• Title/Summary/Keyword: LPS-induced inflammation

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The Effects of Gleditsiae Fructus n-hexane Extract on Atopic Dermatitis of NC/Nga Tnd Mouse (조협 (皂莢, Gleditsiae Fructus) n-hexane 추출물이 NC/Nga Tnd mouse의 아토피 피부염에 미치는 영향)

  • Koo, Eun Jin;Kim, Yun Hee
    • The Journal of Pediatrics of Korean Medicine
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    • v.35 no.1
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    • pp.76-103
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    • 2021
  • Objectives This study was designed to examine the effect of Gleditsiae Fructus n-hexane (GSF_Hx) on two different groups (on the LPS-induced activation of Raw264.7 cells in vitro, and on the DNCB-induced activation of atopic dermatitis NC/Nga Tnd mice in vivo) to find index components and active components of Gleditsiae Fructus. Methods GSF_Hx was analyzed by HPLC profiling and confirmed echinocystic acid (EA), oleanolic acid (OA) as index components of Gleditsiae Fructus. Using GSF_Hx, EA, OA, we investigated IL-6, TNF-α, NO production by ELISA analysis and evaluated manifestations of MAPKs transcription factors and NF-κB p65 translocation by western blotting. During In vivo study, atopic dermatitis was induced on NC/Nga Tnd mice by DNCB and administered GSF_Hx, EA, OA orally, and checked skin lesions and measured skin clinical score. Serum IgE level, Th1 and Th2 cytokines secretion and modulating molecular mediators and immune cells in the spleenocyte culture supernatant, PBMCs, ALN and dorsal skin were also measured by real-time PCR. Then, skin rash was evaluated and mast cell distribution was verified by H&E and toluidine blue staining on dorsal skin. Results It is possible that GSF_Hx, EA and OA reduce inflammation and allergic response of atopic dermatitis by suppressing Th1 and Th2 cytokines secretion and modulating molecular mediators and immune cells. They also had moisturizing effect by raising vitality of ceramide in dorsal skin of atopic dermatitis NC/Nga Tnd mice. However, EA particularly had better overall activity data than OA, that EA could be a more effective active component of Gleditsiae Fructus than OA. Conclusions Based on the inflammatory reduction property with moisturizing effect, GSF_Hx may play a role in effective treatment for atopic dermatitis.

Study of Innate Immunity Suppression of Yeonsan Ogye listed on Dong-eui-bo-gam (동의보감에 수재된 오계(烏鷄)의 선천면역반응 억제에 관한 연구)

  • Choi, Hak Joo;Sim, Boo Yong;Joo, In Hwan;Yoo, Sun Kyun;Kim, Dong Hee
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.30 no.4
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    • pp.236-241
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    • 2016
  • The aim of the study is to evaluate immune-enhancing effects of Yeonsan Ogye. Various extract of Yeonsan Ogye (200 and 400 mg/kg/daily) was treated orally to Balb/c mice for 1 week, before acute inflammation was induced by LPS. After cytokine (IFN-γ, TNF-α, IL-6, and IL-1β) and immune cells (white blood cell, neutrophil, lymphocyte, and monocyte) level by serum and blood were counted. As a result, Oral treatment of Yeonsan Ogye extract to the Balb/c mice were significantly decreased cytokine level in serum, in comparison with control group. in addition, production of white blood cell and monocyte in blood was decreased and granulocyte was increased respectively, in comparison with control. Our results demonstrated that Yeonsan Ogye extracts seem to have significant immune-enhancing. Thus, Yeonsan ogye may be developed as a raw material for new health food and medicine to ease the symptoms related with inflammatory and immune.

Effects of Gamioncheong-decoction Water-extract on Anti-inflammation, Anti-oxidation and Skin Whitening (가미온청음(加味溫淸飮) 추출물이 항염증, 항산화 및 미백에 미치는 효과)

