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HMGB1 and HMGB2 cell-specifically down-regulate the p53-and p73-dependent sequence-specific transactivation from the human Bax gene promoter.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081707%3A_____%2F02%3A17023021" target="_blank" >RIV/68081707:_____/02:17023021 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    HMGB1 and HMGB2 cell-specifically down-regulate the p53-and p73-dependent sequence-specific transactivation from the human Bax gene promoter.

  • Original language description

    We report that HMGB1 physically interacts with two splicing variants of p73, alpha and beta (pull-down assay), and enhances binding of p73 to specific cognate DNA sites (gel-shift assay). Both HMG box domains of HMGB1, A and B, interact with p73alpha. Association of HMGB1 with p73, like the demonstrated ability of HMGB1 to stimulate p73 binding to different p53-responsive elements, requires the oligomerization region and/or region between DNA-binding domain and oligomerization domain of p73 (residues 312-381). Transient transfections revealed that ectopically expressed or endogenous HMGB1 and HMGB2 (antisense strategy) significantly inhibit in vivo both p73alpha/beta- and p53-dependent transactivation from the Bax gene promoter (and much less from Mdm2and p21(waf1) promoters) in p53-deficient SAOS-2 cells. In contrast, HMGB1 and HGMB2 stimulate p73- or p53-dependent transactivation in p53-deficient H1299 cells, irrespective of the promoter used.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BO - Biophysics

  • OECD FORD branch

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2002

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Biological Chemistry

  • ISSN

    0021-9258

  • e-ISSN

  • Volume of the periodical

    277

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    8

  • Pages from-to

    7157-7164

  • UT code for WoS article

  • EID of the result in the Scopus database