• 제목/요약/키워드: PGE$_2$

검색결과 1,086건 처리시간 0.029초

심실중격결손을 동반하지 않은 대혈관전위증 환자에서 동맥 전환술의 결과 및 위험인자 분석에 관한 연구 (Risk Factors Analysis and Results of the Arterial Switch Operation for Transposition of the Great Arteries with Intact Ventricular Septum)

  • 김용진;오삼세;이정렬;노준량;서경필
    • Journal of Chest Surgery
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    • 제32권2호
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    • pp.108-118
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    • 1999
  • 배경: 동맥전환술의 위험인자와 장기 성적을 알아보고자 후향적 연구를 시행하였다. 대상 및 방법: 1988년 1월부터 1996년 12월까지 심실중격이 온전한 대혈관전위증으로 인해 동맥전환술을 시행 받은 58명의 환자를 대상으로 동맥전환술에 따른 조기 및 만기성적에 대하여 후향적 평가를 시행하였다. 술전 처치로 36례(62.1%)에서 풍선심방절개술을 시행하였으며, 32례(51.7%)에서 PGE1을 사용하였고, 좌우심실의 압력비가 평균 0.53$\pm$0.11이었던 6례(10.3%)의 환아에서는 먼저 폐동맥밴딩을 시행하였다. 결과: 수술당시의 평균연령은 24$\pm$26일(범위 1-137일)이었고 수술당시 평균체중은 3.5$\pm$0.8 kg(범위 1.8~6.1 kg)였다. 전체 조기사망율은 24.1%(14/58)였으며, 최근 3년간의 조기사망율은 8.3%(2/24)였다. 사망과 관련된 위험인자 분석에서는 수술 시행 년도가 유일한 위험인자로 나타났다(p-value < 0.01). 조기 사망한 14례 중 8례는 급성심근부전으로 사망하였으며 주된 원인은 관상동맥부전이었다. 44명의 술후 생존자들을 대상으로 2개월에서 8년까지 평균 36$\pm$27개월 동안 추적관찰을 시행하였으며, 대혈관과 관상동맥의 문합부위, 심실기능, 반월판막의 폐쇄부전, 심박동 이상 등에 중점을 두고 연속적인 비관혈적 검사 및 술후 5개월과 32개월 사이에 모두 21례의 심도자술을 시행하였다. 만기 사망한 경우는 5례(11.4%)였으며 사망원인은 관상동맥의 만기 협착 1례, 흡인 2례, 만성 종격동염 1례, 진행성 대동맥판막폐쇄부전과 심부전 1례 등이었다. 혈류역학적으로 가장 흔한 이상은 폐동맥상부의 협착이었고, 폐동맥협착과 대동맥협착을 보였던 몇몇 경우에 있어서는 점차 협착정도가 진행하는 경우도 관찰되었으나 이로 인한 재수술은 없었다. 9례에서 대동맥판막폐쇄부전 소견을보였으며 7례에서는 그 정도가 가벼웠으나 2례에서는 중정도의 폐쇄부전을 보였고 다소 진행하는 경우도 있었다. 수술전후로 심근허혈의 증거가 없었던 2례에서 관상동맥의 폐쇄가 확인되었다. 나머지 생존자들은 동성박동과 정상적인 좌심기능을 유지한 채 양호한 경과를 보이고 있으며 생명표법에 근거한 8년 생존률은 68.8%였다. 결론: 심실중격이 온전한 대혈관전위증에서 해부학적 교정술은 우선적인 수술방법으로 여겨지나 추후 지속적인 추적관찰이 필요할 것으로 사료된다.

