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Saraiva HFRDA, Sangalli JR, Alves L, da Silveira JC, Meirelles FV, Perecin F. NPPC and AREG supplementation in IVM systems alter mRNA translation and decay programs-related gene expression in bovine COC. Anim Reprod 2024; 21:e20230101. [PMID: 39021501 PMCID: PMC11253787 DOI: 10.1590/1984-3143-ar2023-0101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 04/29/2024] [Indexed: 07/20/2024] Open
Abstract
During oocyte meiosis resumption, a coordinated program of transcript translation and decay machinery promotes a remodeling of mRNA stores, which determines the success of the acquisition of competence and early embryo development. We investigated levels of two genes related to mRNA translation (CPEB1 and CPEB4) and two related to mRNA degradation (CNOT7 and ZFP36L2) machinery and found ZFP36L2 downregulated in in vitro-matured bovine oocytes compared to in vivo counterparts. Thereafter, we tested the effects of a pre-IVM step with NPPC and a modified IVM with AREG on the modulation of members of mRNA translation and degradation pathways in cumulus cells and oocytes. Our data showed a massive upregulation of genes associated with translational and decay processes in cumulus cells, promoted by NPPC and AREG supplementation, up to 9h of IVM. The oocytes were less affected by NPPC and AREG, and even though ZFP36L2 transcript and protein levels were downregulated at 9 and 19h of IVM, only one (KDM4C) from the ten target genes evaluated was differently expressed in these treatments. These data suggest that cumulus cells are more prone to respond to NPPC and AREG supplementation in vitro, regarding translational and mRNA decay programs. Given the important nursing role of these cells, further studies could contribute to a better understanding of the impact of these modulators in maternal mRNA modulation and improve IVM outcomes.
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Affiliation(s)
| | - Juliano Rodrigues Sangalli
- Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Luana Alves
- Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Juliano Coelho da Silveira
- Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Flávio Vieira Meirelles
- Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Universidade de São Paulo, Pirassununga, SP, Brasil
| | - Felipe Perecin
- Faculdade de Zootecnia e Engenharia de Alimentos, Departamento de Medicina Veterinária, Universidade de São Paulo, Pirassununga, SP, Brasil
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López Angulo D, Lourenço RV, Bridi A, Chaves MA, da Silveira JC, Sobral PJDA. Enhancing Bovine Embryo Development In Vitro Using Oil-in-Water Nanoemulsions as Specific Carriers for Essential Lipids. BIOTECH 2024; 13:19. [PMID: 38921051 PMCID: PMC11201380 DOI: 10.3390/biotech13020019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/20/2024] [Accepted: 05/30/2024] [Indexed: 06/27/2024] Open
Abstract
Worldwide meat consumption and production have nearly quintupled in the last 60 years. In this context, research and the application of new technologies related to animal reproduction have evolved in an accelerated way. The objective of the present study was to apply nanoemulsions (NEs) as carriers of lipids to feed bovine embryos in culture media and verify their impact on the development of embryos produced in vitro. The NEs were characterized by particle size, polydispersity, size distribution, physical stability, morphology using atomic force microscopy (AFM), surface tension, density, pH, and rheological behavior. The NEs were prepared by the emulsification/evaporation technique. A central composite rotatable design (CCRD) was used to optimize the NE fabrication parameters. The three optimized formulations used in the embryo application showed an emulsion stability index (ESI) between 0.046 and 0.086, which reflects high stability. The mean droplet diameter analyzed by laser diffraction was approximately 70-80 nm, suggesting a possible transit across the embryonic zona pellucida with pores of an average 90 nm in diameter. AFM images clearly confirm the morphology of spherical droplets with a mean droplet diameter of less than 100 nm. The optimized formulations added during the higher embryonic genome activation phase in bovine embryos enhanced early embryonic development.
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Affiliation(s)
- Daniel López Angulo
- Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil
| | - Rodrigo Vinicius Lourenço
- Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil
| | - Alessandra Bridi
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil; (A.B.)
| | - Matheus Andrade Chaves
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil; (A.B.)
| | - Juliano Coelho da Silveira
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil; (A.B.)
