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Asadi E, Najafi A, Benson JD. Exogenous Melatonin Ameliorates the Negative Effect of Osmotic Stress in Human and Bovine Ovarian Stromal Cells. Antioxidants (Basel) 2022; 11:antiox11061054. [PMID: 35739950 PMCID: PMC9219940 DOI: 10.3390/antiox11061054] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/20/2022] [Accepted: 05/24/2022] [Indexed: 11/30/2022] Open
Abstract
Ovarian tissue cryopreservation transplantation (OTCT) is the most flexible option to preserve fertility in women and children with cancer. However, OTCT is associated with follicle loss and an accompanying short lifespan of the grafts. Cryopreservation-induced damage could be due to cryoprotective agent (CPA) toxicity and osmotic shock. Therefore, one way to avoid this damage is to maintain the cell volume within osmotic tolerance limits (OTLs). Here, we aimed to determine, for the first time, the OTLs of ovarian stromal cells (OSCs) and their relationship with reactive oxygen species (ROS) and mitochondrial respiratory chain activity (MRCA) of OSCs. We evaluated the effect of an optimal dose of melatonin on OTLs, viability, MRCA, ROS and total antioxidant capacity (TAC) of both human and bovine OSCs in plated and suspended cells. The OTLs of OSCs were between 200 and 375 mOsm/kg in bovine and between 150 and 500 mOsm/kg in human. Melatonin expands OTLs of OSCs. Furthermore, melatonin significantly reduced ROS and improved TAC, MRCA and viability. Due to the narrow osmotic window of OSCs, it is important to optimize the current protocols of OTCT to maintain enough alive stromal cells, which are necessary for follicle development and graft longevity. The addition of melatonin is a promising strategy for improved cryopreservation media.
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Molecular and Histological Evaluation of Sheep Ovarian Tissue Subjected to Lyophilization. Animals (Basel) 2021; 11:ani11123407. [PMID: 34944182 PMCID: PMC8697944 DOI: 10.3390/ani11123407] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/19/2021] [Accepted: 11/26/2021] [Indexed: 12/18/2022] Open
Abstract
Simple Summary Freeze-drying (or lyophilization) is a method to preserve cells and tissues in which frozen material is dried by sublimation of ice. One of the main advantages is that nitrogen and dry ice are no longer required for the storage and shipment of biological material, which can be kept at room temperature or 4 °C, resulting in enormous reductions in costs. Although widely used to preserve biomolecules and macromolecular assemblies, freeze-drying of cells and tissues is currently experimental. Here, we lyophilized sheep ovarian tissue with a novel device named Darya and assessed effects on tissue integrity and gene expression. We show that ovarian tissue survives lyophilization procedures, maintaining its general structure and reacting to the different experimental steps by regulation of specific genes. Our results contribute to the optimization of protocols to freeze-dry ovarian tissues and may find application in programs of animal and human reproductive tissue preservation. Abstract Cryopreservation is routinely used to preserve cells and tissues; however, long time storage brings many inconveniences including the use of liquid nitrogen. Freeze-drying could enable higher shelf-life stability at ambient temperatures and facilitate transport and storage. Currently, the possibility to freeze-dry reproductive tissues maintaining vitality and functions is still under optimization. Here, we lyophilized sheep ovarian tissue with a novel device named Darya and a new vitrification and drying protocol and assessed effects on tissue integrity and gene expression. The evaluation was performed immediately after lyophilization (Lio), after rehydration (LR0h) or after two hours of in vitro culture (IVC; LR2h). The tissue survived lyophilization procedures and maintained its general structure, including intact follicles at different stages of development, however morphological and cytoplasmic modifications were noticed. Lyophilization, rehydration and further IVC increasingly affected RNA integrity and caused progressive morphological alterations. Nevertheless, analysis of a panel of eight genes showed tissue survival and reaction to the different procedures by regulation of specific gene expression. Results show that sheep ovarian tissue can tolerate the applied vitrification and drying protocol and constitute a valid basis for further improvements of the procedures, with the ultimate goal of optimizing tissue viability after rehydration.
