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Shi L, Kang K, Wang Z, Wang J, Xiao J, Peng Q, Hu R, Zhou J, Zhang X, Yue Z, Zou H, Xue B, Wang L. Glucose Regulates Glucose Transport and Metabolism via mTOR Signaling Pathway in Bovine Placental Trophoblast Cells. Animals (Basel) 2023; 14:40. [PMID: 38200771 PMCID: PMC10778405 DOI: 10.3390/ani14010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/16/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
It has been confirmed that improving the energy level of the diet contributed to the greater reproductive performance and birth weight of calves in periparturient dairy cows. To investigate the effect of glucose on nutrient transport during fetal development, the bovine placental trophoblast cells (BPTCs) were cultured in media with different glucose concentrations (1, 2, 4, 8, or 16 mg/mL). Subsequently, the BPTCs were cultured in media with 1, 8 mg/mL glucose and 8 mg/mL glucose plus 100 nmol/L rapamycin (the inhibitor of mTOR pathway). Compared with the 1 mg/mL glucose, the addition of 8 mg/mL glucose stimulated cell proliferation, upregulated the mRNA abundance of the glucose transporter GLUT1 and GLUT4, and increased the activity of glucose metabolism-related enzyme glucose-6-phosphate dehydrogenease (G6PD), lactate dehydrogenase (LDHA) and phosphoglycerate kinase 1 (PGK1), as well as adenosine-triphosphate (ATP) content (p < 0.05).Furthermore, compared with the treatment of 1 mg/mL glucose, adding 8 mg/mL of glucose-upregulated gene expression in the mTOR signaling pathway, including phosphatidylinositol3-kinase (PI3K), protein kinase B (Akt), mammalian target of rapamycin (mTOR) and 70 kDa ribosomal protein S6 kinase 2 (P70S6K) (p < 0.05).The supplementation of rapamycin downregulated the gene and protein expression of the mTOR signaling pathway, including mTOR, P70S6K, EIF4E-binding protein 1 (4EBP1), hypoxia-inducible factor 1-alpha (HIF-1α) and gene expression of glucose transporter upregulated by 8 mg/mL glucose (p < 0.05). Thus, these results indicated that the addition of 8 mg/mL glucose regulated the glucose transport and metabolism in BPTCs through the mTOR signaling pathway, thereby promoting the supply of nutrients to fetus.
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Affiliation(s)
| | | | - Zhisheng Wang
- Low Carbon Breeding Cattle and Safety Production University Key Laboratory of Sichuan Province, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (L.S.); (K.K.); (J.W.); (J.X.); (Q.P.); (R.H.); (J.Z.); (X.Z.); (Z.Y.); (H.Z.); (B.X.); (L.W.)
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Zhao X, Liu X, Feng Y, Shi D, Lu F. Regulation of hypoxia-inducible factor 1α by optimal oxygen concentration enhances oocyte maturation and early embryonic development in buffalo. Theriogenology 2023; 206:50-59. [PMID: 37187055 DOI: 10.1016/j.theriogenology.2023.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/24/2023] [Accepted: 05/07/2023] [Indexed: 05/17/2023]
Abstract
Despite significant progress in vitro maturation (IVM) and in vitro culture (IVC) of oocytes and embryos, their developmental competence remains low. To address this issue, we used buffalo oocytes as a model system to investigate the effects and mechanisms of oxygen concentration on IVM and IVC. Our findings demonstrated that culturing buffalo oocytes with 5% oxygen significantly enhanced the efficiency of IVM and developmental competence of early embryos. Immunofluorescence results suggested that HIF1α played a critical role in these progresses. RT-qPCR results showed that maintaining a stable expression of HIF1α in cumulus cells with 5% oxygen concentration enhanced glycolysis, expansion, and proliferation abilities, up-regulated the expression of development-related genes, and suppressed apoptosis level. Consequently, it improved the maturation efficiency and quality of oocytes, leading to improve developmental capacity of buffalo early embryos. Similar outcomes were also observed when embryos were cultured with 5% oxygen. Collectively, our study provided insights into the role of oxygen regulation during oocytes maturation and early embryo development, and could potentially improve the efficiency of human assisted-reproduction technology.
