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Sanguansook P, Martínez-López C, Izquierdo-Rico MJ, Martínez-Cáceres C, López-Orozco M, Chatdarong K, García-Vázquez FA. Development of decellularization protocols for female cat reproductive organs. Res Vet Sci 2024; 173:105257. [PMID: 38636324 DOI: 10.1016/j.rvsc.2024.105257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 03/27/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
Decellularization is an innovative method to create natural scaffolds by removing all cellular materials while preserving the composition and three-dimensional ultrastructure of the extracellular matrix (ECM). The obtention of decellularized reproductive organs in cats might facilitate the development of assisted reproductive techniques not only in this species but also in other felids. The aim was to compare the efficiency of three decellularization protocols on reproductive organs (ovary, oviduct, and uterine horn) in domestic cats. The decellularization protocol involved 0.1% sodium dodecyl sulfate and 1%Triton X-100. Protocol 1 (P1) entailed 2-cycles of decellularization using these detergents. Protocol 2 (P2) was like P1 but included 3-cycles. Protocol 3 (P3) was similar to P2, with the addition of deoxyribonuclease incubation. Reproductive organs from nine cats were separated into two sides. One side served as the control (non-decellularized organ) while the contralateral side was the treated group (decellularized organ). The treated organs were subdivided into 3 groups (n = 3 per group) for each protocol. Both control and treated samples were analyzed for DNA content, histology (nuclear and ECM (collagen, elastin, and glycosaminoglycans (GAGs)) density), ultrastructure by electron microscopy, and cytotoxicity. The results of the study showed that P3 was the only protocol that displayed no nucleus residue and significantly reduced DNA content in decellularized samples (in all the studied organs) compared to the control (P < 0.05). The ECM content in the ovaries remained similar across all protocols compared with controls (P > 0.05). However, elastic fibers and GAGs decreased in decellularized oviducts (P < 0.05), while collagen levels remained unchanged (P > 0.05). Regarding the uterus, the ECM content decreased in decellularized uterine horns from P3 (P < 0.05). Electron microscopy revealed that the microarchitecture of the decellularized samples was maintained compared to controls. The decellularized tissues, upon being washed for 24 h, showed cytocompatibility following co-incubation with sperm. In conclusion, when comparing different decellularization methods, P3 proved to be the most efficient in removing nuclear material from reproductive organs compared to P1 and P2. P3 demonstrated its success in decellularizing ovarian samples by significantly decreasing DNA content while maintaining ECM components and tissue microarchitecture. However, P3 was less effective in maintaining ECM contents in decellularized oviducts and uterine horns.
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Affiliation(s)
- Phakjira Sanguansook
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand
| | - Cristina Martínez-López
- Departamento de Biología Celular e Histología, Facultad de Medicina, Universidad de Murcia, Murcia, Spain; Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB), Murcia, Spain; Departamento de Fisiología, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain
| | - Mª José Izquierdo-Rico
- Departamento de Biología Celular e Histología, Facultad de Medicina, Universidad de Murcia, Murcia, Spain; Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB), Murcia, Spain
| | | | - Marina López-Orozco
- Departamento de Producción Animal, Facultad de Veterinaria, Campus de Excelencia Internacional para la Educación Superior y la Investigación "Campus Mare Nostrum", Universidad de Murcia, Murcia, Spain
| | - Kaywalee Chatdarong
- Department of Obstetrics, Gynaecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Bangkok, Thailand.
| | - Francisco Alberto García-Vázquez
- Instituto Murciano de Investigación Biosanitaria Pascual Parrilla (IMIB), Murcia, Spain; Departamento de Fisiología, Facultad de Veterinaria, Universidad de Murcia, Murcia, Spain.
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Torkzadeh T, Asadi Z, Jafari Atrabi M, Eivazkhani F, Khodadi M, Hajiaghalou S, Akbarinejad V, Fathi R. Optimisation of hormonal treatment to improve follicular development in one-day-old mice ovaries cultured under in vitro condition. Reprod Fertil Dev 2023; 35:733-749. [PMID: 37995332 DOI: 10.1071/rd23027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Accepted: 10/30/2023] [Indexed: 11/25/2023] Open
Abstract
CONTEXT Base medium containing knock-out serum replacement (KSR) has been found to support formation and maintenance of follicles in one-day-old mice ovaries, but has not been shown to properly support activation and growth of primordial follicles. AIMS The present study was conducted to tailor the hormonal content of base medium containing KSR to enhance development of primordial follicles in neonatal ovaries. METHODS One-day-old mice ovaries were initially cultured with base medium for four days, and then, different hormonal treatments were added to the culture media and the culture was proceeded for four additional days until day eight. Ovaries were collected for histological and molecular assessments on days four and eight. KEY RESULTS In experiment I, the main and interactive effects of FSH and testosterone were investigated and FSH promoted activation of primordial follicles and development of primary and preantral follicles, and upregulated genes of phosphoinositide 3-kinase (Pi3k ), KIT ligand (Kitl ), growth differentiation factor 9 (Gdf9 ) and follicle stimulating hormone receptor (Fshr ) (P Bmp15 ), Connexin-43 (Cx43 ) and luteinising hormone and choriogonadotropin receptor (Lhcgr ) (P P Lhcgr (P P >0.05). CONCLUSIONS Supplementation of culture medium containing KSR with gonadotropins, particularly hMG, could improve follicular growth and expression of factors regulating follicular development. IMPLICATIONS This study was a step forward in formulating an optimal medium for development of follicles in cultured one-day-old mice ovaries.
