Abstract:
:Diabetic cardiomyopathy is characterized by an abnormal oxidative metabolism, but the underlying mechanisms remain to be defined. To uncover potential mechanisms involved in the pathophysiology of diabetic cardiomyopathy, we performed a gene expression profiling study in hearts of diabetic db/db mice. Diabetic hearts showed a gene expression pattern characterized by the up-regulation of genes involved in lipid oxidation, together with an abnormal expression of genes related to the cardiac contractile function. A screening for potential regulators of the genes differentially expressed in diabetic mice found that estrogen-related receptor γ (ERRγ) was increased in heart of db/db mice. Overexpression of ERRγ in cultured cardiomyocytes was sufficient to promote the expression of genes involved in lipid oxidation, increase palmitate oxidation and induce cardiomyocyte hypertrophy. Our findings strongly support a role for ERRγ in the metabolic alterations that underlie the development of diabetic cardiomyopathy.
journal_name
Mol Cell Endocrinoljournal_title
Molecular and cellular endocrinologyauthors
Lasheras J,Vilà M,Zamora M,Riu E,Pardo R,Poncelas M,Cases I,Ruiz-Meana M,Hernández C,Feliu JE,Simó R,García-Dorado D,Villena JAdoi
10.1016/j.mce.2016.04.004subject
Has Abstractpub_date
2016-07-15 00:00:00pages
77-88eissn
0303-7207issn
1872-8057pii
S0303-7207(16)30109-5journal_volume
430pub_type
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