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Rahimi A, Shahriari A, Barati F. Redox reactions in vitrified-warmed ovary. F&S SCIENCE 2024; 5:39-42. [PMID: 37952929 DOI: 10.1016/j.xfss.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 11/03/2023] [Accepted: 11/03/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUNDS Ovary vitrification is a way for the preservation of fertility in women undergoing chemotherapy and for protecting the valuable or the endangered species. However, cryopreservation of complex tissues, which are composed of different cells and materials, encountered various challenges including oxidative stress damage. OBJECTIVES This study aimed to evaluate some oxidative stress indices in the vitrified bovine ovaries. METHODS The pieces of the bovine ovarian cortex (1 × 1 × 1 mm3) were vitrified with final concentrations of ethylene glycol (25%) and glycerol (25%) and 0.5 M sucrose and then, after 48 h, were warmed with descending concentrations (0.5, 0.25, and 0.125 M) of sucrose. The ovaries were processed and some biochemical indicators of oxidative stresses were assayed. RESULTS Total antioxidant capacity had a 45% decrease after vitrification (P<.0001). This reduction was associated with a 4 times increase in malondialdehyde (P=.0002) and a 53% decrease in superoxide dismutase (P=.0081). The levels of protein carbonyl in vitrified-warmed ovaries were less than in fresh ovaries (P=.0325). Regression analysis showed that the components of oxidative stress indices in vitrified tissues are different from those of fresh tissues. CONCLUSION An extensive alteration was seen in oxidant/antioxidant balance during vitrification.
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Affiliation(s)
- Atefe Rahimi
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Ali Shahriari
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Farid Barati
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran.
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2
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Najafi A, Asadi E, Benson JD. Comparative effects of a calcium chelator (BAPTA-AM) and melatonin on cryopreservation-induced oxidative stress and damage in ovarian tissue. Sci Rep 2023; 13:22911. [PMID: 38129642 PMCID: PMC10739950 DOI: 10.1038/s41598-023-49892-7] [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: 06/06/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023] Open
Abstract
Oncology treatments cause infertility, and ovarian tissue cryopreservation and transplantation (OTCT) is the only option for fertility preservation in prepubertal girls with cancer. However, OTCT is associated with massive follicle loss. Here, we aimed to determine the effect of supplementation of slow freezing and vitrification media with BAPTA-AM and melatonin alone and in combination on ovarian tissue viability, reactive oxygen species (ROS) levels, total antioxidant capacity (TAC), and follicular morphology and viability. Our results indicated that BAPTA-AM and melatonin can significantly improve ovarian tissue viability and the TAC/ROS ratio and reduce ROS generation in frozen-thawed ovarian tissues in slow freezing and vitrification procedures. BAPTA-AM was also found to be less effective on TAC compared to melatonin in vitrified ovarian tissue. While supplementation of slow freezing and vitrification media with BAPTA-AM and/or melatonin could increase the percentage of morphologically intact follicles in cryopreserved ovarian tissues, the differences were not significant. In conclusion, supplementation of cryopreservation media with BAPTA-AM or melatonin improved the outcome of ovarian tissue cryopreservation in both vitrification and slow freezing methods. Our data provide some insight into the importance of modulating redox balance and intracellular Ca2+ levels during ovarian tissue cryopreservation to optimize the current cryopreservation methods.
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Affiliation(s)
- Atefeh Najafi
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
| | - Ebrahim Asadi
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada
| | - James D Benson
- Department of Biology, University of Saskatchewan, Saskatoon, SK, S7N 5E2, Canada.
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3
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Wu Q, Ru G, Xiao W, Wang Q, Li Z. Adverse effects of ovarian cryopreservation and auto-transplantation on ovarian grafts and quality of produced oocytes in a mouse model. Clin Sci (Lond) 2023; 137:1577-1591. [PMID: 37782233 PMCID: PMC10600147 DOI: 10.1042/cs20230483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/24/2023] [Accepted: 10/02/2023] [Indexed: 10/03/2023]
Abstract
The process of ovarian cryopreservation and transplantation is the only feasible fertility preservation method for prepubertal girls and female patients with cancer who cannot delay radiotherapy and chemotherapy. However, basic research on this technique is lacking. To better understand ovarian function and oocyte quality after ovarian tissue (OT) transplantation, we characterised the appearance, angiogenesis, and endocrine function of ovarian grafts in a murine model; the mitochondrial function and DNA damage in oocytes isolated from the OT; and the development of embryos after in vitro fertilisation. The results showed a decrease in oocyte numbers in the transplanted OT, abnormal endocrine function of ovarian grafts, as well as dysfunctional mitochondria and DNA damage in the oocytes, which could adversely affect subsequent embryonic development. However, these adverse phenotypes were partially or completely resolved within 21 days of transplantation, suggesting that ovulation induction and assisted pregnancy treatment should not be conducted too soon after OT transfer to ensure optimal patient and offspring outcomes.
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Affiliation(s)
- Que Wu
- Reproductive Center, First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou City, 515041, Guangdong, China
| | - Gaizhen Ru
- Reproductive Center, First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou City, 515041, Guangdong, China
| | - Wanfen Xiao
- Reproductive Center, First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou City, 515041, Guangdong, China
| | - Qian Wang
- Reproductive Center, First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou City, 515041, Guangdong, China
| | - Zhiling Li
- Reproductive Center, First Affiliated Hospital of Shantou University Medical College, Shantou University, Shantou City, 515041, Guangdong, China
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Anita N, Abinawanto, Jusuf AA, Bowolaksono A, Saoemi HA, Safrina A. Cryoprotective Effects of Longan Honey on Preantral Follicle Integrity of Rat Ovary Post Vitrification. CRYOLETTERS 2023. [DOI: 10.54680/fr23110110712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND: Longan honey (LH) has the potential as a natural extracellular cryoprotectant to maintain the integrity of intact preantral follicles against the cryoinjury during ovarian vitrification. OBJECTIVE: This research determined the cryoprotective effects of logan
honey on preantral follicles integrity of rat ovary post-vitrification. MATERIALS AND METHODS: After vitrification, the follicle index was determined by observing the ovarian histological sections made using the paraffin method with hematoxylin-eosin staining and analyzed using Optilab
3.0 and Image Raster software. RESULTS: The results showed that the combination of ethylene glycol (EG) with LH and a dose variation of 7.5%-15% (KP1-KP4) increased the density of follicles, the number of intact follicles in G2 and G3, with a decrease in the atretic follicles in G1
better compared to the use of EG only (KKP1-KKP2). The differences in the histological structur e of preantral follicles affected the doses of LH needed by each type of follicle to maintain the integrity of the follicular structure from cryoinjury effects. The comparison of the G2 total follicle
index values were KKP1 (90.7±18.3), KKP2 (115.6±9.9) < KP1 (193.6±10.7), KP2 (189.3±10.5), KP3 (182.2±27.1) and KP4 (169.4±8.8). Among the variations in the dose of LH 7.5%-15%, the highest increase in the G3 index value was found in primary (51.653±9.791),
tertiary (43.119±8.786), secondary (33.885±4.745), and primordial (28.670±2.516) follicles of KP3 (7.5% of LH). CONCLUSION: The primary and tertiary follicular stages maintain the best integrity and can be used after the vitrification of rat ovaries.
