PRDM12 Is Required for Initiation of the Nociceptive Neuron Lineage during Neurogenesis.

PRDM12 Is Required for Initiation of the Nociceptive Neuron Lineage during Neurogenesis.
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DOI:
10.1016/j.celrep.2019.02.098
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发表时间:
2019-03-26
期刊:
影响因子:
8.8
通讯作者:
Chrast R
Chrast R
中科院分区:
生物学1区
文献类型:
--
作者:
Bartesaghi L;Wang Y;Fontanet P;Wanderoy S;Berger F;Wu H;Akkuratova N;Bouçanova F;Médard JJ;Petitpré C;Landy MA;Zhang MD;Harrer P;Stendel C;Stucka R;Dusl M;Kastriti ME;Croci L;Lai HC;Consalez GG;Pattyn A;Ernfors P;Senderek J;Adameyko I;Lallemend F;Hadjab S;Chrast R

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疼痛感对于保持身体功能的完整性至关重要。然而,启动痛觉神经元发育所需的关键分子调节因子仍然很大程度上未知。在这里,我们报告说,在小鼠中,对人类疼痛感知至关重要的转录调节因子 PRDM12 失活会导致伤害感受谱系完全消失,而本体感觉和触觉敏感神经元仍然存在。从机制上讲,我们的数据表明,PRDM12 是伤害感受谱系中神经发生的起始和一系列下游前神经元转录因子(包括 NEUROD1、BRN3A 和 ISL1)的激活所必需的,同时它抑制祖细胞中除伤害感受器以外的其他命运。因此,我们的结果表明 PRDM12 对于整个疼痛起始神经元谱系的生成是必需的。伤害感受谱系神经元对疼痛、温度和瘙痒的感觉对于动物的生存至关重要。巴特萨吉等人。报道称,转录调节因子 PRDM12 在神经嵴细胞 (NCC) 中对于启动产生整个伤害感受谱系的感觉神经元分化程序是必不可少的。
The sensation of pain is essential for the preservation of the functional integrity of the body. However, the key molecular regulators necessary for the initiation of the development of pain-sensing neurons have remained largely unknown. Here, we report that, in mice, inactivation of the transcriptional regulator PRDM12, which is essential for pain perception in humans, results in a complete absence of the nociceptive lineage, while proprioceptive and touch-sensitive neurons remain. Mechanistically, our data reveal that PRDM12 is required for initiation of neurogenesis and activation of a cascade of downstream pro-neuronal transcription factors, including NEUROD1, BRN3A, and ISL1, in the nociceptive lineage while it represses alternative fates other than nociceptors in progenitor cells. Our results thus demonstrate that PRDM12 is necessary for the generation of the entire lineage of pain-initiating neurons. The sensation of pain, temperature, and itch by neurons of the nociceptive lineage is essential for animal survival. Bartesaghi et al. report that the transcriptional regulator PRDM12 is indispensable in neural crest cells (NCCs) for the initiation of the sensory neuronal differentiation program that generates the entire nociceptive lineage.
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