51
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Choi KH, Lee DK, Kim SW, Woo SH, Kim DY, Lee CK. Chemically Defined Media Can Maintain Pig Pluripotency Network In Vitro. Stem Cell Reports 2019; 13:221-234. [PMID: 31257130 PMCID: PMC6626979 DOI: 10.1016/j.stemcr.2019.05.028] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Revised: 05/29/2019] [Accepted: 05/29/2019] [Indexed: 12/20/2022] Open
Abstract
Pig embryonic stem cells (pESCs) have been considered an important candidate for preclinical research on human therapies. However, the lack of understanding of pig pluripotent networks has hampered establishment of authentic pESCs. Here, we report that FGF2, ACTVIN, and WNT signaling are essential to sustain pig pluripotency in vitro. Newly derived pESCs were stably maintained over an extended period, and capable of forming teratomas that contained three germ layers. Transcriptome analysis showed that pESCs were developmentally similar to late epiblasts of preimplantation embryos and in terms of biological functions resembled human rather than mouse pluripotent stem cells. However, the pESCs had distinct features such as coexpression of SSEA1 and SSEA4, two active X chromosomes, and a unique transcriptional pattern. Our findings will facilitate both the development of large animal models for human stem cell therapy and the generation of pluripotent stem cells from other domestic animals for agricultural use.
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Affiliation(s)
- Kwang-Hwan Choi
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea
| | - Dong-Kyung Lee
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea
| | - Sung Woo Kim
- Animal Genetic Resources Research Center, National Institute of Animal Science, RDA, Namwon, Jeollabuk-do 55717, Korea
| | - Sang-Ho Woo
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Dae-Yong Kim
- Department of Veterinary Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang-Kyu Lee
- Department of Agricultural Biotechnology, Animal Biotechnology Major, and Research Institute of Agriculture and Life Science, Seoul National University, Seoul 08826, Korea; Institute of Green Bio Science and Technology, Seoul National University, Pyeong Chang, Kangwon-do 25354, Korea.
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52
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Aardema H, van Tol HTA, Vos PLAM. An overview on how cumulus cells interact with the oocyte in a condition with elevated NEFA levels in dairy cows. Anim Reprod Sci 2019; 207:131-137. [PMID: 31227325 DOI: 10.1016/j.anireprosci.2019.06.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 05/31/2019] [Accepted: 06/02/2019] [Indexed: 12/11/2022]
Abstract
Metabolic stress in humans and animals is associated with impaired fertility. A major characteristic of metabolic stress is elevated levels of free fatty acids (NEFAs) in blood due to mobilization of body fat reserves. Dairy cows undergo a period of metabolic stress during the peri-calving period, the so-called negative energy balance (NEB) in the early weeks postpartum. At the time of NEB, both saturated and unsaturated NEFAs are mobilized to serve as an alternative energy supply for cells, however in particular saturated NEFAs can have a detrimental effect on somatic cells. Circulating NEFAs are also reflected in the follicular fluid of ovarian follicles and hence reach the cumulus-oocyte-complex (COC), which implies a potential risk for the developing oocyte. To this end, the current review focusses on the impact of NEFAs on the quality of the oocyte.
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Affiliation(s)
- Hilde Aardema
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 7, 3584 CL Utrecht, the Netherlands.
| | - Helena T A van Tol
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 7, 3584 CL Utrecht, the Netherlands
| | - Peter L A M Vos
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 7, 3584 CL Utrecht, the Netherlands
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53
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Domingos Borges E, Aparecida Vireque A. Updating the Impact of Lipid Metabolism Modulation and Lipidomic Profiling on Oocyte Cryopreservation. EUROPEAN MEDICAL JOURNAL 2019. [DOI: 10.33590/emj/10310074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Oocyte cryopreservation has drastically improved in recent years and is receiving widespread clinical use with increasing demand for fertility preservation and assisted reproduction treatments. However, there are still several points to be reviewed in terms of suppressing sub-lethal damages and improving overall safety, especially when trying to preserve oocytes at the germinal vesicle stage or oocytes matured in vitro. The lipid content of oocytes is highly associated with both their competence and cryotolerance. Differences in lipid content are observed not just between different species but also at different developmental stages and when the oocytes are kept under different conditions, including cryopreservation. Many efforts have been made to understand how physiological or in vitro alterations in the lipid profile of oocytes impacts cryotolerance and vice-versa; however, the dynamics of cytosolic and membrane lipid involvement in the cryopreservation process remains poorly clarified in the human female gamete. This review presents an updated overview of the current state of cryopreservation techniques and oocyte lipidomics and highlights possible ways to improve cryotolerance, focussing on lipid content modulation.
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Affiliation(s)
- Eduardo Domingos Borges
- Department of Obstetrics and Gynecology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Alessandra Aparecida Vireque
- Invitra – Assisted Reproductive Technologies Ltd., Supera Innovation and Technology Park, Ribeirão Preto, Brazil
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54
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Wen R, Gan X, Hu S, Gao S, Deng Y, Qiu J, Sun W, Li L, Han C, Hu J, Wang J. Evidence for the existence of de novo lipogenesis in goose granulosa cells. Poult Sci 2019; 98:1023-1030. [PMID: 30376078 DOI: 10.3382/ps/pey400] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Accepted: 10/10/2018] [Indexed: 12/21/2022] Open
Abstract
De novo lipogenesis (DNL) is an important physiological mechanism, but it is poorly understood in avian follicles. The protein distribution patterns of three key genes related to DNL (i.e., FAS, ACC, and PPARγ) were firstly determined in geese developing follicles using immunohistochemistry, and our results showed that all three proteins were present in both prehierarchical and hierarchical follicles. Furthermore, it was revealed by qPCR that transcripts of these three genes were widely expressed in theca and granulosa layers of all staged follicles; however, the expression of DNL-related genes in granulosa cell changed significantly (P < 0.05) after follicle selection (FAS and PPARγ) and before ovulation (FAS). It is suggested that the DNL mechanism may be closely related to the follicular selection, while FAS may be closely associated with ovulation and steroidogenesis. These results suggested that DNL exists throughout follicle development and it potentially have an important role in the process of follicular selection, development, steroidogenesis, and ovulation, especially in their granulosa layers. To further demonstrate this point, granulosa cells isolated from hierarchical follicles were cultured in vitro. By analyzing the mRNA and protein expression patterns of these three genes, the fatty acid synthase enzyme activity, the contents of extracellular triglyceride, and intracellular lipids, as well as the cell activity at different time points of in vitro culture (0, 6, 12, and 18 h). These findings not only ensured the existence of DNL in the granulosa cells of goose follicles, but also suggested the complex process of lipid metabolism that associated with DNL, may play an important role in cell proliferation and physiological functions. Taken together, we first confirmed the existence of lipid metabolism, especially the DNL in goose follicles, and further suggested its role in the follicles, especially in the granulosa cells.
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Affiliation(s)
| | | | - Shenqiang Hu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Shanyan Gao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Yan Deng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiamin Qiu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Wenqiang Sun
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Liang Li
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Chunchun Han
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiwei Hu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiwen Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
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55
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Torres V, Hamdi M, Maillo V, Urrego R, Echeverri JJ, López-Herrera A, Gutiérrez-Adán A, Rizos D, Sánchez-Calabuig MJ. Ascorbic acid-cyclodextrin complex alters the expression of genes associated with lipid metabolism in bovine in vitro produced embryos. Reprod Domest Anim 2019; 54:55-62. [PMID: 30120843 DOI: 10.1111/rda.13311] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 08/06/2018] [Indexed: 12/16/2022]
Abstract
Ascorbic acid (AC) used as antioxidant in embryo culture is very sensitive and degrades unavoidably in aqueous solution. Methyl-β-cyclodextrin (CD) improved the stability of AC in solution to elevated temperature, light, humidity and oxidation. The aim of this study was to evaluate the effect of the complex AC-CD during in vitro maturation (IVM) or in vitro culture (IVC) on oocyte developmental competence and subsequent embryo development and quality. AC-CD (100 µM) was added to IVM media, and maturation level and embryo development were examined. Matured oocytes, their cumulus cells and produced blastocysts were snap-frozen for gene expression analysis by RT-qPCR. Besides, in vitro-produced zygotes were cultured with 100 µM of AC-CD and blastocysts were as well snap-frozen for gene expression analysis. A group without AC-CD (control- ) and other with CD (control+ ) were included. No differences were found on maturation, cleavage or blastocyst rates. However, in matured oocytes, AC-CD downregulated BAX, GPX1 and BMP15. In cumulus cells, AC-CD downregulated BAX/BCL2 and GSTA4 while upregulated BCL2 and CYP51A1. The expression of SL2A1, FADS1, PNPLA and MTORC1 was downregulated in blastocysts derived from oocytes matured with AC-CD, while in blastocysts derived from zygote cultured with AC-CD, CYP51A1 and IGF2R were downregulated and PNPLA2 was upregulated. In conclusion, AC-CD in both IVM and IVC media may reduce accumulated fat by increasing lipolysis and suppressing lipogenesis in blastocysts derived from both oocytes and zygotes cultured with AC-CD, suggesting that CD improves the quality of embryos and bioavailability of AC during IVM and IVC.
