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Meng J, Zhao Y, Song X, An Q, Wu Z. Deciphering the miRNA transcriptome of granulosa cells from dominant and subordinate follicles at first follicular wave in goat. Anim Biotechnol 2024; 35:2259967. [PMID: 37750325 DOI: 10.1080/10495398.2023.2259967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
In goats, most follicles in the ovaries will be atresia and only a few dominant follicles (DFs) may eventually mature and ovulate at a follicular wave. To investigate the potential microRNAs (miRNAs) that regulate the expression of genes associated with follicular dominance or atresia, small RNA sequencing was performed on granulosa cells of DF and subordinate follicle at the first follicular wave in goats. A total of 108 differentially expressed miRNAs were detected in the two types of follicle granulosa cells: 16 upregulated miRNAs and 92 downregulated miRNAs. Kyoto Encyclopedia of Genes and Genomes analysis of the target genes showed that TKTL1, LOC102187810, LOC102184409 and ALDOA are closely associated with follicle dominance and are involved in the pentose phosphate pathway. Furthermore, a coexpression network of miRNAs and follicular dominance-related genes was constructed. The qPCR results well correlated with the small RNA sequencing data. Our findings provide new insight for exploring the molecular mechanism of miRNAs in regulating follicular development in goats.
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Affiliation(s)
- Jinzhu Meng
- Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, P.R. China
- College of Veterinary Medicine, Hunan Agricultural University, Changsha, P.R. China
| | - Yuanyuan Zhao
- Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, P.R. China
| | - Xingchao Song
- Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, P.R. China
| | - Qingming An
- Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, P.R. China
| | - Zhenyang Wu
- Key Laboratory for Biodiversity Conservation and Utilization in the Fanjing Mountain Region, Tongren University, Tongren, P.R. China
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Tao X, Rahimi M, Michaelis M, Görs S, Brenmoehl J, Vanselow J, Baddela VS. Saturated fatty acids inhibit unsaturated fatty acid induced glucose uptake involving GLUT10 and aerobic glycolysis in bovine granulosa cells. Sci Rep 2024; 14:9888. [PMID: 38688953 PMCID: PMC11061182 DOI: 10.1038/s41598-024-59883-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Accepted: 04/16/2024] [Indexed: 05/02/2024] Open
Abstract
Fatty acids have been shown to modulate glucose metabolism in vitro and in vivo. However, there is still a need for substantial evidence and mechanistic understanding in many cell types whether both saturated and unsaturated fatty acids (SFAs and UFAs) pose a similar effect and, if not, what determines the net effect of fatty acid mixes on glucose metabolism. In the present study, we asked these questions by treating granulosa cells (GCs) with the most abundant non-esterified fatty acid species in bovine follicular fluid. Results revealed that oleic and alpha-linolenic acids (UFAs) significantly increased glucose consumption compared to palmitic and stearic acids (SFAs). A significant increase in lactate production, extracellular acidification rate, and decreased mitochondrial activity indicate glucose channeling through aerobic glycolysis in UFA treated GCs. We show that insulin independent glucose transporter GLUT10 is essential for UFA driven glucose consumption, and the induction of AKT and ERK signaling pathways necessary for GLUT10 expression. To mimic the physiological conditions, we co-treated GCs with mixes of SFAs and UFAs. Interestingly, co-treatments abolished the UFA induced glucose uptake and metabolism by inhibiting AKT and ERK phosphorylation and GLUT10 expression. These data suggest that the net effect of fatty acid induced glucose uptake in GCs is determined by SFAs under physiological conditions.
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Affiliation(s)
- Xuelian Tao
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Maryam Rahimi
- Abteilung Biotechnologie und Reproduktion Landwirtschaftlicher Nutztiere, Georg-August-Universität Göttingen, 37037, Göttingen, Germany
| | - Marten Michaelis
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Solvig Görs
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Julia Brenmoehl
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Jens Vanselow
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Vijay Simha Baddela
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
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Przygrodzka E, Binderwala F, Powers R, McFee RM, Cupp AS, Wood JR, Davis JS. Central Role for Glycolysis and Fatty Acids in LH-responsive Progesterone Synthesis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.14.580329. [PMID: 38405789 PMCID: PMC10888869 DOI: 10.1101/2024.02.14.580329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Progesterone production by the corpus luteum is fundamental for establishing and maintaining pregnancy. The pituitary gonadotropin luteinizing hormone (LH) is recognized as the primary stimulus for luteal formation and progesterone synthesis, regardless of species. Previous studies demonstrated an elevation in abundance of genes related to glucose and lipid metabolism during the follicular to luteal transition. However, the metabolic phenotype of these highly steroidogenic cells has not been studied. Herein, we determined acute metabolic changes induced by LH in primary luteal cells and defined pathways required for progesterone synthesis. Untargeted metabolomics analysis revealed that LH induces rapid changes in vital metabolic pathways, including glycolysis, tricarboxylic acid (TCA) cycle, pentose phosphate pathway, de novo lipogenesis, and hydrolysis of phospholipids. LH stimulated glucose uptake, enhanced glycolysis, and flux of [U- 13 C 6 ]-labeled glucose-derived carbons into metabolic branches associated with adenosine 5'-triphosphate (ATP) and NADH/NADPH production, synthesis of nucleotides, proteins, and lipids, glycosylation of proteins or lipids, and redox homeostasis. Selective use of small molecule inhibitors targeting the most significantly changed pathways, such as glycolysis, TCA cycle, and lipogenesis, uncovered cellular metabolic routes required for LH-stimulated steroidogenesis. Furthermore, LH via the protein kinase A (PKA) pathway triggered post- translational modification of acetyl-CoA carboxylase alpha (ACACA) and ATP citrate lyase (ACLY), enzymes involved in de novo synthesis of fatty acids. Inhibition of ACLY and fatty acid transport into mitochondria reduced LH-stimulated ATP, cAMP production, PKA activation, and progesterone synthesis. Taken together, these findings reveal novel hormone-sensitive metabolic pathways essential for maintaining LHCGR/PKA signaling and steroidogenesis in ovarian luteal cells. Significance The establishment and maintenance of pregnancy require a well-developed corpus luteum, an endocrine gland within the ovary that produces progesterone. Although there is increased awareness of intracellular signaling events initiating the massive production of progesterone during the reproductive cycle and pregnancy, there are critical gaps in our knowledge of the metabolic and lipidomic pathways required for initiating and maintaining luteal progesterone synthesis. Here, we describe rapid, hormonally triggered metabolic pathways, and define metabolic targets crucial for progesterone synthesis by ovarian steroidogenic cells. Understanding hormonal control of metabolic pathways may help elucidate approaches for improving ovarian function and successful reproduction or identifying metabolic targets for developing nonhormonal contraceptives.
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Ning Z, Deng X, Li L, Feng J, Du X, Amevor FK, Tian Y, Li L, Rao Y, Yi Z, Du X, Cui Z, Zhao X. miR-128-3p regulates chicken granulosa cell function via 14-3-3β/FoxO and PPAR-γ/LPL signaling pathways. Int J Biol Macromol 2023; 241:124654. [PMID: 37119902 DOI: 10.1016/j.ijbiomac.2023.124654] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/01/2023]
Abstract
MicroRNAs (miRNAs) are class of 22 nt short RNA sequences which inhibit protein translation through binding to the 3'UTR of its target genes. The continuous ovulatory property of chicken follicle makes it a perfect model for studying granulosa cell (GC) functions. In this study, we found that large number of miRNAs including miR-128-3p, were differentially expressed in the GCs of F1 and F5 follicles of chicken. Subsequently, the results revealed that miR-128-3p inhibited proliferation, the formation of lipid droplets, and hormone secretion in chicken primary GCs through directly targeting YWHAB and PPAR-γ genes. To determine the effects of 14-3-3β (encoded by YWHAB) protein on GCs functions, we overexpressed or inhibited the expression of YWHAB, and the results showed that YWHAB inhibited the function of FoxO proteins. Collectively, we found that miR-128-3p was highly expressed in the chicken F1 follicles compared to the F5 follicles. In addition, the results indicated that miR-128-3p promoted GC apoptosis through 14-3-3β/FoxO pathway via repressing YWHAB, and inhibited lipid synthesis by impeding the PPAR-γ/LPL pathway, as well as reduced the secretion of progesterone and estrogen. Taken together, the results showed that miR-128-3p plays a regulatory role in chicken granulosa cell function via 14-3-3β/FoxO and PPAR-γ/LPL signaling pathways.
