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人肥胖基因在大肠杆菌中的表达 被引量:2

Expression of human obese gene in E.coli
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摘要 肥胖基因编码的瘦蛋白可以反映机体脂肪含量信息,在发育、繁殖、造血及体重调节等方面具有重要功能.本文利用PCR方法扩增去除信号肽的人肥胖基因cDNA序列,并将位于基因5'端的CCC转变为大肠杆菌常用密码子CCG,扩增片段经测序证实后,克隆原核表达载体pT7-7,重组质粒转化大肠杆菌BL21(DE3),经温度诱导,SDS-PAGE电泳可见分子量约为16kD的特异蛋白表达带,表达量最高占菌体蛋白总含量的45%以上.表达重组蛋白经纯化,注射昆明白小白鼠,小白鼠体重明显下降,说明纯化的重组蛋白具有生物学活性.
出处 《高技术通讯》 CAS CSCD 北大核心 2005年第4期63-66,共4页 Chinese High Technology Letters
基金 国家自然科学基金
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参考文献9

  • 1Zhang Y, Proenca R, Maffei M, et al. Positional cloning of the mouse abese gene and its human himiligue. Nature, 1994, 372:425
  • 2Pelleymounter M A, Cullen M J, Baker M B, et al. Effects of the obese gene product on body weight regulation in ob/ob mice. Science, 1995, 269:540
  • 3Halaas J L, Gajiwala K S, Maffei M, et al. Weight-reducing effects of the plasma protein encoded by the the obese gene. Science, 1995, 269:543
  • 4Campfield L A, Smith F J, Guiserz Y, et al. Reconbinant mouse ob protein: evidence for a peripheral signal linking adiposity and central neural network. Science, 1995, 269:546
  • 5Considine R V, Considine E L, Williams C J, et al. Evidence against either a premature stop codon or the absence of obese gene mRNA in human obesity. J Clin Invest, 1995, 95:2986
  • 6Carlsson B, Lindell K, Gabrielsson B, et al. obese(ob) gene defects are rare in human obesity. Obes Res, 1997, 5:30
  • 7Gibbs J, Smith G P. Effects of brain-gut peptides on satiety, In obesity. Philadelphia: JB Lipopincott Company, 1992.399
  • 8Ogawa Y, Masuzaki H, Isse N, et al. Molecular cloning of rat obese cDNA and Augmented gene expression in genetically obese zucker fatty (fa/fa) rat. J Clin Invest, 1995, 211:469
  • 9Masuzaki H, Ogawa Y, Hosoda K, et al. Augmented expression of the obese gene in the adipose tissue from rat fed high-fat diet. Biochem Biophy Res Commun, 1995, 216:355

同被引文献25

  • 1贾振宇,伏晓敏,金爱华,曹江.人Leptin基因的cDNA的克隆和表达[J].浙江省医学科学院学报,2005,16(2):103-107. 被引量:1
  • 2CARO J F,SINHA M K, KOLACZYNSKI J W, et al. Leptin: the tale of an obesity gene [J]. Diabetes, 1996,45:1455-1462.
  • 3JEFFREY M F,JEFFREY L H. Leptin and the regulation of body weight in mammals [J].Nature, 1998,395 : 763-770.
  • 4MARY A P, MARY J C, MARY B B, et al. Effects of the obese gene product on body weight regulation in ob/ob mice [J]. Science, 1995,269 : 540-543.
  • 5JEFFREY L H, KETAN S G, MARGHERITA M, et al. Weight-reducing effects of the plasma protein encoded gy the obese gene [J]. Science, 1995,269 : 543-546.
  • 6ZHANG Y Y, RICARDO P, MARGHERITA M, et al. Positional cloning of the mouse obese gene and its human homologue[J].Nature, 1994,372 : 425-432.
  • 7GONG D W, SHENG B, PRATLEY R E, et al. Genomic structure and promoter analysis of the human obese gene [J].J Biol Chem, 1995,271 : 3971-3974.
  • 8ISSE N, OGAWA Y, TAMURA N, et al. Structural organization and chromosomal assignment of the human obese gene[J]. J Biol Chem, 1995,270 :27728-27733.
  • 9BARASH I A,CHEUNG C C,WEIGLE D S,et al. Leptin is a metabolic signal to the reproductive system[J]. Endocrinology, 1996,137 : 3144-3147.
  • 10CHEUNG C C,THORNTON J E,KUUPER J L,et al. Leptin is a metabolic gate for the onset of puberty in the female rat [J]. Endocrinology, 1997,138 : 855-858.

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