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Affiliation(s)
- Nova Anita
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok 16424, Indonesia
| | - Abinawanto
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok 16424, Indonesia
| | - Ahmad Aulia Jusuf
- Department of Histology, Faculty of Medicine Universitas Indonesia, Jakarta 10430, Indonesia
| | - Anom Bowolaksono
- Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok 16424, Indonesia
| | - Huriyah Adani Saoemi
- Master's Programme in Biomedical Sciences, Faculty of Medicine Universitas, Indonesia, Jakarta, 10430 Indonesia
| | - Aisyah Safrina
- Master's Programme in Biomedical Sciences, Faculty of Medicine Universitas, Indonesia, Jakarta, 10430 Indonesia
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Zeng Q, Wang K, He LB, Wang TT, Fan XM, Liu WX. Cryoprotective effect of antifreeze protein III on the rabbit ovary. Reprod Fertil Dev 2022; 34:645-657. [PMID: 35450570 DOI: 10.1071/rd21324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 01/23/2022] [Indexed: 11/23/2022] Open
Abstract
CONTEXT Ovarian tissue cryopreservation is effective in preserving fertility in cancer patients who have concerns about fertility loss due to cancer treatment. However, ischemia reduces the lifespan of grafts. Microvascular transplantation of cryopreserved whole ovary may allow immediate revascularisation, but the damage incurred during the cryopreservation procedure may cause follicular depletion; hence, preventing chilling injury would help maintain ovarian function. AIM This study was designed to investigate the beneficial effects of antifreeze protein III (AFP III) on rabbit ovary cryopreservation. METHODS Ovaries (n =25) obtained from 5-month-old female rabbits (n =13) were frozen by slow freezing and vitrification. Cryoprotectant media were supplemented with and without 1mg/mL of AFP III. The experiment was divided into five groups: fresh control group (F), slow freezing group (S), slow freezing group with AFP III (AFP III-S), vitrification group (V) and vitrification group with AFP III (AFP III-V). All groups of ovaries were examined by histological characteristics analysis, ultrastructural analysis, apoptosis detection and follicle viability test. KEY RESULTS With slow freezing, the normal rate of change in follicle morphology, density of stromal cells and the survival rate of follicles in the AFP III supplemented group were significantly higher than those in the non-supplemented group, and a lower oocyte apoptotic rate was shown in the AFP III supplemented group. In the vitrification groups, the normal rate of change in follicle morphology and density of stromal cells in the AFP III supplemented group were significantly higher than those in the non-supplemented group, and a lower oocyte apoptotic rate was found in the AFP III supplemented group. But there was no obvious difference in the survival rate of follicles between the two groups. There was also no significant difference in the normal rate of change in follicle morphology, the survival rate of follicles and the apoptotic rate of oocytes between the vitrification and slow freezing groups (P >0.05), but the density of stromal cells in the vitrification groups was statistically higher than that of the slow freezing group (P <0.05). CONCLUSIONS The addition of AFP III in slow freezing and vitrification could improve the cryoprotective effect of ovaries, which was more evident in slow freezing. IMPLICATIONS The findings of this study provide a foundation for further research on the effects of AFP III in human ovarian tissue.
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Affiliation(s)
- Qin Zeng
- Key Laboratory of Reproductive Medicine, Sichuan Provincial Maternity and Child Health Care Hospital, The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu 610045, China
| | - Kai Wang
- Department of Acute Care Surgery, Sichuan Provincial People's Hospital, Sichuan Academy of Medical Sciences, Chengdu 610072, China
| | - Li-Bin He
- Key Laboratory of Reproductive Medicine, Sichuan Provincial Maternity and Child Health Care Hospital, The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu 610045, China
| | - Ting-Ting Wang
- Key Laboratory of Reproductive Medicine, Sichuan Provincial Maternity and Child Health Care Hospital, The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu 610045, China
| | - Xue-Mei Fan
- School of Medical and Life Sciences/Reproductive & Women-Children Hospital, Chengdu University of Traditional Chinese Medicine, Chengdu 610041, China
| | - Wei-Xin Liu
- Key Laboratory of Reproductive Medicine, Sichuan Provincial Maternity and Child Health Care Hospital, The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu 610045, China
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Pais AS, Reis S, Laranjo M, Caramelo F, Silva F, Botelho MF, Almeida-Santos T. The challenge of ovarian tissue culture: 2D versus 3D culture. J Ovarian Res 2021; 14:147. [PMID: 34724957 PMCID: PMC8561954 DOI: 10.1186/s13048-021-00892-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Accepted: 10/06/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Cryopreservation of ovarian tissue is a powerful technique for preserving female fertility, as it can restore fertility and endocrine function. To increase the longevity of the transplant and decrease the risk of reimplantation of neoplastic cells, several studies have been carried out with culture of ovarian tissue. The aim of this study was to compare a conventional (2D) culture with an alginate matrix three-dimensional (3D) model for ovarian tissue culture. RESULTS The ovarian tissue culture within the alginate matrix (3D) was similar to 2D culture, regarding follicular density and cell apoptosis in follicles and stroma. The proliferation rate remained stable in both models for follicles, but for stromal cell proliferation it decreased only in 3D culture (p = 0.001). At 24 h of culture, cytotoxicity was lower in the 3D model (p = 0.006). As culture time increased, cytotoxicity seemed similar. Degradation of the tissue was suggested by the histological score analysis of tissue morphology after 72 h of culture. Tissue injury was greater (p = 0.01) in 3D culture due to higher interstitial oedema (p = 0.017) and tissue necrosis (p = 0.035). CONCLUSION According to our results, 3D culture of ovarian tissue has no advantage over 2Dculture; it is more time consuming and difficult to perform and has worse reproducibility.
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Affiliation(s)
- Ana Sofia Pais
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra (CHUC), E.P.E., Coimbra, Portugal.
- Obstetrics Department, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, Coimbra, Portugal.
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal.
- Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal.
| | - Sandra Reis
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra (CHUC), E.P.E., Coimbra, Portugal
- Center for Neuroscience and Cell Biology (CNC), CIBB, Azinhaga de Santa Comba, Celas, University of Coimbra, Coimbra, Portugal
- PhD Programme in Experimental Biology and Biomedicine, IIIUC - Institute for Interdisciplinary Research, University of Coimbra, Coimbra, Portugal
| | - Mafalda Laranjo
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, Coimbra, Portugal
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Francisco Caramelo
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, Coimbra, Portugal
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Fátima Silva
- Pathology Unit, Centro Hospitalar e Universitário de Coimbra (CHUC), E.P.E., Coimbra, Portugal
| | - Maria Filomena Botelho
- University of Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR) Area of Environment Genetics and Oncobiology (CIMAGO), Biophysics Institute of Faculty of Medicine, Coimbra, Portugal
- University of Coimbra, Center for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
| | - Teresa Almeida-Santos
- Reproductive Medicine Unit, Centro Hospitalar e Universitário de Coimbra (CHUC), E.P.E., Coimbra, Portugal
- Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal
- Center for Neuroscience and Cell Biology (CNC), CIBB, Azinhaga de Santa Comba, Celas, University of Coimbra, Coimbra, Portugal
- University of Coimbra, Faculty of Medicine, Coimbra, Portugal
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Arav A, Patrizio P. Techniques of Cryopreservation for Ovarian Tissue and Whole Ovary. CLINICAL MEDICINE INSIGHTS. REPRODUCTIVE HEALTH 2019; 13:1179558119884945. [PMID: 31839716 PMCID: PMC6893924 DOI: 10.1177/1179558119884945] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Accepted: 10/02/2019] [Indexed: 01/24/2023]
Abstract
Cryopreservation of ovarian tissue has been considered experimental for many years, but very recently the American Society of Reproductive Medicine is reviewing the process and perhaps soon will remove the label of “experimental” and recognize it as an established method for preserving female fertility when gonadotoxic treatments cannot be delayed or in patients before puberty or when there is desire to cryopreserve more than just few oocytes. This article discusses in detail the 3 methodologies used for cryopreservation: (a) slow freezing, (b) directional freezing, and (c) vitrification.