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Affiliation(s)
- Zifan Ning
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Xun Deng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Liang Li
- Institute of Animal Husbandry and Veterinary Medicine, Guizhou Provincial Academy of Agricultural Sciences, Guiyang, PR China
| | - Jing Feng
- Institute of Animal Husbandry and Veterinary Medicine, College of Agriculture and Animal Husbandry of Tibet Autonomous Region, Lhasa, PR China
| | - Xiaxia Du
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Felix Kwame Amevor
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Yaofu Tian
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Lingxiang Li
- Bazhong Academy of Agriculture and Forestry Sciences, Bazhong, PR China
| | - Yong Rao
- Bazhong Academy of Agriculture and Forestry Sciences, Bazhong, PR China
| | - Zhixin Yi
- Bazhong Academy of Agriculture and Forestry Sciences, Bazhong, PR China
| | - Xiaohui Du
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China
| | - Zhifu Cui
- College of Animal Science and Technology, Southwest University, Chongqing, PR China.
| | - Xiaoling Zhao
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, PR China; Key Laboratory of Livestock and Poultry Multi-omics, Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology (Institute of Animal Genetics and Breeding), Sichuan Agricultural University, PR China.
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Maucieri AM, Townson DH. Evaluating the impact of the hexosamine biosynthesis pathway and O-GlcNAcylation on glucose metabolism in bovine granulosa cells. Mol Cell Endocrinol 2023; 564:111863. [PMID: 36690170 DOI: 10.1016/j.mce.2023.111863] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/08/2023] [Accepted: 01/16/2023] [Indexed: 01/22/2023]
Abstract
Granulosa cells (GCs) of ovarian follicles prefer glucose as a metabolic substrate for growth and maturation. Disruption of glucose utilization via the hexosamine biosynthesis pathway (HBP) impairs O-linked N-acetylglucosaminylation (O-GlcNAcylation) and inhibits proliferation of bovine GCs of both small (3-5 mm) and large (>8.5 mm) antral follicles. Knowing that 2-5% of all glucose in cells is utilized via the HBP, the aim of this study was to characterize glucose metabolism in bovine GCs and determine the impact of the HBP and O-GlcNAcylation on metabolic activity. The GCs were initially cultured in serum-containing medium to confluency and then sub-cultured in serum-free medium in 96 well plates (n = 10 ovary pairs). The cells were exposed to vehicle and inhibitors of the HBP and O-GlcNAcylation for 24 h. Extracellular acidification rate (ECAR; an indicator of glycolysis) and oxygen consumption rate (OCR; an indicator of oxidative phosphorylation) of the GCs were measured using a Seahorse xFe96 Analyzer, including the implementation of glycolytic and mitochondrial stress tests. GCs from small antral follicles exhibited overall greater metabolic activity than GCs from large antral follicles as evidenced by increased ECAR and OCR. Inhibition of the HBP and O-GlcNAcylation had no effect on the metabolic activity of GCs from either type of follicle. The glycolytic stress test indicated that GCs from both types of follicles possessed additional glycolytic capacity; but again, inhibition of the HBP and O-GlcNAcylation did not affect this. Interestingly, inhibition of cellular respiration by 2-Deoxy-D-glucose impaired OCR only in GCs from small antral follicles, but exposure to the mitochondrial stress test had no effect. Conversely, in GCs from large antral follicles, oxidative metabolism was impaired by the mitochondrial stress test and was accompanied by a concomitant increase in glycolytic metabolism. Immunodetection of glycolytic enzymes revealed that phosphofructokinase expression is increased in GCs of small antral follicles compared to large follicles. Inhibition of O-GlcNAcylation impaired the expression of hexokinase only in GCs of small antral follicles. Inhibition of O-GlcNAcylation also impaired the expression of phosphofructokinase, pyruvate kinase and pyruvate dehydrogenase in GCs of both types of follicles, but had no effect on the expression of lactate dehydrogenase. The results indicate that GCs of small antral follicles possess greater aerobic glycolytic capacity than GCs from large antral follicles; but disruption of the HBP and O-GlcNAcylation has little to no impact on metabolic activity.
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Affiliation(s)
- Abigail M Maucieri
- Department of Animal and Veterinary Sciences, The University of Vermont, Burlington, VT, 05405, USA
| | - David H Townson
- Department of Animal and Veterinary Sciences, The University of Vermont, Burlington, VT, 05405, USA; Department of Fisheries, Animal and Veterinary Sciences, The University of Rhode Island, Kingston, RI, 02881, USA.
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Wang Y, Guo Y, Duan C, Li J, Ji S, Yan H, Liu Y, Zhang Y. LncGSAR Controls Ovarian Granulosa Cell Steroidogenesis via Sponging MiR-125b to Activate SCAP/SREBP Pathway. Int J Mol Sci 2022; 23:ijms232012132. [PMID: 36293007 PMCID: PMC9603659 DOI: 10.3390/ijms232012132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 09/30/2022] [Accepted: 09/30/2022] [Indexed: 11/30/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) have been shown to play important roles in livestock fecundity, and many lncRNAs that affect follicular development and reproductive diseases have been identified in the ovary. However, only a few of them have been functionally annotated and mechanistically validated. In this study, we identified a new lncRNA (lncGSAR) and investigated its effects on the proliferation and steroidogenesis of ovine granulosa cells (GCs). High concentrations of glucose (add 33.6 mM glucose) caused high expression of lncGSAR in GCs by regulating its stability, and lncGSAR overexpression promoted GCs proliferation, estrogen secretion, and inhibited progesterone secretion, whereas interference with lncGASR had the opposite effect. Next, we found that the RNA molecules of lncGSAR act on MiR-125b as competitive endogenous RNA (ceRNA), and SREBP-cleavage-activating protein (SCAP) was verified as a target of MiR-125b. LncGASR overexpression increased the expression of SCAP, SREBP, and steroid hormone-related proteins, which can be attenuated by MiR-125b. Our results demonstrated that lncGSAR can act as a ceRNA to activate SCAP/SREBP signaling by sponging MiR-125b to regulate steroid hormone secretion in GCs. These findings provide new insights into the mechanisms of nutrient-regulated follicle development in ewes.
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Affiliation(s)
- Yong Wang
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Yunxia Guo
- College of Life Science, Hebei Agricultural University, Baoding 071000, China
| | - Chunhui Duan
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Junjie Li
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Shoukun Ji
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Huihui Yan
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Yueqin Liu
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
| | - Yingjie Zhang
- Laboratory of Small Ruminant Genetics, Breeding and Reproduction, College of Animal Science and Technology, Hebei Agricultural University, Baoding 071000, China
- Correspondence: ; Tel.: +86-31-2752-8366; Fax: +86-31-2752-8886
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Wang Y, Duan C, Guo Y, Li J, He H, Li R, Zhang Y, Liu Y. Effects of glucose on glycolysis and steroidogenesis as well as related gene expression in ovine granulosa cells in vitro. Small Rumin Res 2022. [DOI: 10.1016/j.smallrumres.2022.106766] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Ruggeri E, Young C, Ravida N, Sirard MA, Krisher R, de la Rey M, Herbst C, Durrant B. Glucose consumption and gene expression in granulosa cells collected before and after in vitro oocyte maturation in the southern white rhinoceros (Ceratotherium simum simum). Reprod Fertil Dev 2022; 34:875-888. [PMID: 35871524 DOI: 10.1071/rd22071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 06/20/2022] [Indexed: 11/23/2022] Open
Abstract
CONTEXT With two northern white rhinos (NWR) remaining, the continued existence of this species relies on studying their relative, the southern white rhino (SWR). AIMS (1) Characterise gene expression in granulosa cells (GC) from SWR cumulus oocyte complexes (COCs) prior to (Pre-) and after (Post-) in vitro maturation (IVM), comparing culture media and oocytes from donors treated with or without gonadotropin stimulation prior to ovum recovery; and (2) evaluate COC glucose consumption in spent media. METHODS COCs were retrieved from four SWRs. Granulosa cells were collected before and after IVM in SDZ or IZW medium. Total RNA was evaluated by qPCR. KEY RESULTS Oocyte maturation was greater in SDZ than IZW media. Expression of genes associated with follicle development increased in Pre-IVM GC. Six genes were differentially expressed in Post-IVM GC from stimulated compared to unstimulated donors. COCs from stimulated animals consumed more glucose. Fifty seven percent of oocytes in SDZ medium consumed all available glucose. CONCLUSIONS Gene expression changed upon in vitro maturation and gonadotropin stimulation. Higher glucose availability might be needed during IVM. IMPLICATIONS This is the first study examining GC gene expression and COC metabolic requirements in rhinoceros, which are critical aspects to optimise IVM of rhinoceros oocytes.
