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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Cellular Reprogrammi...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Cellular Reprogramming
Article . 2025 . Peer-reviewed
License: Mary Ann Liebert TDM
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Editing the CYP19 Gene in Goat Embryos Using CRISPR/Cas9 and Somatic Cell Nuclear Transfer Techniques

Authors: Ahmad Pirali; Farnoosh Jafarpour; Mehdi Hajian; Seyed Hossein Hosseini Moghaddam; Reza Moradi; Nima Tanhaie-vash; Mohsen Rahimi Andani; +6 Authors

Editing the CYP19 Gene in Goat Embryos Using CRISPR/Cas9 and Somatic Cell Nuclear Transfer Techniques

Abstract

The Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR/Cas9) system is revolutionizing genome engineering and is expected to bring significant advancements in livestock traits, including the treatment of genetic diseases. This study focuses on CRISPR/Cas9-mediated modifications of the CYP19 gene, which encodes aromatase, an enzyme crucial for converting testosterone to estrogen and essential for steroid metabolism. Guide RNAs (gRNAs) were designed to target the CYP19 gene and cloned into the pX459 vector. The recombinant plasmid was then electrotransfected into fibroblast cells from a Lori-Bakhtiari buck, and these transfected cells were used for embryo production via somatic cell nuclear transfer (SCNT). The cloned embryos were evaluated for their progression through embryonic stages, showing no significant difference in blastocyst development between knock-out and unedited groups. The knockout efficiency was 78.4% in cells and 68.9% in goat blastocysts, demonstrating the successful depletion of CYP19. We successfully achieved a high rate of CYP19 gene-edited embryos through the combined application of cell electrotransfection and SCNT technologies, while maintaining the normal developmental rate of the embryos. These embryos can be used for transfer to generate knock-out goats, providing a foundation for further studies on CYP19's role in male fertility and production traits.

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Keywords

Gene Editing, Male, Nuclear Transfer Techniques, Gene Knockout Techniques, Aromatase, Blastocyst, Goats, Cloning, Organism, Animals, Embryonic Development, Female, CRISPR-Cas Systems, Embryo, Mammalian

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Top 10%
Average
Average
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