Heregulin-induced epigenetic regulation of the utrophin-A promoter.
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Heregulin-induced epigenetic regulation of the utrophin-A promoter. / Basu, Utpal; Gyrd-Hansen, Mads; Baby, Santhosh M; Lozynska, Olga; Krag, Thomas O B; Jensen, Claus J; Frödin, Morten; Khurana, Tejvir S.
In: FEBS Letters, Vol. 581, No. 22, 2007, p. 4153-8.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Heregulin-induced epigenetic regulation of the utrophin-A promoter.
AU - Basu, Utpal
AU - Gyrd-Hansen, Mads
AU - Baby, Santhosh M
AU - Lozynska, Olga
AU - Krag, Thomas O B
AU - Jensen, Claus J
AU - Frödin, Morten
AU - Khurana, Tejvir S
N1 - Keywords: Animals; Cells, Cultured; Chromatin Assembly and Disassembly; Enzyme Activation; Epigenesis, Genetic; Histones; Mice; Models, Genetic; Muscle Cells; Neuregulin-1; Phosphorylation; Promoter Regions (Genetics); Ribosomal Protein S6 Kinases, 90-kDa; Utrophin
PY - 2007
Y1 - 2007
N2 - Utrophin is the autosomal homolog of dystrophin, the product of the Duchenne's muscular dystrophy (DMD) locus. Utrophin is of therapeutic interest since its over-expression can compensate dystrophin's absence. Utrophin is enriched at neuromuscular junctions due to heregulin-mediated utrophin-A promoter activation. We demonstrate that heregulin activated MSK1/2 and phosphorylated histone H3 at serine 10 in cultured C2C12 muscle cells, in an ERK-dependent manner. MSK1/2 inhibition suppressed heregulin-mediated utrophin-A activation. MSK1 over-expression potentiated heregulin-mediated utrophin-A activation and chromatin remodeling at the utrophin-A promoter. These results identify MSK1/2 as key effectors modulating utrophin-A expression as well as identify novel targets for DMD therapy.
AB - Utrophin is the autosomal homolog of dystrophin, the product of the Duchenne's muscular dystrophy (DMD) locus. Utrophin is of therapeutic interest since its over-expression can compensate dystrophin's absence. Utrophin is enriched at neuromuscular junctions due to heregulin-mediated utrophin-A promoter activation. We demonstrate that heregulin activated MSK1/2 and phosphorylated histone H3 at serine 10 in cultured C2C12 muscle cells, in an ERK-dependent manner. MSK1/2 inhibition suppressed heregulin-mediated utrophin-A activation. MSK1 over-expression potentiated heregulin-mediated utrophin-A activation and chromatin remodeling at the utrophin-A promoter. These results identify MSK1/2 as key effectors modulating utrophin-A expression as well as identify novel targets for DMD therapy.
U2 - 10.1016/j.febslet.2007.07.021
DO - 10.1016/j.febslet.2007.07.021
M3 - Journal article
C2 - 17692845
VL - 581
SP - 4153
EP - 4158
JO - F E B S Letters
JF - F E B S Letters
SN - 0014-5793
IS - 22
ER -
ID: 4076009