Prevention of medulla neuron dedifferentiation by Nerfin-1 requires inhibition of Notch activity
Prevention of medulla neuron dedifferentiation by Nerfin-1 requires inhibition of Notch activity
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Nerfin-1 预防髓质神经元去分化需要抑制 Notch 活性
DOI:
10.1242/dev.141341
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发表时间:
2017-04
期刊:
影响因子:
4.6
通讯作者:
Lei Zhang
中科院分区:
文献类型:
--
作者:
Jiajun Xu;Xue Hao;Mengxin Yin;Yi Lu;Yunyun Jin;Jinjin Xu;Ling Ge;Wenqing Wu;Margaret Ho;Yingzi Yang;Yun Zhao;Lei Zhang
The Drosophila larval central nervous system comprises the central brain, ventral nerve cord and optic lobe. In these regions, neuroblasts (NBs) divide asymmetrically to self-renew and generate differentiated neurons or glia. To date, mechanisms of preventing neuron dedifferentiation are still unclear, especially in the optic lobe. Here, we show that the zinc-finger transcription factor Nerfin-1 is expressed in early-stage medulla neurons and is essential for maintaining their differentiation. Loss of Nerfin-1 activates Notch signaling, which promotes neuron-to-NB reversion. Repressing Notch signaling largely rescues dedifferentiation in nerfin-1 mutant clones. Thus, we conclude that Nerfin-1 represses Notch activity in medulla neurons and prevents them from dedifferentiation. Summary: Loss of expression of zinc-finger transcription factor Nerfin-1 in early-stage medullar neurons activates Notch signaling and promotes neuron-to-neuroblast reversion.
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影响因子:
3.6
作者:
Egger B;Boone JQ;Stevens NR;Brand AH;Doe CQ
通讯作者:
Doe CQ
影响因子:
2.7
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Orihara-Ono, Minako;Toriya, Masako;Okano, Hideyuki
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Okano, Hideyuki
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2.9
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Toriya, M;Tokunaga, A;Okano, H
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Okano, H
影响因子:
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HARTENSTEIN, V
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64.5
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Huang, Z;Kunes, S
通讯作者:
Kunes, S