Molecular Approach of Gossypol–induced Reproductive Toxicity in Male Rabbits. Electrophoretic Pattern of Seminal Plasma Proteins

The present study was conducted to characterise rabbit seminal plasma proteins (SP proteins) focusing on the influence of the genetic origin and seasonality. In addition, β-NGF protein quantity in SP was determined. Semen samples were recovered from January to December 2014 using 6 males belonging to genotype A and six from genotype R. For each genotype, one pooled sample at the beginning, middle and end of each season was selected to develop the experiment. A total of 24 pools (3 for each season and genetic line) were analysed. SP proteins of the two experimental groups were recovered and subjected to in-solution digestion nano LC-MS/MS and bioinformatics analysis. The resulting library included 402 identified proteins validated with ≥95% Confidence (unused Score ≥ 1.3). These data are available via ProteomeXchange with identifier PXD006308. Only 6 proteins were specifically implicated in reproductive processes according to Gene Ontology annotation. Twenty-three proteins were differentially expressed between genotypes, 11 over-expressed in genotype A and 12 in genotype R. Regarding the effect of season on rabbit SP proteome, results showed that there is no clear pattern of protein variation throughout the year. Similar β-NGF relative quantity was observed between seasons and genotypes. In conclusion, this study generates the largest library of SP proteins reported to date in rabbits and provides evidence that genotype is related to a specific abundance of SP proteins.

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Rabbit seminal plasma proteome: The importance of the genetic origin

Casares-Crespo

Fernández-Serrano

Vicente

et al. 2018

Animal Reproduction Science

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Can the Genetic Origin Affect Rabbit Seminal Plasma Protein Profile along the Year?

Casares-Crespo

Talaván

Viudes-de-Castro

2016

Reprod Domestic Animals

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The study was designed to evaluate the influence of genetic origin on rabbit seminal plasma protein profile variation along the year. Seminal plasma of rabbits from line A (maternal line) and R (paternal line) collected during a natural year was subjected to polyacrylamide gel electrophoresis (SDS-PAGE). The electrophoretic profile of rabbit seminal plasma resulted in multiple protein bands of different intensity ranging from 9 to 240 kDa. Results showed that seven protein bands were significantly different between genetic lines, and among these, three protein bands were significantly different between seasons. The differentially expressed proteins were identified by MALDI-TOF/TOF or LC-MS/MS analysis and were the following ones: FAM115E-like (220, 113 and 59 kDa), ectonucleoside triphosphate diphosphohydrolase 3 isoform X2 (72 kDa), annexin A5 (32 kDa), lipocalin allergen Ory c 4 precursor (19 kDa), and haemoglobin subunit zetalike (13 kDa) between genetic lines and FAM115E-like (113 kDa), haemoglobin subunit zetalike (13 kDa) and β-nerve growth factor (12 kDa) between seasons. These results indicate that proteins from rabbit seminal plasma are under both seasonal control and genetic control. Furthermore, the differential presence of these proteins could be one of the causes explaining the differences observed in fertility and seminal parameters between these two lines in earlier studies.

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Molecular Approach of Gossypol–induced Reproductive Toxicity in Male Rabbits. Electrophoretic Pattern of Seminal Plasma Proteins

Cited by 2 publications

References 41 publications

Rabbit seminal plasma proteome: The importance of the genetic origin

Rabbit seminal plasma proteome: The importance of the genetic origin

Can the Genetic Origin Affect Rabbit Seminal Plasma Protein Profile along the Year?

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