1
|
Amstislavsky S, Brusentsev E, Lebedeva D, Rozhkova I, Rakhmanova T, Okotrub S, Kozeneva V, Igonina T, Babochkina T. Effect of cryopreservation on Odc1 and RhoA genes expression in diapausing mouse blastocysts. Reprod Domest Anim 2024; 59:e14576. [PMID: 38712681 DOI: 10.1111/rda.14576] [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: 01/17/2024] [Revised: 03/02/2024] [Accepted: 04/17/2024] [Indexed: 05/08/2024]
Abstract
The possibility of embryo cryopreservation is important for applying the genome resource banking (GRB) concept to those mammalian species that exhibit embryonal diapause in their early development. Odc1 encodes ODC1, which is a key enzyme in polyamine synthesis. RhoA is an essential part of Rho/ROCK system. Both Odc1 and RhoA play an important role in preimplantation embryo development. Studying these systems in mammalian species with obligate or experimentally designed embryonic diapause may provide insight into the molecular machinery underlying embryo dormancy and re-activation. The effect of cryopreservation procedures on the expression of the Odc1 and RhoA in diapausing embryos has not been properly studied yet. The purpose of this work is to address the possibility of cryopreservation diapausing embryos and to estimate the expression of the Odc1 and RhoA genes in diapausing and non-diapausing embryos before and after freeze-thaw procedures using ovariectomized progesterone treated mice as a model. Both diapausing and non-diapausing in vivo-derived embryos continued their development in vitro after freezing-thawing as evidenced by blastocoel re-expansion. Although cryopreservation dramatically decreased the expression of the Odc1 and RhoA genes in non-diapausing embryos, no such effects have been observed in diapausing embryos where these genes were already at the low level before freeze-thaw procedures. Future studies may attempt to facilitate the re-activation of diapausing embryos, for example frozen-thawed ones, specifically targeting Odc1 or Rho/ROCK system.
Collapse
Affiliation(s)
- Sergei Amstislavsky
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Eugeny Brusentsev
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Daria Lebedeva
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Irina Rozhkova
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Tamara Rakhmanova
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Svetlana Okotrub
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Varvara Kozeneva
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Tatyana Igonina
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| | - Tatyana Babochkina
- Institute of Cytology and Genetics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
| |
Collapse
|
2
|
Ji P, Liu Y, Yan L, Jia Y, Zhao M, Lv D, Yao Y, Ma W, Yin D, Liu F, Gao S, Wusiman A, Yang K, Zhang L, Liu G. Melatonin improves the vitrification of sheep morulae by modulating transcriptome. Front Vet Sci 2023; 10:1212047. [PMID: 37920328 PMCID: PMC10619913 DOI: 10.3389/fvets.2023.1212047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 07/03/2023] [Indexed: 11/04/2023] Open
Abstract
Embryo vitrification technology is widely used in livestock production, but freezing injury has been a key factor hindering the efficiency of embryo production. There is an urgent need to further analyze the molecular mechanism of embryo damage by the vitrification process. In the study, morulae were collected from Hu sheep uterine horns after superovulation and sperm transfusion. Morulae were Cryotop vitrified and warmed. Nine morulae were in the vitrified control group (frozen), and seven morulae were vitrified and warmed with 10-5 M melatonin (melatonin). Eleven non-frozen morulae were used as controls (fresh). After warming, each embryo was sequenced separately for library construction and gene expression analysis. p < 0.05 was used to differentiate differentially expressed genes (DEG). The results showed that differentiated differentially expressed genes (DEG) in vitrified morulae were mainly enriched in protein kinase activity, adhesion processes, calcium signaling pathways and Wnt, PI3K/AKT, Ras, ErbB, and MAPK signaling pathways compared to controls. Importantly, melatonin treatment upregulated the expression of key pathways that increase the resistance of morulae against vitrification induced damage. These pathways include kinase activity pathway, ErbB, and PI3K/Akt signaling pathway. It is worth mentioning that melatonin upregulates the expression of XPA, which is a key transcription factor for DNA repair. In conclusion, vitrification affected the transcriptome of in vivo-derived Hu sheep morulae, and melatonin had a protective effect on the vitrification process. For the first time, the transcriptome profiles caused by vitrification and melatonin in sheep morulae were analyzed in single embryo level. These data obtained from the single embryo level provide an important molecular mechanism for further optimizing the cryopreservation of embryos or other cells.
Collapse
Affiliation(s)
- Pengyun Ji
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yunjie Liu
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Laiqing Yan
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | | | - Mengmeng Zhao
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Dongying Lv
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yujun Yao
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Wenkui Ma
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Depeng Yin
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Fenze Liu
- Inner Mongolia Golden Grassland Ecological Technology Group Co., Ltd., Inner Mongolia, China
| | - Shuai Gao
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Abulizi Wusiman
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Kailun Yang
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Lu Zhang
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Guoshi Liu
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| |
Collapse
|
3
|
Ma Y, Zhang J, Tian Y, Fu Y, Tian S, Li Q, Yang J, Zhang L. Zwitterionic microgel preservation platform for circulating tumor cells in whole blood specimen. Nat Commun 2023; 14:4958. [PMID: 37587113 PMCID: PMC10432405 DOI: 10.1038/s41467-023-40668-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 08/07/2023] [Indexed: 08/18/2023] Open
Abstract
The immediate processing of whole blood specimen is required in circulating tumor cell-based liquid biopsy. Reliable blood specimen stabilization towards preserving circulating tumor cells can enable more extensive geographic sharing for precise rare-cell technology, but remains challenging due to the fragility and rarity of circulating tumor cells. Herein, we establish a zwitterionic magnetic microgel platform to stabilize whole blood specimen for long-term hypothermic preservation of model circulating tumor cells. We show in a cohort study of 20 cancer patients that blood samples can be preserved for up to 7 days without compromising circulating tumor cell viability and RNA integrity, thereby doubling the viable preservation duration. We demonstrate that the 7-day microgel-preserved blood specimen is able to reliably detect cancer-specific transcripts, similar to fresh blood specimens, while there are up/down expression regulation of 1243 genes in model circulating tumor cells that are preserved by commercial protectant. Mechanistically, we find that the zwitterionic microgel assembly counters the cold-induced excessive reactive oxygen species and platelet activation, as well as extracellular matrix loss-induced cell anoikis, to prevent circulating tumor cell loss in the whole blood sample. The present work could prove useful for the development of blood-based noninvasive diagnostics.
Collapse
Affiliation(s)
- Yiming Ma
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China
| | - Jun Zhang
- Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, Key Laboratory of Breast Cancer Prevention and Therapy, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, National Clinical Research Center of Cancer, Tianjin Medical University Cancer Institute and Hospital, Tianjin, 300060, China
| | - Yunqing Tian
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China
| | - Yihao Fu
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China
| | - Shu Tian
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China
| | - Qingsi Li
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China
| | - Jing Yang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China.
| | - Lei Zhang
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Frontier Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (MOE), Tianjin University, Tianjin, 300350, China.
