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HEREDITAS ›› 2011, Vol. 33 ›› Issue (4): 347-352.doi: 10.3724/SP.J.1005.2011.00347

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The regulation of UTROPHIN expression by EN1

WANG Qian1, 3, CAO Dong-Hua2, LIN Chang-Kun3, WANG Zheng-Dong3, CUI Wan-Ting3, JIN Chun-Lian3   

  1. 1. Higher Profession School, China Medical University, Shenyang 110001, China 2. No.202 Hospital of People's Liberation Army, Shenyang 110003, China 3. Department of Medical Genetics, China Medical University, Shenyang 110001, China
  • Received:2010-08-23 Revised:2010-11-25 Online:2011-04-20 Published:2011-04-25
  • Contact: JIN Chun-Lian E-mail:jchlcmu@126.com

Abstract: To investigate possible factors up-regulating the expression of UTROPHIN, potential regulatory elements in the promoter of the human UTROPHIN was predicted by P-match software and verified by EMSA and ChIP. The mechanism of EN1 regulation of the human UTROPHIN expression was evaluated by RNA interference and real-time PCR analyses. Two potential EN1 binding sites in UTROPHIN promoter region were predicted by P-Match software but only the second site was verified to interact directly with EN1 by EMSA and ChIP. The results from RNA interference and real-time PCR showed that the mRNA level of UTROPHIN increased in HeLa cells after EN1 was knockdowned by siRNA. It indicated that EN1 might be a negative regulatory factor for UTROPHIN. Our study suggested that UTROPHIN might be a new target for DMD therapy.

Key words: RNA interfence, Real-time PCR, EN1, UTROPHIN