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인삼패독산의 추출용매에 따른 성분함량 및 효능연구 (Comparative study on efficacies and ingredient contents of different solvent extracts of Insampaedok-san)

  • 임혜선;하혜경;서창섭;진성은;김예지;전우영;유새롬;신인식;김정훈;김성실;신나라;이미영;정수진;김온순;신현규
    • 대한본초학회지
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    • 제27권6호
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    • pp.115-122
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    • 2012
  • Objectives : This study evaluated activities and ingredient contents concerning extracts according to extraction solvents of Insampaedok-san (IS, Renshen bai du-san). Methods : The herbal constituents of IS were extracted with water and 70% ethanol at $100^{\circ}C$ for 2 hr. Using the HPLC system, the six ingredient contents of different solvent extracts of IS were analyzed. The nitric oxide (NO), prostaglandin $E_2$ ($PGE_2$) production and proinflammatory cytokines were measured in RAW264.7 cells stimulated with lipopolysaccharide (LPS). The macrophage-derived chemokine (MDC/CCL22) and regulated on activation normal T-cell expression and secreted (RANTES/CCL5) production were measured in HaCaT and BEAS-2B cells stimulated tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$) and interferon-${\gamma}$ (IFN-${\gamma}$). The activities of glycerol-3-phosphate dehydrogenase (GPDH) and leptin level were measured in 3T3-L1 cells. Results : The calibration curves showed good linearity ($r^2$=1.0000) for different concentration ranges. The contents of liquiritin, naringin, hesperidin, neohesperirin and glycyrrizin in 70% ethanol extracts of IS were relatively higher than that of water extract, however the content of ferulic acid in 70% ethanol and water extract of IS were similar. The extraction solvents of water and 70% ethanol were evaluated inhibitory effect on the production of NO, $PGE_2$, TNF-${\alpha}$ and IL-6 in RAW 264.7 cells. Their extractions were inhibitory effect on production of MDC/CCL22 and RANTES/CCL5 in HaCaT cell and BEAS-2B cell, respectively. In addition, evaluated reduced on GPDH activity and leptin level in 3T3-L1 preadipocyte cell. Conclusions : Our results suggest that IS extracts were inhibitory effects of disease such as inflammation, allergies and obesity.

진교(秦艽)가 항염 효과에 미치는 영향 (Anti-inflammaory effects of the MeOH extract of Gentianae Macrophyllae Radix in vivo)

  • 조희창;정호준;이재근;조미정;지선영
    • 한방안이비인후피부과학회지
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    • 제22권3호
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    • pp.63-70
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    • 2009
  • Objectives : The present study was examined to evaluate the anti-inflammatory effects of the Gentianae Macrophyllae Radix MeOH extracts (GMR) in vivo. Methods : The effects of GMR on anti-inflammation were measured by production of NO, TNF-$\alpha$ (Tumor Necrosis Factor-alpha) and IL-$1{\beta}$ (Interleukin-$1{\beta}$), IL-6 in Raw 264.7 macrophage cells stimulated with LPS. Results : 1. All concentrations of GMR(0.10 mg/ml) had no significant cytotoxicity in Raw 264.7 cell during the entire experimental period. 2. The level of NO and iNOS in culture medium was dramatically increased by LPS application. However, these increases were dose-dependently(0.03 and 0.10 mg/ml) attenuated by treatment with GMR. 3. All concentrations of GMR significantly inhibited the production of IL-$1{\beta}$ in Raw 264.7 macrophage cells stimulated with LPS. Conclusions : These results provide evidences that therapeutic effect of GMR on heat syndrome, especially due to the acute inflammation, are partly due to the reduction of some of inflammatory factors by inhibiting iNOS and COX-2 through the suppression of $p-I{\kappa}B{\alpha}$. Moreover, it suggests that the mechanism of action of GMR comes from the suppression of inflammatory mediators, such as NO, PGE2 and pro-inflammatory cytokines.

