Tardbpl splicing rescues motor neuron and axonal development in a mutant tardbp zebrafish.
Tardbpl splicing rescues motor neuron and axonal development in a mutant tardbp zebrafish.
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DOI:
10.1093/hmg/ddt082
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发表时间:
2013-06-15
影响因子:
3.5
通讯作者:
Shaw PJ
中科院分区:
文献类型:
--
作者:
Hewamadduma CA;Grierson AJ;Ma TP;Pan L;Moens CB;Ingham PW;Ramesh T;Shaw PJ
Mutations in the transactive response DNA binding protein-43 (TARDBP/TDP-43) gene, which regulates transcription and splicing, causes a familial form of amyotrophic lateral sclerosis (ALS). Here, we characterize and report the first tardbp mutation in zebrafish, which introduces a premature stop codon (Y220X), eliminating expression of the Tardbp protein. Another TARDBP ortholog, tardbpl, in zebrafish is shown to encode a Tardbp-like protein which is truncated compared with Tardbp itself and lacks part of the C-terminal glycine-rich domain (GRD). Here, we show that tardbp mutation leads to the generation of a novel tardbpl splice form (tardbpl-FL) capable of making a full-length Tardbp protein (Tardbpl-FL), which compensates for the loss of Tardbp. This finding provides a novel in vivo model to study TDP-43-mediated splicing regulation. Additionally, we show that elimination of both zebrafish TARDBP orthologs results in a severe motor phenotype with shortened motor axons, locomotion defects and death at around 10 days post fertilization. The Tardbp/Tardbpl knockout model generated in this study provides an excellent in vivo system to study the role of the functional loss of Tardbp and its involvement in ALS pathogenesis.
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DOI:
10.1111/j.1440-1789.2009.01091.x
发表时间:
2010-04
期刊:
Neuropathology : official journal of the Japanese Society of Neuropathology
影响因子:
--
作者:
Geser F;Lee VM;Trojanowski JQ
通讯作者:
Trojanowski JQ
影响因子:
4.3
作者:
Ramesh, Tennore;Lyon, Alison N.;Beattie, Christine E.
通讯作者:
Beattie, Christine E.
DOI:
10.1073/pnas.97.21.11403
发表时间:
2000-10-10
影响因子:
11.1
作者:
Kawakami, K;Shima, A;Kawakami, N
通讯作者:
Kawakami, N
影响因子:
15.9
作者:
Igaz, Lionel M.;Kwong, Linda K.;Lee, Virginia M. -Y.
通讯作者:
Lee, Virginia M. -Y.
影响因子:
3.5
作者:
Kabashi, Edor;Lin, Li;Drapeau, Pierre
通讯作者:
Drapeau, Pierre