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Affiliation(s)
- Tahoura Torkzadeh
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Zahra Asadi
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; and Department of Oncology Science, University of Oklahoma Health Sciences Center, Oklahoma City, OK 73014, USA
| | - Mohammad Jafari Atrabi
- Institute of Pharmacology and Toxicology, University Medical Center, Georg August University, Göttingen, Germany; and Platform Degenerative Diseases, German Primate Center, Leibniz Institute for Primate Research (DPZ), Göttingen, Germany
| | - Farideh Eivazkhani
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Maryam Khodadi
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Samira Hajiaghalou
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Vahid Akbarinejad
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Rouhollah Fathi
- Department of Embryology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
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High steroid content in conditioned medium of granulosa cells may disrupt primordial follicles formation in in vitro cultured one-day-old murine ovaries. Reprod Biol 2022; 22:100613. [DOI: 10.1016/j.repbio.2022.100613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/09/2022] [Accepted: 02/03/2022] [Indexed: 11/19/2022]
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Kehoe S, Jewgenow K, Johnston PR, Mbedi S, Braun BC. Signalling pathways and mechanistic cues highlighted by transcriptomic analysis of primordial, primary, and secondary ovarian follicles in domestic cat. Sci Rep 2021; 11:2683. [PMID: 33514822 PMCID: PMC7846758 DOI: 10.1038/s41598-021-82051-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 01/11/2021] [Indexed: 12/16/2022] Open
Abstract
In vitro growth (IVG) of dormant primordial ovarian follicles aims to produce mature competent oocytes for assisted reproduction. Success is dependent on optimal in vitro conditions complemented with an understanding of oocyte and ovarian follicle development in vivo. Complete IVG has not been achieved in any other mammalian species besides mice. Furthermore, ovarian folliculogenesis remains sparsely understood overall. Here, gene expression patterns were characterised by RNA-sequencing in primordial (PrF), primary (PF), and secondary (SF) ovarian follicles from Felis catus (domestic cat) ovaries. Two major transitions were investigated: PrF-PF and PF-SF. Transcriptional analysis revealed a higher proportion in gene expression changes during the PrF-PF transition. Key influencing factors during this transition included the interaction between the extracellular matrix (ECM) and matrix metalloproteinase (MMPs) along with nuclear components such as, histone HIST1H1T (H1.6). Conserved signalling factors and expression patterns previously described during mammalian ovarian folliculogenesis were observed. Species-specific features during domestic cat ovarian folliculogenesis were also found. The signalling pathway terms "PI3K-Akt", "transforming growth factor-β receptor", "ErbB", and "HIF-1" from the functional annotation analysis were studied. Some results highlighted mechanistic cues potentially involved in PrF development in the domestic cat. Overall, this study provides an insight into regulatory factors and pathways during preantral ovarian folliculogenesis in domestic cat.
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Affiliation(s)
- Shauna Kehoe
- Reproduction Biology Department, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany.
| | - Katarina Jewgenow
- Reproduction Biology Department, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany
| | - Paul R Johnston
- Berlin Center for Genomics in Biodiversity Research BeGenDiv, Königin-Luise-Straße 6-8, D-14195, Berlin, Germany
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, 12587, Berlin, Germany
- Freie Universität Berlin, Institut für Biologie, Königin-Luise-Straße 1-3, 14195, Berlin, Germany
| | - Susan Mbedi
- Berlin Center for Genomics in Biodiversity Research BeGenDiv, Königin-Luise-Straße 6-8, D-14195, Berlin, Germany
- Museum für Naturkunde, Invalidenstraße 43, 10115, Berlin, Germany
| | - Beate C Braun
- Reproduction Biology Department, Leibniz Institute for Zoo and Wildlife Research, Alfred-Kowalke-Straße 17, 10315, Berlin, Germany
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Jewgenow K, Zahmel J. Preservation of female genetic resources in feline species. Theriogenology 2020; 156:124-129. [PMID: 32698038 DOI: 10.1016/j.theriogenology.2020.06.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 06/27/2020] [Indexed: 02/05/2023]
Abstract
The development of assisted reproduction techniques (ART) specifically for felids has been propagated for two main reasons: (i) most felids are threatened and faced with extinction in all or part of their native habitats (IUCN Red List of Threatened Species, www.catsg.org), and (ii) the domestic cat (Felis catus) can serve as a research model for the implementation of advanced assisted reproductive techniques (ART) to be applied in exotic cats. Domestic cat ovaries can be freshly obtained from veterinary clinics and are frequently used for research on preservation of genetic resources in feline species. The presented review will summarize recent advances and obstacles in biobanking of female genetic resources and discuss alternative approaches which are under investigation.
