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Martin JH, Nixon B, Cafe SL, Aitken RJ, Bromfield EG, Lord T. OXIDATIVE STRESS AND REPRODUCTIVE FUNCTION: Oxidative stress and in vitro ageing of the post-ovulatory oocyte: an update on recent advances in the field. Reproduction 2022; 164:F109-F124. [PMID: 36190194 DOI: 10.1530/rep-22-0206] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 10/03/2022] [Indexed: 11/09/2022]
Abstract
In brief Post-ovulatory ageing of oocytes leads to poor oocyte and embryo quality as well as abnormalities in offspring. This review provides an update on the contributions of oxidative stress to this process and discusses the current literature surrounding the use of antioxidant media to delay post-ovulatory oocyte ageing. Abstract Following ovulation, the metaphase II stage oocyte has a limited functional lifespan before succumbing to a process known as post-ovulatory oocyte ageing. This progressive demise occurs both in vivo and in vitro and is accompanied by a deterioration in oocyte quality, leading to a well-defined sequelae of reduced fertilisation rates, poor embryo quality, post-implantation errors, and abnormalities in the offspring. Although the physiological consequences of post-ovulatory oocyte ageing have largely been characterised, less is known regarding the molecular mechanisms that drive this process. This review presents an update on the established relationships between the biochemical changes exhibited by the ageing oocyte and the myriad of symptoms associated with the ageing phenotype. In doing so, we consider the molecular events that are potentially involved in orchestrating post-ovulatory ageing with a particular focus on the role of oxidative stress. We highlight the mounting evidence that oxidative stress acts as an initiator for a cascade of events that create the aged oocyte phenotype. Specifically, oxidative stress has the capacity to disrupt mitochondrial function and directly damage multiple intracellular components of the oocyte such as lipids, proteins, and DNA. Finally, this review addresses emerging strategies for delaying post-ovulatory oocyte ageing with emphasis placed on the promise afforded by the use of selected antioxidants to guide the development of media tailored for the preservation of oocyte integrity during in vitro fertilisation procedures.
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Affiliation(s)
- Jacinta H Martin
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
| | - Brett Nixon
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
| | - Shenae L Cafe
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
| | - R John Aitken
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
| | - Elizabeth G Bromfield
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
| | - Tessa Lord
- Priority Research Centre for Reproductive Science, School of Environmental and Life Sciences, College of Engineering, Science and Environment, The University of Newcastle, Callaghan, New South Wales, Australia.,Hunter Medical Research Institute Program in Infertility and Reproduction, New Lambton Heights, New South Wales, Australia
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Jiao Y, Wang Y, Jiang T, Wen K, Cong P, Chen Y, He Z. Quercetin protects porcine oocytes from in vitro aging by reducing oxidative stress and maintaining the mitochondrial functions. Front Cell Dev Biol 2022; 10:915898. [PMID: 36274842 PMCID: PMC9581393 DOI: 10.3389/fcell.2022.915898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 09/15/2022] [Indexed: 11/13/2022] Open
Abstract
Quercetin (QUE) is a component of the flavonoid family that shows various therapeutic properties, such as antioxidant effects. However, whether QUE affects porcine oocyte in vitro aging has not yet been investigated. Therefore, in this study, we applied various doses of QUE to freshly isolated porcine oocytes and found that 10 µM QUE improved the oocyte maturation rate in vitro, as reflected by the increased degree of cumulus cell expansion and first polar body extrusion. More importantly, we found that QUE reduced in vitro aging and improved the maturity level of porcine oocytes after another 24 h of culturing, accompanied by the upregulated expression levels of bone morphogenetic protein 15, growth differentiation factor 9, Moloney sarcoma oncogene, and cyclin-dependent kinase 2. In addition, we found that QUE treatment significantly reduced the intracellular reactive oxygen species levels, apoptosis, and autophagy and upregulated the expression levels of superoxide dismutase 2 and catalase in aged porcine oocytes. In addition, QUE restored impaired mitochondrial membrane potential and spindle assembly in aged porcine oocytes. Our findings demonstrate that QUE can protect porcine oocytes from in vitro aging by reducing oxidative stress and maintaining mitochondrial function.