| |
Collapse
|
4
|
Abdul Rahman NS, Mohamed Noor Khan NA, Eshak Z, Sarbandi MS, Mohammad Kamal AA, Abd Malek M, Abdullah F, Abdullah MA, Othman F. Exogenous L-Glutathione Improves Vitrification Outcomes in Murine Preimplantation Embryos. Antioxidants (Basel) 2022; 11:antiox11112100. [PMID: 36358471 PMCID: PMC9686984 DOI: 10.3390/antiox11112100] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/04/2022] [Accepted: 10/19/2022] [Indexed: 11/16/2022] Open
Abstract
Vitrification is an important tool to store surplus embryos in assisted reproductive technology (ART). However, vitrification increases oxidative damage and results in decreased viability. Studies have reported that L-glutathione (GSH) supplementation improves the preimplantation development of murine embryos. Glutathione constitutes the major non-protein sulphydryl compound in mammalian cells, which confers protection against oxidative damage. However, the effect of GSH supplementation on embryonic vitrification outcomes has yet to be reported. This study aims to determine whether GSH supplementation in culture media improves in vitro culture and vitrification outcomes, as observed through embryo morphology and preimplantation development. Female BALB/c mice aged 6−8 weeks were superovulated through an intraperitoneal injection of 10 IU of pregnant mare serum gonadotrophin (PMSG), followed by 10 IU of human chorionic gonadotrophin (hCG) 48 h later. The mated mice were euthanized by cervical dislocation 48 h after hCG to harvest embryos. Two-cell embryos were randomly assigned to be cultured in either Group 1 (GSH-free medium), Group 2 (GSH-free medium with vitrification), Group 3 (0.01 mM GSH-supplemented medium), or Group 4 (0.01 mM GSH-supplemented medium with vitrification). Non-vitrified (Groups 1 and 3) and vitrified (Groups 2 and 4) embryos were observed for morphological quality and preimplantation development at 24, 48, 72, and 96 h. In the non-vitrified groups, there were significant increases in the number of Grade-1 blastocysts in GSH cultures (p < 0.05). Similarly, in the vitrified groups, GSH supplementation was also seen to significantly increase blastocyst formation. Exogenous GSH supplementation resulted in a significant increase in intracellular GSH, a release of cytochrome c from mitochondria, and a parallel decrease in intracellular reactive oxygen species (ROS) levels in vitrified eight-cell embryos (p < 0.05). GSH supplementation was shown to upregulate Bcl2 expression and downregulate Bax expression in the vitrified preimplantation embryo group. The action of exogenous GSH was concomitant with an increase in the relative abundance of Gpx1 and Sod1. In conclusion, our study demonstrated the novel use and practical applicability of GSH supplementation for improving embryonic cryotolerance via a decrease in ROS levels and the inhibition of apoptotic events by improvement in oxidative status.
Collapse
Affiliation(s)
- Nor-Shahida Abdul Rahman
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Nor-Ashikin Mohamed Noor Khan
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
- Correspondence:
| | - Zolkapli Eshak
- Faculty of Pharmacy, Universiti Teknologi MARA, Selangor Branch, Puncak Alam Campus, Bandar Puncak Alam 42300, Selangor, Malaysia
| | - Mimi-Sophia Sarbandi
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
- Faculty of Applied Sciences, Universiti Teknologi MARA, Perak Branch, Tapah Campus, Tapah Road 35400, Perak, Malaysia
| | - Aqila-Akmal Mohammad Kamal
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
| | - Mastura Abd Malek
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
| | - Fathiah Abdullah
- Maternofetal and Embryo Research Group (MatE), Faculty of Medicine, Universiti Teknologi MARA, Selangor Branch, Sungai Buloh Campus, Sungai Buloh 47000, Selangor, Malaysia
- Faculty of Applied Sciences, Universiti Teknologi MARA, Perak Branch, Tapah Campus, Tapah Road 35400, Perak, Malaysia
| | | | - Fezah Othman
- Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| |
Collapse
|
5
|
Human iPSC-derived hepatocytes in 2D and 3D suspension culture for cryopreservation and in vitro toxicity studies. Reprod Toxicol 2022; 111:68-80. [DOI: 10.1016/j.reprotox.2022.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 05/06/2022] [Accepted: 05/12/2022] [Indexed: 12/19/2022]
|
6
|
The Effect of Freezing Twice during Assisted Reproductive Technology on Perinatal and Neonatal Outcomes. BIOMED RESEARCH INTERNATIONAL 2022; 2022:5623462. [PMID: 35419457 PMCID: PMC9001107 DOI: 10.1155/2022/5623462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 12/04/2022]
Abstract
Objective The aim of this paper was to investigate whether two freeze-thaw cycles before embryo transfer may affect perinatal and neonatal outcomes. Materials and Methods A total of 8,028 frozen-thawed embryo transfer patients who became pregnant between March 2013 and September 2019 were included. The patients were divided into two groups: the oocyte cryopreservation (OC) group (N = 96) and the control group (N = 7932). Propensity score matching (PSM) was used to adjust the baseline characteristics of the two groups at a proportion of 1 : 4. There were 96 patients in the OC group and 369 patients in the control group after PSM. The pregnancy-related complications and neonatal conditions after delivery of the two groups were compared. Results The OC group had a higher stillbirth rate (3.1% vs. 0.3%, P = 0.029) than the control group after PSM. Moreover, a slightly higher pregnancy defect rate was found in the OC group. There was no significant difference in the rates of diabetes mellitus, hypertension during pregnancy, cesarean section, multiple births, low birth weight (LBW), or premature birth defects between the two groups. Conclusions Our findings demonstrate that performing frozen-thawed embryo transfer (FET) with cryopreserved oocytes was associated with a higher rate of stillbirth than FET with fresh oocytes. The incidences of diabetes, gestational hypertension, cesarean section, multiple births, LBW, premature birth, and birth defects of the two groups were not significantly different.
Collapse
|
7
|
Alonso-Alonso S, Santaló J, Ibáñez E. Efficient generation of embryonic stem cells from single blastomeres of cryopreserved mouse embryos in the presence of signalling modulators. Reprod Fertil Dev 2022; 34:576-587. [PMID: 35157826 DOI: 10.1071/rd21297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 01/23/2022] [Indexed: 11/23/2022] Open
Abstract
CONTEXT Derivation of embryonic stem cells (ESC) from single blastomeres is an interesting alternative to the use of whole blastocysts, but derivation rates are lower and the requirements for successful ESC obtention are still poorly defined. AIMS To investigate the effects of embryo cryopreservation and of signalling modulators present during embryo culture and/or ESC establishment on ESC derivation efficiency from single 8-cell mouse blastomeres. METHOD Fresh and cryopreserved 2-cell embryos were cultured and biopsied at the 8-cell stage. Single blastomeres were cultured in the presence of 2i or R2i cocktails, with or without adrenocorticotropic hormone (ACTH). We analysed ESC derivation efficiencies and characterised pluripotency genes expression and karyotype integrity of the resulting lines. We also evaluated the impact of embryo preculture with R2i on epiblast cell numbers and derivation rates. KEY RESULTS The ESC generation was not compromised by embryo cryopreservation and ACTH was dispensable under most of the conditions tested. While 2i and R2i were similarly effective for ESC derivation, R2i provided higher karyotype integrity. Embryo preculture with R2i yielded increased numbers of epiblast cells but did not lead to increased ESC generation. CONCLUSIONS Our findings help to define a simplified and efficient procedure for the establishment of mouse ESC from single 8-cell blastomeres. IMPLICATIONS This study will contribute to improving the potential of this experimental procedure, providing a tool to investigate the developmental potential of blastomeres isolated from different embryonic stages and to reduce the number of embryos needed for ESC derivation.