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Affiliation(s)
- Katarina Jewgenow
- Leibniz-Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, D-10315, Berlin, Germany.
| | - Jennifer Zahmel
- Leibniz-Institute for Zoo and Wildlife Research, Alfred-Kowalke-Str. 17, D-10315, Berlin, Germany
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Thongphakdee A, Sukparangsi W, Comizzoli P, Chatdarong K. Reproductive biology and biotechnologies in wild felids. Theriogenology 2020; 150:360-373. [PMID: 32102745 DOI: 10.1016/j.theriogenology.2020.02.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 02/03/2020] [Indexed: 12/18/2022]
Abstract
Conservation strategies in natural habitats as well as in breeding centers are necessary for maintaining and reinforcing viable populations of wild felids. Among the fundamental knowledge that is required for conservation breeding, a solid understanding of reproductive biology is critical for improving natural breeding and enhance genetic diversity. Additionally, it offers the opportunity to develop assisted reproductive technologies (ARTs) in threatened and endangered species. Conservation breeding and reproductive biotechnologies of wild felids have advanced in the past decade. It has been clearly shown that female felids have species and individual patterns of reproductive cycles and respond differently to exogenous hormones. In males, several species still have poor semen quality often due to the loss of genetic diversity in small populations. To overcome the challenges of natural breeding (incompatibility between individuals or suboptimal environment) and mitigate inbreeding, artificial insemination, embryo production and embryo transfer have been further developed in 24 wild cat species. Major factors limiting ART success are inconsistent responses to ovarian stimulation, variable quality of gametes and embryos, and preparation of recipient females. Additional approaches including stem cell technologies have been explored for future medical applications. However, there still is a critical need for better knowledge of feline reproductive biology and improvement of ARTs efficiency to increase the genetic diversity and create sustainable populations of wild felids.
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Affiliation(s)
- Ampika Thongphakdee
- Wildlife Reproductive Innovation Center, Bureau of Conservation and Research, Zoological Park Organization Under the Royal Patronage of H.M. the King, 267, Pracharaj 1 Road, Bang Sue, Bangkok, 10800, Thailand.
| | - Woranop Sukparangsi
- Department of Biology, Faculty of Science, Burapha University, Saen Suk, Muang, Chonburi, 20131, Thailand
| | - Pierre Comizzoli
- Smithsonian Conservation Biology Institute, National Zoological Park, 3001 Connecticut Ave, NW, Washington, DC, 2008, USA
| | - Kaywalee Chatdarong
- Research Unit of Obstetrics and Reproduction in Animals, Department of Obstetrics, Gynecology and Reproduction, Faculty of Veterinary Science, Chulalongkorn University, Henri-Dunant Road, Bangkok, 10330, Thailand
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Piras AR, Burrai GP, Ariu F, Falchi L, Zedda MT, Pau S, Gadau SD, Antuofermo E, Bebbere D, Ledda S, Bogliolo L. Structure of preantral follicles, oxidative status and developmental competence of in vitro matured oocytes after ovary storage at 4 °C in the domestic cat model. Reprod Biol Endocrinol 2018; 16:76. [PMID: 30097048 PMCID: PMC6087010 DOI: 10.1186/s12958-018-0395-1] [Citation(s) in RCA: 13] [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: 03/21/2018] [Accepted: 08/02/2018] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Storage conditions during transportation of explanted ovaries are a critical step in setting up fertility preservation protocols in both animal and human fields. Here, we evaluated the effects of ovary storage at 4 °C on the preservation of preantral follicles and oocytes retrieved from antral follicles using the domestic cat as model. METHODS Ovaries were harvested from fifty-five healthy domestic queens during ovariectomy and stored at 4 °C for 0 (control), 24, 48, 72 and 96 h. In Experiment 1, the effects of the storage period at 4 °C on the morphology, cytoskeleton (α/β tubulin) and DNA integrity (phosphorylation of histone H2AX) of preantral follicles were investigated. In Experiment 2, oocytes recovered from antral follicles were matured and fertilized in vitro to evaluate their meiotic and developmental competence. Reactive oxygen species (ROS), glutathione (GSH) and lipid peroxidation were measured in matured oocytes. RESULTS The results showed that: a) storage up to 24 h did not affect the morphology and the DNA integrity of preantral follicles; b) extended storage times caused progressive morphological abnormalities, disassembling of microtubules and DNA damage; c) storage up to 48 h did not influence in vitro meiotic maturation of oocytes nor cleavage after in vitro fertilization. However, only oocytes stored within the ovary for 24 h produced blastocysts in a percentage similar to control oocytes; d) GSH levels of in vitro matured oocytes did not change at any time during ovary storage; a progressive increase in ROS levels was detected from 48 h associated with elevated lipid peroxidation at 72 and 96 h of storage. CONCLUSIONS Storage of cat ovaries for up to 24 h caused minimal alteration of preantral follicles and oocytes. The extension of the storage period beyond 24 h progressively impaired the structure of follicles, and modified the oxidative status of in vitro matured oocytes and their developmental competence after in vitro fertilization. This information may help when setting up programs for fertility conservation, especially for wild feline species which die in geographic areas located far away from ARTs centers.
