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ATP Sensitive Potassium Channels in the Skeletal Muscle Function: Involvement of the KCNJ11(Kir6.2) Gene in the Determination of Mechanical Warner Bratzer Shear Force

Overview of attention for article published in Frontiers in Physiology, May 2016
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Title
ATP Sensitive Potassium Channels in the Skeletal Muscle Function: Involvement of the KCNJ11(Kir6.2) Gene in the Determination of Mechanical Warner Bratzer Shear Force
Published in
Frontiers in Physiology, May 2016
DOI 10.3389/fphys.2016.00167
Pubmed ID
Authors

Domenico Tricarico, Maria Selvaggi, Giuseppe Passantino, Pasquale De Palo, Cataldo Dario, Pasquale Centoducati, Alessandra Tateo, Angela Curci, Fatima Maqoud, Antonietta Mele, Giulia M. Camerino, Antonella Liantonio, Paola Imbrici, Nicola Zizzo

Abstract

The ATP-sensitive K(+)-channels (KATP) are distributed in the tissues coupling metabolism with K(+) ions efflux. KATP subunits are encoded by KCNJ8 (Kir6.1), KCNJ11 (Kir6.2), ABCC8 (SUR1), and ABCC9 (SUR2) genes, alternative RNA splicing give rise to SUR variants that confer distinct physiological properties on the channel. An high expression/activity of the sarco-KATP channel is observed in various rat fast-twitch muscles, characterized by elevated muscle strength, while a low expression/activity is observed in the slow-twitch muscles characterized by reduced strength and frailty. Down-regulation of the KATP subunits of fast-twitch fibers is found in conditions characterized by weakness and frailty. KCNJ11 gene knockout mice have reduced glycogen, lean phenotype, lower body fat, and weakness. KATP channel is also a sensor of muscle atrophy. The KCNJ11 gene is located on BTA15, close to a QTL for meat tenderness, it has also a role in glycogen storage, a key mechanism of the postmortem transformation of muscle into meat. The role of KCNJ11 gene in muscle function may underlie an effect of KCNJ11 genotypes on meat tenderness, as recently reported. The fiber phenotype and genotype are important in livestock production science. Quantitative traits including meat production and quality are influenced both by environment and genes. Molecular markers can play an important role in the genetic improvement of animals through breeding strategies. Many factors influence the muscle Warner-Bratzler shear force including breed, age, feeding, the biochemical, and functional parameters. The role of KCNJ11gene and related genes on muscle tenderness will be discussed in the present review.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 19%
Student > Bachelor 5 14%
Professor > Associate Professor 4 11%
Student > Ph. D. Student 4 11%
Student > Doctoral Student 2 5%
Other 5 14%
Unknown 10 27%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 7 19%
Agricultural and Biological Sciences 6 16%
Nursing and Health Professions 3 8%
Medicine and Dentistry 3 8%
Biochemistry, Genetics and Molecular Biology 2 5%
Other 5 14%
Unknown 11 30%
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 10 May 2016.
All research outputs
#20,325,615
of 22,869,263 outputs
Outputs from Frontiers in Physiology
#9,412
of 13,661 outputs
Outputs of similar age
#259,224
of 304,990 outputs
Outputs of similar age from Frontiers in Physiology
#99
of 146 outputs
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So far Altmetric has tracked 13,661 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.6. 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 146 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.