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    Wyświetlanie 1-3 z 3
    Tytuł:
    Tissue remodelling in chronic rhinosinusitis – review of literature
    Autorzy:
    Radajewski, Kamil
    Wierzchowska, Małgorzata
    Grzanka, Dariusz
    Antosik, Paulina
    Zdrenka, Marek
    Burduk, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/1397806.pdf
    Data publikacji:
    2019
    Wydawca:
    Index Copernicus International
    Tematy:
    chronic rhinosinusitis
    nasal polyps
    tissue remodeling
    Opis:
    CRS is a process involving a number of adverse changes in the mucosa of the paranasal sinuses and nasal polyps, e.g. increased fibroblast proliferation, angiogenesis, increased formation of fibrous tissue (subepithelial fibrosis) and tissue destruction. There are biomarkers whose levels can be increased in chronic inflammation of the paranasal sinuses: peripheral blood eosinophilia, IgE immunoglobulin, cytokines – IL-4, IL-5, IL-13, IL-25, IL-33, periostin, P-glycoprotein, CXCL-12, CXCL-13, INF-Υ, TNFα, TGFβ1, albumins, eotaxin. These biomarkers are not pathognomonic for CRS. The concentration of biomarkers is also increased in bronchial asthma and atopic dermatitis. The TGFβ, in particular the β1 subunit, was identified as the main factor involved in the remodelling of tissue stroma. In conjunction with continuous improvement of tissue testing methods, it is advisable to search for new factors that will more accurately allow the assessment of tissue remodelling in the chronic processes of paranasal sinuses.
    Źródło:
    Polish Journal of Otolaryngology; 2019, 73, 5; 1-4
    0030-6657
    2300-8423
    Pojawia się w:
    Polish Journal of Otolaryngology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The influence of heavy physical effort on proteolytic adaptations in skeletal and heart muscle and aorta in rats
    Autorzy:
    Gilbert-Matusiak, A.
    Wyczalkowska-Tomasik, A.
    Zendzian-Piotrowska, M.
    Czrkowska-Paczek, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2081959.pdf
    Data publikacji:
    2018
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    physical effort
    proteolytic enzymes
    tissue remodeling
    Opis:
    Physical effort can elicit differential adaptive changes in the tissues of trained versus untrained rats. Proteolytic activity in the extracellular matrix could be engaged in such adaptation due to its influence on the elasticity of tissues. The effects were investigated of a single physical effort on the activity of elastase, cathepsin K, and plasmin in the skeletal muscles, heart muscles, and aortas of untrained (UT, n=30) and trained (T, n=30) rats. T rats underwent 6 weeks of endurance training. After the last training session, T and UT rats were divided randomly into 3 subgroups. Ten rats from each group (Tpre, n=10) and (UTpre, n=10) were sacrificed. The other 20 rats from each group performed 60 min. of aerobic exercise and were sacrificed immediately post exercise (T0h, n=10; UT0h, n=10) or 3h later (T3h, n=10; UT3h, n=10). Enzyme activity was measured fluorometrically. Cathepsin K and plasmin activity increased in the soleus muscles of UT0h versus UTpre, plasmin activity increased also in UT3h versus UTpre. Elastase, cathepsin K and plasmin activity increased in the heart muscles of T0h and T3h versus Tpre. No aortic differences were observed. Thus, a single bout of physical effort elicited different responses in tissues of T versus UT rats. Increased proteolytic enzyme levels in muscles could influence tissue remodeling. Unchanged aortic cathepsin K levels may help prevent aortic remodeling and neointima formation.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2018, 25, 4; 605-609
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pentraksyna 3 i jej rola w odbudowie tkanek
    Pentraxin 3 and its role in tissue repair
    Autorzy:
    Górka-Dynysiewicz, Joanna
    Zuwała-Jagiełło, Jolanta
    Powiązania:
    https://bibliotekanauki.pl/articles/762591.pdf
    Data publikacji:
    2020-03-15
    Wydawca:
    Polskie Towarzystwo Farmaceutyczne
    Tematy:
    gojenie się ran
    Pentraksyna 3
    przebudowa tkanki
    wound healing
    Pentraxin 3
    tissue remodeling
    Opis:
    Pentraxin 3 (PTX3) is a member of the long pentraxin family. It is an acute-phase protein produced and released in regions of injury. It belongs to humoral innate immune response. It acts as an indicator and regulator of inflammation, in response to the activity of i.a. proinflammatory cytokines (TNF-α, IL-1β), toll-like receptor (TLR) agonists and lipopolysaccharides. It is synthesised in different types of cells, such as: monocytes, macrophages, dendritic cells, endothelial cells, smooth muscle cells, fibroblasts or adipocytes. PTX3 is also produced during neutrophil differentiation and stored in specific granules of mature neutrophils, ready to be released upon microbial recognition. This multimeric glycoprotein is composed of 381 amino acid residues. It contains the N-terminal domain (18-178 amino acid residues) and the C-terminal domain (179-381 amino acid residues), including the 17-amino-acid signal peptide. Its modular structure enables its various bioactivity. PTX3 removes apoptotic cells during the immune response. PTX3 interacts with components of the hemostatic system and the fibrinolytic cascade, under acidic conditions that occur in damaged tissues. As a result of the interaction with plasminogen and fibrin in the wound, pentraxin 3 promotes the process of fibrinolysis and plays a role in the tissue repair process. Together with chemokines, PTX3 organises the leukocyte recruitment in the region of injury, contributing to the formation of the inflammatory microenvironment and the suppression of the inflammatory response. In many animal models, it has been shown that PTX3 plays a complex, non-redundant role in pathogen resistance, inflammation control and tissue repair, acting as an onco-suppressor gene as well. The diverse bioactivity of PTX3 is probably a result of its capability to interact with a wide spectrum of ligands, including complement components, adhesion molecules, growth factors and extracellular matrix components. The involvement of PTX3 in many biological processes determines it as a potentially important biomarker of many diseases. These studies will prove that pentraxin 3 is involved in tissue regeneration. The involvement of PTX3 in tissue injury / tissue remodelling will highlight the relationship and interaction between homeostasis and resistance. This information helps us to understand why PTX3 may become a potential diagnostic marker of the severity of illness related to tissue remodeling, as well as it provides sufficient evidence for using this protein as a therapeutic tool. A better understanding of the complex mechanisms, in which pentraxin 3 is involved, should be sought. ..
    STRESZCZENIE. Pentraksyna 3 (PTX3) jest przedstawicielem długiej rodziny pentraksyn. Jest białkiem ostrej fazy produkowanym i uwalnianym w miejscach uszkodzenia. Należy do humoralnej odporności wrodzonej. Działa jako wskaźnik i regulator zapalenia. PTX3 usuwa komórki apoptotyczne podczas odpowiedzi immunologicznej. PTX3 oddziałuje ze składnikami układu hemostatycznego i kaskadą fibrolityczną, w warunkach kwasowych, które występują w uszkodzonych tkankach. W wyniku reakcji z plazminogenem i fibryną w miejscu zranienia pentraksyna 3 promuje proces fibrynolizy i pełni rolę w procesie naprawy tkanek.
    Źródło:
    Farmacja Polska; 2020, 76, 2; 65-72
    0014-8261
    2544-8552
    Pojawia się w:
    Farmacja Polska
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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