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Trivedi, C.M.* ; Luo, Y.* ; Yin, Z.* ; Zhang, M.* ; Zhu, W.* ; Wang, T.* ; Floß, T. ; Göttlicher, M. ; Noppinger, P.R.* ; Wurst, W. ; Ferrari, VA.* ; Abrams, C.S.* ; Gruber, P.J.* ; Epstein, J.A.*

Hdac2 regulates the cardiac hypertrophic response by modulating Gsk3ß activity.

J. Nat. Med. 13, 324-331 (2007)
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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
In the adult heart, a variety of stresses induce re-expression of a fetal gene program in association with myocyte hypertrophy and heart failure. Here we show that histone deacetylase-2 (Hdac2) regulates expression of many fetal cardiac isoforms. Hdac2 deficiency or chemical histone deacetylase (HDAC) inhibition prevented the re-expression of fetal genes and attenuated cardiac hypertrophy in hearts exposed to hypertrophic stimuli. Resistance to hypertrophy was associated with increased expression of the gene encoding inositol polyphosphate-5-phosphatase f (Inpp5f) resulting in constitutive activation of glycogen synthase kinase 3beta (Gsk3beta) via inactivation of thymoma viral proto-oncogene (Akt) and 3-phosphoinositide-dependent protein kinase-1 (Pdk1). In contrast, Hdac2 transgenic mice had augmented hypertrophy associated with inactivated Gsk3beta. Chemical inhibition of activated Gsk3beta allowed Hdac2-deficient adults to become sensitive to hypertrophic stimulation. These results suggest that Hdac2 is an important molecular target of HDAC inhibitors in the heart and that Hdac2 and Gsk3beta are components of a regulatory pathway providing an attractive therapeutic target for the treatment of cardiac hypertrophy and heart failure.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter histone deacetylase inhibitors; glycogen-synthase kinase-3-beta; heart-failure; cardiomyocyte hypertrophy; homeodomain protein; endometrial cancer; pressure-overload; gene-expression; in-vivo; AKT
Sprache englisch
Veröffentlichungsjahr 2007
HGF-Berichtsjahr 0
ISSN (print) / ISBN 1340-3443
e-ISSN 1861-0293
Zeitschrift Journal of natural medicines
Quellenangaben Band: 13, Heft: 3, Seiten: 324-331 Artikelnummer: , Supplement: ,
Verlag Springer
Verlagsort Tokyo [u.a.]
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Developmental Genetics (IDG)
Institute of Molecular Toxicology and Pharmacology (TOX)
POF Topic(s) 30204 - Cell Programming and Repair
30203 - Molecular Targets and Therapies
Forschungsfeld(er) Genetics and Epidemiology
Enabling and Novel Technologies
PSP-Element(e) G-500500-001
G-505200-001
DOI 10.1038/nm1552
Scopus ID 33847695362
Erfassungsdatum 2007-06-14
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