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Khaliq A, Hamza MA, Ashraf T, Husnain A, Yaseen M, Rehman A, Binyameen M, Zahoor MY, Riaz A. Effect of supplementing epinephrine in maturation media on in-vitro developmental competence of cattle and buffalo oocytes. Theriogenology 2024; 226:219-227. [PMID: 38917697 DOI: 10.1016/j.theriogenology.2024.06.008] [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] [Received: 01/31/2024] [Revised: 06/12/2024] [Accepted: 06/12/2024] [Indexed: 06/27/2024]
Abstract
During in-vitro maturation, the oocyte experiences stressful conditions that likely compromise its development. Epinephrine is a catecholamine that plays a vital role during cellular stress by scavenging free radicals. The hypothesis is that epinephrine addition in maturation media improves the developmental competence of oocytes in cattle and buffalo. The objectives of the experiments were to investigate the effect of epinephrine addition in maturation media on nuclear maturation, developmental competence, and oocyte mRNA abundance of genes related to antioxidants and growth pathways in cattle and buffalo. In experiment 1, cattle oocytes were matured for 24 h in maturation media supplemented with increasing concentrations of epinephrine 0, 0.01, 1.0, and 100 μM. Oocytes were cultured to assess cleavage at 48 h and blastocyst on day 7 of the culture. The cumulus-oocyte complexes (COCs) expansion, nuclear maturation, and oocyte mRNA abundance of genes (SOD1, GPX4, GDF9, CASP9) were evaluated. In experiment 2, buffalo oocytes were matured and assessed for development and mRNA abundance as described for cattle. In addition, the blastomere number was counted in the hatched blastocyst. The data were analyzed using GLIMMIX and MIXED procedures of SAS. Results revealed that the supplementation of epinephrine increased (P ≤ 0.03) the COCs expansion, nuclear maturation, and developmental competence of oocytes in cattle. Interestingly, all the responses were maximized (quadratic effect; P ≤ 0.08) at 1 μM concentrations. The mRNA abundance of genes in cattle oocytes was not affected by the treatment. The experiment in buffalo revealed that epinephrine increased blastocyst formation without affecting COCs expansion, and nuclear maturation. The higher blastocyst was achieved at 0.01 μM concentrations of epinephrine. Interestingly, the addition of epinephrine increased the mRNA abundance of genes related to antioxidant pathways (SOD1, GPX4). Moreover, supplementation of epinephrine increased the blastomere count of the hatched blastocyst in buffalo. In conclusion, epinephrine addition in maturation media benefited oocyte development in cattle and blastocyst yield in buffalo at 1 and 0.01 μM concentrations, respectively. It appears that the addition of epinephrine affected different cellular pathways, COCs expansion, and nuclear maturation in cattle and increased antioxidant genes for buffalo.
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Affiliation(s)
- Abdul Khaliq
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Muhammad Ameer Hamza
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Talha Ashraf
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Ali Husnain
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Muhammad Yaseen
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Abdul Rehman
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan
| | - Muhammad Binyameen
- Reproduction Division, Buffalo Research Institute, Pattoki, 55300, Pakistan
| | - Muhammad Yasir Zahoor
- Institute of Biochemistry and Biotechnology, University of Veterinary and Animal Sciences, Outfall Road, Lahore, 54000, Pakistan
| | - Amjad Riaz
- Department of Theriogenology, University of Veterinary and Animal Sciences, Outfall Road Lahore, 54000, Pakistan.
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Zhang XL, An ZY, Lu GJ, Zhang T, Liu CW, Liu MQ, Wei QX, Quan LH, Kang JD. MCT1-mediated transport of valeric acid promotes porcine preimplantation embryo development by improving mitochondrial function and inhibiting the autophagic AMPK-ULK1 pathway. Theriogenology 2024; 225:152-161. [PMID: 38805997 DOI: 10.1016/j.theriogenology.2024.05.037] [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: 01/31/2024] [Revised: 05/16/2024] [Accepted: 05/23/2024] [Indexed: 05/30/2024]
Abstract
Oocytes and embryos are highly sensitive to environmental stress in vivo and in vitro. During in vitro culture, many stressful conditions can affect embryo quality and viability, leading to adverse clinical outcomes such as abortion and congenital abnormalities. In this study, we found that valeric acid (VA) increased the mitochondrial membrane potential and ATP content, decreased the level of reactive oxygen species that the mitochondria generate, and thus improved mitochondrial function during early embryonic development in pigs. VA decreased expression of the autophagy-related factors LC3B and BECLIN1. Interestingly, VA inhibited expression of autophagy-associated phosphorylation-adenosine monophosphate-activated protein kinase (p-AMPK), phosphorylation-UNC-51-like autophagy-activated kinase 1 (p-ULK1, Ser555), and ATG13, which reduced apoptosis. Short-chain fatty acids (SCFAs) can signal through G-protein-coupled receptors on the cell membrane or enter the cell directly through transporters. We further show that the monocarboxylate transporter 1 (MCT1) was necessary for the effects of VA on embryo quality, which provides a new molecular perspective of the pathway by which SCFAs affect embryos. Importantly, VA significantly inhibited the AMPK-ULK1 autophagic signaling pathway through MCT1, decreased apoptosis, increased expression of embryonic pluripotency genes, and improved embryo quality.
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Affiliation(s)
- Xiu-Li Zhang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Zhi-Yong An
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Gao-Jie Lu
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Tuo Zhang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Cheng-Wei Liu
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Meng-Qi Liu
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Qing-Xin Wei
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China.
| | - Lin-Hu Quan
- College of Pharmacy, Yanbian University, Yanji, 133002, China.
| | - Jin-Dan Kang
- Department of Animal Science, College of Agriculture, Yanbian University, Yanji, 133002, China; Jilin Provincial Key Laboratory of Transgenic Animal and Embryo Engineering, Yanji, 133002, China.
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Wang YQ, Qu HX, Dong YW, Qi JJ, Wei HK, Sun H, Jiang H, Zhang JB, Sun BX, Liang S. Inhibition of FSP1 impairs early embryo developmental competence in pigs. Theriogenology 2024; 214:257-265. [PMID: 37944430 DOI: 10.1016/j.theriogenology.2023.10.025] [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] [Received: 08/06/2023] [Revised: 10/02/2023] [Accepted: 10/19/2023] [Indexed: 11/12/2023]
Abstract
Ferroptosis suppressor protein 1 (FSP1) is a glutathione-independent ferroptosis inhibitory factor. FSP1 has been found to play a crucial role in the regulation of mitochondrial function and ferroptosis. However, its function in porcine early embryonic development remains unknown. In the present research, we found that FSP1 was expressed at different stages during porcine early embryo development. Compared with the control condition, inhibition of FSP1 reduced the cleavage rate at 24 h and 48 h and the blastocyst rate at 144 h. In addition, inhibiting FSP1 reduced the blastocyst diameter, total cell number, and proliferation capacity. Further analysis showed that inhibition of FSP1 significantly increased the levels of ferrous ions (Fe2+) and MDA but not GPX4. We also found that inhibition of FSP1 significantly decreased mitochondrial membrane potential and ATP levels, which in turn caused excessive accumulation of ROS and decreased the levels of GSH and the activity of the intracellular antioxidant enzymes SOD and CAT in embryos. In conclusion, FSP1, an important regulator, participates in regulating the development and quality of porcine early embryos. Inhibition of FSP1 impairs blastocyst formation, induces glutathione-independent ferroptosis, and further leads to oxidative stress due to mitochondrial dysfunction, ultimately affecting the developmental competence and impairing the quality of porcine early embryos.
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Affiliation(s)
- Yan-Qiu Wang
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - He-Xuan Qu
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Yan-Wei Dong
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Jia-Jia Qi
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Hua-Kai Wei
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Hao Sun
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Hao Jiang
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Jia-Bao Zhang
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China
| | - Bo-Xing Sun
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China.
| | - Shuang Liang
- Department of Animals Sciences, College of Animal Sciences, Jilin University, Changchun, China.
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Davoodian N, Kadivar A, Mehrban H. Supplementation of media with gamma-oryzanol as a novel antioxidant to overcome redox imbalance during bovine oocyte maturation in vitro. Reprod Domest Anim 2024; 59:e14503. [PMID: 37942895 DOI: 10.1111/rda.14503] [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: 08/01/2023] [Revised: 10/06/2023] [Accepted: 10/26/2023] [Indexed: 11/10/2023]
Abstract
This study evaluated the effect of supplementing IVM media with γ-oryzanol (ORY), a nutraceutical derived from rice bran oil, on the development of bovine oocytes and hindering the compromising effect of redox imbalance. An in vitro model of the bovine cumulus-oocyte complex was used for the evaluation of nuclear maturation and development. Antioxidant activity was investigated by assessing the level of ROS (Reactive Oxygen Species) and GSH (glutathione) in oocytes and quantitative changes in gene expression in matured oocytes and their respective cumulus cells. ORY supplementation increased the proportion of MII oocytes, cleaved embryos, and total blastocysts (p < .05) and was linked to higher and lower levels of intracellular GSH and ROS, respectively (p < .05). The treated oocytes and their respective cumulus-granulosa cells showed a modulation in the expression of genes related to apoptosis (downregulation of BAX and CHOP) and oxidative stress (upregulation of NRF2, CAT, and SOD). Also, relative upregulation of OCT-4 and IGF2R in treated oocytes was concomitant with higher subsequent development in terms of cleavage and total blastocyst rates (p < .05). Based on our findings, it appears that ORY supplementation can improve the nuclear maturation and development of bovine oocytes into blastocysts and augment their enzymatic and non-enzymatic antioxidant systems, maintaining the Redox balance and high enzymatic activity against ROS generation.
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Affiliation(s)
- Najmeh Davoodian
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
| | - Ali Kadivar
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
| | - Hossein Mehrban
- Department of Animal Science, Shahrekord University, Shahrekord, Iran
- Animal Science Research Institute of Iran, Agriculture Research, Education, and Extension Organization (AREEO), Karaj, Iran
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Kurzella J, Miskel D, Rings F, Tholen E, Tesfaye D, Schellander K, Salilew-Wondim D, Held-Hoelker E, Große-Brinkhaus C, Hoelker M. The mitochondrial respiration signature of the bovine blastocyst reflects both environmental conditions of development as well as embryo quality. Sci Rep 2023; 13:19408. [PMID: 37938581 PMCID: PMC10632430 DOI: 10.1038/s41598-023-45691-2] [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: 03/30/2023] [Accepted: 10/23/2023] [Indexed: 11/09/2023] Open
Abstract
The major limitation of the widespread use of IVP derived embryos is their consistent deficiencies in vitality when compared with their ex vivo derived counterparts. Although embryo metabolism is considered a useful metric of embryo quality, research connecting mitochondrial function with the developmental capacity of embryos is still lacking. Therefore, the aim of the present study was to analyse bovine embryo respiration signatures in relation to developmental capacity. This was achieved by taking advantage of two generally accepted metrics for developmental capacity: (I) environmental conditions during development (vivo vs. vitro) and (II) developmental kinetics (day 7 vs. day 8 blastocysts). Our study showed that the developmental environment affected total embryo oxygen consumption while different morphokinetics illustrating the embryo qualities correlate with maximal mitochondrial respiration, mitochondrial spare capacity, ATP-linked respiration as well as efficiency of ATP generation. This respiration fingerprint for high embryo quality is reflected by relatively lower lipid contents and relatively higher ROS contents. In summary, the results of the present study extend the existing knowledge on the relationship between bovine embryo quality and the signature of mitochondrial respiration by considering contrasting developmental environments as well as different embryo morphokinetics.