  • Choi, You Jin;Roh, Jeong Du
    • Journal of Acupuncture Research
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    • v.32 no.3
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    • pp.117-126
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    • 2015
  • Objectives : This study was an analysis of the anti-inflammatory, anti-oxidative and skin whitening properties of Gamioncheong-decoctione(GMOCD) extract. Methods : GMOCD(96 g) and 2 L of distilled water were heated at $100^{\circ}C$ for four hours and then concentrated, frozen, freeze-dried, dissolved in distilled water and filtered. The following analysis was completed: cell cytotoxic effect using MTT assay, oxidative products of NO by griess assay, concentration of prostaglandin $E_2(PGE_2)$ by commercially competitive enzyme immunoassay, and cytokines($IL-1{\beta}$, IL-6 and TNF-${\alpha}$) by Bio-Plex$^{(R)}$ Suspension Array System's Bio-Plex Pro$^{TM}$ mouse cytokine, chemokine, and growth factor assay. Anti-oxidative effect was measured using the DPPH method and skin whitening effect using tyrosinase inhibition assay. Results : GMOCD water-extract did not show any toxicity at all doses and cell viability was more than 90 % at all doses. GMOCD water-extract significantly inhibited NO production at doses of 100, 200, $400{\mu}g/ml$, significantly inhibited $PGE_2$ production at doses of 200 and $400{\mu}g/ml$ and reduced the LPS-induced IL-$1{\beta}$, IL-6 and TNF-${\alpha}$ production in a dose-dependent manner. $IL-1{\beta}$ production was significantly reduced at a dose of $400{\mu}g/ml$ and IL-6 production was significantly reduced at doses of 200 and $400{\mu}g/ml$. DPPH free radical scavenging capability had a skin whitening effect rate of more than 50%. Tyrosinase inhibition activity was apparent in a dose-dependent manner. Conclusions : This study suggests that GMOCD water-extract suppressed NO and $PGE_2$ production and inhibited cytokines($IL-1{\beta}$, IL-6 and TNF-${\alpha}$). GMOCD also improved DPPH free radical scavenging capability. GMOCD water-extract increased tyrosinase inhibitory activity in a dose-dependent manner but this was not a statistically significant result.

Relief Effect of Medicinal Herb Mixture HAE Series on Respiratory Symptoms (호흡기 증상에 대한 복합제 HAE의 완화 효과)

  • Chang, Bo Yoon;Kim, Da Eun;Han, Ji Hye;Lee, Joo Seok;Kim, Dae Sung;Cho, Hyoung Kwon;Kim, Sung Yeon
    • Korean Journal of Pharmacognosy
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    • v.46 no.4
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    • pp.334-341
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    • 2015
  • HAE series (HAE 01 - 06), are the mixtures of medicinal plants; Lonicerae Folium et Caulis (Lonicera japonica), Scutellariae Radix (Scutellaria baicalensis), Adenophorae Radix (Adenophora triphylla var. japonica), Polygonati Oddorati Rhizoma (Polygonatum odoratum var. pluriflorum), Platycodi Radix (Platycodon grandiflorum), Liriopis seu Ophiopogonis Tuber (Liriope platyphylla). HAE 06 showed the significant antitussive effect in HAE series. HAE 04, 05, and 06 increased the effect of expectorant measured by secretion of phenol red in rats. All tested HAE series were observed to have the anti-oxidant activity determined by the scavenging activity. HAE 01, 03 and 06 were significantly reduced the production of nitric oxide (NO) and tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$) increased by LPS. HAE 06 was selected based on the results and done further experiments. HAE 06 inhibited the number of coughing induced by citric acid in dose dependent manner. HAE 06 effectively increased the effect of expectorant. HAE 06 exhibited anti-inflammatory effects by inhibiting the production of NO and TNF-${\alpha}$. In addition, HAE 06 significantly suppressed inducible Cyclooxygenase-2 (COX-2). Especially HAE 06 has the highest effect in alleviating the respiratory symptoms. Moreover, the enhancement antioxidant activity and reduction inflammation partly were attributed to it. HAE 06 may become the promising candidate for the treatment of respiratory symptom in the future.

Anti-oxidative and Anti-inflammatory Activities of Polysaccharide isolated from Korean-Style Soy Sauce

  • Kim, Hoon;Park, Jungeun;Jung, Jaemee;Hwang, Dahyun
    • Biomedical Science Letters
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    • v.26 no.1
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    • pp.51-56
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    • 2020
  • Soy sauce is one of the representatives of traditional fermented foods in Korea. However, studies on soy sauce are relatively insufficient in Korea compared to Japan. In this study, antioxidant and anti-inflammatory activities of polysaccharides were measured by polysaccharides isolated from two different soy sauces, Korean and Japanese (KSS-0 and JSS-0). KSS-0 was purified into two fractions using gel chromatography and named them as KSS-I and KSS-II. To investigate the antioxidant activity of the polysaccharides, we measured the polyphenol content and radical scavenging activity using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS). To investigate the anti-inflammatory activity of polysaccharides, we used RAW 264.7 macrophage cells and induced inflammation using lipopolysaccharide (LPS). Then, we measured levels of inflammatory mediators such as nitric oxide (NO) and tumor necrosis factor (TNF)-α. Among the four polysaccharides, KSS-II showed the highest antioxidant activity and had good anti-inflammatory activity; KSS-II decreased inflammatory mediators in a dose-dependent manner. In conclusion, the polysaccharide isolated from Korean soy sauce (KSS-II) showed better anti-oxidant and anti-inflammatory activities than polysaccharides isolated from Japanese soy sauce, and may be useful as substances for functional foods.

