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Effect of arginine-induced motility and capacitation on RNA population in goat spermatozoa

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Abstract

Introduction:

In vitro capacitation is essential in assisted reproductive technologies (ART) for embryo production. Recently, arginine has been proven to enhance capacitation in mammalian spermatozoa. However, the detailed mechanism of action of arginine remains elusive.

Aim:

This study investigated the effect of arginine-induced capacitation and motility enhancement on the spermatozoal RNA (spRNA) population in goats.

Material and methods:

Goat spermatozoa were treated with arginine for up to six hours and compared with non-treated or PHE (penicillamine, hypotaurine, and epinephrine)-treated spermatozoa at different intervals (0, 1, 2, 4, and 6 hours). Sperm parameters, including viability, individual motility, capacitation, acrosome reaction, and ROS production, were evaluated. The spRNA population was analyzed by short-read RNA sequencing (RNA-seq).

Results:

The percentage of capacitated (73.21 ± 4.22%) and acrosome reacted (18.35 ± 0.56%) spermatozoa was highest in arginine treatment, while PHE treatment showed the highest percentage (79.82 ± 4.31%) of motile spermatozoa from 0 to 4 hours of incubation. RNA-seq analysis identified 1,321 differentially expressed genes (DEGs) in arginine-treated spermatozoa compared to the control. The PGK2, RNASE10, ODF1, and ROPN1L genes involved in sperm motility and ACR, DKKL1, KCNJ11, and PRND genes involved in the capacitation process were upregulated in arginine-treated spermatozoa. The DEGs regulate sperm capacitation-related cAMP-PKA, PI3-Akt, calcium, and MAPK signaling pathways.

Conclusion:

The arginine-induced capacitation and enhanced sperm motility were associated with the upregulation of several genes involved in sperm motility and capacitation pathways. The comparative study also suggests that arginine may be used in lieu of PHE for motility enhancement and in vitro capacitation of goat spermatozoa.

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Acknowledgements

This research project was performed at the Department of Biotechnology and Medical Engineering, National Institute of Technology, Rourkela.

Funding

This work was supported by a grant (#BT/PR40124/BTIS/137/14/2021) from the Department of Biotechnology, Government of India.

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Authors and Affiliations

Authors

Contributions

BS: Designed and performed the experiments, analyzed the data, and wrote the manuscript. MKG: Provided resources, supervised the work, and finalized and approved the manuscript.

Corresponding author

Correspondence to Mukesh Kumar Gupta.

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Conflict of interest

The authors declare that they have no conflict of interest.

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The authors have no competing interests to declare that are relevant to the content of this article.

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This article does not contain any studies with human participants performed by authors.

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Not applicable.

Compliance with ethical standards

All the experiments on abattoir-derived testes samples were performed according to National guidelines of the Committee for the Purpose of Control and Supervision on Experiments on Animals (CPCSEA) of the Ministry of Fisheries, Animal Husbandry and Dairying, Government of India.

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This article does not contain any studies with human participants performed by any authors.

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Sahoo, B., Gupta, M.K. Effect of arginine-induced motility and capacitation on RNA population in goat spermatozoa. Vet Res Commun 47, 1427–1444 (2023). https://doi.org/10.1007/s11259-023-10092-3

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  • DOI: https://doi.org/10.1007/s11259-023-10092-3

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