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Affiliation(s)
- Jessica Kurzella
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Dennis Miskel
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Franca Rings
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Ernst Tholen
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Dawit Tesfaye
- Department of Biomedical Sciences, Animal Reproduction and Biotechnology Laboratory, Colorado State University, 3105 Rampart Rd, Fort Collins, CO, 80521, USA
| | - Karl Schellander
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Dessie Salilew-Wondim
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
- Department of Animal Science, Biotechnology and Reproduction of Farm Animals, Georg-August-University Goettingen, Burckhardtweg 2, 37077, Göttingen, Germany
| | - Eva Held-Hoelker
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Christine Große-Brinkhaus
- Institute of Animal Sciences, Animal Breeding, University of Bonn, Endenicher Allee 15, 53115, Bonn, Germany
| | - Michael Hoelker
- Department of Animal Science, Biotechnology and Reproduction of Farm Animals, Georg-August-University Goettingen, Burckhardtweg 2, 37077, Göttingen, Germany.
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Joo YE, Jeong PS, Lee S, Jeon SB, Gwon MA, Kim MJ, Kang HG, Song BS, Kim SU, Cho SK, Sim BW. Anethole improves the developmental competence of porcine embryos by reducing oxidative stress via the sonic hedgehog signaling pathway. J Anim Sci Biotechnol 2023; 14:32. [PMID: 36814325 PMCID: PMC9945695 DOI: 10.1186/s40104-022-00824-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 12/11/2022] [Indexed: 02/24/2023] Open
Abstract
BACKGROUND Anethole (AN) is an organic antioxidant compound with a benzene ring and is expected to have a positive impact on early embryogenesis in mammals. However, no study has examined the effect of AN on porcine embryonic development. Therefore, we investigated the effect of AN on the development of porcine embryos and the underlying mechanism. RESULTS We cultured porcine in vitro-fertilized embryos in medium with AN (0, 0.3, 0.5, and 1 mg/mL) for 6 d. AN at 0.5 mg/mL significantly increased the blastocyst formation rate, trophectoderm cell number, and cellular survival rate compared to the control. AN-supplemented embryos exhibited significantly lower reactive oxygen species levels and higher glutathione levels than the control. Moreover, AN significantly improved the quantity of mitochondria and mitochondrial membrane potential, and increased the lipid droplet, fatty acid, and ATP levels. Interestingly, the levels of proteins and genes related to the sonic hedgehog (SHH) signaling pathway were significantly increased by AN. CONCLUSIONS These results revealed that AN improved the developmental competence of porcine preimplantation embryos by activating SHH signaling against oxidative stress and could be used for large-scale production of high-quality porcine embryos.
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Affiliation(s)
- Ye Eun Joo
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.262229.f0000 0001 0719 8572Department of Animal Science, College of Natural Resources and Life Science, Pusan National University, Miryang, South Korea
| | - Pil-Soo Jeong
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea
| | - Sanghoon Lee
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.254230.20000 0001 0722 6377Laboratory of Theriogenology, College of Veterinary Medicine, Chungnam National University, Daejeon, South Korea
| | - Se-Been Jeon
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.262229.f0000 0001 0719 8572Department of Animal Science, College of Natural Resources and Life Science, Pusan National University, Miryang, South Korea
| | - Min-Ah Gwon
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.412077.70000 0001 0744 1296Department of Biotechnology, College of Engineering, Daegu University, Gyeongsan, South Korea
| | - Min Ju Kim
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.262229.f0000 0001 0719 8572Department of Animal Science, College of Natural Resources and Life Science, Pusan National University, Miryang, South Korea
| | - Hyo-Gu Kang
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.254230.20000 0001 0722 6377Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon, South Korea
| | - Bong-Seok Song
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea
| | - Sun-Uk Kim
- grid.249967.70000 0004 0636 3099Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea ,grid.412786.e0000 0004 1791 8264Department of Functional Genomics, University of Science and Technology, Daejeon, South Korea
| | - Seong-Keun Cho
- Department of Animal Science, College of Natural Resources and Life Science, Life and Industry Convergence Research Institute, Pusan National University, Miryang, South Korea.
| | - Bo-Woong Sim
- Futuristic Animal Resource and Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, South Korea.
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Abstract
The objective of this study was to investigate the effects of adding β-mercaptoethanol (βME) to culture medium of bovine in vitro-produced (IVP) embryos prior to or after vitrification on embryo development and cryotolerance. In Experiment I, Day-7 IVP blastocysts were vitrified and, after warming, cultured in medium containing 0, 50 or 100 μM βME for 72 h. Embryos cultured in 100 μM βME attained higher hatching rates (66.7%) than those culture in 0 (47.7%) and 50 (52.4%) μM βME. In Experiment II, IVP embryos were in vitro-cultured (IVC) to the blastocyst stage in 0 (control) or 100 μM βME, followed by vitrification. After warming, embryos were cultured for 72 h (post-warming culture, PWC) in 0 (control) or 100 μM βME, in a 2 × 2 factorial design: (i) CTRL-CTRL, control IVC and control PWC; (ii) CTRL-βME, control IVC and βME-supplemented PWC; (iii) βME-CTRL, βME-supplemented IVC and control PWC; or (iv) βME-βME, βME-supplemented IVC and βME-supplemented PWC. βME during IVC reduced embryo development (28.0% vs. 43.8%) but, following vitrification, higher re-expansion rates were seen in βME-CTRL (84.0%) and βME-βME (87.5%) than in CTRL-CTRL (71.0%) and CTRL-βME (73.1%). Hatching rates were higher in CTRL-βME (58.1%) and βME-βME (63.8%) than in CTRL-CTRL (36.6%) and βME-CTRL (42.0%). Total cell number in hatched blastocysts was higher in βME-βME (181.2 ± 7.4 cells) than CTRL-CTRL (139.0 ± 9.9 cells). Adding βME to the IVC medium reduced development but increased cryotolerance, whereas adding βME to the PWC medium improved embryo survival, hatching rates, and total cell numbers.
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Elgendy O, Kitahara G, Taniguchi S, Osawa T. 5-Aminolevulinic acid combined with sodium ferrous citrate mitigates effects of heat stress on bovine oocyte developmental competence. J Reprod Dev 2022; 68:271-277. [PMID: 35705297 PMCID: PMC9334322 DOI: 10.1262/jrd.2021-145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
High summer temperatures have deleterious effects on oocyte developmental competence. The antioxidant and autophagy-related properties of 5-aminolevulinic acid (5-ALA) gives the compound a
broad range of biological activities. This study aimed to evaluate the effects of: 1) a high temperature-humidity index (THI) on the developmental competence of bovine oocytes, and 2) 5-ALA
administration in combination with sodium ferrous citrate (SFC) during in vitro maturation (IVM) on bovine oocyte developmental competence evaluated at high THI. Bovine
ovaries were collected from a local slaughterhouse at moderate environmental temperature (MT; THI of 56.2) and high environmental temperature (HT; THI of 76.7) periods; cumulus-oocyte
complexes (COCs) were aspirated from medium-sized follicles, matured in vitro for 22 h, fertilized, and cultured for 10 days. For COCs collected during the HT period, 0
(control), 0.01, 0.1, 0.5, or 1 µM 5-ALA was added to the maturation medium in combination with SFC at a molar ratio of 1:0.125. The results showed that HT adversely affected blastocyst and
hatching rates compared with MT. Adding 5-ALA/SFC (1 µM/0.125 µM) to the maturation medium of oocytes collected during the HT period improved cumulus cell expansion and blastocyst rates
compared with the no-addition control. In conclusion, this study showed that high THI can disrupt bovine oocyte developmental competence. Adding 5-ALA to SFC ameliorates this negative effect
of heat stress and improves subsequent embryo development.
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Affiliation(s)
- Omnia Elgendy
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan.,Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan.,Department of Theriogenology, Faculty of Veterinary Medicine, Benha University, Qalyobia 3736, Egypt
| | - Go Kitahara
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan.,Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
| | - Shin Taniguchi
- Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan.,One Health Business Department, Neopharma Japan Co., Ltd., Tokyo 102-0071, Japan
| | - Takeshi Osawa
- Graduate School of Medicine and Veterinary Medicine, University of Miyazaki, Miyazaki 889-2192, Japan.,Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki, Miyazaki 889-2192, Japan
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Lycopene Improves In Vitro Development of Porcine Embryos by Reducing Oxidative Stress and Apoptosis. Antioxidants (Basel) 2021; 10:antiox10020230. [PMID: 33546473 PMCID: PMC7913612 DOI: 10.3390/antiox10020230] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 12/11/2022] Open
Abstract
In vitro culture (IVC) for porcine embryo development is inferior compared to in vivo development because oxidative stress can be induced by the production of excessive reactive oxygen species (ROS) under high oxygen tension in the in vitro environment. To overcome this problem, we investigated the effect of lycopene, an antioxidant carotenoid, on developmental competence and the mechanisms involved in mitochondria-dependent apoptosis pathways in porcine embryos. In vitro fertilized (IVF) embryos were cultured in IVC medium supplemented with 0, 0.02, 0.05, 0.1, or 0.2 μM lycopene. The results indicate that 0.1 μM lycopene significantly increased the rate of blastocyst formation and the total cell numbers, including trophectoderm cell numbers, on Day In terms of mitochondria-dependent apoptosis, IVF embryos treated with 0.1 μM lycopene exhibited significantly decreased levels of ROS, increased mitochondrial membrane potential, and decreased expression of cytochrome c on Days 2 and Furthermore, 0.1 μM lycopene significantly decreased the number and percentage of caspase 3-positive and apoptotic cells in Day-6 blastocysts. In addition, Day-2 embryos and Day-6 blastocysts treated with 0.1 μM lycopene showed significantly reduced mRNA expression related to antioxidant enzymes (SOD1, SOD2, CATALASE) and apoptosis (BAX/BCL2L1 ratio). These results indicate that lycopene supplementation during the entire period of IVC enhanced embryonic development in pigs by regulating oxidative stress and mitochondria-dependent apoptosis.
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Abstract
The mitochondria, present in almost all eukaryotic cells, produce energy but also contribute to many other essential cellular functions. One of the unique characteristics of the mitochondria is that they have their own genome, which is only maternally transmitted via highly specific mechanisms that occur during gametogenesis and embryogenesis. The mature oocyte has the highest mitochondrial DNA copy number of any cell. This high mitochondrial mass is directly correlated to the capacity of the oocyte to support the early stages of embryo development in many species. Indeed, the subtle energetic and metabolic modifications that are necessary for each of the key steps of early embryonic development rely heavily on the oocyte’s mitochondrial load and activity. For example, epigenetic reprogramming depends on the metabolic cofactors produced by the mitochondrial metabolism, and the reactive oxygen species derived from the mitochondrial respiratory chain are essential for the regulation of cell signaling in the embryo. All these elements have also led scientists to consider the mitochondria as a potential biomarker of oocyte competence and embryo viability, as well as a key target for future potential therapies. However, more studies are needed to confirm these findings. This review article summarizes the past two decades of research that have led to the current understanding of mitochondrial functions in reproduction
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11
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Melatonin slightly alleviates the effect of heat shock on bovine oocytes and resulting blastocysts. Theriogenology 2020; 158:477-489. [PMID: 33080451 DOI: 10.1016/j.theriogenology.2020.09.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 08/17/2020] [Accepted: 09/29/2020] [Indexed: 12/20/2022]
Abstract
Heat stress is associated with increased production of reactive oxygen species (ROS) and disruption of bovine oocyte function. Here, we examined whether the antioxidant melatonin can alleviate the deleterious effects of heat stress on oocyte developmental competence. Cumulus-oocyte complexes were matured for 22 h at 38.5 °C (control) or for 22 h at 41.5 °C (heat shock) with or without 1.0 × 10-7 M melatonin. At the end of maturation, a subgroup of oocytes was examined for nuclear and cytoplasmic maturation, ROS level and mitochondrial membrane potential. A second subgroup of oocytes underwent fertilization (18 h), and putative zygotes were cultured in an incubator equipped with a time-lapse system for ∼190 h. Cleavage rate and the proportion of blastocysts, as well as embryo kinetics were recorded. Expanded blastocysts were collected and their transcript abundance was evaluated. Heat shock increased ROS and reduced the proportion of oocytes that resumed meiosis and reached the metaphase-II stage. Exposing oocytes to heat shock with melatonin alleviated these effects to some extent, expressed by a marginal reduction in ROS level and increased proportion of metaphase-II stage oocytes. Neither the distribution of oocyte cortical granules nor polarization of the mitochondrial membrane differed between control and heat-shocked oocytes cultured with or without melatonin. Heat shock reduced the proportion of embryos that cleaved and developed to blastocysts, characterized by alterations in kinetics of the developed embryos expressed by a delay in the first cleavage, second cleavage and blastocyst formation for heat-shock vs. control groups. Melatonin did not restore the competence or kinetics of embryos developed from heat-shocked oocytes. However, expanded blastocysts developed from heat-shocked oocytes treated with melatonin expressed a higher transcript abundance of genes associated with mitochondrial function, relative to the control and heat-shock group. In summary, melatonin improved the oxidative status of heat-shocked oocytes to some extent and had a beneficial effect on maternal mitochondrial transcripts in the developed blastocysts.