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Affiliation(s)
- Viviana Torres
- Grupo BIOGEM, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia
| | - Meriem Hamdi
- Departamento de Reproducción Aninal, INIA, Madrid, Spain
| | | | - Rodrigo Urrego
- Grupo INCA-CES, Facultad de Medicina Veterinaria y Zootecnia, Universidad CES, Medellín, Colombia
| | | | | | | | | | - Maria Jesús Sánchez-Calabuig
- Departamento de Reproducción Aninal, INIA, Madrid, Spain.,Departamento de Medicina y Cirugía Animal, Facultad de Veterinaria, UCM, Madrid, Spain
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56
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Lipid Identification and Transcriptional Analysis of Controlling Enzymes in Bovine Ovarian Follicle. Int J Mol Sci 2018; 19:ijms19103261. [PMID: 30347829 PMCID: PMC6214003 DOI: 10.3390/ijms19103261] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 10/16/2018] [Accepted: 10/18/2018] [Indexed: 12/17/2022] Open
Abstract
Ovarian follicle provides a favorable environment for enclosed oocytes, which acquire their competence in supporting embryo development in tight communications with somatic follicular cells and follicular fluid (FF). Although steroidogenesis in theca (TH) and granulosa cells (GC) is largely studied, and the molecular mechanisms of fatty acid (FA) metabolism in cumulus cells (CC) and oocytes are emerging, little data is available regarding lipid metabolism regulation within ovarian follicles. In this study, we investigated lipid composition and the transcriptional regulation of FA metabolism in 3–8 mm ovarian follicles in bovine. Using liquid chromatography and mass spectrometry (MS), 438 and 439 lipids were identified in FF and follicular cells, respectively. From the MALDI-TOF MS lipid fingerprints of FF, TH, GC, CC, and oocytes, and the MS imaging of ovarian sections, we identified 197 peaks and determined more abundant lipids in each compartment. Transcriptomics revealed lipid metabolism-related genes, which were expressed constitutively or more specifically in TH, GC, CC, or oocytes. Coupled with differential lipid composition, these data suggest that the ovarian follicle contains the metabolic machinery that is potentially capable of metabolizing FA from nutrient uptake, degrading and producing lipoproteins, performing de novo lipogenesis, and accumulating lipid reserves, thus assuring oocyte energy supply, membrane synthesis, and lipid-mediated signaling to maintain follicular homeostasis.
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57
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Casalino-Matsuda SM, Wang N, Ruhoff PT, Matsuda H, Nlend MC, Nair A, Szleifer I, Beitel GJ, Sznajder JI, Sporn PHS. Hypercapnia Alters Expression of Immune Response, Nucleosome Assembly and Lipid Metabolism Genes in Differentiated Human Bronchial Epithelial Cells. Sci Rep 2018; 8:13508. [PMID: 30202079 PMCID: PMC6131151 DOI: 10.1038/s41598-018-32008-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 08/31/2018] [Indexed: 12/19/2022] Open
Abstract
Hypercapnia, the elevation of CO2 in blood and tissues, commonly occurs in severe acute and chronic respiratory diseases, and is associated with increased risk of mortality. Recent studies have shown that hypercapnia adversely affects innate immunity, host defense, lung edema clearance and cell proliferation. Airway epithelial dysfunction is a feature of advanced lung disease, but the effect of hypercapnia on airway epithelium is unknown. Thus, in the current study we examined the effect of normoxic hypercapnia (20% CO2 for 24 h) vs normocapnia (5% CO2), on global gene expression in differentiated normal human airway epithelial cells. Gene expression was assessed on Affymetrix microarrays, and subjected to gene ontology analysis for biological process and cluster-network representation. We found that hypercapnia downregulated the expression of 183 genes and upregulated 126. Among these, major gene clusters linked to immune responses and nucleosome assembly were largely downregulated, while lipid metabolism genes were largely upregulated. The overwhelming majority of these genes were not previously known to be regulated by CO2. These changes in gene expression indicate the potential for hypercapnia to impact bronchial epithelial cell function in ways that may contribute to poor clinical outcomes in patients with severe acute or advanced chronic lung diseases.
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Affiliation(s)
- S Marina Casalino-Matsuda
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America.
| | - Naizhen Wang
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Peder T Ruhoff
- Department of Technology and Innovation, University of Southern Denmark, Odense, Denmark
| | - Hiroaki Matsuda
- Department of Biomedical Engineering, Northwestern University, Evanston, Illinois, United States of America
- Department of Physical Sciences & Engineering, Wilbur Wright College, Chicago, Illinois, United States of America
| | - Marie C Nlend
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
- Division of Protein and Cellular Analysis, Thermo Fisher Scientific, Rockford, Illinois, United States of America
| | - Aisha Nair
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Igal Szleifer
- Department of Biomedical Engineering, Northwestern University, Evanston, Illinois, United States of America
- Department of Chemistry, Northwestern University, Evanston, Illinois, United States of America
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois, United States of America
| | - Greg J Beitel
- Department of Molecular Biosciences, Northwestern University, Evanston, Illinois, United States of America
| | - Jacob I Sznajder
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
| | - Peter H S Sporn
- Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, Illinois, United States of America
- Jesse Brown VA Medical Center, Chicago, Illinois, United States of America
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58
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Anderson SH, Glassner MJ, Melnikov A, Friedman G, Orynbayeva Z. Respirometric reserve capacity of cumulus cell mitochondria correlates with oocyte maturity. J Assist Reprod Genet 2018; 35:1821-1830. [PMID: 30094760 DOI: 10.1007/s10815-018-1271-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 07/17/2018] [Indexed: 10/28/2022] Open
Abstract
PURPOSE Oocyte competence is critical in success of assisted reproduction. Metabolic signaling between oocyte and cumulus cells within the cumulus-oocyte complex procure oocyte development. This study evaluated the relationship between respirometric activity of cumulus cells and maturity of corresponding oocytes. METHODS In prospective cohort study, 20 women of age 28-42 undergoing IVF procedure were involved. To evaluate oocyte maturity, the cumulus cells from individual oocytes were assessed flow cytometrically by double labeling of cells with mitochondria specific dyes. The respirometric stress analysis using ATPase inhibitor oligomycin was applied to assess mitochondria metabolic abnormalities. RESULTS The cumulus cells from each of 327 oocytes were analyzed. The respirometric index of cumulus cells (O'R) strongly correlates with maternal ovarian reserve, showing to be higher in patients with higher AMH (p < 0.0017). Cumulus cells from immature oocytes had severe mitochondria deficiency, i.e., low O'R, than those from mature oocytes (p < 0.02). No significant difference in respirometric capacity was found between cumulus cells associated with good vs poor-quality embryos. CONCLUSIONS The oocyte maturity is potentially related to the mitochondria activity of cumulus cells.
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Affiliation(s)
- Sharon H Anderson
- Main Line Fertility Center, 825 Old Lancaster Road, Suite 170, Bryn Mawr, PA, 19101, USA. .,Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA, USA.
| | - Michael J Glassner
- Main Line Fertility Center, 825 Old Lancaster Road, Suite 170, Bryn Mawr, PA, 19101, USA.,Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, PA, USA
| | | | - Gary Friedman
- Department of Electrical and Computer Engineering, Drexel University, Philadelphia, PA, USA
| | - Zulfiya Orynbayeva
- Department of Surgery, Drexel University College of Medicine, 245 N 15th Street, Philadelphia, PA, 19102, USA.
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59
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Schwarz KRL, Botigelli RC, Del Collado M, Cavallari de Castro F, Fernandes H, Paschoal DM, Leal CLV. Effects of fetal calf serum on cGMP pathway and oocyte lipid metabolism in vitro. Reprod Fertil Dev 2018; 29:1593-1601. [PMID: 27554265 DOI: 10.1071/rd15512] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 07/28/2016] [Indexed: 12/27/2022] Open
Abstract
Intracellular levels of cyclic nucleotides, such as cGMP, are involved in the regulation of adipocyte lipolysis. Cumulus-oocyte complexes (COCs) express enzymes that both synthesise (guanylate cyclase) and degrade (phosphodiesterase (PDE) 5A) cGMP. Because serum interferes with lipid metabolism, its effects on the cGMP pathway and lipid content in bovine COCs were examined. COCs were matured in medium containing fetal calf serum (FCS; 2% or 10%) or 0.4% bovine serum albumin (BSA; control). At both 2% and 10%, FCS decreased cGMP levels in COCs compared with BSA (0.64 and 1.04 vs 9.46 fmol per COC respectively; P<0.05) and decreased transcript levels of guanylate cyclase 1, soluble, beta 3 (GUCY1B3), whereas PDE5A levels were increased. FCS also affected the expression of genes related to lipolysis, increasing relative expression of perilipin 2 (PLIN2) and carnitine palmitoyltransferase 1B (CPT1B) in cumulus cells. Effects of FCS and cGMP on the lipid content of oocytes and embryos were evaluated by Nile red staining. COCs were matured with 10% FCS, FCS+10-5 M sildenafil (SDF), a PDE5 inhibitor, or 0.4% BSA. The lipid content was increased in oocytes matured in FCS compared with BSA (fluorescence intensity 20.1 vs 17.61 respectively; P<0.05), whereas the lipid content in oocytes matured in FCS+SDF (fluorescence intensity 16.33) was similar to that in the BSA-treated group (P>0.05). In addition, lipid content was higher in embryos from oocytes matured with FCS than BSA (fluorescence intensity 31.12 vs 22.31 respectively; P<0.05), but was increased even further in the FCS+SDF-treated group (fluorescence intensity 40.35; P<0.05), possibly due to a compensatory mechanism during embryo culture without SDF for the reduction in lipid content during IVM. The present study provides, for the first time, evidence that the cGMP pathway may be involved in lipid metabolism in bovine COCs and that this pathway is affected by FCS.