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Affiliation(s)
- Xin Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, 75 Xiuling Road, Nanning, 530005, PR China; Center of Reproductive Medicine, Guangxi Maternal and Child Health Hospital, Nanning, 530003, PR China
| | - Xiaolin Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, 75 Xiuling Road, Nanning, 530005, PR China; Chongqing Reproductive Medical Center, Chongqing Maternity Hospital, Jintang Street No. 64, Yuzhong District, Chongqing, 400013, PR China
| | - Yun Feng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, 75 Xiuling Road, Nanning, 530005, PR China
| | - Deshun Shi
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, 75 Xiuling Road, Nanning, 530005, PR China
| | - Fenghua Lu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-bioresources, Guangxi Key Laboratory of Animal Breeding, Disease Control and Prevention, Guangxi University, 75 Xiuling Road, Nanning, 530005, PR China.
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Zhao DC, Li YM, Ma JL, Yi N, Yao ZY, Li YP, Quan Y, Li XN, Xu CL, Qiu Y, Wu LQ. Single-cell RNA sequencing reveals distinct gene expression patterns in glucose metabolism of human preimplantation embryos. Reprod Fertil Dev 2019; 31:237-247. [PMID: 30017025 DOI: 10.1071/rd18178] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Accepted: 06/19/2018] [Indexed: 12/21/2022] Open
Abstract
Precise regulation of glucose metabolism-related genes is essential for early embryonic development. Although previous research has yielded detailed information on the biochemical processes, little is yet known of the dynamic gene expression profiles in glucose metabolism of preimplantation embryos at a single-cell resolution. In the present study, we performed integrated analysis of single-cell RNA sequencing (scRNA-seq) data of human preimplantation embryos that had been cultured in sequential medium. Different cells in the same embryo have similar gene expression patterns in glucose metabolism. During the switch from the cleavage to morula stage, the expression of glycolysis-related genes, such as glucose transporter genes (solute carrier family 2 (facilitated glucose transporter), member 1 (SLC2A1) and solute carrier family 2 (facilitated glucose transporter), member 3 (SLC2A3) and genes encoding hexokinase, phosphofructokinase, pyruvate kinase and lactate dehydrogenase, is increased. The genes involved in the pentose phosphate pathway are highly expressed at the cleavage stage, generating the reducing power to balance oxidative stress derived from biosynthesis. Expression of the genes involved in the biosynthesis of glycerophospholipids is increased after the morula stage. Nevertheless, the expression of tricarboxylic acid-related genes remains relatively unchanged during the preimplantation stages. In conclusion, we discovered that the gene expression profiles are dynamic according to glucose utilisation in the embryos at different stages, which contributes to our understanding of regulatory mechanisms of glucose metabolism-related genes in human preimplantation embryos.
