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Signalling mechanisms involved in the inhibition of gap-junctional intercellular communication by cyanobacterial extracts

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F10%3A00048814" target="_blank" >RIV/00216224:14310/10:00048814 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Signalling mechanisms involved in the inhibition of gap-junctional intercellular communication by cyanobacterial extracts

  • Original language description

    We investigated effects of various cyanobacterial extracts and pure cyanotoxin microcystin-LR on the inhibition of gap-junctional intercellular communication (GJIC) along with activations of mitogen-activated protein kinases (MAPKs) in normal rat liver stem-like WB-F344 cell line. Modulation of both parameters is an important in vitro biomarker of tumor promotional potencies. Pure microcystin did not inhibit GJIC or activate MAPKs, but complex extracts of water blooms significantly inhibited GJIC and activated MAPK, independent from the content of microcystin. The most pronounced effects were systematically observed in extracts of the cultures of Aphanizomenon flos-aquae as well as in complex water bloom extract dominated by the same species, which does not produce microcystin. Microcystis sp. culture or water bloom had significant but less pronounced effects on both GJIC inhibition and MAPK activation.

  • Czech name

  • Czech description

Classification

  • Type

    O - Miscellaneous

  • CEP classification

    DN - Environmental impact on health

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA524%2F08%2F0496" target="_blank" >GA524/08/0496: Tumor promotional mechanisms of cyanobacterial metabolites</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2010

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů