• Title/Summary/Keyword: flow cytometer

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가미지황탕(加味地黃湯)이 천식모델 생쥐의 CD4, CD8 세포에 미치는 영향 (Effect of Kamijihwang-tang on CD4, CD8 Cells in OVA-induced Asthmatic Mice)

  • 김운길;박양춘
    • 동의생리병리학회지
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    • 제21권2호
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    • pp.438-443
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    • 2007
  • The purpose of this research is to examine the effects of Kamijihwang-tang(KJHT) on CD+4 T cells and CD8+ T cell ovalbumin (OVA)-induced asthmatic mice. C57BL/6 mice were injected, inhaled and sprayed with OVA for 12 weeks (four a week) for asthma induction. Two experimental groups were treated with different concentrations of KJHT (400 mg/kg and 200 mg/kg) extract and cyclosporine A (10 mg/kg) for the later 8 weeks. At the end of the experiment, the mice lung, peripheral lymph node (PLN), and spleen were removed and CD4+ T cells and CD8 + T cells for analyzed by flow cytometer. Number of CD4+ T cells in lung, PLN, spleen of the KJHT group (400 mg/kg) were significantly decreased compared with that of control group. Number of CD8+ T cells in lung, PLN, spleen of the KJHT group (200 mg/kg) were significantly decreased compared with that of control group. The results of this study suggest that KJHT alleviated asthmatic hyperactivity through CD4+ and CD8+ T cells. Further study of relative cytokines is expected.

급각자가 천식모델 생쥐의 면역세포 및 사이토카인에 미치는 영향 (Effect of Gleditsiae Spina extract on immune cells and cytokines in OVA-induced asthmatic mice)

  • 송상진;박양춘
    • 대한한방내과학회지
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    • 제26권1호
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    • pp.143-155
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    • 2005
  • Objective : The purpose of this research is to examine the effects of Gleditsiae Spina (GS) extract on immune cells and cytokines in ovalbumin (OVA)-induced asthmatic mice. Methods : In vivo, C57BL/6 mice were sensitized and handicapped by OVA for 12 weeks. During this experiment, the one group was then treated with GS extract for the later 8 weeks (3 times per week) and analyzed by ELISA, flow cytometer and RT-PCR. Results : In vivo, there were significant decreases in eosinophils, IL-4, IL-5, IL-13, IgE in BALF (bronchoalveolar lavage fluid). However, $IFN-{\gamma}$ in BALF of GS group increased significantly, compared with that of control group. Additionally, the population of $CD3e^-/CCR3^+,\;CD69^+/CD3e^+,\;IgE^+/B220^+,\;CD11b^+/Gr-l^+$ cells in the GS group decreased. Conclusion : The results of this study support a role for GS as an effective treatment for asthma in its experimental success in significantly decreasing inflammation and asthma reactions, and in increasing $IFN-{\gamma}$, which helps prevent such reactions.

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반하(半夏)가 천식모델 생쥐의 면역세포 및 사이토카인에 미치는 영향 (Effects of Pinelliae Rhizoma on immunocyte and cytokine production in asthma model mouse)

  • 송재진;박양춘
    • 대한한방내과학회지
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    • 제26권1호
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    • pp.156-168
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    • 2005
  • Objective : The purpose of this research is to examine the effects of Pinelliae Rhizoma (PR) extract on immune cells and cytokines in ovalbumin (OVA)-induced asthmatic mice. Methods : In vivo, C57BL/6 mice were sensitized and handicapped by OVA for 12 weeks. During this experiment, the one group was then treated with PR extract for the 8 weeks (3 times per week) and analyzed by ELISA and flow cytometer. Results : In vivo, there were significant decreases in eosinophils, IL-4, IL-5, IL-13, IgE in BALF (bronchoalveolar lavage fluid) compared with that of control group. However, $IFN-{\gamma}$ in BALF of GS group increased significantly, compared with that of control group. Additionally, the population of $CD3e^-/CCR3^+,\;CD69^+/CD3e^+,\;IgE^+/B220^+,\;CD11b^+/Gr-l^+$ cells in the PR group decreased, compared with that of control group. Conclusion : The results of this study support a role for PR as an effective treatment for asthma in its experimental success in significantly decreasing inflammation and asthma reactions, and in increasing $IFN-{\gamma}$, which helps prevent such reactions.