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Aguiar FLN, Gastal GDA, Alves KA, Alves BG, Figueiredo JR, Gastal EL. Supportive techniques to investigate in vitro culture and cryopreservation efficiencies of equine ovarian tissue: A review. Theriogenology 2020; 156:296-309. [PMID: 32891985 DOI: 10.1016/j.theriogenology.2020.06.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 06/27/2020] [Indexed: 12/22/2022]
Abstract
During the reproductive lifespan of a female, only a limited quantity of oocytes are naturally ovulated; therefore, the mammalian ovary possesses a substantial population of preantral follicles available to be handled and explored in vitro. Hence, the manipulation of preantral follicles enclosed in ovarian tissue aims to recover a considerable population of oocytes of high-value animals for potential application in profitable assisted reproductive technologies (ARTs). For this purpose, the technique of preantral follicle in vitro culture (IVC) has been the most common research tool, achieving extraordinary results with offspring production in the mouse model. Although promising outcomes have been generated in livestock animals after IVC of preantral follicles, the quantity and quality of embryo production with those oocytes are still poor. In recent years, the mare has become an additional model for IVC studies due to remarkable similarities with women and livestock animals regarding in vivo and in vitro ovarian folliculogenesis. For a successful IVC system, several factors should be carefully considered to provide an optimum culture environment able to support the viability and growth of preantral follicles enclosed in ovarian tissue. The cryopreservation of the ovarian tissue is another important in vitro manipulation technique that has been used to preserve the reproductive potential in humans and, in the future, may be used in highly valuable domestic animals or endangered species. Several improvements in cryopreservation protocols are necessary to support the utilization of ovarian tissue of different species in follow-up ARTs (e.g., ovarian fragment transplantation). This review aims to provide an update on the most current advances regarding supportive in vitro techniques used in equids to evaluate and manipulate preantral follicles and ovarian tissue, as well as methodological approaches used during IVC and cryopreservation techniques.
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Affiliation(s)
- F L N Aguiar
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA; Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), Faculty of Veterinary Medicine, State University of Ceará, Fortaleza, Ceará, Brazil; Department of Veterinary Medicine, Sousa Campus, Federal Institute of Education, Science and Technology of Paraíba, Sousa, Paraíba, Brazil.
| | - G D A Gastal
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA; National Institute of Agricultural Research, INIA La Estanzuela, Colonia, Uruguay
| | - K A Alves
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA; Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), Faculty of Veterinary Medicine, State University of Ceará, Fortaleza, Ceará, Brazil; Postgraduate Program of Gynecology and Obstetrics, Medical School, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - B G Alves
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA; Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), Faculty of Veterinary Medicine, State University of Ceará, Fortaleza, Ceará, Brazil; Animal Bioscience Postgraduate Program, Federal University of Goiás, Jataí, Goiás, Brazil
| | - J R Figueiredo
- Laboratory of Manipulation of Oocytes and Preantral Follicles (LAMOFOPA), Faculty of Veterinary Medicine, State University of Ceará, Fortaleza, Ceará, Brazil
| | - E L Gastal
- Department of Animal Science, Food and Nutrition, Southern Illinois University, Carbondale, IL, USA.
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Lee PC, Adams DM, Amelkina O, White KK, Amoretti LA, Whitaker MG, Comizzoli P. Influence of microwave-assisted dehydration on morphological integrity and viability of cat ovarian tissues: First steps toward long-term preservation of complex biomaterials at supra-zero temperatures. PLoS One 2019; 14:e0225440. [PMID: 31800613 PMCID: PMC6892495 DOI: 10.1371/journal.pone.0225440] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 11/05/2019] [Indexed: 11/18/2022] Open
Abstract
Ovarian tissue contains large pools of immature oocytes enclosed in primordial follicles, making it an attractive target for fertility preservation in female cancer patients, livestock and wild species. Compared to cryopreservation, desiccation and long-term storage of samples at supra-zero temperatures (using strategies inspired from small organisms to resist extreme environments) would be more cost-effective and convenient. The objective of the study was to characterize the influence of microwave-assisted dehydration on structural and functional properties of living ovarian tissues. While this method allows preservation of single cells (cat oocytes and sperm cells so far) using trehalose as the xeroprotectant, it has not been developed for multicellular tissues yet. Ovarian cortex biopsies were reversibly permeabilized, exposed to various concentrations of trehalose, and dried for different times using a commercial microwave under thermal control. Effective dehydration of samples along with proper trehalose retention were reached within 30 min of microwave drying. Importantly, the process did not affect morphology and DNA integrity of follicles or stromal cells. Moreover, transcriptional activity and survival of follicles were partially maintained following 10 min of drying, which already was compatible with storage at non-cryogenic temperatures. Present data provide critical foundation to develop dry-preservation techniques for long-term storage of living multicellular tissues.