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Affiliation(s)
| | - Pasquale Patrizio
- FertileSafe Ltd, Ness Ziona, Israel.,Yale Fertility Center, Yale University, New Haven, CT, USA
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Jin F, Ruan X, Juan D, Li Y, Cheng J, Wang H, Mueck AO. Ovarian tissue cryopreservation: prospective randomized study on thawed ovarian tissue viability to estimate the maximum possible delivery time of tissue samples. Gynecol Endocrinol 2019; 35:591-594. [PMID: 30777495 DOI: 10.1080/09513590.2019.1572736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
Abstract
Ovarian tissue cryopreservation is one of the most important methods to protect female fertility, but we just recently established the first central laboratory in China, now building a network with other hospitals. The aim was to estimate the thawed ovarian tissue viability and to explore the feasibility of short-distance transportation. Fifteen samples were obtained from each of 11 patients, i.e. in total 165 samples. One fresh sample was used for follicle counts, 14 punches were cryopreserved, thawed, and randomly divided into seven groups depending on the time after thawing: 0, 20, 40, 60, 80, 100, 120 min. Follicle counts, steroid hormones, and lactate levels were assessed. No significant differences for the three parameters of tissue viability comparing the seven groups were seen. The time can last up to two hours for the delivery of tissue samples from the laboratory to the surgery room. To our knowledge, this question has been tested for the first time systematically within a prospective randomized comparative study.
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Affiliation(s)
- Fengyu Jin
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
| | - Xiangyan Ruan
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
- b Department of Women's Health , University Women's Hospital and Research Center for Women's Health, University of Tuebingen , Tuebingen , Germany
| | - Du Juan
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
| | - Yanglu Li
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
| | - Jiaojiao Cheng
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
| | - Husheng Wang
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
| | - Alfred O Mueck
- a Department of Gynecological Endocrinology , Beijing Obstetrics and Gynecology Hospital, Capital Medical University , Beijing , China
- b Department of Women's Health , University Women's Hospital and Research Center for Women's Health, University of Tuebingen , Tuebingen , Germany
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9
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Kristensen SG, Liu Q, Mamsen LS, Greve T, Pors SE, Bjørn AB, Ernst E, Macklon KT, Andersen CY. A simple method to quantify follicle survival in cryopreserved human ovarian tissue. Hum Reprod 2019; 33:2276-2284. [PMID: 30358835 DOI: 10.1093/humrep/dey318] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/05/2018] [Indexed: 11/14/2022] Open
Abstract
STUDY QUESTION Can follicle survival in frozen-thawed human ovarian tissue be quantified in situ using the dye Neutral Red (NR) to stain viable follicles specifically? SUMMARY ANSWER A follicle survival rate within ovarian tissue can be calculated using NR followed by histological evaluation and evidence for a consistently high follicle survival in a series of ovarian tissue from 25 Danish girls and women undergoing ovarian tissue cryopreservation (OTC) was obtained. WHAT IS KNOWN ALREADY Securing follicle survival in cryopreserved ovarian tissue is crucial for proper quality control when centers wish to implement OTC. The only established technique for validation of follicle survival is xenografting of thawed ovarian tissue to immunodeficient mice. However, this functional test is expensive, time consuming, requires animal facilities and only provides a qualitative-not quantitative-measure for follicle survival. STUDY DESIGN SIZE, DURATION Quantification of follicle survival in human ovarian tissue donated from 30 girls and women having tissue cryopreserved for fertility preservation from 2000 to 2015 at the Laboratory of Reproductive Biology in Copenhagen, Denmark. PARTICIPANTS/MATERIALS, SETTING, METHODS Cryopreserved ovarian cortex was donated from 25 girls and young women aged 10-36 years (mean age: 25 years) and the average storage time in liquid nitrogen was 9.1 ± 5.6 years, ranging from 1.6 to 17.9 years. In 12 of the cases, the ovarian tissue was collected from the local hospital and in the other 13 cases the ovarian tissue was transported on ice up to 6 h prior to freezing. Donated fresh ovarian surplus tissue was obtained from five women aged 23-34 years (mean age: 27 years). Ovarian tissues were chopped into small fragments and incubated in culture medium containing 50 mg/ml NR for 3-4 h. Fragments of ovarian tissue containing clearly NR-stained follicles were selected for counting, encapsulated in 4% agar and were processed for histology to calculate a follicular survival rate. MAIN RESULTS AND THE ROLE OF CHANCE The mean follicle survival rate in the 25 patients after freezing and thawing was 84% ± 11 (mean ±SD), ranging from 50% to 98%. The high follicle survival rate in this clinical series of patients reflects a constant high-quality service performed in our center and confirms the robustness of the slow freezing protocol. No significant association between follicle survival rates and storage time was found using linear regression analysis, suggesting that storage in liquid nitrogen does not affect viability of the tissue. No significant association in follicle survival rates was found between ovarian tissues collected at the local hospital compared to tissues transported on ice prior to freezing, supporting that prolonged cooling does not seem to greatly affect the follicle survival. For the fresh ovarian tissue, the average follicle survival rate was 91% ± 5 (mean ± SD) in five patients, ranging from 81% to 95%. LIMITATIONS, REASONS FOR CAUTION Even though the NR staining requires active incorporation of the dye, the test is merely a short in situ test that cannot completely replace the functional value of xenografting studies in which the integrity and developmental potential of the ovarian follicles are assessed. WIDER IMPLICATIONS OF THE FINDINGS OTC is now being employed around the world but to date it has been difficult for centers to evaluate the effectiveness of their program and perform proper quality control. NR staining combined with histological evaluation is the first quantitative method to provide a survival rate for follicles in frozen-thawed human ovarian tissue and offer a valuable and easily applicable tool to validate the cryopreservation procedure when implementing OTC or as routine quality control for the overall freezing performance within tissue banking facilities. STUDY FUNDING/COMPETING INTEREST(S) The Research Pools of Rigshospitalet, the Danish Cancer Foundation, Dagmar Marshalls Foundation, and the Novo Nordic Foundation are thanked for having funded this study. The authors have no conflicts of interest.
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Affiliation(s)
- S G Kristensen
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - Q Liu
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark.,Department of Gynecological Minimal Invasive Center, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China
| | - L S Mamsen
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - T Greve
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - S E Pors
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
| | - A B Bjørn
- Department of Gynaecology and Obstetrics, Aarhus University Hospital, Aarhus, Denmark
| | - E Ernst
- Department of Gynaecology and Obstetrics, Aarhus University Hospital, Aarhus, Denmark.,The Fertility Clinic, Horsens Regional Hospital, Horsens, Denmark
| | - K T Macklon
- The Fertility Clinic, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark
| | - C Y Andersen
- Laboratory of Reproductive Biology, The Juliane Marie Centre for Women, Children and Reproduction, University Hospital of Copenhagen, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
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10
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Charlton SJ, Nielsen MB, Pedersen CR, Thomsen L, Kristjansen MP, Sørensen TB, Pertoldi C, Strand J. Strong Heterogeneity in Advances in Cryopreservation Techniques in the Mammalian Orders. Zoolog Sci 2019; 35:1-22. [PMID: 29417894 DOI: 10.2108/zs170037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Between 1970 and 2012, vertebrate abundance has declined by 58% with an average annual decline of 2%, calling for serious action to prevent a mass extinction and an irreversible loss of biodiversity. Cryobanks and cryopreservation have the potential to assist and improve ex situ and in situ conservation strategies by storing valuable genetic material. A great deal of studies concerning cryopreservation have been performed within the class Mammalia, although no systematic overview has previously been presented. The objective of this study is therefore to evaluate the status, pattern and future of cryopreservation within Mammalia. A strong disproportional distribution of studies in examined orders is displayed. For the majority of examined orders less than 10% of species has been examined. However, the cryopreservation of germplasm has in several cases been successful and resulted in successful applications of assisted reproductive techniques (ARTs). Various obstacles are associated with the development of cryopreservation protocols, and among them the most prominent is interspecific differences in cryotolerance. Extrapolation of protocols in closely related species is considered the most applicable procedure, and a future supplement to overcome this problem is the examination and comparison of cryobiological traits. Successful protocols have been developed for the vast majority of domesticated mammals, which gives incentive for the further extrapolation of protocols in threatened species.