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12
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Sosa F, Romo S, Kjelland ME, Álvarez-Gallardo H, Pérez-Reynozo S, Urbán-Duarte D, De La Torre-Sánchez JF. Effect of pterostilbene on development, equatorial lipid accumulation and reactive oxygen species production of in vitro-produced bovine embryos. Reprod Domest Anim 2020; 55:1490-1500. [PMID: 32767686 DOI: 10.1111/rda.13798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 02/24/2020] [Accepted: 08/03/2020] [Indexed: 11/29/2022]
Abstract
The pterostilbene (PT) molecule is a phytoalexin with a reducing effect on reactive oxygen species (ROS) and with a capacity to block lipogenesis. However, the potential reducing effects of PT on equatorial lipid accumulation and ROS have not yet been elucidated for in vitro-derived bovine embryos. The present study evaluated the effects of concentrations of 3, 1, 0.33, 0.11 μM PT, and a vehicle group on the percentage of cleaved embryos, embryos with more than 6 cells, percentage of blastocyst on Day 7 and 8, percentage of transferable embryos on Day 7, the cell count and relative concentration of lipids. In the second experiment, the effects of 0.33 μM PT and a vehicle group within two different O2 environments (5% and 20%) were evaluated for ROS generation and the percentage of Day 8 blastocysts. In the first experiment, no significant differences were found between the treatments with PT and the vehicle group (p > .05) concerning the percentage of cleaved embryos and embryos with more than 6 cells. Lipid reduction was observed in the groups treated with PT versus the vehicle group (p < .05). The vehicle group showed a higher rate of blastocyst production on Days 7 and 8 (p < .05) and an increase in the percentage of transferable embryos on Day 7 compared to the PT treatment groups (p < .05). Cell counts were not significantly different between treatments with PT and the vehicle group (p > .05). In the second experiment, the O2 concentration did not significantly affect ROS generation (p > .05); however, the groups treated with PT (0.33 μM) had a reduction in ROS (p < .05). The O2 concentration also did not significantly affect the rate of blastocyst production on Day 8 (p = .7696). Future research should be conducted to ascertain whether the reduction of lipids could enhance the cryopreservation and post-thaw viability of PT-treated embryos.
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Affiliation(s)
- Froylan Sosa
- Facultad de Estudios Superiores Cuautitlán, UNAM, Cuautitlán Izcalli, Mexico
| | - Salvador Romo
- Facultad de Estudios Superiores Cuautitlán, UNAM, Cuautitlán Izcalli, Mexico
| | - Michael E Kjelland
- Conservation, Genetics & Biotech, LLC, Valley City, ND, USA.,Mayville State University, Mayville, ND, USA
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13
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Yuan YG, Wang JL, Mesalam A, Li L, Choi YJ, Talimur Reza AMM, Zhou D, Chen L, Qian C. Nicotinamide-induced mouse embryo developmental defect rescued by resveratrol and I-CBP112. Mol Reprod Dev 2020; 87:1009-1017. [PMID: 32818292 DOI: 10.1002/mrd.23405] [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: 05/13/2020] [Revised: 06/16/2020] [Accepted: 07/13/2020] [Indexed: 11/08/2022]
Abstract
Cell cycle of mouse embryo could be delayed by nicotinamide (NAM). Histone H3 lysine 56 (H3K56ac) acetylation plays an important role in mammalian genomic stability and the function of this modification in mouse embryos is not known. Hence, we designed to study the effects of NAM-induced oxidative stress on the developmental ability of mouse embryos, on the acetylation of H3K56ac and the possible functions of this modification related to mouse embryo development. Treatment with NAM (10, 20, or 40 mmol/L for 24 or 48 hr) during in vitro culture significantly decreased developmental rate of blastocyst (24 hr: 90.2 vs. 81.2, 43.2, and 18.2, with p > .05, p < .01, respectively; 48 hr: 89.3 vs. 53.2%, 12.1%, and 0% with p < .05, respectively). NAM treatment (20 mmol/L) for 6 and 31 hr resulted in increased intracellular reactive oxygen species levels in two-cell embryos, and apoptotic cell numbers in blastocysts. Resveratrol (RSV) and I-CBP112 rescued the 20 mmol/L NAM-induced embryo developmental defects. RSV and I-CBP112 increased the level of Sirt1 and decreased the level of H3K56ac induced by NAM in two-cell embryos (p < .05). These data suggest that NAM treatment decreases the expression of Sirt1, which induces high levels of H3K56 acetylation that may be involved in oxidative stress-induced mouse embryo defects, which can be rescued by RSV and I-CBP112.
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Affiliation(s)
- Yu-Guo Yuan
- Department of Theriogenology, College of Veterinary Medicine/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China.,Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses/Jiangsu Key Laboratory of Zoonosis/Jiangsu Key Laboratory of Animal genetic Breeding and Molecular Design, College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu, China.,Department of Stem cell and Regenerative Biotechnology, Konkuk University, Seoul, Republic of Korea
| | - Jia-Lin Wang
- Department of Theriogenology, College of Veterinary Medicine/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China
| | - Ayman Mesalam
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Ling Li
- Department of Theriogenology, College of Veterinary Medicine/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China
| | - Yun-Jung Choi
- Department of Stem cell and Regenerative Biotechnology, Konkuk University, Seoul, Republic of Korea
| | - Abu Musa Md Talimur Reza
- Division of Bioinformatics, Institute of Biochemistry and Biophysics Polish Academy of Sciences, Warsaw, Poland
| | - Dongjie Zhou
- Department of Stem cell and Regenerative Biotechnology, Konkuk University, Seoul, Republic of Korea
| | - Li Chen
- Department of Theriogenology, College of Veterinary Medicine/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China
| | - Chen Qian
- Department of Theriogenology, College of Veterinary Medicine/Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou, Jiangsu, China
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14
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Javvaji PK, Dhali A, Francis JR, Kolte AP, Mech A, Roy SC, Mishra A, Bhatta R. An Efficient Nitroblue Tetrazolium Staining and Bright-Field Microscopy Based Method for Detecting and Quantifying Intracellular Reactive Oxygen Species in Oocytes, Cumulus Cells and Embryos. Front Cell Dev Biol 2020; 8:764. [PMID: 32850864 PMCID: PMC7417451 DOI: 10.3389/fcell.2020.00764] [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: 03/06/2020] [Accepted: 07/21/2020] [Indexed: 11/30/2022] Open
Abstract
Assessment of intracellular reactive oxygen species (ROS) is important for evaluating the developmental ability of cumulus-oocyte complexes (COC) and embryos. Although, fluorescence-based 2′,7′-dichlorodihydrofluorescein diacetate (DCFH-DA) staining method is used widely for detecting intracellular ROS in COC and embryos, it is associated with several limitations. This study aimed to develop an alternative method for detecting and quantifying intracellular ROS in oocytes, cumulus cells and embryos based on nitroblue tetrazolium (NBT) staining and bright-field microscopy. Nitroblue tetrazolium reacts with ROS and forms formazan precipitate that can be detected as dark purple/blue spots under bright-field microscope. Ovine COC were matured in vitro without (control) or with the supplementation of Interleukin-7 (IL-7; for stimulating intracellular ROS), Tempol (superoxide scavenger) or combination of IL-7 and Tempol. The matured COC were stained with NBT and the formation of intracellular formazan precipitates was assessed. Additionally, the matured COC were stained with DCFH-DA to compare the level of intracellular ROS. Further, ovine embryos (8-cell, morula, and degenerating) were generated in vitro and stained with NBT for assessing intracellular ROS. The level of intracellular ROS was expressed as the proportion (%) of the NBT stained area of oocytes, compact cumulus cell masses or embryos. The proportions of NBT stained area in the matured oocytes and cumulus cells was found significantly lesser in the control as compared to the IL-7 (1 and 5 ng/ml) treated groups. A similar trend in the intracellular ROS level was also observed in the matured COC, when assessed based on the DCFH-DA staining. Following the treatment with Tempol (100 mM), negligible NBT stained area in oocytes and cumulus cells was observed. The NBT staining patterns of the oocytes and cumulus cells following the combined treatment with IL-7 (5 ng/ml) and Tempol (10 and 25 mM) were comparable with that of the control. The proportion of NBT stained area did not differ significantly between the 8-cell embryos and morula, but was found significantly greater in the degenerating embryos. In conclusion, the developed NBT staining method was found effective for detecting and interpreting the level of intracellular ROS in oocytes, cumulus cells and embryos. This method can be used as an alternative to the DCFH-DA staining method.
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Affiliation(s)
- Pradeep K Javvaji
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India.,Center for Post Graduate Studies, Jain University, Bengaluru, India
| | - Arindam Dhali
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Joseph R Francis
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India.,Center for Post Graduate Studies, Jain University, Bengaluru, India
| | - Atul P Kolte
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Anjumoni Mech
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Sudhir C Roy
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Ashish Mishra
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
| | - Raghavendra Bhatta
- OMICS Laboratory, ICAR-National Institute of Animal Nutrition and Physiology, Bengaluru, India
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15
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Yahfoufi ZA, Bai D, Khan SN, Chatzicharalampous C, Kohan-Ghadr HR, Morris RT, Abu-Soud HM. Glyphosate Induces Metaphase II Oocyte Deterioration and Embryo Damage by Zinc Depletion and Overproduction of Reactive Oxygen Species. Toxicology 2020; 439:152466. [PMID: 32315717 DOI: 10.1016/j.tox.2020.152466] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 12/18/2022]
Abstract
Glyphosate is the most popular herbicide used in modern agriculture, and its use has been increasing substantially since its introduction. Accordingly, glyphosate exposure from food and water, the environment, and accidental and occupational venues has also increased. Recent studies have demonstrated a relationship between glyphosate exposure and a number of disorders such as cancer, immune and metabolic disorders, endocrine disruption, imbalance of intestinal flora, cardiovascular disease, and infertility; these results have given glyphosate a considerable amount of media and scientific attention. Notably, glyphosate is a powerful metal chelator, which could help explain some of its effects. Recently, our findings on 2,3-dimercapto-1-propanesulfonic acid, another metal chelator, showed deterioration of oocyte quality. Here, to generalize, we investigated the effects of glyphosate (0 - 300 μM) on metaphase II mouse oocyte quality and embryo damage to obtain insight on its mechanisms of cellular action and the tolerance of oocytes and embryos towards this chemical. Our work shows for the first time that glyphosate exposure impairs metaphase II mouse oocyte quality via two mechanisms: 1) disruption of the microtubule organizing center and chromosomes such as anomalous pericentrin formation, spindle fiber destruction and disappearance, and defective chromosomal alignment and 2) substantial depletion of intracellular zinc bioavailability and enhancement of reactive oxygen species accumulation. Similar effects were found in embryos. These results may help clarify the effects of glyphosate exposure on female fertility and provide counseling and preventative steps for excessive glyphosate intake and resulting oxidative stress and reduced zinc bioavailability.
