Anatomy and Function of Ventral Tegmental Area Glutamate Neurons.

Anatomy and Function of Ventral Tegmental Area Glutamate Neurons.
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DOI:
10.3389/fncir.2022.867053
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发表时间:
2022
影响因子:
3.5
通讯作者:
Tong, Qingchun
Tong, Qingchun
中科院分区:
医学3区
文献类型:
--
作者:
Cai, Jing;Tong, Qingchun

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众所周知,腹侧被盖区(VTA)通过调节下游区域的多巴胺(DA)释放来调节奖赏消费、学习、记忆和成瘾行为。除DA神经元外,VTA是已知的异质性神经元,包含其他类型的神经元,包括谷氨酸神经元。与已被充分研究和确定的DA神经元的功能相比,VTA谷氨酸神经元的作用没有得到充分的研究,这可能是因为它们的数量相对较少,缺乏有效的手段来研究它们。然而,新兴的研究已经开始揭示VTA神经元释放谷氨酸的重要性,它通过一个复杂的VTA内和远程神经元网络来调节不同的行为指标。本文从细胞特性、神经联系和行为功能三个方面对VTA谷氨酸神经元的特性进行了综述。VTA谷氨酸能通路的描绘及其与VTA DA神经元在调节行为中的相互作用可能揭示了VTA在其他生理过程中未知的功能。
The ventral tegmental area (VTA) is well known for regulating reward consumption, learning, memory, and addiction behaviors through mediating dopamine (DA) release in downstream regions. Other than DA neurons, the VTA is known to be heterogeneous and contains other types of neurons, including glutamate neurons. In contrast to the well-studied and established functions of DA neurons, the role of VTA glutamate neurons is understudied, presumably due to their relatively small quantity and a lack of effective means to study them. Yet, emerging studies have begun to reveal the importance of glutamate release from VTA neurons in regulating diverse behavioral repertoire through a complex intra-VTA and long-range neuronal network. In this review, we summarize the features of VTA glutamate neurons from three perspectives, namely, cellular properties, neural connections, and behavioral functions. Delineation of VTA glutamatergic pathways and their interactions with VTA DA neurons in regulating behaviors may reveal previously unappreciated functions of the VTA in other physiological processes.
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