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검색결과 6,765건 처리시간 0.05초

Lactobacillus gasseri 505를 사용한 꾸지뽕잎 추출물 첨가 신바이오틱스 발효유의 면역활성 조절 연구 (Immunomodulatory Effects of Fermented Milk based on Synbiotic Interaction between Cudrania tricuspidata Leaf Extract and Lactobacillus gasseri 505)

  • 이지영;김수경;신용국;오남수
    • Journal of Dairy Science and Biotechnology
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    • 제36권1호
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    • pp.39-48
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    • 2018
  • This study examined the immunomodulatory effects of milk fermented with based on the synbiotic interaction between Cudrania tricuspidata leaf extract (CT) and Lactobacillus gasseri 505. Raw 264.7 macrophages were treated with milk (Control), milk supplemented with 0.2% CT (CT-milk), or CT-milk fermented with L. gasseri 505 (FCT). FCT-treated cells showed higher NO production than the other groups. ELISA revealed that FCT produced the highest enhancement of the production of pro-inflammatory cytokines such as $TNF-{\alpha}$, $IFN-{\gamma}$, $IL-1{\beta}$, IL-6, IL-2, IL-12, and IL-10. Furthermore, FCT also increased the gene expression of pro-inflammatory mediators such as iNOS and COX-2 in a concentration-dependent manner. Collectively, these results indicate that the synbiotic interaction between CT and L. gasseri 505 might enhance their immunomodulatory effects of fermented milk.

Investigation of serum biomarkers for neuropathic pain in neuromyelitis optica spectrum disorder: a preliminary study

  • Hyun, Jae-Won;Kim, Yeseul;Kim, Ho Jin
    • Annals of Clinical Neurophysiology
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    • 제23권1호
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    • pp.46-52
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    • 2021
  • Background: We aimed to investigate candidates for serological biomarkers of neuropathic pain in individuals with neuromyelitis optica spectrum disorder (NMOSD). Methods: We analyzed 38 sera samples from 38 participants with NMOSD in National Cancer Center. Neuropathic pain was evaluated using the painDETECT questionnaire. Pain with neuropathic components (painDETECT score ≥ 13) was observed in 22 participants, among whom 17 had definite neuropathic pain (painDETECT score ≥ 19). The remaining 16 participants had non-neuropathic pain (painDETECT score < 13). Serum glial fibrillary acidic protein (GFAP) levels were assessed using a single-molecule array assay. Several cytokines, including tumor necrosis factor-alpha (TNF-α), interleukin (IL)-6, IL-10, and IL-17A, were measured by a multiplex bead-based immunoassay. Results: In comparison of NMOSD participants with neuropathic pain components (or definite neuropathic pain) and those with non-neuropathic pain, the absolute values of serum GFAP, TNF-α, IL-6, and IL-10 levels were higher in participants with neuropathic pain components (or definite neuropathic pain), but these findings did not reach statistical significance. Conclusions: Further larger-scale investigations to find reliable serological biomarkers for neuropathic pain in NMOSD are warranted.

Neolignan Derivatives from the Flower of Magnolia biondii Pamp. and their Effects on IL-2 expression in T-cells

  • Nguyen, Thi Tuyet Mai;Nguyen, Thi Thu;Lee, Hyun-Su;Jun, Chang-Duk;Min, Byung Sun;Kim, Jeong Ah
    • Natural Product Sciences
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    • 제23권2호
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    • pp.119-124
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    • 2017
  • The isolation of the MeOH extract from the flower bud of Magnolia biondii Pamp. using various column chromatographies and HPLC led to eleven neoglignan derivatives (1 - 11). Their structures were mainly determined by 1D and 2D NMR spectral data analysis and physiological methods. The isolated compounds (1 - 11) were tested for anti-allergic effects using IL-2 inhibitory assay in Jurkat T cells.

Effects of Armillaria mellea Extract on Macrophage and NK Cell Activity

  • Park Byoung-Wook;Shin Jang-Woo;Cho Jung-Hyo;Son Chang-Gue;Lee Yeon-Weol;Yoo Hwa-Seung;Lee Nam-Heon;Yun Dam-Hee;Cho Chong-Kwan
    • 대한한의학회지
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    • 제25권4호
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    • pp.161-170
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    • 2004
  • Objective : The purpose of this study was to investigate the effects of Armillaria mellea extract (AME) on immune modulation focused on anti-cancer activity. Methods : To prove the effects of AME, we performed NO assay, NK cytotoxicity assay and RT-PCR of cytokine related with macrophage and NK cell activity. Results : AME increased NO production produced by macrophages in part. AME also enhanced the NK cell activities in destroying target cells (YAC-1 cells). AME up-regulated gene expression of IL-l, iNOS, TNF-a in RAW 264.7 cells and IL-l, IL-2, IFN-(equation omitted), TNF-a in splenocytes, respectively. Conclusion : From the above results, we assumed that AME is a potential drug for anti-cancer by activation of the macrophages and NK cells.

