• Title/Summary/Keyword: Interleukin $1{\beta}$ ($IL-1{\beta}$)

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Regulation of Interleukin-1${\beta}$-induced Dedifferentiation and Apoptosis via p38 Mitogen-activated Protein Kinase Pathway in Articular Chondnocytes (연골세포의 탈분화 및 세포고사 억제를 위한 기전연구)

  • Huh Jeong-Eun;Cho Eun-Mi;Yang Ha-Ru;Kim Dae-Sung;Baek Yong-Hyeon;Lee Jae-Dong;Choi Do-Young;Park Dong-Suk
    • The Journal of Korean Medicine
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    • v.27 no.1 s.65
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    • pp.220-228
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    • 2006
  • Objectives : Interleukin-1 (IL-1)${\beta}$ in articular chondrocytes regulates differentiation, apoptosis, and inflammatory responses. It is still controversial, So, we investigated IL- $1{\beta}$ induces chondrocytes dedifferentiation and death. Also, we studied the role of the mitogen-activated protein kinase (MAPK) subtypes on IL-$1{\beta}$-induced dedifferentiation and apoptosis. Methods : To evaluation of dedifferentiation by chemokines of chondrocytes, we assessed such as proteoglycan, collagen, MMP-3 and MMP-13 by RT-PCR analysis. Also, to assess of apoptosis effect by chemokines, we measured annexin V/propidium iodode (PI) and sub G1 cells in chondrocytes by flowcytometric analysis Results : IL-$1{\beta}$ treatment did not affect activation of ERK-1/2, but stimulation of p38 kinase. Inhibition of phospho ERK-1/2 with PD98059 enhanced IL-1b-induced dedifferentiation, and apoptosis up to 13.5%, whereas inhibition of phospho p38 kinase with SB203580 inhibited dedifferentiation, and apoptosis. Conclusions : Our results indicate that SB203580, p38 kinase inhibitor, inhibits IL-$1{\beta}$-induced dedifferentiation, and apoptosis by the inhibition of type II collagen expression and proteoglycan synthesis of rabbit articular chondrocytes.

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Sweating by Exercise Controls Body Temperature through Increase of Interleukin-1beta

  • Bae, Jun-Sang;Shin, Young-Oh;Lee, Jeong-Beom;Seok, Hyun;Min, Young-Ki;Yang, Hun-Mo
    • The Korean Journal of Physiology and Pharmacology
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    • v.10 no.5
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    • pp.231-234
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    • 2006
  • This study was designed to investigate the expression and production of interleukin-1beta $(IL-1{\beta})$ in human peripheral blood of trained runners and untrained controls after temporary moderate intensity exercise. Male long-distance trained runners (TR) and untrained sedentary control subjects (SED) ran for 1 h at 70% of heart rate reserve (HRR). $IL-1{\beta}$ gene and protein expressions were significantly higher in TR than those with SED at all 3 intervals examined independently. Significant increases in total sweat volume and oral temperature were observed after exercise in both groups, however, there were some differences between the groups. We conclude, therefore, that sweating due to exercise is associated with increase of $IL-1{\beta}$ and it is correlated with decrease of oral temperature.

Effects of Luteolin on IL-1β-Induced MCP1 Protein Expression (Luteolin의 IL-1β에 의한 MCP1 단백질 발현 증가에 미치는 영향)

  • Lim, Jun-Hee;Kwon, Taeg-Kyu
    • Journal of Life Science
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    • v.19 no.4
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    • pp.514-519
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    • 2009
  • Monocyte chemoattractant protein 1 (MCP1) plays a key role in monocyte /macrophage infiltration to the sub-endothelial space of the blood vessel wall, which is a critical initial step in atherosclerosis. In this study, we examined $interleukin-1{\bate}$ ($IL-1{\beta}$) induced MCP1 expressions via activation of transcription factor $NF-{\kappa}B$ in primary human aorta smooth muscle cells. We determined the effect of several anti-inflammatory agents on $IL-1{\beta}-induced$ MCP1 expression. The pretreatment of luteolin significantly suppressed $IL-1{\beta}-induced$ MCP1 expressions through blocking activation and translocation of $NF-{\kappa}B$ to the nucleus.

