Ursodeoxycholyl lysophosphatidylethanolamide improves steatosis and inflammation in murine models of nonalcoholic fatty liver disease

Anita Pathil, Jan Mueller, Arne Warth, Walee Chamulitrat, Wolfgang Stremmel – 20 December 2011 – Hepatic fat accumulation and changes in lipid composition are hallmarks of nonalcoholic fatty liver disease (NAFLD). As an experimental approach for treatment of NAFLD, we synthesized the bile acid–phospholipid conjugate ursodeoxycholyl lysophosphatidylethanolamide (UDCA‐LPE). Previous work demonstrated profound hepatoprotective properties of the conjugate in vitro and in vivo. Here we investigated the effects of UDCA‐LPE in two nutritional mouse models of NAFLD.

A C‐terminal tyrosine‐based motif in the bile salt export pump directs clathrin‐dependent endocytosis

Ping Lam, Shuhua Xu, Carol J. Soroka, James L. Boyer – 12 December 2011 – The liver‐specific bile salt export pump (BSEP) is crucial for bile acid–dependent bile flow at the apical membrane. BSEP, a member of the family of structurally related adenosine triphosphate (ATP)‐binding cassette (ABC) proteins, is composed of 12 transmembrane segments (TMS) and two large cytoplasmic nucleotide‐binding domains (NBDs).

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