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Affiliation(s)
- Zeina A Yahfoufi
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States; Department of Physiology, Wayne State University School of Medicine, Detroit, MI,48201, United States
| | - David Bai
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States
| | - Sana N Khan
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States
| | - Charalampos Chatzicharalampous
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States
| | - Hamid-Reza Kohan-Ghadr
- Michigan State University, Department of Obstetrics, Gynecology and Reproductive Biology, College of Human Medicine, Grand Rapids, Michigan 45903, United States
| | - Robert T Morris
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States; Karmaros Cancer Institute, Detroit, MI, 48201, United States
| | - Husam M Abu-Soud
- Department of Obstetrics and Gynecology, The C.S. Mott Center for Human Growth and Development, Wayne State University School of Medicine, Detroit, Michigan 48201, United States; Department of Physiology, Wayne State University School of Medicine, Detroit, MI,48201, United States; Department of Microbiology, Immunology and Biochemistry, Wayne State University School of Medicine, Detroit, MI, 48201, United States.
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16
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Loren P, Sánchez-Villalba E, Risopatrón J, Arias ME, Felmer R, Sánchez R. Induction of oxidative stress does not increase the cryotolerance of vitrified embryos. Anim Reprod Sci 2020; 219:106511. [PMID: 32828397 DOI: 10.1016/j.anireprosci.2020.106511] [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: 11/15/2019] [Revised: 05/22/2020] [Accepted: 05/23/2020] [Indexed: 10/24/2022]
Abstract
Short-term treatment of mammalian oocytes with different stressors induces stress tolerance of embryos derived from these oocytes. The aims of this study were to evaluate effects on embryo development when there was treatment of oocyte complexes (COCs) used to derive the embryos with hydrogen peroxide (H2O2).The COCs were not incubated with H2O2: control (0 μM), or were incubated with 25, 50, 75, or 100 μM concentrations of H2O2 for 1 h prior to in vitro fertilization, and presumptive zygotes were cultured until day 7. Blastocysts at day 7 of development derived from H2O2-treated (25 μM treatment concentration) COCs were vitrified. Percentage of embryos undergoing cleavage was not affected by any treatment, while percentage of embryos developing to the blastocyst stage was less when there was treatment of COCs with 100 μM of H2O2. Embryo quality was less when COCs used to derive blastocysts were treated with 50, 75, or 100 μM concentrations of H2O2. There were lesser relative abundances of some mRNA transcripts of interest in blastocysts when there was treatment of COCs with H2O2. After vitrification, there were no differences in embryo re-expansion and hatching rates compared with fresh and vitrified blastocysts of the control group and those derived from COCs treated with 25 μM H2O2. In conclusion, treatment of COCs used to derive blastocysts with H2O2 does not induce stress tolerance in vitrified embryos of cattle; however, the viability of these blastocysts is similar to those of the control group.
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Affiliation(s)
- P Loren
- Applied Cellular and Molecular Biology Program, Universidad de La Frontera, Temuco, Chile
| | - E Sánchez-Villalba
- Applied Cellular and Molecular Biology Program, Universidad de La Frontera, Temuco, Chile
| | - J Risopatrón
- Department of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile
| | - M E Arias
- Department of Animal Production, Faculty of Agriculture and Forestry Sciences, Universidad de La Frontera, Temuco, Chile
| | - R Felmer
- Department of Agricultural Sciences and Natural Resources, Faculty of Agriculture and Forestry Sciences, Universidad de La Frontera, Temuco, Chile
| | - R Sánchez
- Department of Preclinical Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.
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17
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Abstract
The process of embryonic development is crucial and radically influences preimplantation embryo competence. It involves oocyte maturation, fertilization, cell division and blastulation and is characterized by different key phases that have major influences on embryo quality. Each stage of the process of preimplantation embryonic development is led by important signalling pathways that include very many regulatory molecules, such as primary and secondary messengers. Many studies, both in vivo and in vitro, have shown the importance of the contribution of reactive oxygen species (ROS) as important second messengers in embryo development. ROS may originate from embryo metabolism and/or oocyte/embryo surroundings, and their effect on embryonic development is highly variable, depending on the needs of the embryo at each stage of development and on their environment (in vivo or under in vitro culture conditions). Other studies have also shown the deleterious effects of ROS in embryo development, when cellular tissue production overwhelms antioxidant production, leading to oxidative stress. This stress is known to be the cause of many cellular alterations, such as protein, lipid, and DNA damage. Considering that the same ROS level can have a deleterious effect on the fertilizing oocyte or embryo at certain stages, and a positive effect at another stage of the development process, further studies need to be carried out to determine the rate of ROS that benefits the embryo and from what rate it starts to be harmful, this measured at each key phase of embryonic development.
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18
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Jeong PS, Yoon SB, Lee MH, Son HC, Lee HY, Lee S, Koo BS, Jeong KJ, Lee JH, Jin YB, Song BS, Kim JS, Kim SU, Koo DB, Sim BW. Embryo aggregation regulates in vitro stress conditions to promote developmental competence in pigs. PeerJ 2019; 7:e8143. [PMID: 31844571 PMCID: PMC6913270 DOI: 10.7717/peerj.8143] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 11/01/2019] [Indexed: 11/20/2022] Open
Abstract
Embryo aggregation is a useful method to produce blastocysts with high developmental competence to generate more offspring in various mammals, but the underlying mechanism(s) regarding the beneficial effects are largely unknown. In this study, we investigated the effects of embryo aggregation using 4-cell stage embryos in in vitro developmental competence and the relationship of stress conditions in porcine early embryogenesis. We conducted aggregation using the well of the well system and confirmed that aggregation using two or three embryos was useful for obtaining blastocysts. Aggregated embryos significantly improved developmental competence, including blastocyst formation rate, blastomere number, ICM/TE ratio, and cellular survival rate, compared to non-aggregated embryos. Investigation into the relationship between embryo aggregation and stress conditions revealed that mitochondrial function increased, and oxidative and endoplasmic reticulum (ER)-stress decreased compared to 1X (non-aggregated embryos) blastocysts. In addition, 3X (three-embryo aggregated) blastocysts increased the expression of pluripotency, anti-apoptosis, and implantation related genes, and decreased expression of pro-apoptosis related genes. Therefore, these findings indicate that embryo aggregation regulates in vitro stress conditions to increase developmental competence and contributes to the in vitro production of high-quality embryos and the large-scale production of transgenic and chimeric pigs.
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Affiliation(s)
- Pil-Soo Jeong
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Department of Biotechnology, College of Engineering, Daegu University, Gyeongsan, Republic of Korea
| | - Seung-Bin Yoon
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Primate Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Republic of Korea
| | - Mun-Hyeong Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Department of Biotechnology, College of Engineering, Daegu University, Gyeongsan, Republic of Korea
| | - Hee-Chang Son
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Hwal-Yong Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Sanghoon Lee
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Bon-Sang Koo
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Kang-Jin Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Jong-Hee Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Yeung Bae Jin
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
| | - Bong-Seok Song
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Ji-Su Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Primate Resource Center, Korea Research Institute of Bioscience and Biotechnology, Jeongeup, Republic of Korea
| | - Sun-Uk Kim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Deog-Bon Koo
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongsan, Republic of Korea
| | - Bo-Woong Sim
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea.,National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Cheongju, Republic of Korea
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19
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Dallemagne M, Ghys E, De Schrevel C, Mwema A, De Troy D, Rasse C, Donnay I. Oxidative stress differentially impacts male and female bovine embryos depending on the culture medium and the stress condition. Theriogenology 2018; 117:49-56. [PMID: 29859336 DOI: 10.1016/j.theriogenology.2018.05.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Revised: 05/15/2018] [Accepted: 05/17/2018] [Indexed: 01/02/2023]
Abstract
Male and female embryos are known to differ for their metabolism and response to environmental factors very early in development. The present study aimed to evaluate the response to oxidative stress of male and female bovine embryos at the morula-blastocyst stages in terms of developmental rates, total cell number and apoptotic rates in two culture conditions. Embryos where cultured in a medium supplemented with either 5% fetal calf serum (FCS) or 4 mg/mL bovine serum albumin and a mixture of insulin, transferrin and selenium (BSA-ITS). Oxidative stress was applied at Day-5 post insemination (pi) by adding either AAPH or menadione to the culture medium, and blastocysts were analyzed at Day-7pi. The impact on development and blastocyst quality was dependent on the culture medium and the stress inducer but differed between male and female embryos. Male embryos resisted better to oxidative stress in FCS supplemented medium, no matter the stress inducer. Accordingly, the impact on blastocyst cell number tended to be higher in female blastocysts after stress induction with AAPH in FCS supplemented medium. On the other hand, in BSA-ITS supplemented medium, female embryos were more resistant to AAPH induced stress, while menadione had no impact on sex ratio. The weaker resistance of males to AAPH in this medium is in accordance with their trend to show a higher increase in apoptotic rates than females in this condition. In conclusion, this study shows that oxidative stress has differential impact on male and female bovine blastocysts depending on the culture condition and on the way oxidative stress is induced.
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Affiliation(s)
- Matthew Dallemagne
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Emmanuelle Ghys
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Catalina De Schrevel
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Ariane Mwema
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Delphine De Troy
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Catherine Rasse
- Plate-forme technologique de Support en Méthodologie et Calcul Statistique, Université catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Isabelle Donnay
- Institut des Sciences de la Vie, Université catholique de Louvain, Louvain-la-Neuve, Belgium.
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20
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Jiang H, Liang S, Yao XR, Jin YX, Shen XH, Yuan B, Zhang JB, Kim NH. Laminarin improves developmental competence of porcine early stage embryos by inhibiting oxidative stress. Theriogenology 2018; 115:38-44. [PMID: 29705658 DOI: 10.1016/j.theriogenology.2018.04.019] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 04/13/2018] [Accepted: 04/17/2018] [Indexed: 12/17/2022]
Abstract
Laminarin (LMA), a β-glucan mixture with good biocompatibility, improves the growth performance and immune response when used as food additives and nutraceuticals. The aim of the present research was to explore the effects of LMA on porcine early stage embryo development, as well as the underlying mechanisms. The results showed that the developmental competence of porcine early stage embryos was dramatically improved after LMA supplementation during the in vitro culture period. The presence of 20 μg/mL LMA during the in vitro culture period significantly improved cleavage rate, blastocyst formation rates, hatching rate, and total cell number in the blastocyst compared to that in the control group. Notably, LMA attenuated the intracellular reactive oxygen species generation induced by H2O2. Furthermore, LMA not only increased intracellular glutathione levels, but also ameliorated mitochondrial membrane potential. In addition, the expression of a zygotic genome activation related gene (YAP1), pluripotency-related genes (OCT4, NANOG, and SOX2), and hatching-related genes (COX2, GATA4, and ITGA5) were up-regulated following LMA supplementation during porcine early stage embryo development. These results demonstrate that LMA has beneficial effects on the development of porcine early stage embryos via regulation of oxidative stress. This evidence provides a novel method for embryo development improvement associated with exposure to LMA.
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Affiliation(s)
- Hao Jiang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China; Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 361-763, Republic of Korea
| | - Shuang Liang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China
| | - Xue-Rui Yao
- Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 361-763, Republic of Korea; Department of Animal Science, College of Agriculture, Yanbian University, Yanji, Jilin, 133000, China
| | - Yong-Xun Jin
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China
| | - Xing-Hui Shen
- Department of Histology and Embryology, Harbin Medical University, Harbin, 150081, China
| | - Bao Yuan
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China
| | - Jia-Bao Zhang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China.
| | - Nam-Hyung Kim
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, Jilin, 130062, China; Department of Animal Science, Chungbuk National University, Cheongju, Chungbuk, 361-763, Republic of Korea.