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Affiliation(s)
- E Ruggeri
- Reproductive Sciences, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, 15600 San Pasqual Valley Road, Escondido, CA 92027, USA
| | - C Young
- Reproductive Sciences, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, 15600 San Pasqual Valley Road, Escondido, CA 92027, USA
| | - N Ravida
- Reproductive Sciences, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, 15600 San Pasqual Valley Road, Escondido, CA 92027, USA
| | - M A Sirard
- Departement des Sciences Animales, Centre de Recherce en Reproduction, Développement et Santé Inter-générationnelle (CRDSI), Université Laval, Pavillion Des Services, Local 2732, Quebec, QC G1V 0A6, Canada
| | - R Krisher
- Genus PLC, 1525 River Road, De Forest, WI 53532, USA
| | - M de la Rey
- Embryo Plus, 41 Hendrik Vrewoerd Avenue, Brits 0250, South Africa
| | - C Herbst
- Embryo Plus, 41 Hendrik Vrewoerd Avenue, Brits 0250, South Africa
| | - B Durrant
- Reproductive Sciences, Beckman Center for Conservation Research, San Diego Zoo Wildlife Alliance, 15600 San Pasqual Valley Road, Escondido, CA 92027, USA
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Ghanem K, Johnson AL. Proteome profiling of chicken ovarian follicles immediately before and after cyclic recruitment. Mol Reprod Dev 2021; 88:571-583. [PMID: 34219321 DOI: 10.1002/mrd.23522] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 04/30/2021] [Accepted: 06/21/2021] [Indexed: 11/12/2022]
Abstract
A shotgun proteomics study using isobaric tags for relative and absolute quantification labeling was conducted to characterize proteins in chicken ovarian follicles immediately before and after cyclic recruitment. Granulosa cell (GC) layers from the most recently recruited follicle (GC9) and from each of the four largest prerecruitment follicles (GC1-4) plus theca tissue (TH) from the most recently recruited (TH9) and largest prerecruitment (TH1) follicles were compared. Of 1535 proteins identified, none were determined to be differentially expressed between TH9 and TH1. A pairwise comparison between GC9 and GC1, GC2, GC3, or GC4 resulted in one, five, five, and six differentially expressed proteins, respectively, including yolk and cholesterol transport proteins (vitellogenin 1-3 and apolipoprotein B). In addition, transforming growth factor-beta 1 and microRNA-21 pathways were predicted to be activated at recruitment. We also report, for the first time, the expression of the neuropeptide, RELAXIN-3 (RLN3), in GC. Quantitative polymerase chain reaction determined RLN3 expression to be highest in GC9 and GC1, but its receptors, RXFP1 and RXFP3, were highest in TH and ovarian stroma, respectively. Overall, cyclic recruitment is associated with changes in protein expression predominantly within follicle GC, and a potential role for RLN3 in follicle recruitment and the initiation of GC differentiation warrants further investigation.
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Affiliation(s)
- Kahina Ghanem
- Interdisciplinary Program in Physiology, The Pennsylvania State University, University Park, Pennsylvania, USA.,Department of Animal Science, The Pennsylvania State University, University Park, Pennsylvania, USA.,Department of Animal Science, University of Minnesota, Twin Cities, Minnesota, USA
| | - Alan L Johnson
- Interdisciplinary Program in Physiology, The Pennsylvania State University, University Park, Pennsylvania, USA.,Department of Animal Science, The Pennsylvania State University, University Park, Pennsylvania, USA.,Center for Reproductive Biology and Health, The Pennsylvania State University, University Park, Pennsylvania, USA
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Yuan X, Hu S, Li L, Han C, Liu H, He H, Xia L, Hu J, Hu B, Ran M, Liu Y, Wang J. Lipidomics profiling of goose granulosa cell model of stearoyl-CoA desaturase function identifies a pattern of lipid droplets associated with follicle development. Cell Biosci 2021; 11:95. [PMID: 34022953 PMCID: PMC8141238 DOI: 10.1186/s13578-021-00604-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 05/04/2021] [Indexed: 11/23/2022] Open
Abstract
Background Despite their important functions and nearly ubiquitous presence in cells, an understanding of the biology of intracellular lipid droplets (LDs) in goose follicle development remains limited. An integrated study of lipidomic and transcriptomic analyses was performed in a cellular model of stearoyl-CoA desaturase (SCD) function, to determine the effects of intracellular LDs on follicle development in geese. Results Numerous internalized LDs, which were generally spherical in shape, were dispersed throughout the cytoplasm of granulosa cells (GCs), as determined using confocal microscopy analysis, with altered SCD expression affecting LD content. GC lipidomic profiling showed that the majority of the differentially abundant lipid classes were glycerophospholipids, including PA, PC, PE, PG, PI, and PS, and glycerolipids, including DG and TG, which enriched glycerophospholipid, sphingolipid, and glycerolipid metabolisms. Furthermore, transcriptomics identified differentially expressed genes (DEGs), some of which were assigned to lipid-related Gene Ontology slim terms. More DEGs were assigned in the SCD-knockdown group than in the SCD-overexpression group. Integration of the significant differentially expressed genes and lipids based on pathway enrichment analysis identified potentially targetable pathways related to glycerolipid/glycerophospholipid metabolism. Conclusions This study demonstrated the importance of lipids in understanding follicle development, thus providing a potential foundation to decipher the underlying mechanisms of lipid-mediated follicle development. Supplementary Information The online version contains supplementary material available at 10.1186/s13578-021-00604-6.
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Affiliation(s)
- Xin Yuan
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Shenqiang Hu
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Liang Li
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Chunchun Han
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Hehe Liu
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Hua He
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Lu Xia
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Jiwei Hu
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Bo Hu
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Mingxia Ran
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Yali Liu
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China
| | - Jiwen Wang
- Country Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, People's Republic of China.
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Maucieri AM, Townson DH. Evidence and manipulation of O-GlcNAcylation in granulosa cells of bovine antral follicles†. Biol Reprod 2021; 104:914-923. [PMID: 33550377 PMCID: PMC8023420 DOI: 10.1093/biolre/ioab013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/02/2020] [Accepted: 01/26/2021] [Indexed: 01/15/2023] Open
Abstract
Glucose is a preferred energy substrate for metabolism by bovine granulosa cells (GCs). O-linked N-acetylglucosaminylation (O-GlcNAcylation), is a product of glucose metabolism that occurs as the hexosamine biosynthesis pathway (HBP) shunts O-GlcNAc sugars to serine and threonine residues of proteins. O-GlcNAcylation through the HBP is considered a nutrient sensing mechanism that regulates many cellular processes. Yet little is known of its importance in GCs. Here, O-GlcNAcylation in GCs and its effects on GC proliferation were determined. Bovine ovaries from a slaughterhouse, staged to the mid-to-late estrous period were used. Follicular fluid and GCs were aspirated from small (3-5 mm) and large (>10 mm) antral follicles. Freshly isolated GCs of small follicles exhibited greater expression of O-GlcNAcylation and O-GlcNAc transferase (OGT) than large follicles. Less glucose and more lactate was detectable in the follicular fluid of small versus large follicles. Culture of GCs revealed that inhibition of the HBP via the glutamine fructose-6-phosphate aminotransferase inhibitor, DON (50 μM), impaired O-GlcNAcylation and GC proliferation, regardless of follicle size. Direct inhibition of O-GlcNAcylation via the OGT inhibitor, OSMI-1 (50 μM), also prevented proliferation, but only in GCs of small follicles. Augmentation of O-GlcNAcylation via the O-GlcNAcase inhibitor, Thiamet-G (2.5 μM), had no effect on GC proliferation, regardless of follicle size. The results indicate GCs of bovine antral follicles undergo O-GlcNAcylation, and O-GlcNAcylation is associated with alterations of glucose and lactate in follicular fluid. Disruption of O-GlcNAcylation impairs GC proliferation. Thus, the HBP via O-GlcNAcylation constitutes a plausible nutrient-sensing pathway influencing bovine GC function and follicular growth.