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Affiliation(s)
- Di-Cheng Zhao
- The State Key Laboratory of Medical Genetics of China, Central South University, 72 Xiangya Road, Changsha, 410008, China
| | - Yu-Mei Li
- The Reproductive Medical Center of Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Jie-Liang Ma
- Translational Center for Stem Cell Research, Tongji Hospital, Department of Regenerative Medicine, Tongji University School of Medicine, 1239 Siping Road, Shanghai 200065, China
| | - Ning Yi
- Translational Center for Stem Cell Research, Tongji Hospital, Department of Regenerative Medicine, Tongji University School of Medicine, 1239 Siping Road, Shanghai 200065, China
| | - Zhong-Yuan Yao
- The State Key Laboratory of Medical Genetics of China, Central South University, 72 Xiangya Road, Changsha, 410008, China
| | - Yan-Ping Li
- The Reproductive Medical Center of Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008, China
| | - Yi Quan
- The State Key Laboratory of Medical Genetics of China, Central South University, 72 Xiangya Road, Changsha, 410008, China
| | - Xin-Ning Li
- The State Key Laboratory of Medical Genetics of China, Central South University, 72 Xiangya Road, Changsha, 410008, China
| | - Chang-Long Xu
- The Reproductive Medical Center of Nanning Second People's Hospital, Guangxi Medical University, 13 Dancun Road, Nanning, 530031, China
| | - Ying Qiu
- The Reproductive Medical Center of Nanning Second People's Hospital, Guangxi Medical University, 13 Dancun Road, Nanning, 530031, China
| | - Ling-Qian Wu
- The State Key Laboratory of Medical Genetics of China, Central South University, 72 Xiangya Road, Changsha, 410008, China
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González-Fernández L, Sánchez-Calabuig MJ, Alves MG, Oliveira PF, Macedo S, Gutiérrez-Adán A, Rocha A, Macías-García B. Expanded equine cumulus-oocyte complexes exhibit higher meiotic competence and lower glucose consumption than compact cumulus-oocyte complexes. Reprod Fertil Dev 2018; 30:297-306. [PMID: 28679463 DOI: 10.1071/rd16441] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Accepted: 06/06/2017] [Indexed: 12/29/2022] Open
Abstract
Equine cumulus-oocyte complexes (COCs) are classified as compact (cCOC) or expanded (eCOC) and vary in their meiotic competence. This difference could be related to divergent glucose metabolism. To test this hypothesis in the present study, eCOCs, cCOCs and expanded or compact mural granulosa cells (EC and CC respectively) were matured in vitro for 30h, at which time maturation rate, glucose metabolism and the expression of genes involved in glucose transport, glycolysis, apoptosis and meiotic competence were determined. There were significant differences between eCOCs and cCOCs in maturation rate (50% vs 21.7% (n=192 and 46) respectively; P<0.001), as well as mean (±s.e.m.) glucose consumption (1.8±0.5 vs 27.9±5.9 nmol per COC respectively) and pyruvate (0.09±0.01 vs 2.4±0.8 nmol per COC respectively) and lactate (4.7±1.3 vs 64.1±20.6 nmol per COC respectively; P<0.05 for all) production. Glucose consumption in EC and CC did not differ significantly. Expression of hyaluronan-binding protein (tumour necrosis factor alpha induced protein 6; TNFAIP6) was increased in eCOCs and EC, and solute carrier family 2 member 1 (SLC2A1) expression was increased in eCOCs, but there were no differences in the expression of glycolysis-related enzymes and solute carrier family 2 member 3 (SLC2A3) between the COC or mural granulosa cell types. The findings of the present study demonstrate that metabolic and genomic differences exist between eCOCs and cCOCs and mural granulosa cells in the horse.