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Affiliation(s)
- Pei-Chih Lee
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Daniella M. Adams
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Olga Amelkina
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Kylie K. White
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Luigi A. Amoretti
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Marinda G. Whitaker
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
| | - Pierre Comizzoli
- Smithsonian Conservation Biology Institute, National Zoological Park, Washington, District of Columbia, United States of America
- * E-mail:
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Cryopreservation of domestic cat (Felis catus) ovarian tissue: Comparison of two vitrification methods. Theriogenology 2018; 111:69-77. [DOI: 10.1016/j.theriogenology.2018.01.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 12/29/2017] [Accepted: 01/22/2018] [Indexed: 11/18/2022]
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Demirel MA, Acar DB, Ekim B, Çelikkan FT, Alkan KK, Salar S, Erdemli EA, Özkavukçu S, Yar SS, Kanca H, Baştan A. The evaluation of xenotransplantation of feline ovarian tissue vitrified by needle immersed vitrification technique into male immunodeficient mice. Cell Tissue Bank 2017; 19:133-147. [DOI: 10.1007/s10561-017-9663-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Accepted: 10/05/2017] [Indexed: 10/18/2022]
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Gastal G, Alves B, Alves K, Paiva S, de Tarso S, Ishak G, Bashir S, Gastal E. Effects of Cryoprotectant Agents on Equine Ovarian Biopsy Fragments in Preparation for Cryopreservation. J Equine Vet Sci 2017. [DOI: 10.1016/j.jevs.2016.03.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Kim SK, Lee JR, Samuel Kim S. Chapter 2 Utility of Animal Models for Human Ovarian Tissue Cryopreservation. Methods Mol Biol 2017; 1568:23-31. [PMID: 28421486 DOI: 10.1007/978-1-4939-6828-2_2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Success in cryopreservation of ovarian tissue (OT) in animal models has led to develop efficient cryo-technologies for human ovarian tissue. In this chapter, cryopreservation protocols developed for animal experiments are described.
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Affiliation(s)
- Seul Ki Kim
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, 463-707, South Korea
| | - Jung Ryeol Lee
- Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, 463-707, South Korea
| | - S Samuel Kim
- Center for Fertility and Reproduction, American-Sino Women's and Children's Hospital, 155 Songyuan Road, Shanghai, 200336, China.
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Devi L, Goel S. Fertility preservation through gonadal cryopreservation. Reprod Med Biol 2016; 15:235-251. [PMID: 29259441 PMCID: PMC5715865 DOI: 10.1007/s12522-016-0240-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 03/01/2016] [Indexed: 12/20/2022] Open
Abstract
Fertility preservation is an area of immense interest in today's society. The most effective and established means of fertility preservation is cryopreservation of gametes (sperm and oocytes) and embryos. Gonadal cryopreservation is yet another means for fertility preservation, especially if the gonadal function is threatened by premature menopause, gonadotoxic cancer treatment, surgical castration, or diseases. It can also aid in the preservation of germplasm of animals that die before attaining sexual maturity. This is especially of significance for valuable, rare, and endangered animals whose population is affected by high neonatal/juvenile mortality because of diseases, poor management practices, or inbreeding depression. Establishing genome resource banks to conserve the genetic status of wild animals will provide a critical interface between ex-situ and in-situ conservation strategies. Cryopreservation of gonads effectively lengthens the genetic lifespan of individuals in a breeding program even after their death and contributes towards germplasm conservation of prized animals. Although the studies on domestic animals are quite promising, there are limitations for developing cryopreservation strategies in wild animals. In this review, we discuss different options for gonadal tissue cryopreservation with respect to humans and to laboratory, domestic, and wild animals. This review also covers recent developments in gonadal tissue cryopreservation and transplantation, providing a systematic view and the advances in the field with the possibility for its application in fertility preservation and for the conservation of germplasm in domestic and wild species.
