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《Hereditas》 2008-01
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Research of HOXD13 and FHL1 in idiopathic congenital talipes equinovarus

WANG Li-Li, FU Wei-Neng, LI Zeng-Gang, SUN Kai-Lai Department of Medical Genetics, China Medical University, Shenyang, 110001, China  
To investigate the relationship of HOXD13 and FHL1 in idiopathic congenital talipes equinovarus(ICTEV), 84 samples from patients with ICTEV were used in the study.Mutation in the coding region of HOXD13 was detected by denaturing gradinent electrophoresis. The mRNA and protein levels of HOXD13 and FHL1 were evaluated by RT-PCR and immunohistochemistry, respectively. The binding site of FHL1 to HOXD13 predicted by PMATCH software was validated by EMSA(Electrophoretic mobility shift assay,EMSA).No mutation was found in the coding region of HOXD13 in 84 samples from patients with ICTEV. Both HOXD13(33.3%) and FHL1(46.6%) were down-regulated in ICTEV muscle tissue.The result of EMSA showed that the special binding band appeared when HOXD13 existed. The results shows that HOXD13 gene mutation was not involved in outbreak in idiopathic congenital talipes equinovarus, but changes of HOXD13 and FHL1 gene expression related to the development of talipes equinovarus malformation. HOXD13 might play an role in ICTEV through regulating FHL1 expression.
【Fund】: 国家重点基础研究发展规划(编号:2001CB510301)资助~~
【CateGory Index】: R726.8
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