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Loureiro B, Ereno RL, Pupulim AGR, Tramontana MCVB, Tabosa HP, Barros CM, Favoreto MG. Genome-wide association study of Nelore and Angus heifers with low and high ovarian follicle counts. Anim Reprod 2024; 21:e20230110. [PMID: 38384724 PMCID: PMC10878542 DOI: 10.1590/1984-3143-ar2023-0110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 12/06/2023] [Indexed: 02/23/2024] Open
Abstract
The number of antral follicles is considered an important fertility trait because animals with a high follicle count (HFC) produce more oocytes and embryos per cycle. Identification of these animals by genetic markers such as single nucleotide polymorphisms (SNPs) can accelerate selection of future generations. The aim of this study was to perform a genome wide association study (GWAS) on Nelore and Angus heifers with HFC and low (LFC) antral follicle counts. The groups HFC and LFC for genotyping were formed based on the average of total follicles (≥ 3 mm) counted in each breed consistently ± standard deviation. A total of 72 Nelore heifers (32 HFC and 40 LFC) and 48 Angus heifers (21 HFC and 27 LFC) were selected and the DNA was extracted from blood and hair bulb. Genotyping was done using the Illumina Bovine HD 770K BeadChip. The GWAS analysis showed 181 and 201 SNPs with genotype/phenotype association (P ≤ 0.01) in Nelore and Angus heifers, respectively. Functional enrichment analysis was performed on candidate genes that were associated with SNPs. A total of 97 genes were associated to the 181 SNPs in the Nelore heifers and the functional analysis identified genes (ROBO1 and SLIT3) in the ROBO-SLIT pathway that can be involved in the control of germ cell migration in the ovary as it is involved in lutheal cell migration and fetal ovary development. In the Angus heifers, 57 genes were associated with the 201 SNPs, highlighting Fribilin 1 (FBN1) gene, involved in regulation of growth factors directly involved in follicle activation and development. In summary, GWAS for Nelore and Angus heifers showed SNPs associated with higher follicle count phenotype. Furthermore, these findings offer valuable insights for the further investigation of potential mechanism involved in follicle formation and development, important for breeding programs for both breeds.
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Affiliation(s)
- Bárbara Loureiro
- Laboratório de Fisiologia da Reprodução Animal, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil
| | - Ronaldo Luiz Ereno
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Botucatu, SP, Brasil
| | | | | | - Henrique Passos Tabosa
- Laboratório de Fisiologia da Reprodução Animal, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil
| | - Ciro Moraes Barros
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Botucatu, SP, Brasil
| | - Maurício Gomes Favoreto
- Laboratório de Fisiologia da Reprodução Animal, Universidade Vila Velha - UVV, Vila Velha, ES, Brasil
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista - UNESP, Botucatu, SP, Brasil
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Franchi FF, Satrapa RA, Fontes PK, Santos PH, Razza EM, Emanuelli IP, Ereno RL, Mareco EA, Nogueira MFG, Barros CM, de Souza Castilho AC. Equine chorionic gonadotropin drives the transcriptional profile of immature cumulus-oocyte complexes and in vitro-produced blastocysts of superstimulated Nelore cows. Mol Reprod Dev 2019; 86:1639-1651. [PMID: 31389116 DOI: 10.1002/mrd.23251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 07/13/2019] [Indexed: 12/30/2022]
Abstract
Studies have shown that the use of equine chorionic gonadotropin (eCG), which binds both follicle stimulating hormone (FSH) and luteinizing hormone (LH) receptors, could modify the female reproductive tract. We, thus, aimed to quantify the messenger RNA (mRNA) abundance of genes related to cumulus-oocyte complexes (COCs) and embryo quality in Nelore cows (Bos taurus indicus) submitted to ovarian superstimulation using only FSH (FSH group; n = 10) or replacement of the last two doses of FSH by eCG (FSH/eCG group; n = 10). All animals were slaughtered and the ovarian antral follicles from both groups (10-14 mm in diameter) were aspirated for cumulus, oocyte and in vitro embryo production gene expression analysis. The relative mRNA abundance of 96 genes related to COCs development and embryo quality was measured by RT-qPCR. We found that oocytes are more affected by eCG use and that 35 genes involved in lipid metabolism, oxidative stress, transcriptional control, and cellular development were upregulated in the FSH/eCG group. In blastocysts, lipid metabolism seems to be the main pathway regulated by eCG use. We suggest that these multiple effects could be due to the ability of eCG to bind LHR and FSHR, which could activate multiple signal transduction pathways in the superstimulated ovary, further impacting the transcriptional profile of COCs and blastocysts.