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Sameni HR, Javadinia SS, Safari M, Tabrizi Amjad MH, Khanmohammadi N, Parsaie H, Zarbakhsh S. Effect of quercetin on the number of blastomeres, zona pellucida thickness, and hatching rate of mouse embryos exposed to actinomycin D: An experimental study. Int J Reprod Biomed 2018. [DOI: 10.29252/ijrm.16.2.101] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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Bittner L, Wyck S, Herrera C, Siuda M, Wrenzycki C, van Loon B, Bollwein H. Negative effects of oxidative stress in bovine spermatozoa on in vitro development and DNA integrity of embryos. Reprod Fertil Dev 2018; 30:1359-1368. [DOI: 10.1071/rd17533] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Accepted: 03/22/2018] [Indexed: 11/23/2022] Open
Abstract
Oxidative stress in spermatozoa has effects on subsequent embryo development. The aim of the present study was to elucidate whether sperm oxidative stress results in increased DNA damage in the embryo. To this end, bovine spermatozoa were incubated for 1 h at 37°C without or with 100 µM H2O2, resulting in non-oxidised (NOX-S) and oxidised (OX-S) spermatozoa respectively. Non-incubated spermatozoa served as the control group (CON-S). After IVF, developmental rates 30, 46 and 60 h and 7 days after IVF were assessed. DNA damage was analysed in embryos using the comet assay and a DNA damage marker (γH2AX immunostaining); the apoptotic index was determined in blastocysts. Exposure of spermatozoa to H2O2 induced a significant amount of sperm chromatin damage. The use of OX-S in IVF resulted in significantly reduced cleavage and blastocyst rates compared with the use of CON-S and NOX-S. Furthermore, in embryos resulting from the use of OX-S, a developmental delay was evident 30 and 46 h after IVF. γH2AX immunostaining was lower in blastocysts than in early embryos. In blastocysts, the comet and apoptotic indices were significantly higher in embryos resulting from the use of OX-S than CON-S and NOX-S. In conclusion, oxidative stress in spermatozoa induces developmental abnormalities and is a source of DNA damage in the resulting embryos.
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Guo J, Niu Y, Shin K, Kwon J, Kim N, Cui X. Fatty acid synthase knockout impairs early embryonic development via induction of endoplasmic reticulum stress in pigs. J Cell Physiol 2017; 233:4225-4234. [DOI: 10.1002/jcp.26241] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 09/27/2017] [Accepted: 10/18/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Jing Guo
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
- State Key Laboratory of Veterinary Biotechnology, Heilongjiang Provincial Key Laboratory of Laboratory Animal and Comparative MedicineHarbin Veterinary Research Institute of Chinese Academy of Agricultural SciencesHarbinChina
| | - Ying‐Jie Niu
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
| | - Kyung‐Tae Shin
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
| | - Jeong‐Woo Kwon
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
| | - Nam‐Hyung Kim
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
| | - Xiang‐Shun Cui
- Department of Animal SciencesChungbuk National UniversityCheongjuChungbukRepublic of Korea
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Berridge MJ. Vitamin D deficiency: infertility and neurodevelopmental diseases (attention deficit hyperactivity disorder, autism, and schizophrenia). Am J Physiol Cell Physiol 2017; 314:C135-C151. [PMID: 29070492 DOI: 10.1152/ajpcell.00188.2017] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The process of development depends on a number of signaling systems that regulates the progressive sequence of developmental events. Infertility and neurodevelopmental diseases, such as attention deficit hyperactivity disorder, autism spectrum disorders, and schizophrenia, are caused by specific alterations in these signaling processes. Calcium signaling plays a prominent role throughout development beginning at fertilization and continuing through early development, implantation, and organ differentiation such as heart and brain development. Vitamin D plays a major role in regulating these signaling processes that control development. There is an increase in infertility and an onset of neurodevelopmental diseases when vitamin D is deficient. The way in which vitamin D deficiency acts to alter development is a major feature of this review. One of the primary functions of vitamin D is to maintain the phenotypic stability of both the Ca2+ and redox signaling pathways that play such a key role throughout development.
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Affiliation(s)
- Michael J Berridge
- Laboratory of Molecular Signalling, The Babraham Institute , Cambridge , United Kingdom
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25
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Kang MH, Das J, Gurunathan S, Park HW, Song H, Park C, Kim JH. The cytotoxic effects of dimethyl sulfoxide in mouse preimplantation embryos: a mechanistic study. Am J Cancer Res 2017; 7:4735-4752. [PMID: 29187900 PMCID: PMC5706096 DOI: 10.7150/thno.21662] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 09/18/2017] [Indexed: 12/29/2022] Open
Abstract
Rationale: Dimethyl sulfoxide (DMSO) is commonly used as a solvent for water-insoluble substances, a vehicle for drug therapy, and a cryoprotectant for cultured cells. DMSO induced embryonic defects and its mechanism of action remains unclear. The rationale is based on the assumption that DMSO supplementation should induce long-term negative effects on both pre- and post-implantation embryo development. Methods: DMSO induced oxidative stress, ER stress, autophagy, mitophagy, signaling responsible genes and proteins were determined by RT-qPCR, Western blotting, immunofluorescence, and confocal microscopy. DMSO induced mitochondrial dysfunction was measured by transmission electron microcopy and JC-1 assay. Apoptosis was estimated using TUNEL and comet assay. Post-implantation embryo developmental capability was estimated by implantation site and fetus numbers. Results: Exposure to DMSO induced an early oxidative stress response within 0.5 to 2 h in 1-cell zygotes by disrupting the balance of pro- and anti-oxidants. Notably, DMSO-treated 2-cell embryos showed increased expression of unfolded protein response genes such as Hspa5, Hsp90b1, Ddit3, Atf4, and Xbp1. As a result, the development of many embryos is arrested at the 2-cell, 4-cell, or morula stages in a dose-dependent manner. Further, DMSO-induced endoplasmic reticulum stress increased mitochondrial Ca2+ levels, induced mitochondrial depolarization/dysfunction, and induced apoptotic cell death via the JNK/ATF2-dependent pathway. Consequently, treatment with DMSO increased the expression of autophagy initiation-, phagophore elongation-, and autophagosome formation-related genes, as well as localization of PINK1/Parkin, which are the main mediators of mitophagy, in mitochondria. Interestingly, DMSO causes cytotoxic effects in preimplantation embryos by inducing extensive mitophagy and autophagy. Especially, DMSO treatment decreased the inner cell mass and trophectoderm cell numbers as well as mRNA expression of B3gnt5 and Wnt3a in developed blastocysts, which decreased the implantation and developmental rates of full-term offspring after being transferred into pseudopregnant mice. Conclusion: These results provide a significant contribution to finding effective protective agents to combat DMSO mediated reproductive toxicity for application in human embryos in the near future.
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Fawzy M, Emad M, AbdelRahman MY, Abdelghafar H, Abdel Hafez FF, Bedaiwy MA. Impact of 3.5% O 2 culture on embryo development and clinical outcomes: a comparative study. Fertil Steril 2017; 108:635-641. [DOI: 10.1016/j.fertnstert.2017.07.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2017] [Revised: 07/12/2017] [Accepted: 07/13/2017] [Indexed: 10/19/2022]
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Bromfield JJ, Iacovides SM. Evaluating lipopolysaccharide-induced oxidative stress in bovine granulosa cells. J Assist Reprod Genet 2017; 34:1619-1626. [PMID: 28866821 DOI: 10.1007/s10815-017-1031-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 08/22/2017] [Indexed: 01/31/2023] Open
Abstract
PURPOSE The purpose of this study was to evaluate the capacity of bovine granulosa cells to generate reactive oxygen intermediates in response to lipopolysaccharide. We hypothesized that granulosa cells increase reactive oxygen intermediates in response to Gram-negative lipopolysaccharide in a similar manner to immune cells. METHODS Bovine peripheral blood mononuclear cells and granulosa cells were cultured in the presence of lipopolysaccharide. Oxidative stress was evaluated using the fluorescent marker dye CellROX, and oxidative stress-related genes were measured using real-time RT-PCR. RESULTS As expected, peripheral blood mononuclear cells increased oxidative stress in response to lipopolysaccharide as measured by accumulation of the fluorescent marker dye CellROX. While granulosa cells demonstrate the capacity to increase accumulation of CellROX dye in response to a positive control menadione, lipopolysaccharide had no effect on accumulation of CellROX dye. The expression of GSR, SOD1, and SOD2 were variable in peripheral blood mononuclear cells treated with lipopolysaccharide but were consistently upregulated when co-incubated with the antioxidant, N-acetyl cysteine. The expression of oxidative stress-related genes was not altered in granulosa cells, with the exception of elevated SOD1 following lipopolysaccharide exposure in the absence of antioxidant. CONCLUSIONS Combined, these data suggest that while reactive stress is important in pathogen killing and inflammation in immune cells, granulosa cells do not increase oxidative stress in response to lipopolysaccharide.
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Affiliation(s)
- John J Bromfield
- Department of Animal Sciences, University of Florida, PO Box 110910, Gainesville, FL, 32611-0910, USA.
| | - Sossi M Iacovides
- Department of Animal Sciences, University of Florida, PO Box 110910, Gainesville, FL, 32611-0910, USA
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Gustina S, Hasbi H, Karja NWK, Setiadi MA, Supriatna I. Ultrastructure changes in buffalo (Bubalus bubalis) oocytes before and after maturation in vitro with sericin. Anim Sci J 2017; 88:1911-1915. [PMID: 28722264 DOI: 10.1111/asj.12839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 04/05/2017] [Indexed: 11/29/2022]
Abstract
The aim of this research was to identify the changes in the cytoplasmic ultrastructure of immature and matured oocytes in buffalo (Bubalus bubalis). Oocytes were matured in vitro in tissue culture medium-199 with and without sericin, and then analyzed by light and transmission electron microscopy. The experiment result showed that the nuclear maturation rate of buffalo oocytes was significantly higher in the presence of sericin (80.6%) than without sericin (68.1%) (P < 0.05). The immature oocytes were characterized by cortical granule clusters in the ooplasm and the absence of perivitelline space (PVS). In contrast, the oocytes matured either with or without sericin showed the formation of PVS, erected microvilli, the migration of cortical granules to the cytoplasmic periphery, and the clear appearance of the mitochondria and vesicle in the oolemma. Interestingly, matured oocytes with sericin have smaller cortical granules than do immature oocytes (P < 0.05). In conclusion, supplementation of 0.05% sericin in the maturation medium can enhance the maturation rate of buffalo oocytes. Several cytoplasmic ultrastructures were relocated and modulated during the in vitro maturation process of buffalo oocytes: PVS development, cortical granules migration to periphery, and mitochondria and vesicles in the cortical region. The ultrastructure was similar between the groups with and without sericin.
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Affiliation(s)
- Sri Gustina
- Division of Reproduction and Obstetrics, Department of Veterinary Clinic, Reproduction and Pathology, Bogor Agricultural University, Bogor, Jawa Barat, Indonesia.,Division of Animal Science, Faculty of Animal Science and Fisheries, Sulawesi Barat University, Majene, Sulawesi Barat, Indonesia
| | - Hasbi Hasbi
- Division of Reproduction and Obstetrics, Department of Veterinary Clinic, Reproduction and Pathology, Bogor Agricultural University, Bogor, Jawa Barat, Indonesia.,Department of Animal Production, Faculty of Animal Science, Hasanuddin University, Makassar, Sulawesi Selatan, Indonesia
| | - Ni Wayan Kurniani Karja
- Division of Reproduction and Obstetrics, Department of Veterinary Clinic, Reproduction and Pathology, Bogor Agricultural University, Bogor, Jawa Barat, Indonesia
| | - Mohamad Agus Setiadi
- Division of Reproduction and Obstetrics, Department of Veterinary Clinic, Reproduction and Pathology, Bogor Agricultural University, Bogor, Jawa Barat, Indonesia
| | - Iman Supriatna
- Division of Reproduction and Obstetrics, Department of Veterinary Clinic, Reproduction and Pathology, Bogor Agricultural University, Bogor, Jawa Barat, Indonesia
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Ali I, Shah SZA, Jin Y, Li ZS, Ullah O, Fang NZ. Reactive oxygen species-mediated unfolded protein response pathways in preimplantation embryos. J Vet Sci 2017; 18:1-9. [PMID: 28057903 PMCID: PMC5366292 DOI: 10.4142/jvs.2017.18.1.1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Revised: 09/28/2016] [Accepted: 11/23/2016] [Indexed: 12/19/2022] Open
Abstract
Excessive production of reactive oxygen species (ROS) and endoplasmic reticulum (ER) stress-mediated responses are critical to embryonic development in the challenging in vitro environment. ROS production increases during early embryonic development with the increase in protein requirements for cell survival and growth. The ER is a multifunctional cellular organelle responsible for protein folding, modification, and cellular homeostasis. ER stress is activated by a variety of factors including ROS. Such stress leads to activation of the adaptive unfolded protein response (UPR), which restores homeostasis. However, chronic stress can exceed the toleration level of the ER, resulting in cellular apoptosis. In this review, we briefly describe the generation and impact of ROS in preimplantation embryo development, the ROS-mediated activation mechanism of the UPR via the ER, and the subsequent activation of signaling pathways following ER stress in preimplantation embryos.