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Affiliation(s)
- Abigail M Maucieri
- Department of Animal and Veterinary Sciences, The University of Vermont, Burlington, VT, USA
| | - David H Townson
- Department of Animal and Veterinary Sciences, The University of Vermont, Burlington, VT, USA
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O'Neill EN, Cosenza ZA, Baar K, Block DE. Considerations for the development of cost-effective cell culture media for cultivated meat production. Compr Rev Food Sci Food Saf 2020; 20:686-709. [PMID: 33325139 DOI: 10.1111/1541-4337.12678] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 10/30/2020] [Accepted: 11/03/2020] [Indexed: 12/28/2022]
Abstract
Innovation in cultivated meat development has been rapidly accelerating in recent years because it holds the potential to help attenuate issues facing production of dietary protein for a growing world population. There are technical obstacles still hindering large-scale commercialization of cultivated meat, of which many are related to the media that are used to culture the muscle, fat, and connective tissue cells. While animal cell culture media has been used and refined for roughly a century, it has not been specifically designed with the requirements of cultivated meat in mind. Perhaps the most common industrial use of animal cell culture is currently the production of therapeutic monoclonal antibodies, which sell for orders of magnitude more than meat. Successful production of cultivated meat requires media that is food grade with minimal cost, can regulate large-scale cell proliferation and differentiation, has acceptable sensory qualities, and is animal ingredient-free. Much insight into strategies for achieving media formulations with these qualities can be obtained from knowledge of conventional culture media applications and from the metabolic pathways involved in myogenesis and protein synthesis. In addition, application of principles used to optimize media for large-scale microbial fermentation processes producing lower value commodity chemicals and food ingredients can also be instructive. As such, the present review shall provide an overview of the current understanding of cell culture media as it relates to cultivated meat.
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Affiliation(s)
- Edward N O'Neill
- Department of Food Science and Technology, University of California, Davis, California.,Department of Viticulture and Enology, University of California, Davis, California
| | - Zachary A Cosenza
- Department of Viticulture and Enology, University of California, Davis, California.,Department of Chemical Engineering, University of California, Davis, California
| | - Keith Baar
- Department of Neurobiology, Physiology, and Behavior, University of California, Davis, California.,Department of Physiology and Membrane Biology, University of California, Davis, California
| | - David E Block
- Department of Viticulture and Enology, University of California, Davis, California.,Department of Chemical Engineering, University of California, Davis, California
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13
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Liu X, Sun C, Zou K, Li C, Chen X, Gu H, Zhou Z, Yang Z, Tu Y, Qin N, Zhao Y, Wu Y, Meng Y, Ding G, Liu X, Sheng J, Yu C, Huang H. Novel PGK1 determines SKP2-dependent AR stability and reprograms granular cell glucose metabolism facilitating ovulation dysfunction. EBioMedicine 2020; 61:103058. [PMID: 33096483 PMCID: PMC7581881 DOI: 10.1016/j.ebiom.2020.103058] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/08/2020] [Accepted: 09/23/2020] [Indexed: 12/18/2022] Open
Abstract
Background Disordered folliculogenesis is a core characteristic of polycystic ovary syndrome (PCOS) and androgen receptors (ARs) are closely associated with hyperandrogenism and abnormalities in folliculogenesis in PCOS. However, whether the new AR binding partner phosphoglycerate kinase 1 (PGK1) in granulosa cells (GCs) plays a key role in the pathogenesis of PCOS remains unclear. Methods We identified the new AR binding partner PGK1 by co-IP (co-immunoprecipitation) in luteinized GCs, and reconfirmed by co-IP, co-localization and GST pull down assay, and checked PGK1 expression levels with qRT-PCR and western blotting. Pharmaceuticals rescue assays in mice, and metabolism assay, AR protein stability and RNA-seq of PGK1 targets in cells proved the function in PCOS. Findings PGK1 and AR are highly expressed in PCOS luteinized GCs and PCOS-like mouse ovarian tissues. PGK1 regulated glucose metabolism and deteriorated PCOS-like mouse metabolic disorder, and paclitaxel rescued the phenotype of PCOS-like mice and reduced ovarian PGK1 and AR protein levels. PGK1 inhibited AR ubiquitination levels and increased AR stability in an E3 ligase SKP2-dependent manner. Additionally, PGK1 promoted AR nuclear translocation, and RNA-seq data showed that critical ovulation-related genes were regulated by the PGK1-AR axis. Interpretation PGK1 regulated GCs metabolism and interacted with AR to regulate the expression of key ovulation genes, and also mediated cell proliferation and apoptosis, which resulted in the etiology of PCOS. This work highlights the pathogenic mechanism and represents a novel therapeutic target for PCOS. Funding National Key Research and Development Program of China; National Natural Science Foundation of China grant.
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Affiliation(s)
- Xia Liu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Changfa Sun
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Kexin Zou
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Cheng Li
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaojun Chen
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Hangchao Gu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhiyang Zhou
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zuwei Yang
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yaoyao Tu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ningxin Qin
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yiran Zhao
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yimei Wu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yicong Meng
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guolian Ding
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xinmei Liu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Jianzhong Sheng
- Department of Pathology and Pathophysiology, School of Medicine, Zhejiang University, Hangzhou, China
| | - Chuanjin Yu
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Hefeng Huang
- International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Key Laboratory of Embryo Original Diseases, Shanghai, China; Institute of Embryo-Fetal Original Adult Diseases Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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14
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Dynamic characteristics of lipid metabolism in cultured granulosa cells from geese follicles at different developmental stages. Biosci Rep 2020; 39:221432. [PMID: 31808518 PMCID: PMC6928526 DOI: 10.1042/bsr20192188] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 11/22/2019] [Accepted: 12/05/2019] [Indexed: 12/20/2022] Open
Abstract
Previous studies have shown that lipid metabolism in granulosa cells (GCs) plays a vital role during mammalian ovarian follicular development. However, little research has been done on lipid metabolism in avian follicular GCs. The goal of the present study was to investigate the dynamic characteristics of lipid metabolism in GCs from geese pre-hierarchical (6–10 mm) and hierarchical (F4-F2 and F1) follicles during a 6-day period of in vitro culture. Oil red O staining showed that with the increasing incubation time, the amount of lipids accumulated in three cohorts of GCs increased gradually, reached the maxima after 96 h of culture, and then decreased. Moreover, the lipid content varied among these three cohorts, with the highest in F1 GCs. The qPCR results showed genes related to lipid synthesis and oxidation were highest expressed in pre-hierarchical GCs, while those related to lipid transport and deposition were highest expressed in hierarchical GCs. These results suggested that the amount of intracellular lipids in GCs increases with both the follicular diameter and culture time, which is accompanied by significant changes in expression of genes related to lipid metabolism. Therefore, it is postulated that the lipid accumulation capacity of geese GCs depends on the stage of follicle development and is finely regulated by the differential expression of genes related to lipid metabolism.