| | - Paulo José do Amaral Sobral
- Department of Food Engineering, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga 13635-900, SP, Brazil
- Food Research Center (FoRC), University of São Paulo, São Paulo 05508-000, SP, Brazil
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He Y, Cheng X, Zhou T, Li D, Peng J, Xu Y, Huang W. β-Hydroxybutyrate as an epigenetic modifier: Underlying mechanisms and implications. Heliyon 2023; 9:e21098. [PMID: 37928021 PMCID: PMC10623287 DOI: 10.1016/j.heliyon.2023.e21098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 09/09/2023] [Accepted: 10/16/2023] [Indexed: 11/07/2023] Open
Abstract
Previous studies have found that β-Hydroxybutyrate (BHB), the main component of ketone bodies, is of physiological importance as a backup energy source during starvation or induces diabetic ketoacidosis when insulin deficiency occurs. Ketogenic diets (KD) have been used as metabolic therapy for over a hundred years, it is well known that ketone bodies and BHB not only serve as ancillary fuel substituting for glucose but also induce anti-oxidative, anti-inflammatory, and cardioprotective features via binding to several target proteins, including histone deacetylase (HDAC), or G protein-coupled receptors (GPCRs). Recent advances in epigenetics, especially novel histone post-translational modifications (HPTMs), have continuously updated our understanding of BHB, which also acts as a signal transduction molecule and modification substrate to regulate a series of epigenetic phenomena, such as histone acetylation, histone β-hydroxybutyrylation, histone methylation, DNA methylation, and microRNAs. These epigenetic events alter the activity of genes without changing the DNA structure and further participate in the pathogenesis of related diseases. This review focuses on the metabolic process of BHB and BHB-mediated epigenetics in cardiovascular diseases, diabetes and complications of diabetes, neuropsychiatric diseases, cancers, osteoporosis, liver and kidney injury, embryonic and fetal development, and intestinal homeostasis, and discusses potential molecular mechanisms, drug targets, and application prospects.
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Affiliation(s)
- Yanqiu He
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
| | - Xi Cheng
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
| | - Tingting Zhou
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
| | - Dongze Li
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
| | - Juan Peng
- Department of Rehabilitation, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Yong Xu
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
| | - Wei Huang
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China
- Metabolic Vascular Diseases Key Laboratory of Sichuan Province, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Nephropathy, Luzhou, Sichuan, 646000, China
- Sichuan Clinical Research Center for Diabetes and Metabolic Diseases, Luzhou, Sichuan, 646000, China
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Tsusaka T, Oses-Prieto JA, Lee C, DeFelice BC, Burlingame AL, Goldberg EL. Non-specific recognition of histone modifications by H3K9bhb antibody. iScience 2023; 26:107235. [PMID: 37485368 PMCID: PMC10362303 DOI: 10.1016/j.isci.2023.107235] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/04/2023] [Accepted: 06/23/2023] [Indexed: 07/25/2023] Open
Abstract
Ketone bodies are short-chain fatty acids produced in the liver during periods of limited glucose availability that provide an alternative energy source for the brain, heart, and skeletal muscle. Beyond this metabolic role, β-hydroxybutyrate (BHB), is gaining recognition as a signaling molecule. Lysine β-hydroxybutyrylation (Kbhb) is a newly discovered post-translational modification in which BHB is covalently attached to lysine ε-amino groups. This protein adduct is metabolically sensitive, dependent on BHB concentration, and found on proteins in multiple intracellular compartments. Therefore, Kbhb is hypothesized to be an important component of ketone body-regulated physiology. Kbhb on histones is proposed to be an epigenetic regulator, which links metabolic alterations to gene expression. However, we found that the widely used antibody against β-hydroxybutyrylated lysine 9 on histone H3 (H3K9bhb) also recognizes other modification(s) that likely include acetylation. Therefore, caution must be used when interpreting gene regulation data acquired with the H3K9bhb antibody.
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Affiliation(s)
- Takeshi Tsusaka
- Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Juan A. Oses-Prieto
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Christina Lee
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720, USA
| | | | - Alma L. Burlingame
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Emily L. Goldberg
- Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA
- Chan-Zuckerberg Biohub, San Francisco, CA 94158, USA
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Tsusaka T, Oses-Prieto JA, Lee C, DeFelice BC, Burlingame AL, Goldberg E. Non-specific recognition of histone modifications by H3K9bhb antibody. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.12.536655. [PMID: 37090555 PMCID: PMC10120668 DOI: 10.1101/2023.04.12.536655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Ketone bodies are short chain fatty acids produced in the liver during periods of limited glucose availability that provide an alternative source of energy for the brain, heart, and skeletal muscle. Beyond this classical metabolic role, β-hydroxybutyrate (BHB), is gaining recognition as a pleiotropic signaling molecule. Lysine β-hydroxybutyrylation (Kbhb) is a newly discovered post-translational modification in which BHB is covalently attached to lysine ε-amino groups. This novel protein adduct is metabolically sensitive, dependent on BHB concentration, and found on proteins in multiple intracellular compartments, including the mitochondria and nucleus. Therefore, Kbhb is hypothesized to be an important component of ketone body-regulated physiology. Kbhb on histones is proposed to be an epigenetic regulator, which links metabolic alterations to gene expression. However, we found that the widely used antibody against the β-hydroxybutyrylated lysine 9 on histone H3 (H3K9bhb) also recognizes other modification(s), which are increased by deacetylation inhibition and include likely acetylations. Therefore, caution must be used when interpreting gene regulation data acquired with the H3K9bhb antibody.