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Affiliation(s)
- Kátia R L Schwarz
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
| | - Ramon Cesar Botigelli
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista Júlio de Mesquita Filho, Road. Domingos Sartori, 21500, Botucatu - SP, CEP 18618-689, Brazil
| | - Maite Del Collado
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
| | - Fernanda Cavallari de Castro
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
| | - Hugo Fernandes
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
| | - Daniela M Paschoal
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
| | - Cláudia Lima Verde Leal
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Av. Duque de Caxias Norte, 225, Pirassununga - SP, CEP 13635-900,Brazil
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60
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Marei WFA, De Bie J, Mohey-Elsaeed O, Wydooghe E, Bols PEJ, Leroy JLMR. Alpha-linolenic acid protects the developmental capacity of bovine cumulus-oocyte complexes matured under lipotoxic conditions in vitro. Biol Reprod 2018; 96:1181-1196. [PMID: 28520897 DOI: 10.1093/biolre/iox046] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Accepted: 05/17/2017] [Indexed: 12/22/2022] Open
Abstract
Elevated concentrations of free fatty acids (FFAs), predominantly palmitic, stearic, and oleic acids (PSO), exert detrimental effects on oocyte developmental competence. This study examined the effects of omega-3 alpha-linolenic acid (ALA) during in vitro oocyte maturation (IVM) in the presence of PSO on subsequent embryo development and quality, and the cellular mechanisms that might be involved. Bovine cumulus-oocyte complexes (COCs) were supplemented during IVM with ALA (50 μM), PSO (425 μM), or PSO+ALA. Compared with FFA-free controls (P < 0.05), PSO increased embryo fragmentation and decreased good quality embryos on day 2 postfertilization. Day 7 blastocyst rate was also reduced. Day 8 blastocysts had lower cell counts and higher apoptosis but normal metabolic profile. In the PSO group, cumulus cell (CC) expansion was inhibited with an increased CC apoptosis while COC metabolism was not affected. Mitochondrial inner membrane potential (MMP; JC-1 staining) was reduced in the CCs and oocytes. Heat shock protein 70 (HSP70) but not glucose-regulated protein 78 kDa (GRP78, known as BiP; an endoplasmic reticulum stress marker) was upregulated in the CCs. Higher reactive oxygen species levels (DCHFDA staining) were detected in the oocytes. In contrast, adding ALA in the presence of PSO normalized embryo fragmentation, cleavage, blastocyst rates, and blastocyst quality compared to controls (P > 0.05). Combined treatment with ALA also reduced CC apoptosis, partially recovered CC expansion, abrogated the reduction in MMP in the CCs but not in the oocytes, and reduced BiP and HSP70 expression in CCs, compared with PSO only (P < 0.05). In conclusion, ALA supplementation protected oocyte developmental capacity under lipotoxic conditions mainly by protecting cumulus cell viability.
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Affiliation(s)
- Waleed F A Marei
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium.,Department of Theriogenology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Jessie De Bie
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Omnia Mohey-Elsaeed
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Eline Wydooghe
- Department of Reproduction, Obstetrics, and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Peter E J Bols
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
| | - Jo L M R Leroy
- Gamete Research Centre, Department of Veterinary Sciences, University of Antwerp, Wilrijk, Belgium
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61
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Virant-Klun I, Bauer C, Ståhlberg A, Kubista M, Skutella T. Human oocyte maturation in vitro is improved by co-culture with cumulus cells from mature oocytes. Reprod Biomed Online 2018; 36:508-523. [PMID: 29503212 DOI: 10.1016/j.rbmo.2018.01.011] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 01/14/2018] [Accepted: 01/16/2018] [Indexed: 02/06/2023]
Abstract
The conventional method of human oocyte maturation in vitro in the presence of gonadotrophins continues to be a relatively low-success procedure in the assisted conception programme owing to suboptimal maturation conditions in the absence of an ovarian 'niche' and poor understanding of this procedure at the molecular level in oocytes. In this study, the gene expression profiles of human oocytes were analysed according to their manner of maturation: in vivo (in the ovaries) or in vitro (matured either by the conventional method or by a new approach - co-cultured with cumulus cells of mature oocytes from the same patient). Our results show that the in-vitro maturation procedure strongly affects the gene expression profile of human oocytes, including several genes involved in transcriptional regulation, embryogenesis, epigenetics, development, and the cell cycle. The in-vitro maturation of oocytes co-cultured with cumulus cells from mature oocytes provides an ovarian 'niche' to some degree, which improves oocyte maturation rates and their gene expression profile to the extent that they are more comparable to oocytes that naturally mature in the ovarian follicle.
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Affiliation(s)
- Irma Virant-Klun
- Department of Obstetrics and Gynaecology, University Medical Centre Ljubljana, 1000, Ljubljana, Slovenia.
| | | | - Anders Ståhlberg
- Sahlgrenska Cancer Center, Department of Pathology and Genetics, Institute of Biomedicine, The Sahlgrenska Academy University of Gothenburg, 41390, Gothenburg, Sweden
| | | | - Thomas Skutella
- Institute for Anatomy and Cell Biology, Medical Faculty, University of Heidelberg, 69120, Heidelberg, Germany
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Schwarz KRL, de Castro FC, Schefer L, Botigelli RC, Paschoal DM, Fernandes H, Leal CLV. The role of cGMP as a mediator of lipolysis in bovine oocytes and its effects on embryo development and cryopreservation. PLoS One 2018; 13:e0191023. [PMID: 29360833 PMCID: PMC5779671 DOI: 10.1371/journal.pone.0191023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 12/27/2017] [Indexed: 11/29/2022] Open
Abstract
This study aimed to determine the influence of cyclic guanosine 3’5’-monophosphate (cGMP) and cGMP-dependent kinase (PKG) during in vitro maturation (IVM) on lipolysis-related parameters in bovine cumulus-oocyte complexes (COCs), and on embryo development and cryosurvival. COCs were matured with cGMP/PKG modulators and assessed for metaphase II rates (MII), cGMP levels, lipid content in oocytes (OO), transcript abundance for genes involved in lipolysis (ATGL) and lipid droplets (PLIN2) in cumulus cells (CC) and OO, and presence of phosphorylated (active) hormone sensitive lipase (HSLser563) in OO. Embryo development, lipid contents and survival to vitrification were also assessed. Phosphodiesterase 5 inhibition (PDE5; cGMP-hydrolyzing enzyme) with 10-5M sildenafil (SDF) during 24 h IVM increased cGMP in COCs (56.9 vs 9.5 fMol/COC in untreated controls, p<0.05) and did not affect on maturation rate (84.3±6.4% MII). Fetal calf serum (FCS) in IVM medium decreased cGMP in COCs compared to bovine serum albumin (BSA) + SDF (19.6 vs 66.5 fMol/COC, respectively, p<0.05). FCS increased lipid content in OO (40.1 FI, p<0.05) compared to BSA (34.6 FI), while SDF decreased (29.8 and 29.6 FI, with BSA or FCS, respectively p<0.05). PKG inhibitor (KT5823) reversed this effect (38.9 FI, p<0.05). ATGL and PLIN2 transcripts were detected in CC and OO, but were affected by cGMP and PKG only in CC. HSLser563 was detected in OO matured with or without modulators. Reduced lipid content in embryos were observed only when SDF was added during IVM and IVC (27.6 FI) compared to its use in either or none of the culture periods (34.2 FI, p<0.05). Survival to vitrification was unaffected by SDF. In conclusion, cGMP and PKG are involved in lipolysis in OO and possibly in CC and embryos; serum negatively affects this pathway, contributing to lipid accumulation, and cGMP modulation may reduce lipid contents in oocytes and embryos, but without improving embryo cryotolerance.
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Affiliation(s)
- Kátia R. L. Schwarz
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
- * E-mail: (CLVL); (KRLS)
| | - Fernanda C. de Castro
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
| | - Letícia Schefer
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
| | - Ramon C. Botigelli
- Universidade Estadual Paulista (Unesp), Instituto de Biociências de Botucatu (IBB), Departamento de Farmacologia, Botucatu, São Paulo, Brasil
| | - Daniela M. Paschoal
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
| | - Hugo Fernandes
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
| | - Cláudia L. V. Leal
- Universidade de São Paulo (USP), Faculdade de Zootecnia e Engenharia de Alimentos (FZEA), Departamento de Medicina Veterinária, Pirassununga, São Paulo, Brasil
- * E-mail: (CLVL); (KRLS)
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Ogawa K, Itami N, Ueda M, Kansaku K, Shirasuna K, Kuwayama T, Iwata H. Non-esterified fatty acid-associated ability of follicular fluid to support porcine oocyte maturation and development. Reprod Med Biol 2018; 17:155-163. [PMID: 29692673 PMCID: PMC5902458 DOI: 10.1002/rmb2.12084] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 12/15/2017] [Indexed: 12/19/2022] Open
Abstract
Purpose The effect of supplementing maturation medium with follicular fluid (FF) was examined according to its non‐esterified fatty acid (NEFA) content or with a fatty acid mixture (FA‐Mix) on the developmental competence of oocytes, as well as the mitochondrial quality and quantity in the oocytes and cumulus cells. Method Porcine oocytes from a slaughterhouse were used. Results The FF or FA‐Mix in maturation medium increased the lipid content in both the oocytes and the cumulus cells, but the adenosine triphosphate content was differentially affected. The FF supplementation increased the mitochondrial DNA copy number, survival of cumulus cells, and rate of oocyte development to the blastocyst stage, whereas the FA‐Mix supplementation did not show these effects. The expression levels of GPC4,PFKP,PRDX3, and TFAM in the cumulus cells increased after FF supplementation, but the expression of GJA1 decreased, compared with the cells that were cultured without FF. Conclusion Adding FF and FA‐Mix to the maturation medium increased the lipid content in the oocytes and cumulus cells. The effects of FF on the cumulus cells and oocytes were not observed after FA‐Mix supplementation, indicating that the concentration of the NEFAs in the FF are closely associated with an ability to support oocyte maturation and the metabolism of cumulus cells and oocytes.