Interleukin-$1{\beta}$ induces bone resorption by regulation of prostaglandin $E_2$ synthesis and plasminogen activator activity, and TGF-$\beta$ inhibits bone resorption of rat bone cells (쥐의 골세포에서 $PGE_2$ 합성과 plasminogen activator 활성 조절에 의한 IL-$1{\beta}$의 골 흡수유도와 TGF-$\beta$에 의한 골 흡수 억제 기전에 관한 연구)

  • Kim, Young-Hun;Lee, Young-Jun;Chung, Kyu-Rhim;Park, Young-Guk
    • The korean journal of orthodontics
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    • v.30 no.6 s.83
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    • pp.713-721
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    • 2000
  • Bone cells produce multiple growth factors and cytokines that have effects on bone metabolism and can be incorporated into the bone matrix. The present study was designed to extend these observations by examining the interactions between transforming growth factor-$\beta$(TGF-$\beta$) or interleukin-$1\beta$(rhIL-$1\beta$) and bone cells in a rat long bone culture model. IL-$1\beta$ regulates several activities of the osteoblast cells derived from rat long bone explants in vitro. IL-$1\beta$ stimulated cellular proliferation as well as the synthesis of prostaglandin $E_2$ and Plasminogen activator activity in the cultured cells in a dose-dependent manner. TGF-$\beta$ is present in the bone matrix and potentially released during bone resorption. TGF-$\beta$ reduced basal bone resorption and inhibited vitamin $D_3[1,25(OH)_2D_3]$-induced bone resorption in rat long bone cells. These results support the role of IL-$1\beta$ in the pathological modulation of bone cell metabolism, with regard to implication in the Pathogenesis of osteoporosis by IL-$1\beta$, and that TGF-$\beta$ positively inhibits the bone resorption.

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Identification of the IL-1$\beta$ inhibitor in the febrile patient urine by anti-IL-1$\beta$ monoclonal antibody (Anti-IL-1$\beta$ 단일클론 항체를 이용해서 발열환자의 뇨중 IL-1$\beta$ inhibitor의 확인)

  • 남경수;배윤수;남명수;오은숙;박순희;최인성;정태화
    • YAKHAK HOEJI
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    • v.37 no.4
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    • pp.420-426
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    • 1993
  • To effectively purify of IL-1 inhibitor from human febrile urine, we have established monoclonal antibody that reacts with human recombinant interleukin l$\beta$(IL-1$\beta$). The antibody, designated ON-1, was highly specific to IL-1$\beta$ and no cross-reaction with other cytokines(IL-l$\alpha$ and IL-4) was observed. As the results of ELISA inhibition assay and Western blotting method, it was further identified that ON-1 had high binding specificity with IL-1$\beta$. IL-1 receptor binding material from febrile patient urine was effectively purified with affinity column chromatography which conjugated with ON-1. This urinary material inhibited the thymocyte proliferation in a dosedependent manner. IL-l$\beta$ induced thymocyte proliferation activity was inhibited to 67.3% at 6 $\mu\textrm{g}$ of the purified urinary material. The result may suggest that this urinary material the purified urinary material. The result may suggest that this urinary material will have antagonic effect on IL-1 action mechanism and act IL-l$\beta$ inhibitor.

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Association of the Interleukin-1$\beta$ and Interleukin-1 Receptor Antagonist Genetic Polymorphism and Korean Gastric Cancer (Interleukin-1$\beta$ 및 Interleukin-1 Receptor Antagonist의 유전적 다형성과 한국인 위암과의 연관 관계)