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Immunomodulatory Effects of Dioscoreae Rhizome Against Inflammation through Suppressed Production of Cytokines Via Inhibition of the NF-${\kappa}B$ Pathway

  • Kim, Seulah;Shin, Seulmee;Hyun, Bobae;Kong, Hyunseok;Han, Shinha;Lee, Aeri;Lee, Seungjeong;Kim, Kyungjae
    • IMMUNE NETWORK
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    • 제12권5호
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    • pp.181-188
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    • 2012
  • Dioscoreae Rhizome (DR) has been used in traditional medicine to treat numerous diseases and is reported to have anti-diabetes and anti-tumor activities. To identify a bioactive traditional medicine with anti-inflammatory activity of a water extract of DR (EDR), we determined the mRNA and protein levels of proinflammatory cytokines in macrophages through RT-PCR and western blot analysis and performed a FACS analysis for measuring surface molecules. EDR dose-dependently decreased the production of NO and pro-inflammatory cytokines such as IL-$1{\beta}$, IL-6, TNF-${\alpha}$, and $PGE_2$, as well as mRNA levels of iNOS, COX-2, and pro-inflammatory cytokines, as determined by western blot and RT-PCR analysis, respectively. The expression of co-stimulatory molecules such as B7-1 and B7-2 was also reduced by EDR. Furthermore, activation of the nuclear transcription factor, NF-${\kappa}B$, but not that of IL-4 and IL-10, in macrophages was inhibited by EDR. These results show that EDR decreased pro-inflammatory cytokines via inhibition of NF-${\kappa}B$-dependent inflammatory protein level, suggesting that EDR could be a useful immunomodulatory agent for treating immunological diseases.

Therapeutic Effects of Resiniferatoxin Related with Immunological Responses for Intestinal Inflammation in Trichinellosis

  • Munoz-Carrillo, Jose Luis;Munoz-Lopez, Jose Luis;Munoz-Escobedo, Jose Jesus;Maldonado-Tapia, Claudia;Gutierrez-Coronado, Oscar;Contreras-Cordero, Juan Francisco;Moreno-Garcia, Maria Alejandra
    • Parasites, Hosts and Diseases
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    • 제55권6호
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    • pp.587-599
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    • 2017
  • The immune response against Trichinella spiralis at the intestinal level depends on the $CD4^+$ T cells, which can both suppress or promote the inflammatory response through the synthesis of diverse cytokines. During the intestinal phase, the immune response is mixed (Th1/Th2) with the initial predominance of the Th1 response and the subsequent domination of Th2 response, which favor the development of intestinal pathology. In this context, the glucocorticoids (GC) are the pharmacotherapy for the intestinal inflammatory response in trichinellosis. However, its therapeutic use is limited, since studies have shown that treatment with GC suppresses the host immune system, favoring T. spiralis infection. In the search for novel pharmacological strategies that inhibit the Th1 immune response (proinflammatory) and assist the host against T. spiralis infection, recent studies showed that resiniferatoxin (RTX) had anti-inflammatory activity, which decreased the serum levels of IL-12, $INF-{\gamma}$, $IL-1{\beta}$, $TNF-{\alpha}$, NO, and $PGE_2$, as well the number of eosinophils in the blood, associated with decreased intestinal pathology and muscle parasite burden. These researches demonstrate that RTX is capable to inhibit the production of Th1 cytokines, contributing to the defense against T. spiralis infection, which places it as a new potential drug modulator of the immune response.

Phosphorylation of Akt Mediates Anti-Inflammatory Activity of 1-p-Coumaroyl ${\beta}$-D-Glucoside Against Lipopolysaccharide-Induced Inflammation in RAW264.7 Cells

