• Title/Summary/Keyword: murine peritoneal macrophages

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Protective Effect of Polysaccharide Fractions from Radix A. Sinensis against tert-Butylhydroperoxide Induced Oxidative Injury in Murine Peritoneal Macrophages

  • Yang, Xingbin;Zhao, Yan;Lv, You;Yang, Ying;Ruan, Yun
    • BMB Reports
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    • v.40 no.6
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    • pp.928-935
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    • 2007
  • Three Angelica sinensis polysaccharide fractions (APFs), named APF1, APF2 and APF3, were isolated and purified from Radix A. sinensis and their antioxidant activities were evaluated in isolated mouse peritoneal macrophages by pretreatment with APFs before exposure to 0.2 mM tertbutylhydroperoxide (t-BHP). The results showed that pretreatment of the macrophages with APFs as low as $10{\mu}g$/ml could significantly enhance t-BHP-decreased cell survival, intracellular glutathione (GSH) content and superoxide dismutase (SOD) activity, and also inhibited t-BHP-increased lactate dehydrogenase (LDH) leakage and malondialdehyde (MDA) formation (p < 0.05), and APF3 was the most active fraction, followed by APF2 and APF1 in decreasing order. Furthermore, we found for the first time that the bound-protein in APF3 was associated closely with the protective effects and the polysaccharide inhibited the excess NO release from t-BHP-activated macrophages to protect host cells.

Immune Cell Stimulating Activity of Wheat Arabinoxylan (밀 arabinoxylan의 면역세포 활성화 작용)

  • Choi, Eun-Mi;Lim, Tae-Soo;Lee, Hye-Lim;Hwang, Jae-Kwan
    • Korean Journal of Food Science and Technology
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    • v.34 no.3
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    • pp.510-517
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    • 2002
  • Effects of wheat arabinoxylan on mouse spleen lymphocytes and peritoneal macrophages were examined in vitro. Among three wheat arabinoxylans (A1: low MW, A2: medium MW, A3: high MW), A3$(50{\sim}100\;{\mu}g/mL)$ increased the viability of spleen lymphocytes up to $114{\sim}125%$ of the control. A1 and A3 $(20\;{\mu}g/mL)$ increased the viability of lipopolysaccharide-treated lymphocytes synergistically. Viability of murine peritoneal macrophages treated with wheat arabinoxylans $(10{\sim}100{\mu}g/mL)$ was increased up to $135{\sim}175%$ of the control. The cytotoxic activity of macrophages against murine lymphocytic leukemic cell increased in the presence of wheat arabinoxylan. Phagocytic index of macrophages treated with wheat arabinozylans $(20\;{\mu}g/mL)$ significantly increased $197{\sim}232%$ compared with the control, and lysosomal phosphatase and myeloperoxidase activities also increased significantly (p<0.05). Treatment of wheat arabinoxylans tended to decrease nitrite production, but significantly stimulated $H_2O_2\;and\;O_2$ productions of macrophages (p<0.05). These results indicate that the immunostimulating effect of wheat arabinoxylan may be closely related with lysosomal enzyme activity and reactive oxygen intermediate production of macrophages.

Effects of Moschus moschiferus Extracts on the Inflammatory Cytokines Gene Expression of Murine Macrophages (사향추출물이 생쥐 대식세포의 염증 유발 싸이토카인 유전자 발현에 미치는 영향)

  • Lim, Seok-lin
    • Journal of Haehwa Medicine
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    • v.9 no.2
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    • pp.315-324
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    • 2001
  • To investigate the capacity of anti-inflammatory cytokines and biological response modifiers (BRMs) to induce IL-$1{\beta}$, IL-6, TNF-${\alpha}$ gene overexpression from mouse macrophages, we isolated the resident peritoneal macrophages from BALB/c mouse (8 week old) and incubated for 6 h with lipopolysaccaride (LPS) and Moschus moschiferus (MOMS) extracts. Analysis of inflammatory cytokines gene expression was carried out by RT-PCR amplification. Amplified PCR products were electrophoresed on 1.2% agarose gel, and the analysis (Ht) was used to 1D-density program. 1. LPS and MOMS extract treatments resulted in a significant decrease in IL-$1{\beta}$, IL-6, TNF-${\alpha}$ mRNA expression level compared with the LPS treatment. 2. Among four sample of MOMS, Inhibitory effects of MOMS-A and MOMS-D for inflammatory cytokines gene expression were to be fine compared with the MOMS-Band MOMS-C. According to the above data, Because the anti- tumoral and anti-inflammatory response activities of macrophage are known to be dependent on the production of inflammatory cytokines (IL-$1{\beta}$, IL-6, TNF-${\alpha}$) by macrophages, we suggest that evaluations of BRM for the reduction of inflammatory cytokines production by macrophages are important for clinical application.

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Uncaria sinensis(OIi.) Havil Suppressendotoxin-induced Proinflammatory Responses through Blocking ERK Signaling Pathways

  • Park, Tai-Guang;Moon, Hyung-Cheal;Cho, Hae-Joong;Seo, Sang-Wan;Jung, Won-Sek;Song, Ho-Joon;Park, Sung-Joo
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.21 no.5
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    • pp.1297-1302
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    • 2007
  • Uncaria sinensis(OIi.) Havil (USH) is used in traditional Korean medicine to treat inflammation such as amebic dysentery. In this study, we investigated the anti-inflammatory effect of USH. The water extract of USH significantly inhibits lipopolysaccharide (LPS)-induced nitrite oxide (NO), tumor necrosis factor $(TNF)-{\alpha}$, interleukin (IL)-6and IL-12 productions in murine peritoneal macrophages. Furthermore, USH selectively inhibited activation of the extracellular signal-regulated kinase (ERK) but not of p38 MAPK, c-Jun N-terminal kinase (JNK) and nuclear $factor-{\kappa}B$ $(NF-{\kappa}B)$. In murine model, we found that administration of USH reduced serum levels of $TNF-{\alpha}$, IL-6 and IL-12 productions in LPS-treated mice. Our results suggest that USH exerts ant-inflammatory effects in macrophages via inhibition of ERK activation and may be a useful therapeutic approach to inflammatory diseases.