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Affiliation(s)
- Ihsan Ali
- Laboratory of Animal Genetic Breeding and Reproduction, Agriculture College of Yanbian University, Yanji 133002, China
| | - Syed Zahid Ali Shah
- National Animal Transmissible Spongiform Encephalopathy Laboratory, Key Laboratory of Animal Epidemiology and Zoonosis of Ministry of Agriculture, College of Veterinary Medicine and State Key Laboratory of Agro Biotechnology, China Agricultural University, Beijing 100193, China
| | - Yi Jin
- Laboratory of Animal Genetic Breeding and Reproduction, Agriculture College of Yanbian University, Yanji 133002, China
| | - Zhong-Shu Li
- Laboratory of Animal Genetic Breeding and Reproduction, Agriculture College of Yanbian University, Yanji 133002, China
| | - Obaid Ullah
- Laboratory of Animal Genetic Breeding and Reproduction, Agriculture College of Yanbian University, Yanji 133002, China
| | - Nan-Zhu Fang
- Laboratory of Animal Genetic Breeding and Reproduction, Agriculture College of Yanbian University, Yanji 133002, China
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Protective Effect of Icariin on the Development of Preimplantation Mouse Embryos against Hydrogen Peroxide-Induced Oxidative Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:2704532. [PMID: 28680528 PMCID: PMC5478867 DOI: 10.1155/2017/2704532] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 04/30/2017] [Accepted: 05/11/2017] [Indexed: 12/04/2022]
Abstract
During in vitro cultivation of preimplantation embryos, the balance between ROS production and clearance is disturbed and may lead to incompetent embryos, which might be a main reason of IVF-ET failure. Icariin (ICA) is reported to be active in clearing ROS. The present study aimed to investigate whether ICA could reverse H2O2 pretreatment-induced mouse preimplantation embryo development arrest and, furthermore, to study the underlying mechanisms by detecting ROS levels, mitochondrial membrane potential (ΔΨm), and zygotic gene expression. The results showed that, after pretreating mouse 1-cell embryos with 40 μM or 60 μM H2O2 for 30 min, the developmental rate of each stage embryos decreased obviously. And by adding 40 μM ICA, the developmental arrest of 60 μM H2O2 pretreated preimplantation embryos was significantly reversed. Immunostaining results showed that, comparing with the control group, ROS levels of H2O2 pretreated 1-cell embryos were elevated and ΔΨm levels decreased. By adding ICA, the ROS levels of H2O2 pretreated 1-cell embryos were decreased and ΔΨm levels were elevated. Furthermore, RT-qPCR results showed that the addition of ICA reversed the H2O2-induced downregulation of eIF-1A mRNA expression levels. These results indicate that ICA, when used in appropriate concentration, could decrease ROS levels, increase ΔΨm levels, and modulate the expression of zygotic gene activation (ZGA) marker gene eIF-1A, and thus promote the development of H2O2-pretreated mouse preimplantation embryos.
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Mun SE, Sim BW, Yoon SB, Jeong PS, Yang HJ, Choi SA, Park YH, Kim YH, Kang P, Jeong KJ, Lee Y, Jin YB, Song BS, Kim JS, Huh JW, Lee SR, Choo YK, Kim SU, Chang KT. Dual effect of fetal bovine serum on early development depends on stage-specific reactive oxygen species demands in pigs. PLoS One 2017; 12:e0175427. [PMID: 28406938 PMCID: PMC5391019 DOI: 10.1371/journal.pone.0175427] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 03/24/2017] [Indexed: 12/20/2022] Open
Abstract
Despite the application of numerous supplements to improve in vitro culture (IVC) conditions of mammalian cells, studies regarding the effect of fetal bovine serum (FBS) on mammalian early embryogenesis, particularly in relation to redox homeostasis, are lacking. Herein, we demonstrated that early development of in vitro-produced (IVP) porcine embryos highly depends on the combination of FBS supplementation timing and embryonic reactive oxygen species (ROS) requirements. Interestingly, FBS significantly reduced intracellular ROS levels in parthenogenetically activated (PA) embryos regardless of the developmental stage. However, the beneficial effect of FBS on early embryogenesis was found only during the late phase (IVC 4-6 days) treatment group. In particular, developmental competence parameters, such as blastocyst formation rate, cellular survival, total cell number and trophectoderm proportion, were markedly increased by FBS supplementation during the late IVC phase. In addition, treatment with FBS elevated antioxidant transcript levels during the late IVC phase. In contrast, supplementation with FBS during the entire period (1-6 days) or during the early IVC phase (1-2 days) greatly impaired the developmental parameters. Consistent with the results from PA embryos, the developmental competence of in vitro fertilization (IVF) or somatic cell nuclear transfer (SCNT) embryos were markedly improved by treatment with FBS during the late IVC phase. Moreover, the embryonic stage-specific effects of FBS were reversed by the addition of an oxidant and were mimicked by treatment with an antioxidant. These findings may increase our understanding of redox-dependent early embryogenesis and contribute to the large-scale production of high-quality IVP embryos.
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Affiliation(s)
- Seong-Eun Mun
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Biological Science, College of Natural Sciences, Wonkwang University, Jeollabuk-do, Republic of Korea
| | - Bo-Woong Sim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Seung-Bin Yoon
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Pil-Soo Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Hae-Jun Yang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Biological Science, College of Natural Sciences, Wonkwang University, Jeollabuk-do, Republic of Korea
| | - Seon-A Choi
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Young-Ho Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Philyong Kang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Kang-Jin Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Youngjeon Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Yeung Bae Jin
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Bong-Seok Song
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Ji-Su Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Jae-Won Huh
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Sang-Rae Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Young-Kuk Choo
- Department of Biological Science, College of Natural Sciences, Wonkwang University, Jeollabuk-do, Republic of Korea
| | - Sun-Uk Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
- * E-mail: (SUK); (KTC)
| | - Kyu-Tae Chang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Futuristic Animal Resource & Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
- Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
- * E-mail: (SUK); (KTC)
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Ambrogi M, Dall'Acqua PC, Rocha-Frigoni N, Leão B, Mingoti GZ. Transporting bovine oocytes in a medium supplemented with different macromolecules and antioxidants: Effects on nuclear and cytoplasmic maturation and embryonic development in vitro. Reprod Domest Anim 2017; 52:409-421. [PMID: 28120355 DOI: 10.1111/rda.12923] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Accepted: 12/04/2016] [Indexed: 11/29/2022]
Abstract
We investigated whether supplementing the medium used to transport bovine oocytes with different macromolecules [foetal calf serum (FCS) or bovine serum albumin (BSA)] or a mixture of antioxidants (cysteine, cysteamine and catalase) affects their nuclear and cytoplasmic maturation and thereby affects their subsequent embryonic development and cryotolerance. Oocytes were transported for 6 hr in a portable incubator and then subjected to standard in vitro maturation (IVM) for 18 hr. The oocytes in the control groups were cultured (standard IVM) for 24 hr in medium containing 10% FCS (Control FCS) or 10% FCS and the antioxidant mixture (Control FCS+Antiox). The intracellular concentrations of reactive oxygen species (ROS) at the end of IVM period were lower in the oocytes subjected to simulated transport in the presence of a macromolecular supplement or the antioxidant mixture than that of the control group (FCS: 0.62 and BSA: 0.66 vs. Control FCS: 1.00, p < .05; and Transp: 0.58 and Transp Antiox: 0.70 vs. Control FCS: 1.00, p < .05). After IVM, the mitochondrial membrane potentials of the transported oocytes were lower than those of the non-transported oocytes (FCS: 0.41 and BSA: 0.57 vs. Control FCS: 1.00, p < .05; and Transp: 0.48 and Transp Antiox: 0.51 vs. Control FCS: 1.00 and Control Antiox: 0.84, p < .05). The blastocyst formation rates (36.9% average) and the re-expansion rates of vitrified-warmed blastocysts (53%, average) were unaffected (p > .05) by the treatments. In conclusion, supplementing the medium in which bovine oocytes are transported with antioxidants or different macromolecules did not affect their in vitro production of embryos or their cryotolerance.
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Affiliation(s)
- M Ambrogi
- Laboratory of Physiology of Reproduction, School of Veterinary Medicine, Universidade Estadual Paulista (UNESP), Araçatuba, SP, Brazil.,Post-Graduation Program in Veterinary Medicine, School of Agrarian and Veterinarian Sciences, Department of Animal Reproduction, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil
| | - P C Dall'Acqua
- Laboratory of Physiology of Reproduction, School of Veterinary Medicine, Universidade Estadual Paulista (UNESP), Araçatuba, SP, Brazil.,Post-Graduation Program in Veterinary Medicine, School of Agrarian and Veterinarian Sciences, Department of Animal Reproduction, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil
| | - Nas Rocha-Frigoni
- Laboratory of Physiology of Reproduction, School of Veterinary Medicine, Universidade Estadual Paulista (UNESP), Araçatuba, SP, Brazil.,Post-Graduation Program in Veterinary Medicine, School of Agrarian and Veterinarian Sciences, Department of Animal Reproduction, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil
| | - Bcs Leão
- Laboratory of Physiology of Reproduction, School of Veterinary Medicine, Universidade Estadual Paulista (UNESP), Araçatuba, SP, Brazil.,Post-Graduation Program in Veterinary Medicine, School of Agrarian and Veterinarian Sciences, Department of Animal Reproduction, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil
| | - G Z Mingoti
- Laboratory of Physiology of Reproduction, School of Veterinary Medicine, Universidade Estadual Paulista (UNESP), Araçatuba, SP, Brazil.,Post-Graduation Program in Veterinary Medicine, School of Agrarian and Veterinarian Sciences, Department of Animal Reproduction, Universidade Estadual Paulista (UNESP), Jaboticabal, SP, Brazil
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Wu Q, Li Z, Huang Y, Qian D, Chen M, Xiao W, Wang B. Oxidative Stress Delays Prometaphase/Metaphase of the First Cleavage in Mouse Zygotes via the MAD2L1-Mediated Spindle Assembly Checkpoint. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:2103190. [PMID: 29147457 PMCID: PMC5632912 DOI: 10.1155/2017/2103190] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Revised: 07/30/2017] [Accepted: 08/14/2017] [Indexed: 02/05/2023]
Abstract
In zygotes, DNA damage delays the first cleavage to enable repair. Our previous study found that 0.03 mM hydrogen peroxide (H2O2) was the minimum concentration required for induction of oxidative DNA damage in mouse zygotes and that this represented the most similar situation to the clinical phenomenon. In this study, we quantified the cleavage rates of cells in blastocysts at different developmental stages, followed by immunofluorescence to detect activation of γ-H2A histone family member X (a marker of DNA damage) in zygotes to confirm that oxidative DNA damage was induced in H2O2-treated zygotes. Monitoring H3S10P (phosphorylation of Ser10 on histone H3; a prometaphase/metaphase marker) levels at different hour postinsemination revealed that treatment of zygotes with 0.03 mM H2O2 resulted in a prometaphase/metaphase delay. Furthermore, immunofluorescence staining for mitotic arrest deficient 2-like 1 and the protein kinase TTK, components of the spindle assembly checkpoint (SAC), suggested that this delay possibly involved SAC activation. These studies of the relationships between oxidative stress and SAC can promote the success rate of in vitro fertilization.
