation...
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HLA and Disease Associations in Koreans

Ahn S, Choi HB, Kim TG

The human leukocyte antigen (HLA), the major histocompatibility complex (MHC) in humans has been known to reside on chromosome 6 and encodes cell-surface antigen-presenting proteins and many other proteins related...
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Influence of Interferon-gamma Deficiency in Immune Tolerance Induced by Male Islet Transplantation

Kim YH, Lim Y, Park CG

BACKGROUND: Traditionally, interferon-gamma (IFN-gamma) was regarded as a pro-inflammatory cytokine, however, recent reports suggested role of IFN-gamma in immune tolerance. In our previous report, we could induce tolerance to male...
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Production of Prostaglandin E2 and I2 Is Coupled with Cyclooxygenase-2 in Human Follicular Dendritic Cells

Cho W, Kim J, Cho KB, Choe J

BACKGROUND: Prostaglandins (PGs) play pathogenic and protective roles in inflammatory diseases. The novel concept of PGs as immune modulators is being documented by several investigators. By establishing an in vitro...
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NDRG2 Promotes GATA-1 Expression through Regulation of the JAK2/STAT Pathway in PMA-stimulated U937 Cells

Kang K, Jung H, Nam S, Lim JS

BACKGROUND: N-myc downstream-regulated gene 2 (NDRG2), a member of a newly described family of differentiation-related genes, has been characterized as a regulator of dendritic cells. However, the role of NDRG2...
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Anti-CD137 mAb Deletes Both Donor CD4+ and CD8+ T Cells in Acute Graft-versus-host Disease

Kim J, Cho HR, Kwon B

We previously demonstrated that in vivo engagement of CD137, a member of TNF receptor superfamily, can delete allorective CD4+ T cells through the induction of activation-induced cell death (AICD) in...
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CKD-712, (S)-1-(alpha-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline, Inhibits the NF-kappaB Activation and Augments Akt Activation during TLR4 Signaling

Lee J, Yang EJ, Shin JS, Kim DH, Lee SS, Choi IH

Since CKD-712 has been developed as an anti-inflammatory agent, we examined the effect of CKD-712 during TLR4 signaling. Using HEK293 cells expressing TLR4, CKD-712 was pre-treated 1 hr before LPS...
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Maturation-Resistant Dendritic Cells Ameliorate Experimental Autoimmune Uveoretinitis

Oh K, Kim YS, Lee DS

BACKGROUND: Endogenous uveitis is a chronic inflammatory eye disease of human, which frequently leads to blindness. Experimental autoimmune uveoretinitis (EAU) is an animal disease model of human endogenous uveitis and...
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Modulation of Glial and Neuronal Migration by Lipocalin-2 in Zebrafish

Kim H, Lee S, Park HC, Lee WH, Lee MS, Suk K

BACKGROUND: Glial cells are involved in immune and inflammatory responses in the central nervous system (CNS). Glial cells such as microglia and astrocytes also provide structural and functional support for...
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MicroRNAs in Human Diseases: From Lung, Liver and Kidney Diseases to Infectious Disease, Sickle Cell Disease and Endometrium Disease

Ha TY

MicroRNAs (miRNAs) are a class of naturally occurring small non-coding RNAs of about 22 nucleotides that have recently emerged as important regulators of gene expression at the posttranscriptional level. Recent...
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The Role of Intracellular Receptor NODs for Cytokine Production by Macrophages Infected with Mycobacterium leprae

Kang TJ, Chae GT

The nucleotide-oligomerization domain (NOD) proteins are members of the NOD-like receptor (NLR) family, which are intracellular and cytoplasmic receptors. We analyzed the role of NODs for cytokine production by macrophages...
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T Cell Receptor Signaling That Regulates the Development of Intrathymic Natural Regulatory T Cells

Song KD, Hwang S, Yun CH

T cell receptor (TCR) signaling plays a critical role in T cell development, survival and differentiation. In the thymus, quantitative and/or qualitative differences in TCR signaling determine the fate of...
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Th17 Responses Are Not Induced in Dextran Sodium Sulfate Model of Acute Colitis

Kim YS, Lee MH, Ju AS, Rhee KJ

Dextran sodium sulfate (DSS) is a widely used chemical model for inflammatory bowel disease (IBD). It is thought that imbalances in the T helper (Th) cell subsets contribute to IBD....
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Cellular Mechanism of Newly Synthesized Indoledione Derivative-induced Immunological Death of Tumor Cell

Oh SJ, Ryu CK, Baek SY, Lee H

BACKGROUND: EY-6 is one of the newly synthesized indoledione derivatives to induce tumor cell-specific cell death. In this study, we investigated the mechanism of immunological death induced by EY-6 at...
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Cross-linking of CD80 and CD86 Diminishes Expression of CD54 on EBV-transformed B Cells through Inactivation of RhoA and Ras

Park GB, Kim YS, Song H, Kim S, Park DM, Lee WJ, Hur DY

BACKGROUND: Epstein Barr virus (EBV) infected B cells are transformed into lymphoblastoid cell lines. Some researchers suggested some a few similarities between this process and carcinogenesis. We observed the expression...
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CO/HO-1 Induces NQO-1 Expression via Nrf2 Activation

Kim HJ, Zheng M, Kim SK, Cho JJ, Shin CH, Joe Y, Chung HT

BACKGROUND: Carbon monoxide (CO) is a cytoprotective and homeostatic molecule with important signaling capabilities in physiological and pathophysiological situations. CO protects cells/tissues from damage by free radicals or oxidative stress....
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Blockade of Vascular Endothelial Growth Factor (VEGF) Aggravates the Severity of Acute Graft-versus-host Disease (GVHD) after Experimental Allogeneic Hematopoietic Stem Cell Transplantation (allo-HSCT)

Kim AR, Lim JY, Jeong DC, Park G, Lee BC, Min CK

BACKGROUND: Recent clinical observation reported that there was a significant correlation between change in circulating vascular endothelial growth factor (VEGF) levels and the occurrence of severe acute graft-versus-host disease (GVHD)...
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