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Affiliation(s)
- Kaori Ogawa
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Nobuhiko Itami
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Manami Ueda
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Kazuki Kansaku
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Koumei Shirasuna
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Takehito Kuwayama
- Department of Animal Science Tokyo University of Agriculture Funako Japan
| | - Hisataka Iwata
- Department of Animal Science Tokyo University of Agriculture Funako Japan
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Nakamura M, Eguchi A, Inohana M, Nagahara R, Murayama H, Kawashima M, Mizukami S, Koyanagi M, Hayashi SM, Maronpot RR, Shibutani M, Yoshida T. Differential impacts of mineralocorticoid receptor antagonist potassium canrenoate on liver and renal changes in high fat diet-mediated early hepatocarcinogenesis model rats. J Toxicol Sci 2018; 43:611-621. [DOI: 10.2131/jts.43.611] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Misato Nakamura
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Ayumi Eguchi
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Mari Inohana
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Rei Nagahara
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Hirotada Murayama
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Masashi Kawashima
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Sayaka Mizukami
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
- Pathogenetic Veterinary Science, United Graduate School of Veterinary Sciences, Gifu University
| | - Mihoko Koyanagi
- Global Scientific and Regulatory Affairs, San-Ei Gen F. F. I., Inc
| | - Shim-mo Hayashi
- Global Scientific and Regulatory Affairs, San-Ei Gen F. F. I., Inc
| | | | - Makoto Shibutani
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
| | - Toshinori Yoshida
- Laboratory of Veterinary Pathology, Tokyo University of Agriculture and Technology
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65
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Luciano AM, Sirard MA. Successful in vitro maturation of oocytes: a matter of follicular differentiation. Biol Reprod 2017; 98:162-169. [DOI: 10.1093/biolre/iox149] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 11/17/2017] [Indexed: 01/08/2023] Open
Affiliation(s)
- Alberto Maria Luciano
- Reproductive and Developmental Biology Laboratory, Department of Health, Animal Sciences and Food Safety, University of Milan, Milan, Italy
| | - Marc-André Sirard
- Centre de Recherche en reproduction, Développement et Santé Intergénérationnelle, Département des Sciences Animales, Université Laval, Québec, Québec, Canada
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Elis S, Oseikria M, Vitorino Carvalho A, Bertevello PS, Corbin E, Teixeira-Gomes AP, Lecardonnel J, Archilla C, Duranthon V, Labas V, Uzbekova S. Docosahexaenoic acid mechanisms of action on the bovine oocyte-cumulus complex. J Ovarian Res 2017; 10:74. [PMID: 29122003 PMCID: PMC5679375 DOI: 10.1186/s13048-017-0370-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Accepted: 10/31/2017] [Indexed: 02/02/2023] Open
Abstract
Background Supplementation of bovine oocyte-cumulus complexes during in vitro maturation (IVM) with 1 μM of docosahexaenoic acid (DHA), C22:6 n-3 polyunsaturated fatty acid, was reported to improve in vitro embryo development. The objective of this paper was to decipher the mechanisms of DHA action. Results Transcriptomic analysis of 1 μM DHA-treated and control cumulus cells after 4 h IVM showed no significant difference in gene expression. MALDI-TOF mass spectrometry analysis of lipid profiles in DHA-treated and control oocytes and cumulus cells after IVM showed variations of only 3 out of 700 molecular species in oocytes and 7 out of 698 species in cumulus cells (p < 0.01). We showed expression of free fatty acid receptor FFAR4 in both oocytes and cumulus cells, this receptor is known to be activated by binding to DHA. FFAR4 protein was localized close to the cellular membrane by immunofluorescence. Functional studies demonstrated that supplementation with FFAR4 agonist TUG-891 (1 μM or 5 μM) during IVM led to an increased blastocyst rate (39.5% ± 4.1%, 41.3% ± 4.1%), similar to DHA 1 μM treatment (39.2% ± 4.1%) as compared to control (25.2% ± 3.6%). FFAR4 activation via TUG-891 led to beneficial effect on oocyte developmental competence and might explain in part similar effects of DHA. Conclusions In conclusion, we suggested that low dose of DHA (1 μM) during IVM might activate regulatory mechanisms without evident effect on gene expression and lipid content in oocyte-cumulus complexes, likely through signaling pathways which need to be elucidated in further studies. Electronic supplementary material The online version of this article (10.1186/s13048-017-0370-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Sebastien Elis
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France.
| | - Mouhamad Oseikria
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France
| | - Anais Vitorino Carvalho
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France.,UMR BDR, ENVA, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | | | - Emilie Corbin
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France
| | - Ana-Paula Teixeira-Gomes
- UMR ISP, INRA, Université de Tours, 37380, Nouzilly, France.,INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380, Nouzilly, France
| | - Jérôme Lecardonnel
- GABI, INRA, Agroparis Tech, Université de Paris-Saclay, 78350, Jouy-en-Josas, France
| | - Catherine Archilla
- UMR BDR, ENVA, INRA, Université Paris-Saclay, 78350, Jouy-en-Josas, France
| | | | - Valérie Labas
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France.,INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380, Nouzilly, France
| | - Svetlana Uzbekova
- UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380, Nouzilly, France.,INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380, Nouzilly, France
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Júnior GAO, Perez BC, Cole JB, Santana MHA, Silveira J, Mazzoni G, Ventura RV, Júnior MLS, Kadarmideen HN, Garrick DJ, Ferraz JBS. Genomic study and Medical Subject Headings enrichment analysis of early pregnancy rate and antral follicle numbers in Nelore heifers. J Anim Sci 2017; 95:4796-4812. [PMID: 29293733 PMCID: PMC6292327 DOI: 10.2527/jas2017.1752] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2017] [Accepted: 08/24/2017] [Indexed: 12/18/2022] Open
Abstract
Zebu animals () are known to take longer to reach puberty compared with taurine animals (), limiting the supply of animals for harvest or breeding and impacting profitability. Genomic information can be a helpful tool to better understand complex traits and improve genetic gains. In this study, we performed a genomewide association study (GWAS) to identify genetic variants associated with reproductive traits in Nelore beef cattle. Heifer pregnancy (HP) was recorded for 1,267 genotyped animals distributed in 12 contemporary groups (CG) with an average pregnancy rate of 0.35 (±0.01). Disregarding one of these CG, the number of antral follicles (NF) was also collected for 937 of these animals, with an average of 11.53 (±4.43). The animals were organized in CG: 12 and 11 for HP and NF, respectively. Genes in linkage disequilibrium (LD) with the associated variants can be considered in a functional enrichment analysis to identify biological mechanisms involved in fertility. Medical Subject Headings (MeSH) were detected using the MESHR package, allowing the extraction of broad meanings from the gene lists provided by the GWAS. The estimated heritability for HP was 0.28 ± 0.07 and for NF was 0.49 ± 0.09, with the genomic correlation being -0.21 ± 0.29. The average LD between adjacent markers was 0.23 ± 0.01, and GWAS identified genomic windows that accounted for >1% of total genetic variance on chromosomes 5, 14, and 18 for HP and on chromosomes 2, 8, 11, 14, 15, 16, and 22 for NF. The MeSH enrichment analyses revealed significant ( < 0.05) terms associated with HP-"Munc18 Proteins," "Fucose," and "Hemoglobins"-and with NF-"Cathepsin B," "Receptors, Neuropeptide," and "Palmitic Acid." This is the first study in Nelore cattle introducing the concept of MeSH analysis. The genomic analyses contributed to a better understanding of the genetic control of the reproductive traits HP and NF and provide new selection strategies to improve beef production.
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Affiliation(s)
| | - B. C. Perez
- Universidade de São Paulo (USP), Pirassununga, SP, Brazil
| | - J. B. Cole
- Animal Genomics and Improvement Laboratory, Agricultural Research Service, USDA, Beltsville, MD 20705-2350
| | | | - J. Silveira
- Universidade de São Paulo (USP), Pirassununga, SP, Brazil
| | - G. Mazzoni
- Department of Veterinary and Animal Sciences, University of Copenhagen, Denmark
- Section of Systems Genomics, Department of Bio and Health Informatics, Technical University of Denmark, Kemitorvet, 2800 Kgs. Lyngby, Denmark
| | - R. V. Ventura
- Beef Improvement Opportunities, Guelph, ON N1K1E5, Canada
- Centre for Genetic Improvement of Livestock, University of Guelph, Guelph, ON N1G2W1, Canada
| | | | - H. N. Kadarmideen
- Section of Systems Genomics, Department of Bio and Health Informatics, Technical University of Denmark, Kemitorvet, 2800 Kgs. Lyngby, Denmark
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Del Collado M, da Silveira JC, Sangalli JR, Andrade GM, Sousa LRDS, Silva LA, Meirelles FV, Perecin F. Fatty Acid Binding Protein 3 And Transzonal Projections Are Involved In Lipid Accumulation During In Vitro Maturation Of Bovine Oocytes. Sci Rep 2017; 7:2645. [PMID: 28572619 PMCID: PMC5453981 DOI: 10.1038/s41598-017-02467-9] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Accepted: 04/11/2017] [Indexed: 12/20/2022] Open
Abstract
Oocytes that undergo in vitro maturation (IVM) are metabolically abnormal and accumulate excess lipid content. However, the mechanism of lipid accumulation and the role of cumulus cells in this process are unclear. Recently, it was shown that fatty acid binding proteins (FABPs) performed intra- and extracellular fatty acid transport. We postulated that FABP3 might be responsible for fatty acid transport from cumulus cells to the oocytes via transzonal projections (TZPs) during IVM. Transcript and protein levels of FABP3 were analyzed in both in vivo- and in vitro-matured cumulus-oocyte-complexes and were increased in IVM samples. Further analysis showed increased lipid content in oocytes and cumulus cells in IVM samples compared to in vivo-derived. We therefore speculated that altered traffic of fatty acids via FABP3 during IVM was the mechanism leading to the excess of lipids accumulated within IVM oocytes. Furthermore, we demonstrated an increase in FABP3 levels and lipid content during the first 9 h of IVM, further strengthening the possibility of fatty acid transport via FABP3 and TZPs. Additionally, disruptions of TZPs during IVM decreased lipid accumulation in oocytes. Our results shed light on a possible mechanism involving FABP3 and TZPs that causes excess lipid accumulation in oocytes during IVM.
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Affiliation(s)
- Maite Del Collado
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Juliano Coelho da Silveira
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Juliano Rodrigues Sangalli
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Gabriella Mamede Andrade
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Letícia Rabello da Silva Sousa
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Luciano Andrade Silva
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Flavio Vieira Meirelles
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil
| | - Felipe Perecin
- Veterinary Medicine Department, Faculty of Animal Sciences and Food Engineering, University of Sao Paulo, Av. Duque de Caxias Norte 225, 13635-900, Pirassununga, SP, Brazil.
