Apolipoprotein D, apolipoprotein R and ST6GalNAc4 genes respond to clenbuterol administration in pig adipose tissue

Apolipoprotein D, apolipoprotein R and ST6GalNAc4 genes respond to clenbuterol administration in pig adipose tissue
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载脂蛋白 D、载脂蛋白 R 和 ST6GalNAc4 基因对猪脂肪组织中克伦特罗的施用有反应

DOI:
10.5897/ajb10.2489
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发表时间:
2011-07
影响因子:
--
通讯作者:
Zheng, Libin
Zheng, Libin
中科院分区:
--
文献类型:
--
作者:
Zhang, Jin;Lin, Jiali;Shen, Liangcai;Zhang, Fan;Zhu, Yingbo;Zheng, Libin

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高剂量克伦特罗可以减少猪脂肪的积累,但其分子机制尚未得到很好的表征。采用cDNA微阵列和实时荧光定量PCR技术对脂肪细胞中可能与克伦特罗反应的分子进行鉴定。通过微阵列分析,发现17个基因的mRNA差异表达超过2倍(试验猪与对照猪的表达水平之比大于2或小于0.5),包括3个脂质代谢相关基因(载脂蛋白D、载脂蛋白R和ST6GalNAc 4)。8个基因通过实时PCR进行验证,其中6个基因再现了微阵列分析的结果。结果表明,猪脂肪组织中的载脂蛋白D、载脂蛋白R和ST6GalNAc 4基因对克伦特罗的给药产生应答,其功能可能与减少脂肪积累有关。   关键词:猪,克伦特罗,脂肪,基因芯片,实时定量PCR。
Pig fat accumulation can be reduced by feeding pigs with high dosages of clenbuterol, but the molecular mechanism has not yet been well characterized. cDNA microarray and real-time PCR were used to identify the molecules potentially responding to clenbuterol in adipose cells. The mRNAs of 17 genes were found to be differentially expressed more than 2 fold (ratios of the expression levels in the test pigs to those in the control pigs of more than 2 or less than 0.5) by microarray analysis, including three lipid metabolism related genes (apolipoprotein D, apolipoprotein R and ST6GalNAc4). Eight genes were verified by real-time PCR, with six of them reproducing the result from microarray analyses. The results showed that apolipoprotein D, apolipoprotein R and ST6GalNAc4 genes respond to clenbuterol administration in pig adipose tissue and their functions may relate to fat accumulation reduction.   Key words: Pig, clenbuterol, adipose, cDNA microarray, real-time polymerase chain reaction (PCR).
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