Home / Journals / ECN / Vol.18, No.4, 2007
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  • Open AccessOpen Access

    ARTICLE

    The expression of interleukin-15 and interleukin-18 by human term placenta is not affected by lipopolysaccharide

    Alaa Amash1,4, Mahmoud Huleihel1,4, Sheiner Eyal2,4, Ester Maor3,4, Lesly Myatt5, Gershon Holcberg2,4
    European Cytokine Network, Vol.18, No.4, pp. 1-8, 2007, DOI:10.1684/ecn.2007.0102
    Abstract The aim of the study was to examine the stimulatory effect of the inflammatory agent lipopolysac-charide (LPS) on the capacity of human term placenta to secrete interleukin (IL)-15 and IL-18. Isolated placental cotyledons from normal human term deliveries were dually perfused for ten hours with perfusion medium alone (n = 5) or with perfusion medium containing LPS (1 lg/kg perfused placental tissue) (n = 5). Placental tissue was collected from three different placental compartments (amnion, chorion, and placenta) before and after perfusion. The placental tissues collected were homogenized and examined for IL-15 and IL-18 by… More >

  • Open AccessOpen Access

    ARTICLE

    Circulating proangiogenic molecules PIGF, SDF-1 and sVCAM-1 in patients with systemic lupus erythematosus

    Ewa Robak1, Lilianna Kulczycka1, Anna Sysa-JVdrzejowska1, Agnieszka Wierzbowska2, Tadeusz Robak2
    European Cytokine Network, Vol.18, No.4, pp. 9-15, 2007, DOI:10.1684/ecn.2007.0103
    Abstract Serum concentrations of three angiogenic cytokines: vascular endothelial growth factor (VEGF), stromal cell-derived factor-1 (SDF-1) and placental growth factor (PIGF) and soluble vascular cell adhesion molecule 1 (sVCAM-1), were investigated in the serum of 61 patients with systemic lupus erythematosus (SLE) and 20 healthy subjects. The possible association between serum levels of these proteins and SLE activity, as well as correlation between the concentrations of cytokines were also analysed. All of these factors were detectable in all SLE patients and the healthy control group. The median concentration of VEGF was higher in active SLE (386… More >

  • Open AccessOpen Access

    ARTICLE

    Association analysis of IL1 gene polymorphisms in autoimmune thyroid diseases in the Tunisian population

    Maha Kammoun-Krichen1, Noura Bougacha-Elleuch1, Kaouthar Makni1, Maha Rebai1, Ahmed Rebai2, Mouna Mnif3, Mohamed Abid3, Joumaa Jouida4, Hammadi Ayadi1
    European Cytokine Network, Vol.18, No.4, pp. 17-21, 2007, DOI:10.1684/ecn.2007.0104
    Abstract Autoimmune thyroid diseases (AITDs), including Graves’ disease (GD) and autoimmune hypothy-roidism (AH), are inherited as complex traits. Among the genes contributing to AITD susceptibility are genes of the IL-1 family. IL-1 regulates T and B lymphocyte maturation, including the induction of several cytokines and cytokine receptors. Therefore, disturbances of this balance may not only play a role in inflammation but also in the pathogenesis of autoimmunity. In order to investigate genetic association of IL-1 gene polymorphisms with AITDs, we performed both a familial study in a large Tunisian pedigree with high prevalence of AITDs (64… More >

  • Open AccessOpen Access

    ARTICLE

    TNF triggers mitogenic signals in NIH 3T3 cells, but induces apoptosis when the cell cycle is blocked

    René Rodríguez1, Victor M. Campa1, José Riera1, M. Teresa Carcedo1, David S. Ucker2, Sofía Ramos1, Pedro S. Lazo1
    European Cytokine Network, Vol.18, No.4, pp. 23-31, 2007, DOI:10.1684/ecn.2007.0106
    Abstract Tumor necrosis factor (TNF) is known to be a mediator of a variety of cellular responses including apoptotic death or proliferation depending on the target cell and the environmental conditions. We show here that TNF triggers both growth and death signals in NIH3T3 murine fibroblasts. In cells arrested in G0 by serum deprivation, TNF drives approximately 50% of them to enter the cell cycle, but kills the cells that remain quiescent. The presence of serum prevents toxic effects of TNF, suggesting that TNF can cooperate to drive cells through the cell cycle, but is unable… More >

  • Open AccessOpen Access

    ARTICLE

    Ibuprofen does not affect levels of tumor necrosis factor-a and soluble tumor necrosis factor receptor types I and II in Gabonese children with uncomplicated Plasmodium falciparum malaria

    Pierre-Blaise Matsiegui1,2, Michel A. Missinou1,2, Saadou Issifou1, Magdalena Necek1,3, Elie Mavoungou1,2
    European Cytokine Network, Vol.18, No.4, pp. 23-27, 2007, DOI:10.1684/ecn.2007.0105
    Abstract We assessed the ability of ibuprofen to modulate tumor necrosis factor-α (TNF-α), soluble tumor necrosis factor receptor type I (sTNFR-I), and soluble tumor necrosis factor receptor type II (sTNFR-II) responses during the treatment of fever in uncomplicated Plasmodium falciparum malaria, in a placebo-controlled, randomized, double-blind study of 50 pediatric patients in Lambaréné, Gabon. Treatment of the malaria involved the patients receiving intravenous quinine (12 mg/kg of quinine dihydrochloride every 12 h for 72 h) followed by a single dose of oral sulfadoxine/pyrimethamine (25 mg and 1.25 mg/kg). Fever was treated by mechanical treatment plus either ibuprofen… More >

