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Di Berardino C, Peserico A, Camerano Spelta Rapini C, Liverani L, Capacchietti G, Russo V, Berardinelli P, Unalan I, Damian-Buda AI, Boccaccini AR, Barboni B. Bioengineered 3D ovarian model for long-term multiple development of preantral follicle: bridging the gap for poly(ε-caprolactone) (PCL)-based scaffold reproductive applications. Reprod Biol Endocrinol 2024; 22:95. [PMID: 39095895 PMCID: PMC11295475 DOI: 10.1186/s12958-024-01266-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 07/24/2024] [Indexed: 08/04/2024] Open
Abstract
BACKGROUND Assisted Reproductive Technologies (ARTs) have been validated in human and animal to solve reproductive problems such as infertility, aging, genetic selection/amplification and diseases. The persistent gap in ART biomedical applications lies in recapitulating the early stage of ovarian folliculogenesis, thus providing protocols to drive the large reserve of immature follicles towards the gonadotropin-dependent phase. Tissue engineering is becoming a concrete solution to potentially recapitulate ovarian structure, mostly relying on the use of autologous early follicles on natural or synthetic scaffolds. Based on these premises, the present study has been designed to validate the use of the ovarian bioinspired patterned electrospun fibrous scaffolds fabricated with poly(ε-caprolactone) (PCL) for multiple preantral (PA) follicle development. METHODS PA follicles isolated from lamb ovaries were cultured on PCL scaffold adopting a validated single-follicle protocol (Ctrl) or simulating a multiple-follicle condition by reproducing an artificial ovary engrafted with 5 or 10 PA (AO5PA and AO10PA). The incubations were protracted for 14 and 18 days before assessing scaffold-based microenvironment suitability to assist in vitro folliculogenesis (ivF) and oogenesis at morphological and functional level. RESULTS The ivF outcomes demonstrated that PCL-scaffolds generate an appropriate biomimetic ovarian microenvironment supporting the transition of multiple PA follicles towards early antral (EA) stage by supporting follicle growth and steroidogenic activation. PCL-multiple bioengineering ivF (AO10PA) performed in long term generated, in addition, the greatest percentage of highly specialized gametes by enhancing meiotic competence, large chromatin remodeling and parthenogenetic developmental competence. CONCLUSIONS The study showcased the proof of concept for a next-generation ART use of PCL-patterned scaffold aimed to generate transplantable artificial ovary engrafted with autologous early-stage follicles or to advance ivF technologies holding a 3D bioinspired matrix promoting a physiological long-term multiple PA follicle protocol.
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Affiliation(s)
- Chiara Di Berardino
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy.
| | - Alessia Peserico
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Chiara Camerano Spelta Rapini
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Liliana Liverani
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058, Erlangen, Germany
- DGS SpA, Via Paolo di Dono 73, 00142, Rome, Italy
| | - Giulia Capacchietti
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Valentina Russo
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Paolo Berardinelli
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Irem Unalan
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Andrada-Ioana Damian-Buda
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058, Erlangen, Germany
| | - Barbara Barboni
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
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Bordás L, Somoskői B, Török D, Vincze BN, Cseh S. Post-thaw viability of mouse preantral follicles after cryopreservation with cryotube freezing and OPS vitrification procedures. Reprod Biol 2023; 23:100752. [PMID: 36905824 DOI: 10.1016/j.repbio.2023.100752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 03/11/2023]
Abstract
In the field of reproductive science, there is an increased interest in the application of ovarian preantral follicles. Since the ovary contains a great amount of preantral follicles (PAF), the cryopreservation and in vitro culture of such follicles support the fertility preservation of domestic animals with high genetic value, endangered or zoo animals, and women before anticancer therapy. To date, no standard freezing or vitrification protocol is available in human or animals. The aim of the present study was to examine the viability of preantral follicles cryopreserved using freezing or vitrification protocols: cryotube freezing or OPS vitrification.
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Affiliation(s)
- Lilla Bordás
- University of Veterinary Medicine Budapest Department of Obstetrics and Food Animal Medicine Clinic, István st. 2, 1078 Budapest, Hungary
| | - Bence Somoskői
- University of Veterinary Medicine Budapest Department of Obstetrics and Food Animal Medicine Clinic, István st. 2, 1078 Budapest, Hungary.
| | - Dóra Török
- University of Veterinary Medicine Budapest Department of Obstetrics and Food Animal Medicine Clinic, István st. 2, 1078 Budapest, Hungary
| | - Boglárka Nóra Vincze
- University of Veterinary Medicine Budapest Department of Obstetrics and Food Animal Medicine Clinic, István st. 2, 1078 Budapest, Hungary
| | - Sándor Cseh
- University of Veterinary Medicine Budapest Department of Obstetrics and Food Animal Medicine Clinic, István st. 2, 1078 Budapest, Hungary
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Di Berardino C, Liverani L, Peserico A, Capacchietti G, Russo V, Bernabò N, Tosi U, Boccaccini AR, Barboni B. When Electrospun Fiber Support Matters: In Vitro Ovine Long-Term Folliculogenesis on Poly (Epsilon Caprolactone) (PCL)-Patterned Fibers. Cells 2022; 11:cells11121968. [PMID: 35741097 PMCID: PMC9222101 DOI: 10.3390/cells11121968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/17/2022] [Indexed: 12/14/2022] Open
Abstract
Current assisted reproduction technologies (ART) are insufficient to cover the slice of the population needing to restore fertility, as well as to amplify the reproductive performance of domestic animals or endangered species. The design of dedicated reproductive scaffolds has opened the possibility to better recapitulate the reproductive 3D ovarian environment, thus potentially innovating in vitro folliculogenesis (ivF) techniques. To this aim, the present research has been designed to compare ovine preantral follicles in vitro culture on poly(epsilon-caprolactone) (PCL)-based electrospun scaffolds designed with different topology (Random vs. Patterned fibers) with a previously validated system. The ivF performances were assessed after 14 days under 3D-oil, Two-Step (7 days in 3D-oil and on scaffold), or One-Step PCL protocols (14 days on PCL-scaffold) by assessing morphological and functional outcomes. The results show that Two- and One-Step PCL ivF protocols, when performed on patterned scaffolds, were both able to support follicle growth, antrum formation, and the upregulation of follicle marker genes leading to a greater oocyte meiotic competence than in the 3D-oil system. In conclusion, the One-Step approach could be proposed as a practical and valid strategy to support a synergic follicle-oocyte in vitro development, providing an innovative tool to enhance the availability of matured gametes on an individual basis for ART purposes.
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Affiliation(s)
- Chiara Di Berardino
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
- Correspondence:
| | - Liliana Liverani
- Institute of Biomaterials, Department of Materials Science and Engineering, Friedrich-Alexander University of Erlangen-Nuremberg, 91054 Erlangen, Germany; (L.L.); (A.R.B.)
| | - Alessia Peserico
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
| | - Giulia Capacchietti
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
| | - Valentina Russo
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
| | - Nicola Bernabò
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
| | - Umberto Tosi
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
| | - Aldo Roberto Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, Friedrich-Alexander University of Erlangen-Nuremberg, 91054 Erlangen, Germany; (L.L.); (A.R.B.)
| | - Barbara Barboni
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100 Teramo, Italy; (A.P.); (G.C.); (V.R.); (N.B.); (U.T.); (B.B.)
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Equine Chorionic Gonadotropin as an Effective FSH Replacement for In Vitro Ovine Follicle and Oocyte Development. Int J Mol Sci 2021; 22:ijms222212422. [PMID: 34830304 PMCID: PMC8619287 DOI: 10.3390/ijms222212422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 11/15/2021] [Accepted: 11/15/2021] [Indexed: 11/19/2022] Open
Abstract
The use of assisted reproductive technologies (ART) still requires strategies through which to maximize individual fertility chances. In vitro folliculogenesis (ivF) may represent a valid option to convey the large source of immature oocytes in ART. Several efforts have been made to set up ivF cultural protocols in medium-sized mammals, starting with the identification of the most suitable gonadotropic stimulus. In this study, Equine Chorionic Gonadotropin (eCG) is proposed as an alternative to Follicle Stimulating Hormone (FSH) based on its long superovulation use, trans-species validation, long half-life, and low costs. The use of 3D ivF on single-ovine preantral (PA) follicles allowed us to compare the hormonal effects and to validate their influence under two different cultural conditions. The use of eCG helped to stimulate the in vitro growth of ovine PA follicles by maximizing its influence under FBS-free medium. Higher performance of follicular growth, antrum formation, steroidogenic activity and gap junction marker expression were recorded. In addition, eCG, promoted a positive effect on the germinal compartment, leading to a higher incidence of meiotic competent oocytes. These findings should help to widen the use of eCG to ivF as a valid and largely available hormonal support enabling a synchronized in vitro follicle and oocyte development.