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15
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Metabolomic Analysis of SCD during Goose Follicular Development: Implications for Lipid Metabolism. Genes (Basel) 2020; 11:genes11091001. [PMID: 32858946 PMCID: PMC7565484 DOI: 10.3390/genes11091001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 08/20/2020] [Accepted: 08/24/2020] [Indexed: 01/04/2023] Open
Abstract
Stearoyl-CoA desaturase (SCD) is known to be an important rate-limiting enzyme in the production of monounsaturated fatty acids (MUFAs). However, the role of this enzyme in goose follicular development is poorly understood. To investigate the metabolic mechanism of SCD during goose follicular development, we observed its expression patterns in vivo and in vitro using quantitative reverse-transcription (qRT)-PCR. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) was used to determine a cellular model of SCD function in granulosa cells (GCs) via SCD overexpression and knockdown. qRT-PCR analysis showed that SCD was abundantly expressed in the GC layer, and was upregulated in preovulatory follicles. Peak expression was found in F1 and prehierarchal follicles with diameters of 4–6 mm and 8–10 mm, respectively. We further found that mRNA expression and corresponding enzyme activity occur in a time-dependent oscillation pattern in vitro, beginning on the first day of GC culture. By LC-MS/MS, we identified numerous changes in metabolite activation and developed an overview of multiple metabolic pathways, 10 of which were associated with lipid metabolism and enriched in both the overexpressed and knockdown groups. Finally, we confirmed cholesterol and pantothenol or pantothenate as potential metabolite biomarkers to study SCD-related lipid metabolism in goose GCs.
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16
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Chen X, Huang K, Hu S, Lan G, Gan X, Gao S, Deng Y, Hu J, Li L, Hu B, He H, Liu H, Xia L, Wang J. FASN-Mediated Lipid Metabolism Regulates Goose Granulosa Cells Apoptosis and Steroidogenesis. Front Physiol 2020; 11:600. [PMID: 32676035 PMCID: PMC7333536 DOI: 10.3389/fphys.2020.00600] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 05/14/2020] [Indexed: 12/27/2022] Open
Abstract
Lipid metabolism participates in regulating the functions of granulosa cells (GCs), which is important for follicular development. In this experiment, goose GCs from pre-hierarchical follicles and hierarchical follicles were selected to be the model for studying the putative regulatory role of lipid metabolism in apoptosis and steroidogenesis, through overexpression and interference with fatty acid synthase (FASN). When FASN was overexpressed, the lipid accumulation was increased in hierarchical GCs (hGCs) and it was increased in the two categorized GCs when FASN was interfered. In addition, the apoptosis of the two categorized GCs was increased when FASN was overexpressed, and their progesterone production was decreased when FASN was interfered. The results of qRT-PCR showed that, when FASN was overexpressed, the expression level of CYP11A1 was decreased in pre-hierarchical GCs (phGCs), while the expression levels of SCD1, DGAT2, APOB, and StAR were increased in hGCs. When FASN was interfered, the expression levels of CPT-1, DGAT2, and StAR were decreased whereas the expression level of CYP11A1 was increased in phGCs, and the expression levels of CPT-1, SCD1, and StAR were decreased in hGCs. These results not only identify the different effects of manipulated FASN expression on lipid metabolism of goose phGCs and hGCs but also demonstrate that FASN-mediated lipid metabolism plays an important role in regulating apoptosis and steroidogenesis of in vitro cultured goose GCs.
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Affiliation(s)
- Xi Chen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Kailiang Huang
- Key Laboratory of Agricultural Information Engineering of Sichuan Province, College of Information Engineering, Sichuan Agricultural University, Ya'an, China
| | - Shenqiang Hu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Gang Lan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Xiang Gan
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 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, 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, 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, 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, China
| | - Bo Hu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Hua He
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Hehe Liu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Lu Xia
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 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, China
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17
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Expression profiling of primary cultured buffalo granulosa cells from different follicular size in comparison with their in vivo counterpart. ZYGOTE 2020; 28:233-240. [PMID: 32151301 DOI: 10.1017/s0967199420000088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This study aimed to: (i) characterize cultured granulosa cells (GCs) from different follicle sizes morphologically and molecularly; and (ii) select a suitable model according to follicular size that maintained GC function during culture. Buffalo ovaries were collected from a slaughterhouse and follicles were classified morphologically into: first group ≤ 4 mm, second group 5-8 mm, third group 9-15 mm and fourth group 16-20 mm diameter. GC pellets were divided into two portions. The first portion served as the control fresh pellet, and the secondwas used for 1 week for GC culture. Total RNA was isolated, and qRT-PCR was performed to test for follicle-stimulating hormone receptor (FSHR), cytochrome P450 19 (CYP19), luteinizing hormone/choriogonadotropin receptor (LHCGR), proliferating cell nuclear antigen (PCNA), apoptosis-related cysteine peptidase (CASP3), anti-Müllerian hormone (AMH), and phospholipase A2 group III (PLA2G3) mRNAs. Estradiol (E2) and progesterone (P4) levels in the culture supernatant and in follicular fluids were measured using enzyme-linked immunosorbent assay (ELISA). Basic DMEM-F12 medium maintained the morphological appearance of cultured GCs. The relative abundance of FSHR, CYP19, and LHCGR mRNAs was 0.001 ≤ P ≤ 0.01 and decreased at the end of culture compared with the fresh pellet. There was a fine balance between expression patterns of the proliferation marker gene (PCNA) and the proapoptotic marker gene (CASP3). AMH mRNA was significantly increased (P < 0.001) in cultured GCs from small follicles, while cultured GCs from other three categories (5-8 mm, 9-15 mm and 16-20 mm) showed a clear reduction (P < 0.001). Interestingly, the relative abundance of PLA2G3 mRNA was significantly (P < 0.001) increased in all cultured GCs. E2 and P4 concentrations were significantly (P < 0.001) decreased in all cultured groups. Primary cultured GCs from small follicles could be a good model for better understanding follicular development in Egyptian buffaloes.
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18
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Pontes LMDS, Gouveia BB, Menezes VG, de Barros VRP, Barberino RDS, do Monte APO, Donfack NJ, Celestino JJDH, Salgueiro CCDM, de Figueiredo JR, de Matos MHT. Supplemented powdered coconut water (ACP-406 ®) promotes growth of goat secondary follicles and oocyte meiotic resumption. Anim Reprod 2019; 16:819-828. [PMID: 32368259 PMCID: PMC7189492 DOI: 10.21451/1984-3143-ar2019-0008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to test the efficiency of powdered coconut water (ACP-406®) base-medium without or with the addition of supplements on in vitro culture of isolated goat secondary follicles. Follicles were cultured for 18 days in α-MEM or in ACP-406®, both without supplements (referred to as α-MEM and ACP, respectively), or both supplemented with BSA, insulin, transferrin, selenium, glutamine, hypoxanthine, and ascorbic acid (referred to as α-MEM+ and ACP+). Follicular morphology, antrum formation, follicular and oocyte diameter, levels of glutathione (GSH), and chromatin configuration after in vitro maturation were evaluated. At the end of culture, ACP-406® base-medium (without or with supplements) showed a higher (P < 0.05) percentage of normal follicles than α-MEM (without or with supplements). Antrum formation was similar among α-MEM+, ACP and ACP+, and significantly higher than α-MEM without supplements. The follicular diameter was greater in ACP+ than α-MEM, and similar to other treatments. Moreover, fully and daily grown rates were higher (P < 0.05) in ACP-406® base-medium (without or with supplements) than α-MEM (without or with supplements). Levels of GSH were similar between ACP+ and α-MEM+ treatments. Both ACP+ and α-MEM+ allowed meiotic resumption without a significant difference between the two groups. In conclusion, supplemented ACP-406® base-medium maintained follicular survival and promoted the development as well as meiotic resumption of isolated goat secondary follicles cultured in vitro for 18 days.