  • Park Jik Young;Cho Young Gu;Kim Chang Jae;Park Yong Kyu;Kim Young Sil;Park Cho Hyun;Lee Sug Hyung;Yoo Nam Jin;Lee Jung Young;Park Won Sang
    • Journal of Gastric Cancer
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    • v.2 no.3
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    • pp.163-167
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    • 2002
  • Purpose: Interleukin 1$\beta$ (IL-1$\beta$) polymorphisms are associated with hypochlorhydria, atrophic gastritis, and increased risk of gastric cancer in Caucasians. We tried to determine whether the IL-1.. and IL-1 receptor antagonist (IL-1 RN) genetic polymorphisms contribute to the development of gastric cancer and the specific type of gastritis in Korean. Materials and Methods: The study population was comprised of 128 gastric cancer patients with histologically proven carcinoma and 63 normal healthy individuals. Sixty-eight carcinomas were of intestinal-type and sixty tumors were of diffuse-type. No patient had a familial gastric cancer history. The 511 bp and 31 bp polymorphisms in the IL-1.. were genotyped by polymerase chain reaction (PCR)-restriction fragment length polymorphism. The polymorphism of the IL-1 RN was analyzed with variable number tandem repeat after PCR. Results: The genotype of 511C/-31T of IL-1$\beta$ and allele 1 of IL-1 RN was dominant in the present subjects. The allelic frequencies of the C allele IL-1$\beta$, which is a high risk genotype for gastric cancer, were 0.551 and 0.429 in gastric cancer and normal controls, respectively. Statistically, significant difference in allelic frequencies of three polymorphic sites between gastric cancer patients and normal controls, and between intestinal-type and diffuse-type was not observed. Conclusions: These results suggest that the polymorphisms of IL-1$\beta$ and IL-1 RN may not contribute to the development of Korean gastric caner and that other endogenous or exogenous factors will be important for gastric carcinogenesis.

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Temporal Expression of Interleukin-1${\beta}$ in the Dorsal Root Ganglion in a Rat Model of Lumbar Disc Herniation

  • Kim, Su-Jeong;Gu, Hee-Jin;Cho, Yun-Woo;Park, Hea-Woon;Lee, Joon-Ha;Hwang, Se-Jin;Ahn, Sang-Ho
    • The Journal of Korean Physical Therapy
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    • v.22 no.3
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    • pp.93-98
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    • 2010
  • Purpose: To investigate temporal changes in IL-1${\beta}$ mRNA expression in spinal dorsal horn (DH) and dorsal root ganglion (DRG) in a rat lumbar disc herniation (LDH) model. Methods: Autologous nucleus pulposus, harvested from the tail disc between the second and third coccygeal vertebrae (Co2-3), was implanted next to the left L5 nerve root just proximal to the DRG after partial laminectomy. IL-1${\beta}$ mRNA expression was investigated in DRG and DH in our LDH model. Real-time PCR assays were done using a 7500 Real Time PCR system (Applied Biosystems, USA). Results: Expression of IL-1${\beta}$ in DRG and DH was observed for 30 days postoperatively. Expression of IL-1${\beta}$ mRNA in the ipsilateral DRG of the LDH group gradually increased from 5 to 30 days after surgery. The amount of IL-1${\beta}$ in the contralateral DRG peaked 10 days after surgery and then gradually decreased. However, there was no difference in IL-1${\beta}$ mRNA expression in spinal DH between the LDH group and the sham-operated group. Conclusion: Long-term expression of IL-1${\beta}$ in the LDH model may worsen the chronic pain state. Future studies on inhibition of IL-1${\beta}$ expression in the LDH model will be needed to develop selective treatment strategies for patients with LDH.

Anti-oxidation and Anti-inflammatory Effect of Asiasari Radix in RAW 264.7 Cells (세신(細辛) 주정(酒錠) 추출물(抽出物)이 LPS로 유발된 RAW 264.7 Cell의 염증 및 항산화 반응에 미치는 영향)