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Zhou Y, Li X, Luo W, Zhu J, Zhao J, Wang M, Sang L, Chang B, Wang B. Allicin in Digestive System Cancer: From Biological Effects to Clinical Treatment. Front Pharmacol 2022; 13:903259. [PMID: 35770084 PMCID: PMC9234177 DOI: 10.3389/fphar.2022.903259] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/23/2022] [Indexed: 12/24/2022] Open
Abstract
Allicin is the main active ingredient in freshly-crushed garlic and some other allium plants, and its anticancer effect on cancers of digestive system has been confirmed in many studies. The aim of this review is to summarize epidemiological studies and in vitro and in vivo investigations on the anticancer effects of allicin and its secondary metabolites, as well as their biological functions. In epidemiological studies of esophageal cancer, liver cancer, pancreatic cancer, and biliary tract cancer, the anticancer effect of garlic has been confirmed consistently. However, the results obtained from epidemiological studies in gastric cancer and colon cancer are inconsistent. In vitro studies demonstrated that allicin and its secondary metabolites play an antitumor role by inhibiting tumor cell proliferation, inducing apoptosis, controlling tumor invasion and metastasis, decreasing angiogenesis, suppressing Helicobacter pylori, enhancing the efficacy of chemotherapeutic drugs, and reducing the damage caused by chemotherapeutic drugs. In vivo studies further demonstrate that allicin and its secondary metabolites inhibit cancers of the digestive system. This review describes the mechanisms against cancers of digestive system and therapeutic potential of allicin and its secondary metabolites.
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Affiliation(s)
- Yang Zhou
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, China
- The Second Clinical College, China Medical University, Shenyang, China
| | - Xingxuan Li
- The Second Clinical College, China Medical University, Shenyang, China
| | - Wenyu Luo
- The Second Clinical College, China Medical University, Shenyang, China
| | - Junfeng Zhu
- Department of Clinical Laboratory, Affiliated Hospital of Guilin Medical University, Guilin, China
| | - Jingwen Zhao
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Mengyao Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Lixuan Sang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Bing Chang
- Department of Gastroenterology, The First Affiliated Hospital of China Medical University, Shenyang, China
- *Correspondence: Bing Chang,
| | - Bingyuan Wang
- Department of Geriatric Medicine, The First Affiliated Hospital of China Medical University, Shenyang, China
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Li Q, Zhang Y, Li W, Yan K, Liu Y, Xu H, Lu Y, Liang X, Yang X. Allicin protects porcine oocytes against LPS-induced defects during maturation in vitro. Theriogenology 2022; 182:138-147. [DOI: 10.1016/j.theriogenology.2022.02.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 02/05/2022] [Accepted: 02/07/2022] [Indexed: 12/15/2022]
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Lin T, Sun L, Lee JE, Kim SY, Jin DI. DNA damage repair is suppressed in porcine aged oocytes. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2021; 63:984-997. [PMID: 34796342 PMCID: PMC8564305 DOI: 10.5187/jast.2021.e90] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/01/2021] [Accepted: 07/09/2021] [Indexed: 12/24/2022]
Abstract
This study sought to evaluate DNA damage and repair in porcine postovulatory aged
oocytes. The DNA damage response, which was assessed by H2A.X expression,
increased in porcine aged oocytes over time. However, the aged oocytes exhibited
a significant decrease in the expression of RAD51, which reflects the DNA damage
repair capacity. Further experiments suggested that the DNA repair ability was
suppressed by the downregulation of genes involved in the homologous
recombination (HR) and nonhomologous end-joining (NHEJ) pathways. The expression
levels of the cell cycle checkpoint genes, CHEK1 and
CHEK2, were upregulated in porcine aged oocytes in response
to induced DNA damage. Immunofluorescence results revealed that the expression
level of H3K79me2 was significantly lower in porcine aged oocytes than in
control oocytes. In addition, embryo quality was significantly reduced in aged
oocytes, as assessed by measuring the cell proliferation capacity. Our results
provide evidence that DNA damage is increased and the DNA repair ability is
suppressed in porcine aged oocytes. These findings increase our understanding of
the events that occur during postovulatory oocyte aging.
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Affiliation(s)
- Tao Lin
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056038, China.,Division of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Korea
| | - Ling Sun
- School of Life Sciences and Food Engineering, Hebei University of Engineering, Handan 056038, China.,Division of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Korea
| | - Jae Eun Lee
- Division of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Korea
| | - So Yeon Kim
- Division of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Korea
| | - Dong Il Jin
- Division of Animal & Dairy Science, Chungnam National University, Daejeon 34134, Korea
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Hall JG. The mystery of monozygotic twinning II: What can monozygotic twinning tell us about Amyoplasia from a review of the various mechanisms and types of monozygotic twinning? Am J Med Genet A 2021; 185:1822-1835. [PMID: 33765349 DOI: 10.1002/ajmg.a.62177] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/12/2021] [Accepted: 02/16/2021] [Indexed: 11/12/2022]
Abstract
Monozygotic (MZ) twins ("identical twins") are essentially unique to human beings. Why and how they arise is not known. This article reviews the possible different types of MZ twinning recognized in the previous article on twins and arthrogryposis. There appear to be at least three subgroups of MZ twinning: spontaneous, familial, and those related to artificial reproductive technologies. Each is likely to have different etiologies and different secondary findings. Spontaneous MZ twinning may relate to "overripe ova." Amyoplasia, a specific nongenetic form of arthrogryposis, appears to occur in spontaneous MZ twinning and may be related to twin-twin transfusion.