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Affiliation(s)
- Lalitha Devi
- Laboratory for the Conservation of Endangered Species, Centre for Cellular and Molecular BiologyCouncil for Scientific and Industrial ResearchUppal Road500 007HyderabadIndia
| | - Sandeep Goel
- Laboratory for the Conservation of Endangered Species, Centre for Cellular and Molecular BiologyCouncil for Scientific and Industrial ResearchUppal Road500 007HyderabadIndia
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Brito DC, Domingues SF, Silva JK, Wu X, Santos RR, Pieczarka JC. Detrimental Effect of Phenol Red on the Vitrification of Cat (Felis catus) Ovarian Tissue. Biopreserv Biobank 2016; 14:17-22. [DOI: 10.1089/bio.2015.0025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Affiliation(s)
- Danielle C. Brito
- Laboratory of Cytogenetics, Biological Sciences Institute, Federal University of Pará, Belem, Brazil
- Laboratory of Wild Animal Biology and Medicine, Federal University of Pará, Belem, Brazil
| | - Sheyla F.S. Domingues
- Laboratory of Wild Animal Biology and Medicine, Federal University of Pará, Belem, Brazil
| | - Joyce K. Silva
- Laboratory Engineering of Natural Products, Federal University of Pará, Belem, Brazil
| | - Xueqing Wu
- Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Regiane R. Santos
- Laboratory of Wild Animal Biology and Medicine, Federal University of Pará, Belem, Brazil
- Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Julio C. Pieczarka
- Laboratory of Cytogenetics, Biological Sciences Institute, Federal University of Pará, Belem, Brazil
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Effect of Previous Chemotherapy on the Quality of Cryopreserved Human Ovarian Tissue In Vitro. PLoS One 2015; 10:e0133985. [PMID: 26226487 PMCID: PMC4520548 DOI: 10.1371/journal.pone.0133985] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 07/05/2015] [Indexed: 02/08/2023] Open
Abstract
Background Cryopreservation of ovarian tissue has been widely accepted as an option for fertility preservation among cancer patients. Some patients are exposed to chemotherapy prior to ovarian tissue cryopreservation. Consequently, assessment of the developmental capacity of human ovarian tissue after chemotherapy is of primary importance. Materials In order to study the impact of previous chemotherapy on in vitro development and viability of ovarian follicles, quality control samples from 34 female cancer patients at median age of 15 years (range 1‒35), cryopreserved for fertility preservation before (n = 14) or after (n = 20) initiation of chemotherapy, were thawed and cultured for 7 days. The morphology and developmental stages of ovarian follicles were studied by light microscopy before and after culture. Possible associations between follicular densities, age and exposure to alkylating agents, expressed as cyclophosphamide equivalent dose (CED) were tested. Results Exposure to chemotherapy significantly impaired the survival and development of ovarian follicles in culture. After seven days, significantly higher densities of intermediary, primary and secondary follicles and lower densities of atretic follicles was detected in the samples collected before chemotherapy. Increasing dose of alkylating agents was identified by multivariate linear regression analysis as an independent predictor of a higher density of atretic follicles, whereas increasing age of the patient predicted a better outcome with less follicle atresia and a higher density of maturing follicles. Conclusion This study provides quantitative in vitro evidence of the impact of chemotherapy on developmental capacity of cryopreserved human ovarian tissue. The results indicate that fertility preservation should be carried out, if possible, before initiation of alkylating agents in order to guarantee better in vitro survival of ovarian follicles. In addition, ovarian samples from younger girls show lower viability and fewer developing follicles in culture.
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Asadi-Azarbaijani B, Sheikhi M, Nurmio M, Tinkanen H, Juvonen V, Dunkel L, Hovatta O, Oskam IC, Jahnukainen K. Minimal residual disease of leukemia and the quality of cryopreserved human ovarian tissue in vitro. Leuk Lymphoma 2015; 57:700-7. [PMID: 26122194 DOI: 10.3109/10428194.2015.1065980] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Auto-transplant of cryopreserved ovarian tissue in leukemia patients carries a risk to reintroduce malignant cells. Maturation of ovarian follicles in vitro is a promising strategy to overcome the leukemic cell contamination. The follicle development and survival in 14 cryopreserved ovarian tissues with leukemia-specific PCR marker was evaluated after 7 or 14 days culture. Minimal residual disease (MRD) quantification was assessed by real-time quantitative PCR in order to identify the MRD positive (n = 6) and negative (n = 8) samples and to monitor levels of MRD before and after culture. The morphology of ovarian follicles were studied by light microscopy. After culture, no statistical significant differences were detected in follicle densities between MRD positive- and negative samples. Ovarian MRD either decreased below undetectable or fluctuated near the baseline level after 7 and 14 days in culture. This study provides quantitative in vitro evidence that leukemia contamination does not affect the follicle survival in cryopreserved ovarian tissue.
