NeuroD2 regulates the development of hippocampal mossy fiber synapses.
NeuroD2 regulates the development of hippocampal mossy fiber synapses.
复制标题
DOI:
10.1186/1749-8104-7-9
复制
发表时间:
2012-02-27
影响因子:
3.6
通讯作者:
Ghosh A
中科院分区:
文献类型:
--
作者:
Wilke SA;Hall BJ;Antonios JK;Denardo LA;Otto S;Yuan B;Chen F;Robbins EM;Tiglio K;Williams ME;Qiu Z;Biederer T;Ghosh A
The assembly of neural circuits requires the concerted action of both genetically determined and activity-dependent mechanisms. Calcium-regulated transcription may link these processes, but the influence of specific transcription factors on the differentiation of synapse-specific properties is poorly understood. Here we characterize the influence of NeuroD2, a calcium-dependent transcription factor, in regulating the structural and functional maturation of the hippocampal mossy fiber (MF) synapse. Using NeuroD2 null mice and in vivo lentivirus-mediated gene knockdown, we demonstrate a critical role for NeuroD2 in the formation of CA3 dendritic spines receiving MF inputs. We also use electrophysiological recordings from CA3 neurons while stimulating MF axons to show that NeuroD2 regulates the differentiation of functional properties at the MF synapse. Finally, we find that NeuroD2 regulates PSD95 expression in hippocampal neurons and that PSD95 loss of function in vivo reproduces CA3 neuron spine defects observed in NeuroD2 null mice. These experiments identify NeuroD2 as a key transcription factor that regulates the structural and functional differentiation of MF synapses in vivo.
登录
查看更多内容
影响因子:
64.8
作者:
Lin, Yingxi;Bloodgood, Brenda L.;Hauser, Jessica L.;Lapan, Ariya D.;Koon, Alex C.;Kim, Tae-Kyung;Hu, Linda S.;Malik, Athar N.;Greenberg, Michael E.
通讯作者:
Greenberg, Michael E.
DOI:
10.1073/pnas.0811025106
发表时间:
2008-12-30
影响因子:
11.1
作者:
Elias, G. M.;Elias, L. A. B.;Nicoll, R. A.
通讯作者:
Nicoll, R. A.
DOI:
10.1073/pnas.0609307104
发表时间:
2007-03-06
影响因子:
11.1
作者:
Ehrlich, Ingrid;Klein, Matthew;Malinow, Roberto
通讯作者:
Malinow, Roberto
影响因子:
16.2
作者:
Elias, Guillermo M.;Funke, Lars;Nicoll, Roger A.
通讯作者:
Nicoll, Roger A.
影响因子:
2.5
作者:
AMARAL, DG;DENT, JA
通讯作者:
DENT, JA