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Bourdon G, Cadoret V, Charpigny G, Couturier-Tarrade A, Dalbies-Tran R, Flores MJ, Froment P, Raliou M, Reynaud K, Saint-Dizier M, Jouneau A. Progress and challenges in developing organoids in farm animal species for the study of reproduction and their applications to reproductive biotechnologies. Vet Res 2021; 52:42. [PMID: 33691745 PMCID: PMC7944619 DOI: 10.1186/s13567-020-00891-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/29/2020] [Indexed: 02/06/2023] Open
Abstract
Within the past decades, major progress has been accomplished in isolating germ/stem/pluripotent cells, in refining culture medium and conditions and in establishing 3-dimensional culture systems, towards developing organoids for organs involved in reproduction in mice and to some extent in humans. Haploid male germ cells were generated in vitro from primordial germ cells. So were oocytes, with additional support from ovarian cells and subsequent follicle culture. Going on with the female reproductive tract, spherical oviduct organoids were obtained from adult stem/progenitor cells. Multicellular endometrial structures mimicking functional uterine glands were derived from endometrial cells. Trophoblastic stem cells were induced to form 3-dimensional syncytial-like structures and exhibited invasive properties, a crucial point for placentation. Finally, considering the embryo itself, pluripotent embryonic cells together with additional extra-embryonic cells, could self-organize into a blastoid, and eventually into a post-implantation-like embryo. Most of these accomplishments have yet to be reached in farm animals, but much effort is devoted towards this goal. Here, we review the progress and discuss the specific challenges of developing organoids for the study of reproductive biology in these species. We consider the use of such organoids in basic research to delineate the physiological mechanisms involved at each step of the reproductive process, or to understand how they are altered by environmental factors relevant to animal breeding. We evaluate their potential in reproduction of animals with a high genetic value, from a breeding point of view or in the context of preserving local breeds with limited headcounts.
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Affiliation(s)
- Guillaume Bourdon
- INRAE, CNRS, Université de Tours, IFCE, PRC, 37380, Nouzilly, France
| | - Véronique Cadoret
- INRAE, CNRS, Université de Tours, IFCE, PRC, 37380, Nouzilly, France
- CHU Bretonneau, Médecine et Biologie de la Reproduction-CECOS, 37044, Tours, France
| | - Gilles Charpigny
- Université Paris-Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire D'Alfort, BREED, 94700, Maisons-Alfort, France
| | - Anne Couturier-Tarrade
- Université Paris-Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire D'Alfort, BREED, 94700, Maisons-Alfort, France
| | | | - Maria-José Flores
- Université Paris-Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire D'Alfort, BREED, 94700, Maisons-Alfort, France
| | - Pascal Froment
- INRAE, CNRS, Université de Tours, IFCE, PRC, 37380, Nouzilly, France
| | - Mariam Raliou
- Université Paris-Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France
- Ecole Nationale Vétérinaire D'Alfort, BREED, 94700, Maisons-Alfort, France
| | - Karine Reynaud
- INRAE, CNRS, Université de Tours, IFCE, PRC, 37380, Nouzilly, France
| | - Marie Saint-Dizier
- INRAE, CNRS, Université de Tours, IFCE, PRC, 37380, Nouzilly, France
- Faculty of Sciences and Techniques, University of Tours, 37200, Tours, France
| | - Alice Jouneau
- Université Paris-Saclay, UVSQ, INRAE, BREED, 78350, Jouy-en-Josas, France.
- Ecole Nationale Vétérinaire D'Alfort, BREED, 94700, Maisons-Alfort, France.
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He Y, Meng K, Wang X, Dong Z, Zhang Y, Quan F. Comparison of Bovine Small Antral Follicle Development in Two- and Three-Dimensional Culture Systems. AN ACAD BRAS CIENC 2020; 92:e20180935. [PMID: 33146258 DOI: 10.1590/0001-3765202020180935] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 12/13/2018] [Indexed: 12/26/2022] Open
Abstract
To compare the effects of two-(2D, microplate) and three-dimensional (3D, alginate) culture systems on the in vitro growth of small antral follicles in cattle, individual follicles were separately cultured in the two culture systems for 8 days. Half of the culture medium was replaced by fresh medium every 2 days; the former medium was used to assess the amount of follicular hormone secretion using ELISA. Individual follicle morphology, diameter, and survival rate were recorded every alternate day. The results showed that in 4 days, there was no significant difference between the two systems, except that the growth rate of follicles in 2D system was relatively faster. After 4 days, estradiol concentration in 3D system was higher than that in 2D system. However, progesterone concentration was lower than that in the 2D system. The survival rate and oocyte quality of follicles in 2D system were significantly lower than those in 3D system on day 8. The follicle diameter slightly increased (30-60 μm) in the entire process. Taken together, for in vitro culture of follicles within 4 days, the 2D culture system is more suitable. However, when the culture duration is >4 days, the 3D culture system is more suitable.
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Affiliation(s)
- Yuanyuan He
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
| | - Kai Meng
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
| | - Xiaomei Wang
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
| | - Zhihang Dong
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
| | - Yong Zhang
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
| | - Fusheng Quan
- Northwest A&F University, College of Veterinary Medicine, Department of Clinical Veterinary Medicine, Yangling 712100 Shaanxi, China
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Harvesting, processing, and evaluation of in vitro-manipulated equine preantral follicles: A review. Theriogenology 2020; 156:283-295. [PMID: 32905900 DOI: 10.1016/j.theriogenology.2020.06.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 06/27/2020] [Indexed: 12/14/2022]
Abstract
The mammalian ovary is responsible for essential stages of folliculogenesis and hormonal production, regulating the female physiological functions during the menstrual/estrous cycles. The mare has been considered an attractive model for comparative studies due to the striking similarities shared with women regarding in vivo and in vitro folliculogenesis. The ovarian follicular population in horses contains a large number of oocytes enclosed in preantral follicles that are yet to be explored. Therefore, the in vitro manipulation of equine preantral follicles aims to avoid the process of atresia and promote the development of follicles with competent oocytes. In this regard, after ovarian tissue harvesting, the use of appropriate processing techniques, as well as suitable approaches to evaluating equine preantral follicles and ovarian tissue, are necessary. Although high-quality equine ovarian tissue can be obtained from several sources, some critical aspects, such as the age of the animals, ovarian cyclicity, reproductive phase, and the types of ovarian structures, should be considered. Therefore, this review will focus on providing an update on the most current advances concerning the critical factors able to influence equine preantral follicle quality and quantity. Also, the in vivo strategies used to harvest equine ovarian tissue, the approaches to manipulating ovarian tissue post-harvesting, the techniques for processing ovarian tissue, and the classical approaches used to evaluate preantral follicles will be discussed.
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Kokane SS, Perrotti LI. Sex Differences and the Role of Estradiol in Mesolimbic Reward Circuits and Vulnerability to Cocaine and Opiate Addiction. Front Behav Neurosci 2020; 14:74. [PMID: 32508605 PMCID: PMC7251038 DOI: 10.3389/fnbeh.2020.00074] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 04/22/2020] [Indexed: 12/15/2022] Open
Abstract
Although both men and women become addicted to drugs of abuse, women transition to addiction faster, experience greater difficulties remaining abstinent, and relapse more often than men. In both humans and rodents, hormonal cycles are associated with females' faster progression to addiction. Higher concentrations and fluctuating levels of ovarian hormones in females modulate the mesolimbic reward system and influence reward-directed behavior. For example, in female rodents, estradiol (E2) influences dopamine activity within the mesolimbic reward system such that drug-directed behaviors that are normally rewarding and reinforcing become enhanced when circulating levels of E2 are high. Therefore, neuroendocrine interactions, in part, explain sex differences in behaviors motivated by drug reward. Here, we review sex differences in the physiology and function of the mesolimbic reward system in order to explore the notion that sex differences in response to drugs of abuse, specifically cocaine and opiates, are the result of molecular neuroadaptations that differentially develop depending upon the hormonal state of the animal. We also reconsider the notion that ovarian hormones, specifically estrogen/estradiol, sensitize target neurons thereby increasing responsivity when under the influence of either cocaine or opiates or in response to exposure to drug-associated cues. These adaptations may ultimately serve to guide the motivational behaviors that underlie the factors that cause women to be more vulnerable to cocaine and opiate addiction than men.
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Affiliation(s)
- Saurabh S Kokane
- Department of Psychology, University of Texas at Arlington, Arlington, TX, United States
| | - Linda I Perrotti
- Department of Psychology, University of Texas at Arlington, Arlington, TX, United States
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Technologies for the Production of Fertilizable Mammalian Oocytes. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9081536] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Women affected by ovarian pathologies or with cancer can usually preserve fertility by egg/embryo freezing. When oocyte retrieval is not feasible, the only option available is ovarian tissue cryopreservation and transplantation. The culture of follicles isolated from fresh or cryopreserved ovaries is considered still experimental, although this procedure is considered safer, because the risk of unintentional spreading of cancer cells eventually present in cryopreserved tissue is avoided. Animal and human small follicles can be cultured in vitro, but standardized protocols able to produce in vitro grown oocytes with the same developmental capacity of in vivo grown oocytes are not available yet. In fact, the different sizes of follicles and oocytes, the hormonal differences existing between mono- (e.g., human, goat, cow, and sheep) and poly-ovulatory (rodents and pig) species, and the incomplete identification of the mechanisms regulating the oocyte–follicle and follicle–ovary interrelationships affect the outcome of in vitro culture. From all these attempts, however, new ideas arise, and the goal of assuring the preservation of female reproductive potential appears a more realistic possibility. This review surveys and discusses advances and challenges of these technologies that, starting from a simple attempt, are now approaching the biosynthesis of a functional engineered ovary.