Collapse
Affiliation(s)
- Sandra Alonso-Alonso
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Josep Santaló
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| | - Elena Ibáñez
- Departament de Biologia Cel·lular, Fisiologia i Immunologia, Facultat de Biociències, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
| |
Collapse
|
8
|
Antioxidant supplementation of mouse embryo culture or vitrification media support more in-vivo-like gene expression post-transfer. Reprod Biomed Online 2021; 44:393-410. [DOI: 10.1016/j.rbmo.2021.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 11/08/2021] [Accepted: 11/13/2021] [Indexed: 11/23/2022]
|
9
|
Truong TT, Gardner DK. Antioxidants increase blastocyst cryosurvival and viability post-vitrification. Hum Reprod 2021; 35:12-23. [PMID: 31916568 DOI: 10.1093/humrep/dez243] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Revised: 10/06/2019] [Indexed: 12/27/2022] Open
Abstract
STUDY QUESTION What is the effect of antioxidants acetyl-L-carnitine, N-acetyl-L-cysteine and α-lipoic acid (A3) in vitrification and warming solutions on mouse blastocyst development and viability? SUMMARY ANSWER The combination of three antioxidants in vitrification solutions resulted in mouse blastocysts with higher developmental potential in vitro and increased viability as assessed by both an outgrowth model in vitro and fetal development following uterine transfer. WHAT IS KNOWN ALREADY The antioxidant combination of acetyl-L-carnitine, N-acetyl-L-cysteine and α-lipoic acid present in IVF handling and embryo culture media has significant beneficial effects on mouse embryo and fetal development, especially under oxidative stress. STUDY DESIGN, SIZE, DURATION The study was a laboratory-based analysis of an animal model. Rapid cooling through vitrification was conducted on F1 mouse blastocysts, with antioxidants (A3) supplemented in vitrification and/or warming solutions, followed by culture and embryo transfer. PARTICIPANTS/MATERIALS, SETTINGS, METHODS Pronucleate oocytes were collected and cultured in groups to Day 4 blastocysts. Expanded blastocysts were vitrified and warmed in solutions with and without the A3 antioxidants and cultured for a further 24 h. Blastocyst cell number and allocation, apoptosis and histone acetylation levels were all quantified, and viability through outgrowths and transfers assessed. MAIN RESULTS AND THE ROLE OF CHANCE Mouse blastocysts vitrified with no antioxidants had significantly lower cell numbers (P < 0.001) and higher apoptotic cells (P < 0.05) compared to non-vitrified embryos. Addition of combined A3 antioxidants to the vitrification and warming solutions resulted in a significant increase in inner cell mass cell (ICM) number (P < 0.001) and total cell number (P < 0.01), and an increase in outgrowth area (P < 0.05), which correlated with the increased fetal weight (P < 0.05), crown rump length (P < 0.05) and limb development (P < 0.05) determined following transfer compared to embryos with no antioxidants. Furthermore, while blastocyst vitrification significantly reduced acetylation levels (P < 0.05) compared to non-vitrified embryos, the inclusion of A3 antioxidants helped to ameliorate this. LIMITATIONS, REASONS FOR CAUTION Embryo development was only examined in the mouse. WIDER IMPLICATIONS OF THE FINDINGS Results in this study demonstrate that vitrification and warming of blastocysts have significant detrimental effects on embryo histone acetylation and subsequent viability. The presence of antioxidants in the vitrification solutions helps to alleviate the negative effects of cryopreservation. Our data indicate that antioxidants need to be present in the medium at the time of exposure to increased oxidative stress associated with vitrification and that prior exposure (i.e. during culture or IVF alone) is insufficient to protect cells against cryo-induced injury. Hence, A3 antioxidants may assist in maintaining the viability of vitrified human embryos in ART through the reduction of oxidative stress. STUDY FUNDING/COMPETING INTEREST(S) This work was funded by a research grant from Vitrolife AB (Sweden). The authors have no conflict of interest to declare.
Collapse
Affiliation(s)
- Thi T Truong
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia
| | - David K Gardner
- School of BioSciences, University of Melbourne, Parkville, Victoria, Australia
| |
Collapse
|
10
|
Marsico TV, Caetano DP, Rodrigues R, Valente RS, Fontes PK, Mesquita FS, Andrade SCDS, Basso AC, Nogueira MFG, Sudano MJ. Transcriptional profiling of embryo cryotolerance. Mol Reprod Dev 2020; 87:1245-1259. [PMID: 33156526 DOI: 10.1002/mrd.23436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 01/04/2023]
Abstract
The cryosurvival of embryos is a complex process involving dynamic and integrated morphological, functional, and molecular changes. Here, we evaluated the transcriptional profiling of bovine embryos possessing high and low cryotolerance (HC and LC, respectively) by assessing the resumption of development. Embryos were produced in vitro (N = 1137) and cryopreserved (N = 894). Blastocysts samples possessed pronounced group individualization at RNA sequencing. A total of 114 genes were differentially expressed, and 27 and 84 genes were upregulated in HC and LC, respectively. Among the over-represented biological functions, cellular growth and proliferation, cell death and survival, and organismal survival were predicted to be activated, while cellular movement and cell-to-cell signaling were predicted to be inhibited in HC embryos. Enriched canonical pathways and upstream regulators related to cellular proliferation and survival (HC), inflammatory processes, and cell death (LC) were predicted to represent two embryonic molecular profiles present during the resumption of development after cryopreservation. The marked contrast in transcriptional profiles between HC and LC strongly suggests the influence of embryonic competence after cryopreservation on its respective transcriptome and indicated that HC and LC presented two different molecular strategies to overcome cryopreservation-related stress and resume postcryopreservation development.
Collapse
Affiliation(s)
- Thamiris V Marsico
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, Brazil
| | - Diana P Caetano
- School of Veterinary Medicine, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil
| | | | - Roniele S Valente
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, Brazil
| | - Patricia K Fontes
- Department of Pharmacology, Laboratory of Phytomedicines, Pharmacology and Biotechnology, Institute of Biosciences, University of São Paulo State (Unesp), Botucatu, São Paulo, Brazil
| | - Fernando S Mesquita
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, Brazil
| | - Sónia C da Silva Andrade
- Department of Genetics and Evolutionary Biology, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Andréa C Basso
- In vitro Brazil - IVB, ABS Pecplan, Mogi Mirim, São Paulo, Brazil
| | - Marcelo F G Nogueira
- Department of Pharmacology, Laboratory of Phytomedicines, Pharmacology and Biotechnology, Institute of Biosciences, University of São Paulo State (Unesp), Botucatu, São Paulo, Brazil.,Department of Biological Science, School of Sciences and Languages, University of São Paulo State, Assis, São Paulo, Brazil
| | - Mateus J Sudano
- Center for Natural and Human Sciences, Federal University of ABC, Santo André, São Paulo, Brazil.,School of Veterinary Medicine, Federal University of Pampa, Uruguaiana, Rio Grande do Sul, Brazil.,Department of Genetics and Evolution, Federal University of São Carlos, São Carlos, São Paulo, Brazil
| |
Collapse
|
11
|
Denomme MM, Parks JC, McCallie BR, McCubbin NI, Schoolcraft WB, Katz-Jaffe MG. Advanced paternal age directly impacts mouse embryonic placental imprinting. PLoS One 2020; 15:e0229904. [PMID: 32142542 PMCID: PMC7059926 DOI: 10.1371/journal.pone.0229904] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 02/17/2020] [Indexed: 11/18/2022] Open
Abstract
The placental epigenome plays a critical role in regulating mammalian growth and development. Alterations to placental methylation, often observed at imprinted genes, can lead to adverse pregnancy complications such as intrauterine growth restriction and preterm birth. Similar associations have been observed in offspring derived from advanced paternal age fathers. As parental age at time of conception continues to rise, the impact of advanced paternal age on these reproductive outcomes is a growing concern, but limited information is available on the molecular mechanisms affected in utero. This longitudinal murine research study thus investigated the impact of paternal aging on genomic imprinting in viable F1 embryonic portions of the placentas derived from the same paternal males when they were young (4-6 months) and when they aged (11-15 months). The use of a controlled outbred mouse model enabled analysis of offspring throughout the natural lifetime of the same paternal males and excluded confounding factors like female age or infertility. Firstly, paternal age significantly impacted embryonic placental weight, fetal weight and length. Targeted bisulfite sequencing was utilized to examine imprinted methylation at the Kcnq1ot1 imprinting control region, with significant hypermethylation observed upon natural paternal aging. Quantitative real-time PCR assessed imprinted gene expression levels at various imprinting clusters, resulting in transcript level alterations attributable to advanced paternal age. In summary, our results demonstrate a paternal age effect with dysregulation at numerous imprinted loci, providing a mechanism for future adverse placental and offspring health conditions.
