Establishing an FSHD-like mouse for therapeutic development

建立类 FSHD 小鼠用于治疗开发

基本信息

  • 批准号:
    9167305
  • 负责人:
  • 金额:
    $ 1.74万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2016
  • 资助国家:
    美国
  • 起止时间:
    2016-09-01 至 2016-12-31
  • 项目状态:
    已结题

项目摘要

PROJECT SUMMARY Facioscapulohumeral muscular dystrophy (FSHD) is the most prevalent myopathy afflicting males and females, children and adults. In the majority of clinical FSHD cases, muscle weakness is not noticeable until the second or third decade of life followed by a progressive pathology impacting many facets of everyday life, ranging from being unable to comb ones own hair or walk the dog to including having to change or abandon careers, loss of independence and, in ~20% of FSHD patients, becoming wheelchair bound an/or require aid in breathing. Currently there are no treatments to slow down, stop, or reverse disease progression. A major impediment to developing ameliorative treatments is the lack of a reliable phenotypic FSHD-like animal model based on expression of the DUX4 gene, widely considered the key mediator of FSHD pathophysiology. This project directly addresses this void. In FSHD, increased expression of DUX4-fl, which can function as a DNA-binding transcription factor, alters the gene expression profiles of muscles and initiates a cascade of events ultimately leading to FSHD pathophysiology. Thus, the DUX4-fl mRNA, DUX4- FL protein and downstream targets are all excellent targets for therapeutic development. For this project, we have successfully engineered a line of transgenic mice that contains the human DUX4- fl gene maintaining its native gene structure. These mice are validated to express correctly spliced DUX4-fl mRNA upon Cre-mediated recombination and develop an aberrant muscle phenotype when DUX4-fl is expressed in developing muscle. This data strongly supports the ultimate generation of an FSHD-like model mouse; however, the precise expression conditions that will result in a useful FSHD-like phenotype are still not known. Here, we will use a commercially available line of mice expressing tamoxifen-inducible Cre in skeletal muscles to determine the conditions required to generate reproducible FSHD-like phenotypes over a range of severities. A successful FSHD-like mouse will appear initially healthy, then develop a progressive myopathic phenotype based on quantifiable metrics of muscle strength and function including grip strength, rotarod, and the maximum distance each is capable of running before becoming exhausted. The phenotypes will be confirmed by FSHD-like gene expression analysis and histopathology. Completion of this project will provide the FSHD field with valuable tools for better understanding FSHD pathogenic progression and mechanisms. In addition, these models will serve as a resource for pre-clinical testing of therapeutic strategies targeting the DUX4-fl mRNA and protein as ameliorative treatments for FSHD.
项目总结

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Peter L Jones其他文献

Engineered telomeres in transgenic Xenopus laevis
转基因非洲爪蟾的工程端粒
  • DOI:
    10.1007/s11248-007-9076-0
  • 发表时间:
    2007
  • 期刊:
  • 影响因子:
    3
  • 作者:
    R. Wuebbles;Peter L Jones
  • 通讯作者:
    Peter L Jones
Purification of MeCP2-containing deacetylase from Xenopus laevis.
从非洲爪蟾中纯化含有 MeCP2 的脱乙酰酶。
  • DOI:
    10.1385/1-59259-182-5:131
  • 发表时间:
    2002
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Peter L Jones;P. Wade;A. Wolffe
  • 通讯作者:
    A. Wolffe
Validation of the association between MRI and gene signatures in facioscapulohumeral dystrophy muscle: implications for clinical trial design
面肩肱肌营养不良症 MRI 与基因特征之间关联的验证:对临床试验设计的影响
  • DOI:
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Chao;S. Friedman;L. Snider;S. R. Bennett;T. Jones;Peter L Jones;Dennis Shaw;S. Blemker;Lara I. Riem;Olivia DuCharme;R. Lemmers;S. M. van der Maarel;Leo H. Wang;R. Tawil;J. Statland;S. Tapscott
  • 通讯作者:
    S. Tapscott
Programming the Transcriptional State of Replicating Methylated DNA*
对复制甲基化 DNA 的转录状态进行编程*
  • DOI:
    10.1074/jbc.m010967200
  • 发表时间:
    2001
  • 期刊:
  • 影响因子:
    0
  • 作者:
    W. Stünkel;S. Ait;Peter L Jones;A. Wolffe
  • 通讯作者:
    A. Wolffe
Facioscapulohumeral muscular dystrophy region gene 1 (FRG1) is a dynamic RNA-associated and actin bundling protein
面肩肱型肌营养不良症区域基因 1 (FRG1) 是一种动态 RNA 相关和肌动蛋白捆绑蛋白
  • DOI:
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    0
  • 作者:
    C. Sun;S. Koningsbruggen;Steven W. Long;Kirsten;Straasheijm;R. Klooster;T. Jones;M. Bellini;L. Lévesque;William;M. Brieher;S. M. V. D. Maarel;Peter L Jones
  • 通讯作者:
    Peter L Jones

Peter L Jones的其他文献

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{{ truncateString('Peter L Jones', 18)}}的其他基金

Accessible FSHD diagnostics through epigenetic analysis
通过表观遗传分析进行 FSHD 诊断
  • 批准号:
    10556422
  • 财政年份:
    2022
  • 资助金额:
    $ 1.74万
  • 项目类别:
Accessible FSHD diagnostics through epigenetic analysis
通过表观遗传分析进行 FSHD 诊断
  • 批准号:
    10391097
  • 财政年份:
    2022
  • 资助金额:
    $ 1.74万
  • 项目类别:
CRISPR-inhibition for FSHD
FSHD 的 CRISPR 抑制
  • 批准号:
    10461994
  • 财政年份:
    2021
  • 资助金额:
    $ 1.74万
  • 项目类别:
CRISPR-inhibition for FSHD
FSHD 的 CRISPR 抑制
  • 批准号:
    10649682
  • 财政年份:
    2021
  • 资助金额:
    $ 1.74万
  • 项目类别:
CRISPR-inhibition for FSHD
FSHD 的 CRISPR 抑制
  • 批准号:
    10318054
  • 财政年份:
    2021
  • 资助金额:
    $ 1.74万
  • 项目类别:
Mechanisms of DUX4 mediated FSHD pathology
DUX4 介导的 FSHD 病理机制
  • 批准号:
    9288155
  • 财政年份:
    2017
  • 资助金额:
    $ 1.74万
  • 项目类别:
Mechanisms of DUX4 mediated FSHD pathology
DUX4 介导的 FSHD 病理机制
  • 批准号:
    9457189
  • 财政年份:
    2017
  • 资助金额:
    $ 1.74万
  • 项目类别:
Pathogenic Mechanisms in Facioscapulohumeral Muscular Dystrophy
面肩肱型肌营养不良症的发病机制
  • 批准号:
    9277391
  • 财政年份:
    2016
  • 资助金额:
    $ 1.74万
  • 项目类别:
Mechanisms of DUX4 mediated FSHD pathology
DUX4 介导的 FSHD 病理机制
  • 批准号:
    10554358
  • 财政年份:
    2013
  • 资助金额:
    $ 1.74万
  • 项目类别:
Mechanisms of DUX4 mediated FSHD pathology
DUX4 介导的 FSHD 病理机制
  • 批准号:
    8506320
  • 财政年份:
    2013
  • 资助金额:
    $ 1.74万
  • 项目类别:

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