• Title/Summary/Keyword: Inflammatory Factors

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Comparative Effect on Anti-Inflammatory Activity of the Phellinus linteus and Phellinus linteus Grown in Germinated Brown Rice Extracts in Murine Macrophage RAW 264.7 Cells (상황버섯과 발아현미상황버섯 열수추출물의 Murin Macrophage RAW 264.7 세포에서 항염증 반응 비교)

  • Jeoung, Young-Jun;Choi, Se-Young;An, Chi-Sun;Jeon, Yun-Hee;Park, Dong-Ki;Lim, Beoung-Ou
    • Korean Journal of Medicinal Crop Science
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    • v.17 no.2
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    • pp.97-101
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    • 2009
  • The present study describes the preliminary evaluation of the anti-inflammatory activities of Phellinus linteus (PL) and Phellinus linteus Grow in Germinated Brown Rice (BRPL). In order to effectively screen for anti-inflammatory agents, we first examined the extracts' inhibitory effects on the expression of pro-inflammatory cytokines activated with lipopolysaccharide. Moreover, we examined the inhibitory effects of the PL and BRPL extracts on pro-inflammatory factors such as NO, iNOS, $TNF-{\alpha}$ and $IFN-{\gamma}$ in murine macrophage RAW 264.7 cells. NO production and iNOS expression was significantly augmented in LPS treated cell, the production of NO and iNOS was greater in the BRPL than in the PL group. In addition, protein and mRNA levels of $TNF-{\alpha}$ and $IFN-{\gamma}$ in BRPL showed relatively more potent pro-inflammatory-activity inhibition compared to that of PL. These results suggest that BRPL may have significant effects on inflammatory factors, and may be a potential anti-inflammatory therapeutic materials.

Antioxidant, Anti-inflammatory and Cartilage Regeneration Effects of Euiiin-tang (의이인탕(薏苡仁湯)의 항산화, 항염증 및 연골재생 효과)

  • Hong-Tak Park;Young-Jun Kim;Woo-Seok Shon;Chang-Hoon Woo
    • Journal of Korean Medicine Rehabilitation
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    • v.33 no.3
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    • pp.17-32
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    • 2023
  • Objectives The purpose of this study was to investigate the antioxidant, anti-inflammatory and cartilage regeneration effects of Euiiin-tang water extract (EIIT) in the treatment of monosodium iodoacetate (MIA)-induced osteoarthritis in rats. Methods Animal models were divided into five groups. The normal group didn't do any treatments causing osteoarthritis. The control group was orally administerd distilled water instead of the drug, the positive control group used indomethacin 5 mg/kg, the EIIT 100 group used EIIT 100 mg/kg and the EIIT 200 group used EIIT 200 mg/kg, and seven rats were placed per group. We administered drug to rats for 2 weeks and analyzed oxidative stress-related proteins in joint tissue. Inflammation mediators and inflammatory cytokines induced by the activity of inflammation-related proteins were analyzed. In addition, the expression of anti-inflammatory cytokines and collagen-related factors were analyzed, and H&E staining and Safranin-O staining were performed to see the effect on histopathological changes. Results 1) Oxidative stress-related proteins were significantly reduced. 2) Inflammationrelated proteins, inflammatory mediators and inflammatory cytokines were significantly reduced. 3) Anti-inflammatory cytokines were significantly increased. 4) Collagen proteolysis factors significantly decreased, and collagen degradation inhibitory factor was significantly increased. 5) EIIT administration significantly reduced cartilage degeneration and deformation in H&E staining, and reduced proteoglycan destruction in Safranin-O staining. Conclusions From the above experimental results, it judges that Euiiin-tang has antioxidant, anti-inflammatory, and cartilage regeneration effects on osteoarthritis in rats induced by MIA.

Dynamic Patterns of Systemic Innate Immunity and Inflammatory Associated Factors in Experimental Caprine Coccidiosis

  • Tadayon, Shabnam;Razavi, Seyed Mostafa;Nazifi, Saeed
    • Parasites, Hosts and Diseases
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    • v.54 no.6
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    • pp.719-724
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    • 2016
  • The present study was designed to assess the dynamic patterns of pro-inflammatory cytokines, including $IFN-{\gamma}$, $TNF-{\alpha}$, IL-4, IL-6, acute phase protein (${\alpha}1$-acid-glycoprotein, AGP), and an inflammation associated factor (adenosine deaminase; ADA) following experimental caprine coccidiosis. Ten kids aging from 2 to 4 months were infected orally with $5{\times}10^4$ sporulated oocysts and 10 animals served as controls. Blood samples were collected in both groups before infection and at days 3, 7, 14, 21, 28, and 35 post-infection (PI), and the levels of above-mentioned factors were measured. $IFN-{\gamma}$, $TNF-{\alpha}$, IL-4, IL-6, AGP, and ADA activities were significantly higher in infected animals from day 7 PI (P<0.05). In conclusion, the circulatory levels of most systemic inflammatory markers, including pro-inflammatory cytokines ($IFN-{\gamma}$, $TNF-{\alpha}$, IL-4, IL-6), AGP, and ADA increased significantly starting from day 3 to day 7 PI in caprine coccidiosis.

