Zinc-finger BED domain-containing 3 expression in tissues of various organs in normal C57BL/6J mice and the changes in the ZBED3 expression levels affected by liraglutide in C57BL/6J mice and db/db mice

Abstract

Objective To compare zinc-finger BED domain-containing 3 （ZBED3） expression in various tissues of C57BL/6J mice and the effects of liraglutide, glucose, and insulin on the levels of ZBED3 protein expression in C57BI/6J mice and db/db mice. Methods The mRNA level of ZBED3 in various tissues of C57BI/6J mice was measured by realtime PCR. The protein level of ZBED3 was measured by using western blot. Results ZBED3 mRNA levels were detected in muscle, spleen, kidney, brain, heart, lung, and liver of C57BL/6J mice, yielding the highest expression in muscle. Additionally, The liver ZBED3 levels were higher in db/db mice compared with C57BL/6J mice （ P〈0.01 ）. Furthermore, the protein expression of ZBED3 was significantly increased in liver tissues of db/db mice treated with high concentrations of liraglutide, glucose or insulin （ P〈0.05 ） , however, the expression of ZBED3 only responded to high concentration of glucose in liver tissues of C57BL/6J mice. Conclusion ZBED3 may act as a novel factor in regulating glucose metabolisrn. The expression of ZBED3 can be regulated by liraglutide, glucose, and insulin. Thus, ZBED3 may play an important role in conditioning of hyperglycemia. Key words: Zinc-finger BED domain-containing 3 ; Glucose ; Insulin ; Liraglutide