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Affiliation(s)
- Anna Rita Piras
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Giovanni Pietro Burrai
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Federica Ariu
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Laura Falchi
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Maria Teresa Zedda
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Salvatore Pau
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Sergio Domenico Gadau
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Elisabetta Antuofermo
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Daniela Bebbere
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Sergio Ledda
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Luisa Bogliolo
- 0000 0001 2097 9138grid.11450.31Department of Veterinary Medicine, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
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Rajabi Z, Khokhar Z, Yazdekhasti H. The Growth of Preantral Follicles and the Impact of Different Supplementations and Circumstances: A Review Study with Focus on Bovine and Human Preantral Follicles. Cell Reprogram 2018; 20:164-177. [PMID: 29782184 DOI: 10.1089/cell.2017.0068] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
One of the most important concerns cancer survivors face is fertility. Current treatment modalities often result in damage to the reproductive system. Different options have been proposed to preserve the fertility of affected women, and many attempts have been made to improve their chance of childbearing after therapy. Cryopreservation of ovarian tissue and follicles before the onset of cancer treatment and then either transplantation of ovarian tissue or culture of ovarian tissue and individual follicles in vitro is a commonly cited approach. Extensive research is being done to design an optimal condition for the culture of ovarian follicles. Improving follicle culture systems by understanding their actual growth needs might be a crucial step toward fertility preservation in cancer patients. This review article will try to provide a summary of the role of different factors and conditions on growth of human and bovine preantral follicles in vitro.
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Affiliation(s)
- Zahra Rajabi
- 1 Department of Anatomy, Faculty of Medicine, Tehran University of Medical Sciences , Tehran, Iran .,2 Department of Biomedical Engineering, University of Virginia , Charlottesville, Virginia
| | - Zunair Khokhar
- 3 Department of Cell Biology, University of Virginia , Charlottesville, Virginia
| | - Hossein Yazdekhasti
- 4 Center for Research in Contraception and Reproductive Health, University of Virginia , Charlottesville, Virginia.,5 Center for Membrane & Cell Physiology, Department of Molecular Physiology and Biological Physics, University of Virginia , Charlottesville, Virginia
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Martins JLA, Lopes MD, de Souza FF, Possebon FS, Wibbelt G, Jewgenow K. Cat preantral follicle survival after prolonged cooled storage followed by vitrification. Cryobiology 2018; 81:94-100. [PMID: 29470953 DOI: 10.1016/j.cryobiol.2018.02.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 09/12/2017] [Accepted: 02/02/2018] [Indexed: 11/18/2022]
Abstract
The aim of this study was to investigate the impact of prolonged storage at 4 °C on survival of cat preantral follicles (PAFs) pre- and post-vitrification. Ovaries were obtained from 12 queens and transported at 4 ºC within 2-6 h. Parts of the ovaries were stored for an additional 24 h or 72 h. The ovarian cortex was dissected, analyzed for viability (neutral red - NR) and morphology (histology - HE and ultrastructural analysis by TEM) and vitrified. We used 2 mm biopsy punches to obtain equal size pieces as the experimental units. After NR assessment, each sample was fixed and embedded in paraffin for HE staining to determine the number of morphologically intact follicles. Another 2 mm piece of ovary was subjected to TEM. NR viability assessment and HE results showed a similar tendency with PAF survival postvitrification even after prolonged cooling at 24 h and 72 h. With TEM, integrity of mitochondria, plasma and basal membranes as well as the presence of pre-granulose cells of PAFs were documented postvitrification for the control group and 24 h prolonged storage group, but not after 72 h storage. Our results showed that cat PAFs can survive prolonged storage followed by vitrification. The described set of techniques are applicable towards creating a gamete bank for endangered feline species.