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Affiliation(s)
- Judith G Hall
- University of British Columbia and Children's and Women's Health Centre of British Columbia, Department of Pediatrics and Medical Genetics, British Columbia Children's Hospital, Vancouver, British Columbia, Canada
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Inhibitory effects of astaxanthin on postovulatory porcine oocyte aging in vitro. Sci Rep 2020; 10:20217. [PMID: 33214659 PMCID: PMC7677382 DOI: 10.1038/s41598-020-77359-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 11/04/2020] [Indexed: 02/07/2023] Open
Abstract
Mammalian oocytes represent impaired quality after undergoing a process of postovulatory aging, which can be alleviated through various effective ways such as reagent treatment. Accumulating evidences have revealed the beneficial effects of astaxanthin (Ax) as a potential antioxidant on reproductive biology. Here, porcine matured oocytes were used as a model to explore whether Ax supplement can protect against oocyte aging in vitro and the underlying mechanism, and therefore they were cultured with or without 2.5 μM Ax for an additional 24 h. Aged oocytes treated with Ax showed improved yield and quality of blastocysts as well as recovered expression of maternal genes. Importantly, oxidative stress in aged oocytes was relieved through Ax treatment, based on reduced reactive oxygen species and enhanced glutathione and antioxidant gene expression. Moreover, inhibition in apoptosis and autophagy of aged oocyte by Ax was confirmed through decreased caspase-3, cathepsin B and autophagic activities. Ax could also maintain spindle organization and actin expression, and rescue functional status of organelles including mitochondria, endoplasmic reticulum, Golgi apparatus and lysosomes according to restored fluorescence intensity. In conclusion, Ax might provide an alternative for ameliorating the oocyte quality following aging in vitro, through the mechanisms mediated by its antioxidant properties.
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Yoon JW, Lee SE, Park YG, Kim WJ, Park HJ, Park CO, Kim SH, Oh SH, Lee DG, Pyeon DB, Kim EY, Park SP. The antioxidant icariin protects porcine oocytes from age-related damage in vitro. Anim Biosci 2020; 34:546-557. [PMID: 32777912 PMCID: PMC7961286 DOI: 10.5713/ajas.20.0046] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 04/29/2020] [Indexed: 02/08/2023] Open
Abstract
OBJECTIVE If fertilization does not occur within a specific period, the quality of unfertilized oocytes in the oviduct (in vivo aging) or in culture (in vitro aging) will deteriorate over time. Icariin (ICA), found in all species of Epimedium herbs, has strong antioxidant activity, and is thought to exert anti-aging effects in vitro. We asked whether ICA protects oocytes against age-related changes in vitro. METHODS We analyzed the reactive oxygen species (ROS) levels and expression of antioxidant, maternal, and estrogen receptor genes, and along with spindle morphology, and the developmental competence and quality of embryos in the presence and absence of ICA. RESULTS Treatment with 5 μM ICA (ICA-5) led to a significant reduction in ROS activity, but increased mRNA expression of glutathione and antioxidant genes (superoxide dismutase 1 [SOD1], SOD2, peroxiredoxin 5, and nuclear factor erythroid 2-like 2), during aging in vitro. In addition, ICA-5 prevented defects in spindle formation and chromosomal alignment, and increased mRNA expression of cytoplasmic maturation factor genes (bone morphogenetic protein 15, cyclin B1, MOS proto-oncogene, serine/threonine kinase, and growth differentiation factor-9). It also prevented apoptosis, increased mRNA expression of antiapoptotic genes (BCL2-like 1 and baculoviral IAP repeat-containing 5), and reduced mRNA expression of pro-apoptotic genes (BCL2 antagonist/killer 1 and activation of caspase-3). Although the maturation and cleavage rates were similar in all groups, the total cell number per blastocyst and the percentage of apoptotic cells at the blastocyst stage were higher and lower, respectively, in the control and ICA-5 groups than in the aging group. CONCLUSION ICA protects oocytes against damage during aging in vitro; therefore, it can be used to improve assisted reproductive technologies.
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Affiliation(s)
- Jae-Wook Yoon
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Seung-Eun Lee
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Yun-Gwi Park
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Won-Jae Kim
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Hyo-Jin Park
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Chan-Oh Park
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - So-Hee Kim
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Seung-Hwan Oh
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Do-Geon Lee
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Da-Bin Pyeon
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea
| | - Eun-Young Kim
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea.,Mirae Cell Bio, Seoul 04795, Korea
| | - Se-Pill Park
- Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 63243, Korea.,Stem Cell Research Center, Jeju National University, Jeju 63243, Korea.,Mirae Cell Bio, Seoul 04795, Korea
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