Collapse
Affiliation(s)
| | - Jason C. Parks
- Fertility Labs of Colorado, Lone Tree, CO, United States of America
| | | | | | | | - Mandy G. Katz-Jaffe
- Fertility Labs of Colorado, Lone Tree, CO, United States of America
- Colorado Center for Reproductive Medicine, Lone Tree, CO, United States of America
- * E-mail:
| |
Collapse
|
12
|
Sarmadi F, Kazemi P, Tirgar P, Fayazi S, Esfandiari S, Sotoodeh L, Molaeian S, Dashtizad M. Using natural honey as an anti-oxidant and thermodynamically efficient cryoprotectant in embryo vitrification. Cryobiology 2019; 91:30-39. [PMID: 31697925 DOI: 10.1016/j.cryobiol.2019.11.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 11/02/2019] [Accepted: 11/02/2019] [Indexed: 02/02/2023]
Abstract
Embryo cryopreservation is a common practice in reproductive biology and infertility treatments. Despite major improvements over years, the cryoprotectant solutions are still a major source of concern, mostly due to their chemical toxicity and suboptimal protection against cryoinjuries. In this work, we introduced natural honey as a non-permeating cryoprotectant to replace traditionally used sucrose in embryo vitrification. The proposed media were compared with conventional ones by evaluating vitrified/warmed mouse embryos based on their re-expansion, hatching rate and transcription pattern of selected genes involved in heat-shock response, apoptosis and oxidative stress. Despite the similar high re-expansion rate, molecular fingerprint of the cryopreservation is remarkably reduced when honey is used instead of sucrose. The biological response of the proposed media was explained from a fundamental point of view using antioxidant analysis, DSC and GC techniques. It was found that the proposed honey-based medium is less thermodynamically prone to ice formation, which along with its antioxidant capacity can control the production of oxygen radicals and minimize the stress-induced transcriptional response. Furthermore, this work tries to correlate the physico-chemical properties of the vitrification solutions with the cellular and molecular aspects of the cryopreservation and proposes the application of natural cryoprotectants in cryobiology.
Collapse
Affiliation(s)
- Fatemeh Sarmadi
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran; Research Institute of the McGill University Health Center, McGill University, Montreal, Quebec, Canada
| | - Parinaz Kazemi
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran; Research Institute of the McGill University Health Center, McGill University, Montreal, Quebec, Canada
| | - Pouria Tirgar
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada
| | - Samaneh Fayazi
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Sadaf Esfandiari
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Leila Sotoodeh
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Shiva Molaeian
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Mojtaba Dashtizad
- Embryo Biotechnology Laboratory (EmBio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
| |
Collapse
|
13
|
Sehati R, Kazemi P, Zandi G, Mahdavinezhad F, Sarmadi F, Fayazi S, Hajarian H, Dashtizad M. Different Origin, Different Response: Gene Expression Pattern in Collapsed Vitrified Blastocyst. Reprod Biol 2019; 19:158-164. [PMID: 31196737 DOI: 10.1016/j.repbio.2019.05.001] [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: 08/21/2018] [Revised: 05/05/2019] [Accepted: 05/10/2019] [Indexed: 11/30/2022]
Abstract
There is a large body of animal experimental data about assisted reproductive techniques that could be applied to improve clinical outcomes. The great part of this information was obtained from research on in vivo-derived embryos. But whether these results are always similar with those we expect from embryos having in vitro origin in the clinical cases is a critical question. The present study was designed to compare the effects of vitrification (VIT) and artificial collapse (AC) as two commonly used techniques on in vivo- and in vitro-derived mouse embryos. In this regard, both origins of blastocysts were produced and randomly divided into three experimental groups, including control (non-vitrified), VIT, and AC-VIT. The survival and hatching rates and the expression of development-related genes were assessed in all groups and compared with their control counterpart. According to our results, although in vivo and in vitro origins followed the same pattern in the hatching rate, the real-time PCR data showed two distinct patterns of gene expression. Compared to the control, vitrification increased the expression of pluripotency genes in in vivo group. While in vitro vitrified blastocysts showed a significant reduction in the transcripts of these genes. More interestingly, although AC resulted in a sharp decrease of Gata6 and Grb2 in post warmed in vivo blastocysts, it could not affect the vitrified IVP ones. In conclusion, it seems that vitrification and artificial collapse techniques have different effects on embryo fate depending on in vivo or in vitro origins of the embryos.
Collapse
Affiliation(s)
- Ronak Sehati
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Parinaz Kazemi
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran; Research Institute of the McGill University Health Centre, McGill University, Montreal, Quebec, Canada
| | - Ghazaleh Zandi
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Forough Mahdavinezhad
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Fatemeh Sarmadi
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Samaneh Fayazi
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Hadi Hajarian
- Department of Animal Science, Razi University, Kermanshah, Iran
| | - Mojtaba Dashtizad
- Embryo Biotechnology Laboratory (Embio Lab), Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
| |
Collapse
|
14
|
Dorsch M, Wittur I, Garrels W. Success of embryo transfer in mice with freshly collected and cryopreserved two-cell embryos with different genetic backgrounds correlated with the number of transferred embryos: A 5-year retrospective analysis. Lab Anim 2019; 53:577-586. [PMID: 30866727 DOI: 10.1177/0023677219832922] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Embryo transfer of pre-implantation embryos to surrogate dams is a key technique for the hygienic sanitation of strains, cryopreservation, in vitro fertilization, genetic modification and engineering. However, the effects of several parameters, such as the number of transferred embryos, on the success of embryo transfer are not well studied. In this retrospective study, we reanalysed 1320 embryo transfers of two-cell embryos originating from genetically altered donors, which were performed under routine conditions in our facility over a period of 5 years. Of them, 453 embryo transfers were done with freshly collected embryos and 867 transfers were performed with cryopreserved embryos. Despite the fact that the genetic background of the embryo donors was quite heterogeneous, we found that the transfer of ≥ 21 embryos reduced the success of embryo transfers for freshly collected embryos in correlation with the number of pregnancies and born pups, whereas this was not the case for transfer in the cryopreservation group. Most pregnancies were achieved after embryo transfer of 10-20 freshly collected embryos (90.4%), which dropped to 37.5% if more embryos were transferred. The highest pregnancy rates in the cryopreservation group were achieved if 15-17 embryos were transferred (62.9%). Despite the fact that the precise substrains were only rarely defined, we confirmed that beside the number of transferred embryos, the genetic background of the donors had an influence on the success of embryo transfer. Significantly more embryos in a C57BL/6 background developed to term than embryos on a BALB/c background.
Collapse
Affiliation(s)
- Martina Dorsch
- Institute for Laboratory Animal Science, Hannover Medical School, Germany
| | - Isabell Wittur
- Institute for Laboratory Animal Science, Hannover Medical School, Germany
| | - Wiebke Garrels
- Institute for Laboratory Animal Science, Hannover Medical School, Germany
| |
Collapse
|
15
|
Widjiati W, Soeharsono S, Dhamayanti Y. The profiling of pre- and post-warming DNA in mouse embryos with microsatellite method. Vet World 2018; 11:1526-1531. [PMID: 30587884 PMCID: PMC6303499 DOI: 10.14202/vetworld.2018.1526-1531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 09/24/2018] [Indexed: 01/09/2023] Open
Abstract
Aims: This research aimed to identify the deoxyribonucleic acid (DNA) profile and changes of post-warming embryo after being frozen with vitrification method using microsatellite method. Materials and Methods: This research examined the mouse embryo blastocysts that were divided into four groups: Post-warming living blastocyst, post-warming living blastocyst with half fragmented cell, post-warming dead blastocyst, and pre-freezing living blastocyst. The isolation sample applied phenol-chloroform method. After obtaining polymerase chain reaction results, all the samples of pre-freezing fresh embryo, post-warming living embryo, dead embryo, and degenerated embryo were then examined by single-strand conformation polymorphism (SSCP). Results: The amplification with D18mit14 primer was 100 bp and 150bp with D18mit87 primer, 150bp with D7mit22, and 300bp with D7mit25. The result of SSCP with D18mit14 primer showed that the blastocysts were fragmented and dead after warming process and formed into two DNA strand fragments, while the fresh embryos which passed freezing process did not form any fragment. D18mit87 primer SSCP indicated different fragments for each treatment. The result of SSCP using D7mit22 formed two different fragments for each treatment. While using D7mit25, the SSCP result formed some different fragments for each sample. Post-warming living embryo had similar ribbon to pre-freezing fresh embryo. Conclusion: D7mit222, D7mit25, and D18mit87 primers could be used as the aneuploidy marker on mouse embryos that were induced by post-warming process. The profile of living blastocyst, dead blastocyst, and post-warming fragmented blastocyst had different DNA tapes.
