Distinct functions of junD in cardiac hypertrophy and heart failure
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Distinct functions of junD in cardiac hypertrophy and heart failure. / Ricci, Romeo; Eriksson, Urs; Oudit, Gavin Y; Eferl, Robert; Akhmedov, Alexander; Sumara, Izabela; Sumara, Grzegorz; Kassiri, Zamaneh; David, Jean-Pierre; Bakiri, Latifa; Sasse, Bernd; Idarraga, Maria-Helena; Rath, Martina; Kurz, David; Theussl, Hans-Christian; Perriard, Jean-Claude; Backx, Peter; Penninger, Josef M; Wagner, Erwin F.
In: GENE DEV, Vol. 19, No. 2, 15.01.2005, p. 208-13.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Distinct functions of junD in cardiac hypertrophy and heart failure
AU - Ricci, Romeo
AU - Eriksson, Urs
AU - Oudit, Gavin Y
AU - Eferl, Robert
AU - Akhmedov, Alexander
AU - Sumara, Izabela
AU - Sumara, Grzegorz
AU - Kassiri, Zamaneh
AU - David, Jean-Pierre
AU - Bakiri, Latifa
AU - Sasse, Bernd
AU - Idarraga, Maria-Helena
AU - Rath, Martina
AU - Kurz, David
AU - Theussl, Hans-Christian
AU - Perriard, Jean-Claude
AU - Backx, Peter
AU - Penninger, Josef M
AU - Wagner, Erwin F
PY - 2005/1/15
Y1 - 2005/1/15
N2 - Cardiac hypertrophic stimuli induce both adaptive and maladaptive growth response pathways in heart. Here we show that mice lacking junD develop less adaptive hypertrophy in heart after mechanical pressure overload, while cardiomyocyte-specific expression of junD in mice results in spontaneous ventricular dilation and decreased contractility. In contrast, fra-1 conditional knock-out mice have a normal hypertrophic response, whereas hearts from fra-1 transgenic mice decompensate prematurely. Moreover, fra-1 transgenic mice simultaneously lacking junD reveal a spontaneous dilated cardiomyopathy associated with increased cardiomyocyte apoptosis and a primary mitochondrial defect. These data suggest that junD promotes both adaptive-protective and maladaptive hypertrophy in heart, depending on its expression levels.
AB - Cardiac hypertrophic stimuli induce both adaptive and maladaptive growth response pathways in heart. Here we show that mice lacking junD develop less adaptive hypertrophy in heart after mechanical pressure overload, while cardiomyocyte-specific expression of junD in mice results in spontaneous ventricular dilation and decreased contractility. In contrast, fra-1 conditional knock-out mice have a normal hypertrophic response, whereas hearts from fra-1 transgenic mice decompensate prematurely. Moreover, fra-1 transgenic mice simultaneously lacking junD reveal a spontaneous dilated cardiomyopathy associated with increased cardiomyocyte apoptosis and a primary mitochondrial defect. These data suggest that junD promotes both adaptive-protective and maladaptive hypertrophy in heart, depending on its expression levels.
KW - Animals
KW - Cardiomyopathy, Dilated
KW - Gene Expression Regulation
KW - Heart Failure
KW - Mice
KW - Mice, Knockout
KW - Myocardium
KW - Myocytes, Cardiac
KW - Proto-Oncogene Proteins c-fos
KW - Proto-Oncogene Proteins c-jun
U2 - 10.1101/gad.327005
DO - 10.1101/gad.327005
M3 - SCORING: Journal article
C2 - 15655111
VL - 19
SP - 208
EP - 213
JO - GENE DEV
JF - GENE DEV
SN - 0890-9369
IS - 2
ER -