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Affiliation(s)
- Sebastian J Charlton
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Mikkel B Nielsen
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Carina R Pedersen
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Lisette Thomsen
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Mads P Kristjansen
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Thomas B Sørensen
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark
| | - Cino Pertoldi
- 1 Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9220 Aalborg, Denmark.,2 Aalborg Zoo, Aalborg, Mølleparkvej 63, 9000 Aalborg, Denmark
| | - Julie Strand
- 3 Randers Regnskov, Randers, Tørvebryggen 11, 8900 Randers, Denmark
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11
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Fujihara M, Kaneko T, Inoue-Murayama M. Vitrification of canine ovarian tissues with polyvinylpyrrolidone preserves the survival and developmental capacity of primordial follicles. Sci Rep 2019; 9:3970. [PMID: 30850725 PMCID: PMC6408471 DOI: 10.1038/s41598-019-40711-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 02/22/2019] [Indexed: 12/24/2022] Open
Abstract
Ovarian tissue cryopreservation combined with immature follicle development can preserve female fertility in wildlife, regardless of age or reproductive timing. To investigate the effects of different cryopreservation methods and cryoprotectants on follicular survival and developmental capacity, ovarian cortical pieces from 15 dogs were cryopreserved by slow freezing or vitrification with different additional cryoprotectants as follows: dimethyl sulfoxide (DMSO), polyvinylpyrrolidone (PVP), combined DMSO and PVP (each at half the concentration of when used independently), or none (control). Cryopreserved ovarian tissues were evaluated by neutral red staining, histology, and xenotransplantation assays. Among cryopreservation conditions tested, vitrification with combined DMSO and PVP significantly improved the maintenance of follicular morphology compared to that in control. Furthermore, ovarian tissues vitrified using this condition maintained follicle morphology and developmental capacity 9 weeks after grafting, as shown by an increased percentage of primary and secondary follicles and a significant decrease in the transition stage from primordial to primary stage follicles 5 and 9 weeks after grafting. In contrast, slow freezing and control groups lost intact follicles by 5 weeks after grafting. The described cryopreservation techniques, which preserve canine follicle development, will build the foundation of ovarian tissue cryopreservation to preserve female fertility in wild canids.
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Affiliation(s)
- Mayako Fujihara
- Wildlife Research Center, Kyoto University, Kyoto, 606-8203, Japan.
| | - Takehito Kaneko
- Division of Science and Engineering, Graduate School of Arts and Science, Iwate University, Morioka, 020-8551, Japan.,Department of Chemistry and Biological Sciences, Faculty of Science and Engineering, Iwate University, Morioka, 020-8551, Japan
| | - Miho Inoue-Murayama
- Wildlife Research Center, Kyoto University, Kyoto, 606-8203, Japan.,Wildlife Genome Collaborative Research Group, National Institute for Environmental Studies, Tsukuba, 305-8506, Japan
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12
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Amoushahi M, Salehnia M, Ghorbanmehr N. The mitochondrial DNA copy number, cytochrome c oxidase activity and reactive oxygen species level in metaphase II oocytes obtained from in vitro culture of cryopreserved ovarian tissue in comparison with in vivo-obtained oocyte. J Obstet Gynaecol Res 2018; 44:1937-1946. [PMID: 30084218 DOI: 10.1111/jog.13747] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 06/15/2018] [Indexed: 12/20/2022]
Abstract
AIM To evaluate the mitochondrial DNA (mtDNA) copy number, reactive oxygen species (ROS) level and intensity of mitochondrial enzyme activity in metaphase II oocytes derived from vitrified cultured immature mouse ovarian tissue in comparison with nonvitrified group and in vivo-obtained oocytes. METHODS Vitrified and nonvitrified ovaries from neonate female mice were cultured for 7 days. Then, preantral follicles were isolated and cultured in a three-dimensional culture system. Follicular development and oocyte maturation were evaluated and compared in both groups. Some of the collected metaphase II oocytes derived from in vitro and in vivo conditions were inseminated with capacitated spermatozoa, and then, the fertilization and embryo developmental rates were assessed. In the other series of oocytes, mtDNA copy number, distribution and enzyme activity and ROS level were analyzed. RESULTS The embryo development, mtDNA copy number and mitochondrial enzyme activity in collected metaphase II oocytes from two in vitro-cultured groups were significantly lower, and the ROS level was higher than those of the in vivo group (P < 0.05), but there was no significant difference between vitrified and nonvitrified groups. CONCLUSION This study showed that a two-step in vitro culture of mouse ovarian tissue decreased the mtDNA copy number and cytochrome c oxidase activity of metaphase II oocytes through an increase in their ROS level in comparison with in vivo-obtained oocytes. Thus, the in vitro culture methods should be improved.
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Affiliation(s)
| | - Mojdeh Salehnia
- Department of Anatomy, Tarbiat Modares University, Tehran, Iran
| | - Nassim Ghorbanmehr
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
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Ding Y, Shao J, Hua K, Wang X. Modified Model of Whole Ovary Transplantation in Rats. Transplant Proc 2018; 50:3881-3886. [PMID: 30577281 DOI: 10.1016/j.transproceed.2018.06.038] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 06/12/2018] [Accepted: 06/27/2018] [Indexed: 11/15/2022]
Abstract
OBJECTIVE A rat model of right whole ovary transplantation is difficult to establish because of an unfit location or absence of the right ovarian artery. The purpose of this study is to develop a rat model of left whole ovary transplantation. METHODS Two methods of whole ovary transplantation were performed. In Group A (n = 40), the rats underwent right whole ovary grafting via conventional orthotopic allotransplant, with donor abdominal aorta and inferior vena cava end-to-side anastomoses to the recipient abdominal aorta and inferior vena cava. In Group B (n = 40), the rats underwent left whole ovary graft via orthotopic allotransplant, with donor abdominal aorta and left renal vein end-to-side anastomoses to the recipient abdominal aorta and inferior vena cava. Bilateral native ovariectomy in the recipient was performed immediately in both groups. The operative times, recipient survival rates, and transplanted ovarian function were measured. RESULTS There was no significant difference in the success rates of transplant between the 2 groups, with 92.5% and 90% success, respectively. All the living recipients recovered ovarian function. However, the operative time for the donor, the vein anastomosis time, and the cold ischemia time decreased significantly in Group B (P < .05). CONCLUSION The modified method of left whole ovary transplantation is reliable and easy to perform, which could significantly shorten the times of graft harvest and cold ischemia. The method is a good supplement and improvement of the conventional model of rat whole ovary transplantation.