KLF9 deficiency protects the heart from inflammatory injury triggered by myocardial infarction

  • Zhihong Chang;Hongkun Li
    • The Korean Journal of Physiology and Pharmacology
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    • v.27 no.2
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    • pp.177-185
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    • 2023
  • The excessive inflammatory response induced by myocardial infarction exacerbates heart injury and leads to the development of heart failure. Recent studies have confirmed the involvement of multiple transcription factors in the modulation of cardiovascular disease processes. However, the role of KLF9 in the inflammatory response induced by cardiovascular diseases including myocardial infarction remains unclear. Here, we found that the expression of KLF9 significantly increased during myocardial infarction. Besides, we also detected high expression of KLF9 in infiltrated macrophages after myocardial infarction. Our functional studies revealed that KLF9 deficiency prevented cardiac function and adverse cardiac remodeling. Furthermore, the downregulation of KLF9 inhibited the activation of NF-κB and MAPK signaling, leading to the suppression of inflammatory responses of macrophages triggered by myocardial infarction. Mechanistically, KLF9 was directly bound to the TLR2 promoter to enhance its expression, subsequently promoting the activation of inflammation-related signaling pathways. Our results suggested that KLF9 is a pro-inflammatory transcription factor in macrophages and targeting KLF9 may be a novel therapeutic strategy for ischemic heart disease.

Increasing incidence of inflammatory bowel disease in children and adolescents: significance of environmental factors

  • Park, Sowon;Kang, Yunkoo;Koh, Hong;Kim, Seung
    • Clinical and Experimental Pediatrics
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    • v.63 no.9
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    • pp.337-344
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    • 2020
  • Inflammatory bowel disease (IBD) is a chronic relapsing immune-mediated disease of the intestinal tract. Although its prevalence is reportedly lower in Asia than in Western countries, the rapid increase in the incidence of IBD has drawn attention to its etiology, including genetic susceptibility and environmental factors. Specifically, recent studies concerning dietary treatments and intestinal microbiota suggest that these factors may interact with the immune system, and the imbalance of this relationship may lead to immune dysregulation in IBD. Changes in diet or alterations in the composition of the intestinal microbiota may be associated with the increasing incidence of IBD in Asia. Here, we aim to review recent studies on the role of diet and intestinal microbiota in IBD pathogenesis and the results of the investigations performed to modulate these factors.

Anti-inflammatory Effect of Castanopsis cuspidata Extracts in Murine Macrophage RAW 264.7 Cells (Murine Macrophage RAW 264.7 세포에서 구실잣밤나무 추출물의 항염증 효과)

  • Ko, Yeong-Jong;Song, Sang Mok;Hyun, Woo-Chol;Yang, Soo-Kyung;Song, Chang-Khil;Lee, Dong-Sun;Yoon, Weon-Jong
    • Korean Journal of Plant Resources
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    • v.27 no.5
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    • pp.439-446
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    • 2014
  • This study describes a preliminary evaluation of the anti-inflammatory activity of Castanopsis cuspidata extracts. C. cuspidata was extracted using 80% ethanol and then fractionated sequentially with n-hexane, dichloromethane, ethylacetate, and butanol. To screen for anti-inflammatory agents effectively, we first examined the inhibitory effect of the C. cuspidata extracts on the production of pro-inflammatory factors and cytokines stimulated with lipopolysaccharide. In addition, we examined the inhibitory effect of C. cuspidata extracts on pro-inflammatory mediators (NO, iNOS, COX-2) in murine macrophage RAW 264.7 cells. The amounts of protein levels were determined by immunoblotting. Of the sequential solvent fractions of C. cuspidata, the n-hexane, dichloromethane and ethylacetate fractions inhibited the mRNA expression of pro-inflammatory cytokines (IL-$1{\beta}$ and IL-6), production of NO, and the protein level of iNOS and COX-2. These results suggest that C. cuspidata may have significant effects on inflammatory factors and may be provided as a possible anti-inflammatory therapeutic plant.