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Affiliation(s)
- Jorge Luis Araújo Martins
- Laboratory of Small and Wild Animals Reproduction, Department of Animal Reproduction and Veterinary Radiology, FMVZ, UNESP, Botucatu, Brazil.
| | - Maria Denise Lopes
- Laboratory of Small and Wild Animals Reproduction, Department of Animal Reproduction and Veterinary Radiology, FMVZ, UNESP, Botucatu, Brazil
| | - Fabiana Ferreira de Souza
- Laboratory of Small and Wild Animals Reproduction, Department of Animal Reproduction and Veterinary Radiology, FMVZ, UNESP, Botucatu, Brazil
| | | | - Gudrun Wibbelt
- Department of Reproductive Biology, Leibniz-Institute for Zoo and Wildlife Research (IZW), Berlin, Germany
| | - Katarina Jewgenow
- Department of Reproductive Biology, Leibniz-Institute for Zoo and Wildlife Research (IZW), Berlin, Germany
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Thuwanut P, Comizzoli P, Wildt DE, Keefer CL, Songsasen N. Stem cell factor promotes in vitro ovarian follicle development in the domestic cat by upregulating c-kit mRNA expression and stimulating the phosphatidylinositol 3-kinase/AKT pathway. Reprod Fertil Dev 2017; 29:1356-1368. [DOI: 10.1071/rd16071] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 05/03/2016] [Indexed: 12/11/2022] Open
Abstract
In the present study we examined the effects of stem cell factor (SCF; 50 vs 100 ng mL–1) alone or in combination with epidermal growth factor (EGF; 100 ng mL–1) on: (1) the in vitro viability and growth of cat follicles within ovarian cortices; (2) phosphatidylinositol 3-kinase (PI3K)/AKT and mitogen-activated protein kinase (MAPK) phosphorylation; and (3) c-kit and FSH receptor (FSHr) mRNA expression. At 100 ng mL–1, SCF increased (P ≤ 0.05) the percentage and size of secondary follicles after 14 days of in vitro culture and sustained AKT phosphorylation after 3 days incubation. EGF suppressed this beneficial effect and reduced (P ≤ 0.05) the percentage of structurally normal follicles and FSHr expression when combined with 100 ng mL–1 SCF. Expression of c-kit mRNA was higher (P ≤ 0.05) in the presence of 100 ng mL–1 SCF compared with fresh follicles and cohorts cultured under other conditions. A c-kit inhibitor suppressed follicle growth and reduced AKT phosphorylation. Collectively, the results demonstrate that SCF promotes cat follicle development by upregulating c-kit mRNA expression and AKT phosphorylation. EGF suppresses the stimulating effect of SCF, leading to downregulation of FSHr expression.
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Carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP) pre-exposure ensures follicle integrity during in vitro culture of ovarian tissue but not during cryopreservation in the domestic cat model. J Assist Reprod Genet 2016; 33:1621-1631. [PMID: 27639998 DOI: 10.1007/s10815-016-0810-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Accepted: 09/06/2016] [Indexed: 10/21/2022] Open
Abstract
PURPOSE Temporary and reversible downregulation of metabolism may improve the survival of tissues exposed to non-physiological conditions during transport, in vitro culture, and cryopreservation. The objectives of the study were to (1) optimize the concentration and duration of carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP-a mitochondrial uncoupling agent) exposures for biopsies of domestic cat ovarian tissue and (2) examine the effects of FCCP pre-exposures on follicle integrity after tissue culture and/or cryopreservation. METHODS Biopsies of cat ovarian tissue were first treated with various concentrations of FCCP (0, 10, 40, or 200 nM) for 10 or 120 min to determine the most suitable pre-exposure conditions. Based on these results, tissues were pre-exposed to 200 nM FCCP for 120 min for the subsequent studies on culture and cryopreservation. In all experiments and for each treatment group, tissue activity and integrity were measured by mitochondrial membrane potential (relative optical density of rhodamine 123 fluorescence), follicular viability (calcein assay), follicular morphology (histology), granulosa cell proliferation (Ki-67 immunostaining), and follicular density. RESULTS Ovarian tissues incubated with 200 nM FCCP for 120 min led to the lowest mitochondrial activity (1.17 ± 0.09; P < 0.05) compared to control group (0 nM; 1.30 ± 0.12) while maintaining a constant percentage of viable follicles (75.3 ± 7.8 %) similar to the control group (71.8 ± 11.7 %; P > 0.05). After 2 days of in vitro culture, percentage of viable follicles (78.8 ± 8.9 %) in similar pre-exposure conditions was higher (P < 0.05) than in the absence of FCCP (61.2 ± 12.0 %) with percentages of morphologically normal follicles (57.6 ± 17.3 %) not different from the fresh tissue (70.2 ± 7.1 %; P > 0.05). Interestingly, percentages of cellular proliferation and follicular density were unaltered by the FCCP exposures. Based on the indicators mentioned above, the FCCP-treated tissue fragments did not have a better follicle integrity after freezing and thawing. CONCLUSIONS Pre-exposure to 200 nM FCCP during 120 min protects and enhances the follicle integrity in cat ovarian tissue during short-term in vitro culture. However, FCCP does not appear to exert a beneficial or detrimental effect during ovarian tissue cryopreservation.