Anti-inflammatory effects of Nelumbo leaf extracts and identification of their metabolites

  • Park, Eunkyo;Kim, Gyoung Deuck;Go, Min-Sun;Kwon, Dodan;Jung, In-Kyung;Auh, Joong Hyuck;Kim, Jung-Hyun
    • Nutrition Research and Practice
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    • v.11 no.4
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    • pp.265-274
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    • 2017
  • BACKGROUND/OBJECTIVES: Nelumbo leaves have been used in traditional medicine to treat bleeding, gastritis, hemorrhoids, and halitosis. However, their mechanisms have not been elucidated. MATERIALS/METHODS: The present study prepared two Nelumbo leaf extracts (NLEs) using water or 50% ethanol. Inflammatory response was induced with LPS treatment, and expression of pro-inflammatory mediators (inducible nitric oxide synthase, cyclooxygenase-2, tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), interleukin (IL)-$1{\beta}$, and IL-6 and nitric oxide (NO) and prostaglandin $E_2$ ($PGE_2$) productions were assessed. To determine the anti-inflammatory mechanism of NLEs, we measured nuclear factor-${\kappa}B$ (NF-${\kappa}B$) activity. Major metabolites of NLEs were also analyzed and quantified. RESULTS: NLEs effectively reduced the expression and productions of pro-inflammatory mediators such as IL-$1{\beta}$, IL-6, TNF-${\alpha}$, $PGE_2$, and NO. NLEs also reduced NF-${\kappa}B$ activity by inhibiting inhibitor of NF-${\kappa}B$ phosphorylation. Both extracts contained catechin and quercetin, bioactive compounds of NLEs. CONCLUSIONS: In this study, we showed that NLEs could be used to inhibit NF-${\kappa}B$-mediated inflammatory responses. In addition, our data support the idea that NLEs can ameliorate disease conditions involving chronic inflammation.

Antioxidant and Anti-inflammatory activity of Saccharomycopsis fibuligera fermented Lindera obtusiloba flower extract (Saccharomycopsis fibuligera 발효 생강나무 꽃 추출물의 항산화 및 항염효과)

  • Park, Sang-Nam;Yoon, Joong-Soo;Lee, Ok-Hee
    • Journal of Convergence for Information Technology
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    • v.11 no.11
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    • pp.296-303
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    • 2021
  • In this study, the antioxidant activity and anti-inflammatory activity of Lindera obtusiloba flower fermentation extracts were identified. To evulate antioxidant activity and antioxidant concentration, polyphenol concentration measurements, flavonoid concentrations measurements, DPPH experiments, and ABTS experiments were conducted. In Flavonoids, DPPH and ABTS assay, antioxidant activity were increased after fermentation. At this time, the flavonoid concentration was 5.0%, the DPPH experiment showed 33.27% and the ABTS experiment showed 29.82% antioxidant increase. In the anti-inflammatory experiment, we conducted a cytotoxicity experiment and an anti-inflammatory experiment for LPS-induced inflammation. Cytotoxicity showed low cytotoxicity in both control and fermentation groups, but lower cytotoxicity in fermentation groups. In the case of NO production inhibition, fermented Lindera obtusiloba flowers showed an increase in anti-inflammatory activity by more than 50% compared to the control group, showing that they can be used as a cosmetic ingredient with anti-inflammatory function.