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Leal ÉSS, Vieira LA, Sá NAR, Silva GM, Lunardi FO, Ferreira ACA, Campello CC, Alves BG, Cibin FWS, Smitz J, Figueiredo JR, Rodrigues APR. In vitro growth and development of isolated secondary follicles from vitrified caprine ovarian cortex. Reprod Fertil Dev 2018; 30:359-370. [PMID: 28768567 DOI: 10.1071/rd16487] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Accepted: 06/17/2017] [Indexed: 12/27/2022] Open
Abstract
The aim of this study was to evaluate the viability, antrum formation and in vitro development of isolated secondary follicles from vitrified caprine ovarian cortex in a medium previously established for fresh isolated secondary follicles, in the absence (α-minimum essential medium (α-MEM+) alone) or presence of FSH and vascular endothelial growth factor (VEGF; α-MEM++FSH+VEGF). Ovarian fragments were distributed among five treatments (T1 to T5): fresh follicles were fixed immediately (T1), follicles from fresh tissue were cultured in vitro in α-MEM+ (T2) or α-MEM++FSH+VEGF (T3) and follicles from vitrified tissue were cultured in vitro in α-MEM+ (T4) or α-MEM++FSH+VEGF (T5). After 6 days of culture, treated follicles (T2, T3, T4 and T5) were evaluated for morphology, viability and follicular development (growth, antrum formation and proliferation of granulosa cells by Ki67 and argyrophilic nucleolar organiser region (AgNOR) staining). The levels of reactive oxygen species (ROS) in the culture media were also assessed. Overall, morphology of vitrified follicles was altered (P<0.05) compared with the fresh follicles. Follicular viability, antrum formation and ROS were similar between treatments (P>0.05). The average overall and daily follicular growth was highest (P<0.05) in T3. Granulosa cells in all treatments (T1, T2, T3, T4 and T5) stained positive for Ki67. However, fresh follicles from T3 had significantly higher AgNOR staining (P<0.05) compared with follicles of T1, T2, T4 and T5. In conclusion, secondary follicles can be isolated from vitrified and warmed ovarian cortex and survive and form an antrum when growing in an in vitro culture for 6 days.
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Affiliation(s)
- Érica S S Leal
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Luis A Vieira
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Naíza A R Sá
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Gerlane M Silva
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Franciele O Lunardi
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Anna C A Ferreira
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Cláudio C Campello
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Benner G Alves
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Francielli W S Cibin
- University Federal of Pampa, Uruguaiana-Rio Grande do Sul, Av. General Osório, 900 - São Jorge Bagé, RS - CE - 96400-100, Brazil
| | - Johan Smitz
- Follicle Biology Laboratory, Center for Reproductive Medicine, UZ Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium
| | - José R Figueiredo
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
| | - Ana P R Rodrigues
- Faculty of Veterinary Medicine, LAMOFOPA, PPGCV, State University of Ceará, Av. Dr Silas Munguba, 1700 - Campus of Itaperi, Fortaleza - CE - CEP 60741-903, Brazil
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Nikiforov D, Russo V, Nardinocchi D, Bernabò N, Mattioli M, Barboni B. Innovative multi-protectoral approach increases survival rate after vitrification of ovarian tissue and isolated follicles with improved results in comparison with conventional method. J Ovarian Res 2018; 11:65. [PMID: 30086787 PMCID: PMC6081856 DOI: 10.1186/s13048-018-0437-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/26/2018] [Indexed: 12/22/2022] Open
Abstract
Background In recent years, autotransplantation of cryopreserved ovarian tissue became a promising approach to preserve female fertility. The slow freezing is the most effective technique which resulted in greater live birth incidence so far. Despite that, interest to vitrification of the ovarian tissue is swiftly growing, thereby undermining the necessity for further improvements in the technique. In present study, we evaluated possibilities to increase follicle survival rates adopting innovative multi-protectoral vitrification protocols, applied to the slivers of ovarian cortex or isolated early-antral follicles, frozen individually. These experimental protocols have been compared with with validated vitrification and slow freezing ones, clinically used for female fertility preservation. Results The results showed that third tested variation of experimental vitrification protocol, with four cryoprotectants in relatively low concentrations and applied to pieces of ovarian tissue at 0 °C during equilibration, increased survival rate of ovine ovarian tissue and improved results in comparison with conventional vitrification method. This variation of experimental protocol showed significant increase in percentage of follicles with good morphology (69,3%) in comparison with only commercially available vitrification protocol for ovarian tissue (62,1%). Morphology results were confirmed by TUNEL assay. Analysis of estradiol and progesterone production by cultured individual follicles after freezing/thawing revealed that steroids secretion remained significantly higher after multi-protectoral vitrification and slow freezing protocol, when follicles after standard vitrification protocol demonstrated decline in steroidogenic activity. Conclusions The multi-protectoral approach represents a workable solution to improve vitrification outcome on ovarian tissue and isolated follicles. The reduction of individual cryoprotectants concentrations, while maintaining their sufficient cumulative level in the final freezing solution, helps to increase efficiency of the procedure. Moreover, equilibration with lower temperatures helped to decrease even further the toxic effects of cryoprotectants and preserve original quality of ovarian tissue. Therefore, multi-protectoral vitrification can be suggested as an improved method for the clinical cryopreservation of ovarian tissue.
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Affiliation(s)
- Dmitry Nikiforov
- Faculty of Bioscience, Unit of Basic and Applied Biosciences, University of Teramo, 64100, via R. Balzarini 1, Teramo, Italy.
| | - Valentina Russo
- Faculty of Bioscience, Unit of Basic and Applied Biosciences, University of Teramo, 64100, via R. Balzarini 1, Teramo, Italy
| | - Delia Nardinocchi
- Faculty of Bioscience, Unit of Basic and Applied Biosciences, University of Teramo, 64100, via R. Balzarini 1, Teramo, Italy
| | - Nicola Bernabò
- Faculty of Bioscience, Unit of Basic and Applied Biosciences, University of Teramo, 64100, via R. Balzarini 1, Teramo, Italy
| | - Mauro Mattioli
- Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise "Giuseppe Caporale" (IZSAM), 64100, Teramo, Italy
| | - Barbara Barboni
- Faculty of Bioscience, Unit of Basic and Applied Biosciences, University of Teramo, 64100, via R. Balzarini 1, Teramo, Italy
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Lopes KRF, Praxedes ECG, Campos LB, Bezerra MB, Lima GL, Saraiva MVA, Silva AR. Vitrification of ovarian tissue of Brazilian North-eastern donkeys (Equus asinus
) using different cryoprotectants. Reprod Domest Anim 2018; 53:1060-1067. [DOI: 10.1111/rda.13203] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 04/04/2018] [Indexed: 11/28/2022]
Affiliation(s)
- Kátia Regina F. Lopes
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Erica Camila G. Praxedes
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Livia B. Campos
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Marcelo B. Bezerra
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Gabriela L. Lima
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Márcia Viviane A. Saraiva
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
| | - Alexandre R. Silva
- Laboratory of Animal Germplasm Conservation-LCGA; Universidade Federal Rural do Semi-Arido-UFERSA; Mossoró RN Brazil
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13
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Maffei S, Galeati G, Pennarossa G, Brevini TAL, Gandolfi F. Extended ex vivo culture of fresh and cryopreserved whole sheep ovaries. Reprod Fertil Dev 2018; 28:1893-1903. [PMID: 26072996 DOI: 10.1071/rd15101] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2015] [Accepted: 05/20/2015] [Indexed: 12/12/2022] Open
Abstract
We describe an original perfusion system for the culture of whole ovine ovaries for up to 4 days. A total of 33 ovaries were divided into six groups: control (n=6), not perfused and fixed; Groups SM72 and SM72-FSH (n=6 each), perfused with a simple medium for 72h with or without FSH; Groups CM96 and CM96-FSH (n=6 each), perfused with a complex medium for 96h with or without FSH; Group CM96-FSH-cryo, (n=3) cryopreserved and perfused for 96h with Group CM96-FSH medium. Depending on the medium used, morphological parameters of cultured ovaries differed from fresh organs after 72 (SM72, SM72-FSH) or 96 (CM96, CM96-FSH) h of perfusion. Oestradiol and progesterone were secreted in all groups but FSH had an effect only on Group CM96-FSH, stimulating continued oestradiol secretion 10 times higher than in all other groups. Morphological parameters and hormone secretion of cryopreserved ovaries were not different from fresh controls. This method enables the culture of whole ovaries for up to 4 days, the time required in vivo for 0.5-mm follicles to grow to 2.2mm and then for these follicles to reach the ovulatory size of 4mm or more. It could be used as a research tool or to complement current techniques for preserving female fertility.