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Lopes CAP, Alves AMCV, Jewgenow K, Báo SN, de Figueiredo JR. Cryopreservation of canine ovarian cortex using DMSO or 1,3-propanediol. Theriogenology 2016; 86:1165-74. [DOI: 10.1016/j.theriogenology.2016.04.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2016] [Accepted: 04/05/2016] [Indexed: 10/21/2022]
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Tanpradit N, Comizzoli P, Srisuwatanasagul S, Chatdarong K. Positive impact of sucrose supplementation during slow freezing of cat ovarian tissues on cellular viability, follicle morphology, and DNA integrity. Theriogenology 2015; 83:1553-61. [DOI: 10.1016/j.theriogenology.2015.01.035] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 01/29/2015] [Accepted: 01/31/2015] [Indexed: 11/30/2022]
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Abstract
Chemo- and radiation therapies used to treat cancer can have the unintended effect of making patients infertile. Clinically established fertility preservation methods, such as egg and embryo cryopreservation, are not applicable to all patients, which has motivated the development of strategies that involve ovarian tissue removal and cryopreservation before the first sterilizing treatment. To restore fertility at a later date, the early-stage follicles present in the tissue must be matured to produce functional oocytes, a process that is not possible using existing cell culture technologies. This review describes the application of tissue engineering principles to promote ovarian follicle maturation and produce mature oocytes through either in vitro culture or transplantation. The design principles for these engineered systems are presented, along with identification of emerging opportunities in reproductive biology.
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Reproduction and Advances in Reproductive Studies in Carnivores. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2014; 753:205-39. [DOI: 10.1007/978-1-4939-0820-2_10] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Alves EA, Padilha L, Savi PA, Apparicio MF, Mostachio GQ, Motheo TF, Pires-Buttler EA, Vicente WRR, Luvoni GC. In vitro survival of follicles collected from domestic cats' ovaries at different stages of oestrous cycle and cultured with IGF-1. Reprod Domest Anim 2013; 47 Suppl 6:109-12. [PMID: 23279477 DOI: 10.1111/rda.12001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2012] [Accepted: 07/17/2012] [Indexed: 12/01/2022]
Abstract
Optimal conditions for in vitro culture of feline ovarian follicles have not yet been defined. Follicular development is regulated by intraovarian growth factors, as insulin-like growth factor (IGF-1), and during the different stages of the oestrous cycle, follicles are exposed to specific hormonal environments. The aim of this study was to investigate the effect of IGF-1 on in vitro growth and granulosa cell (GC) viability of preantral follicles collected from domestic cats at follicular and luteal phases of the oestrous cycle. Oestrus and ovulation were induced in 12 cats. A total of 39 and 32 follicles collected at the follicular and luteal phases, respectively, were individually cultured in vitro for 6 days in minimum essential medium media supplemented with or without IGF-1 (100 ng/ml). Follicles collected during the follicular phase and cultured without IGF-1 displayed a significant increase in size and higher GC viability (46.5 ± 22.1 μm, 66.7%, respectively) than that of follicles collected at the luteal phase and cultured without IGF-1 (26.7 ± 14.4 μm, 50%, respectively; p < 0.05). In contrast, when IGF-1 was added to the culture medium, no differences were observed in size or GC viability between follicles collected at the two phases of the cycle. Nonetheless, follicles collected at the luteal phase and cultured with IGF-1 had a significant increase in their diameter and GC viability (31.9 ± 15.9 μm, 63.6%, respectively) than that cultured without IGF-1 (26.7 ± 14.4 μm, 50%, respectively; p < 0.05). These data suggest that in vitro growth and GC survival of feline preantral follicles are affected by the oestrous cycle phase, and the IGF-1 exerts a positive effect on follicles collected at the luteal phase.
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Affiliation(s)
- E A Alves
- Departamento de Medicina Veterinária Preventiva e Reprodução Animal, FCAV, UNESP-Univ Estadual Paulista, Jaboticabal, SP, Brazil.
