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Development and validation of an assay for measurement of leptin in pig saliva

Overview of attention for article published in BMC Veterinary Research, October 2016
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Title
Development and validation of an assay for measurement of leptin in pig saliva
Published in
BMC Veterinary Research, October 2016
DOI 10.1186/s12917-016-0871-9
Pubmed ID
Authors

Elizabeth M. S. Schmidt, Damián Escribano, Silvia Martinez-Subiela, Silvia Martinez-Miró, Fuensanta Hernández, Asta Tvarijonaviciute, José J. Cerón, Fernando Tecles

Abstract

Leptin has been measured in human in saliva samples. However, the low leptin concentration found in this biological fluid makes necessary the use of high sensitive methods. To the authors' knowledge, leptin has not been measured in porcine saliva. This study aimed to develop and validate a time-resolved immunofluorometric assay (TR-IFMA) for salivary leptin measurements in pigs, using a species-specific antibody, and to evaluate how salivary leptin changes with body weight, food ingestion, and in experimental models of stress and inflammation. Polyclonal antibodies were produced in rabbits immunized with recombinant porcine leptin and used to develop a sandwich TR-IFMA. The method had intra-assay and inter-assay coefficients of variation lower than 10 and 16 %, respectively. The assay was accurate and the low limit of detection allowed detection of leptin in all analyzed samples. Salivary leptin concentration was positively correlated to body weight (r = 0.58, P = 0.01) and increased after food ingestion (P < 0.001) and after 24 h of applying a model of experimental inflammation by turpentine injection (P < 0.05). However, it did not significantly change after a model of acute stress consisting of a nose snare restraining. These results indicate that the developed assay can measure leptin in porcine saliva in a reliable way and that leptin in saliva is influenced by body weight, food ingestion and inflammation.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Croatia 1 6%
Unknown 16 94%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 18%
Lecturer 2 12%
Researcher 2 12%
Student > Ph. D. Student 2 12%
Student > Doctoral Student 1 6%
Other 3 18%
Unknown 4 24%
Readers by discipline Count As %
Veterinary Science and Veterinary Medicine 7 41%
Agricultural and Biological Sciences 3 18%
Biochemistry, Genetics and Molecular Biology 2 12%
Pharmacology, Toxicology and Pharmaceutical Science 1 6%
Neuroscience 1 6%
Other 1 6%
Unknown 2 12%
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 09 December 2016.
All research outputs
#18,490,948
of 22,912,409 outputs
Outputs from BMC Veterinary Research
#1,927
of 3,057 outputs
Outputs of similar age
#237,039
of 313,744 outputs
Outputs of similar age from BMC Veterinary Research
#34
of 54 outputs
Altmetric has tracked 22,912,409 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,057 research outputs from this source. They receive a mean Attention Score of 3.9. This one is in the 20th percentile – i.e., 20% of its peers scored the same or lower than it.
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We're also able to compare this research output to 54 others from the same source and published within six weeks on either side of this one. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.