Amino Acids of Seminal Plasma Associated With Freezability of Bull Sperm.
amino acids
bull sperm
freezability
metabolomics
seminal plasma
Journal
Frontiers in cell and developmental biology
ISSN: 2296-634X
Titre abrégé: Front Cell Dev Biol
Pays: Switzerland
ID NLM: 101630250
Informations de publication
Date de publication:
2019
2019
Historique:
received:
01
07
2019
accepted:
03
12
2019
entrez:
30
1
2020
pubmed:
30
1
2020
medline:
30
1
2020
Statut:
epublish
Résumé
Sperm cryopreservation is an important technique for fertility management, but post-thaw viability of sperm differs among breeding bulls. With metabolites being the end products of various metabolic pathways, the contributions of seminal plasma metabolites to sperm cryopreservation are still unknown. These gaps in the knowledge base are concerning because they prevent advances in the fundamental science of cryobiology and improvement of bull fertility. The objective of this study was to test the hypothesis that seminal plasma amino acids are associated with freezability of bull sperm. To accomplish this objective, amino acid concentrations in seminal plasma from seven bulls of good freezability (GF) and six bulls of poor freezability (PF) were quantified using gas chromatography-mass spectrometry (GC-MS). Multivariate and univariate analyses were performed to identify potential freezability biomarkers. Pathways and networks analyses of identified amino acids were performed using bioinformatic tools. By analyzing and interpreting the results we demonstrated that glutamic acid was the most abundant amino acid in bull seminal plasma with average concentration of 3,366 ± 547.3 nM, which accounts for about 53% of total amino acids. The other most predominant amino acids were alanine, glycine, and aspartic acid with the mean concentrations of 1,053 ± 187.9, 429.8 ± 57.94, and 427 ± 101.3 nM. Pearson's correlation analysis suggested that phenylalanine concentration was significantly associated with post-thaw viability (
Identifiants
pubmed: 31993417
doi: 10.3389/fcell.2019.00347
pmc: PMC6970951
doi:
Types de publication
Journal Article
Langues
eng
Pagination
347Informations de copyright
Copyright © 2020 Ugur, Dinh, Hitit, Kaya, Topper, Didion and Memili.
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