Chen Zhao, Min Su, Yingzi Wang, Xinmeng Li, Yongxue Zhang, Xiaona Du, Hailin Zhang
Abstract
The serotonin (5-HT) system originating in the dorsal raphe nucleus (DRN) is implicated in various mood- and emotion-related disorders, such as anxiety, fear and stress. Abnormal activity of DRN 5-HT neurons is the key factor in the development of these disorders. Here, we describe a crucial role for the Kv7.4 potassium channel in modulating DRN 5-HT neuronal excitability. We demonstrate that Kv7.4 is selectively expressed in 5-HT neurons of the DRN. Using selective Kv7.4 opener fasudil and Kv7.4 knock-out mice, we demonstrate that Kv7.4 is a potent modulator of DRN 5-HT neuronal excitability. Furthermore, we demonstrate that the cellular redox signaling mechanism is involved in this 5-HT activation of Kv7.4. The current study suggests a new strategy for treating psychiatric disorders related to altered activity of DRN 5-HT neurons using K+ channel modulators.
Pharmacology, Toxicology and Pharmaceutical Science
3
12%
Agricultural and Biological Sciences
3
12%
Medicine and Dentistry
2
8%
Biochemistry, Genetics and Molecular Biology
1
4%
Other
1
4%
Unknown
6
24%
Attention Score in Context
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 December 2017.
All research outputs
#21,376,027
of 23,867,274 outputs
Outputs from Frontiers in Cellular Neuroscience
#3,761
of 4,438 outputs
Outputs of similar age
#381,747
of 445,457 outputs
Outputs of similar age from Frontiers in Cellular Neuroscience
#83
of 105 outputs
Altmetric has tracked 23,867,274 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,438 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 105 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