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Affiliation(s)
- L González-Fernández
- Centro de Estudos de Ciência Animal/Instituto de Ciências, Tecnologias e Agroambiente; Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Campus Agrario de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal
| | - M J Sánchez-Calabuig
- Department of Animal Reproduction, Instituto nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Ctra. De la Coruña,Km. 5.9, Madrid 28040, Spain
| | - M G Alves
- Department of Microscopy, Cell Biology Laboratory, Abel Salazar Institute of Biomedical Sciences and Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal
| | - P F Oliveira
- Department of Microscopy, Cell Biology Laboratory, Abel Salazar Institute of Biomedical Sciences and Unit for Multidisciplinary Research in Biomedicine (UMIB), University of Porto, Porto, Portugal
| | - S Macedo
- Centro de Estudos de Ciência Animal/Instituto de Ciências, Tecnologias e Agroambiente; Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Campus Agrario de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal
| | - A Gutiérrez-Adán
- Department of Animal Reproduction, Instituto nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), Ctra. De la Coruña,Km. 5.9, Madrid 28040, Spain
| | - A Rocha
- Centro de Estudos de Ciência Animal/Instituto de Ciências, Tecnologias e Agroambiente; Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Campus Agrario de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal
| | - B Macías-García
- Centro de Estudos de Ciência Animal/Instituto de Ciências, Tecnologias e Agroambiente; Instituto de Ciências Biomédicas Abel Salazar, University of Porto, Campus Agrario de Vairão, Rua Padre Armando Quintas, 4485-661 Vairão, Portugal
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The regulatory role of icariin on apoptosis in mouse preimplantation embryos with reduced microRNA-21. Theriogenology 2014; 82:461-8. [DOI: 10.1016/j.theriogenology.2014.05.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Revised: 05/10/2014] [Accepted: 05/10/2014] [Indexed: 02/07/2023]
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Pacini N, Borziani F. Cancer stem cell theory and the warburg effect, two sides of the same coin? Int J Mol Sci 2014; 15:8893-930. [PMID: 24857919 PMCID: PMC4057766 DOI: 10.3390/ijms15058893] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Revised: 04/28/2014] [Accepted: 05/12/2014] [Indexed: 12/12/2022] Open
Abstract
Over the last 100 years, many studies have been performed to determine the biochemical and histopathological phenomena that mark the origin of neoplasms. At the end of the last century, the leading paradigm, which is currently well rooted, considered the origin of neoplasms to be a set of genetic and/or epigenetic mutations, stochastic and independent in a single cell, or rather, a stochastic monoclonal pattern. However, in the last 20 years, two important areas of research have underlined numerous limitations and incongruities of this pattern, the hypothesis of the so-called cancer stem cell theory and a revaluation of several alterations in metabolic networks that are typical of the neoplastic cell, the so-called Warburg effect. Even if this specific “metabolic sign” has been known for more than 85 years, only in the last few years has it been given more attention; therefore, the so-called Warburg hypothesis has been used in multiple and independent surveys. Based on an accurate analysis of a series of considerations and of biophysical thermodynamic events in the literature, we will demonstrate a homogeneous pattern of the cancer stem cell theory, of the Warburg hypothesis and of the stochastic monoclonal pattern; this pattern could contribute considerably as the first basis of the development of a new uniform theory on the origin of neoplasms. Thus, a new possible epistemological paradigm is represented; this paradigm considers the Warburg effect as a specific “metabolic sign” reflecting the stem origin of the neoplastic cell, where, in this specific metabolic order, an essential reason for the genetic instability that is intrinsic to the neoplastic cell is defined.
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Affiliation(s)
- Nicola Pacini
- Laboratorio Privato di Biochimica F. Pacini, via trabocchetto 10, 89126 Reggio Calabria, Italy.
| | - Fabio Borziani
- Laboratorio Privato di Biochimica F. Pacini, via trabocchetto 10, 89126 Reggio Calabria, Italy.
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Frank LA, Sutton-McDowall ML, Gilchrist RB, Thompson JG. The effect of peri-conception hyperglycaemia and the involvement of the hexosamine biosynthesis pathway in mediating oocyte and embryo developmental competence. Mol Reprod Dev 2014; 81:391-408. [DOI: 10.1002/mrd.22299] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 12/31/2013] [Indexed: 12/12/2022]
Affiliation(s)
- Laura A. Frank
- The Robinson Institute, The Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, The University of Adelaide; Adelaide South Australia Australia
| | - Melanie L. Sutton-McDowall
- The Robinson Institute, The Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, The University of Adelaide; Adelaide South Australia Australia
| | - Robert B. Gilchrist
- The Robinson Institute, The Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, The University of Adelaide; Adelaide South Australia Australia
| | - Jeremy G. Thompson
- The Robinson Institute, The Research Centre for Reproductive Health, School of Paediatrics and Reproductive Health, The University of Adelaide; Adelaide South Australia Australia
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