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Affiliation(s)
- Sara Maffei
- Institute for Genetic and Biomedical Research, National Research Council, Milan, Italy
| | - Giovanna Galeati
- Department of Veterinary Medical Sciences, Università degli Studi di Bologna, Via Tolara di Sopra, 50 40064 Ozzano dell'Emilia, Italy
| | - Georgia Pennarossa
- Laboratory of Biomedical Embryology, Università degli Studi di Milano, Italy
| | - Tiziana A L Brevini
- Laboratory of Biomedical Embryology, Università degli Studi di Milano, Italy
| | - Fulvio Gandolfi
- Present address: Department of Health, Animal Science and Food Safety, Università degli Studi di Milano via Celoria 10, 20133 Milan, Italy
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14
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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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15
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Cadoret V, Frapsauce C, Jarrier P, Maillard V, Bonnet A, Locatelli Y, Royère D, Monniaux D, Guérif F, Monget P. Molecular evidence that follicle development is accelerated in vitro compared to in vivo. Reproduction 2017; 153:493-508. [DOI: 10.1530/rep-16-0627] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 01/27/2017] [Accepted: 02/02/2017] [Indexed: 12/18/2022]
Abstract
In this study, we systematically compared the morphological, functional and molecular characteristics of granulosa cells and oocytes obtained by a three-dimensional in vitro model of ovine ovarian follicular growth with those of follicles recovered in vivo. Preantral follicles of 200 µm diameter were recovered and cultured up to 950 µm over a 20-day period. Compared with in vivo follicles, the in vitro culture conditions maintained follicle survival, with no difference in the rate of atresia. However, the in vitro conditions induced a slight decrease in oocyte growth rate, delayed antrum formation and increased granulosa cell proliferation rate, accompanied by an increase and decrease in CCND2 and CDKN1A mRNA expression respectively. These changes were associated with advanced granulosa cell differentiation in early antral follicles larger than 400 µm diameter, regardless of the presence or absence of FSH, as indicated by an increase in estradiol secretion, together with decreased AMH secretion and expression, as well as increased expression of GJA1, CYP19A1, ESR1, ESR2, FSHR, INHA, INHBA, INHBB and FST. There was a decrease in the expression of oocyte-specific molecular markers GJA4, KIT, ZP3, WEE2 and BMP15 in vitro compared to that in vivo. Moreover, a higher percentage of the oocytes recovered from cultured follicles 550 to 950 µm in diameter was able to reach the metaphase II meiosis stage. Overall, this in vitro model of ovarian follicle development is characterized by accelerated follicular maturation, associated with improved developmental competence of the oocyte, compared to follicles recovered in vivo.
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16
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Lunardi FO, Chaves RN, de Lima LF, Araújo VR, Brito IR, Souza CEA, Donato MAM, Peixoto CA, Dinnyes A, Campello CC, de Figueiredo JR, Rodrigues APR. Vitrified sheep isolated secondary follicles are able to grow and form antrum after a short period of in vitro culture. Cell Tissue Res 2015; 362:241-51. [DOI: 10.1007/s00441-015-2181-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 03/25/2015] [Indexed: 11/24/2022]
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17
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Number and density of equine preantral follicles in different ovarian histological section thicknesses. Theriogenology 2015; 83:1048-55. [DOI: 10.1016/j.theriogenology.2014.12.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Revised: 12/01/2014] [Accepted: 12/02/2014] [Indexed: 11/20/2022]
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18
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Fresh and vitrified bovine preantral follicles have different nutritional requirements during in vitro culture. Cell Tissue Bank 2014; 15:591-601. [PMID: 24610241 DOI: 10.1007/s10561-014-9432-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 02/27/2014] [Indexed: 10/25/2022]
Abstract
The aim of this study was to compare the efficiency of different media for the in vitro culturing of fresh and vitrified bovine ovarian tissues. Fragments of the ovarian cortex were subjected to vitrification and histological and viability analyses or were immediately cultured in vitro using the alfa minimum essential medium, McCoy's 5A medium (McCoy), or medium 199 (M199). Samples of different culture media were collected on days 1 (D1) and 5 (D5) for quantification of reactive oxygen species and for hormonal assays. In non-vitrified (i.e., fresh) ovarian tissue cultures, the percentage of morphologically normal follicles was significantly greater than that recorded for the other media (e.g., M199). In the case of previously vitrified tissues, the McCoy medium was significantly superior to the other media in preserving follicular morphology up until the last culture day (i.e., D5), thus maintaining a similar percentage from D1 to D5. Reactive oxygen species levels were higher in D1 vitrified cultured tissues, but there were no differences in the levels among the three media after 5 days. The hormonal assays showed that in the case of previously vitrified tissues, at D5, progesterone levels increased on culture in the M199 medium and estradiol levels increased on culture in the McCoy medium. In conclusion, our results indicate that the use of M199 would be recommended for fresh tissue cultures and of McCoy for vitrified tissue cultures.
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19
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Kit ligand and insulin-like growth factor I affect the in vitro development of ovine preantral follicles. Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2013.09.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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Costa JJN, Passos MJ, Leitão CCF, Vasconcelos GL, Saraiva MVA, Figueiredo JR, van den Hurk R, Silva JRV. Levels of mRNA for bone morphogenetic proteins, their receptors and SMADs in goat ovarian follicles grown in vivo and in vitro. Reprod Fertil Dev 2012; 24:723-32. [PMID: 22697122 DOI: 10.1071/rd11195] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2011] [Accepted: 10/31/2011] [Indexed: 12/15/2022] Open
Abstract
This study investigated the stability of housekeeping genes (glyceraldehyde-3-phosphate dehydrogenase, β-tubulin, β-actin, phosphoglycerate kinase (PGK), 18S rRNA, ubiquitin and ribosomal protein 19) and the levels of mRNA for bone morphogenetic protein-2 (BMP-2), -4 (BMP-4), -6 (BMP-6), -7 (BMP-7) and -15 (BMP-15), their receptors (BMPR-IA, -IB and -II) and Similar to Mothers Against Decapentaplegic (SMADs) (-1, -5 and -8) in goat follicles of 0.2, 0.5 and 1.0mm, as well as in secondary follicles before and after culture for 18 days. β-tubulin and PGK were the most stable housekeeping genes and the levels of mRNA for BMP-2 in follicles of 0.2mm were higher than in follicles of 0.5 and 1.0mm. For BMP-4, -6 and -7, the highest levels of mRNA were found in follicles of 1.0mm. The expression of BMPR-IB was higher in follicles of 0.2mm, whereas the levels of BMPR-II were higher in follicles of 0.5mm. The levels of mRNA for SMAD-5 were higher in follicles of 0.2mm, whereas SMAD-8 had higher levels in 0.5-mm follicles. After culture, follicles showed increased levels of mRNA for BMP-2 and reduced mRNA for BMP-4, BMP-7, BMPR-IA and SMAD-5. In conclusion, β-tubulin and PGK are the most stable reference genes, and BMPs, their receptors and SMADs have variable levels of mRNA in the follicular size classes analysed.
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Affiliation(s)
- J J N Costa
- Biotechnology Nucleus of Sobral - NUBIS, Federal University of Ceara, CEP 62042-280, Sobral, CE, Brazil
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21
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Hirao Y. Isolation of ovarian components essential for growth and development of mammalian oocytes in vitro. J Reprod Dev 2012; 58:167-74. [PMID: 22738899 DOI: 10.1262/jrd.2011-052] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Mammalian ovaries contain a large number of oocytes, most of which degenerate either before or at various stages of growth. Dynamic and precise regulation in the ovary involves many factors, each with a unique role. Identifying the single most important factor is impossible; however, it may be possible to identify factors essential for oocyte growth. It is evident that oocytes can grow into competent ova in vitro; however, how faithfully the follicle should mimic the in vivo conditions remains unclear. In the culture system discussed in this review, bovine and mouse oocyte-granulosa cell complexes, at approximately the late mid-growth stage, spread on a substratum without the involvement of theca cells. The structural simplicity of this system is advantageous because it reduces the basic conditions essential for regulation of oocyte growth. Apart from biological factors, high concentrations of polyvinylpyrrolidone (molecular weight: 360000) improved oocyte growth. Among ovarian factors, androstenedione was used to compensate for the absence of theca cells, and it promoted both follicular growth and acquisition of oocyte meiotic competence. Most oocytes cultured in a group were viable after long-term culture, suggesting that unlike ovarian events, there was no exhaustive follicle selection. Collectively, oocytes and their associated granulosa cells can establish independent units capable of supporting oocyte growth in appropriately modified culture media.
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Affiliation(s)
- Yuji Hirao
- Livestock and Forage Research Division, Tohoku Agricultural Research Center (TARC), National Agriculture and Food Research Organization (NARO), Morioka 020-0198, Japan.
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22
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Abstract
Mammalian ovaries contain a large number of oocytes at different stages of growth. To utilize potential female gametes, it is important to develop culture systems that permit oocytes to achieve full growth and competence in order to undergo maturation, fertilization and development. The desired culture systems should meet at least the following three conditions: (i) oocytes remain healthy and functional so that they can execute intrinsic programs that direct their growth and development; (ii) granulosa cells that are adjacent to oocytes proliferate efficiently to prevent oocytes from becoming denuded; and (iii) granulosa cells maintain (and develop) appropriate associations with oocytes during the culture period. For this reason, several systems have been developed, and they can be classified into four categories based on the structure and components of the follicle/oocyte-granulosa cell complex and the location of the oocyte in the physical organization of the complex. The resultant diverse morphologies are due to multiple factors, including the method for initial isolation of follicles, the culture substrate, and hormones and other factors added into the medium. It is important to find an optimal combination of such factors involved in the process to facilitate future research efforts.