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Effects of thyroxin (T4) and activin A on in vitro growth of preantral follicles in domestic cats. Theriogenology 2013; 79:824-32. [DOI: 10.1016/j.theriogenology.2012.12.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Revised: 12/25/2012] [Accepted: 12/27/2012] [Indexed: 11/18/2022]
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Wiedemann C, Zahmel J, Jewgenow K. Short-term culture of ovarian cortex pieces to assess the cryopreservation outcome in wild felids for genome conservation. BMC Vet Res 2013; 9:37. [PMID: 23433001 PMCID: PMC3614466 DOI: 10.1186/1746-6148-9-37] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2012] [Accepted: 02/13/2013] [Indexed: 01/26/2023] Open
Abstract
Background Cryopreservation of ovarian tissue has the potential to preserve female germ cells of endangered mammals. In the present study, a freezing protocol successfully used for human tissue, was adapted for preserving ovarian tissue of domestic and non-domestic felids. Ovaries from non-domestic felid species were obtained from seven freshly euthanized and two recently deceased wild felids kept in different European Zoos. In addition, ovaries from domestic cats were obtained after ovariectomy from local veterinary clinics for methological adaptations. Ovarian cortex was dissected and uniform sized pieces of 2 mm diameter were obtained. Using a slow freezing protocol (-0.3°C per min) in 1.5 mol/L ethylene glycol, 0.1 mol/L sucrose, the pieces were cultured for up to 14 days both before and after cryopreservation. The integrity of primordial follicles was assessed by histology, and the impact of different protein sources (FCS or BSA) and Vitamin C was determined during two weeks of culture. Results and conclusion During culture the number of primordial follicles decreased within the ovarian pieces (p < 0.05). This effect was less pronounced when FCS was used as the protein source instead of BSA. Supplementation with Vitamin C had a detrimental effect on follicle survival. Since the procedure of cryopreservation had no effect on the follicle survival after one week of culture we conclude that the freezing protocol was suitable for felids. This is the first report of preserving a huge amount of follicles within ovarian tissue by slow freezing performed in several wild feline species.
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Affiliation(s)
- Caterina Wiedemann
- Leibniz Institute for Zoo and Wildlife Research (IZW), PF 700430, Berlin 10324, Germany.
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Amstislavsky S, Lindeberg H, Luvoni GC. Reproductive Technologies Relevant to the Genome Resource Bank in Carnivora. Reprod Domest Anim 2011; 47:164-75. [DOI: 10.1111/j.1439-0531.2011.01886.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Songsasen N, Woodruff TK, Wildt DE. In vitro growth and steroidogenesis of dog follicles are influenced by the physical and hormonal microenvironment. Reproduction 2011; 142:113-22. [PMID: 21502334 DOI: 10.1530/rep-10-0442] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The present study examined the influences of the physical and hormonal microenvironment on in vitro growth and steroidogenesis of dog follicles. Follicles were enzymatically isolated and individually encapsulated in 0.5% (w/v; n=17) or 1.5% (n=10) alginate and cultured with 0.5 IU/ml equine chorionic gonadotropin for 192 h. In a separate experiment, follicles were encapsulated in 0.5% alginate and cultured with 0 (n=22), 1 (n=23), 10 (n=20) or 100 (n=21) μg/ml FSH for 240 h. Follicle diameter and steroid production were assessed every 48 h in both studies. Follicles encapsulated in the 0.5% alginate grew faster (P<0.05) than those cultured in the 1.5% concentration. Oestradiol (E(2)) and progesterone (P(4)) increased consistently (P<0.05) over time, and follicles in the 1.5% alginate produced more (P<0.05) P(4) than those in the 0.5% solution. Follicles cultured in the highest FSH concentration (100 μg/ml) increased 100% in size after 240 h compared with 50 to 70% in lower dosages. E(2) concentration remained unchanged over time (P>0.05) across FSH dosages. However, P(4) increased (P<0.05) as culture progressed and with increasing FSH concentration. Results demonstrate that dog follicles cultured in alginate retain structural integrity, grow in size and are hormonally active. Lower alginate and increasing FSH concentrations promote in vitro follicle growth. However, the absence of an E(2) rise in follicles cultured in FSH alone suggests the need for LH supplementation to support theca cell differentiation and granulosa cell function.
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Affiliation(s)
- N Songsasen
- Department of Reproductive Sciences, Center for Species Survival, Smithsonian Conservation Biology Institute, Front Royal, Virginia 22630, USA.
