Filamin B:The next hotspot in skeletal research?

查看全文 作　　者：Qiming [1]xu;Nan [1,2,3]Wu;Lijia [4,5]Cui;Zhihong [2,3,6]Wu;Guixing [1,2,3]Qiu

机构地区：[1]Department of Orthopaedic Surgery,Peking Union Medical College Hospital,Peking Union Medical College and Chinese Academy of Medical Sciences,Beiiing 100730,China;[2]Beijing Key Laboratory for Genetic Research of Skeletal Deformity,Beijing 100730,China;[3]Medical Research Center of Orthopaedics,Chinese Academy of Medical Sciences,Beijing 100730,China;[4]Peking Union Medical College Hospital,Beijing 100730,China;[5]School of Medicine,Tsinghua University,Beijing 100084,China;[6]Department of Central Laboratory,Peking UnionMedical College Hospital,Peking Union Medical College and Chinese Academy of Medical Sciences,Beijing 100730,China

出　　处：《Journal of Genetics and Genomics》索引2017年第44卷第7期,共8页

基　　金：supported by the National Natural Science Foundation of China(Nos.81501852,81472046 and 81472045);the Beijing Natural Science Foundation(No.7172175);the Beijing nova program(No.2161100004916123);the Beijing nova program interdisciplinary collaborative project(No.xxjc201717);the 2016 Milstein Medical Asian American Partnership Foundation Fellowship Award in Translational Medicine,the Central Level Public Interest Program for Scientific Research Institute(No.2016ZX310177);the PUMC Youth Fund&the Fundamental Research Funds for the Central Universities(No.3332016006);the CAMS Initiative for Innovative Medicine(No.2016-12M-3-003);the Distinguished Youth foundation of Peking Union Medical College Hospital(No.JQ201506);the National Key Research and Development Program of China(No.2016YFC0901501) 摘　　要：Filamin B(FLNB)is a large dimeric actin-binding protein which crosslinks actin cytoskeleton filaments into a dynamic structure.Up to present,pathogenic mutations in FLNB are solely found to cause skeleta deformities,indicating the important role of FLNB in skeletal development.FLNB-related disorders are classifiedasspondylocarpotarsalsynostosis(SCT),Larsensyndrome(LS),atelosteogenesis(AO)boomerang dysplasia(BD),and isolated congenital talipes equinovarus,presenting with scoliosis,shortlimbed dwarfism,clubfoot,joint dislocation and other unique skeletal abnormalities.Several mecha?nisms of FLNB mutations causing skeletal malformations have been proposed,including delay of ossification in long bone growth plate,reduction of bone mineral density(BMD),dysregulation of muscle differentiation,ossification of intervertebral disc(IVD),disturbance of proliferation,differentiation and apoptosis in chondrocytes,impairment of angiogenesis,and hypomotility of osteoblast,chondrocyte and fibroblast.Interventions on FLNB-related diseases require prenatal surveillance by sonography,gene testing in high-risk carriers,andproper orthosis or orthopedic surgeries to correct malformations including scoliosis,cervical spine instability,large joint dislocation,and clubfoot.Gene and cell therapies for FLNB-related diseases are also promising but require further studies. 关键词：肌动蛋白细胞疗法疾病治疗方法

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Filamin B:The next hotspot in skeletal research?

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