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Affiliation(s)
- Que Wu
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Zhiling Li
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Yue Huang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Diting Qian
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Man Chen
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Wanfen Xiao
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Bin Wang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
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Causes of declining fertility in dairy cows during the warm season. Theriogenology 2016; 91:145-153. [PMID: 28215679 DOI: 10.1016/j.theriogenology.2016.12.024] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 12/14/2016] [Accepted: 12/14/2016] [Indexed: 01/10/2023]
Abstract
In the Northern Hemisphere, from June to September and in the Southern Hemisphere from December to March, there are periods of reduced fertility (sub-fertility) in dairy cows that are described as summer infertility. Several factors contribute to sub-fertility during this time, such as ambient temperature, humidity and photoperiod. During the warm season there is a reduction in feed intake that may compromise the energy balance of the cow and/or induce an imbalance in the activity of the hypothalamo-hypophyseal-ovarian axis. These factors reduce the reproductive performance of the cow and compromise the quality of oocytes, embryos and corpora lutea. This paper reviews current knowledge on the metabolic and endocrine mechanisms that induce summer infertility and describe their effects on follicle, oocyte and embryo development in dairy cows.
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Improving the cytoplasmic maturation of bovine oocytes matured in vitro with intracellular and/or extracellular antioxidants is not associated with increased rates of embryo development. Theriogenology 2016; 86:1897-905. [DOI: 10.1016/j.theriogenology.2016.06.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 06/02/2016] [Accepted: 06/05/2016] [Indexed: 11/19/2022]
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Khanmohammadi N, Movahedin M, Safari M, Sameni HR, Yousefi B, Jafari B, Zarbakhsh S. Effect of L-carnitine on in vitro developmental rate, the zona pellucida and hatching of blastocysts and their cell numbers in mouse embryos. Int J Reprod Biomed 2016. [DOI: 10.29252/ijrm.14.10.649] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
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Koustas G, Sjoblom C. Minute changes to the culture environment of mouse pre-implantation embryos affect the health of the conceptus. ASIAN PACIFIC JOURNAL OF REPRODUCTION 2016. [DOI: 10.1016/j.apjr.2016.06.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Zhang Y, Qian D, Li Z, Huang Y, Wu Q, Ru G, Chen M, Wang B. Oxidative stress-induced DNA damage of mouse zygotes triggers G2/M checkpoint and phosphorylates Cdc25 and Cdc2. Cell Stress Chaperones 2016; 21:687-96. [PMID: 27117522 PMCID: PMC4907999 DOI: 10.1007/s12192-016-0693-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 04/06/2016] [Accepted: 04/16/2016] [Indexed: 02/05/2023] Open
Abstract
In vitro fertilized (IVF) embryos show both cell cycle and developmental arrest. We previously showed oxidative damage activates the ATM → Chk1 → Cdc25B/Cdc25C cascade to mediate G2/M cell cycle arrest for repair of hydrogen peroxide (H2O2)-induced oxidative damage in sperm. However, the mechanisms underlying the developmental delay of zygotes are unknown. To develop a model of oxidative-damaged zygotes, we treated mouse zygotes with different concentrations of H2O2 (0, 0.01, 0.02, 0.03, 0.04, 0.05 mM), and evaluated in vitro zygote development, BrdU incorporation to detect the duration of S phase. We also examined reactive oxygen species level and used immunofluorescence to detect activation of γH2AX, Cdc2, and Cdc25. Oxidatively damaged zygotes showed a delay in G2/M phase and produced a higher level of ROS. At the same time, γH2AX was detected in oxidatively damaged zygotes as well as phospho-Cdc25B (Ser323), phospho-Cdc25C (Ser216), and phospho-Cdc2 (Tyr15). Our study indicates that oxidative stress-induced DNA damage of mouse zygotes triggers the cell cycle checkpoint, which results in G2/M cell cycle arrest, and that phospho-Cdc25B (Ser323), phospho-Cdc25C (Ser216), and phospho-Cdc2 (Tyr15) participate in activating the G2/M checkpoint.
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Affiliation(s)
- Yuting Zhang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Diting Qian
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Zhiling Li
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China.
| | - Yue Huang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Que Wu
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Gaizhen Ru
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Man Chen
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
| | - Bin Wang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, People's Republic of China
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Pogorelov AG, Smirnov AA, Pogorelova VN. Hypoxia during mammalian preimplantation development: Extreme circumstance vs. typical environment. Russ J Dev Biol 2016. [DOI: 10.1134/s1062360416020077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Mishra A, Reddy IJ, Gupta PSP, Mondal S. l-carnitine Mediated Reduction in Oxidative Stress and Alteration in Transcript Level of Antioxidant Enzymes in Sheep Embryos ProducedIn Vitro. Reprod Domest Anim 2016; 51:311-21. [DOI: 10.1111/rda.12682] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2015] [Accepted: 02/04/2016] [Indexed: 01/25/2023]
Affiliation(s)
- A Mishra
- Animal Physiology Division; ICAR-National Institute of Animal Nutrition and Physiology; Bangalore India
| | - IJ Reddy
- Animal Physiology Division; ICAR-National Institute of Animal Nutrition and Physiology; Bangalore India
| | - PSP Gupta
- Animal Physiology Division; ICAR-National Institute of Animal Nutrition and Physiology; Bangalore India
| | - S Mondal
- Animal Physiology Division; ICAR-National Institute of Animal Nutrition and Physiology; Bangalore India
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41
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Qian D, Li Z, Zhang Y, Huang Y, Wu Q, Ru G, Chen M, Wang B. Response of Mouse Zygotes Treated with Mild Hydrogen Peroxide as a Model to Reveal Novel Mechanisms of Oxidative Stress-Induced Injury in Early Embryos. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:1521428. [PMID: 27738489 PMCID: PMC5055977 DOI: 10.1155/2016/1521428] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 08/18/2016] [Accepted: 08/31/2016] [Indexed: 02/05/2023]
Abstract
Our study aimed to develop embryo models to evaluate the impact of oxidative stress on embryo development. Mouse zygotes, which stayed at G1 phase, were treated with prepared culture medium (containing 0.00, 0.01, 0.02, 0.03, 0.04, 0.05, or 0.1 mM hydrogen peroxide (H2O2)) for 30 min in experiment 1. The dose-effects of H2O2 on embryo development were investigated via comparisons of the formation rate at each stage (2- and 4-cell embryos and blastocysts). Experiment 2 was carried out to compare behaviors of embryos in a mild oxidative-stressed status (0.03 mM H2O2) with those in a control (0 mM H2O2). Reactive oxygen species (ROS) levels, variation of mitochondrial membrane potential (MMP), expression of γH2AX, and cell apoptosis rate of blastocyst were detected. We observed a dose-dependent decrease on cleavage and blastocyst rates. Besides, higher level of ROS, rapid reduction of MMP, and the appearance of γH2AX revealed that embryos are injured early in mild oxidative stress. Additionally, γH2AX may involve during DNA damage response in early embryos. And the apoptotic rate of blastocyst may significantly increase when DNA damage repair is inadequate. Most importantly, our research provides embryo models to study cell cycle regulation and DNA damage response under condition of different levels of oxidative stress.
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Affiliation(s)
- Diting Qian
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Zhiling Li
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
- *Zhiling Li:
| | - Yuting Zhang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Yue Huang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Que Wu
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Gaizhen Ru
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Man Chen
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
| | - Bin Wang
- Reproductive Center, The First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou, Guangdong, China
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Reduction in cytoplasmic lipid content in bovine embryos cultured in vitro with linoleic acid in semi-defined medium is correlated with increases in cryotolerance. ZYGOTE 2015; 24:485-94. [PMID: 26350684 DOI: 10.1017/s0967199415000428] [Citation(s) in RCA: 9] [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
UNLABELLED We examined whether culturing embryos with linoleic acid (LA) in semi-defined medium reduces lipid accumulation and improves cryosurvival after vitrification. Embryos were cultured with LA (100 μM) and a semi-defined medium was used during in vitro culture (IVC), in which the fetal calf serum was substituted by bovine serum albumin (BSA). There was a reduction (P < 0.05) in the embryonic development rate ( CONTROL 25.8% versus LA: 18.5%), but the proposed system was effective in promoting the decrease (P = 0.0130) in the intracellular lipid content ( CONTROL 27.3 ± 0.7 versus LA: 24.6 ± 0.7 arbitrary fluorescence units of embryos stained with the fluorescent dye Nile Red), consequently increasing (P = 0.0490) the embryo survival after 24h of culture post-warming ( CONTROL 50.0% versus LA: 71.7%). The results question the criteria used to evaluate the efficiency of an in vitro production system specifically with relation to the maximum number of blastocysts produced and suggest that might be more appropriate to improve the desired characteristics of embryos generated in accordance with the specific purpose of in vitro embryo production, commercial or scientific. In conclusion, supplying LA to serum-free culture medium was found to adversely affect the rates of embryo development to the blastocyst stage, but significantly reduced embryo lipid accumulation and improved cryopreservation survival.
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Rocha-Frigoni NAS, Leão BCS, Nogueira É, Accorsi MF, Mingoti GZ. Reduced levels of intracellular reactive oxygen species and apoptotic status are not correlated with increases in cryotolerance of bovine embryos produced in vitro in the presence of antioxidants. Reprod Fertil Dev 2015; 26:797-805. [PMID: 25319378 DOI: 10.1071/rd12354] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 05/14/2013] [Indexed: 11/23/2022] Open
Abstract
The effects of intracellular (cysteine and β-mercaptoethanol) and extracellular (catalase) antioxidant supplementation at different times during in vitro production (IVM and/or in vitro culture (IVC)) on bovine embryo development, intracellular reactive oxygen species (ROS) levels, apoptosis and re-expansion rates after a vitrification-thawing process were examined. Blastocyst frequencies were not affected by either antioxidant supplementation (40.5%-56.4%) or the timing of supplementation (41.7%-55.4%) compared with control (48.7%; P>0.05). Similarly, antioxidants and the moment of supplementation did not affect (P>0.05) the total number of blastomeres (86.2-90.5 and 84.4-90.5, respectively) compared with control (85.7). However, the percentage of apoptotic cells was reduced (P<0.05) in groups supplemented during IVM (1.7%), IVC (2.0%) or both (1.8%) compared with control (4.3%). Intracellular ROS levels measured in Day 7 blastocysts were reduced (P<0.05) in all groups (0.60-0.78), with the exception of the group supplemented with β-mercaptoethanol during IVC (0.88), which did not differ (P>0.05) from that in the control group (1.00). Re-expansion rates were not affected (P>0.05) by the treatments (50.0%-93.0%). In conclusion, antioxidant supplementation during IVM and/or IVC reduces intracellular ROS and the rate of apoptosis; however, supplementation does not increase embryonic development and survival after vitrification.