  • Open AccessOpen Access

    ARTICLE

    T-helper 1 and 2 serum cytokine assay in chronic opioid addicts

    Atosa Azarang1, Majid Mahmoodi1,2, Said Rajabalian1, Majid Asadi Shekari1, Jafar Nosratabadi1, Nima Rezaei3
    European Cytokine Network, Vol.18, No.4, pp. 33-37, 2007, DOI:10.1684/ecn.2007.0107
    Abstract There are a few studies with conflicting results on the effects of opioids on the functioning of immune system. This study was performed to investigate the in vitro production of interferon-c and interleukin-10 after antigenic stimulation of cells using whole blood from opioid addicts.Blood samples were taken from 20 chronically opioid-addicted persons, who voluntarily enrolled for detoxification (10 opium and 10 heroin addicts). Blood samples were also taken from 10 healthy individuals with no history of drug abuse as the control. Cell culture was performed in a whole blood culture assay. Diluted blood samples were… More >

  • Open AccessOpen Access

    ARTICLE

    Hypolipoproteinemia and hyperinflammatory cytokines in serum of severe and moderate traumatic brain injury (TBI) patients

    Kyriaki Venetsanou1, Konstantinos Vlachos2, Athanassios Moles1, Gerassimos Fragakis2, George Fildissis1, George Baltopoulos1
    European Cytokine Network, Vol.18, No.4, pp. 39-42, 2007, DOI:10.1684/ecn.2007.0112
    Abstract Traumatic brain injury (TBI) acts as an inducer of the inflammatory reaction expressed by the release of pro-inflammatory cytokines [interleukin-1b (IL-1b), interleukin-6 (IL-6) and interleukin-8 (IL-8)], and causes metabolic alterations in the early, post-traumatic state, either in the brain or/and the systemic circulation. The metabolic changes involve carbohydrates, proteins and lipids. We focused on the serum lipid profile, the impact of trauma on lipoproteins, and their subsequent effects, on inflammation. We investigated the role of cytokines and serum lipids, in patient outcome, reviewing 30-day mortality and the Glasgow Coma Scale (GCS). A total of 75… More >

  • Open AccessOpen Access

    ARTICLE

    TNF triggers mitogenic signals in NIH 3T3 cells but induces apoptosis when the cell cycle is blocked

    René Rodríguez1, Victor M. Campa1, José Riera1, M. Teresa Carcedo1, David S. Ucker2, Sofía Ramos1, Pedro S. Lazo1
    European Cytokine Network, Vol.18, No.4, pp. 172-180, 2007, DOI:10.1684/ecn.2007.0106
    Abstract Tumor necrosis factor (TNF) is known to be a mediator of a variety of cellular responses including apoptotic death or proliferation depending on the target cell and the environmental conditions. We show here that TNF triggers both growth and death signals in NIH 3T3 murine fibroblasts. In cells arrested in G0 by serum deprivation, TNF drives approximately 50% of them to enter the cell cycle, but kills the cells that remain quiescent. The presence of serum prevents toxic effects of TNF, suggesting that TNF can cooperate to drive cells through the cell cycle, but is unable… More >

  • Open AccessOpen Access

    ARTICLE

    Circulating proangiogenic molecules PIGF, SDF-1 and sVCAM-1 in patients with systemic lupus erythematosus

    Ewa Robak1, Lilianna Kulczycka1, Anna Sysa-JVdrzejowska1, Agnieszka Wierzbowska2, Tadeusz Robak2
    European Cytokine Network, Vol.18, No.4, pp. 181-187, 2007, DOI:10.1684/ecn.2007.0103
    Abstract Serum concentrations of three angiogenic cytokines: vascular endothelial growth factor (VEGF), stromal cell-derived factor-1 (SDF-1) and placental growth factor (PIGF) and soluble vascular cell adhesion molecule 1 (sVCAM-1), were investigated in the serum of 61 patients with systemic lupus erythematosus (SLE) and 20 healthy subjects. The possible association between serum levels of these proteins and SLE activity, as well as correlation between the concentrations of cytokines were also analysed. All of these factors were detectable in all SLE patients and the healthy control group. The median concentration of VEGF was higher in active SLE (386… More >

  • Open AccessOpen Access

    ARTICLE

    The expression of interleukin-15 and interleukin-18 by human term placenta is not affected by lipopolysaccharide