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Affiliation(s)
- Yuji Hirao
- National Agricultural Research Center for Tohoku Region, National Agriculture and Food Research Organization, Morioka, Japan.
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23
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Barboni B, Russo V, Cecconi S, Curini V, Colosimo A, Garofalo MLA, Capacchietti G, Di Giacinto O, Mattioli M. In vitro grown sheep preantral follicles yield oocytes with normal nuclear-epigenetic maturation. PLoS One 2011; 6:e27550. [PMID: 22132111 PMCID: PMC3221676 DOI: 10.1371/journal.pone.0027550] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Accepted: 10/19/2011] [Indexed: 01/12/2023] Open
Abstract
Background Assisted reproductive technologies allow to utilize a limited number of fully grown oocytes despite the presence in the ovary of a large pool of meiotically incompetent gametes potentially able to produce live births. In vitro folliculogenesis could be useful to recruit these oocytes by promoting their growth and differentiation. Methodology/Principal Findings In vitro folliculogenesis was performed starting from sheep preantral (PA) follicles to evaluate oocyte nuclear/epigenetic maturation. Chromatin configuration, quantification of global DNA methylation, and epigenetic remodelling enzymes were evaluated with immunocytochemistry, telomere elongation was assessed with the Q-FISH technique, while the DNA methylation status at the DMRs of maternally IGF2R and BEGAIN, and paternally H19 methylated imprinted genes was determined by bisulfite sequencing and COBRA. Specifically, 70% of PA underwent early antrum (EA) differentiation and supported in culture oocyte global DNA methylation, telomere elongation, TERT and Dnmt3a redistribution thus mimicking the physiological events that involve the oocyte during the transition from secondary to tertiary follicle. Dnmt1 anticipated cytoplasmic translocation in in vitro grown oocytes did not impair global and single gene DNA methylation. Indeed, the in vitro grown oocytes acquired a methylation profile of IGF2R and BEGAIN compatible with the follicle/oocyte stage reached, and maintained an unmethylated status of H19. In addition, the percentage of oocytes displaying a condensed chromatin configuration resulted lower in in vitro grown oocytes, however, their ability to undergo meiosis and early embryo development after IVF and parthenogenetic activation was similar to that recorded in EA follicle in vivo grown oocytes. Conclusions/Significance In conclusion, the in vitro folliculogenesis was able to support the intracellular/nuclear mechanisms leading the oocytes to acquire a meiotic and developmental competence. Thus, the in vitro culture may increase the availability of fertilizable oocytes in sheep, and become an in vitro translational model to investigate the mechanisms governing nuclear/epigenetic oocyte maturation.
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Affiliation(s)
- Barbara Barboni
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
| | - Valentina Russo
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
- * E-mail:
| | - Sandra Cecconi
- Department of Biomedical Sciences and Technologies, University of L'Aquila, L'Aquila, Italy
| | - Valentina Curini
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
| | - Alessia Colosimo
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
| | | | - Giulia Capacchietti
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
| | - Oriana Di Giacinto
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
| | - Mauro Mattioli
- Department of Comparative Biomedical Science, University of Teramo, Teramo, Italy
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Amorim CA, Curaba M, Van Langendonckt A, Dolmans MM, Donnez J. Vitrification as an alternative means of cryopreserving ovarian tissue. Reprod Biomed Online 2011; 23:160-86. [DOI: 10.1016/j.rbmo.2011.04.005] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2010] [Revised: 03/10/2011] [Accepted: 04/14/2011] [Indexed: 10/18/2022]
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Oocyte growth in vitro: potential model for studies of oocyte-granulosa cell interactions. Reprod Med Biol 2011; 11:1-9. [PMID: 29699101 DOI: 10.1007/s12522-011-0096-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Accepted: 06/06/2011] [Indexed: 02/01/2023] Open
Abstract
Various factors such as gonadotrophins, growth factors, and steroid hormones play important roles in the regulation of oocyte/follicular growth in mammalian ovaries. In addition to these factors, there is a bidirectional interaction between oocytes and granulosa cells that is essential for achieving optimal oocyte developmental competence. Oocytes play a key role in this interaction by secreting paracrine factors that alter the activities of neighboring cumulus cells, such as the expression of a specific amino acid transporter, cholesterol biosynthesis, and levels of glycolysis in the cumulus cells. Among the known oocyte-derived factors, growth differentiation factor 9 (GDF9) is the dominant factor mediating the regulation by oocytes leading to cumulus expansion and granulosa cell proliferation. GDF9 frequently interacts with other oocyte-derived factors in a synergistic manner. It seems reasonable to speculate that oocytes growing in vitro require interactions similar to those in vivo. Some of the oocyte-mediated regulations have been confirmed in vitro, providing evidence of the usefulness of culture systems as a strong tool for such studies. This review discusses in vitro culture of growing oocytes in terms of oocyte-granulosa cell interactions.
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26
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Wan Xuying, Zhu Jiangbo, Zhu Yuping, Xili MA, Liu Zhen, Wang Fei, Xu Guifeng, Zhang Tianbao. A novel method for toxicology: In vitro culture system of a rat preantral follicle. Toxicol Ind Health 2011; 27:637-45. [DOI: 10.1177/0748233710395345] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Preantral follicle in vitro culture systems have been successfully or nearly successfully established for sheep, pig and mouse, and applied on follicle development and regulation research on reproductive biology and physiology. However, there have been few studies concerning rat preantral follicle in vitro development. The objective is to establish an in vitro culture system for rat preantral follicles which can be used for reproductive biology and toxicology research. Rat preantral follicles are mechanically separated, cultured in vitro in single follicle mode for continuous 12 days using 96-well plates, and then administrated ovulation induction. The observation on follicle development, hormone level, and ovum formation are recorded and assessed. Taking in vivo growth and in vitro maturation of ocytes group as control group, in vitro growth and maturation of oocytes group is assessed to see whether this in vitro culture method is successful. The conditions for rat follicle culture are determined based on the mouse pre-antral follicle culture. The in vitro culture system for rat preantral follicles established in this study is feasible and successful, and can serve as model for reproductive biology and toxicology research.
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Affiliation(s)
- Wan Xuying
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Zhu Jiangbo
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Zhu Yuping
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - MA Xili
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Liu Zhen
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Wang Fei
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Xu Guifeng
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China
| | - Zhang Tianbao
- Department of Health Toxicology, Faculty of Basic Medicine Science, Second Military Medical University, Shanghai, China,
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Magalhães DM, Fernandes DD, Mororó MBS, Silva CMG, Rodrigues GQ, Bruno JB, Matos MHT, Campello CC, Figueiredo JR. Effect of the Medium Replacement Interval on the Viability, Growth and In Vitro Maturation of Isolated Caprine and Ovine Pre-Antral Follicles. Reprod Domest Anim 2011; 46:134-40. [DOI: 10.1111/j.1439-0531.2010.01607.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Nottola SA, Cecconi S, Bianchi S, Motta C, Rossi G, Continenza MA, Macchiarelli G. Ultrastructure of isolated mouse ovarian follicles cultured in vitro. Reprod Biol Endocrinol 2011; 9:3. [PMID: 21232101 PMCID: PMC3033320 DOI: 10.1186/1477-7827-9-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Accepted: 01/13/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In vitro maturation of ovarian follicles, in combination with cryopreservation, might be a valuable method for preserving and/or restoring fertility in mammals with impaired reproductive function. Several culture systems capable of sustaining mammalian follicle growth in vitro have been developed and many studies exist on factors influencing the development of in vitro grown oocytes. However, a very few reports concern the ultrastructural morphology of in vitro grown follicles. METHODS The present study was designed to evaluate, by transmission and scanning electron microscopy, the ultrastructural features of isolated mouse preantral follicles cultured in vitro for 6 days in a standard medium containing fetal calf serum (FCS). The culture was supplemented or not with FSH. RESULTS The follicles cultured in FCS alone, without FSH supplementation (FCS follicles), did not form the antral cavity. They displayed low differentiation (juxta-nuclear aggregates of organelles in the ooplasm, a variable amount of microvilli on the oolemma, numerous granulosa cell-oolemma contacts, signs of degeneration in granulosa cell compartment). Eighty (80)% of FSH-treated follicles formed the antral cavity (FSH antral follicles). These follicles showed various ultrastructural markers of maturity (spreading of organelles in ooplasm, abundant microvilli on the oolemma, scarce granulosa cell-oolemma contacts, granulosa cell proliferation). Areas of detachment of the innermost granulosa cell layer from the oocyte were also found, along with a diffuse granulosa cell loosening compatible with the antral formation. Theca cells showed an immature morphology for the stage reached. Twenty (20)% of FSH-treated follicles did not develop the antral cavity (FSH non-antral follicles) and displayed morphological differentiation features intermediate between those shown by FCS and FSH antral follicles (spreading of organelles in the ooplasm, variable amount of microvilli, scattered granulosa cell-oolemma contacts, signs of degeneration in granulosa cell compartment). CONCLUSIONS It is concluded that FSH supports the in vitro growth of follicles, but the presence of a diffuse structural granulosa cell-oocyte uncoupling and the absence of theca development unveil the incomplete efficiency of the system. The present study contributes to explain, from a morphological point of view, the effects of culture conditions on the development of mouse in vitro grown follicles and to highlight the necessity of maintaining efficient intercellular communications to obtain large numbers of fully-grown mature germ cells.