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Antioxidant and Anticancer Activities of Leaves Extracts from Acer tegmentosum

  • Eo, Hyun Ji;Park, Gwang Hun;Kim, Da Som;Kang, Yeongyeong;Park, Youngki
    • 한국자원식물학회지
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    • 제33권6호
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    • pp.551-557
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    • 2020
  • In this study, we were performed to elucidate the antioxidant and anticancer activity by leaves extracts from Acer tegmentosum (AT-L). In DPPH, ABTS radical scavenging activity, the AT-L revealed the high scavenging activity. Especially, the AT-L measured the highest ABTS radical scavenging activity, which is higher than ascorbic acid. The types of human cancer cells for evaluating the anticancer activity were colorectal cancer (SW480), prostate cancer (PC-3), breast cancer (MCF-7), pancreatic cancer (AsPC-1), lung cancer (A549) and liver cancer (HepG2). Human cancer cell viability was measured using MTT assay. Treatment of the AT-L decreased the cell viability and induced apoptosis in SW480 cells. These results suggest that extracts of the AT-L can be used as supplementary material for developing the natural antioxidant and anticancer drug for human cancer cells.

황금이 천식모델 생쥐의 폐조직내 면역세포에 미치는 영향 (Effect of Scutellariae Radix extract on immune cells in OVA-induced asthmatic mice lung tissue)

  • 박길병;박양춘
    • 혜화의학회지
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    • 제14권1호
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    • pp.35-42
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    • 2005
  • Objective : The purpose of this research is to examine the effects of Scutellariae Radix(SR) extract on immune cells in ovalbumin(OVA)-induced asthmatic mice. Methods : In vitro, C57BL/6 mice were exposed to OVA for 6 weeks. The mice lungs were taken out, chopped, grinded with collagenase and activated by rIL-3/rIL-5. The lung cells were treated with SR extract and analyzed by a flow cytometer. Results : The population of granulocytes/lymphocytes, CD3e-/CCR3+, CD69+/CD3e+, CD23+/B220+, CD4+ cells in the SR group in vitro decreased and population of CD8+ cells in the 100 and $10{\mu}g/m{\ell}$ SR group in vitro decreased, compared with that of control group. Conclusion : The results of this study support a role for SR as an effective treatment for asthma in its experimental success in significantly decreasing inflammation and asthma reactions.

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죽력(竹瀝)이 T-lymphocytes 및 복강(腹腔) Macrophage에 미치는 영향(影響) (Effect of Bambusae Caulis in Liquamen on T-lymphocytes and Peritoneal Macrophages)

  • 정현우;강성용;한종현;이원석;오찬호;은재순
    • 대한한방내과학회지
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    • 제18권2호
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    • pp.27-39
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    • 1997
  • The purpose of this research was to investigate effects of Bambusae Caulis in Liquamen(BCL) on T-lymphocytes and peritoneal macrophages in mice. The apoptosis and subpopulation of T-lymphocytes were tested using a flow cytometer. The phagocytic activity of mouse peritoneal macrophage was tested using a luminometer. Nitric oxide production was tested using a Griess reagents. BCL induced T-lymphocytes apoptosis. BCL increased $T_H$ cells population and decreased $T_C$ cells population of T-lymphocyte, but did not affect splenocytes subpopulation. BCL increased nitric oxide production and phagocytic activity of peritoneal macrophage in mice. These results suggest that BCL regulates the immune system in consequence of an increase in helper T cell population and macrophages activation.

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자하거(紫河車) 약침이 천식모델 생쥐의 면역세포 및 사이토카인에 미치는 영향 (Effect of Hominis Placenta Herbal Acupuncture on immune cells and cytokines in OVA-induced asthmatic mice)

  • 임지택;박양춘
    • 동의생리병리학회지
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    • 제19권2호
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    • pp.446-451
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    • 2005
  • This experiment was designed to investigate the effect of Mominis Placenta herbal acupuncture solution(HP-HAS) on immune cells and cytokines in murine asthma model. In vivo C57BL/6 mice were sensitized and challenged with OVA for 12 weeks. The experimental group was treated with Hominis Placenta herbal acupuncture solution(HP-HAS) at P'yesu(BL13) for the later 8 weeks(3 times a week) and analyzed by ELISA, flow cytometer. The results were obtained as follows Eosinophils in BALF(bronchoalveolar lavage fluid) of HP-HAS group decreased significantly compared with that of control group. IL-4, IL-5, IL-13, IgE in BALF of HP-HAS group decreased significantly compared with that of control group. Number of $CD3e^-/CCR3^+$, $CD69^+/CD3e^+$, $CD11b^+/Gr-1^+$ cells in the HP-HAS group decreased compared with that of control group.