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Affiliation(s)
- Nathália A S Rocha-Frigoni
- Department of Animal Health School of Veterinary Medicine, UNESP-Universidade Estadual Paulista, Araçatuba, SP 16050-680, Brazil
| | - Beatriz C S Leão
- Department of Animal Health School of Veterinary Medicine, UNESP-Universidade Estadual Paulista, Araçatuba, SP 16050-680, Brazil
| | - Ériklis Nogueira
- Brazilian Agricultural Research Corporation, EMBRAPA Pantanal, Corumbá, MS 79320-900, Brazil
| | - Mônica F Accorsi
- Department of Animal Health School of Veterinary Medicine, UNESP-Universidade Estadual Paulista, Araçatuba, SP 16050-680, Brazil
| | - Gisele Z Mingoti
- Department of Animal Health School of Veterinary Medicine, UNESP-Universidade Estadual Paulista, Araçatuba, SP 16050-680, Brazil
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Morén C, Hernández S, Guitart-Mampel M, Garrabou G. Mitochondrial toxicity in human pregnancy: an update on clinical and experimental approaches in the last 10 years. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2014; 11:9897-918. [PMID: 25247430 PMCID: PMC4199057 DOI: 10.3390/ijerph110909897] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 09/05/2014] [Accepted: 09/17/2014] [Indexed: 01/19/2023]
Abstract
Mitochondrial toxicity can be one of the most dreadful consequences of exposure to a wide range of external agents including pathogens, therapeutic agents, abuse drugs, toxic gases and other harmful chemical substances. However, little is known about the effects of mitochondrial toxicity on pregnant women exposed to these agents that may exert transplacental activity and condition fetal remodeling. It has been hypothesized that mitochondrial toxicity may be involved in some adverse obstetric outcomes. In the present study, we investigated the association between exposure to mitochondrial toxic agents and pathologic conditions ranging from fertility defects, detrimental fetal development and impaired newborn health due to intra-uterine exposure. We have reviewed data from studies in human subjects to propose mechanisms of mitochondrial toxicity that could be associated with the symptoms present in both exposed pregnant and fetal patients. Since some therapeutic interventions or accidental exposure cannot be avoided, further research is needed to gain insight into the molecular pathways leading to mitochondrial toxicity during pregnancy. The ultimate objective of these studies should be to reduce the mitochondrial toxicity of these agents and establish biomarkers for gestational monitoring of harmful effects.
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Affiliation(s)
- Constanza Morén
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS-Faculty of Medicine-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona 08036, Spain.
| | - Sandra Hernández
- Centro de Investigación Biomédica en Red (CIBER) de Enfermedades Raras, CIBERER, Valencia 46010, Spain.
| | - Mariona Guitart-Mampel
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS-Faculty of Medicine-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona 08036, Spain.
| | - Glòria Garrabou
- Muscle Research and Mitochondrial Function Laboratory, Cellex-IDIBAPS-Faculty of Medicine-University of Barcelona, Internal Medicine Service-Hospital Clínic of Barcelona, Barcelona 08036, Spain.
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Han J, Won EJ, Hwang DS, Shin KH, Lee YS, Leung KMY, Lee SJ, Lee JS. Crude oil exposure results in oxidative stress-mediated dysfunctional development and reproduction in the copepod Tigriopus japonicus and modulates expression of cytochrome P450 (CYP) genes. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 152:308-17. [PMID: 24813263 DOI: 10.1016/j.aquatox.2014.04.027] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Revised: 04/22/2014] [Accepted: 04/22/2014] [Indexed: 05/20/2023]
Abstract
In this study, we investigated the effects of the water-accommodated fraction (WAF) of crude oil on the development and reproduction of the intertidal copepod Tigriopus japonicus through life-cycle experiments. Furthermore, we investigated the mechanisms underlying the toxic effects of WAF on this benthic organism by studying expression patterns of cytochrome P450 (CYP) genes. Development of T. japonicus was delayed and molting was interrupted in response to WAF exposure. Hatching rate was also significantly reduced in response to WAF exposure. Activities of antioxidant enzymes such as glutathione S-transferase (GST), glutathione reductase (GR), and catalase (CAT) were increased by WAF exposure in a concentration-dependent manner. These results indicated that WAF exposure resulted in oxidative stress, which in turn was associated with dysfunctional development and reproduction. To evaluate the involvement of cytochrome P450 (CYP) genes, we cloned the entire repertoire of CYP genes in T. japonicus (n=52) and found that the CYP genes belonged to five different clans (i.e., Clans 2, 3, 4, mitochondrial, and 20). We then examined expression patterns of these 52 CYP genes in response to WAF exposure. Three TJ-CYP genes (CYP3024A2, CYP3024A3, and CYP3027C2) belonging to CYP clan 3 were significantly induced by WAF exposure in a time- and concentration-dependent manner. We identified aryl hydrocarbon responsive elements (AhRE), xenobiotic responsive elements (XREs), and metal response elements (MRE) in the promoter regions of these three CYP genes, suggesting that these genes are involved in detoxification of toxicants. Overall, our results indicate that WAF can trigger oxidative stress and thus induce dysfunctional development and reproduction in the copepod T. japonicus. Furthermore, we identified three TJ-CYP genes that represent potential biomarkers of oil pollution.
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Affiliation(s)
- Jeonghoon Han
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 440-746, South Korea
| | - Eun-Ji Won
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 440-746, South Korea
| | - Dae-Sik Hwang
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 440-746, South Korea
| | - Kyung-Hoon Shin
- Department of Environmental Marine Sciences, College of Science and Technology, Hanyang University, Ansan 426-791, South Korea
| | - Yong Sung Lee
- Graduate School of Biomedical Science and Engineering, Hanyang University, Seoul 133-791, South Korea
| | - Kenneth Mei-Yee Leung
- School of Biological Sciences and The Swire Institute of Marine Science, The University of Hong Kong, Pokfulam, Hong Kong, China
| | - Su-Jae Lee
- Department of Life Science, College of Natural Sciences, Hanyang University, Seoul 133-791, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 440-746, South Korea.
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Effects of Quercetin and Genistein on Boar Sperm Characteristics and Porcine IVF Embyo Developments. JOURNAL OF ANIMAL REPRODUCTION AND BIOTECHNOLOGY 2014. [DOI: 10.12750/jet.2014.29.2.141] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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47
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Yoon SB, Choi SA, Sim BW, Kim JS, Mun SE, Jeong PS, Yang HJ, Lee Y, Park YH, Song BS, Kim YH, Jeong KJ, Huh JW, Lee SR, Kim SU, Chang KT. Developmental competence of bovine early embryos depends on the coupled response between oxidative and endoplasmic reticulum stress. Biol Reprod 2014; 90:104. [PMID: 24695629 DOI: 10.1095/biolreprod.113.113480] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
The stress produced by the coupling of reactive oxygen species (ROS) and endoplasmic reticulum (ER) has been explored extensively, but little is known regarding their roles in the early development of mammalian embryos. Here, we demonstrated that the early development of in vitro-produced (IVP) bovine embryos was governed by the cooperative action between ROS and ER stress. Compared with the tension produced by 5% O2, 20% O2 significantly decreased the blastocyst formation rate and cell survival, which was accompanied by increases in ROS and in levels of sXBP-1 transcript, which is an ER stress indicator. In addition, treatment with glutathione (GSH), a ROS scavenger, decreased ROS levels, which resulted in increased blastocyst formation and cell survival rates. Importantly, levels of sXBP-1 and ER stress-associated transcripts were reduced by GSH treatment in developing bovine embryos. Consistent with this observation, tauroursodeoxycholate (TUDCA), an ER stress inhibitor, improved blastocyst developmental rate, trophectoderm proportion, and cell survival. Moreover, ROS and sXBP-1 transcript levels were markedly decreased by supplementation with TUDCA, suggesting a possible mechanism governing the mutual regulation between ROS and ER stress. Interestingly, knockdown of XBP-1 transcripts resulted in both elevation of ROS and decrease of antioxidant transcripts, which ultimately reduced in vitro developmental competence of bovine embryos. Based on these results, in vitro developmental competence of IVP bovine embryos was highly dependent on the coupled response between oxidative and ER stresses. These results increase our understanding of the mechanism(s) governing early embryonic development and may improve strategies for the generation of IVP embryos with high developmental competence.
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Affiliation(s)
- Seung-Bin Yoon
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Seon-A Choi
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Bo-Woong Sim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Ji-Su Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Seong-Eun Mun
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Pil-Soo Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Hae-Jun Yang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Youngjeon Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Young-Ho Park
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Bong-Seok Song
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Young-Hyun Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Kang-Jin Jeong
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea
| | - Jae-Won Huh
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Sang-Rae Lee
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Sun-Uk Kim
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
| | - Kyu-Tae Chang
- National Primate Research Center, Korea Research Institute of Bioscience and Biotechnology, Chungcheongbuk-do, Republic of Korea Department of Functional Genomics, University of Science and Technology, Daejeon, Republic of Korea
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48
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Betts DH, Bain NT, Madan P. The p66(Shc) adaptor protein controls oxidative stress response in early bovine embryos. PLoS One 2014; 9:e86978. [PMID: 24475205 PMCID: PMC3901717 DOI: 10.1371/journal.pone.0086978] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2013] [Accepted: 12/17/2013] [Indexed: 11/18/2022] Open
Abstract
The in vitro production of mammalian embryos suffers from high frequencies of developmental failure due to excessive levels of permanent embryo arrest and apoptosis caused by oxidative stress. The p66Shc stress adaptor protein controls oxidative stress response of somatic cells by regulating intracellular ROS levels through multiple pathways, including mitochondrial ROS generation and the repression of antioxidant gene expression. We have previously demonstrated a strong relationship with elevated p66Shc levels, reduced antioxidant levels and greater intracellular ROS generation with the high incidence of permanent cell cycle arrest of 2-4 cell embryos cultured under high oxygen tensions or after oxidant treatment. The main objective of this study was to establish a functional role for p66Shc in regulating the oxidative stress response during early embryo development. Using RNA interference in bovine zygotes we show that p66Shc knockdown embryos exhibited increased MnSOD levels, reduced intracellular ROS and DNA damage that resulted in a greater propensity for development to the blastocyst stage. P66Shc knockdown embryos were stress resistant exhibiting significantly reduced intracellular ROS levels, DNA damage, permanent 2-4 cell embryo arrest and diminished apoptosis frequencies after oxidant treatment. The results of this study demonstrate that p66Shc controls the oxidative stress response in early mammalian embryos. Small molecule inhibition of p66Shc may be a viable clinical therapy to increase the developmental potential of in vitro produced mammalian embryos.
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Affiliation(s)
- Dean H. Betts
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
- Children’s Health Research Institute, Lawson Health Research Institute, London, Ontario, Canada
- * E-mail:
| | - Nathan T. Bain
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Pavneesh Madan
- Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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49
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Gupta S, Fedor J, Biedenharn K, Agarwal A. Lifestyle factors and oxidative stress in female infertility: is there an evidence base to support the linkage? ACTA ACUST UNITED AC 2014. [DOI: 10.1586/17474108.2013.849418] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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50
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Takahashi T, Inaba Y, Somfai T, Kaneda M, Geshi M, Nagai T, Manabe N. Supplementation of culture medium with L-carnitine improves development and cryotolerance of bovine embryos produced in vitro. Reprod Fertil Dev 2013; 25:589-99. [PMID: 22954232 DOI: 10.1071/rd11262] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2011] [Accepted: 05/04/2012] [Indexed: 11/23/2022] Open
Abstract
High lipid content in embryos is associated with low freezing tolerance. This study assessed the effects of exogenous L-carnitine, an enhancer of lipid metabolism, on the in vitro development and freezing survival of bovine embryos. Also, effects on metabolic activity, reactive oxygen species (ROS) and apoptosis were investigated. Supplementation of embryo culture medium with 1.518 mM or 3.030 mM L-carnitine significantly increased the rates of zygote development to the blastocyst stage and blastocyst cell numbers whereas 6.072 mM of this compound did not improve embryo development. Survival rates after slow freezing of blastocysts were significantly higher when embryos were cultured in the presence of 1.518 mM or 3.030 mM L-carnitine compared with the control. A lower density of lipid droplets was detected in L-carnitine-treated blastocysts compared with the control. L-carnitine significantly reduced ROS levels in 2-cell embryos but did not reduce ROS levels at later stages. The apoptotic cell rate was not different between control and L-carnitine-treated blastocysts. L-carnitine significantly increased ATP levels in 2-cell embryos but not at the 8-cell or blastocyst stages. L-carnitine increased the expression of metabolism-related ATP6 and COX1 genes in blastocysts. In conclusion, L-carnitine supplementation enhanced lipid metabolism in embryos resulting in improved development and cryotolerance of bovine blastocysts produced in vitro.
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Affiliation(s)
- Toshikiyo Takahashi
- NARO Institute of Livestock and Grassland Science, Ikenodai 2, Tsukuba, Ibaraki 305-0901, Japan
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