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Affiliation(s)
- Luana Mirela de Sales Pontes
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Bruna Bortoloni Gouveia
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Vanúzia Gonçalves Menezes
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Vanessa Raquel Pinto de Barros
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Ricássio de Sousa Barberino
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Alane Pains Oliveira do Monte
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | - Nathalie Jiatsa Donfack
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
| | | | | | - José Ricardo de Figueiredo
- Universidade Estadual do Ceará, Faculdade de Medicina Veterinária, Laboratório de Manipulação de Oócitos e Folículos Pré-Antrais, Fortaleza, CE, Brasil
| | - Maria Helena Tavares de Matos
- Universidade Federal do Vale do São Francisco, Núcleo de Biotecnologia Aplicada ao Desenvolvimento de Folículos Ovarianos, Petrolina, PE, Brasil
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Yan Z, Dai Y, Fu H, Zheng Y, Bao D, Yin Y, Chen Q, Nie X, Hao Q, Hou D, Cui Y. Curcumin exerts a protective effect against premature ovarian failure in mice. J Mol Endocrinol 2018; 60:261-271. [PMID: 29437881 PMCID: PMC5863768 DOI: 10.1530/jme-17-0214] [Citation(s) in RCA: 97] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 02/07/2018] [Indexed: 12/16/2022]
Abstract
This study was designed to investigate the protective effect of curcumin against d-galactose (d-gal)-induced premature ovarian failure (POF) in mice. A mouse POF model was induced by subcutaneous injection of d-gal (200 mg/kg/day) daily for 42 days. Mice in the curcumin group received both d-gal treatment and intraperitoneal injection of curcumin (100 mg/kg/day) for 42 days. Ovarian function, oxidative stress and apoptosis were evaluated. The P, E2 and SOD levels were higher, and the FSH, LH and MDA levels were significantly lower in the curcumin group than those in the d-gal group. The proportion of primordial follicles was also significantly higher in the curcumin group than that in the d-gal group. In addition, curcumin treatment after d-gal administration resulted in significantly lower Sod2, Cat, 8-OhdG, 4-HNE, NTY and senescence-associated protein P16 expression levels, higher Amh expression levels and less apoptosis in granulosa cells than was observed in the d-gal group. Moreover, the p-Akt, Nrf2 and HO-1 protein expression levels were significantly higher and the apoptosis-related cleaved caspase-3 and -9 protein expression levels were markedly lower in the curcumin group than in the d-gal group. In conclusion, curcumin effectively inhibited d-gal-induced oxidative stress, apoptosis and ovarian injury via a mechanism involving the Nrf2/HO-1 and PI3K/Akt signaling pathways, suggesting that curcumin is a potential protective agent against POF.
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Affiliation(s)
- Zhengjie Yan
- College of Animal Science and TechnologyYangzhou University, Yangzhou, People's Republic of China
- State Key Laboratory of Reproductive MedicineCenter of Clinical Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
| | - Youjin Dai
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Heling Fu
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yuan Zheng
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Dan Bao
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yuan Yin
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Qin Chen
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Xiaowei Nie
- Department of Reproductive MedicineAffiliated Hospital of Nanjing University of Traditional Chinese Medicine, Nanjing, China
| | - Qingting Hao
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Daorong Hou
- Key Laboratory of the Model Animal ResearchAnimal Core Facility of Nanjing Medical University, Nanjing Medical University, Nanjing, People's Republic of China
| | - Yugui Cui
- State Key Laboratory of Reproductive MedicineCenter of Clinical Reproductive Medicine, The First Affiliated Hospital of Nanjing Medical University, Nanjing, People's Republic of China
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Zhou J, Li C, Yao W, Alsiddig MC, Huo L, Liu H, Miao YL. Hypoxia-inducible factor-1α-dependent autophagy plays a role in glycolysis switch in mouse granulosa cells†. Biol Reprod 2018; 99:308-318. [DOI: 10.1093/biolre/ioy061] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Accepted: 03/09/2018] [Indexed: 12/11/2022] Open
Affiliation(s)
- Jilong Zhou
- Institute of Stem Cell and Regenerative Biology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Chengyu Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Wang Yao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - M C Alsiddig
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Lijun Huo
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction (Huazhong Agricultural University), Ministry of Education, Wuhan, China
| | - Honglin Liu
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Yi-Liang Miao
- Institute of Stem Cell and Regenerative Biology, College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction (Huazhong Agricultural University), Ministry of Education, Wuhan, China
- The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, China
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21
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Baufeld A, Vanselow J. Lactate promotes specific differentiation in bovine granulosa cells depending on lactate uptake thus mimicking an early post-LH stage. Reprod Biol Endocrinol 2018; 16:15. [PMID: 29463248 PMCID: PMC5819637 DOI: 10.1186/s12958-018-0332-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 02/15/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The LH-induced folliculo-luteal transformation is connected with alterations of the gene expression profile in cells of the granulosa layer. It has been described that hypoxic conditions occur during luteinization, thus favoring the formation of L-lactate within the follicle. Despite being a product of anaerobic respiration, L-lactate has been shown to act as a signaling molecule affecting gene expression in neuronal cells. During the present study, we tested the hypothesis that L-lactate may influence differentiation of follicular granulosa cells (GC). METHODS In a bovine granulosa cell culture model effects of L- and D-lactate, of increased glucose concentrations and of the lactate transport inhibitor UK5099 were analyzed. Steroid hormone production was analyzed by RIA and the abundance of key transcripts was determined by quantitative real-time RT-PCR. RESULTS L-lactate decreased the production of estradiol and significantly affected selected genes of the folliculo-luteal transition as well as genes of the lactate metabolism. CYP19A1, FSHR, LHCGR were down-regulated, whereas RGS2, VNN2, PTX3, LDHA and lactate transporters were up-regulated. These effects could be partly or completely reversed by pre-treatment of the cells with UK5099. The non-metabolized enantiomer D-lactate had even more pronounced effects on gene expression, whereas increased glucose concentrations did not affect transcript abundance. CONCLUSIONS In summary, our data suggest that L-lactate specifically alters physiological and molecular characteristics of GC. These effects critically depend on L-lactate uptake, but are not triggered by increased energy supply. Further, we could show that L-lactate has a positive feedback on the lactate metabolism. Therefore, we hypothesize that L-lactate acts as a signaling molecule in bovine and possibly other monovular species supporting differentiation during the folliculo-luteal transformation.
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Affiliation(s)
- Anja Baufeld
- 0000 0000 9049 5051grid.418188.cInstitute of Reproductive Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
| | - Jens Vanselow
- 0000 0000 9049 5051grid.418188.cInstitute of Reproductive Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, 18196 Dummerstorf, Germany
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22
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Abstract
Culture of granulosa cells has for long provided a useful tool to understand the molecular processes underlying ovarian follicle development. Among all species investigated, cattle have become an excellent model for in vitro studies on follicular biology, both because of their resemblance with humans in terms of follicular biology and the importance of reproductive failure as a cause of lost productivity in the dairy industry. In this chapter, we describe up-to-date methods for the harvesting of granulosa cells from bovine ovaries collected post-mortem, as well as procedures for both culturing granulosa cells in an undifferentiated state and inducing their luteinization in vitro, and for the efficient transfection of granulosa cells with oligonucleotide sequences for the purpose of investigating the function of specific genes in vitro.
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Affiliation(s)
- Bushra T Mohammed
- College of Veterinary Medicine, University of Duhok, Kurdistan Region, Iraq
| | - F Xavier Donadeu
- The Roslin Institute and R(D)SVS, University of Edinburgh, Midlothian, UK.
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23
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Insulin signalling and glucose transport in the ovary and ovarian function during the ovarian cycle. Biochem J 2017; 473:1483-501. [PMID: 27234585 PMCID: PMC4888492 DOI: 10.1042/bcj20160124] [Citation(s) in RCA: 131] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 03/03/2016] [Indexed: 12/16/2022]
Abstract
Data derived principally from peripheral tissues (fat, muscle and liver) show that insulin signals via diverse interconnecting intracellular pathways and that some of the major intersecting points (known as critical nodes) are the IRSs (insulin receptor substrates), PI3K (phosphoinositide kinase)/Akt and MAPK (mitogen-activated protein kinase). Most of these insulin pathways are probably also active in the ovary and their ability to interact with each other and also with follicle-stimulating hormone (FSH) and luteinizing hormone (LH) signalling pathways enables insulin to exert direct modulating influences on ovarian function. The present paper reviews the intracellular actions of insulin and the uptake of glucose by ovarian tissues (granulosa, theca and oocyte) during the oestrous/menstrual cycle of some rodent, primate and ruminant species. Insulin signals through diverse pathways and these are discussed with specific reference to follicular cell types (granulosa, theca and oocyte). The signalling pathways for FSH in granulosa cells and LH in granulosa and theca cells are summarized. The roles of glucose and of insulin-mediated uptake of glucose in folliculogenesis are discussed. It is suggested that glucose in addition to its well-established role of providing energy for cellular function may also have insulin-mediated signalling functions in ovarian cells, involving AMPK (AMP-dependent protein kinase) and/or hexosamine. Potential interactions of insulin signalling with FSH or LH signalling at critical nodes are identified and the available evidence for such interactions in ovarian cells is discussed. Finally the action of the insulin-sensitizing drugs metformin and the thiazolidinedione rosiglitazone on follicular cells is reviewed.