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Affiliation(s)
- Babak Asadi-Azarbaijani
- a Women and Children's Division, Oslo University Hospital, Rikshospitalet , Oslo , Norway.,b University of Oslo, Faculty of Medicine , Oslo , Norway
| | - Mona Sheikhi
- c Division of Obstetrics and Gynecology, Karolinska Institute and University Hospital, Huddinge , Stockholm , Sweden.,d Stockholm IVF , Stockholm , Sweden
| | - Mirja Nurmio
- e Departments of Physiology and Pediatrics , University of Turku , Turku , Finland
| | | | - Vesa Juvonen
- g TYKSLAB, Turku University Central Hospital , Turku , Finland
| | - Leo Dunkel
- h Barts and the London, Queen Mary College, William Harvey Research Institute, Centre for Endocrinology, University of London , London , UK
| | - Outi Hovatta
- c Division of Obstetrics and Gynecology, Karolinska Institute and University Hospital, Huddinge , Stockholm , Sweden
| | - Irma C Oskam
- i Faculty of Veterinary Medicine and Biosciences, University of Oslo , Oslo , Norway
| | - Kirsi Jahnukainen
- j Helsinki University Central Hospital , Helsinki , Finland.,k University of Helsinki , Helsinki , Finland.,l Department of Women's and Children's Health , Karolinska Institute and University Hospital , Stockholm , Sweden
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Vitamin E-analog Trolox prevents endoplasmic reticulum stress in frozen-thawed ovarian tissue of capuchin monkey (Sapajus apella). Cell Tissue Res 2013; 355:471-80. [PMID: 24362491 DOI: 10.1007/s00441-013-1764-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Accepted: 10/31/2013] [Indexed: 10/25/2022]
Abstract
Ovarian fragments were exposed to 0.5 M sucrose and 1 M ethylene glycol (freezing solution; FS) with or without selenium or Trolox. Histological and ultrastructural analyses showed that the percentages of normal follicles in control tissue and in tissue after exposure to FS + 50 μM Trolox were similar. Trolox prevented endoplasmic reticulum (ER)-related vacuolization, which is commonly observed in oocytes and stromal tissue after exposure to FS. From the evaluated stress markers, superoxide dismutase 1 (SOD1) was up-regulated in ovarian tissue exposed to FS + 10 ng/ml selenium. Ovarian fragments were subsequently frozen-thawed in the presence of FS with or without 50 μM Trolox, followed by in vitro culture (IVC). Antioxidant capacity in ovarian fragments decreased after freeze-thawing in Trolox-free FS compared with FS + 50 μM Trolox. Although freezing itself minimized the percentage of viable follicles in each solution, Trolox supplementation resulted in higher rates of viable follicles (67 %), even after IVC (61 %). Furthermore, stress markers SOD1 and ERp29 were up-regulated in ovarian tissue frozen-thawed in Trolox-free medium. Relative mRNA expression of growth factors markers was evaluated after freeze-thawing followed by IVC. BMP4, BMP5, CTGF, GDF9 and KL were down-regulated independently of the presence of Trolox in FS but down-regulation was less pronounced in the presence of Trolox. Thus, medium supplementation with 50 μM Trolox prevents ER stress and, consequently, protects ovarian tissue from ER-derived cytoplasmic vacuolization. ERp29 but not ERp60, appears to be a key marker linking stress caused by freezing-thawing and cell vacuolization.
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Direct comparative analysis of conventional and directional freezing for the cryopreservation of whole ovaries. Fertil Steril 2013; 100:1122-31. [PMID: 23830108 DOI: 10.1016/j.fertnstert.2013.06.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Revised: 06/01/2013] [Accepted: 06/03/2013] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To compare conventional slow equilibrium cooling and directional freezing for cryopreservation of whole ovaries. DESIGN Experimental animal study. SETTING Academic research environment. ANIMAL(S) Adult ewes. INTERVENTION(S) Eighty-one ovaries were randomly assigned to fresh control, conventional freezing (CF), and directional freezing (DF) group. Ovaries of CF and DF groups were perfused via the ovarian artery with Leibovitz L-15 medium, 10% fetal bovine serum, and 1.5 M dimethyl sulfoxide for 5 minutes. Each ovary was inserted into a glass test tube containing 10 mL of the same solution and cooled to -100°C or -70°C, respectively. Ovaries were stored in liquid nitrogen for a minimum of 2 weeks. MAIN OUTCOME MEASURE(S) Structural integrity of cortical and medulla regions, vascular integrity, follicle in vitro development, cell proliferation, and DNA damage and repair. RESULT(S) All examined parameters indicate that the structure of DF ovaries remains largely intact and comparable to fresh controls, whereas significant damages were observed in CF ovaries. CONCLUSION(S) Directional freezing allows good preservation of whole ovaries, with most of the parameters taken into consideration almost identical to those recorded in fresh control samples. This encourages a reconsideration of the possible use of whole-ovary cryopreservation as a viable alternative to cortical fragments.