    Alaa Amash1,4,*, Mahmoud Huleihel1,4,*, Sheiner Eyal2,4, Ester Maor3,4, Leslie Myatt5, Gershon Holcberg2,4,*
    European Cytokine Network, Vol.18, No.4, pp. 188-194, 2007, DOI:10.1684/ecn.2007.0102
    Abstract The aim of the study was to examine the stimulatory effect of the inflammatory agent lipopolysac-charide (LPS) on the capacity of human term placenta to secrete interleukin (IL)-15 and IL-18. Isolated placental cotyledons from normal human term deliveries were dually perfused for ten hours with perfusion medium alone (n = 5) or with perfusion medium containing LPS (1 lg/kg perfused placental tissue) (n = 5). Placental tissue was collected from three different placental compartments (amnion, chorion, and placenta) before and after perfusion. The placental tissues collected were homogenized and examined for IL-15 and IL-18 by… More >

  • Open AccessOpen Access

    ARTICLE

    Association analysis of interleukin-1 gene polymorphisms in autoimmune thyroid diseases in the Tunisian population

    Maha Kammoun-Krichen1, Noura Bougacha-Elleuch1, Kaouthar Makni1, Maha Rebai3, Sylvie Peraldi-Roux2, Ahmed Rebai3, Mouna Mnif4, Mohamed Abid4, Joumaa Jouida5, Hammadi Ayadi1
    European Cytokine Network, Vol.18, No.4, pp. 196-200, 2007, DOI:10.1684/ecn.2007.0104
    Abstract Autoimmune thyroid diseases (AITDs), including Graves’ disease (GD) and autoimmune hypothy-roidism (AH), are inherited as complex traits. Among the genes contributing to AITDs susceptibility are genes of the IL-1 family. IL-1 regulates T and B lymphocyte maturation, including the induction of several cytokines and cytokine receptors. Therefore, disturbances of this balance may not only play a role in inflammation but also in the pathogenesis of autoimmunity. In order to investigate genetic association of IL-1 gene polymorphisms with AITDs, we performed both a familial study in a large Tunisian pedigree with high prevalence of AITDs (64… More >

  • Open AccessOpen Access

    ARTICLE

    Ibuprofen does not affect levels of tumor necrosis factor α and soluble tumor necrosis factor receptor types I and II in Gabonese children with uncomplicated Plasmodium falciparum malaria

    Pierre-Blaise Matsiegui1,2, Michel A. Missinou1,2, Saadou Issifou1, Magdalena Necek1,3, Elie Mavoungou1,2
    European Cytokine Network, Vol.18, No.4, pp. 201-205, 2007, DOI:10.1684/ecn.2007.0105
    Abstract We assessed the ability of ibuprofen to modulate tumor necrosis factor α (TNF-α), soluble tumor necrosis factor receptor type I (sTNFR-I), and soluble tumor necrosis factor receptor type II (sTNFR-II) responses during the treatment of fever in uncomplicated Plasmodium falciparum malaria, in a placebo-controlled, randomized, double-blind study of 50 pediatric patients in Lambaréné, Gabon. Treatment of the malaria involved the patients receiving intravenous quinine (12 mg/kg of quinine dihydrochloride every 12 h for 72 h) followed by a single dose of oral sulfadoxine/pyrimethamine (25 mg and 1.25 mg/kg). Fever was treated by mechanical treatment plus either… More >

  • Open AccessOpen Access

    ARTICLE

    Hypolipoproteinemia and hyperinflammatory cytokines in serum of severe and moderate traumatic brain injury (TBI) patients

    Kyriaki Venetsanou1, Konstantinos Vlachos2, Athanassios Moles1, Gerassimos Fragakis2, George Fildissis1, George Baltopoulos1
    European Cytokine Network, Vol.18, No.4, pp. 206-209, 2007, DOI:10.1684/ecn.2007.0112
    Abstract Traumatic brain injury (TBI) acts as an inducer of the inflammatory reaction expressed by the release of pro-inflammatory cytokines (interleukin-1b [IL-1b], interleukin-6 [IL-6] and interleukin-8 [IL-8]), and causes metabolic alterations in the early, post-traumatic state, either in the brain or/and the systemic circulation. The metabolic changes involve carbohydrates, proteins and lipids. We focused on the serum lipid profile, the impact of trauma on lipoproteins, and their subsequent effects, on inflammation. We investigated the role of cytokines and serum lipids, in patient outcome, reviewing 30-day mortality and the Glasgow Coma Scale (GCS). A total of 75… More >

  • Open AccessOpen Access

    ARTICLE

    T-helper 1 and 2 serum cytokine assay in chronic opioid addicts

    Atosa Azarang1, Majid Mahmoodi1,2, Said Rajabalian1, Majid Asadi Shekari1, Jafar Nosratabadi1, Nima Rezaei3
    European Cytokine Network, Vol.18, No.4, pp. 210-214, 2007, DOI:10.1684/ecn.2007.0107
    Abstract There are a few studies with conflicting results on the effects of opioids on the functioning of immune system. This study was performed to investigate the in vitro production of interferon-c and interleukin-10 after antigenic stimulation of cells using whole blood from opioid addicts. Blood samples were taken from 20 chronically opioid-addicted persons, who voluntarily enrolled for detoxification (10 opium and 10 heroin addicts). Blood samples were also taken from 10 healthy individuals with no history of drug abuse as the control. Cell culture was performed in a whole blood culture assay. Diluted blood samples… More >

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