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Okudaira Y, Wakai T, Funahashi H. Levels of cyclic-AMP and cyclic-GMP in porcine oocyte-cumulus complexes and cumulus-free oocytes derived from small and middle follicles during the first 24-hour period of in vitro maturation. J Reprod Dev 2017; 63:191-197. [PMID: 28228615 PMCID: PMC5401813 DOI: 10.1262/jrd.2016-156] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 01/27/2017] [Indexed: 01/15/2023] Open
Abstract
The objective of this study was to compare the cAMP and cGMP levels in cumulus-oocyte complexes (COCs) derived from the middle follicles (MFs, 3-6 mm in diameter) and small follicles (SFs, 1-3 mm in diameter) of pre-pubertal gilts during the first 24-h period of maturation in vitro (IVM). Both cAMP and cGMP levels in MF- and SF-derived oocytes did not change during this period. Although the cAMP levels increased in the COCs at 10 and 20 h after the start of IVM, the levels of cAMP were significantly higher in MF-derived COCs than in SF-derived COCs at 20 h after the start of IVM. On the other hand, the cGMP levels in COCs decreased to basal levels between 10 and 20 h after the start of the IVM, whereas cGMP levels were lower in SF-derived COCs than in MF-derived COCs during the first 10 h. The number of cumulus cells was larger in the MF-derived COCs than in the SF-derived COCs during the first 20-h period of IVM. The estimated cAMP level per cumulus cell at 10 h after the start of the IVM was higher in SF-derived COCs than in MF-derived COCs, whereas the estimated cGMP level per cumulus cell was no different between MF- and SF-derived COCs. From these results, we conclude that cAMP and cGMP levels in COCs, but not in oocytes, drastically change during the first 20-h period of IVM, and that both cAMP and cGMP levels significantly differ between MF- and SF-derived COCs.
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Affiliation(s)
- Yuichi Okudaira
- Department of Animal Science, Graduate School of Environment and Life Science, Okayama University, Okayama 700-8530 Japan
| | - Takuya Wakai
- Department of Animal Science, Graduate School of Environment and Life Science, Okayama University, Okayama 700-8530 Japan
| | - Hiroaki Funahashi
- Department of Animal Science, Graduate School of Environment and Life Science, Okayama University, Okayama 700-8530 Japan
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Warzych E, Pawlak P, Pszczola M, Cieslak A, Madeja ZE, Lechniak D. Interactions of bovine oocytes with follicular elements with respect to lipid metabolism. Anim Sci J 2017; 88:1491-1497. [PMID: 28402007 DOI: 10.1111/asj.12799] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 01/23/2017] [Indexed: 11/30/2022]
Abstract
Among many factors, lipid metabolism within the follicular environment emerges as an important indicator of oocyte quality. In the literature a crucial significance is described concerning follicular fluid (FF) composition as well as messenger RNA (mRNA) expression in follicular cells. The aim of this study was to describe the relationship between oocyte, FF and follicular cells with regard to lipid metabolism. The set of data originating from individual follicles comprised: lipid droplets (LD) number in oocytes (BODIPY staining), mRNA expression of seven genes in cumulus and granulosa cells (SCD, FADS2, ELOVL2, ELOVL5, GLUT1, GLUT3, GLUT8; real time polymerase chain reaction) and fatty acid (FA) composition in FF (gas chromatography). Obtained results demonstrate significant correlation between oocyte lipid droplets number and FA composition in FF. However, gene expression studies show significant correlation between LD number and GLUT1 gene only. Moreover, the present experiment revealed correlations between FA content in FF and expression of several genes (SCD, FADS2, ELOVL5, GLUT8) in granulosa cells, whereas only the SCD gene in cumulus cells. We suggest that the results of our experiment indicate the importance of glucose : lipid metabolism balance, which contributes to better understanding of energy metabolism conversion between oocytes and the maternal environment.
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Affiliation(s)
- Ewelina Warzych
- Department of Genetics and Animal Breeding, Poznan University of Life Science, Poznan, Poland
| | - Piotr Pawlak
- Department of Genetics and Animal Breeding, Poznan University of Life Science, Poznan, Poland
| | - Marcin Pszczola
- Department of Genetics and Animal Breeding, Poznan University of Life Science, Poznan, Poland
| | - Adam Cieslak
- Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznan, Poland
| | - Zofia E Madeja
- Department of Genetics and Animal Breeding, Poznan University of Life Science, Poznan, Poland
| | - Dorota Lechniak
- Department of Genetics and Animal Breeding, Poznan University of Life Science, Poznan, Poland
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Labas V, Teixeira-Gomes AP, Bouguereau L, Gargaros A, Spina L, Marestaing A, Uzbekova S. Intact cell MALDI-TOF mass spectrometry on single bovine oocyte and follicular cells combined with top-down proteomics: A novel approach to characterise markers of oocyte maturation. J Proteomics 2017; 175:56-74. [PMID: 28385661 DOI: 10.1016/j.jprot.2017.03.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 02/23/2017] [Accepted: 03/31/2017] [Indexed: 12/18/2022]
Abstract
Intact cell MALDI-TOF mass spectrometry (ICM-MS) was adapted to bovine follicular cells from individual ovarian follicles to obtain the protein/peptide signatures (<17kDa) of single oocytes, cumulus cells (CC) and granulosa cells (GC), which shared a total of 439 peaks. By comparing the ICM-MS profiles of single oocytes and CC before and after in vitro maturation (IVM), 71 different peaks were characterised, and their relative abundance was found to vary depending on the stage of oocyte meiotic maturation. To identify these endogenous biomolecules, top-down workflow using high resolution MS/MS (TD HR-MS) was performed on the protein extracts from oocytes, CC and GC. The TD HR-MS proteomic approach allowed for: (1) identification of 386 peptide/proteoforms encoded by 194 genes; and (2) characterisation of proteolysis products likely resulting from the action of kallikreins and caspases. In total, 136 peaks observed by ICM-MS were annotated by TD HR-MS (ProteomeXchange PXD004892). Among these, 16 markers of maturation were identified, including IGF2 binding protein 3 and hemoglobin B in the oocyte, thymosins beta-4 and beta-10, histone H2B and ubiquitin in CC. The combination of ICM-MS and TD HR-MS proved to be a suitable strategy to identify non-invasive markers of oocyte quality using limited biological samples. BIOLOGICAL SIGNIFICANCE Intact cell MALDI-TOF mass spectrometry on single oocytes and their surrounding cumulus cells, coupled to an optimised top-down HR-MS proteomic approach on ovarian follicular cells, was used to identify specific markers of oocyte meiotic maturation represented by whole low molecular weight proteins or products of degradation by specific proteases.
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Affiliation(s)
- Valérie Labas
- UMR PRC, INRA 85, CNRS, Université de Tours, IFCE, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France
| | - Ana-Paula Teixeira-Gomes
- UMR ISP, INRA, Université de Tours, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France
| | - Laura Bouguereau
- UMR ISP, INRA, Université de Tours, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France
| | - Audrey Gargaros
- UMR PRC, INRA 85, CNRS, Université de Tours, IFCE, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France
| | - Lucie Spina
- INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France; INSA/CNRS 5504 - UMR INSA/INRA 792, Toulouse, France
| | - Aurélie Marestaing
- UMR PRC, INRA 85, CNRS, Université de Tours, IFCE, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France
| | - Svetlana Uzbekova
- UMR PRC, INRA 85, CNRS, Université de Tours, IFCE, 37380 Nouzilly, France; INRA, Plateforme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, 37380 Nouzilly, France.
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72
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Jin JX, Lee S, Taweechaipaisankul A, Kim GA, Lee BC. Melatonin regulates lipid metabolism in porcine oocytes. J Pineal Res 2017; 62. [PMID: 28095627 DOI: 10.1111/jpi.12388] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 01/11/2017] [Indexed: 12/22/2022]
Abstract
It is being increasingly recognized that the processes of lipogenesis and lipolysis are important for providing an essential energy source during oocyte maturation and embryo development. Recent studies demonstrated that melatonin has a role in lipid metabolism regulation, including lipogenesis, lipolysis, and mitochondrial biogenesis. In this study, we attempted to investigate the effects of melatonin on lipid metabolism during porcine oocyte in vitro maturation. Melatonin treatment significantly enhanced the number of lipid droplets (LDs) and upregulated gene expression related to lipogenesis (ACACA, FASN, PPARγ, and SREBF1). Oocytes treated with melatonin formed smaller LDs and abundantly expressed several genes associated with lipolysis, including ATGL, CGI-58, HSL, and PLIN2. Moreover, melatonin significantly increased the content of fatty acids, mitochondria, and ATP, as indicated by fluorescent staining. Concomitantly, melatonin treatment upregulated gene expression related to fatty acid β-oxidation (CPT1a, CPT1b, CPT2, and ACADS) and mitochondrial biogenesis (PGC-1α, TFAM, and PRDX2). Overall, melatonin treatment not only altered both the morphology and amount of LDs, but also increased the content of fatty acids, mitochondria, and ATP. In addition, melatonin upregulated mRNA expression levels of lipogenesis, lipolysis, β-oxidation, and mitochondrial biogenesis-related genes in porcine oocytes. These results indicated that melatonin promoted lipid metabolism and thereby provided an essential energy source for oocyte maturation and subsequent embryonic development.