Antioxidant and Anti-inflammatory activity of Silvetia siliquosa extract (Silvetia siliquosa 추출물의 항산화 및 항염효과)

  • Kim, Kyoung-Sook;Kim, Sook-hee
    • Journal of Convergence for Information Technology
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    • v.11 no.8
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    • pp.232-239
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    • 2021
  • In this study, the antioxidant and anti-inflammatory properties of Silvetia siliquosa extracts were identified. Antioxidant experiments included polyphenol concentration measurements, flavonoid concentration measurements, DPPH experiments, ABTS experiment NO experiments, and FRAP experiments. For polyphenols, 54.85 ± 2.79 mg/g was shown. Flavonoids showed 18.70 ± 5.26 mg/g. The DPPH experiment showed an antioxidant function of 3.950 mg ascorbic acid/g extract, the ABTS experiment showed an antioxidant function of 7.418 mg ascorbic acid/g extract, and the NO experiment showed an antioxidant function of 6.056 mg ascorbic acid/g extract. In FRAP, 1 mg of the moxibustion extract showed a reduction of 3.633 ± 0.280 ㎍ of ascorbic acid. In the meantime, cell experiments showed cytotoxicity and anti-inflammatory functions against inflammation induced by LPS. In cytotoxicity experiments, Silvetia siliquosa extracts showed a cell survival rate of more than 80% at all concentrations, and an inflammatory inhibition of 26.94±0.52% at a concentration of 100 ㎍/mL. These results indicate that Silvetia siliquosa extract is available as an anti-inflammatory cosmetic material.

Antioxidant and Anti-inflammatory activity of Sargassum patens extract (쌍발이모자반(Sargassum patens) 추출물의 항산화 및 항염효과)

  • Kim, Sook-hee
    • Journal of Convergence for Information Technology
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    • v.11 no.7
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    • pp.264-271
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    • 2021
  • In this study, the antioxidant and anti-inflammatory properties of Sargassum patens extracts were identified. Antioxidant experiments included polyphenol concentration measurements, flavonoid concentration measurements, DPPH experiments, ABTS experiment NO experiments, and FRAP experiments. For polyphenols, 18.99±0.69 mg/g was shown. Flavonoids showed 11.89±1.16 mg/g. The DPPH experiment showed an antioxidant function of 19.78 mg ascorbic acid/g extract, the ABTS experiment showed an antioxidant function of 63.64 mg ascorbic acid/g extract, and the NO experiment showed an antioxidant function of 7.966 mg ascorbic acid/g extract. In FRAP, 1 mg of the moxibustion extract showed a reduction of 2.089 ㎍ of ascorbic acid. In the meantime, cell experiments showed cytotoxicity and anti-inflammatory functions against inflammation induced by LPS. In cytotoxicity experiments, Sargassum patens extracts showed a cell survival rate of more than 80% at all concentrations, and an inflammatory inhibition of 30.64±0.23% at a concentration of 100 ㎍/mL. These results indicate that Sargassum patens extract is available as an anti-inflammatory cosmetic material.

Interruption of Helicobacter pylori-Induced NLRP3 Inflammasome Activation by Chalcone Derivatives

  • Choi, Hye Ri;Lim, Hyun;Lee, Ju Hee;Park, Haeil;Kim, Hyun Pyo
    • Biomolecules & Therapeutics
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    • v.29 no.4
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    • pp.410-418
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    • 2021
  • Helicobacter pylori causes chronic gastritis through cag pathogenicity island (cagPAI), vacuolating cytotoxin A (VacA), lipopolysaccharides (LPS), and flagellin as pathogen-related molecular patterns (PAMPs), which, in combination with the pattern recognition receptors (PRRs) of host cells promotes the expression and secretion of inflammation-causing cytokines and activates innate immune responses such as inflammasomes. To identify useful compounds against H. pylori-associated gastric disorders, the effect of chalcone derivatives to activate the nucleotide-binding oligomerization domain (NOD)-like receptor family, pyrin domain-containing 3 (NLRP3) inflammasome was examined in an H. pylori-infected human monocytic THP-1 cell line in this study. Among the five synthetic structurally-related chalcone derivatives examined, 2'-hydroxy-4',6'-dimethoxychalcone (8) and 2'-hydroxy-3,4,5-trimethoxychalcone (12) strongly blocked the NLRP3 inflammasome in H. pylori-infected THP-1 cells. At 10 μM, these compounds inhibited the production of active IL-1β, IL-18, and caspase-1, and apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) oligomerization, but did not affect the expression levels of NLRP3, ASC, and pro-caspase-1. The interruption of NLRP3 inflammasome activation by these compounds was found to be mediated via the inhibition of the interleukin-1 receptor-associated kinase 4 (IRAK4)/IκBα/NF-κB signaling pathway. These compounds also inhibited caspase-4 production associated with non-canonical NLRP3 inflammasome activation. These results show for the first time that certain chalcones could interrupt the activation of the NLRP3 inflammasome in H. pylori-infected THP-1 cells. Therefore, these chalcones may be helpful in alleviating H. pylori-related inflammatory disorders including chronic gastritis.