Abstract：
:Lipoprotein lipase (LPL) is the rate-controlling enzyme for the accumulation of triacylglycerol into adipocytes, which acts by digesting it into glycerol and fatty acids. In this study, we found that treatment with (+)-JQ1, an inhibitor of the bromodomain and extra-terminal (BET) family proteins, for 4 days from the end of stimulation to induce adipocyte differentiation reduced binding of BRD4, a BET family member, within the gene body of Lpl. This eventually downregulated the expression of Lpl in 3T3-L1 adipocytes. Longer treatment for 8 days reduced the acetylation of histones H3 and H4 within the gene body of Lpl and subsequent Lpl expression. Lpl expression in mesenteric adipose tissues was lower in Brd4+/- heterozygous mice at 14 days after birth than in wild-type mice at the same age. Furthermore, treatment with an inducer of insulin resistance, tumor necrosis factor-α, reduced BRD4 binding and histone acetylation in the gene body of Lpl and its expression. These results indicate that transcriptional elongation of Lpl controlled by BRD4 may be associated with adipocyte differentiation, and that its suppression is potentially associated with insulin resistance of adipocytes.
journal_name
Eur J Pharmacoljournal_title
European journal of pharmacologyauthors
Inoue T,Hariya N,Imamochi Y,Dey A,Ozato K,Goda T,Kubota T,Mochizuki Kdoi
10.1016/j.ejphar.2019.172492subject
Has Abstractpub_date
2019-09-05 00:00:00pages
172492eissn
0014-2999issn
1879-0712pii
S0014-2999(19)30444-3journal_volume
858pub_type
杂志文章abstract：:We designed a randomized controlled study to identify and compare the liver tissue responses in systemic hypoxia and resuscitation with 21% and 100% oxygen using an animal model of neonatal hypoxia and reoxygenation. Twenty-seven piglets (1-3 days old, weight 1.5-2.0 kg) were acutely instrumented and mechanically vent...
journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章,评审
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
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journal_title：European journal of pharmacology
pub_type： 杂志文章
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