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Affiliation(s)
- Fernanda Fagali Franchi
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Rafael Augusto Satrapa
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Patrícia Kubo Fontes
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Priscila Helena Santos
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Eduardo Montanari Razza
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Isabele Picada Emanuelli
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | - Ronaldo Luiz Ereno
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
| | | | | | - Ciro Moraes Barros
- Departamento de Farmacologia, Universidade Estadual Paulista (UNESP), Botucatu, São Paulo, Brazil
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Castilho ACS, Price CA, Dalanezi F, Ereno RL, Machado MF, Barros CM, Gasperin BG, Gonçalves PBD, Buratini J. Evidence that fibroblast growth factor 10 plays a role in follicle selection in cattle. Reprod Fertil Dev 2018. [PMID: 26194863 DOI: 10.1071/rd15017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
There is evidence that regulation of follicle selection in cattle involves locally produced growth factors. In the present study, we investigated the expression of members of the fibroblast growth factor (FGF) 7 family during follicle deviation. The largest and second largest follicles were recovered during the second day of a synchronised follicle wave and the future dominant and future subordinate follicles were identified based on diameter and cytochrome P450, family 19, subfamily A, polypeptide 1 (CYP19A1) mRNA levels in granulosa cells. Theca cells of the future dominant follicle contained less mRNA encoding FGF7 and FGF10 compared with those from the future subordinate follicle 2.5 days after ovulation, before a significant difference between the diameters of the future dominant and future subordinate follicles could be observed, but FGF22 mRNA levels did not change. Levels of mRNA encoding FGF receptors FGFR1B and FGFR2B in theca and granulosa cells, respectively, were lower in the future dominant follicle compared with the future subordinate follicle. Addition of FGF10 to granulosa cells in vitro significantly decreased oestradiol secretion, as well as CYP19A1, FSH receptor (FSHR) and insulin-like growth factor 1 receptor (IGF1R) mRNA abundance, whereas FGF22 had no effect. We conclude that FGF10 and FGFR2B expression is increased in the future subordinate follicle before morphological deviation, which may contribute to follicle selection.
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Affiliation(s)
- A C S Castilho
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista, Botucatu, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
| | - C A Price
- Centre de recherche en reproduction animale, Faculté de médecine vétérinaire, Université de Montréal, 3200 Sicotte, Saint-Hyacinthe, Québec J2S 7C6, Canada
| | - F Dalanezi
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista, Botucatu, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
| | - R L Ereno
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista, Botucatu, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
| | - M F Machado
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista, Botucatu, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
| | - C M Barros
- Departamento de Farmacologia, Instituto de Biociências, Universidade Estadual Paulista, Botucatu, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
| | - B G Gasperin
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Avenida Roraima 1000, Santa Maria, Rio Grande do Sul 97105-900, Brasil
| | - P B D Gonçalves
- Laboratório de Biotecnologia e Reprodução Animal, Universidade Federal de Santa Maria, Avenida Roraima 1000, Santa Maria, Rio Grande do Sul 97105-900, Brasil
| | - J Buratini
- Departamento de Fisiologia, Instituto de Biociências, Universidade Estadual Paulista, Distrito de Rubião Junior, Botucatu, São Paulo 18618-970, Brasil
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Ereno RL, Loureiro B, Castilho ACS, Machado MF, Pegorer MF, Satrapa RA, Nogueira MFG, Buratini J, Barros CM. Expression of mRNA Encoding the LH Receptor (LHR) and LHR Binding Protein in Granulosa Cells from Nelore (Bos indicus) Heifers Around Follicle Deviation. Reprod Domest Anim 2015; 50:952-7. [DOI: 10.1111/rda.12614] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 08/26/2015] [Indexed: 11/29/2022]
Affiliation(s)
- RL Ereno
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - B Loureiro
- Laboratory of Animal Reproductive Physiology; University of Vila Velha (UVV); Vila Velha Espírito Santo Brazil
| | - ACS Castilho
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - MF Machado
