Talking back: Development of the olivocochlear efferent system.

Talking back: Development of the olivocochlear efferent system.
复制标题

DOI:
10.1002/wdev.324
复制
发表时间:
2018-11
期刊:
Wiley interdisciplinary reviews. Developmental biology
影响因子:
--
通讯作者:
Goodrich LV
Goodrich LV
中科院分区:
其他
文献类型:
--
作者:
Frank MM;Goodrich LV

文献摘要

参考文献

被引文献

相似文献

发育中的感觉系统必须协调从外周神经系统(PNS)中的受体到中枢神经系统(CNS)中的多层网络的神经回路的生长。这种广度带来了特殊的挑战,因为新生过程必须跨越CNS-PNS边界并合并成紧密混合的布线模式,从而实现从PNS到CNS和返回的可靠整合。在听觉系统中,来自外周的前馈螺旋神经节神经元(SGN)通过耳蜗中的音调组织连接收集声音信息,并将该信息传输到脑干以通过第VIII脑神经进行处理。反过来,位于听觉脑干中的反馈橄榄耳蜗神经元(OCN)也通过第VIII神经将投射发送到外周。OCN是运动神经元样传出细胞,影响耳蜗内的听觉处理并保护成年动物免受噪声损伤。这些对齐的前馈和反馈系统平行发展,SGN中央轴突到达发育中的听觉脑干,大约与OCN轴突向发育中的内耳延伸的同时。最近的研究结果已经开始解开引导OCN发展的遗传和分子机制,从它们起源于运动神经元前体的通用池到它们作为耳蜗活动调节剂的专门作用。一个反复出现的主题是传出-传入相互作用的重要性,因为传入SGN将OCN引导到感觉上皮内的最终位置,而传出OCN塑造发育中的听觉系统的活动。内耳传出神经(IEE)向内耳提供反馈。IEE前体细胞起源于脑干中的MNV祖细胞库中的面鳃运动神经元(FBMN),产生橄榄耳蜗神经元(OCN)和前庭传出神经元(VEN)。在耳蜗中,OCN轴突沿着螺旋神经节神经元(SGN)传入过程投射。
Developing sensory systems must coordinate the growth of neural circuitry spanning from receptors in the peripheral nervous system (PNS) to multi-layered networks within the central nervous system (CNS). This breadth presents particular challenges, as nascent processes must navigate across the CNS-PNS boundary and coalesce into a tightly intermingled wiring pattern, thereby enabling reliable integration from the PNS to the CNS and back. In the auditory system, feedforward spiral ganglion neurons (SGNs) from the periphery collect sound information via tonotopically organized connections in the cochlea and transmit this information to the brainstem for processing via the VIIIth cranial nerve. In turn, feedback olivocochlear neurons (OCNs) housed in the auditory brainstem send projections into the periphery, also through the VIIIth nerve. OCNs are motor neuron-like efferent cells that influence auditory processing within the cochlea and protect against noise damage in adult animals. These aligned feedforward and feedback systems develop in parallel, with SGN central axons reaching the developing auditory brainstem around the same time that the OCN axons extend out towards the developing inner ear. Recent findings have begun to unravel the genetic and molecular mechanisms that guide OCN development, from their origins in a generic pool of motor neuron precursors to their specialized roles as modulators of cochlear activity. One recurrent theme is the importance of efferent-afferent interactions, as afferent SGNs guide OCNs to their final locations within the sensory epithelium, and efferent OCNs shape the activity of the developing auditory system. Inner ear efferents (IEEs) provide feedback to the inner ear. Originating with facial branchial motor neurons (FBMNs) from a pool of MNv progenitors in the brainstem, IEE precursors produce olivocochlear neurons (OCNs) and vestibular efferent neurons (VENs). In the cochlea, OCN axons project along spiral ganglion neuron (SGN) afferent processes.
DOI: 10.1016/j.neuron.2014.04.001
发表时间: 2014-05-21
期刊: Neuron
影响因子: 16.2
作者:
Clause A;Kim G;Sonntag M;Weisz CJ;Vetter DE;Rűbsamen R;Kandler K
通讯作者: Kandler K
DOI: 10.1016/s0896-6273(00)81174-5
发表时间: 2000-05-01
期刊: NEURON
影响因子: 16.2
作者:
Cowan, CA;Yokoyama, N;Fritzsch, B
通讯作者: Fritzsch, B
DOI: 10.1113/jphysiol.1984.sp015396
发表时间: 1984-01-01
影响因子: 5.5
作者:
BROWN, MC;NUTTALL, AL
通讯作者: NUTTALL, AL
DOI: 10.1016/j.pneurobio.2011.01.004
发表时间: 2011-04
影响因子: 6.7
作者:
Appler JM;Goodrich LV
通讯作者: Goodrich LV
DOI: 10.1016/j.neuroscience.2007.12.045
发表时间: 2008-06-12
期刊: NEUROSCIENCE
影响因子: 3.3
作者:
Brown, M. C.;Levine, J. L.
通讯作者: Levine, J. L.