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GLI2

GLI2
Identifiants
AliasesGLI2
IDs externesOMIM: 165230 MGI: 95728 HomoloGene: 12725 GeneCards: GLI2
Wikidata
Voir/Editer HumainVoir/Editer Souris

Le GLI1 est un facteur de transcription à doigt de zinc, dont le gène est le GLI2 situé sur le chromosome 2 humain.

Il appartient à la famille des GLI, intervenant dans l'embryogenèse, en particulier du rachis[5], et la cancérogenèse et régule la voie du Hedgehog[6]. Le GLI2 est activée par le TGF bêta et par la voie du SMAD3[7].

Cible thérapeutique

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Les dérivés arsenicaux (dont la darinaparsine) réduisent l'expression du GLI2[8], et par ce biais, la voie du Hedgehog, ce qui pourrait expliquer leur action antitumorale[9]. Par ce mécanisme, ces traitements pourraient également prévenir la formation d'une fibrose, en particulier au niveau rénal[10].


Notes et références

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  1. a b et c GRCh38: Ensembl release 89: ENSG00000074047 - Ensembl, May 2017
  2. a b et c GRCm38: Ensembl release 89: ENSMUSG00000048402 - Ensembl, May 2017
  3. « Publications PubMed pour l'Homme », sur National Center for Biotechnology Information, U.S. National Library of Medicine
  4. « Publications PubMed pour la Souris », sur National Center for Biotechnology Information, U.S. National Library of Medicine
  5. Mo R, Freer AM, Zinyk DL et al. Specific and redundant functions of Gli2 and Gli3 zinc finger genes in skeletal patterning and development. Development, 1997;124:113–123.
  6. Hui CC, Angers S, Gli proteins in development and disease, Annu Rev Cell Dev Biol, 2011;27:513–537
  7. Dennler S, André J, Alexaki I et al. Induction of sonic hedgehog mediators by transforming growth factor-β: Smad3-dependent activation of Gli2 and Gli1 expression in vitro and in vivo, Cancer Res, 2007;67:6981–6986
  8. Kim J, Lee JJ, Kim J, Gardner D, Beachy PA, Arsenic antagonizes the Hedgehog pathway by preventing ciliary accumulation and reducing stability of the Gli2 transcriptional effector, Proc Natl Acad Sci U S A, 2010;107:13432–13437
  9. Beauchamp EM, Ringer L, Bulut G et al. Arsenic trioxide inhibits human cancer cell growth and tumor development in mice by blocking Hedgehog/GLI pathway, J Clin Invest, 2011;121:148–160
  10. Kramann R, Fleig SV, Schneider RK et al. Pharmacological GLI2 inhibition prevents myofibroblast cell-cycle progression and reduces kidney fibrosis, J Clin Invest, 2015;125:2935-2951
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GLI2
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