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Dendrogenin A and B two new steroidal alkaloids increasing neural responsiveness in the deafened guinea pig

Overview of attention for article published in Frontiers in Aging Neuroscience, July 2015
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Title
Dendrogenin A and B two new steroidal alkaloids increasing neural responsiveness in the deafened guinea pig
Published in
Frontiers in Aging Neuroscience, July 2015
DOI 10.3389/fnagi.2015.00145
Pubmed ID
Authors

Anette Fransson, Philippe de Medina, Michaël R. Paillasse, Sandrine Silvente-Poirot, Marc Poirot, Mats Ulfendahl

Abstract

To investigate the therapeutic potential for treating inner ear damage of two new steroidal alkaloid compounds, Dendrogenin A and Dendrogenin B, previously shown to be potent inductors of cell differentiation. Guinea pigs, unilaterally deafened by neomycin infusion, received a cochlear implant followed by immediate or a 2-week delayed treatment with Dendrogenin A, Dendrogenin B, and, as comparison artificial perilymph and glial cell-line derived neurotrophic factor. After a 4-week treatment period the animals were sacrificed and the cochleae processed for morphological analysis. Electrically-evoked auditory brainstem responses (eABRs) were measured weekly throughout the experiment. Following immediate or delayed Dendrogenin treatment the electrical responsiveness was significantly maintained, in a similar extent as has been shown using neurotrophic factors. Histological analysis showed that the spiral ganglion neurons density was only slightly higher than the untreated group. Our results suggest that Dendrogenins constitute a new class of drugs with strong potential to improve cochlear implant efficacy and to treat neuropathy/synaptopathy related hearing loss. That electrical responsiveness was maintained despite a significantly reduced neural population suggests that the efficacy of cochlear implants is more related to the functional state of the spiral ganglion neurons than merely their number.

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The data shown below were collected from the profiles of 2 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 34 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 34 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 11 32%
Student > Master 5 15%
Other 3 9%
Student > Ph. D. Student 3 9%
Student > Doctoral Student 1 3%
Other 2 6%
Unknown 9 26%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 5 15%
Medicine and Dentistry 5 15%
Neuroscience 4 12%
Engineering 3 9%
Chemistry 2 6%
Other 3 9%
Unknown 12 35%
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 11 August 2015.
All research outputs
#14,818,555
of 22,817,213 outputs
Outputs from Frontiers in Aging Neuroscience
#3,353
of 4,774 outputs
Outputs of similar age
#144,749
of 263,414 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#47
of 63 outputs
Altmetric has tracked 22,817,213 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,774 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.1. This one is in the 25th percentile – i.e., 25% 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 263,414 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 63 others from the same source and published within six weeks on either side of this one. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.