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Affiliation(s)
- Y Ding
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - J Shao
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - K Hua
- Department of Gynecology, Obstetrics and Gynecology Hospital, Fudan University, Shanghai, China
| | - X Wang
- Department of Urology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Abedpour N, Salehnia M, Ghorbanmehr N. The Effects of Lysophosphatidic Acid on The Incidence of Cell Death in Cultured Vitrified and Non-Vitrified Mouse Ovarian Tissue: Separation of Necrosis and Apoptosis Border. CELL JOURNAL 2018; 20:403-411. [PMID: 29845795 PMCID: PMC6005000 DOI: 10.22074/cellj.2018.5180] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 10/22/2017] [Indexed: 12/25/2022]
Abstract
Objective The aim of the present study was to examine whether lysophosphatidic acid (LPA) could decrease cell death and improve in vitro culture (IVC) conditions in cultured vitrified mouse ovarian tissue. Materials and Methods In this experimental study, we collected and randomly divided 7-day-old mouse ovarian tissues into vitrified and non-vitrified groups. The ovaries were cultured in the presence and absence of LPA for one week. Morphology and follicular development were evaluated by hematoxylin and eosin (H&E) and Masson's trichrome (MTC) staining. The incidence of cell death was assessed by flow cytometry using annexin V/propidium iodide (PI) and a caspase-3/7 assay in all studied groups. Results The vitrified groups had a significantly decreased follicle developmental rate compared to the non-vitrified groups (P<0.05). Overall, qualitative and quantitative results showed prominent follicular degeneration in the vitrified groups compared with the respective non-vitrified groups. Both LPA treated groups had a significantly higher proportion of preantral follicles compared to the non-LPA treated groups (P<0.05). Flow cytometry analysis results showed significantly greater early and late apoptotic cells in all groups (17.83 ± 8.80%) compared to necrotic cells (7.97 ± 0.92%, P<0.05). The percentage of these cells significantly increased in the vitrified groups compared with non-vitrified groups. LPA treated groups had a lower percentage of these cells compared to non-LPA treated groups (P<0.05). The lower enzyme activity was observed in non-vitrified (especially in the LPA+ groups) cultured ovaries compared to the vitrified group (P<0.05). Conclusion Both vitrification and IVC adversely affected cell survival and caused cell death. We postulated that LPA supplementation of culture medium could improve the developmental rate of follicles and act as an anti-cell death factor in non-vitrified and vitrified ovarian tissues. It could be used for in vitro maturation of ovarian tissue.
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Affiliation(s)
- Neda Abedpour
- Department of Anatomy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Mojdeh Salehnia
- Department of Anatomy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran. Electronic Address:
| | - Nassim Ghorbanmehr
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
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Successful fertility following optimized perfusion and cryopreservation of whole ovary and allotransplantation in a premature ovarian insufficiency rat model. J Ovarian Res 2018; 11:35. [PMID: 29716634 PMCID: PMC5930692 DOI: 10.1186/s13048-018-0401-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 03/23/2018] [Indexed: 11/15/2022] Open
Abstract
Background Fertility preservation by whole ovary cryopreservation and transplantation (WOCP&TP) with vascular anastomosis requires successful cryopreservation. In this study, we investigated the possibility of restoring ovarian function and natural fertility after WOCP&TP in a premature ovarian insufficiency (POI) rat model. The influence of cryopreservation on the offspring of rats following WOCP&TP was also explored. Method Rats aged 8-10 weeks were used as donors and recipients for allotransplantation. Fifteen rat whole ovaries were divided into three groups: the optimized group, the conventional group, and the fresh group. Different perfusion modes were used before cryopreservation and after thawing. Whole ovaries were observed by morphologic analysis, immunohistochemical staining, and transferase-mediated deoxyuridine triphosphate nick end-labeling assay. Ovarian function and fertility after WOCP&TP were then observed in 25 cyclophosphamide-induced POI rats for 8 months. Ovarian function was assessed by vaginal smears and blood hormone levels. Fertility restoration was quantified as the live birth rate after mating. The filial generation of rats was mated at 8-10 weeks of age. Offspring were observed for birth defect. Results Histological evaluation demonstrated intact morphology of follicles in all groups, with 77.6% of the total number of follicles identified as intact in the optimized group. The apoptotic rates of ovarian cells in the optimized group were significantly lower than that in the conventional group. Of the 20 live POI rats, 14 (70%) began to recover ovarian function after 2 weeks of transplantation, with normal hormone levels achieved 4 weeks after transplantation. Four of 14 rats were pregnant and delivered live offspring. One rat had a second pregnancy and delivered a second litter of live offspring. When the offspring matured, they were mated, and second and third generations of rats were born. All offspring had no abnormalities in appearance. Conclusions High rates of restoration of ovarian function and natural fertility with multiple generations of offspring were obtained following WOCP&TP in a cyclophosphamide-induced POI rat model by utilizing optimized perfusion. Cryopreservation did not affect the viability of successive generations.
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Development of macaque secondary follicles exposed to neutral red prior to 3-dimensional culture. J Assist Reprod Genet 2017; 35:71-79. [PMID: 28936565 DOI: 10.1007/s10815-017-1043-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 09/07/2017] [Indexed: 10/18/2022] Open
Abstract
PURPOSE Neutral red (NR) may assist identification of preantral follicles in pieces of cortical tissue prior to cryopreservation in cancer patients requesting fertility preservation. This study is the first to analyze this effect by follicle growth rate after long-term culture in primates. METHODS Ovarian cortex was obtained from adult rhesus macaques, was cut into fragments, and was incubated with NR. Secondary follicles were readily visualized following NR staining and then were encapsulated into alginate beads and cultured individually for 4 weeks in αMEM media supplemented with 10 ng/ml FSH at 5% O2. RESULTS The survival rates of secondary follicles during culture were similar between those derived from control tissue (71 ± 13%) and those treated with NR (68 ± 9%). The proportion of surviving follicles that formed an antrum were also similar in both groups (70 ± 17% control; 48 ± 24% NR-treated). Follicle diameters were not different between control follicles (184 ± 5μm) and those stained with NR (181 ± 7 μm) on the day of isolation. The percentages of surviving follicles within three cohorts based on their diameters at week 4 of culture were similar between the control group and NR-stained tissue group, fast-grow follicles (24 ± 6% vs. 13 ± 10%), slow-grow follicles (66 ± 5% vs. 60 ± 9%), or no-grow (10 ± 9% vs. 27 ± 6%), respectively. There were no differences in follicle diameters between groups during the culture period. Pre-exposure of secondary follicles to NR diminished their capacity to produce both estradiol and androstenedione by week 4 of culture, when follicles are exhibiting an antrum. Inhibitory effects of NR on steroid production by slow-grow follicles was less pronounced. CONCLUSIONS NR does not affect secondary follicle survival, growth, and antrum formation during long-term culture, but steroid hormone production by fast-grow follicles is compromised. NR can be used as a non-invasive tool for in situ identification of viable secondary follicles in ovarian cortex before tissue cryopreservation without affecting follicle survival and growth in vitro. Whether maturation or developmental competence of oocytes derived from antral follicles in 3D culture that were previously isolated from NR-stained tissue is normal or compromised remains to be determined. Likewise, the functional consequences of pre-exposure to NR prior to ovarian cortical tissue cryopreservation and transplantation are unknown.
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Amoushahi M, Salehnia M, Mowla SJ, Ghorbanmehr N. Morphological and Molecular Aspects of In Vitro Culture of Preantral Follicles Derived from Vitrified Ovarian. CELL JOURNAL 2017; 19:332-342. [PMID: 28836396 PMCID: PMC5570399 DOI: 10.22074/cellj.2017.4264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/15/2016] [Accepted: 08/13/2016] [Indexed: 11/04/2022]
Abstract
Objective This study aimed to evaluate the expression of the genes related to folliculo-genesis after vitrification of mouse ovarian tissues using a two-step in vitro culture.
Materials and Methods In this experimental study, vitrified and non-vitrified ovaries from
7- day old (neonate) female mice were cultured using alpha-Minimum Essential Medium
(α-MEM) supplemented with 5% fetal bovine serum (FBS) for 7 days. Morphology, surface
area of ovaries and percentage of normal follicles were evaluated and compared in both
groups. After one-week culture, in non-vitrified group, preantral follicles of cultured ovaries
were isolated and cultured in a three-dimensional alginate culture system for 12 days.
Then, the collected metaphase (M) II oocytes were inseminated with capacitated spermatozoa derived from 7-8-week old (adult) male NMRI mice. Follicular diameter, oocyte maturation, fertilization, embryo development and the expression of genes related to follicular
development (Pcna, Fshr and Cyp17a1,) using real time reverse transcription-polymerase
chain reaction (RT-PCR) were assessed at the end of last culture period in both groups.