Collapse
Affiliation(s)
- Widjiati Widjiati
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine University of Airlangga, Surabaya, Indonesia
| | - Soeharsono Soeharsono
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine University of Airlangga, Surabaya, Indonesia
| | - Yeni Dhamayanti
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine University of Airlangga, Surabaya, Indonesia
| |
Collapse
|
16
|
Bartolac LK, Lowe JL, Koustas G, Grupen CG, Sjöblom C. Vitrification, not cryoprotectant exposure, alters the expression of developmentally important genes in in vitro produced porcine blastocysts. Cryobiology 2017; 80:70-76. [PMID: 29221996 DOI: 10.1016/j.cryobiol.2017.12.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 11/10/2017] [Accepted: 12/04/2017] [Indexed: 10/18/2022]
Abstract
The vitrification of embryos is common practice in advanced livestock breeding programs and in human fertility clinics. Recent studies have revealed that vitrification results in aberrant expression of a number of stress related genes. However, few studies have examined the effect that vitrification has on developmentally important genes, and none have been conducted in porcine embryos. The aim of this study was to determine the effects that different vitrification procedures and cryoprotectant combinations have on the expression of imprinted genes in in vitro produced (IVP) porcine blastocysts. The transcript levels of insulin-like growth factor 2 (IGF2) were lower in all groups of vitrified blastocysts compared to that in non-vitrified control blastocysts (P < 0.05). Expression levels of IGF2 and IGF2 receptor (IGF2R) in blastocysts that had been exposed to cryoprotectants without being vitrified were similar to that in non-vitrified control blastocysts (P > 0.05). Furthermore, blastocysts vitrified using ethylene glycol and propanediol combined, and those vitrified in a closed device, had IGF2R transcript levels similar to that in non-vitrified control blastocysts (P > 0.05). In conclusion, vitrification, but not exposure to cryoprotectants, caused aberrant expression of the imprinted genes IGF2 and IGF2R. Vitrification protocols that incorporated propanediol or a closed device were found to be least disruptive of gene expression in IVP porcine blastocysts.
Collapse
Affiliation(s)
- Louise K Bartolac
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia; Westmead Fertility Centre, Westmead Hospital, Westmead, NSW 2145, Australia
| | - Jenna L Lowe
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia
| | - George Koustas
- Westmead Fertility Centre, Westmead Hospital, Westmead, NSW 2145, Australia
| | - Christopher G Grupen
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camden, NSW 2570, Australia.
| | - Cecilia Sjöblom
- Westmead Fertility Centre, Westmead Hospital, Westmead, NSW 2145, Australia
| |
Collapse
|
17
|
Kyono K, Hashimoto T, Toya M, Koizumi M, Sasaki C, Shibasaki S, Aono N, Nakamura Y, Obata R, Okuyama N, Ogura Y, Igarashi H. A transportation network for human ovarian tissue is indispensable to success for fertility preservation. J Assist Reprod Genet 2017; 34:1469-1474. [PMID: 28866830 PMCID: PMC5699996 DOI: 10.1007/s10815-017-1022-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Accepted: 08/11/2017] [Indexed: 12/31/2022] Open
Abstract
PURPOSE The purpose of this study was to examine the efficacy of an ovarian tissue transportation network for fertility preservation (FP) for cancer patients in Japan. METHODS PubMed was searched for papers on transportation of human ovarian tissue for FP. We analyzed population, area, number of cancer patients for ovarian tissue cryopreservation (OTC), quality control/assessment and safety, cost of a cryopreservation center for the building for 30 years, and medical fees of cancer patients (operation, cryopreservation, and storage of ovarian tissue). RESULTS More than twenty babies have been born in Denmark and Germany through a transportation system. Up to 400 new patients a year need OTC. The fees for removal, cryopreservation, and storage for 5 years, and transplantation of ovarian tissue are around €5,000, €4,000, and €5,000, respectively. It costs more than €5 million to establish and maintain one cryopreservation center for 30 years. If we have a few cryopreservation centers in Japan, we can cryopreserve 400 patients' ovarian tissue per year by safer slow freezing and maintain quality control/assessment. We need to lighten the patients' burden for easy to use FP by a government subsidy and medical insurance coverage. CONCLUSIONS This model has been termed the Danish model ("the woman stays - the tissue moves"). This is truly patient-centered medicine. We can have maximum effects with the minimum burden. A transportation network like those of Denmark and Germany is the best strategy for FP in Japan. It may be the best system for cancer patients, medical staff, and the Ministry of Health, Labor, and Welfare.
Collapse
Affiliation(s)
- K Kyono
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan.
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan.
| | - T Hashimoto
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - M Toya
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - M Koizumi
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - C Sasaki
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - S Shibasaki
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - N Aono
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - Y Nakamura
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - R Obata
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - N Okuyama
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - Y Ogura
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| | - H Igarashi
- Kyono ART Clinic Takanawa, Takanawa Court 5F, 3-13-1 Takanawa, Minatoku, Tokyo, 108-0074, Japan
- Kyono ART Clinic, 1-1-1-3F, Honcho, Aobaku, Sendai, Miyagi, 980-0014, Japan
| |
Collapse
|
18
|
Shavit T, Oron G, Weon-Young S, Holzer H, Tulandi T. Vitrified-warmed single-embryo transfers may be associated with increased maternal complications compared with fresh single-embryo transfers. Reprod Biomed Online 2017; 35:94-102. [PMID: 28427857 DOI: 10.1016/j.rbmo.2017.03.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 03/15/2017] [Accepted: 03/21/2017] [Indexed: 12/22/2022]
Abstract
Cryopreservation of embryos allows single-embryo transfer and storage of supernumerary embryos, maximizing cumulative pregnancy rates. The purpose of this retrospective cohort study was to compare pregnancy outcome in singletons born after fresh or vitrified-warmed single blastocyst transfer (SBT). Singleton live births resulting from SBT of fresh or vitrified-warmed embryos were compared. Primary outcomes were perinatal outcomes including small for gestational age (SGA), low birthweight, preterm deliveries (PTD), large for gestational age (LGA) and congenital malformations. Maternal complications included pre-eclampsia, placenta previa, placental abruption, gestational diabetes mellitus (GDM) and chorioamnionitis. Adjustment for confounding factors was performed. Of 1886 fresh SBTs and 1200 vitrified-warmed SBTs during the study period, vitrified-warmed SBTs compared with fresh SBTs resulted in significantly lower clinical pregnancy rate (P < 0.0001). Live birth and miscarriage rates calculated only for pregnancy with known outcome revealed lower live birth rates and higher miscarriage rates for the vitrified-warmed group. Perinatal complications were calculated for clinical pregnancies with known outcomes (12.9% catchment failure was excluded from analysis). The vitrified-warmed group showed a trend toward higher rates of pre-eclampsia, GDM, Caesarean delivery and LGA neonates. Rates of PTD and SGA were comparable. In conclusion, vitrified-warmed SBT might be associated with increased feto-maternal complications.