  • Vo, Van Anh;Lee, Jae-Won;Kim, Ji-Young;Park, Jun-Ho;Lee, Hee Jae;Kim, Sung-Soo;Kwon, Yong-Soo;Chun, Wanjoo
    • The Korean Journal of Physiology and Pharmacology
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    • 제18권1호
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    • pp.79-86
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    • 2014
  • Hydroxycinnamic acids have been reported to possess numerous pharmacological activities such as antioxidant, anti-inflammatory, and anti-tumor properties. However, the biological activity of 1-p-coumaroyl ${\beta}$-D-glucoside (CG), a glucose ester derivative of p-coumaric acid, has not been clearly examined. The objective of this study is to elucidate the anti-inflammatory action of CG in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophage cells. In the present study, CG significantly suppressed LPS-induced excessive production of pro-inflammatory mediators such as nitric oxide (NO) and $PGE_2$ and the protein expression of iNOS and COX-2. CG also inhibited LPS-induced secretion of pro-inflammatory cytokines, IL-$1{\beta}$ and TNF-${\alpha}$. In addition, CG significantly suppressed LPS-induced degradation of $I{\kappa}B$. To elucidate the underlying mechanism by which CG exerts its anti-inflammatory action, involvement of various signaling pathways were examined. CG exhibited significantly increased Akt phosphorylation in a concentration-dependent manner, although MAPKs such as Erk, JNK, and p38 appeared not to be involved. Furthermore, inhibition of Akt/PI3K signaling pathway with wortmannin significantly, albeit not completely, abolished CG-induced Akt phosphorylation and anti-inflammatory actions. Taken together, the present study demonstrates that Akt signaling pathway might play a major role in CG-mediated anti-inflammatory activity in LPS-stimulated RAW264.7 macrophage cells.

Anti-Inflammatory and Anti-Superbacterial Activity of Polyphenols Isolated from Black Raspberry

  • Kim, Seong Keun;Kim, Hyuna;Kim, Song Ah;Park, Hee Kuk;Kim, Wonyong
    • The Korean Journal of Physiology and Pharmacology
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    • 제17권1호
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    • pp.73-79
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    • 2013
  • The fruit of the black raspberry (Rubus coreanus Miquel) has been employed in traditional medicine, and recent studies have demonstrated its measureable biological activities. However, the root of the black raspberry has not been studied. Therefore, in this study, we evaluated the anti-inflammatory and antibacterial properties of the root and unripe fruit polyphenols of the black raspberry. Both polyphenols proved to have anti-inflammatory activity as evidenced by the decreased nitric oxide (NO), cytokines (IL-$1{\beta}$, IL-6, and IL-10) and prostaglandin E2 ($PGE_2$) levels in lipopolysaccharide (LPS)-stimulated RAW 264.7 murine macrophages. However, root polyphenols showed stronger anti-inflammatory activity than fruit polyphenols. LPS-induced mRNA and protein expressions of inducible NO synthase (iNOS) and cyclooxygenase (COX)-2 levels were also decreased, confirming the anti-inflammatory activity. Root polyphenols showed lethal activity against methicillin-resistant Staphy-lococcus aureus (MRSA), carbapenem-resistant Acinetobacter baumannii (CRAB), and Bacillus anthracis. In contrast, the black raspberry fruit did not demonstrate these properties. These data provide the first demonstration that black raspberry root has potential anti-inflammatory and anti-superbacterial properties that can be exploited as alternatives for use in the food and cosmetic industries and/or as pharmaceuticals.

The Root from Heracleum moellendorffii Exerts Anti-Inflammatory Activity via the Inhibition of NF-κB and MAPK Signaling Activation in LPS-Stimulated RAW264.7 Cells

  • Park, Su Bin;Kim, Ha Na;Kim, Jeong Dong;Park, Gwang Hun;Son, Ho-Jun;Eo, Hyun Ji;Song, Jeong Ho;Jeong, Hyung Jin;Jeong, Jin Boo
    • 한국자원식물학회:학술대회논문집
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    • 한국자원식물학회 2018년도 추계학술대회
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    • pp.96-96
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    • 2018
  • Although the roots of Heracleum moellendorffii (HM-R) have been long treated for inflammatory human diseases, scientific evidence for the anti-inflammatory activity of HM-R is not sufficient. In this study, we investigated anti-inflammatory activity and mechanism of action of HM-R in LPS-stimulated RAW264.7 cells. HM-R blocked LPS-induced NO and PGE2 production, but not HM-L. HM-R inhibited LPS-induced overexpression of iNOS, COX-2, $IL-1{\beta}$ and IL-6 in RAW264.7 cells. HM-R inhibited LPS-induced $NF-{\kappa}B$ signaling activation through blocking $I{\kappa}B-{\alpha}$ degradation and p65 nuclear accumulation. In addition, HM-R inhibited MAPK signaling activation by attenuating the phosphorylation of ERK1/2, p38 and JNK. Furthermore, HM-R inhibited attenuated LPS-mediated overexpression of the osteoclast-specific factors such as NFATc1, cathepsin K, MCP-1 and TRAP. These results indicate that HM-R may exert anti-inflammatory activity by inhibiting $NF-{\kappa}B$ and MAPK signaling activation. From these findings, HM-R has potential to be a candidate for the development of chemopreventive or therapeutic agents for the inflammation and inflammatory diseases.

