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Phosducin influences sympathetic activity and prevents stress-induced hypertension in humans and mice

Overview of attention for article published in Journal of Clinical Investigation, November 2009
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Title
Phosducin influences sympathetic activity and prevents stress-induced hypertension in humans and mice
Published in
Journal of Clinical Investigation, November 2009
DOI 10.1172/jci38433
Pubmed ID
Authors

Nadine Beetz, Michael D Harrison, Marc Brede, Xiangang Zong, Michal J Urbanski, Anika Sietmann, Jennifer Kaufling, Stefan Lorkowski, Michel Barrot, Mathias W Seeliger, Maria Augusta Vieira-Coelho, Pavel Hamet, Daniel Gaudet, Ondrej Seda, Johanne Tremblay, Theodore A Kotchen, Mary Kaldunski, Rolf Nüsing, Bela Szabo, Howard J Jacob, Allen W Cowley, Martin Biel, Monika Stoll, Martin J Lohse, Ulrich Broeckel, Lutz Hein

Abstract

Hypertension and its complications represent leading causes of morbidity and mortality. Although the cause of hypertension is unknown in most patients, genetic factors are recognized as contributing significantly to an individual's lifetime risk of developing the condition. Here, we investigated the role of the G protein regulator phosducin (Pdc) in hypertension. Mice with a targeted deletion of the gene encoding Pdc (Pdc-/- mice) had increased blood pressure despite normal cardiac function and vascular reactivity, and displayed elevated catecholamine turnover in the peripheral sympathetic system. Isolated postganglionic sympathetic neurons from Pdc-/- mice showed prolonged action potential firing after stimulation with acetylcholine and increased firing frequencies during membrane depolarization. Furthermore, Pdc-/- mice displayed exaggerated increases in blood pressure in response to post-operative stress. Candidate gene-based association studies in 2 different human populations revealed several SNPs in the PDC gene to be associated with stress-dependent blood pressure phenotypes. Individuals homozygous for the G allele of an intronic PDC SNP (rs12402521) had 12-15 mmHg higher blood pressure than those carrying the A allele. These findings demonstrate that PDC is an important modulator of sympathetic activity and blood pressure and may thus represent a promising target for treatment of stress-dependent hypertension.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 47 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 1 2%
Denmark 1 2%
Italy 1 2%
Unknown 44 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 10 21%
Student > Ph. D. Student 9 19%
Professor > Associate Professor 8 17%
Other 7 15%
Professor 4 9%
Other 7 15%
Unknown 2 4%
Readers by discipline Count As %
Agricultural and Biological Sciences 17 36%
Medicine and Dentistry 12 26%
Biochemistry, Genetics and Molecular Biology 4 9%
Pharmacology, Toxicology and Pharmaceutical Science 2 4%
Nursing and Health Professions 2 4%
Other 7 15%
Unknown 3 6%
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 08 January 2010.
All research outputs
#17,286,379
of 25,374,917 outputs
Outputs from Journal of Clinical Investigation
#15,980
of 17,180 outputs
Outputs of similar age
#149,317
of 178,482 outputs
Outputs of similar age from Journal of Clinical Investigation
#53
of 64 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 17,180 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 16.7. This one is in the 4th percentile – i.e., 4% of its peers scored the same or lower than it.
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 178,482 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 8th percentile – i.e., 8% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 64 others from the same source and published within six weeks on either side of this one. This one is in the 3rd percentile – i.e., 3% of its contemporaries scored the same or lower than it.