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Affiliation(s)
- Jun-Xue Jin
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Sanghoon Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Anukul Taweechaipaisankul
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Geon A Kim
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
| | - Byeong Chun Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Korea
- Institutes of Green Bio Science and Technology, Seoul National University, Seoul, Korea
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73
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Davis JM, Ekman DR, Skelton DM, LaLone CA, Ankley GT, Cavallin JE, Villeneuve DL, Collette TW. Metabolomics for informing adverse outcome pathways: Androgen receptor activation and the pharmaceutical spironolactone. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 184:103-115. [PMID: 28129603 PMCID: PMC6145081 DOI: 10.1016/j.aquatox.2017.01.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2016] [Revised: 01/07/2017] [Accepted: 01/09/2017] [Indexed: 05/03/2023]
Abstract
One objective in developing adverse outcome pathways (AOPs) is to connect biological changes that are relevant to risk assessors (i.e., fecundity) to molecular and cellular-level alterations that might be detectable at earlier stages of a chemical exposure. Here, we examined biochemical responses of fathead minnows (Pimephales promelas) to inform an AOP relevant to spironolactone's activation of the androgen receptor, as well as explore other biological impacts possibly unrelated to this receptor. Liquid chromatography with high resolution mass spectrometry (LC-MS) was used to measure changes in endogenous polar metabolites in livers of male and female fish that were exposed to five water concentrations of spironolactone (0, 0.05, 0.5, 5, or 50μgL-1) for 21days. Metabolite profiles were affected at the two highest concentrations (5 and 50μgL-1), but not in the lower-level exposures, which agreed with earlier reported results of reduced female fecundity and plasma vitellogenin (VTG) levels. We then applied partial least squares regression to assess whether metabolite alterations covaried with changes in fecundity, VTG gene expression and protein concentrations, and plasma 17β-estradiol and testosterone concentrations. Metabolite profiles significantly covaried with all measured endpoints in females, but only with plasma testosterone in males. Fecundity reductions occurred in parallel with changes in metabolites important in osmoregulation (e.g., betaine), membrane transport (e.g., l-carnitine), and biosynthesis of carnitine (e.g., methionine) and VTG (e.g., glutamate). Based on a network analysis program (i.e., mummichog), spironolactone also affected amino acid, tryptophan, and fatty acid metabolism. Thus, by identifying possible key events related to changes in biochemical pathways, this approach built upon an established AOP describing spironolactone's androgenic properties and highlighted broader implications potentially unrelated to androgen receptor activation, which could form a basis for the development of an AOP network.
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Affiliation(s)
- J M Davis
- U.S. EPA, National Exposure Research Laboratory, 960 College Station Rd., Athens, GA 30605, USA.
| | - D R Ekman
- U.S. EPA, National Exposure Research Laboratory, 960 College Station Rd., Athens, GA 30605, USA.
| | - D M Skelton
- U.S. EPA, National Exposure Research Laboratory, 960 College Station Rd., Athens, GA 30605, USA
| | - C A LaLone
- U.S. EPA, National Health and Environmental Effects Research Laboratory, 6201 Congdon Blvd., Duluth, MN 55804, USA
| | - G T Ankley
- U.S. EPA, National Health and Environmental Effects Research Laboratory, 6201 Congdon Blvd., Duluth, MN 55804, USA
| | - J E Cavallin
- U.S. EPA, National Health and Environmental Effects Research Laboratory, 6201 Congdon Blvd., Duluth, MN 55804, USA
| | - D L Villeneuve
- U.S. EPA, National Health and Environmental Effects Research Laboratory, 6201 Congdon Blvd., Duluth, MN 55804, USA
| | - T W Collette
- U.S. EPA, National Exposure Research Laboratory, 960 College Station Rd., Athens, GA 30605, USA
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74
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Vireque AA, Tata A, Belaz KRA, Grázia JGV, Santos FN, Arnold DR, Basso AC, Eberlin MN, Silva-de-Sá MF, Ferriani RA, Sá Rosa-E-Silva ACJ. MALDI mass spectrometry reveals that cumulus cells modulate the lipid profile of in vitro-matured bovine oocytes. Syst Biol Reprod Med 2017; 63:86-99. [PMID: 28301258 DOI: 10.1080/19396368.2017.1289279] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The influence of cumulus cells (CC) on the lipid profile of bovine oocytes matured in two different lipid sources was investigated. Cumulus-oocyte complexes (COC) or denuded oocytes (DO) were matured in tissue culture medium (TCM) supplemented with fetal bovine serum (FBS) or serum substitute supplement (SSS). Lipid profiles of TCM, serum supplements, immature CC and oocyte (IO), and in vitro-matured oocytes from COC and DO were then analyzed by matrix assisted laser desorption ionization mass spectrometry (MALDI-MS) and submitted to partial least squares-discriminant analysis (PLS-DA). The developmental competence of such oocytes was also assessed. Differences in lipid composition were observed between two types of sera and distinctly influenced the lipid profile of CC. As revealed by PLS-DA, the abundance of specific ions corresponding to triacylglycerols (TAG) or phospholipids (PL) were higher in COC compared to DO both supplemented with FBS or SSS and to some extent affected the subsequent DO in vitro embryo development. DO exposed to SSS had however a marked diminished ability to develop to the blastocyst stage. These results indicate a modulation by CC of the oocyte TAG and PL profiles associated with a specific cell response to the serum supplement used for in vitro maturation.
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Affiliation(s)
- Alessandra A Vireque
- a Department of Obstetrics and Gynecology, School of Medicine of Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Alessandra Tata
- b ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry , University of Campinas , Campinas , SP , Brazil
| | - Katia Roberta A Belaz
- b ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry , University of Campinas , Campinas , SP , Brazil
| | | | - Fábio N Santos
- b ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry , University of Campinas , Campinas , SP , Brazil
| | | | | | - Marcos N Eberlin
- b ThoMSon Mass Spectrometry Laboratory, Institute of Chemistry , University of Campinas , Campinas , SP , Brazil
| | - Marcos Felipe Silva-de-Sá
- a Department of Obstetrics and Gynecology, School of Medicine of Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Rui A Ferriani
- a Department of Obstetrics and Gynecology, School of Medicine of Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
| | - Ana Carolina J Sá Rosa-E-Silva
- a Department of Obstetrics and Gynecology, School of Medicine of Ribeirão Preto , University of São Paulo , Ribeirão Preto , SP , Brazil
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75
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Martino NA, Marzano G, Mangiacotti M, Miedico O, Sardanelli AM, Gnoni A, Lacalandra GM, Chiaravalle AE, Ciani E, Bogliolo L, Minervini F, Pizzi F, Dell'Aquila ME. Exposure to cadmium during in vitro maturation at environmental nanomolar levels impairs oocyte fertilization through oxidative damage: A large animal model study. Reprod Toxicol 2017; 69:132-145. [PMID: 28188904 DOI: 10.1016/j.reprotox.2017.02.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 01/19/2017] [Accepted: 02/06/2017] [Indexed: 12/12/2022]
Abstract
Cadmium is a highly toxic heavy metal with negative effects on oocyte fertilization. The aim of this study was to analyse whether cadmium-induced impairment of fertilization is caused by mitochondria dysfunction and oxidative stress in the cumulus-oocyte complex (COC). Preliminarily, 19 trace element levels were measured in ovaries from juvenile and adult ewes and age-related cadmium ovarian bioaccumulation at nanomolar concentrations was found. COCs from juvenile and adult ewes, exposed during in vitro maturation to 1nM or 100nM CdCl2, and subjected to in vitro fertilization showed significantly lower fertilization rates in exposed COCs compared with controls. In vitro matured exposed and control COCs underwent confocal microscopy analysis of mitochondria activity and reactive oxygen species (ROS) levels and lipid peroxidation (LPO) assay at cumulus cell and oocyte level. In both age groups, cadmium at nanomolar concentrations induced cumulus-oocyte mitochondria over-activity and oxidative damage which were related to impaired oocyte fertilization.
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Affiliation(s)
- N A Martino
- Istituto Zooprofilattico Sperimentale di Puglia e Basilicata, Via Manfredonia 20, 71121 Foggia, Italy; Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Str. Prov. Casamassima Km 3, 70010, Valenzano, Bari, Italy.
| | - G Marzano
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Str. Prov. Casamassima Km 3, 70010, Valenzano, Bari, Italy.
| | - M Mangiacotti
- Istituto Zooprofilattico Sperimentale di Puglia e Basilicata, Via Manfredonia 20, 71121 Foggia, Italy.
| | - O Miedico
- Istituto Zooprofilattico Sperimentale di Puglia e Basilicata, Via Manfredonia 20, 71121 Foggia, Italy.
| | - A M Sardanelli
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari Aldo Moro, P.zza G. Cesare, 11 70124 Bari, Italy; Institute of Translational Pharmacology (IFT), National Research Council of Italy (CNR), via del Fosso del Cavaliere 100, 00133 Rome, Italy.
| | - A Gnoni
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, University of Bari Aldo Moro, P.zza G. Cesare, 11 70124 Bari, Italy.
| | - G M Lacalandra
- Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Str. Prov. Casamassima Km 3, 70010, Valenzano, Bari, Italy.
| | - A E Chiaravalle
- Istituto Zooprofilattico Sperimentale di Puglia e Basilicata, Via Manfredonia 20, 71121 Foggia, Italy.
| | - E Ciani
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Str. Prov. Casamassima Km 3, 70010, Valenzano, Bari, Italy.
| | - L Bogliolo
- Obstetrics and Gynaecology Section, Department of Veterinary Medicine, Via Vienna, n°2 07100 Sassari, Italy.
| | - F Minervini
- Istituto di Scienze delle Produzioni Alimentari (ISPA), National Research Council of Italy (CNR), Via G. Amendola 122/O, 70125 Bari (BA), Italy.
| | - F Pizzi
- Istituto di Biologia e Biotecnologia Agraria (IBBA), National Research Council of Italy (CNR), Sede di Lodi-Via A. Einstein, 26500 Lodi, Italy.
| | - M E Dell'Aquila
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari Aldo Moro, Str. Prov. Casamassima Km 3, 70010, Valenzano, Bari, Italy.