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Affiliation(s)
- Stefania A Nottola
- Department of Anatomy, Histology, Forensic Medicine and Orthopaedics, La Sapienza University of Rome, Rome, Italy
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NAKAGAWA S, MAEDOMARI N, KIKUCHI K, NAGAI T, MIYANO T, FULKA JR J, MANABE N. Vitrification of Fully Grown and Growing Porcine Oocytes Using Germinal Vesicle Transfer. J Reprod Dev 2011; 57:335-41. [DOI: 10.1262/jrd.10-177h] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Shoma NAKAGAWA
- Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo
- Institute of Animal Science
| | - Naoki MAEDOMARI
- Laboratory of Animal Reproduction, School of Veterinary Medicine, Azabu University
| | - Kazuhiro KIKUCHI
- Division of Animal Sciences, National Institute of Agrobiological Sciences
| | - Takashi NAGAI
- National Institute of Livestock and Grassland Science
| | - Takashi MIYANO
- Graduate School of Agricultural Science, Kobe University
| | | | - Noboru MANABE
- Animal Resource Science Center, Graduate School of Agricultural and Life Sciences, The University of Tokyo
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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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31
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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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32
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Development of in vitro culture method for early stage zebrafish (Danio rerio) ovarian follicles for use in cryopreservation studies. Theriogenology 2010; 74:290-303. [DOI: 10.1016/j.theriogenology.2010.02.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2009] [Revised: 02/03/2010] [Accepted: 02/05/2010] [Indexed: 11/21/2022]
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33
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Borges E, Silva R, Futino D, Rocha-Junior C, Amorim C, Báo S, Lucci C. Cryopreservation of swine ovarian tissue: Effect of different cryoprotectants on the structural preservation of preantral follicle oocytes. Cryobiology 2009; 59:195-200. [DOI: 10.1016/j.cryobiol.2009.07.003] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2009] [Revised: 05/14/2009] [Accepted: 07/14/2009] [Indexed: 11/27/2022]
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34
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Varghese AC, du Plessis SS, Falcone T, Agarwal A. Cryopreservation/transplantation of ovarian tissue and in vitro maturation of follicles and oocytes: challenges for fertility preservation. Reprod Biol Endocrinol 2008; 6:47. [PMID: 18828928 PMCID: PMC2567323 DOI: 10.1186/1477-7827-6-47] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2008] [Accepted: 10/02/2008] [Indexed: 11/10/2022] Open
Abstract
Cryopreservation of ovarian tissue and in vitro follicle maturation are two emerging techniques for fertility preservation, especially in cancer patients. These treatment regimes are opening up more options and allow for more suitable choices to preserve fertility according to the patient's specific circumstances. If these technologies are to become widely accepted, they need to be safe, easy to perform and must obtain favorable results. The generation of healthy eggs with the normal genetic complement and the ability to develop into viable and healthy embryos requires tight regulation of oocyte development and maturation. Novel freezing techniques such as vitrification, along with whole ovary cryopreservation and three-dimensional follicle cultures, have shown favorable outcomes. The scope of this article is to take a comprehensively look at the challenges still faced in order for these novel technologies to be routinely employed with the aim of successful fertility preservation.
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Affiliation(s)
- Alex C Varghese
- Center for Reproductive Medicine, Glickman Urological and Kidney Institute and Department of Obstetrics and Gynecology and Women's Health Institute, Cleveland Clinic, Ohio, USA
| | - Stefan S du Plessis
- Division of Medical Physiology, University of Stellenbosch, Tygerberg, South Africa
| | - Tommaso Falcone
- Center for Reproductive Medicine, Glickman Urological and Kidney Institute and Department of Obstetrics and Gynecology and Women's Health Institute, Cleveland Clinic, Ohio, USA
| | - Ashok Agarwal
- Center for Reproductive Medicine, Glickman Urological and Kidney Institute and Department of Obstetrics and Gynecology and Women's Health Institute, Cleveland Clinic, Ohio, USA
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35
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Camboni A, Martinez-Madrid B, Dolmans MM, Amorim CA, Nottola SA, Donnez J, Van Langendonckt A. Preservation of fertility in young cancer patients: contribution of transmission electron microscopy. Reprod Biomed Online 2008; 17:136-50. [PMID: 18616902 DOI: 10.1016/s1472-6483(10)60303-3] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
During the last decade, new technologies in reproductive medicine have emerged to preserve the fertility of women whose gonadal function is threatened by premature menopause or gonadotoxic treatments. To offer an individualized approach to these patients, different experimental procedures are under investigation, including oocyte cryopreservation and cryopreservation and transplantation of ovarian tissue in the form of cortical fragments, whole ovary or isolated follicles. This review shows that transmission electron microscopy (TEM), combined with other in-vivo and in-vitro analysis techniques, is a valuable tool in the establishment of new experimental protocols to preserve female fertility. Ultrastructural studies allow in-depth evaluation of the oocyte's unique morpho-functional characteristics, which explain its low cryotolerance, and provide essential information on follicular, stromal and endothelial cell integrity, as well as cellular interactions crucial for normal folliculogenesis. In order to be able to offer appropriate and efficient options in every clinical situation, oocyte in-vitro maturation and ovarian tissue transplantation need to be optimized. Further development of new approaches, such as follicular isolation and whole ovary transplantation, should be encouraged. Fine ultrastructural details highlighted by TEM studies will be useful for the further optimization of these emerging technologies.
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Affiliation(s)
- Alessandra Camboni
- Department of Gynecology, Université Catholique de Louvain, 1200 Brussels, Belgium
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36
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Cecconi S, Mauro A, Capacchietti G, Berardinelli P, Bernabò N, Di Vincenzo AR, Mattioli M, Barboni B. Meiotic maturation of incompetent prepubertal sheep oocytes is induced by paracrine factor(s) released by gonadotropin-stimulated oocyte-cumulus cell complexes and involves mitogen-activated protein kinase activation. Endocrinology 2008; 149:100-7. [PMID: 17884935 DOI: 10.1210/en.2007-0874] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
In this study, sheep oocyte-cumulus cell complexes (OCC) derived from medium (M) antral follicles (M-OCC) were in vitro matured alone or in coculture with OCC derived from small (S) antral follicles (S-OCC) to investigate the contribution of cumulus cells (CC) and oocytes to the process of oocyte meiotic maturation and cumulus expansion (CE). Experiments were conducted with or without gonadotropins (FSH/LH). Regardless of culture conditions, about 12% of S-oocytes reached the metaphase II stage, and S-CC showed a low degree of CE. In contrast, both maturational processes were significantly stimulated by gonadotropins in M-OCC. However, about 48% of S-oocytes progressed to metaphase II, and S-CC expanded after coculture with gonadotropin-stimulated M-OCC and M-CC but not with mural granulosa cells. Both maturational processes were inhibited when S-OCC were cocultured with M-denuded oocytes, or when S-denuded oocytes were cocultured with M-CC. The capacity of these paracrine factor(s) to activate the MAPK pathway in somatic and germ cells of S-complexes was investigated. It was found that MAPK kinase/MAPK phosphorylation levels in M-OCC but not in S-OCC were significantly increased by gonadotropins, first in CC and later in the oocytes. Kinase phosphorylations were activated only in S-oocytes cocultured with M-OCC or M-CC. These results demonstrate that soluble factors specifically produced by M-CC are capable to induce meiotic maturation and CE in S-complexes by acting via CC. These factors can induce MAPK activation only in S-oocytes, whose meiotic arrest could be due to the inability of surrounding CC to respond to gonadotropin stimulation.
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Affiliation(s)
- Sandra Cecconi
- Department of Biomedical Sciences and Technologies, University of L'Aquila, 67100 L'Aquila, Italy.
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37
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Aerts JMJ, Martinez-Madrid B, Flothmann K, De Clercq JBP, Van Aelst S, Bols PEJ. Quantification and Viability Assessment of Isolated Bovine Primordial and Primary Ovarian Follicles Retrieved Through a Standardized Biopsy Pick-Up Procedure. Reprod Domest Anim 2007; 43:360-366. [DOI: 10.1111/j.1439-0531.2007.00915.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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38
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Hasegawa A, Koyama K. In vitro growth and maturation of mouse oocyte-granulosa cell complex from cryopreserved ovaries and achievement of pup birth. Reprod Med Biol 2007; 6:77-83. [PMID: 29699267 DOI: 10.1111/j.1447-0578.2007.00169.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Ovarian tissue banking is a feasible strategy for fertility preservation for young women after cancer treatments. Ovarian tissue, after thawing, is used for several options; orthotopic grafting (normal site), autologous heterotopic grafting and collection of ovarian follicles for culture. Recent reports of live birth encouraged clinicians and researchers to apply this technology to premature ovarian failure (POF) resulting from strong cancer therapy. Grafting, however, carries a risk of malignant cell recurrence. For safety, development of a culture method is necessary but optimum culturing conditions for less-developed follicles abundant in the ovary are not well known. In the present article, the current status of ovarian tissue cryopreservation, and in vitro oocyte growth and maturation from the preserved ovaries are reviewed.
