Abstract:
:Chemerin is a recently described adipokine whose adipose tissue and serum levels are increased in obesity. Chemerin is expressed in the liver, and here, expression of chemerin has been studied in liver cells and in non-alcoholic fatty liver disease (NAFLD) which is more often found in obesity. Chemerin is shown to be highly expressed in primary human hepatocytes (PHH) whereas hepatic stellate cells (HSC) produce only low levels of this protein. In mice fed a high fat diet hepatic chemerin mRNA but not protein is increased. Chemerin protein is comparably expressed in the liver of control animals and ob/ob mice. Rodents fed a Paigen diet or methionine-choline deficient diet (MCD) develop non-alcoholic steatohepatitis (NASH), and liver chemerin protein tends to be higher in the first and is significantly increased in the latter. Of note, MCD fed mice have similar serum chemerin levels as the respective control animals despite lower body weight. In human fatty liver and NASH liver chemerin mRNA also tends to be induced. Cytokines like TNF and adipokines with an established role in NASH do not considerably affect PHH chemerin protein. The antidiabetic drug metformin reduces cellular and soluble chemerin in PHH as has already been described in adipose tissue. In conclusion current data show that primary human hepatocytes are a major source of hepatic chemerin and increased liver chemerin in NASH may even contribute to systemic levels.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Krautbauer S,Wanninger J,Eisinger K,Hader Y,Beck M,Kopp A,Schmid A,Weiss TS,Dorn C,Buechler Cdoi
10.1016/j.yexmp.2013.07.009subject
Has Abstractpub_date
2013-10-01 00:00:00pages
199-205issue
2eissn
0014-4800issn
1096-0945pii
S0014-4800(13)00095-6journal_volume
95pub_type
杂志文章abstract:PURPOSE:Uterine leiomyomas (fibroids) are benign smooth muscle tumors commonly found among reproductive-aged women. Though benign, these tumors are the leading indication for hysterectomies in the United States and cause significant morbidity. Despite the importance of this tumor in women's health, relatively little is...
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journal_title:Experimental and molecular pathology
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journal_title:Experimental and molecular pathology
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