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - MF Pegorer
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - RA Satrapa
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - MFG Nogueira
- Department of Biology Science; University of São Paulo State; Assis São Paulo Brazil
| | - J Buratini
- Department of Physiology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
| | - CM Barros
- Department of Pharmacology; Institute of Bioscience; University of São Paulo State; Botucatu São Paulo Brazil
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Sartori R, Bastos MR, Baruselli PS, Gimenes LU, Ereno RL, Barros CM. Physiological differences and implications to reproductive management of Bos taurus and Bos indicus cattle in a tropical environment. Soc Reprod Fertil Suppl 2011; 67:357-75. [PMID: 21755684 DOI: 10.7313/upo9781907284991.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Abstract
In the current review the main fundamental biological differences in reproductive function between Bos taurus and Bos indicus cattle are discussed. Breed differences regarding puberty, estrous cycle patterns, estrous behavior, acquisition of ovulatory capacity, ovarian structures and reproductive hormones are presented. The main physiological differences that Bos indicus cattle present relative to Bos taurus cattle include: delayed age at puberty; higher circulating concentrations of hormones such as estradiol, progesterone, insulin and IGF-I, despite having smaller ovulatory follicle size and corpora lutea; greater population of small follicles and smaller size of the dominant follicle at deviation; and greater sensitivity of follicles to gonadotropins. Knowledge of the differences between Bos indicus and Bos taurus breeds help explain different management procedures and responses to hormonal treatments associated with artificial insemination, ovarian superstimulation, and in vivo and in vitro embryo production.
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Affiliation(s)
- R Sartori
- Department of Animal Science, ESALQ, University of São Paulo (USP), Piracicaba, SP, Brazil 13418-900.
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Satrapa RA, Pinheiro VG, Ereno RL, Membrive CMB, Piagentini M, Binelli M, Barros CM. 13,14-Dihydro-15-keto prostaglandin F2α release in response to oxytocin challenge early post-partum in anoestrous Nelore cows submitted to temporary calf removal and progesterone priming. Reprod Domest Anim 2009; 45:881-7. [PMID: 19392666 DOI: 10.1111/j.1439-0531.2009.01403.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The study evaluated, in early post-partum anoestrous Nelore cows, if the increase in plasma oestradiol (E2) concentrations in the pre-ovulatory period and/or progesterone priming (P4 priming) preceding ovulation, induced by hormonal treatment, reduces the endogenous release of prostaglandin PGF(2)α and prevents premature lysis of the corpus luteum (CL). Nelore cows were subjected to temporary calf removal for 48 h and divided into two groups: GPE/eCG group (n = 10) and GPG/eCG group (n = 10). Animals of the GPE/eCG group were treated with a GnRH agonist. Seven days later, they received 400 IU of eCG, immediately after PGF(2)α treatment, and on day 0, 1.0 mg of oestradiol benzoate (EB). Cows of the GPG/eCG group were similarly treated as those of the GPE/eCG group, except that EB was replaced with a second dose of GnRH. All animals were challenged with oxytocin (OT) 9, 12, 15 and 18 days after EB or GnRH administration and blood samples were collected before and 30 min after OT. Irrespective of the treatments, a decline in P4 concentration on day 18 was observed for cows without P4 priming. However, animals exposed to P4 priming, treated with EB maintained high P4 concentrations (8.8 ± 1.2 ng/ml), whereas there was a decline in P4 on day 18 (2.1 ± 1.0 ng/ml) for cows that received GnRH to induce ovulation (p < 0.01). Production of 13,14-dihydro-15-keto prostaglandin F(2)α (PGFM) in response to OT increased between days 9 and 18 (p < 0.01), and this increase tended to be more evident in animals not exposed to P4 priming (p < 0.06). In conclusion, the increase in E2 during the pre-ovulatory period was not effective in inhibiting PGFM release, which was lower in P4-primed than in non-primed animals. Treatment with EB promoted the maintenance of elevated P4 concentrations 18 days after ovulation in P4-primed animals, indicating a possible beneficial effect of hormone protocols containing EB in animals with P4 priming.
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Affiliation(s)
- R A Satrapa
- Department of Animal Reproduction, University of Sao Paulo State, Botucatu, Sao Paulo, Brazil
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