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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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Polarization of T helper Cells Depends on the Presence of Antigen Presentation

Kim JG, Hahn YS

  • KMID: 1550784
  • Korean J Immunol.
  • 1999 Jun;21(2):137-145.
There are strong evidences suggesting that Thl and Th2 lymphocytes develop from the same Thlymphocyte precursor under the influence of environmental or genetic factors acting at the level of antigen...
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Metformin Suppresses MHC-Restricted Antigen Presentation by Inhibiting Co-Stimulatory Factors and MHC Molecules in APCs

Shin S, Hyun B, Lee A, Kong H, Han S, Lee CK, Ha NJ, Kim K

  • KMID: 2170683
  • Biomol Ther.
  • 2013 Jan;21(1):35-41.
Metformin is widely used for T2D therapy but its cellular mechanism of action is undefined. Recent studies on the mechanism of metformin in T2D have demonstrated involvement of the immune...
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Lectins Isolated from Mushroom Fomitella fraxinea Enhance MHC-restricted Exogenous Antigen Presentation

Kim H, Cho KM, Gerelchuluun T, Lee JS, Chung KS, Lee CK

BACKGROUND: Immunomodulators enhancing MHC-restricted antigen presentation would affect many cellular immune reactions mediated by T cells or T cell products. However, modulation of MHC-restricted antigen presentation has received little attention...
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Evidence for Direct Inhibition of MHC-Restricted Antigen Processing by Dexamethasone

Im SA, Gerelchuluun T, Lee CK

Dexamethasone (Dex) was shown to inhibit the differentiation, maturation, and antigen-presenting function of dendritic cells (DC) when added during DC generation or maturation stages. Here, we examined the direct effects...
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Cordyceps militaris Enhances MHC-restricted Antigen Presentation via the Induced Expression of MHC Molecules and Production of Cytokines

Shin S, Park Y, Kim S, Oh HE, Ko YW, Han S, Lee S, Lee CK, Cho K, Kim K

BACKGROUND: Cordyceps militarys water extract (CME) has been reported to exert antitumor and immunomodulatory activities in vivo and in vitro. However, the therapeutic mechanism has not yet been elucidated. In...
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Current Understanding of Dendritic Cells in Atherosclerosis

Choi JH

Dendritic cells (DCs), first identified in 1973, have been shown to be the principal cells involved in antigen presentation to T cells, and are more potent in the presentation of...
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Effect of Lipofectin on Antigen-presenting Function and Anti-tumor Activity of Dendritic Cells

Noh YW, Lim JS

BACKGROUND: Dendritic cells (DC) are professional antigen-presenting cells in the immune system and can induce T cell response against virus infections, microbial pathogens, and tumors. Therefore, immunization using DC loaded...
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Inhibition of Major Histocompatibility Complex (MHC)- Restricted Presentation of Exogenous Antigen in Dendritic Cells by Korean Propolis Components

Han S, Cho K, Lee S, Lee CK, Song Y, Ha N, Kim K

BACKGROUND: Dendritic cells (DCs) play a critical role not only in the initiation of immune responses, but also in the induction of immune tolerance. In an effort to regulate immune...
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Autophagy in Innate Recognition of Pathogens and Adaptive Immunity

Oh JE, Lee HK

Autophagy is a specialized cellular pathway involved in maintaining homeostasis by degrading long-lived cellular proteins and organelles. Recent studies have demonstrated that autophagy is utilized by immune systems to protect...
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Vanilloid Receptor 1 Agonists, Capsaicin and Resiniferatoxin, Enhance MHC Class I-restricted Viral Antigen Presentation in Virus-infected Dendritic Cells

Lee YH, Im SA, Kim JW, Lee CK

DCs, like the sensory neurons, express vanilloid receptor 1 (VR1). Here we demonstrate that the VR1 agonists, capsaicin (CP) and resiniferatoxin (RTX), enhance antiviral CTL responses by increasing MHC class...
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Lumazine synthase protein cage nanoparticles as antigen delivery nanoplatforms for dendritic cell-based vaccine development

Ra JS, Shin HH, Kang S, Do Y

PURPOSE: Protein cages are promising nanoplatform candidates for efficient delivery systems due to their homogenous size and structure with high biocompatibility and biodegradability. In this study, we investigate the potential...
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Enhancement of Proliferation and Antigen Presentation of Human B Cells in Vitro by K562 Cells Expressing CD40L

Park JY, Yoon SH, Kim EK, Yun SO, Sohn HJ, Kim TG

BACKGROUND: CD40-activated B (CD40-B) cells might be an attractive source of autologous antigen-presenting cells (APCs) for immunotherapy due to the convenience to obtain from peripheral blood and expand in vitro....
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A Case of Generalized Lichen Planus Treated with Topical Pimecrolimus

Lee YK, Ku BS, Kim YH, Lee CW, Kim KH

  • KMID: 1931126
  • Korean J Dermatol.
  • 2007 Apr;45(4):397-400.
Lichen planus is a chronic papulosquamous disease chracterized by various clinical manifestations of the skin and mucous membrane. Although its etiology is not fully understood, lichen planus has been associated...
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Cyclooxygenase Inhibitors, Aspirin and Ibuprofen, Inhibit MHC-restricted Antigen Presentation in Dendritic Cells

Kim HJ, Lee YH, Im SA, Kim K, Lee CK

BACKGROUND: Nonsteroidal anti-inflammatory drugs (NSAIDs) are widely used to relieve pain, reduce fever and inhibit inflammation. NSAIDs function mainly through inhibition of cyclooxygenase (COX). Growing evidence suggests that NSAIDs also...
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Efficient amplification of melanoma-specific CD8+ T cells using artificial antigen presenting complex

Chang J

  • KMID: 1115936
  • Exp Mol Med.
  • 2006 Dec;38(6):591-598.
In vitro large amplification of tumor-specific cytotoxic T lymphocytes (CTLs) and adoptive transfer of these cells is one of the most promising approaches to treat malignant diseases in which an...
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Subdominant H60 antigen-specific CD8 T-cell response precedes dominant H4 antigen-specific response during the initial phase of allogenic skin graft rejection

Yoo KI, Jeon JY, Ryu SJ, Nam G, Youn H, Choi EY

In allogeneic transplantation, including the B6 anti-BALB.B settings, H60 and H4 are two representative dominant minor histocompatibility antigens that induce strong CD8 T-cell responses. With different distribution patterns, H60 expression...
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Improvement of DNA vaccination by adjuvants and sophisticated delivery devices: vaccine-platforms for the battle against infectious diseases

Grunwald T, Ulbert S

Advantages of DNA vaccination against infectious diseases over more classical immunization methods include the possibilities for rapid manufacture, fast adaptation to newly emerging pathogens and high stability at ambient temperatures....
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Differences in Antigen-presenting Cells in Dermatitis Due to Skin Contact and Ingestion of Lacquer Tree

Kim KJ, Lee SY, Choi KC, Chung BS

  • KMID: 2250973
  • Korean J Dermatol.
  • 2001 Nov;39(11):1238-1245.
Cutaneous hypersensitivity reaction due to Rhus can develop against antigens delivered through the epidermis(allergic contact dermatitis: ACD) or through the blood vessels(systemic contact dermatitis: SCD). Although the role of Langerhans...
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Use of Cell-Penetrating Peptides in Dendritic Cell-Based Vaccination

Lim S, Koo JH, Choi JM

Cell-penetrating peptides (CPPs) are short amino acids that have been widely used to deliver macromolecules such as proteins, peptides, DNA, or RNA, to control cellular behavior for therapeutic purposes. CPPs...
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