Eucalyptus globulus extracts inhibit Propionibacterium acnes-induced inflammation signaling (유칼립투스 추출물의 Propionibacterium acnes에 의해 유도되는 염증반응 억제 효과)

  • Lee, Sol Ji;Lee, Eun Hye;Shin, Jin Hak;Kim, Seon Sook;Kim, Nam Kyoung;Choi, Eunmi;Seo, Su Ryeon
    • Korean Journal of Microbiology
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    • v.52 no.4
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    • pp.421-427
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    • 2016
  • Acne is known as the most common skin disease. It commonly occurs during adolescents, but it is also present in children and adults because of air pollution, drug abuse and so on. In addition to the hormonal, genetic and environmental factors, Propionibacterium acnes (P. acnes) have also critical roles in outbreak of acne by inducing inflammatory mediators. Increase of sebum production provides an ideal environment for P. acnes that induce inflammation on the skin by activation of monocytic cells and stimulation of inflammatory cytokines. In this study, natural extracts were investigated for anti-inflammatory effects against inflammatory acne by P. acnes infection in terms of reducing cytokine production. Eucalyptus globulus extracts effectively suppressed mRNA synthesis of inflammatory mediators such as $TNF-{\alpha}$, $IL-1{\beta}$, IL-2, and NLRP3 in P. acnes-activated macrophages. Moreover, Eucalyptus globulus extracts inhibit activation of transcription factors, $NF-{\kappa}B$ and NFAT, which are known as key regulators of inflammatory cytokine production. This study suggests the potential of using Eucalyptus globulus extracts as alternative agents for the treatment of acne.

The Effect of Anti-microbial and the Inhibitory Effect of Biofilm Formation and Inflammatory Factors Production of Perillae semen Supercritical Fluid Extracts (초임계 자소자추출물의 항균효과와 바이오필름, 염증매개인자 생성 억제 효능)

  • Lee, Kwang Won;Park, Shinsung;Park, Su In;Shin, Moon Sam
    • The Journal of the Convergence on Culture Technology
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    • v.8 no.6
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    • pp.615-624
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    • 2022
  • In this study, we assessed anti-oxidant activity, anti-microbial, inhibition of biofilm formation and inflammatory factors(nitric oxide, interleukin-6, interleukin-8) inhibitory effect of Perillae semen hydrothermal extract(PSW) and three kinds of Perillae semen supercritical fluid extract(PSSs) extracted by controlling temperature with no variation of pressure. Compared with PSW, PSSs had significantly lower minimal inhibitory concentrations(MICs) against Staphylococcus aureus(S. aureus) and the ability of PSSs to inhibit formation of biofilm was also superior. PSSs reduce the production of inflammatory mediator and inflammatory cytokines significantly compared to PSW. We suggest, therefore, Perillae semen supercritical fluid 45℃ extract which showed the best anti-microbial, inhibition of biofilm formation, and inhibition of inflammatory factors production among the supercritical fluid extracts could be used for protecting patients with atopic dermatitis from pruritus and transepidermal water loss as a functional ingredient from nature.

Nutritional concerns in pediatric inflammatory bowel disease

  • Kim, Yong Joo
    • Clinical and Experimental Pediatrics
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    • v.59 no.6
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    • pp.247-251
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    • 2016
  • The pathophysiology and fundamental etiologic mechanism of inflammatory bowel disease (IBD) is not well understood even though therapeutic regimens and drugs are rapidly evolutionary. IBD has complicated connections with genetic, immunologic, gut microbial, environmental, and nutritional factors. It is not clearly well known to the physicians how to feed, what nutrients are more helpful, and what food to be avoided. This review discusses the issues of growth and important nutritional concerns in the management of IBD in childhood.

REGULATION OF BETA-AMYLOID-STIMULATED PROINFLAMMATORY RESPONSES VIA MITOGEN ACTIVATED PROTEIN KINASES AND REDOX SENSITIVE TRANSCRIPTION FACTORS

  • Jang, Jung-Hee;Surh, Young-Joon
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.327.2-327.2
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    • 2002
  • Inflammatory as well as oxidative tissue damage has been associated with pathophysiology of Alzheimer's disease (AD), and nonsteroidal anti-inflammatory drugs have been shown to retard the progress of AD. In this study, we have investigated the molecular mechanisms underlying oxidative and inflammatory cell death induced by beta-amyloid (Abeta), a neurotoxic peptide associated with senile plaques formed in the brains of patients with AD, in cultured PC12 cells. (omitted)

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