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Airway Relaxation Effects of Water-Soluble Sclerotial Extract From Lignosus rhinocerotis

Overview of attention for article published in Frontiers in Pharmacology, May 2018
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  • Above-average Attention Score compared to outputs of the same age and source (54th percentile)

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Title
Airway Relaxation Effects of Water-Soluble Sclerotial Extract From Lignosus rhinocerotis
Published in
Frontiers in Pharmacology, May 2018
DOI 10.3389/fphar.2018.00461
Pubmed ID
Authors

Mei Kee Lee, Xiaojie Li, Alvin Chee Sum Yap, Peter Chi Keung Cheung, Chon Seng Tan, Szu Ting Ng, Richard Roberts, Kang Nee Ting, Shin Yee Fung

Abstract

Lignosus rhinocerotis has a long history of use by the indigenous community within East Asia to treat a range of health conditions including asthma and chronic cough. To date, there is limited scientific evidence to support its therapeutic effects in relieving these airways conditions. In this study, we examined the effects of the different molecular weight fractions [high-molecular-weight (HMW), medium-molecular-weight (MMW), and low-molecular-weight (LMW)] obtained from the cold water sclerotial extract (CWE) of L. rhinocerotis on airways patency using airway segments isolated from Sprague Dawley rat in an organ bath set-up. It is demonstrated that the HMW and MMW fractions exhibited higher efficacy in relaxing the pre-contracted airways when compared to the CWE and LMW fraction. In addition, the HMW fraction markedly supressed carbachol-, 5-hydroxytrptamine-, and calcium-induced airway contractions. CWE demonstrated a lower efficacy than the HMW fraction but it also significantly attenuated carbachol- and calcium-induced airway contractions. Results showed that the bronchorelaxation effect of CWE and fractions is mediated via blockade of extracellular Ca2+ influx. The composition analysis revealed the following parts of carbohydrate and proteins, respectively: HMW fraction: 71 and 4%; MMW fraction: 35 and 1%; and LMW fraction: 22 and 0.3%. Our results strongly suggest that the polysaccharide-protein complex or proteins found in the HMW and MMW fractions is likely to contribute to the bronchorelaxation effect of CWE.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 10 29%
Student > Ph. D. Student 3 9%
Student > Master 3 9%
Researcher 3 9%
Student > Postgraduate 3 9%
Other 1 3%
Unknown 12 34%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 11 31%
Pharmacology, Toxicology and Pharmaceutical Science 4 11%
Nursing and Health Professions 2 6%
Chemical Engineering 1 3%
Agricultural and Biological Sciences 1 3%
Other 2 6%
Unknown 14 40%
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 07 June 2018.
All research outputs
#17,952,510
of 23,052,509 outputs
Outputs from Frontiers in Pharmacology
#7,229
of 16,381 outputs
Outputs of similar age
#237,771
of 327,914 outputs
Outputs of similar age from Frontiers in Pharmacology
#154
of 406 outputs
Altmetric has tracked 23,052,509 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 16,381 research outputs from this source. They receive a mean Attention Score of 5.0. This one is in the 48th percentile – i.e., 48% 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 327,914 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 406 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 54% of its contemporaries.