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Affiliation(s)
- Akiko Hasegawa
- Laboratory of Developmental Biology and Reproduction, Institute for Advanced Medical Sciences and
| | - Koji Koyama
- Laboratory of Developmental Biology and Reproduction, Institute for Advanced Medical Sciences and.,Department of Obstetrics and Gynecology, Hyogo College of Medicine, Nishinomiya, Japan
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39
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Santos RR, van den Hurk R, Rodrigues APR, Costa SHF, Martins FS, Matos MHT, Celestino JJH, Figueiredo JR. Effect of cryopreservation on viability, activation and growth of in situ and isolated ovine early-stage follicles. Anim Reprod Sci 2007; 99:53-64. [PMID: 16787716 DOI: 10.1016/j.anireprosci.2006.05.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2005] [Revised: 05/06/2006] [Accepted: 05/11/2006] [Indexed: 11/19/2022]
Abstract
Isolated or cortical tissue-enclosed (in situ) sheep early-stage follicles were exposed to 1.5 M dimethyl sulfoxide (DMSO), ethylene glycol (EG) or unexposed, or frozen/thawed in the presence of these cryoprotectants and then cultured for 5 days in enriched minimal essential medium (MEM) or not cultured. Cultured and uncultured follicles were classified as non-viable/viable when they were stained/not stained with trypan blue, respectively. Follicular diameter was measured and the percentages of primordial and developing follicles calculated. Exposure of isolated or in situ follicles to DMSO or EG led to a marked decrease in the percentage of viable follicles. The percentage of viable isolated and in situ follicles further decreased when they were in vitro-cultured for 5 days, EG-exposed follicles generally showing a more damaging effect than DMSO-exposed follicles. Cultured follicles, both isolated and in situ, which were exposed to EG and DMSO, as well as in situ follicles, which had been frozen/thawed in the presence of one of these cryoprotectants, showed similar growth rates as cultured, untreated follicles, while in these groups significantly lower percentages of primordial follicles and higher percentages of more advanced follicular stages were observed. Among the treated groups, the highest percentage (71-75%) of developing follicles was observed after culturing cryoprotectant-exposed isolated follicles. In contrast, when cryopreserved, isolated follicles were cultured, they did not increase in diameter and did not develop into more advanced stages. In conclusion, exposure to or cryopreservation in the presence of EG and DMSO, as well as their further in vitro culture, negatively affected the viability of ovine isolated and in situ early-stage follicles. In vitro growth of early-stage follicles and activation of primordial follicles were better maintained when follicles had been frozen/thawed and cultured in situ.
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Affiliation(s)
- Regiane R Santos
- Laboratory of Manipulation of Oocytes Enclosed in Preantral Follicles (LAMOFOPA), Faculty of Veterinary, State University of Ceará, Fortaleza, CE, Brazil.
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40
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Hasegawa A, Mochida N, Ogasawara T, Koyama K. Pup birth from mouse oocytes in preantral follicles derived from vitrified and warmed ovaries followed by in vitro growth, in vitro maturation, and in vitro fertilization. Fertil Steril 2006; 86:1182-92. [PMID: 16963048 DOI: 10.1016/j.fertnstert.2005.12.082] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2005] [Revised: 12/24/2005] [Accepted: 12/24/2005] [Indexed: 11/22/2022]
Abstract
OBJECTIVE To determine an optimum condition for vitrification of various animal species and to examine the developing capacity into pups of mouse oocytes in preantral follicles originating from cryopreserved ovaries. DESIGN Experimental animal study. SETTING Laboratory environment. ANIMAL(S) Normal (C57BL/6 x DBA2) F1 mice. INTERVENTION(S) Vitrification of animal ovaries using polyester sheets as a storage device; collection of oocyte-granulosa cell complexes by enzymatic treatment; and in vitro growth (IVG), in vitro maturation (IVM), and IVF, with embryo transplantation to pseudopregnant mice. MAIN OUTCOME MEASURE(S) Histological analysis of vitrified and warmed ovaries from several animal species; measurement of successful rates in IVG, IVM, and IVF of mouse oocytes in oocyte-granulosa cell complexes collected from the vitrified and warmed ovaries; and achievement of pup birth. RESULT(S) The vitrification method used was effective for storage of various animal ovaries. The oocytes enclosed in preantral follicles that were yielded from the vitrified-warmed ovaries preserved the capacity for developing into pups after IVG, IVM, and IVF. CONCLUSION(S) The findings indicated that ovarian cryopreservation by vitrification and subsequent IVG, IVM, and IVF are promising methods for restoring young cancer patients' fertility. The practical information presented here is applicable to human ovarian tissues.
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Affiliation(s)
- Akiko Hasegawa
- Laboratory of Developmental Biology and Reproduction, Institute for Advanced Medical Sciences, Nishinomiya, Japan
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41
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Santos RR, Tharasanit T, Figueiredo JR, van Haeften T, van den Hurk R. Preservation of caprine preantral follicle viability after cryopreservation in sucrose and ethylene glycol. Cell Tissue Res 2006; 325:523-31. [PMID: 16645860 DOI: 10.1007/s00441-006-0193-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2005] [Accepted: 02/08/2006] [Indexed: 10/24/2022]
Abstract
Caprine preantral follicles within ovarian fragments were cryopreserved in the absence or presence of 0.5 M sucrose with or without 1 M dimethyl sulfoxide and/or 1 M ethylene glycol (EG). After being thawed, they were washed in minimum essential medium with or without 0.3 M sucrose. Histological analysis of follicle integrity immediately after cryopreservation showed consistent beneficial effects of including sucrose in the three cryoprotectant solutions analyzed when tissue was thawed without sucrose (53.9+/-14.8-82.4+/-3.2% normal vs 27.6+/-1.6-36.6+/-6.5%, P<0.05). However, in further studies, the addition of sucrose to the thaw solutions proved detrimental or of no benefit. An analysis of the cryopreserved material with calcein-AM and ethidium homodimer (markers for living and dead cells, respectively) gave comparable results to those obtained by histology. Follicles cryopreserved in EG, EG plus sucrose, or sucrose alone were cultured in vitro for 24 h following warming. During this culture period, viability fell most rapidly in material cryopreserved in sucrose alone and was no longer correlated with either the viability or integrity estimates made immediately after warming. By contrast, the viability of follicles cryopreserved in EG with sucrose and then cultured for 24 h was not significantly different from the cultured non-frozen controls. These results indicate that cryopreservation in 1 M EG plus 0.5 M sucrose combined with thawing without sucrose is effective for caprine ovarian tissue.
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Affiliation(s)
- R R Santos
- Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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42
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Alm H, Katska-Ksiazkiewicz L, Ryńska B, Tuchscherer A. Survival and meiotic competence of bovine oocytes originating from early antral ovarian follicles. Theriogenology 2006; 65:1422-34. [PMID: 16263161 DOI: 10.1016/j.theriogenology.2005.08.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2005] [Revised: 08/29/2005] [Accepted: 08/30/2005] [Indexed: 10/25/2022]
Abstract
The aim of the present study was to examine the growth and survival in culture, and the subsequent meiotic competence, of bovine oocytes recovered from early antral ovarian follicles. Follicles isolated by microdissection of the ovarian slices were sorted into two size groups: (I) 0.2-0.5 mm diameter; and (II) 0.4-0.7 mm diameter. Group I follicles were cultured intact while in Group II, cumulus-oocyte complexes with pieces of parietal granulosa were dissected from the follicles and cultured. Follicles or cumulus-oocyte complexes with parietal granulose were embedded in collagen gel and cultured in TCM 199 supplemented with 3% BSA and 4 mM hypoxanthine for 14 days (Group I) or 7-10 days (Group II). After this, cumulus-oocyte complexes were recovered from the gel. Oocytes that had lost the majority of the cumulus were fixed immediately after recovery. Cumulus-oocyte complexes showing normal morphology were either fixed immediately or were subjected to IVM for an additional 24h, and then were fixed. At the end of the growth culture, 57.6% of the compact COCs in Group I follicles were preserved in the GV configuration, 16.7% had resumed meiosis, and 25.8% were degenerated or did not show detectable chromatin. After IVM, the proportion of oocytes resuming meiosis increased significantly (from 16.7% versus 42.7%; P < 0.05), and 9.1% of all oocytes had reached TI or MII. The isolated cumulus-oocyte complexes in Group II began creating follicle-like structures following 24 h of growth culture (7.1%). The proportion of these structures reached 50.8% on days 2-3, and then gradually decreased due to degeneration. On day 10 only 5.8% of cumulus-oocyte complexes were classified as intact. Of the cumulus intact oocytes recovered from the newly created follicle-like structures at 7-10 days, 54.7% were in the germinal vesicle stage, 31.0% underwent germinal vesicle breakdown, 14.3% were degenerated or the chromatin configuration was not detectable. After 24 h of IVM, 67.6% of oocytes had resumed meiosis, and 21.6% of all oocytes had reached TI and MII. These results show that isolated early follicles and cumulus-oocyte complexes from intact early antral follicles can grow in culture and can develop meiotic competence.