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76
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Yuan B, Liang S, Kwon JW, Jin YX, Park SH, Wang HY, Sun TY, Zhang JB, Kim NH. The Role of Glucose Metabolism on Porcine Oocyte Cytoplasmic Maturation and Its Possible Mechanisms. PLoS One 2016; 11:e0168329. [PMID: 27997591 PMCID: PMC5173360 DOI: 10.1371/journal.pone.0168329] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 11/30/2016] [Indexed: 12/30/2022] Open
Abstract
In the present study, we investigated the potential role of glucose and pyruvate in the cytoplasmic maturation of porcine oocytes by investigating the effect of glucose and/or pyruvate supplementation, in the presence or absence of 10% porcine follicular fluid (PFF), on meiotic maturation and subsequent embryo development. In the absence of 10% PFF, without exogenous addition of glucose and pyruvate, the medium seemed unable to support maturation. In the presence of 10% PFF, the addition of 5.6 mM glucose and/or 2 mM pyruvate during in vitro maturation of cumulus enclosed oocytes increased MII oocyte and blastocyst rates. In contrast, oocytes denuded of cumulus cells were not able to take full advantage of the glucose in the medium, as only pyruvate was able to increase the MII rate and the subsequent early embryo developmental ability. Treatment of cumulus enclosed oocytes undergoing maturation with 200 μM dehydroepiandrosterone (DHEA), a pentose phosphate pathway inhibitor, or 2 μM iodoacetate (IA), a glycolysis inhibitor, significantly reduced GHS, intra-oocyte ATP, maternal gene expression, and MPF activity levels. DHEA was also able to increase ROS and reduce the levels of NADPH. Moreover, blastocysts of the DHEA- or IA-treated groups presented higher apoptosis rates and markedly lower cell proliferation cell rates than those of the non-treated group. In conclusion, our results suggest that oocytes maturing in the presence of 10% PFF can make full use of energy sources through glucose metabolism only when they are accompanied by cumulus cells, and that pentose phosphate pathway (PPP) and glycolysis promote porcine oocyte cytoplasmic maturation by supplying energy, regulating maternal gene expression, and controlling MPF activity.
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Affiliation(s)
- Bao Yuan
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, China
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Shuang Liang
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Jeong-Woo Kwon
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Yong-Xun Jin
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, China
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Shun-Ha Park
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Hai-Yang Wang
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Tian-Yi Sun
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Jia-Bao Zhang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, China
- * E-mail: (NHK); (JBZ)
| | - Nam-Hyung Kim
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, China
- Molecular Embryology Laboratory, Department of Animal Sciences, Chungbuk National University, Cheongju, Chungbuk, South Korea
- * E-mail: (NHK); (JBZ)
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77
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Warzych E, Pawlak P, Pszczola M, Cieslak A, Lechniak D. Prepubertal heifers versus cows-The differences in the follicular environment. Theriogenology 2016; 87:36-47. [PMID: 27634396 DOI: 10.1016/j.theriogenology.2016.08.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2016] [Revised: 07/27/2016] [Accepted: 08/03/2016] [Indexed: 02/07/2023]
Abstract
The oocyte quality is to a large extent influenced by the sexual maturity of the donor female. Although this phenomenon has already been broadly described in domestic animals, the underlying mechanisms are poorly understood. Published data focus on oocyte ultrastructure, fertilization abnormalities, and blastocyst developmental rate. The goal of the present experiment was to characterize the follicular environment (oocyte, cumulus [CC] and granulosa (GC) cells as well as follicular fluid [FF]) in ovarian follicles of prepubertal heifers and cows. Each experimental replicate included the following set of traits within individual follicles: lipid droplets (LDs) number in oocytes, expression of seven genes involved in energy metabolism (fatty acids [FAs] metabolism-ELOVL2, ELOVL5, SCD, FADS2, glucose transport-GLUT1, GLUT3, GLUT8) in CC and GC as well as FA composition and glucose concentration in FF. According to our results, cow oocytes were larger in diameter and contained more LD than those from prepubertal heifers, both before and after IVM. The LD number was also higher in cow oocytes after IVM, when compared to immature oocytes. The FF from cow follicles had elevated glucose content similarly to the majority of the analyzed FA. Transcript analysis revealed differences for five out of seven analyzed genes (ELOVL, FADS2, SCD, GLUT3, GLUT8) in CC and GC cells. However after considering the female category, the only difference was noticed for the mRNA of SCD gene, which was more abundant in cow GC. This finding may indicate distinct roles of CC and GC in follicular energy metabolism. In conclusions, we suggest that distinct properties of follicular environment in prepubertal heifers and cows may be responsible for differences in the quality of oocytes from the two categories of donors. We hypothesize that suboptimal environment in heifer follicles (glucose and FA lower content in FF) determines reduced quality of their oocytes (lower diameter and LD number) and limited maturation potential. Besides, energy demands of heifer oocytes may be restricted due to a low LD number, exerting a negative effect on the development of the future embryo. The advantages of cow gametes (e.g., higher LD number and diameter) attributed to oocytes of superior quality may support the statement that cows donate oocytes of better quality than heifers.
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Affiliation(s)
- E Warzych
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland.
| | - P Pawlak
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland
| | - M Pszczola
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland
| | - A Cieslak
- Department of Animal Nutrition and Feed Management, Poznan University of Life Sciences, Poznan, Poland
| | - D Lechniak
- Department of Genetics and Animal Breeding, Poznan University of Life Sciences, Poznan, Poland
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78
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Khan DR, Landry DA, Fournier É, Vigneault C, Blondin P, Sirard MA. Transcriptome meta-analysis of three follicular compartments and its correlation with ovarian follicle maturity and oocyte developmental competence in cows. Physiol Genomics 2016; 48:633-43. [PMID: 27401219 DOI: 10.1152/physiolgenomics.00050.2016] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2016] [Accepted: 07/01/2016] [Indexed: 12/13/2022] Open
Abstract
Oocyte developmental competence in superstimulated cows is dependent in part on the duration of the FSH coasting. FSH coasting refers to superstimulation with FSH (2 days of endogenous FSH following follicle ablation and 3 days of FSH injections) followed by no FSH for a specific duration. The optimal duration varies among individuals. FSH coasting appears to modulate the transcriptome of different follicular compartments, which cooperate as a single functional unit. However, the integrative effects of FSH coasting on different follicular compartments remain ambiguous. Meta-analysis of three independent transcriptome studies, each focused on a single cell type (granulosa, cumulus, and oocyte) during FSH coasting, allowed the identification of 12 gene clusters with similar time-course expression patterns in all three compartments. Network analysis identified HNF4A (involved in metabolic functions) and ELAVL1 (an RNA-binding protein) as hub genes regulated respectively upward and downward in the clusters enriched at the optimal coasting time, and APP (involved in mitochondrial functions) and COPS5 (a member of the COP9 signalosome) as hub genes regulated respectively upwards and downwards in the clusters enriched progressively throughout the coasting period. We confirmed the effects on HNF4A downstream targets (TTR, PPL) and other hub genes (ELAVL1, APP, MYC, and PGR) in 30 cows with RT-quantitative PCR. The correlation of hub gene expression levels with FSH coasting indicated that a combination of these genes could predict oocyte competence with 83% sensitivity, suggesting that they are potential biomarkers of follicle differentiation. These findings could be used to optimize FSH coasting on an individual basis.
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Affiliation(s)
- Daulat Raheem Khan
- Centre de Recherche en Biologie de la Reproduction, Département des Sciences Animales, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Québec, Canada; and
| | - David A Landry
- Centre de Recherche en Biologie de la Reproduction, Département des Sciences Animales, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Québec, Canada; and
| | - Éric Fournier
- Centre de Recherche en Biologie de la Reproduction, Département des Sciences Animales, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Québec, Canada; and
| | | | - Patrick Blondin
- L'Alliance Boviteq Incorporated, Saint-Hyacinthe, Québec, Canada
| | - Marc-André Sirard
- Centre de Recherche en Biologie de la Reproduction, Département des Sciences Animales, Faculté des sciences de l'agriculture et de l'alimentation, Université Laval, Québec, Canada; and
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79
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Ferré P, Bui TMT, Wakai T, Funahashi H. Effect of removing cumulus cells from porcine cumulus-oocyte complexes derived from small and medium follicles during IVM on the apoptotic status and meiotic progression of the oocytes. Theriogenology 2016; 86:1705-10. [PMID: 27329157 DOI: 10.1016/j.theriogenology.2016.05.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 05/11/2016] [Accepted: 05/20/2016] [Indexed: 12/21/2022]
Abstract
The present study was undertaken to examine the apoptotic status and meiotic progression of oocytes from small follicle (SF; 0.5-2 mm in diameter) and medium follicle (MF; 3-6 mm in diameter) when the oocytes were denuded before, during, and after IVM. Cumulus-oocyte complexes (COCs) were collected from SF or MF of prepubertal gilt ovaries. Before or 20 hours after the start of IVM culture, some oocytes were denuded and cultured for IVM. At the end of IVM, apoptotic status and meiotic progression of the oocytes were compared with oocytes matured in the presence of cumulus cells (CCs) by Annexin-V/PI assay and 4',6-Diamidino-2-phenylindole staining. Apoptotic status of the oocytes was only affected by time when the oocytes were denuded. In both oocytes from SF and MF, although the incidence of early and late apoptotic oocytes was significantly higher when the CCs were removed before IVM, the rate was significantly lower when CCs were removed 20 and 44 hours after the start of IVM. The incidence of mature oocytes was significantly affected by both the origin of COCs and time when oocytes were denuded from the COCs. Although the percentage of mature oocytes was higher in MF than SF, maturation rates were significantly higher when oocytes were denuded 20 hours, as compared with 0 and 44 hours after the start of IVM. However, the percentage of mature oocytes with a morphologically normal spindle was significantly higher when oocytes were denuded 44 hours, rather than 22 hours of IVM. In conclusion, removing CCs 20 hours after the start of IVM seems to promote meiotic progression of the oocytes to the metaphase-II stage even when the COCs were collected from SF, although factor(s) from or communication with CCs during IVM may need to obtain a morphologically normal spindle in mature oocytes.
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Affiliation(s)
- Pilar Ferré
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
| | - Tra Mi Thi Bui
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
| | - Takuya Wakai
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan
| | - Hiroaki Funahashi
- Department of Animal Science, Graduate School of Environmental and Life Science, Okayama University, Okayama, Japan.