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24
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Landry DA, Fortin C, Bellefleur AM, Labrecque R, Grand FX, Vigneault C, Blondin P, Sirard MA. Comparative analysis of granulosa cell gene expression in association with oocyte competence in FSH-stimulated Holstein cows. Reprod Fertil Dev 2017; 29:2324-2335. [DOI: 10.1071/rd16459] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 03/09/2017] [Indexed: 11/23/2022] Open
Abstract
Ovarian stimulation with exogenous FSH followed by FSH withdrawal or ‘coasting’ is an effective means of increasing the number of oocytes obtainable for the in vitro production of cattle embryos. However, the quality of the oocytes thus obtained varies considerably from one cow to the next. The aim of the present study was to gain a better understanding of the follicular conditions associated with low oocyte developmental competence. Granulosa cells from 94 Holstein cows in a commercial embryo production facility were collected following ovarian stimulation and coasting. Microarray analysis showed 120 genes expressed with a differential of at least 1.5 when comparing donors of mostly competent with donors of mostly incompetent oocytes. Using ingenuity pathway analysis, we revealed the main biological functions and potential upstream regulators that distinguish donors of mostly incompetent oocytes. These are involved in cell proliferation, apoptosis, lipid metabolism, retinol availability and insulin signalling. In summary, we demonstrated that differences in follicle maturity at collection could explain differences in oocyte competence associated with individual animals. We also revealed deficiencies in lipid metabolism and retinol signalling in granulosa cells from donors of mostly incompetent oocytes.
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25
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Cameron EZ, Edwards AM, Parsley LM. Developmental sexual dimorphism and the evolution of mechanisms for adjustment of sex ratios in mammals. Ann N Y Acad Sci 2016; 1389:147-163. [PMID: 27862006 DOI: 10.1111/nyas.13288] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2016] [Revised: 09/28/2016] [Accepted: 10/05/2016] [Indexed: 12/15/2022]
Abstract
Sex allocation theory predicts biased offspring sex ratios in relation to local conditions if they would maximize parental lifetime reproductive return. In mammals, the extent of the birth sex bias is often unpredictable and inconsistent, leading some to question its evolutionary significance. For facultative adjustment of sex ratios to occur, males and females would need to be detectably different from an early developmental stage, but classic sexual dimorphism arises from hormonal influences after gonadal development. Recent advances in our understanding of early, pregonadal sexual dimorphism, however, indicate high levels of dimorphism in gene expression, caused by chromosomal rather than hormonal differences. Here, we discuss how such dimorphism would interact with and link previously hypothesized mechanisms for sex-ratio adjustment. These differences between males and females are sufficient for offspring sex both to be detectable to parents and to provide selectable cues for biasing sex ratios from the earliest stages. We suggest ways in which future research could use the advances in our understanding of sexually dimorphic developmental physiology to test the evolutionary significance of sex allocation in mammals. Such an approach would advance our understanding of sex allocation and could be applied to other taxa.
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Affiliation(s)
- Elissa Z Cameron
- School of Biological Sciences, University of Tasmania, Hobart, Australia.,School of Biological Sciences, University of Canterbury, Christchurch, New Zealand
| | - Amy M Edwards
- School of Biological Sciences, University of Tasmania, Hobart, Australia
| | - Laura M Parsley
- School of Biological Sciences, University of Tasmania, Hobart, Australia
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26
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Salman TM, Olayaki LA, Alagbonsi IA, Oyewopo AO. Spermatotoxic effects of galactose and possible mechanisms of action. MIDDLE EAST FERTILITY SOCIETY JOURNAL 2016. [DOI: 10.1016/j.mefs.2015.09.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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27
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Are there physiological constraints on maternal ability to adjust sex ratios in mammals? J Zool (1987) 2016. [DOI: 10.1111/jzo.12327] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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28
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Campbell BK, Kendall NR, Onions V, Guo L, Scaramuzzi RJ. Effect of monosaccharide sugars on LH-induced differentiation and sugar transport facilitator (SLC2A) expression in sheep theca cells in vitro. Reprod Fertil Dev 2015; 26:453-61. [PMID: 23711112 DOI: 10.1071/rd12064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 02/26/2013] [Indexed: 01/20/2023] Open
Abstract
The aim of the present study was to investigate the effects of glucose, galactose and fructose on the LH-induced differentiation and mRNA expression of sugar transport facilitators (SLC2A) by sheep thecal cells derived from small antral follicles cultured under serum-free conditions for 6 days. The dose and type of monosaccharide had a significant effect on LH-induced androstenedione production by theca cells and there was a significant interaction (P<0.001). Glucose and galactose were used with equal efficiency so that cell numbers and androstenedione production at the end of the culture were comparable. Pharmacological doses of glucose (16.7 mM) inhibited steroidogenesis (P<0.05). Cell numbers and androstenedione production by cells cultured with fructose were lower than for cells cultured with either glucose or galactose (P<0.001). None of the monosaccharides resulted in the production of lactate. Expression of SLC2A1, SLC2A4 and SLC2A8, but not SLC2A5, mRNA was detected in fresh and cultured theca cells. Large doses (16.7 mM) of glucose and fructose, but not galactose, suppressed (P<0.05) SLC2A expression. The results show that glucose and galactose, but not fructose, are readily metabolised via oxidative pathways to support LH-induced differentiation of sheep theca cells. Further work is required to determine the mechanisms resulting in these differences in relation to the established effects of nutrition on reproductive function.