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Effect of Silsosangami on Platelet Aggregation, Hemolysis and Inducible Nitric Oxide Synthase

  • Kim Chang Hwan;Kim Han Geu;Ahan Jong Chan;Lee Soo Kyung;Chung Tae Wook;Kim June Ki;Choi Dall Yeong;Kim Cherl Ho;Park Won Hwan
    • 동의생리병리학회지
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    • 제16권6호
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    • pp.1277-1283
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    • 2002
  • Silsosangami(SSG) is a formula of treaditional korean medicines as an effective biological response modifier for augmenting host homeostasis of body circulation. Little is known of the biological activity of SSG and previous studies have focused mainly on their anti-thrombosis8). There is a growing interest in the pharmacological potential of the SSG due to the recent finding by our group that SSG and each constituent herbs of SSG were able to inhibit NO and prostaglandin E2 (PGE2) synthesis in murine peritoneal macrophages stimulated with bacterial endotoxin. In this paper, the effects of SSG on platelet aggregation and hemolysis in human blood were studied. SSG provoked remarkable inhibiting effect on platelet aggregation, and APTT were sensitive to the presence of this SSG. Using an in vitro system, APTT was delayed with the increment of the concentrations of these seven compounds. These results suggested that SSG might be used as a novel antithrombotic therapeutic agents in post-myocardial infarction. A SSG reduced NO production in mouse peritoneal macrophages stimulated with lipopolysaccharide, without the influence on the activity of iNOS being observed. SSG significantly reduced mouse paw edema induced by carrageenan. Western blot analysis showed that SSG reduced the expression of iNOS. The results indicate that SSG exerts anti-inflammatory effects related to the inhibition of NO production, which could be due to a decreased expression of iNOS.

은갑방가감(銀甲方加減)이 혈전병태유관인자(血栓病態有關因子)와 산화적손상(酸化的損傷)에 미치는 영향(影響) (The Effect of Eungapbang-gagam on Thrombus Disease Related Factors and Oxidative Stress)

  • 이수정;김송백
    • 대한한방부인과학회지
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    • 제21권2호
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    • pp.125-151
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    • 2008
  • Purpose: In this study, we investigated the anti-thrombotic efficacy of "Eungapbang-gagam(EGB)" currently used in clinical treatment of PID Methods: We studied inhibitory effect of platelet cohesion, suppressive effect of GPIIb/IIIa activity, inhibitory effect of $TXB_2$ and $PGE_2$ biosynthesis, and oxidative damage suppression effects of "EGB" in vitro. Also, suppression of pulmonary embolism and changes of related factors in dextran coagulation condition model were studied in vivo. Results: In this study, EGB extract showed dose-dependent inhibitory effect on platelet coagulation induced by ADP, epinephrine, collagen, arachidonic acid. Also it showed dose-dependent inhibition effect on GPIIb/IIIa activities compared to the control group. EGB extract significantly suppressed the decrease of speed of bloodstream caused by blood coagulation in dextran coagulation condition model and increased the number of platelets and amount of fibrinogen, and decreased the APTT in dextran coagulation condition model compared to the control group. EGB extract showed dose-dependent decrease of oxidative damages caused by DPPH and superoxide anion radicals, whereas dose-dependent increase of superoxide dismutase like activity was observed compared to the control group. Conclusion: We confirmed the anti-thrombosis and anti-oxidative efficacy of "Eungapbang-gagam". Various clinical applications of "Eungapbang-gagam" as well as use of data for the construction of EBM is anticipated.

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