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Carvalho A, Faustino L, Silva C, Castro S, Lopes C, Santos R, Báo S, Figueiredo J, Rodrigues A. Novel wide-capacity method for vitrification of caprine ovaries: Ovarian Tissue Cryosystem (OTC). Anim Reprod Sci 2013; 138:220-7. [DOI: 10.1016/j.anireprosci.2013.02.015] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Revised: 02/18/2013] [Accepted: 02/22/2013] [Indexed: 10/27/2022]
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Jahnukainen K, Tinkanen H, Wikström A, Dunkel L, Saarinen-Pihkala UM, Mäkinen S, Asadi Azarbaijani B, Oskam IC, Vettenranta K, Laine T, Kairisto V, Juvonen V. Bone marrow remission status predicts leukemia contamination in ovarian biopsies collected for fertility preservation. Leukemia 2012; 27:1183-5. [PMID: 23079961 DOI: 10.1038/leu.2012.279] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ultrastructural features of agouti (Dasyprocta aguti) preantral follicles cryopreserved using dimethyl sulfoxide, ethylene glycol and propanediol. Theriogenology 2012; 77:260-7. [DOI: 10.1016/j.theriogenology.2011.07.038] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2010] [Revised: 07/22/2011] [Accepted: 07/22/2011] [Indexed: 11/23/2022]
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Oskam IC, Lund T, Santos RR. Irreversible Damage in Ovine Ovarian Tissue after Cryopreservation in Propanediol: Analyses after In Vitro Culture and Xenotransplantation. Reprod Domest Anim 2011; 46:793-9. [PMID: 21272097 DOI: 10.1111/j.1439-0531.2010.01743.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- I C Oskam
- Section for Reproductive Medicine Institute for Surgical Research, Oslo University Hospital, Oslo, Norway.
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Cryopreservation of ovarian tissue: An emerging technology for female germline preservation of endangered species and breeds. Anim Reprod Sci 2010; 122:151-63. [DOI: 10.1016/j.anireprosci.2010.08.010] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2009] [Revised: 08/05/2010] [Accepted: 08/10/2010] [Indexed: 11/23/2022]
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Melo MAP, Oskam IC, Celestino JJH, Carvalho AA, Castro SV, Figueiredo JR, Rodrigues APR, Santos RR. Adding Ascorbic Acid to Vitrification and IVC Medium Influences Preantral Follicle Morphology, but Not Viability. Reprod Domest Anim 2010; 46:742-5. [DOI: 10.1111/j.1439-0531.2010.01716.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Goat and sheep ovarian tissue cryopreservation: Effects on the morphology and development of primordial follicles and density of stromal cell. Anim Reprod Sci 2010; 122:90-7. [PMID: 20800393 DOI: 10.1016/j.anireprosci.2010.08.001] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2009] [Revised: 07/16/2010] [Accepted: 08/02/2010] [Indexed: 11/22/2022]
Abstract
The effect of exposure to cryoprotectant and cryopreservation of goat and sheep ovarian cortical fragments on the morphology of primordial follicles, stromal cell density and follicular development was performed. Goat and sheep ovarian fragments were exposed to 1.0 or 1.5M ethylene glycol (EG) for 5, 10 or 20min, followed or not by conventional cryopreservation. Follicular morphology and stromal cell density were evaluated by means of classical histological analysis. In addition, ovarian fragments were cultured for 1 or 7 days after cryopreservation to evaluate follicular development. Both exposure to cryoprotectant and cryopreservation of goat and sheep ovarian tissue did affect the morphology of primordial follicles and stromal cell density, except when goat ovarian tissue was exposed to EG for 5min. Although exposure time did not influence follicular morphology in both species, increase in the exposure time from 5 to 20min did reduce goat stromal cell density. Increase in EG concentration from 1.0 to 1.5M did result in the decrease of the percentage of goat morphologically normal primordial follicles evaluated after exposure only. In vitro culture of frozen-thawed goat and sheep ovarian tissue showed that exposure to 1.0M, for 10min, before freezing of goat and sheep ovarian tissue does not impair follicular developmental capacity. In addition, stromal cell density may play a role in follicular survival and development after cryopreservation of ovarian tissue.
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