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80
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Oseikria M, Elis S, Maillard V, Corbin E, Uzbekova S. N-3 polyunsaturated fatty acid DHA during IVM affected oocyte developmental competence in cattle. Theriogenology 2016; 85:1625-1634.e2. [PMID: 26898414 DOI: 10.1016/j.theriogenology.2016.01.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 01/19/2016] [Accepted: 01/24/2016] [Indexed: 12/20/2022]
Abstract
The positive effect of n-3 polyunsaturated fatty acids (FAs) on fertility in ruminants seems to be partly mediated through direct effects on the oocyte developmental potential. We aimed to investigate whether supplementation with physiological levels of docosahexaenoic acid (DHA, C22:6 n-3 polyunsaturated fatty acids) during IVM has an effect on oocyte maturation and in vitro embryo development in cattle. We reported that DHA (0, 1, 10, or 100 μM) had no effect on oocyte viability or maturation rate after 22-hour IVM. Incubation of oocyte-cumulus complexes with 1-μM DHA during IVM significantly increased (P < 0.05) oocyte cleavage rate as compared with control (86.1% vs. 78.8%, respectively) and the greater than 4-cell embryo rate at Day 2 after parthenogenetic activation (39.1% vs. 29.7%, respectively). Supplementation with 1 μM DHA during IVM also induced a significant increase in the blastocyst rate at Day 7 after IVF as compared with control (30.6% vs. 17.6%, respectively) and tended to increase the number of cells in the blastocysts (97.1 ± 4.9 vs. 81.2 ± 5.3, respectively; P = 0.08). On the contrary, 10-μM DHA had no effects, whereas 100-μM DHA significantly decreased the cleavage rate compared with control (69.5% vs.78.8%, respectively) and the greater than 4-cell embryo rate at Day 2 after parthenogenetic activation (19.5% vs. 29.7%). As was shown by real-time polymerase chain reaction, negative effects of 100-μM DHA were associated with significant increase of progesterone synthesis by oocyte-cumulus complexes, a three-fold increase in expression level of FA transporter CD36 and a two-fold decrease of FA synthase FASN genes in cumulus cells (CCs) of corresponding oocytes. Docosahexaenoic acid at 1 and 10 μM had no effect on expression of those and other key lipid metabolism-related genes in CC. In conclusion, administration of a low physiological dose of DHA (1 μM) during IVM may have beneficial effects on oocyte developmental competence in vitro without affecting lipid metabolism gene expression in surrounding CCs, contrarily to 100 μM DHA which diminished oocyte quality associated with perturbation of lipid and steroid metabolism in CC.
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Affiliation(s)
- Mouhamad Oseikria
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France; CNRS, UMR 7247 Physiologie de la Reproduction et des Comportements, Nouzilly, France; Université François Rabelais de Tours, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France; IFCE, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Sébastien Elis
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France; CNRS, UMR 7247 Physiologie de la Reproduction et des Comportements, Nouzilly, France; Université François Rabelais de Tours, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France; IFCE, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France.
| | - Virginie Maillard
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France; CNRS, UMR 7247 Physiologie de la Reproduction et des Comportements, Nouzilly, France; Université François Rabelais de Tours, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France; IFCE, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Emilie Corbin
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France; CNRS, UMR 7247 Physiologie de la Reproduction et des Comportements, Nouzilly, France; Université François Rabelais de Tours, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France; IFCE, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
| | - Svetlana Uzbekova
- INRA, UMR85 Physiologie de la Reproduction et des Comportements, Nouzilly, France; CNRS, UMR 7247 Physiologie de la Reproduction et des Comportements, Nouzilly, France; Université François Rabelais de Tours, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France; IFCE, UMR Physiologie de la Reproduction et des Comportements, Nouzilly, France
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81
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Lee S, Jin JX, Khoirinaya C, Kim GA, Lee BC. Lanosterol influences cytoplasmic maturation of pig oocytes in vitro and improves preimplantation development of cloned embryos. Theriogenology 2015; 85:575-84. [PMID: 26494176 DOI: 10.1016/j.theriogenology.2015.09.041] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Revised: 09/18/2015] [Accepted: 09/18/2015] [Indexed: 12/26/2022]
Abstract
Lanosterol is a precursor of meiosis-activating sterols in the cholesterol biosynthetic pathway and induces a physiological signal that instructs the oocyte to reinitiate meiosis. In this study, we examined the effect of lanosterol on IVM of porcine oocytes, specifically on nuclear maturation, cytoplasmic maturation by investigating intracellular glutathione (GSH) levels and lipid content, embryonic development after parthenogenetic activation and somatic cell nuclear transfer (SCNT), and on gene expression in cumulus cells, oocytes, and SCNT-derived blastocysts. There was no significant difference in nuclear maturation rates between the control and treatment groups (10, 50, and 100 μM of lanosterol added to IVM culture medium). Supplementation with 50-μM lanosterol significantly increased lipid content and GSH levels and decreased reactive oxygen species levels compared with the control. In addition, oocytes treated with 50 μM of lanosterol exhibited significantly increased blastocyst formation rates and total cell numbers after parthenogenetic activation (30.3% and 63.9 vs. 21.6% and 36.5, respectively) and SCNT (18.2% and 53.7 vs. 12.6% and 37.5, respectively), when compared with the control group. Cumulus cells treated with 50 μM of lanosterol showed significantly increased 14α-demethylase, Δ14-reductase, and Δ7-reductase mRNA transcript levels. Significantly increased PPARγ, SREBF1, GPX1, and Bcl-2 and decreased Bax transcript levels were observed in mature oocytes treated with 50 μM of lanosterol compared with the control. SCNT blastocysts derived from 50-μM lanosterol-treated oocytes had significantly higher POU5F1, FGFR2, and Bcl-2 transcript levels than control SCNT-derived blastocysts. In conclusion, supplementation with 50 μM of lanosterol during IVM improves preimplantation development of SCNT embryos by elevating lipid content of oocytes, increasing GSH levels, decreasing reactive oxygen species levels, and regulating genes related to the cholesterol biosynthetic pathway in cumulus cells, to lipid metabolism and apoptosis in oocytes, and their developmental potential and apoptosis in blastocysts.
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Affiliation(s)
- Sanghoon Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jun-Xue Jin
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Candrani Khoirinaya
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Geon A Kim
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Byeong Chun Lee
- Department of Theriogenology and Biotechnology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea; Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang, Kangwon do, Korea.
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82
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Uzbekova S, Elis S, Teixeira-Gomes AP, Desmarchais A, Maillard V, Labas V. MALDI Mass Spectrometry Imaging of Lipids and Gene Expression Reveals Differences in Fatty Acid Metabolism between Follicular Compartments in Porcine Ovaries. BIOLOGY 2015; 4:216-36. [PMID: 25756245 PMCID: PMC4381227 DOI: 10.3390/biology4010216] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 02/18/2015] [Accepted: 02/27/2015] [Indexed: 12/21/2022]
Abstract
In mammals, oocytes develop inside the ovarian follicles; this process is strongly supported by the surrounding follicular environment consisting of cumulus, granulosa and theca cells, and follicular fluid. In the antral follicle, the final stages of oogenesis require large amounts of energy that is produced by follicular cells from substrates including glucose, amino acids and fatty acids (FAs). Since lipid metabolism plays an important role in acquiring oocyte developmental competence, the aim of this study was to investigate site-specificity of lipid metabolism in ovaries by comparing lipid profiles and expression of FA metabolism-related genes in different ovarian compartments. Using MALDI Mass Spectrometry Imaging, images of porcine ovary sections were reconstructed from lipid ion signals for the first time. Cluster analysis of ion spectra revealed differences in spatial distribution of lipid species among ovarian compartments, notably between the follicles and interstitial tissue. Inside the follicles analysis differentiated follicular fluid, granulosa, theca and the oocyte-cumulus complex. Moreover, by transcript quantification using real time PCR, we showed that expression of five key genes in FA metabolism significantly varied between somatic follicular cells (theca, granulosa and cumulus) and the oocyte. In conclusion, lipid metabolism differs between ovarian and follicular compartments.
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Affiliation(s)
- Svetlana Uzbekova
- INRA, UMR INRA 85-CNRS 7247-Université de Tours-IFCE, Physiologie de la Reproduction et des Comportements, F-37540 Nouzilly, France.
- INRA, Plate-Forme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, F-37380 Nouzilly, France.
| | - Sebastien Elis
- INRA, UMR INRA 85-CNRS 7247-Université de Tours-IFCE, Physiologie de la Reproduction et des Comportements, F-37540 Nouzilly, France.
| | - Ana-Paula Teixeira-Gomes
- INRA, Plate-Forme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, F-37380 Nouzilly, France.
- INRA, UMR 1282 Infectiologie et Santé Publique, F-37380 Nouzilly, France.
| | - Alice Desmarchais
- INRA, UMR INRA 85-CNRS 7247-Université de Tours-IFCE, Physiologie de la Reproduction et des Comportements, F-37540 Nouzilly, France.
| | - Virginie Maillard
- INRA, UMR INRA 85-CNRS 7247-Université de Tours-IFCE, Physiologie de la Reproduction et des Comportements, F-37540 Nouzilly, France.
| | - Valerie Labas
- INRA, UMR INRA 85-CNRS 7247-Université de Tours-IFCE, Physiologie de la Reproduction et des Comportements, F-37540 Nouzilly, France.
- INRA, Plate-Forme d'Analyse Intégrative des Biomolécules, Laboratoire de Spectrométrie de Masse, F-37380 Nouzilly, France.
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83
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Labas V, Spina L, Belleannee C, Teixeira-Gomes AP, Gargaros A, Dacheux F, Dacheux JL. Analysis of epididymal sperm maturation by MALDI profiling and top-down mass spectrometry. J Proteomics 2015; 113:226-43. [DOI: 10.1016/j.jprot.2014.09.031] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2014] [Revised: 09/17/2014] [Accepted: 09/30/2014] [Indexed: 12/27/2022]
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