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Affiliation(s)
- Takeshi Tsusaka
- Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Juan A. Oses-Prieto
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Christina Lee
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720
| | | | - Alma L. Burlingame
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Emily Goldberg
- Department of Physiology, University of California, San Francisco, San Francisco, CA 94158, USA
- Chan-Zuckerberg Biohub, San Francisco, CA 94158 USA
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Whatley EG, Truong TT, Wilhelm D, Harvey AJ, Gardner DK. β-hydroxybutyrate reduces blastocyst viability via trophectoderm-mediated metabolic aberrations in mice. Hum Reprod 2022; 37:1994-2011. [PMID: 35856159 PMCID: PMC9433850 DOI: 10.1093/humrep/deac153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/31/2022] [Indexed: 11/15/2022] Open
Abstract
STUDY QUESTION What is the effect of the ketone β-hydroxybutyrate (βOHB) on preimplantation mouse embryo development, metabolism, epigenetics and post-transfer viability? SUMMARY ANSWER In vitro βOHB exposure at ketogenic diet (KD)-relevant serum concentrations significantly impaired preimplantation mouse embryo development, induced aberrant glycolytic metabolism and reduced post-transfer fetal viability in a sex-specific manner. WHAT IS KNOWN ALREADY A maternal KD in humans elevates gamete and offspring βOHB exposure during conception and gestation, and in rodents is associated with an increased time to pregnancy, and altered offspring organogenesis, post-natal growth and behaviour, suggesting a developmental programming effect. In vitro exposure to βOHB at supraphysiological concentrations (8–80 mM) perturbs preimplantation mouse embryo development. STUDY DESIGN, SIZE, DURATION A mouse model of embryo development and viability was utilized for this laboratory-based study. Embryo culture media were supplemented with βOHB at KD-relevant concentrations, and the developmental competence, physiology, epigenetic state and post-transfer viability of in vitro cultured βOHB-exposed embryos was assessed. PARTICIPANTS/MATERIALS, SETTING, METHODS Mouse embryos were cultured in vitro with or without βOHB at concentrations representing serum levels during pregnancy (0.1 mM), standard diet consumption (0.25 mM), KD consumption (2 mM) and diabetic ketoacidosis (4 mM). The impact of βOHB exposure on embryo development (blastocyst formation rate, morphokinetics and blastocyst total, inner cell mass and trophectoderm (TE) cell number), physiology (redox state, βOHB metabolism, glycolytic metabolism), epigenetic state (histone 3 lysine 27 β-hydroxybutyrylation, H3K27bhb) and post-transfer viability (implantation rate, fetal and placental development) was assessed. MAIN RESULTS AND THE ROLE OF CHANCE All βOHB concentrations tested slowed embryo development (P < 0.05), and βOHB at KD-relevant serum levels (2 mM) delayed morphokinetic development, beginning at syngamy (P < 0.05). Compared with unexposed controls, βOHB exposure reduced blastocyst total and TE cell number (≥0.25 mM; P < 0.05), reduced blastocyst glucose consumption (2 mM; P < 0.01) and increased lactate production (0.25 mM; P < 0.05) and glycolytic flux (0.25 and 2 mM; P < 0.01). Consumption of βOHB by embryos, mediated via monocarboxylate transporters, was detected throughout preimplantation development. Supraphysiological (20 mM; P < 0.001), but not physiological (0.25–4 mM) βOHB elevated H3K27bhb levels. Preimplantation βOHB exposure at serum KD levels (2 mM) reduced post-transfer viability. Implantation and fetal development rates of βOHB-treated embryos were 50% lower than controls (P < 0.05), and resultant fetuses had a shorter crown-rump length (P < 0.01) and placental diameter (P < 0.05). A strong sex-specific effect of βOHB was detected, whereby female fetuses from βOHB-treated embryos weighed less (P < 0.05), had a shorter crown-rump length (P < 0.05), and tended to have accelerated ear development (P < 0.08) compared with female control fetuses. LIMITATIONS, REASONS FOR CAUTION This study only assessed embryo development, physiology and viability in a mouse model utilizing in vitro βOHB exposure; the impact of in vivo exposure was not assessed. The concentrations of βOHB utilized were modelled on blood/serum levels as the true oviduct and uterine concentrations are currently unknown. WIDER IMPLICATIONS OF THE FINDINGS These findings indicate that the development, physiology and viability of mouse embryos is detrimentally impacted by preimplantation exposure to βOHB within a physiological range. Maternal diets which increase βOHB levels, such as a KD, may affect preimplantation embryo development and may therefore impair subsequent viability and long-term health. Consequently, our initial observations warrant follow-up studies in larger human populations. Furthermore, analysis of βOHB concentrations within human and rodent oviduct and uterine fluid under different nutritional states is also required. STUDY FUNDING/COMPETING INTEREST(S) This work was funded by the University of Melbourne and the Norma Hilda Schuster (nee Swift) Scholarship. The authors have no conflicts of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- Emma G Whatley
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia
| | - Thi T Truong
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia
| | - Dagmar Wilhelm
- Department of Anatomy & Physiology, University of Melbourne, Parkville, Victoria, Australia
| | - Alexandra J Harvey
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia
| | - David K Gardner
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia.,Melbourne IVF, East Melbourne, Victoria, Australia
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