Collapse
Affiliation(s)
- Tal Shavit
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Galia Oron
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Son Weon-Young
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada
| | - Hananel Holzer
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada
| | - Togas Tulandi
- Department of Obstetrics and Gynecology, McGill University, Montreal, QC, Canada
| |
Collapse
|
19
|
Zhou G, Zeng Y, Guo J, Meng Q, Meng Q, Jia G, Cheng K, Zeng C, Zhang M, Liu G, Zhu S. Vitrification transiently alters Oct-4, Bcl2 and P53 expression in mouse morulae but does not affect embryo development in vitro. Cryobiology 2016; 73:120-5. [PMID: 27590081 DOI: 10.1016/j.cryobiol.2016.08.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2016] [Revised: 08/26/2016] [Accepted: 08/28/2016] [Indexed: 01/08/2023]
Abstract
This study was conducted to determine the impact of vitrification on the expression of genes regulating pluripotency and apoptosis in mouse morulae. The morulae were randomly allocated into three groups: (1) untreated (control), (2) exposed to vitrification solution without freezing (toxicity), or (3) vitrified by open-pulled straw method (vitrification). In vitro development was evaluated by morphology and assessed by the blastocyst rate and the blastocyst total cell number. Gene expression in morulae and blastocysts was assessed by quantitative Real Time-PCR (qRT-PCR) and western blot. The results showed that at morulae stage, the POU class 5 homeobox1 (Oct-4) and B-cell lymphoma2 (Bcl2) mRNA levels of vitrification group were significantly lower (P < 0.05) than those of control. Strikingly, the p53 mRNA level was significantly higher in vitrification group. However, the Oct-4, Bcl2 and p53 mRNA levels in mouse blastocysts were not statistically different. Furthermore, western blot results showed that there was no significant difference in Oct-4, Bcl2 and p53 expression at protein level in mouse morulae among three groups. Additionally, the blastocyst rate (96.67%-100.00%) and the average cell number of blastocysts (89.67-92.33) were similar between all groups. The data demonstrate that vitrification transiently changes the mRNA expression of several key genes in mouse morulae regulating early embryo development but does not affect embryo developmental potential in vitro.
Collapse
Affiliation(s)
- Guangbin Zhou
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, PR China.
| | - Yan Zeng
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, PR China; College of Animal Science and Technology, Southwest University, Chongqing 400715, PR China
| | - Jiang Guo
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Qinggang Meng
- Department of Animal, Dairy and Veterinary Sciences, Utah State University, Logan, UT, USA
| | - Qingyong Meng
- State Key Laboratory of AgroBiotechnology, China Agricultural University, Beijing 100193, PR China
| | - Gongxue Jia
- Key Laboratory of Adaption and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810001, PR China
| | - Keren Cheng
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, PR China
| | - Changjun Zeng
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Ming Zhang
- Institute of Animal Genetics and Breeding, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, PR China
| | - Guoshi Liu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, PR China
| | - Shi'en Zhu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, PR China
| |
Collapse
|
20
|
Shimoda Y, Kumagai J, Anzai M, Kabashima K, Togashi K, Miura Y, Shirasawa H, Sato W, Kumazawa Y, Terada Y. Time-lapse monitoring reveals that vitrification increases the frequency of contraction during the pre-hatching stage in mouse embryos. J Reprod Dev 2016; 62:187-93. [PMID: 26806421 PMCID: PMC4848576 DOI: 10.1262/jrd.2015-150] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Contraction during the blastocyst stage is observed during embryonic development of various mammals, including humans, but the physiological role of this process is not well understood. Using time-lapse monitoring (TLM), we studied the influence of vitrification and contractions on embryonic development in mice. Mouse embryos were cultured at the 2-cell stage. At the 8-cell stage, embryos were randomly divided into a fresh group (FG) and vitrified group (VG) and observed for up to 144 h. Strong contractions (i.e., contractions causing a decrease in volume of more than 20% and expansion of the perivitelline space) occurred significantly more often in unhatched embryos than hatching embryos in both groups. Regarding hatching embryos, contractions in the pre-hatching stage were significantly more frequent in the VG than the FG. Furthermore, mRNA expression levels of genes related to contractions were determined at three time points, the 8-cell stage, early blastocyst stage, and 20 h after blastocoel formation, with quantitative reverse transcription-polymerase chain reaction. There was no significant difference in Hspa1a expression between the FG and VG, but Hspa1a overexpression was observed just after thawing and tended to decrease gradually thereafter in some blastocysts. Furthermore, in the VG, Atp1a1 tended to show higher expression in the strong contraction group than in the weak contraction group. Overall, vitrification is an excellent method for cryopreservation but could increase contractions in the pre-hatching stage and may increase energy demands of the embryo. Observation of contraction by TLM may improve the evaluation of embryo quality.
Collapse
Affiliation(s)
- Yuki Shimoda
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Akita University, Akita 010-8543, Japan
| | | | | | | | | | | | | | | | | | | |
Collapse
|
21
|
Cordeiro RM, Stirling S, Fahy GM, de Magalhães JP. Insights on cryoprotectant toxicity from gene expression profiling of endothelial cells exposed to ethylene glycol. Cryobiology 2015; 71:405-12. [DOI: 10.1016/j.cryobiol.2015.10.142] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Revised: 09/12/2015] [Accepted: 10/11/2015] [Indexed: 11/29/2022]
|
22
|
de Oliveira Leme L, Dufort I, Spricigo JFW, Braga TF, Sirard MA, Franco MM, Dode MAN. Effect of vitrification using the Cryotop method on the gene expression profile of in vitro-produced bovine embryos. Theriogenology 2015; 85:724-33.e1. [PMID: 26553569 DOI: 10.1016/j.theriogenology.2015.10.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2015] [Revised: 10/08/2015] [Accepted: 10/08/2015] [Indexed: 01/11/2023]
Abstract
The present study analyzed the changes in gene expression induced by the Cryotop vitrification technique in bovine blastocyst-stage embryos, using Agilent EmbryoGENE microarray slides. Bovine in vitro-produced embryos were vitrified and compared with nonvitrified (control) embryos. After vitrification, embryos were warmed and cultured for an additional 4 hours. Survived embryos were used for microarray analysis and quantitative polymerase chain reaction (qPCR) quantification. Survival rates were higher (P < 0.05) in the control embryos (100%) than in the vitrified embryos (87%). Global gene expression analysis revealed that only 43 out of 21,139 genes exhibited significantly altered expression in the vitrified embryos compared to the control embryos, with a very limited fold change (P < 0.05). A total of 10 genes were assessed by qPCR. Only the FOS-like antigen 1 (FOSL1) gene presented differential expression (P < 0.05) according to both the array and qPCR methods, and it was overexpressed in vitrified embryos. Although, the major consequence of vitrification seems to be the activation of the apoptosis pathway in some cells. Indeed, FOSL1 is part of the activating protein 1 transcription factor complex and is implicated in a variety of cellular processes, including proliferation, differentiation, and apoptosis. Therefore, our results suggest that a limited increase in the rate of apoptosis was the only detectable response of the embryos to vitrification stress.