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OMC-2010 추출물이 마우스의 비장세포 cytokine 생성에 미치는 영향 (Effects of OMC-2010 extracts on cytokine productions in mouse spleen cells)

  • 배기상;박경철;최선복;조일주;서상완;김종진;신용국;김민선;박규환;김현식;송호준;박성주
    • 대한본초학회지
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    • 제27권5호
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    • pp.21-25
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    • 2012
  • Objective : This study was performed to estimate the effects of OMC-2010 extract on cytokine production in mouse spleen cells. Methods : Mouse spleen cells were pre-treated with ethanol and water extract of OMC-2010 for 1 h, then stimulated with lipopolysaccharide (LPS, 1 ${\mu}g/ml$) for 48 h. Then the cells were harvested for real-time reverse transcription polymerase chain reaction to detect cytokines. Results : OMC-2010 ethanol extract significantly inhibited the LPS-induced interleukin (IL)-1beta, tumor necrosis factor (TNF)-alpha and IL-5 mRNA expressions, but not shown such changes in IL-6, IL-4, IL-13. OMC-2010 water extract significantly inhibited the LPS-induced TNF-alpha, and IL-5 mRNA expressions, but not shown such changes in IL-1beta, IL-6, IL-4, IL-13. Conclusions : Theses results could suggest that both ethanol and water OMC-2010 extract could inhibit the TNF-alpha and IL-5 mRNA expression.

Dietary Diversity during Early Infancy Increases Microbial Diversity and Prevents Egg Allergy in High-Risk Infants

  • Bo Ra Lee;Hye-In Jung;Su Kyung Kim;Mijeong Kwon;Hyunmi Kim;Minyoung Jung;Yechan Kyung;Byung Eui Kim;Suk-Joo Choi;Soo-Young Oh;Sun-Young Baek;Seonwoo Kim;Jaewoong Bae;Kangmo Ahn;Jihyun Kim
    • IMMUNE NETWORK
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    • 제22권2호
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    • pp.17.1-17.14
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    • 2022
  • We aimed to investigate associations of dietary diversity (DD) with gut microbial diversity and the development of hen's egg allergy (HEA) in infants. We enrolled 68 infants in a high-risk group and 32 infants in a control group based on a family history of allergic diseases. All infants were followed from birth until 12 months of age. We collected infant feeding data, and DD was defined using 3 measures: the World Health Organization definition of minimum DD, food group diversity, and food allergen diversity. Gut microbiome profiles and expression of cytokines were evaluated by bacterial 16S rRNA sequencing and real-time reverse transcriptase-polymerase chain reaction. High DD scores at 3 and 4 months were associated with a lower risk of developing HEA in the high-risk group, but not in the control group. In the high-risk group, high DD scores at 3, 4, and 5 months of age were associated with an increase in Chao1 index at 6 months. We found that the gene expression of IL-4, IL-5, IL-6, and IL-8 were higher among infants who had lower DD scores compared to those who had higher DD scores in high-risk infants. Additionally, high-risk infants with a higher FAD score at 5 months of age showed a reduced gene expression of IL-13. Increasing DD within 6 months of life may increase gut microbial diversity, and thus reduce the development of HEA in infants with a family history of allergic diseases.

Combined Detection of Serum IL-10, IL-17, and CXCL10 Predicts Acute Rejection Following Adult Liver Transplantation

  • Kim, Nayoung;Yoon, Young-In;Yoo, Hyun Ju;Tak, Eunyoung;Ahn, Chul-Soo;Song, Gi-Won;Lee, Sung-Gyu;Hwang, Shin
    • Molecules and Cells
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    • 제39권8호
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    • pp.639-644
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    • 2016
  • Discovery of non-invasive diagnostic and predictive biomarkers for acute rejection in liver transplant patients would help to ensure the preservation of liver function in the graft, eventually contributing to improved graft and patient survival. We evaluated selected cytokines and chemokines in the sera from liver transplant patients as potential biomarkers for acute rejection, and found that the combined detection of IL-10, IL-17, and CXCL10 at 1-2 weeks post-operation could predict acute rejection following adult liver transplantation with 97% specificity and 94% sensitivity.

Effect of Egg White Combined with Chalcanthite on Lipopolysaccharide induced Inflammatory Cytokine Expression in RAW 264.7 cells

  • Choi, Eun-A;Yoon, Jeung-Won;Choi, Hak-Joo;Kim, Dong-Hee;Yoo, Hwa-Seung
    • 대한약침학회지
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    • 제15권1호
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    • pp.7-11
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    • 2012
  • Aim: Historically, mineral compound herbal medicines have long been used in treatments of immune-related diseases in Korea, China and other Asian countries. In this study, we investigated the anti-inflammatory effect of egg white combined with chalcanthite (IS4) on lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. Methods: RAW 264.7 cells cultured with LPS and various concentrations of IS4 were analyzed to determine the production of pro-inflammatory cytokines and mediators by using enzyme-linked immune sorbent assays (ELISAs). Results: IS4 concentration inhibited the production of interleukin-1beta (IL-$1{\beta}$), interleukin-6 (IL-6), and granulocyte-macrophage colony-stimulating factor (GM-CSF) induced by LPS. IS4 at high concentrations (25 and 50 ${\mu}g/ml$) inhibited, in concentration-dependent manner, the expression of tumor necrosis factor-alpha (TNF-${\alpha}$) stimulated by LPS. Conclusion: IS4 has shown an anti-inflammatory effect in RAW 264.7 cells.