Results The ovarian area in vitrified group (162468.20 703.78) was less than non-vitrified
group (297211.40 6671.71), while the percentage of preantral follicles in vitrified group
(18.40%) was significantly lower than those of non-vitrified group (24.50%) on day 7 of
culture (P<0.05). There were no significant differences between the two groups in terms of
follicular diameter, expression of genes related to development of follicles, oocyte maturation, fertilization, as well as embryo development (P>0.05).
Conclusion The results of this study showed that vitrification of ovarian tissue following
in vitro culture had negative impact on the survival and development of follicles within the
tissue. However, no significant alterations were observed in development, gene expression and hormonal production of in vitro culture of isolated follicles derived from vitrified
ovarian tissues as compared to the non-vitrified samples.
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Affiliation(s)
| | - Mojdeh Salehnia
- Department of Anatomy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Seyed Javad Mowla
- Department of Biotechnology, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Nassim Ghorbanmehr
- Department of Biotechnology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
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Carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP) pre-exposure ensures follicle integrity during in vitro culture of ovarian tissue but not during cryopreservation in the domestic cat model. J Assist Reprod Genet 2016; 33:1621-1631. [PMID: 27639998 DOI: 10.1007/s10815-016-0810-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 09/06/2016] [Indexed: 10/21/2022] Open
Abstract
PURPOSE Temporary and reversible downregulation of metabolism may improve the survival of tissues exposed to non-physiological conditions during transport, in vitro culture, and cryopreservation. The objectives of the study were to (1) optimize the concentration and duration of carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP-a mitochondrial uncoupling agent) exposures for biopsies of domestic cat ovarian tissue and (2) examine the effects of FCCP pre-exposures on follicle integrity after tissue culture and/or cryopreservation. METHODS Biopsies of cat ovarian tissue were first treated with various concentrations of FCCP (0, 10, 40, or 200 nM) for 10 or 120 min to determine the most suitable pre-exposure conditions. Based on these results, tissues were pre-exposed to 200 nM FCCP for 120 min for the subsequent studies on culture and cryopreservation. In all experiments and for each treatment group, tissue activity and integrity were measured by mitochondrial membrane potential (relative optical density of rhodamine 123 fluorescence), follicular viability (calcein assay), follicular morphology (histology), granulosa cell proliferation (Ki-67 immunostaining), and follicular density. RESULTS Ovarian tissues incubated with 200 nM FCCP for 120 min led to the lowest mitochondrial activity (1.17 ± 0.09; P < 0.05) compared to control group (0 nM; 1.30 ± 0.12) while maintaining a constant percentage of viable follicles (75.3 ± 7.8 %) similar to the control group (71.8 ± 11.7 %; P > 0.05). After 2 days of in vitro culture, percentage of viable follicles (78.8 ± 8.9 %) in similar pre-exposure conditions was higher (P < 0.05) than in the absence of FCCP (61.2 ± 12.0 %) with percentages of morphologically normal follicles (57.6 ± 17.3 %) not different from the fresh tissue (70.2 ± 7.1 %; P > 0.05). Interestingly, percentages of cellular proliferation and follicular density were unaltered by the FCCP exposures. Based on the indicators mentioned above, the FCCP-treated tissue fragments did not have a better follicle integrity after freezing and thawing. CONCLUSIONS Pre-exposure to 200 nM FCCP during 120 min protects and enhances the follicle integrity in cat ovarian tissue during short-term in vitro culture. However, FCCP does not appear to exert a beneficial or detrimental effect during ovarian tissue cryopreservation.
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Yun JW, Kim YY, Ahn JH, Kang BC, Ku SY. Use of nonhuman primates for the development of bioengineered female reproductive organs. Tissue Eng Regen Med 2016; 13:323-334. [PMID: 30603414 DOI: 10.1007/s13770-016-9091-4] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Revised: 11/13/2015] [Accepted: 12/09/2015] [Indexed: 01/02/2023] Open
Abstract
Nonhuman primates (NHPs) have been widely used in reproductive biology, neuroscience, and drug development since a number of primate species are phylogenetically close to humans. In this review, we summarize the use of NHPs for nonclinical application in the reproductive system disorders including the loss or failure of an organ or tissue. Causes of infertility include congenital aplasia and acquired disorders of the reproductive organs. In addition, anti-cancer treatments can deplete ovarian follicles, leading to premature ovarian failure, infertility and long-term health risks. Along with a limited supply of human reproductive organs, anatomic/physiologic similarities to humans support the need for NHP models (New-World monkeys such as the common marmoset and Old-World monkeys such as cynomolgus and rhesus monkeys) to promote the advances in female infertility studies. For maintaining and executing animal studies using NHP, special protocols including animal care, anesthetic protocol, surgical technique, and immunosuppressive protocol are necessary. With a growing interest in the potential therapies such as endometrial tissue engineering, and ovary/follicle cryopreservation and grafting in Korea, this review can be useful in selecting appropriate animal models and can bridge between nonclinical studies and clinical applications by providing detailed information on the use of NHPs in the field of reproductive organ disorders.
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Affiliation(s)
- Jun-Won Yun
- 1Department of Experimental Animal Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea
| | - Yoon Young Kim
- 2Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea
| | - Jae Hun Ahn
- 1Department of Experimental Animal Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,3Graduate School of Translational Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Byeong-Cheol Kang
- 1Department of Experimental Animal Research, Biomedical Research Institute, Seoul National University Hospital, Seoul, Korea.,3Graduate School of Translational Medicine, Seoul National University College of Medicine, Seoul, Korea.,4Designed Animal Research Center, Institute of GreenBio Science Technology, Seoul National University, Pyeongchang, Korea.,5Biomedical Center for Animal Resource and Development, N-BIO, Seoul National University, Seoul, Korea.,6Department of Obstetrics and Gynecology, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
| | - Seung-Yup Ku
- 2Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul, Korea.,7Graduate School of Translational Medicine, Seoul National University College of Medicine, 101 Daehak-ro, Jongno-gu, Seoul, 03080 Korea
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Hariya M, Suzuki H. Incidence of Apoptotic Cells After Vitrification in Canine Ovarian Tissues. ACTA ACUST UNITED AC 2016. [DOI: 10.1274/jmor.33.69] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Hariya M, Suzuki H. Incidence of Apoptotic Cells After Vitrification in Canine Ovarian Tissues. ACTA ACUST UNITED AC 2016. [DOI: 10.1274/032.033.0101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Zeng YC, Tang HR, Zeng LP, Chen Y, Wang GP, Wu RF. Assessment of the effect of different vitrification solutions on human ovarian tissue after short-term xenotransplantation onto the chick embryo chorioallantoic membrane. Mol Reprod Dev 2016; 83:359-69. [PMID: 26924442 DOI: 10.1002/mrd.22631] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Accepted: 02/20/2016] [Indexed: 12/30/2022]
Affiliation(s)
- Yu-Cui Zeng
- Department of Gynecology and Obstetrics; Peking University Shenzhen Hospital; Shenzhen China
| | - Hui-Ru Tang
- Department of Gynecology and Obstetrics; Peking University Shenzhen Hospital; Shenzhen China
- Section of Gynecological Endocrinology Medicine; Shenzhen China
| | - Li-Ping Zeng
- Department of Gynecology and Obstetrics; Peking University Shenzhen Hospital; Shenzhen China
- Section of Gynecological Endocrinology Medicine; Shenzhen China
| | - Yun Chen
- Department of Ultrasound; Peking University Shenzhen Hospital; Shenzhen China
| | - Guo-Ping Wang
- Department of Gynecology and Obstetrics; Peking University Shenzhen Hospital; Shenzhen China
- Section of Gynecological Endocrinology Medicine; Shenzhen China
| | - Rui-Fang Wu
- Department of Gynecology and Obstetrics; Peking University Shenzhen Hospital; Shenzhen China
- Key Laboratory of Gynecological Diagnostic Technology Research; Shenzhen China