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Affiliation(s)
- B K Campbell
- Division of Human Development, School of Clinical Sciences, University of Nottingham, Queen's Medical Centre, Nottingham NG7 2UH, UK
| | - N R Kendall
- Division of Human Development, School of Clinical Sciences, University of Nottingham, Queen's Medical Centre, Nottingham NG7 2UH, UK
| | - V Onions
- Division of Human Development, School of Clinical Sciences, University of Nottingham, Queen's Medical Centre, Nottingham NG7 2UH, UK
| | - L Guo
- Division of Human Development, School of Clinical Sciences, University of Nottingham, Queen's Medical Centre, Nottingham NG7 2UH, UK
| | - R J Scaramuzzi
- Department of Veterinary Basic Sciences, The Royal Veterinary College, Hawkshead Lane, Herts AL9 7TA, UK
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Maruthini D, Harris SE, Barth JH, Balen AH, Campbell BK, Picton HM. The effect of metformin treatment in vivo on acute and long-term energy metabolism and progesterone production in vitro by granulosa cells from women with polycystic ovary syndrome. Hum Reprod 2014; 29:2302-16. [PMID: 25139174 PMCID: PMC4164147 DOI: 10.1093/humrep/deu187] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
STUDY QUESTION What are the consequences of polycystic ovary syndrome (PCOS) pathology and metformin-pretreatment in vivo in women with PCOS on the metabolism and steroid production of follicular phenotype- and long-term cultured-granulosa cells (GC)? SUMMARY ANSWER PCOS pathology significantly compromised glucose metabolism and the progesterone synthetic capacity of follicular- and long-term cultured-GCs and the metabolic impact of PCOS on GC function was alleviated by metformin-pretreatment in vivo. WHAT IS KNOWN ALREADY Granulosa cells from women with PCOS have been shown to have an impaired insulin-stimulated glucose uptake and lactate production in vitro. However, these results were obtained by placing GCs in unphysiological conditions in culture medium containing high glucose and insulin concentrations. Moreover, existing data on insulin-responsive steroid production in vitro by PCOS GCs vary. STUDY DESIGN, SIZE AND DURATION Case-control experimental research comparing glucose uptake, pyruvate and lactate production and progesterone production in vitro by GCs from three aetiological groups, all undergoing IVF; healthy control women (Control, n = 12), women with PCOS treated with metformin in vivo (Metformin, n = 8) and women with PCOS not exposed to metformin (PCOS, n = 8). The study was conducted over a period of 3 years between 2007 and 2010. PARTICIPANTS/MATERIALS, SETTING, METHODS Rotterdam criteria were used for the diagnosis of PCOS; all subjects were matched for age, BMI and baseline FSH. Individual patient cultures were undertaken with cells incubated in a validated, physiological, serum-free culture medium containing doses of 0–6 mM glucose and 0–100 ng/ml insulin for 6 h and 144 h to quantify the impact of treatments on acute and long-term metabolism, respectively, and progesterone production. The metabolite content of spent media was measured using spectrophotometric plate reader assay. The progesterone content of spent media was measured by enzyme-linked immunosorbent assay. Viable GC number was quantified after 144 h of culture by the vital dye Neutral Red uptake assay. MAIN RESULTS AND THE ROLE OF CHANCE Granulosa cells from women with PCOS pathology revealed reduced pyruvate production and preferential lactate production in addition to their reduced glucose uptake during cultures (P < 0.05). Metformin pretreatment alleviated this metabolic lesion (P < 0.05) and enhanced cell proliferation in vitro (P < 0.05), but cells retained a significantly reduced capacity for progesterone synthesis compared with controls (P < 0.05). LIMITATIONS, REASONS FOR CAUTION Although significant treatment effects were detected in this small cohort, further studies are required to underpin the molecular mechanisms of the effect of metformin on GCs. WIDER IMPLICATIONS OF THE FINDINGS The individual patient culture strategy combined with multifactorial experimental design strengthens the biological interpretation of the data. Collectively, these results support the notion that there is an inherent impairment in progesterone biosynthetic capacity of the GCs from women with PCOS. The positive, acute metabolic effect and the negative long-term steroidogenic effect on GCs following metformin exposure in vivo may have important implications for follicular development and luteinized GC function when the drug is used in clinical practice. STUDY FUNDING/COMPETING INTEREST(S) No competing interests. This work was supported by the UK Medical Research Council Grant Reference number G0800250.
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Affiliation(s)
- D Maruthini
- The Leeds Centre for Reproductive Medicine, Seacroft Hospital, York Road, Leeds LS14 6UH, UK
| | - S E Harris
- Division of Reproduction and Early Development, Leeds Institute for Genetics, Health and Therapeutics, University of Leeds, Clarendon Way, Leeds LS2 9JT, UK
| | - J H Barth
- Department of Clinical Biochemistry, Leeds Teaching Hospitals NHS Trust, Leeds General Infirmary, Great George Street, Leeds LS1 3EX, UK
| | - A H Balen
- The Leeds Centre for Reproductive Medicine, Seacroft Hospital, York Road, Leeds LS14 6UH, UK
| | - B K Campbell
- Division of Human Development at Nottingham University Hospitals NHS Trust, Department of Obstetrics and Gynaecology, Queen's Medical Centre Campus, Nottingham NG7 2UH, UK
| | - H M Picton
- Division of Reproduction and Early Development, Leeds Institute for Genetics, Health and Therapeutics, University of Leeds, Clarendon Way, Leeds LS2 9JT, UK
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Banerjee S, Chakraborty P, Saha P, Bandyopadhyay SA, Banerjee S, Kabir SN. Ovotoxic effects of galactose involve attenuation of follicle-stimulating hormone bioactivity and up-regulation of granulosa cell p53 expression. PLoS One 2012; 7:e30709. [PMID: 22319579 PMCID: PMC3271100 DOI: 10.1371/journal.pone.0030709] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Accepted: 12/28/2011] [Indexed: 01/09/2023] Open
Abstract
Clinical evidence suggests an association between galactosaemia and premature ovarian insufficiency (POI); however, the mechanism still remains unresolved. Experimental galactose toxicity in rats produces an array of ovarian dysfunction including ovarian development with deficient follicular reserve and follicular resistance to gonadotrophins that characterize the basic tenets of human POI. The present investigation explores if galactose toxicity in rats attenuates the bioactivity of gonadotrophins or interferes with their receptor competency, and accelerates the rate of follicular atresia. Pregnant rats were fed isocaloric food-pellets supplemented with or without 35% D-galactose from day-3 of gestation and continuing through weaning of the litters. The 35-day old female litters were autopsied. Serum galactose-binding capacity, galactosyltransferase (GalTase) activity, and bioactivity of FSH and LH together with their receptor competency were assessed. Ovarian follicular atresia was evaluated in situ by TUNEL. The in vitro effects of galactose were studied in isolated whole follicles in respect of generation of reactive oxygen species (ROS) and expression of caspase 3, and in isolated granulosa cells in respect of mitochondrial membrane potential, expression of p53, and apoptosis. The rats prenatally exposed to galactose exhibited significantly decreased serum GalTase activity and greater degree of galactose-incorporation capacity of sera proteins. LH biopotency and LH-FSH receptor competency were comparable between the control and study population, but the latter group showed significantly attenuated FSH bioactivity and increased rate of follicular atresia. In culture, galactose increased follicular generation of ROS and expression of caspase 3. In isolated granulosa cells, galactose disrupted mitochondrial membrane potential, stimulated p53 expression, and induced apoptosis in vitro; however co-treatment with either FSH or estradiol significantly prevented galactose-induced granulosa cell p53 expression. We conclude that the ovotoxic effects of galactose involves attenuation of FSH bioactivity that renders the ovary resistant to gonadotrophins leading to increased granulosa cell expression of p53 and follicular atresia.
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Affiliation(s)
- Sayani Banerjee
- Reproductive Biology Research, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
| | - Pratip Chakraborty
- Department of Infertility, Institute of Reproductive Medicine, Salt Lake City, Kolkata, India
| | - Piyali Saha
- Reproductive Biology Research, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
| | - Soma Aditya Bandyopadhyay
- Reproductive Biology Research, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
| | - Sutapa Banerjee
- Reproductive Biology Research, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
| | - Syed N. Kabir
- Reproductive Biology Research, CSIR-Indian Institute of Chemical Biology, Jadavpur, Kolkata, West Bengal, India
- * E-mail:
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31
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Campbell BK, Kendall NR, Onions V, Scaramuzzi RJ. The effect of systemic and ovarian infusion of glucose, galactose and fructose on ovarian function in sheep. Reproduction 2010; 140:721-32. [DOI: 10.1530/rep-10-0185] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Glucose is a critical metabolic fuel in most mammals although many foodstuffs also contain high levels of the monosaccharides, galactose and fructose. The aims of this work were to determine the insulin response to challenges of these sugars (experiment 1) and to examine the effect of systemic (experiment 2) and direct ovarian (experiment 3) infusion of these monosaccharides on ovarian function in ewes with autotransplanted ovaries. In experiment 1, both fructose (fourfold increase peaking in 2 h) and galactose (twofold increase; 30 min) elicited markedly different (P<0.001) insulin responses than glucose (sevenfold increase; 20 min) although the total amount released following fructose and glucose challenge was similar. In experiment 2, low-dose systemic fructose infusion had no acute effect on insulin but did depress FSH (P<0.05), and following the end of fructose infusion, a transient increase in FSH and insulin was observed (P<0.05), which was associated with an increase (P<0.05) in ovarian oestradiol and androstenedione secretion. Systemic infusion of neither glucose nor galactose had a significant effect on ovarian steroidogenesis although glucose acutely suppressed insulin levels. In contrast, ovarian arterial infusion of fructose and glucose had no effect on ovarian function whereas galactose suppressed ovarian follicle number and steroid secretion (P<0.05). In conclusion, this work indicates that fructose and galactose can influence ovarian functionin vivoin sheep and that different mechanisms are involved. Thus, fructose exerts stimulatory effects through indirect modulation of peripheral insulin and/or gonadotrophin levels whereas galactose exerts primarily suppressive effects by direct actions on the ovary.
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