거주환경이 다른 두 노인집단의 영양상태 및 면역능 비교 (Comparison of Nutritional Status and Immunocompetence of Elderly Women in Urban and Rural Area)

  • 이지혜;김현숙
    • Journal of Nutrition and Health
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    • 제31권7호
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    • pp.1174-1182
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    • 1998
  • The purpose of this study was to compare the nutritional status and the immunocompetence of elderly women residing in urban and rural areas. Dietary food records and anthropometric measurements were used to evaluate the nutritional status of subjects. The immune function of subjects was assessed by total and differential white blood cell(WBC) counts. Total B and T Lymphocytes, and T cell subsets were quantified by flow-cytometer. Immunoglobulin G, A, and M concentrations were also measured as an index of humoral immunity. Elderly women in rural area showed a relatively lower dietary intake of total energy, protein, and iron than did urban elderly women. Total WBC, neutrophil counts, eosinophil counts, and the percentage of neutrophils among total leukocytes were significantly higher in urban elderly women than in rural women. Although the numbers of lymphocytes were not significantly different, the percentage of Lymphocytes among total leukocytes as greater in rural elderly women than in urban. Both groups did not show any significant differences in numbers of T cell subsets and NK cells. Immunoglobulin G, A, and M levels were not significantly different between the two groups, but the numbers of subjects placed under the deficient range of immunoglobulins were greater in rural than in urban elderly women. from the present study, it could be suggested that poor nutritional intake may selectively affect the number of immune cells, thereby influencing the immunocompetence of elderly women. (Korean J Nutrition 31(7) 1174-1182, 1998)

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보중익기탕이 cytochrome P450 및 LKB1-AMPK 항산화 신호에 미치는 영향 (Effect of Bojungikgi-tang on cytochrome P450 and LKB1-AMPK anti-oxidant signaling pathway)

  • 송유림;박선동;김영우
    • 대한한의학방제학회지
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    • 제29권4호
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    • pp.277-283
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    • 2021
  • Objectives : We investigated the effects of Bojungikgi-tang (BJIGT) on P450 cytochrome enzyme and oxidative stress in the cells. Methods : We enrolled the HepG2 hepatocyte cell line to assess MTT assay, flow cytometer, and immunoblotting analysis. Expression of CYP450 was confirmed by immunoblotting analysis in the Huh7 cell line. Results : We determined that BJIKT markdely changed the expression of the CYP2C19, CYP2D6, and CYP2E1. Moreover, BJIKT inhibited the cell toxicity induced by arachidonic acid + iron treatment, as assessed by FACS analysis. BJIKT induced AMPK activation, which increased the phophorylation of ACC. Conclusions : This study verified the effects of BJIKT, on P450, ROS production, mitochondrial damage and AMPK signaling pathway, which might give us the scientific information about the traditional herbal prescription.

Anti-Inflammatory Efficacy of Human-Derived Streptococcus salivarius on Periodontopathogen-Induced Inflammation

  • Dong-Heon Baek;Sung-Hoon Lee
    • Journal of Microbiology and Biotechnology
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    • 제33권8호
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    • pp.998-1005
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    • 2023
  • Streptococcus salivarius is a beneficial bacterium in oral cavity, and some strains of this bacterium are known to be probiotics. The purpose of this study was to investigate the anti-inflammatory effect and mechanism of S. salivarius G7 lipoteichoic acid (LTA) on lipopolysaccharide (LPS) and LTA of periodontopathogens. The surface molecules of S. salivarius G7 was extracted, and single- or co-treated on human monocytic cells with LPS and LTA of periodontopathogens. The induction of cytokine expression was evaluated by real-time PCR and ELISA. After labeling fluorescence on LPS and LTA of periodontopathogens, it was co-treated with S. salivarius LTA to the cell. The bound LPS and LTA were measured by a flow cytometer. Also, the biding assay of the LPS and LTA to CD14 and LPS binding protein (LBP) was performed. The surface molecules of S. salivarius G7 did not induce the expression of inflammatory cytokines, and S. salivarius G7 LTA inhibited the inflammatory cytokines induced by LPS and LTA of periodontopathogens. S. salivarius G7 LTA inhibited the binding of its LPS and LTA to cells. Also, S. salivarius G7 LTA blocked the binding of its LPS and LTA to CD14 and LBP. S. salivarius G7 has an inhibitory effect on inflammation induced by LPS or LTA of periodontopathogens, and may be a candidate probiotics for prevention of periodontitis.