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The depressor response to intracerebroventricular hypotonic saline is sensitive to TRPV4 antagonist RN1734

Overview of attention for article published in Frontiers in Pharmacology, April 2015
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Title
The depressor response to intracerebroventricular hypotonic saline is sensitive to TRPV4 antagonist RN1734
Published in
Frontiers in Pharmacology, April 2015
DOI 10.3389/fphar.2015.00083
Pubmed ID
Authors

Claire H Feetham, Nicolas Nunn, Richard Barrett-Jolley

Abstract

Several reports have shown that the periventricular region of the brain, including the paraventricular nucleus (PVN), is critical to sensing and responding to changes in plasma osmolality. Further studies also implicate the transient receptor potential ion channel, type V4 (TRPV4) channel in this homeostatic behavior. In previous work we have shown that TRPV4 ion channels couple to calcium-activated potassium channels in the PVN to decrease action potential firing frequency in response to hypotonicity. In the present study we investigated whether, similarly, intracerebroventricular (ICV) application of hypotonic solutions modulated cardiovascular parameters, and if so whether this was sensitive to a TRPV4 channel inhibitor. We found that ICV injection of 270 mOsmol artificial cerebrospinal fluid (ACSF) decreased mean blood pressure, but not heart rate, compared to naïve mice or mice injected with 300 mOsmol ACSF. This effect was abolished by treatment with the TRPV4 inhibitor RN1734. These data suggest that periventricular targets within the brain are capable of generating depressor action in response to TRPV4 ion channel activation. Potentially, in the future, the TRPV4 channel, or the TRPV4-KCa coupling mechanism, may serve as a therapeutic target for treatment of cardiovascular disease.

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The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 7%
Unknown 13 93%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 21%
Student > Bachelor 2 14%
Researcher 2 14%
Other 1 7%
Student > Ph. D. Student 1 7%
Other 3 21%
Unknown 2 14%
Readers by discipline Count As %
Neuroscience 5 36%
Biochemistry, Genetics and Molecular Biology 2 14%
Pharmacology, Toxicology and Pharmaceutical Science 1 7%
Psychology 1 7%
Agricultural and Biological Sciences 1 7%
Other 2 14%
Unknown 2 14%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 27 January 2023.
All research outputs
#14,481,137
of 23,206,358 outputs
Outputs from Frontiers in Pharmacology
#4,839
of 16,617 outputs
Outputs of similar age
#140,702
of 266,153 outputs
Outputs of similar age from Frontiers in Pharmacology
#30
of 86 outputs
Altmetric has tracked 23,206,358 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 16,617 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.0. This one has gotten more attention than average, scoring higher than 68% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 266,153 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 86 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 56% of its contemporaries.