Collapse
Affiliation(s)
- Ligiane de Oliveira Leme
- School of Agriculture and Veterinary Medicine, University of Brasilia, Brasília, Federal District, Brazil
| | - Isabelle Dufort
- Centre de Recherche en Biologie de la Reproduction, Faculté des Sciences de l'Agriculture et de l'Alimentation, Département des Sciences Animales, Pavillon INAF, Université Laval, Québec City, Quebec, Canada
| | | | - Thiago Felipe Braga
- School of Agriculture and Veterinary Medicine, University of Brasilia, Brasília, Federal District, Brazil
| | - Marc-André Sirard
- Centre de Recherche en Biologie de la Reproduction, Faculté des Sciences de l'Agriculture et de l'Alimentation, Département des Sciences Animales, Pavillon INAF, Université Laval, Québec City, Quebec, Canada
| | - Maurício Machaim Franco
- Embrapa Genetic Resources and Biotechnology, Laboratory of Animal Reproduction, Brasília, Federal District, Brazil
| | - Margot Alves Nunes Dode
- School of Agriculture and Veterinary Medicine, University of Brasilia, Brasília, Federal District, Brazil; Embrapa Genetic Resources and Biotechnology, Laboratory of Animal Reproduction, Brasília, Federal District, Brazil.
| |
Collapse
|
23
|
Endoplasmic reticulum stress signaling in mammalian oocytes and embryos: life in balance. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2015; 316:227-65. [PMID: 25805126 DOI: 10.1016/bs.ircmb.2015.01.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Mammalian oocytes and embryos are exquisitely sensitive to a wide range of insults related to physical stress, chemical exposure, and exposures to adverse maternal nutrition or health status. Although cells manifest specific responses to various stressors, many of these stressors intersect at the endoplasmic reticulum (ER), where disruptions in protein folding and production of reactive oxygen species initiate downstream signaling events. These signals modulate mRNA translation and gene transcription, leading to recovery, activation of autophagy, or with severe and prolonged stress, apoptosis. ER stress signaling has recently come to the fore as a major contributor to embryo demise. Accordingly, agents that modulate or inhibit ER stress signaling have yielded beneficial effects on embryo survival and long-term developmental potential. We review here the mechanisms of ER stress signaling, their connections to mammalian oocytes and embryos, and the promising indications that interventions in this pathway may provide new opportunities for improving mammalian reproduction and health.
Collapse
|
24
|
Kopeika J, Thornhill A, Khalaf Y. The effect of cryopreservation on the genome of gametes and embryos: principles of cryobiology and critical appraisal of the evidence. Hum Reprod Update 2014; 21:209-27. [DOI: 10.1093/humupd/dmu063] [Citation(s) in RCA: 171] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
|
25
|
Reed ML, Said AH, Thompson DJ, Caperton CL. Large-volume vitrification of human biopsied and non-biopsied blastocysts: a simple, robust technique for cryopreservation. J Assist Reprod Genet 2014; 32:207-14. [PMID: 25464896 DOI: 10.1007/s10815-014-0395-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 11/24/2014] [Indexed: 02/02/2023] Open
Abstract
PURPOSE To evaluate the transition from a proven slow-cooling cryopreservation method to a commercial large-volume vitrification system for human blastocysts. METHODS Retrospective analysis of de-identified laboratory and clinical data from January 2012 to present date for all frozen embryo replacement (FET) cycles was undertaken. Cryopreservation of trophectoderm-biopsied or non-biopsied blastocysts utilized during this time period was logged as either slow-cooling, small-volume vitrification, or large-volume vitrification. Blastocyst survival post-warm or post-thaw, clinical pregnancy following FET, and implantation rates were identified for each respective cryopreservation method. RESULTS Embryo survival was highest for large-volume vitrification compared to micro-volume vitrification and slow-cooling; 187/193 (96.9 %), 27/32 (84.4 %), and 244/272 (89.7 %), respectively. Survival of biopsied and non-biopsied blastocysts vitrified using the large-volume system was 105/109 (96.3 %) and 82/84 (97.6 %), respectively. Survival for micro-volume biopsied and non-biopsied blastocysts was 16/30 (83.3 %) and 2/2 (100.0 %) respectively. Slow-cooling post-thaw embryo survival was 272/244 (89.7 %). Clinical pregnancy and implantation rates outcomes for non-biopsied embryos were similar between large-volume and slow-cooling cryopreservation methods, 18/39 (46.2 %) clinical pregnancy and 24/82 (29.3 %) implantation/embryo, and 52/116 (44.8 %) clinical pregnancy and 67/244 (27.5 %) implantation/embryo, respectively. Comparing outcomes for biopsied embryos, clinical pregnancy and implantation rates were 39/67 (58.2 %) clinical pregnancy and 50/105 (47.6 %) implantation/embryo and 4/16 (25 %) clinical pregnancy and 6/25 (24.0 %) implantation/embryo, respectively. CONCLUSIONS The LifeGlobal large-volume vitrification system proved to be very reliable, simple to learn and implement in the laboratory. Clinically large-volume vitrification was as, or more effective compared to slow-cooling cryopreservation in terms of recovery of viable embryos in this laboratory.
Collapse
Affiliation(s)
- Michael L Reed
- Center for Reproductive Medicine of New Mexico, 201 Cedar Street SE, Suite S1-20, Albuquerque, NM, 87106, USA,
| | | | | | | |
Collapse
|
26
|
Saenz-de-Juano M, Peñaranda D, Marco-Jiménez F, Vicente J. Does vitrification alter the methylation pattern of OCT4 promoter in rabbit late blastocyst? Cryobiology 2014; 69:178-80. [DOI: 10.1016/j.cryobiol.2014.06.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 05/15/2014] [Accepted: 06/04/2014] [Indexed: 11/16/2022]
|
27
|
Saenz-de-Juano MD, Marco-Jimenez F, Schmaltz-Panneau B, Jimenez-Trigos E, Viudes-de-Castro MP, Peñaranda DS, Jouneau L, Lecardonnel J, Lavara R, Naturil-Alfonso C, Duranthon V, Vicente JS. Vitrification alters rabbit foetal placenta at transcriptomic and proteomic level. Reproduction 2014; 147:789-801. [DOI: 10.1530/rep-14-0019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Although numerous studies have demonstrated that cryopreservation alters gene expression, less is known about those embryos that implanted successfully and continued in gestation. To raise the question of the neutrality of this technique, we examine the effects of vitrification through gestation in rabbit before and after the implantation. We monitored the distribution of losses of 569 vitrified morulae, observing that embryos which reach the last pre-implantatory stage are able to implant. However, we found that not all implanted embryos had the ability to continue with their gestation. The results reveal that vitrification decreased foetus and maternal placenta weights at mid-gestation, but led to a higher offspring birth weight. A novel finding is that while no differences in gene expression were detected in pre-implantatory embryos at day 6, vitrification affects a gene and protein expression in the placenta at day 14. Our results for first time reveal strong evidence of modifications in implanted embryos subjected to vitrification, suggesting that the crucial step that vitrified embryos must overcome is the placenta formation. On the basis of these findings, our work leaves the question open as to whether the effects we observed that cause vitrification during foetal development could give rise to some type of physiological or metabolic alteration in adulthood.