Study on the Pharmacological Effects of Preparations Containing Beta-carotene - On $Beautycarotene^{TM}$ Preparations - (베타카로틴 함유 제제의 약효 연구 - 뷰티카로틴 제제에 대하여 -)

  • Eun, Jae-Soon;Seo, Seung-Yong;Oh, Suk-Heung;Kim, Yo-Han;You, Jin-Ju;Cho, Hyoung-Kwon
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.23 no.5
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    • pp.1012-1018
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    • 2009
  • The purpose of this research was to investigate the pharmacological effects of preparations containing beta-carotene, $Beautycarotene^{TM}$. $Beautycarotene^{TM}$ increased the collagen synthesis in CCD-986sk cells, DPPH radical scavenging activity and tyrosinase inhibitory activity in vitro system. In addition, it enhanced the viability of murine thymocytes and the population of splenic $CD4^+$ cells. Also, it increased the phagocytic activity of murine peritoneal macrophages. These results indicate that $Beautycarotene^{TM}$ can have a protective effect of skin via the diverse action, such as the stimulatory action of collagen synthesis, antioxidative action, tyrosinase inhibitory action and immune regulatory action.

Effect of the Seeds of Coix Lachryma-Jobi L. var. Ma-yuen Stapf. on the Proliferation of L1210 cells, a Leukemic cell-lines (율무가 백혈병세포주인 L1210 세포의 증식에 미치는 영향)

  • Lee, Dong-Hee;Jeon, Yong-Geun;Eun, Jae-Soon
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.19 no.3
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    • pp.705-709
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    • 2005
  • The purpose of this research was to investigate the effects of Coix Lachryma-Jobi L. var. Ma-yuen Stapf. on the proliferation of L1210 cells and immune cells. The hexane fraction of Coix Lachryma-Jobi decreased the proliferation of L1210 cells and induced DNA fragmentation of L1210 cells. Also, the fraction decreased the cell viability of murine thymocytes and splenocytes, but increased the phagocytic activity of murine peritoneal macrophages. In addition, fatty acids and fatty acid methyl esters decreased the proliferation of L1210 cells and induced DNA fragmentation of L1210 cells. The main components of the fraction are fatty acid and their derivatives. These results indicate that Coix Lachryma-Jobi has a cytotoxicity on tumor cells and immune cells.

Effect of Pine needle Ethanol Extracts on the Inhibitory Activity of Atopic Dermatitis (송엽 에탄올 추출물의 아토피 저해 활성)

  • Jeong, Da-Hyun;Kim, Koth-Bong-Woo-Ri;Jung, Seul-A;Kim, Hyun-Jee;Kang, Bo-Kyeong;Bark, Si-Woo;Kim, Tae-Wan;Ahn, Dong-Hyun
    • KSBB Journal
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    • v.28 no.2
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    • pp.123-130
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    • 2013
  • The aim of this study was to examine inhibitory effects of pine needle ethanol extracts (PNEE) on atopic dermatitis (AD). To determine inflammatory activity PNEE was added to LPS-induced murine peritoneal macrophages for an in-vitro test. In addition, anti-AD test was carried out by spreading PNEE on the dorsal skin of 2,4-dinitrochlorobenzene (DNCB)- induced BALB/c mice. It was confirmed that the nitric oxide (NO) secretion was suppressed when $1{\sim}50{\mu}g/mL$ of PNEE were added to LPS-induced murine peritoneal macrophages. Moreover, levels of TNF-${\alpha}$, IL-6, and IL-$1{\beta}$, were decreased. For the anti-AD test, PNEE alleviated symptoms of the erythema in DNCB-induced mice. Furthermore, the IFN-${\gamma}$ secretion of the group treated with PNEE was increased in splenocytes from DNCB-induced mice compared to the positive control, while IL-4 secretion diminished. Through these results, we can conclude that PNEE can inhibit AD by modulating the IFN-${\gamma}$, IL-4 cytokines production and inhibiting inflammation.

Immunoregulative Action of Ethyl Alcohol Fraction of Cervus nippon (녹용 에탄올 분획의 면역조절작용)

  • Suh, Jeong-Sook;Kwon, Jin
    • The Korean Journal of Food And Nutrition
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    • v.14 no.2
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    • pp.99-105
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    • 2001
  • Immunoregulative action of 70% ethyl alcohol fraction of Cervus nippon was investigated in vitro. The fraction enhanced the proliferation of thymocytes and the population of CD4$\^$+/CD8$\^$-/ single-positive cells in thymocytes. CN-E enhanced [Ca$\^$2+]$\sub$i/, the production of TNF-${\alpha}$ and IL-1 ${\beta}$, and phagocytosis in peritoneal macrophages. The fraction did not induce the proliferation of splenocytes and DNA fragmentation in thymocytes. These results indicate that 70% ethyl alcohol fraction of Cervus nippon regulates immunological action by stimulating murine thymocytes and macrophages.

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