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    Wyświetlanie 1-2 z 2
    Tytuł:
    Relationship between the induction of inflammatory processes and infectious diseases in patients with ischemic stroke
    Autorzy:
    Cieślak, Marek
    Wojtczak, Andrzej
    Cieślak, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/1039529.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    cytokines
    interleukin-1 receptor
    ischemic stroke
    Opis:
    Pro-inflammatory cytokines participate in the induction of ischemic stroke. So far, their participation in the cerebral ischemia was proven for the tumor necrosis factor TNF-α, interleukin-1 (IL-1), and interleukin-6 (IL-6). The release of the pro-inflammatory cytokines into the extracellular space causes the enlargement of the brain damage region, and consequently increases the neurological deficit and negatively affects the survival rate prognoses. That is confirmed by the increased concentration of pro-inflammatory cytokines in blood and the cerebrospinal fluid of patients with brain stroke, as well as by the research on the induced/experimental cerebral ischemia in animals. The pro-inflammatory cytokines participate in the migration of the reactive T lymphocytes to the regions of brain ischemia where they enhance the nerve tissue damage by down-regulation of microcirculation, induce the pro-thrombotic processes and release other neurotoxic cytokines. Also, in the early stage of cerebral ischemia, cytokines activate the axis hypothalamus-pituitary gland-adrenal cortex and increase the cortisol concentration in blood, what results in the decreased resistance to infectious diseases. Administration of the inhibitor of the interleukin-1 receptor (IL-1Ra) inhibits the inflammatory processes in the region of brain ischemia, and subsequently improves the prognosis for the size of the neurological deficit and the survival rate, as well as resistance to infectious diseases.
    Źródło:
    Acta Biochimica Polonica; 2013, 60, 3; 345-349
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Role of pro-inflammatory cytokines of pancreatic islets and prospects of elaboration of new methods for the diabetes treatment
    Autorzy:
    Cieślak, Marek
    Wojtczak, Andrzej
    Cieślak, Michał
    Powiązania:
    https://bibliotekanauki.pl/articles/1039121.pdf
    Data publikacji:
    2015
    Wydawca:
    Polskie Towarzystwo Biochemiczne
    Tematy:
    interleukin 1β
    interleukin-6
    tumor necrosis factor-α
    pancreatic derived factor
    insulin resistance
    Opis:
    Several relations between cytokines and pathogenesis of diabetes are reviewed. In type 1 and type 2 diabetes an increased synthesis is observed and as well as the release of pro-inflammatory cytokines, which cause the damage of pancreatic islet cells and, in type 2 diabetes, the development of the insulin resistance. That process results in the disturbed balance between pro-inflammatory and protective cytokines. Pro-inflammatory cytokines such as interleukin 1β (IL-1β), tumor necrosis factor-α (TNF-α) and interferon-γ (IFN-γ), as well as recently discovered pancreatic derived factor PANDER are involved in the apoptosis of pancreatic β-cells. Inside β-cells, cytokines activate different metabolic pathways leading to the cell death. IL-1β activates the mitogen-activated protein kinases (MAPK), affects the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and activates the inducible nitric oxide synthase (iNOS). TNF-α and IFN-γ in a synergic way activate calcium channels, what leads to the mitochondrial dysfunction and activation of caspases. Neutralization of pro-inflammatory cytokines, especially interleukin 1β with the IL-1 receptor antagonist (IL-1Ra) and/or IL-1β antibodies might cause the extinction of the inflammatory process of pancreatic islets, and consequently normalize concentration of glucose in blood and decrease the insulin resistance. In type 1 diabetes interleukin-6 participates in regulation of balance between Th17 and regulatory T cells. In type 2 diabetes and obesity, the long-duration increase of IL-6 concentration in blood above 5 pg/ml leads to the chronic and permanent increase in expression of SOCS3, contributing to the increase in the insulin resistance in cells of the skeletal muscles, liver and adipose tissue.
    Źródło:
    Acta Biochimica Polonica; 2015, 62, 1; 15-21
    0001-527X
    Pojawia się w:
    Acta Biochimica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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