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Tanpradit N, Comizzoli P, Srisuwatanasagul S, Chatdarong K. Positive impact of sucrose supplementation during slow freezing of cat ovarian tissues on cellular viability, follicle morphology, and DNA integrity. Theriogenology 2015; 83:1553-61. [DOI: 10.1016/j.theriogenology.2015.01.035] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 01/29/2015] [Accepted: 01/31/2015] [Indexed: 11/30/2022]
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Kit ligand decreases the incidence of apoptosis in cultured vitrified whole mouse ovaries. Reprod Biomed Online 2015; 30:493-503. [DOI: 10.1016/j.rbmo.2015.01.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2014] [Revised: 01/11/2015] [Accepted: 01/14/2015] [Indexed: 11/19/2022]
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Gauthier T, Piver P, Pichon N, Bibes R, Guillaudeau A, Piccardo A, Pesteil F, Tricard J, Gardet E, Laskar M, Lalloué F, Marquet P, Aubard Y. Uterus retrieval process from brain dead donors. Fertil Steril 2014; 102:476-82. [DOI: 10.1016/j.fertnstert.2014.04.016] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 04/10/2014] [Accepted: 04/10/2014] [Indexed: 01/22/2023]
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Sudhakaran S, Uppangala S, Salian SR, Honguntikar SD, Nair R, Kalthur G, Adiga SK. Oocytes recovered after ovarian tissue slow freezing have impaired H2AX phosphorylation and functional competence. Reprod Fertil Dev 2014; 27:1242-8. [PMID: 25023890 DOI: 10.1071/rd14048] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2014] [Accepted: 05/08/2014] [Indexed: 11/23/2022] Open
Abstract
It has been shown that oocytes isolated from ovarian tissue cryopreservation acquire DNA damage during the process of freeze-thawing. Using a mouse model, here we have investigated the functional competence and phosphorylation of H2AX (γ-H2AX) in germinal vesicle (GV) and parthenogenetically activated oocytes derived from conventional ovarian tissue slow freezing and vitrification techniques. The number of GV-stage oocytes with γ-H2AX foci was not significantly different between the slow-freezing and vitrification groups. Although the in vitro maturation (IVM) potential of GV oocytes in the slow-freezing group showed a significant delay (P<0.0001) in the process of germinal vesicle breakdown, no difference in the maturation rate was observed between the two protocols. Nevertheless, parthenogenetic activation of IVM oocytes using strontium chloride showed a significantly lower activation rate in the slow-freezing group compared with the vitrification (P<0.05) and control (P<0.01) groups. Importantly, H2AX phosphorylation was significantly perturbed in the slow-freezing group in comparison to the control (P<0.05). Therefore, we conclude that impaired sensing of DNA strand breaks and repair processes are associated with the reduced functional competence of the oocytes recovered from the slow-freezing group, which may have a significant impact on the reproductive outcome.
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Affiliation(s)
- Sam Sudhakaran
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Shubhashree Uppangala
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Sujith Raj Salian
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Sachin D Honguntikar
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Ramya Nair
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Guruprasad Kalthur
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
| | - Satish Kumar Adiga
- Division of Clinical Embryology, Department of Obstetrics and Gynaecology, Kasturba Medical College, Manipal University, Manipal-576 104, India
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Efficacy of ovarian tissue cryopreservation in a major European center. J Assist Reprod Genet 2014; 31:1003-12. [PMID: 24928054 DOI: 10.1007/s10815-014-0239-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Accepted: 04/14/2014] [Indexed: 10/25/2022] Open
Abstract
PURPOSE To evaluate the effect of cryopreservation and thawing of ovarian tissue from oncological patients opting for fertility preservation on ovarian tissue viability. METHODS In this prospective cohort study, the ovarian tissue viability before and after cryopreservation and thawing was measured for 25 newly diagnosed oncological patients who had their ovarian tissue cryopreserved. Outcome measures were follicle integrity (histology), follicle viability (Calcein viability assay), steroid hormone production (estradiol and progesterone production in vitro) and overall tissue viability (glucose uptake in vitro). This study was conducted at a Cryobank for storage of ovarian tissue in a university hospital. RESULTS Cryopreserved/thawed ovarian tissue showed a decreased glucose uptake when compared to tissue that had not been cryopreserved. In addition, a diminished E2 and P4 production was observed after cryopreservation and thawing, despite the fact that numbers of viable follicles as determined by the Calcein viability assay were comparable. Histological examination revealed a higher percentage of degenerated follicles after cryopreservation and thawing. CONCLUSIONS Ovarian tissue cryopreservation and thawing impairs the viability of ovarian tissue in oncological patients opting for fertility preservation.
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Mathias FJ, D'Souza F, Uppangala S, Salian SR, Kalthur G, Adiga SK. Ovarian tissue vitrification is more efficient than slow freezing in protecting oocyte and granulosa cell DNA integrity. Syst Biol Reprod Med 2014; 60:317-22. [PMID: 24896655 DOI: 10.3109/19396368.2014.923542] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Ovarian tissue cryopreservation is the primary treatment modality currently available to women at risk of losing their ovarian function due to cytotoxic therapy. However, the impact of these techniques on the oocyte DNA integrity is not elucidated. Here we have investigated the effect of vitrification and conventional slow freezing of eight week old Swiss albino mouse ovarian tissues on the oocyte and granulosa cell DNA integrity using the comet assay. The intracellular levels of reactive oxygen species in oocytes was measured by 2',7'-dichlorodihydrofluorescein diacetate fluorescence. The cryopreservation of ovarian tissue by the slow freezing technique resulted in a significantly higher level of DNA fragmentation in oocytes in comparison to vitrification (p < 0.05) whereas DNA fragmentation in granulosa cells was significantly higher than the control (p < 0.01). Further, reactive oxygen species were significantly elevated in oocytes derived from slow freezing when compared to vitrification (p < 0.05). Therefore, we conclude that the ovarian tissue slow freeze-thawing makes the oocyte and granulosa cells more vulnerable to DNA damage whereas vitrification appears to be a safer method than slow freezing for ovarian tissue cryopreservation.
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Affiliation(s)
- Freya Jothsna Mathias
- Division of Clinical Embryology, Department of Obstetrics and Gynecology, Kasturba Medical College, Manipal University , Manipal , India
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Wu S, Divall S, Nwaopara A, Radovick S, Wondisford F, Ko C, Wolfe A. Obesity-induced infertility and hyperandrogenism are corrected by deletion of the insulin receptor in the ovarian theca cell. Diabetes 2014; 63:1270-82. [PMID: 24379345 PMCID: PMC3964497 DOI: 10.2337/db13-1514] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Women with polycystic ovary syndrome (PCOS) exhibit elevated androgen levels, oligoanovulation, infertility, and insulin resistance in metabolic tissues. The aims of these studies were to determine the role of insulin signaling in the development and function of ovarian theca cells and the pathophysiologic effects of hyperinsulinism on ovarian function in obesity. We disrupted the insulin receptor (IR) gene specifically in the theca-interstitial (TI) cells of the ovaries (Cyp17IRKO). No changes in reproductive development or function were observed in lean Cyp17IRKO female mice, suggesting that insulin signaling in TI cell is not essential for reproduction. However, when females were fed a high-fat diet, diet-induced obesity (DIO) wild-type (DIO-WT) mice were infertile and experienced increased circulating testosterone levels, whereas DIO-Cyp17IRKO mice exhibited improved fertility and testosterone levels comparable to those found in lean mice. The levels of phosphorylated IRS1 and CYP17 protein were higher in the ovary of DIO-WT compared with DIO-Cyp17IRKO or lean mice. Ex vivo studies using a whole ovary culture model demonstrated that insulin acts independently or additively with human chorionic gonadotropin to enhance androstenedione secretion. These studies reveal the causal pathway linking hyperinsulinism with ovarian hyperandrogenism and the infertility of obesity.
