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        AZD1208, a pan‐Pim kinase inhibitor, inhibits adipogenesis and induces lipolysis in 3T3‐L1 adipocytes

        Park, Yu&#x2010,Kyoung,Obiang&#x2010,Obounou, Brice Wilfried,Lee, Kyung&#x2010,Bok,Choi, Jong&#x2010,Soon,Jang, Byeong&#x2010,Churl John Wiley and Sons Inc. 2018 JOURNAL OF CELLULAR AND MOLECULAR MEDICINE Vol.22 No.4

        <P><B>Abstract</B></P><P>The proviral integration moloney murine leukaemia virus (Pim) kinases, consisting of Pim‐1, Pim‐2 and Pim‐3, are involved in the control of cell growth, metabolism and differentiation. Pim kinases are emerging as important mediators of adipocyte differentiation. AZD1208 is a pan‐Pim kinase inhibitor and is known for its anti‐cancer activity. In this study, we investigated the effect of AZD1208 on adipogenesis and lipolysis in 3T3‐L1 cells, a murine preadipocyte cell line. AZD1208 markedly suppressed lipid accumulation and reduced triglyceride contents in differentiating 3T3‐L1 cells, suggesting the drug's anti‐adipogenic effect. On mechanistic levels, AZD1208 reduced not only the expressions of CCAAT/enhancer‐binding protein‐α (C/EBP‐α), peroxisome proliferator‐activated receptor‐γ (PPAR‐γ), fatty acid synthase (FAS), acetyl‐CoA carboxylase (ACC) and perilipin A but also the phosphorylation of signal transducer and activator of transcription‐3 (STAT‐3) in differentiating 3T3‐L1 cells. Remarkably, AZD1208 increased cAMP‐activated protein kinase (AMPK) and LKB‐1 phosphorylation while decreased intracellular ATP contents in differentiating 3T3‐L1 cells. Furthermore, in differentiated 3T3‐L1 adipocytes, AZD1208 also partially promoted lipolysis and enhanced the phosphorylation of hormone‐sensitive lipase (HSL), a key lipolytic enzyme, indicating the drug's HSL‐dependent lipolysis. In summary, the findings show that AZD1208 has anti‐adipogenic and lipolytic effects on 3T3‐L1 adipocytes. These effects are mediated by the expression and/or phosphorylation levels of C/EBP‐α, PPAR‐γ, FAS, ACC, perilipin A, STAT‐3, AMPK and HSL.</P>

      • Growth and Body Composition Effects of Tuna Byproduct Meal Substituted for Fish Meal in the Diet of Juvenile Abalone, <i>Haliotis discus</i>

        Jung, Won&#x2010,Gwan,Kim, Hee Sung,Lee, Ki Wook,Kim, Ye Eun,Choi, Dong Kyu,Jang, Bok‐,Il,Cho, Sung Hwoan,Choi, Cheol Young,Kim, Byeng&#x2010,Hak,Joo, Yang&#x2010,Ick John Wiley & Sons Ltd 2016 Journal of the World Aquaculture Society Vol.47 No.1

        <P><B>Abstract</B></P><P>The effects on growth and body composition that result from tuna byproduct meal (TBM) substituted for fish meal in the diet of juvenile abalone, <I>Haliotis discus</I>, were determined. One thousand two hundred sixty juvenile abalone were randomly distributed into 18 70‐L plastic rectangular containers. Six experimental diets were prepared in triplicate. The TBM0 diet included 28% fish meal and 13% soybean meal as the protein source. Twenty‐five, 50, 75, and 100% of the fish meal were substituted with TBM. Finally, salted sea tangle was prepared. The essential amino acids, such as isoleucine, lysine, and valine, tended to decrease with the dietary substitution of TBM for fish meal in the experimental diets. The weight gain and specific growth rate (SGR) of abalone that were fed the TBM25 diet were higher than those of abalone that were fed the other diets. The crude protein content of the soft body of the abalone linearly decreased with the dietary substitution of TBM for fish meal. In conclusion, as much as 75% of the fish meal in the diet of abalone can be replaced with TBM without retardation in weight gain and SGR of the abalone when 28% fish meal was included.</P>

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