  • Lee, Yu-Chen;Oh, Min-Seok
    • Journal of Korean Medicine Rehabilitation
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    • v.24 no.3
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    • pp.99-110
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    • 2014
  • Objectives The purpose of this study was to investigate the Anti-oxidation and anti-inflammatory effects of ethanol extract from asiasari radix (AR) on lipopolysaccharide (LPS)-induced in RAW 264.7 Cells Methods Anti-oxidative effects of AR were measured by scavenging activities of 1,1-diphenyl-2-picryl-hydrazyl (DPPH), 2,2'-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) and production of reactive oxygen species (ROS) in RAW 264.7 cells. Anti-inflammatory effects of AR were measured by mediators including nitric oxide(NO), interleukin-$1{\beta}$ (IL-$1{\beta}$), interleukin-6 (IL-6), tumor necosis factors-${\alpha}$ (TNF-${\alpha}$) and iNOS, IL-$1{\beta}$, IL-6, TNF-${\alpha}$ mRNA expression in RAW 264.7 cells. Results Total phenolic content was expressed $28.77{\pm}1.67$. DPPH radical Scavenging was increased depend on AR ethanol extract. ABAT radical Scavenging was increased depend on AR ethanol extract. Production of ROS was significantly decreased by AR ethanol extract on concentration of 100 (${\mu}g/ml$). Production of NO was significantly decreased by AR ethanol extract on concentration of $100({\mu}g/ml)$. Production of IL-$1{\beta}$, interleukin-6 and TNF-${\alpha}$ were increased depend on AR ethanol extract. And Production of interleukin-6, TNF-${\alpha}$ were significantly decreased AR ethanol extract. iNOS, IL-$1{\beta}$, IL-6, TNF-${\alpha}$ mRNA expression of RAW 264.7 cells was increased depend on AR ethanol extract. Conclusions According to this study, AR ethanol extract has anti-oxidative and anti-inflammatoy effects.

The Effect of Granulocyte-Macrophage Colony Stimulating Factor (GM-CSF) on The Expression of IL-1 System mRNA in Mouse Embryos

  • Kim, D. H.;S. S. Ko;Lee, H. C.;Lee, H. H.;Kim, S. S.;Lee, H. J.;B. C. Yang;Park, S. B.;W. K. Chang
    • Proceedings of the KSAR Conference
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    • 2003.06a
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    • pp.52-52
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    • 2003
  • Granulocyte-macrophage colony stimulating factor (GM-CSF) is synthesized in the female reproductive tract and has been shown to play an important role in human and murine embryo development and implantation. However, the mechanism of GM-CSF on the embryo development is unknown. Recent studies suggested that GM-CSF may be increase the expression of implantation relented genes, such as interleukin-1 (IL-1) system. Our aim of this study was to compare the interleukin-1$\alpha$ (IL-1$\alpha$), interleukin-1$\beta$ (IL-1$\beta$) and interleukin-1 receptor antagonist (IL-lra) mRNA between the GM-CSF supplemented group and control group in mouse embryos. Mouse 2-cell embryos were cultured in P-1 medium supplemented with or without mouse GM-CSF (10 ng/ml). The number of total and apoptotic cell in blastocyst were assessed by TUNEL. And then, the expression of IL-1$\alpha$, IL-1$\beta$ and IL-1ra mRNA in blastocyst were examined by RT-PCR.

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The effect of Oligonol intake on cortisol and related cytokines in healthy young men

  • Lee, Jeong-Beom;Shin, Young-Oh;Min, Young-Ki;Yang, Hun-Mo
    • Nutrition Research and Practice
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    • v.4 no.3
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    • pp.203-207
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    • 2010
  • This study investigated the effects of Oligonol intake on cortisol, interleukin (IL)-$1{\beta}$, and IL-6 concentrations in the serum at rest and after physical exercise loading. Nineteen healthy sedentary male volunteers participated in this study. The physical characteristics of the subjects were: a mean height of $174.2{\pm}2.7$ cm, a mean weight of $74.8{\pm}3.6$ kg and a mean age of $22.8{\pm}1.3$ years. Each subject received 0.5 L water with Oligonol (100 mg/day) (n = 10) or a placebo (n = 9) daily for four weeks. The body composition, the white blood cell (WBC) and differential counts as well as the serum cortisol, IL-$1{\beta}$, and IL-6 concentrations were measured before and after Oligonol intake. The cortisol concentration and serum levels of IL-$1{\beta}$ and IL-6 after Oligonol intake were significantly decreased compared to before treatment (P < 0.01, respectively). In addition, the rate of increase of these factors after exercise was decreased compared to the placebo group. There was no change in the WBC and differential cell counts. These results suggest that oral Oligonol intake for four weeks had a significant effect on inhibition of inflammatory markers in healthy young men.