TSHZ3 deletion causes an autism syndrome and defects in cortical projection neurons.

TSHZ3 deletion causes an autism syndrome and defects in cortical projection neurons.
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DOI:
10.1038/ng.3681
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发表时间:
2016-11
期刊:
影响因子:
30.8
通讯作者:
Fasano, Laurent
Fasano, Laurent
中科院分区:
生物学1区
文献类型:
--
作者:
Caubit, Xavier;Gubellini, Paolo;Andrieux, Joris;Roubertoux, Pierre L.;Metwaly, Mehdi;Jacq, Bernard;Fatmi, Ahmed;Had-Aissouni, Laurence;Kwan, Kenneth Y.;Salin, Pascal;Carlier, Michele;Lieden, Agne;Rudd, Eva;Shinawi, Marwan;Vincent-Delorme, Catherine;Cuisset, Jean-Marie;Lemaitre, Marie-Pierre;Abderrehamane, Fatimetou;Duban, Benedicte;Lemaitre, Jean-Francois;Woolf, Adrian S.;Bockenhauer, Detlef;Severac, Dany;Dubois, Emeric;Zhu, Ying;Sestan, Nenad;Garratt, Alistair N.;Goff, Lydia Kerkerian-Le;Fasano, Laurent

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TSHZ3编码锌指转录因子,最近被定位为在发育中的人类新皮层中表达最高的基因模块中的枢纽基因,但其功能仍然未知。在这里,我们确定TSHZ3作为与19q12q13.11杂合缺失相关的综合征的关键区域,包括自闭症谱系障碍(ASD)。在Tshz3基因敲除小鼠中,差异表达的基因包括大脑皮质投射神经元(CPNs)的层特异性标记物,它们的人类直系同源物与ASD密切相关。此外,Tshz3缺失的杂合子小鼠在由CPN建立的突触处显示出功能变化,并表现出核心ASD样行为异常。这些发现揭示了Tshz3在CPN发育和功能中的重要作用,其改变可以解释新定义的TSHZ3缺失综合征中的ASD。
TSHZ3, which encodes a zinc-finger transcription factor, was recently positioned as a hub gene in a module of genes with the highest expression in the developing human neocortex, but its functions remained unknown. Here, we identify TSHZ3 as the critical region for a syndrome associated with heterozygous deletions at 19q12q13.11, which includes autism spectrum disorder (ASD). In Tshz3 null mice, differentially expressed genes include layer-specific markers of cerebral cortical projection neurons (CPNs) and their human orthologues are strongly associated with ASD. Furthermore, mice heterozygous for Tshz3 deletion show functional changes at synapses established by CPNs and exhibit core ASD-like behavioral abnormalities. These findings reveal essential roles for Tshz3 in CPN development and function, whose alterations can account for ASD in the newly-defined TSHZ3 deletion syndrome.
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