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Affiliation(s)
- Sheng Wu
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
- Corresponding author: Sheng Wu,
| | - Sara Divall
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Amanda Nwaopara
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sally Radovick
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Fredric Wondisford
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
| | - CheMyong Ko
- Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, Urbana, IL
| | - Andrew Wolfe
- Division of Pediatric Endocrinology, Johns Hopkins University School of Medicine, Baltimore, MD
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Ovarian tissue cryopreservation: a committee opinion. Fertil Steril 2014; 101:1237-43. [PMID: 24684955 DOI: 10.1016/j.fertnstert.2014.02.052] [Citation(s) in RCA: 166] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Accepted: 02/27/2014] [Indexed: 10/25/2022]
Abstract
Ovarian tissue cryopreservation is an option to preserve reproductive potential in patients who must urgently undergo aggressive chemotherapy and/or radiotherapy or who have other medical conditions requiring treatment that may threaten ovarian function and subsequent fertility. Ovarian tissue cryopreservation may be the only option available to prepubertal girls undergoing such treatments. However, these techniques are still considered to be experimental. This document outlines the current technology, clinical outcomes, and risks of ovarian tissue cryopreservation and recommendations for clinical applications. This document and the document "Mature Oocyte Cryopreservation: A Guideline" published in 2013 (Fertil Steril 2013;99:37-43) replace the document "Ovarian Tissue and Oocyte Cryopreservation" last published in 2008 (Fertil Steril 2008;90:S241-6).
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Influence of the vitrification solution on the angiogenic factors in vitrificated mouse ovarian tissue. Obstet Gynecol Sci 2013; 56:382-8. [PMID: 24396817 PMCID: PMC3859015 DOI: 10.5468/ogs.2013.56.6.382] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 07/03/2013] [Accepted: 07/17/2013] [Indexed: 11/21/2022] Open
Abstract
Objective To investigate the effect of the dimethyl sulfoxide (DMSO) and EFS-40 during vitrification on the expression of angiogenic factors in vitrified mouse ovarian tissue. Methods The ovarian tissues were obtained from 5 or 6 weeks aged ICR mouse. Ovarian tissues were divided into four groups: ovarian tissue without cryopreservation (control, group I), ovarian tissue vitrified with 15% DMSO (group II), ovarian tissue vitrified with EFS-40 (group III), and ovarian tissue slowly frozen with 10% DMSO (group IV). Thawing was carried out at room temperature. Levels of messenger RNA (mRNA) and protein for vascular endothelial growth factor-A (VEGF-A) and angiopoietin-2 (Angpt-2) were checked in ovarian tissues of four groups recovered on day 7 after cryopreservation. Reverse transcription-polymerase chain reaction and Western blot analysis were used to identify the levels of angiogenic factors in mouse ovarian tissues. Results Levels of mRNA and protein for VEGF-A and Angpt-2 were significantly decreased in cryopreserved group (group II, III and IV) than control group (group I) (P< 0.05). The significant differences of levels of mRNA and protein for VEGF-A and Angpt-2 between cryopreservation methods were observed (P< 0.05). Group III showed highest expression of mRNA and protein for VEFG-A and Angpt-2 than other cryopreservation groups (P< 0.05). Conclusion These findings suggest that EFS-40 is more efficient vitrification solution for preservation of angiogenic factors than 15% DMSO during vitrification of mouse ovarian tissue. Future studies should investigate to improve the vitrification solution for ovarian tissue vitrification.
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Abdi S, Salehnia M, Hosseinkhani S. Evaluation of apoptosis in long-term culture of vitrified mouse whole ovaries. Res Vet Sci 2013; 96:1-4. [PMID: 24216075 DOI: 10.1016/j.rvsc.2013.09.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Revised: 09/22/2013] [Accepted: 09/28/2013] [Indexed: 11/18/2022]
Abstract
The purpose of the present study was to investigate the development of follicles and incidence of apoptosis in vitrified neonatal mouse ovaries cultured in vitro in the presence of leukemia inhibitory factor (LIF). The vitrified and non-vitrified ovaries of 1-week-old mouse were cultured in the presence or absence of LIF for 7 days. At the beginning and at the end of culture period in each ovary of all groups of study the mean area and the development of ovarian follicles were analyzed; moreover, the incidence of apoptosis was assessed by transmission electron microscopy, terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nick end-labeling (TUNEL) method, DNA laddering and caspase-3/7 activity technique. The hormonal assay was done on the conditioned media collected during culture period. The proportion of preantral follicles and the levels of hormones increased in all cultured groups and it was significantly higher in LIF treated groups than in their control (P<0.001). The ultrastructural characteristics of cell death, DNA fragmentation and TUNEL positive signals were prominent in vitrified cultured ovaries. The level of caspase-3/7 activity was higher in vitrified cultured ovaries. LIF supplementation during 7 days of culture appeared to significantly preserve cells function and increase the follicular development of both vitrified and non-vitrified ovaries.
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Affiliation(s)
- Shabnam Abdi
- Anatomy Department, Tarbiat Modares University, Tehran, Iran
| | - Mojdeh Salehnia
- Anatomy Department, Tarbiat Modares University, Tehran, Iran.
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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Alberti LR, Vasconcellos LDS, Petroianu A. Autologous and allogeneic ovarian orthotopic transplantation: morphologic, endocrinologic and natural pregnancy assessment. Acta Cir Bras 2013; 28:59-65. [PMID: 23338115 DOI: 10.1590/s0102-86502013000100010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Accepted: 11/22/2012] [Indexed: 11/22/2022] Open
Abstract
PURPOSE To assess pregnancy of rabbits submitted to bilateral ovariectomy and orthotopic allogeneic or autologous intact and sliced ovarian transplantation without a vascular pedicle and to determine the morphofunctional aspects of the transplanted ovaries. METHODS Fifty-six female rabbits were studied. The ovaries were removed and orthotopically transplanted or replaced without vascular anastomoses: Group 1 (n=8), only laparotomy and laparorrhaphy, Group 2A (n=8) intact ovaries were transplanted on both sides, Group 2B (n=8) both ovaries were sliced and orthotopically transplanted, Group 2C (n=8), an intact ovary was transplanted on one side and a sliced ovary on the other side. In Group 3 the ovaries were reimplanted according to the procedure and subgroups described for Group 2. Three months later, the animals were paired with males for copulation. Estradiol, progesterone, FSH and LH hormone levels were assessed. A histologic study was carried out, and the number of pregnancies and litters were also determined. Chi-square test compared the number of pregnancies and litters. One-way ANOVA and the Tukey-Kramer tests compared the hormonal dosages. RESULTS Pregnancies occurred in seven (87.5%) rabbits of Group 1, in three rabbits (37.5%) of Groups 2A and 3A, in four rabbits (50%) of groups 2B, 3B and 3C, and in five (62.5%) of group 2C. Normal hormone serum levels and histology confirmed the vitality of all ovaries. CONCLUSION Orthotopic allogeneic and autologous ovarian transplantation without a vascular pedicle is viable in rabbits, and preserves their hormonal levels and fertile functions.
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Renzi S, Lombardo T, Dotti S, Dessì SS, De Blasio P, Ferrari M. Mesenchymal Stromal Cell Cryopreservation. Biopreserv Biobank 2012; 10:276-81. [DOI: 10.1089/bio.2012.0005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Sabrina Renzi
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna (IZSLER), Brescia, Italy
| | - Tina Lombardo
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna (IZSLER), Brescia, Italy
| | - Silvia Dotti
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna (IZSLER), Brescia, Italy
| | | | | | - Maura Ferrari
- Istituto Zooprofilattico Sperimentale della Lombardia e dell'Emilia Romagna (IZSLER), Brescia, Italy
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