Thermoprotective molecules: Effect of insulin-like growth factor type I (IGF-1) in cattle oocytes exposed to high temperatures

Barrera, Samia S.; Naranjo-Gómez, Juan S; Rondón‐Barragán, Iang Schroniltgen

doi:10.1016/j.heliyon.2023.e14375

Heliyon

2023

DOI: 10.1016/j.heliyon.2023.e14375

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Thermoprotective molecules: Effect of insulin-like growth factor type I (IGF-1) in cattle oocytes exposed to high temperatures

Samia S. Barrera¹,

Juan S Naranjo-Gómez²,

Iang Schroniltgen Rondón‐Barragán³

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2024

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Cited by 2 publications

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Epigen enhances the developmental potential of in vitro fertilized embryos by improving cytoplasmic maturation

Biswas,

Yoon,

Mishra

et al. 2024

Theriogenology

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Epigen enhances the developmental potential of in vitro fertilized embryos by improving cytoplasmic maturation

Biswas,

Yoon,

Mishra

et al. 2024

Theriogenology

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The Anti-Müllerian Hormone as Endocrine and Molecular Marker Associated with Reproductive Performance in Holstein Dairy Cows Exposed to Heat Stress

Contreras-Méndez,

Medrano,

Thomas

et al. 2024

Animals

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Anti-Müllerian hormone (AMH) is proposed as a biomarker for fertility in cattle, yet this associative relationship appears to be influenced by heat stress (HS). The objective was to test serum AMH and AMH-related single nucleotide polymorphisms (SNPs) as markers potentially predictive of reproductive traits in dairy cows experiencing HS. The study included 300 Holstein cows that were genotyped using BovineSNP50 (54,000 SNP). A genome-wide association study was then executed. Nine intragenic SNPs within the pathways that influence the AMH gene were found important with multiple comparisons adjustment tests (p < 1.09 × 10−6). A further validation study was performed in an independent Holstein cattle population, which was divided into moderate (MH; n = 152) and severe heat-stressed (SH; n = 128) groups and then subjected to a summer reproductive management program. Serum AMH was confirmed as a predictor of fertility measures (p < 0.05) in MH but not in the SH group. Cows were genotyped, which revealed four SNPs as predictive markers for serum AMH (p < 0.01), reproductive traits (p < 0.01), and additional physiological variables (p < 0.05). These SNPs were in the genes AMH, IGFBP1, LGR5, and TLR4. In conclusion, serum AMH concentrations and AMH polymorphisms are proposed as predictive markers that can be used in conjunction with genomic breeding value approaches to improve reproductive performance in Holstein cows exposed to summer HS conditions.

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Thermoprotective molecules: Effect of insulin-like growth factor type I (IGF-1) in cattle oocytes exposed to high temperatures

Cited by 2 publications

References 130 publications

Epigen enhances the developmental potential of in vitro fertilized embryos by improving cytoplasmic maturation

Epigen enhances the developmental potential of in vitro fertilized embryos by improving cytoplasmic maturation

The Anti-Müllerian Hormone as Endocrine and Molecular Marker Associated with Reproductive Performance in Holstein Dairy Cows Exposed to Heat Stress

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