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Affiliation(s)
- H Alm
- Forschungsinstitut für die Biologie Landwirtschaftlicher Nutztiere, 18196 Dummerstorf, Rostock, Germany.
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43
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Abstract
Recent advances in reproductive biotechnologies in small ruminants include improvement of methods for in vitro production of embryos and attempts at spermatogonial stem cell transplantation. In vitro production of embryos by IVM/IVF, intra-cytoplasmic sperm injection (ICSI), or nuclear transfer (NT) has been made possible by improvements in oocyte collection and maturation techniques, and early embryo culture systems. However, in vitro embryo production still is not very efficient due to several limiting factors affecting the outcome of each step of the process. This paper discusses factors affecting in vitro embryo production in small ruminants and camelids, as well as preliminary results with the technique of spermatogonial stem cell transplantation.
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Affiliation(s)
- A Tibary
- Department of Veterinary Clinical Sciences and Center for Reproductive Biology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164-6610, USA.
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44
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Santos RR, Rodrigues APR, Costa SHF, Silva JRV, Matos MHT, Lucci CM, Báo SN, van den Hurk R, Figueiredo JR. Histological and ultrastructural analysis of cryopreserved sheep preantral follicles. Anim Reprod Sci 2005; 91:249-63. [PMID: 15985344 DOI: 10.1016/j.anireprosci.2005.04.013] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2004] [Revised: 03/21/2005] [Accepted: 04/18/2005] [Indexed: 11/29/2022]
Abstract
The aim of this study was to verify the histological and ultrastructural characteristics of sheep preantral follicles after exposure of ovarian tissue to cryopreservation in glycerol (GLY), ethylene glycol (EG), propanediol (PROH) or dimethyl sulfoxide (DMSO) in order to determine the optimum method to store sheep ovarian tissue for later experimental or clinical use. Each ovarian pair from five mixed-breed ewes was divided into 17 fragments. One (control) fragment was immediately fixed for routine histological and ultrastructural studies and the remaining (test) fragments were randomly distributed in cryotubes, equilibrated at 20 degrees C/20 min in 1.8 mL of minimal essential medium (MEM) containing 1.5 or 3 M GLY, EG, PROH or DMSO and then either fixed for morphological studies to determine their possible toxic effect or frozen/thawed and then fixed to test the effect of cryopreservation on preantral follicles. Histological analysis showed that, compared to control fragments, all cryoprotectants at both concentrations significantly reduced the percentage of normal preantral follicles in ovarian fragments prior to or after cryopreservation. PROH 3.0 M appeared to exert a more toxic effect (P<0.05) than the other cryoprotectants in noncryopreserved tissues. After freezing/thawing, the highest (P<0.05) percentages of lightmicroscopical normal preantral follicles were observed in ovarian fragments cryopreserved in EG (1.5 and 3 M) or DMSO (1.5 M). However, transmission electronic microscopical (TEM) examination showed that only the DMSO-cryopreserved preantral follicles had normal ultrastructure. The data suggest that sheep preantral follicles should be cryopreserved with 1.5 M DMSO for later clinical or experimental application.
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Affiliation(s)
- Regiane R Santos
- Laboratory of Manipulation of Oocytes Enclosed in Preantral Follicles--LAMOFOPA, Faculty of Veterinary, State University of Ceará, Fortaleza, CE, Brazil.
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45
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Muruvi W, Picton HM, Rodway RG, Joyce IM. In vitro growth of oocytes from primordial follicles isolated from frozen-thawed lamb ovaries. Theriogenology 2005; 64:1357-70. [PMID: 16139612 DOI: 10.1016/j.theriogenology.2005.02.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2004] [Revised: 02/18/2005] [Accepted: 02/20/2005] [Indexed: 10/25/2022]
Abstract
A study was conducted to develop an in vitro culture system for growing sheep oocytes from isolated primordial follicles. Enzymatically isolated neonatal sheep primordial follicles were cultured in Waymouth MB752/1 medium containing BSA (3 mg/ml) + ITS (1%, v/v) over 28 days. In Experiment 1, primordial follicles (average diameter 40.2+/-0.60 microm) were cultured at densities of 20, 50 and 100 follicles per well. Less than 20% of the oocytes survived to day 28 but there was a significant (P < 0.05) increase in median oocyte diameter from day 2 to day 28 for oocytes cultured at the higher densities of 50 and 100 follicles. In Experiment 2, two methods to improve oocyte:granulosa cell associations were tested. Altering the fibronectin coating regime did not improve oocyte survival and growth. In contrast lectin-aggregated primordial follicles cultured on non-coated wells showed significantly (P < 0.05) improved oocyte survival to 50% and increased median oocyte diameter compared to non-aggregated follicles. In Experiment 3, the effect of KIT ligand (KL) at 0 ng/ml, 10 ng/ml and 100 ng/ml, on lectin-aggregated primordial follicles cultured on non-coated wells was tested. KL at 100 ng/ml significantly (P < 0.05) increased median oocyte diameter compared to non-treated controls but had no effect on oocyte survival. In addition, follicles cultured with 100 ng/ml KL expressed mRNA for AMH, a gene expressed only in granulosa cells of growing follicles. In conclusion, culture of lectin-aggregated primordial follicles supported the long-term survival and growth of oocytes from isolated sheep primordial follicles. Culture of lectin-aggregates with 100 ng/ml KL further increased oocyte growth and induced granulosa cell differentiation.
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Affiliation(s)
- Wanzirai Muruvi
- School of Biology, University of Leeds, Clarendon Way, Leeds LS2 9JT, UK.
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46
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Abstract
Human ovarian tissue can be successfully cryopreserved, with good survival and function after thawing. Experimental animal studies regarding ovarian tissue cryopreservation resulting in live-born offspring preceded the present freezing systems in humans. On the basis of current knowledge, the standard method for human ovarian cryopreservation is slow programmed freezing, using human serum albumin-containing medium, and propanediol, dimethylsulphoxide (DMSO) or ethylene glycol as a cryoprotectant, combined with sucrose. Vitrification is still at the experimental stage. Whole organ cryopreservation is an interesting experimental option. Transplantation of the frozen-thawed tissue is a feasible method to utilize the tissue in infertility treatment. Ovarian function has been restored in humans. Because one healthy child has already been born from cryopreserved tissue, tissue cryopreservation should perhaps be offered to all young girls and women who can be predicted to undergo premature ovarian failure due to cancer treatment or genetic causes. Maturation of follicles in vitro from frozen-thawed tissue is another option that is still under development.
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Affiliation(s)
- Outi Hovatta
- Karolinska Institutet, Department of Clinical Science, Karolinska University Hospital Huddinge, SE 141 86 Stockholm, Sweden.
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Senbon S, Fukumi Y, Hamawaki A, Yoshikawa M, Miyano T. Bovine oocytes grown in serum-free medium acquire fertilization competence. J Reprod Dev 2004; 50:541-7. [PMID: 15514460 DOI: 10.1262/jrd.50.541] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We previously found that bovine oocytes 90-99 microm in diameter in early antral follicles grew to nearly their final size in serum-free medium, with some of the oocytes acquiring the nuclear competence to reach the second metaphase. In the present study, we examined the competence of the fertilization and pre-implantational development of the oocytes grown in serum-free medium. Bovine early antral follicles, 0.4-0.7 mm in diameter, were collected mechanically using fine forceps, embedded in collagen gels, and cultured in serum-free medium for 16 days. Grown oocytes which were enclosed by granulosa cells and did not show disintegrated ooplasm were recovered as normal oocytes, were transferred to the maturation medium, and then inseminated with spermatozoa. Ten to 12 h after insemination, 28% (41/145) of the oocytes were penetrated by spermatozoa. Of the penetrated oocytes, 18 (12%) formed a female and a male pronuclei, and 10 (7%) had a female pronucleus and an enlarged sperm head. Among the abnormally penetrated oocytes (13/41), 10 were penetrated by multiple spermatozoa and 3 were penetrated by a spermatozoon at the first metaphase stage. Of the 106 inseminated oocytes grown under serum-free conditions, 8 oocytes had cleaved and developed to the 2-cell stage 48 h after insemination, and 3-4-cell embryos and 5-8-cell embryos were observed after 72-96 h. However, no embryo developed to the blastocyst stage within 8 days. These results indicate that bovine oocytes grown in serum-free medium can be fertilized, but acquire insufficient embryonic development competence under the employed culture conditions.
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Affiliation(s)
- Shoichiro Senbon
- Graduate School of Science and Technology, Kobe University, Japan
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