Collapse
|
28
|
Saenz-de-Juano MD, Marco-Jimenez F, Viudes-de-Castro MP, Lavara R, Vicente JS. Direct Comparison of the Effects of Slow Freezing and Vitrification on Late Blastocyst Gene Expression, Development, Implantation and Offspring of Rabbit Morulae. Reprod Domest Anim 2014; 49:505-11. [DOI: 10.1111/rda.12320] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Accepted: 03/21/2014] [Indexed: 12/26/2022]
Affiliation(s)
- MD Saenz-de-Juano
- Instituto de Ciencia y Tecnología Animal; Universidad Politécnica de Valencia; Valencia Spain
| | - F Marco-Jimenez
- Instituto de Ciencia y Tecnología Animal; Universidad Politécnica de Valencia; Valencia Spain
| | - MP Viudes-de-Castro
- Centro de Investigación y Tecnología Animal; Instituto Valenciano de Investigaciones Agrarias; Segorbe Spain
| | - R Lavara
- Instituto de Ciencia y Tecnología Animal; Universidad Politécnica de Valencia; Valencia Spain
| | - JS Vicente
- Instituto de Ciencia y Tecnología Animal; Universidad Politécnica de Valencia; Valencia Spain
| |
Collapse
|
29
|
Vicente J, Saenz-de-Juano M, Jiménez-Trigos E, Viudes-de-Castro M, Peñaranda D, Marco-Jiménez F. Rabbit morula vitrification reduces early foetal growth and increases losses throughout gestation. Cryobiology 2013; 67:321-6. [DOI: 10.1016/j.cryobiol.2013.09.165] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 09/17/2013] [Accepted: 09/17/2013] [Indexed: 12/28/2022]
|
30
|
Zander-Fox D, Lane M, Hamilton H. Slow freezing and vitrification of mouse morula and early blastocysts. J Assist Reprod Genet 2013; 30:1091-8. [PMID: 23888311 DOI: 10.1007/s10815-013-0056-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Accepted: 07/10/2013] [Indexed: 10/26/2022] Open
Abstract
PURPOSE To assess the relative success of morula and early blastocyst slow freezing and vitrification in regards to survival and implantation rates utilising protocols which could be clinically implemented as a viable alternative to expanded blastocyst stage freezing. METHODS Mouse morula and early blastocysts were either slow frozen/thawed or vitrified/warmed. Their subsequent survival, blastocyst development and blastocyst cell number and allocation to either the inner cell mass, trophectoderm or epiblast was assessed. In addition blastocysts were also transferred to pseudopregnant recipients and implantation and fetal development was determined. RESULTS Vitrification of both morula and early blastocysts resulted in significantly higher rates of survival and blastocyst development compared to slow freezing. In addition slow frozen early blastocysts had significantly reduced blastocyst cell number compared to control however vitrified morula and early blasocyts and slow frozen morula had equivocal blastocyst cell numbers. Transfer of blastocysts from both methods of cryopreservation resulted in similar implantation rates however the placentas created from slow frozen early blastocysts were significantly lighter than control (95.5 g ± 5.4 vs. 122.0 g ± 4.2 respectively). CONCLUSIONS Vitrification resulted in significantly higher rates of morula and early blastocyst survival and blastocyst development compared to slow freezing. In addition this study has validated the use of a closed DMSO free vitrification protocol which could then be investigated for use in the clinical setting as an alternative to expanded blastocyst freezing.
Collapse
Affiliation(s)
- Deirdre Zander-Fox
- Repromed Department of R&D, 180 Fullarton Road, Dulwich, South Australia, Australia,
| | | | | |
Collapse
|
31
|
Does prepubertal testicular tissue vitrification influence spermatogonial stem cells (SSCs) viability? J Assist Reprod Genet 2013; 30:1271-7. [PMID: 23877786 DOI: 10.1007/s10815-013-0050-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2013] [Accepted: 07/08/2013] [Indexed: 12/20/2022] Open
Abstract
PURPOSE Testicular cryopreservation prior to chemotherapy or radiotherapy in children with cancer is one of the ways to preserve fertility. However, cryopreservation may cause damage to the testicular parenchyma cells. The objective of this study was to investigate effects of vitrification on the intracellular LDH leakage, cell cycle/apoptotic responses and apoptosis-related gene expression patterns in the spermatogonial stem cells (SSCs) obtained from the vitrified testis. METHODS The testes of the mice pups (6-day-old, BALB/c) both vitrified and fresh groups were digested with enzymes (collagenase, DNaseΙ, trypsin-EDTA) to disperse the cells. The SSCs, type A, were isolated from the rest of testicular cells by MACS. The amount of damage to the SSCs immediately was evaluated by Cytotoxicity assay, Flow cytometry assay and Real-time PCR. RESULTS The intracellular LDH leakage in the SSCs,harvested from the vitrified testes, was less reported compared with the fresh ones. Moreover, the percentage of apoptotic and necrotic SSCs obtained from the vitrified testes was lower than that of yielded from the fresh samples. Also, the apoptosis-related genes of the SSCs,collected from the vitrified testes, changed their expression profile as increasing P53 and BCL-2 expression levels and decreasing Bax and Fas expression levels. CONCLUSIONS The study indicates that vitrification of prepubertal testicular tissue does not increase the expression profile of apoptosis-related genes such as Bax and Fas in the testicular SSCs consistent with diminished cell apoptotic/necrotic responses and no increasing intracellular LDH leakage.
Collapse
|
32
|
Katz-Jaffe MG, Parks J, McCallie B, Schoolcraft WB. Aging sperm negatively impacts in vivo and in vitro reproduction: a longitudinal murine study. Fertil Steril 2013; 100:262-8.e1-2. [PMID: 23579004 DOI: 10.1016/j.fertnstert.2013.03.021] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Revised: 02/07/2013] [Accepted: 03/11/2013] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To investigate the impact of paternal aging on reproductive success. DESIGN Animal study. SETTING Research facility. ANIMAL(S) Outbred CF1 mice. INTERVENTION(S) Ten young male mice with proven fertility were mated routinely over 15 months with superovulated young females to assess in vivo and in vitro reproductive outcome. MAIN OUTCOME MEASURE(S) In vivo fertilization, in vivo fetal development, in vitro embryo morphology, and developmental outcome were assessed. RESULT(S) There were no differences observed for any reproductive end point until the paternal age of 12 months. At 12-15 months, in vivo fertilization was significantly decreased (35% vs. 78% at <12 months). Natural matings with males ≥ 12 months revealed significantly smaller fetuses (11.36 mm vs. 14.73 mm <12 months) and placental weight (0.10 g vs. 0.13 g at <12 months). In vitro blastocyst development showed a significant decline at ≥ 12 months, and in vitro blastocyst transfer resulted in a significant increase in pregnancy loss with males ≥ 12 months (61.5% vs. 0% at <12 months). In addition, the expression levels of Ace-1, Prm1, Prm2, and Smcp were observed to be decreased in sperm from males ≥ 12 months compared with young male control subjects. CONCLUSION(S) Results from this study indicate an abrupt reproductive deterioration at paternal midlife, with an adverse effect observed on natural conception, in vitro blastocyst development, implantation potential, and fetal viability.
Collapse
|
33
|
Comparison of the clinical outcomes between fresh blastocyst and vitrified-thawed blastocyst transfer. J Assist Reprod Genet 2012. [PMID: 23188411 DOI: 10.1007/s10815-012-9874-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
OBJECTIVE To compare the clinical outcomes between fresh and vitrified-thawed day 5 blastocyst transfers. DESIGN Retrospective case control study. SETTING Tertiary referral center. PATIENT(S) Patients 38 years of age or less who underwent IVF/ICSI cycles with fresh or frozen-thawed blastocysts transferred from June 1, 2009 to November 30, 2011 INTERVENTION(S) Vitrification and thawing of day 5 blastocysts using the Cryotop method. (Kitazato BioPharma Co., Ltd., Fuji city, Shizuoka, Japan) MAIN OUTCOME MEASURE(S) Clinical pregnancy rate, implantation rate, ongoing pregnancy rate, and multiple pregnancy rates. RESULTS Of the 118 cycles in the fresh transfer group, 234 blastocysts were transferred. The clinical pregnancy rate was 66.1 % and implantation rate was 50.9 %. The ongoing pregnancy rate was 56.8 % and the rates for singleton and twin pregnancies were 53.7 % and 44.8 %. Of the 59 cycles in the vitrified-thawed group, 111 blastocysts were transferred. The clinical pregnancy rate was 59.3 % and implantation rate was 43.2 %. The ongoing pregnancy rate was 47.5 % and the rates for singleton and twin pregnancies were 60.7 % and 39.3 %. The clinical pregnancy rate, implantation rate and ongoing pregnancy rate did not differ significantly between the two groups. CONCLUSIONS The implantation rates were not significantly different between the fresh and the vitrified-thawed groups. Thus, single embryo transfer may be considered in fresh cycles to decrease multiple pregnancy rates. The surplus embryos should be vitrified for the frozen embryo transfer to improve the cumulative pregnancy rate.
Collapse
|
34
|
Saenz-de-Juano MD, Marco-Jiménez F, Peñaranda DS, Joly T, Vicente JS. Effects of Slow Freezing Procedure on Late Blastocyst Gene Expression and Survival Rate in Rabbit1. Biol Reprod 2012; 87:91. [DOI: 10.1095/biolreprod.112.100677] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
|