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JEWGENOW K, WIEDEMANN C, BERTELSEN MF, RINGLEB J. Cryopreservation of mammalian ovaries and oocytes. ACTA ACUST UNITED AC 2010. [DOI: 10.1111/j.1748-1090.2010.00124.x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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22
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Smitz J, Dolmans MM, Donnez J, Fortune JE, Hovatta O, Jewgenow K, Picton HM, Plancha C, Shea LD, Stouffer RL, Telfer EE, Woodruff TK, Zelinski MB. Current achievements and future research directions in ovarian tissue culture, in vitro follicle development and transplantation: implications for fertility preservation. Hum Reprod Update 2010; 16:395-414. [PMID: 20124287 PMCID: PMC2880913 DOI: 10.1093/humupd/dmp056] [Citation(s) in RCA: 236] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2009] [Revised: 11/12/2009] [Accepted: 12/10/2009] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Female cancer patients are offered 'banking' of gametes before starting fertility-threatening cancer therapy. Transplants of fresh and frozen ovarian tissue between healthy fertile and infertile women have demonstrated the utility of the tissue banked for restoration of endocrine and fertility function. Additional methods, like follicle culture and isolated follicle transplantation, are in development. METHODS Specialist reproductive medicine scientists and clinicians with complementary expertise in ovarian tissue culture and transplantation presented relevant published literature in their field of expertise and also unpublished promising data for discussion. As the major aims were to identify the current gaps prohibiting advancement, to share technical experience and to orient new research, contributors were allowed to provide their opinioned expert views on future research. RESULTS Normal healthy children have been born in cancer survivors after orthotopic transplantation of their cryopreserved ovarian tissue. Longevity of the graft might be optimized by using new vitrification techniques and by promoting rapid revascularization of the graft. For the in vitro culture of follicles, a successive battery of culture methods including the use of defined media, growth factors and three-dimensional extracellular matrix support might overcome growth arrest of the follicles. Molecular methods and immunoassay can evaluate stage of maturation and guide adequate differentiation. Large animals, including non-human primates, are essential working models. CONCLUSIONS Experiments on ovarian tissue from non-human primate models and from consenting fertile and infertile patients benefit from a multidisciplinary approach. The new discipline of oncofertility requires professionalization, multidisciplinarity and mobilization of funding for basic and translational research.
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Affiliation(s)
- J Smitz
- Follicle Biology Laboratory, Center for Reproductive Medicine, UZ Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium.
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Leon-Quinto T, Simon MA, Cadenas R, Jones J, Martinez-Hernandez FJ, Moreno JM, Vargas A, Martinez F, Soria B. Developing biological resource banks as a supporting tool for wildlife reproduction and conservation. Anim Reprod Sci 2009; 112:347-61. [DOI: 10.1016/j.anireprosci.2008.05.070] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2007] [Revised: 05/16/2008] [Accepted: 05/21/2008] [Indexed: 01/21/2023]
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Paris MCJ, Schlatt S. Ovarian and testicular tissue xenografting: its potential for germline preservation of companion animals, non-domestic and endangered species. Reprod Fertil Dev 2007; 19:771-82. [PMID: 17714631 DOI: 10.1071/rd07038] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2007] [Accepted: 04/27/2007] [Indexed: 01/15/2023] Open
Abstract
In the present paper we aim to review the development of both ovarian and testicular xenografting with specific emphasis on its usage for companion animals, non-domestic and endangered species. Ovarian and testicular tissue xenografting has been used successfully across a variety of species for the harvesting of mature gametes and subsequent fertilisation. It has become a novel and promising tool to explore various aspects of testicular development and function and was useful for determination of gonadotoxic treatments on xenografted gonads. In rodent animal models live births have been reported using gametes from xenografted gonadal tissue. Live births were also reported after grafting of human ovarian tissue. We envisage that it will not be long before the first live births across other species, including companion animals, non-domestic and endangered species, will be achieved.
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Affiliation(s)
- Monique C J Paris
- Institute for Breeding Rare and Endangered African Mammals (IBREAM), Edinburgh EH3 6AT, Scotland.
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Fassbender M, Hildebrandt TB, Paris MCJ, Colenbrander B, Jewgenow K. High-Resolution Ultrasonography of Xenografted Domestic Cat Ovarian Cortex. J Reprod Dev 2007; 53:1023-34. [PMID: 17585181 DOI: 10.1262/jrd.19021] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Transplantation of ovarian tissue has high potential for female gamete conservation. However, optimal timing of oocyte recovery for in vitro maturation and fertilization is still critical. Therefore the aim of the present study was to use high-resolution transcutaneous ultrasonography to monitor follicular development within xenografted ovarian tissue. Ovarian cortex fragments (n=44) from domestic cats were transplanted into athymic nude rats (n=12). Graft development in the animals was assessed weekly by high frequency ultrasound (10-22 MHz) under two different FSH regimes. Blood collection for serum estradiol determination and vaginal smears were performed simultaneously. The xenografts were removed at different time points according to the ultrasound findings. The survival rate of the transplants 4 weeks after surgery was 54.5% and antral follicular growth was observed within 10 grafts from 5 different hosts (8.6 +/- 6.43 follicles per graft). Early follicle antrums could be detected from 0.4 mm onwards. The growth rate of the antral cavity was calculated from weekly measurements (0.56 +/- 0.44 mm per week). Although vaginal cells and estradiol levels followed a cyclic pattern, no correlation was found between follicular diameter, estradiol and keratinized vaginal cells. We recovered 5, 1 and 4 cumulus oocyte complexes from three different individuals during weeks 19, 21, and 23 respectively. Extrusion of a polar body (1 oocyte) and germinal vesicle break down (7 oocytes) indicated progression of maturation after in vitro culture. We conclude that ultrasonography und provided a reliable method to examine xenograft survival and follicular development within the grafts. Furthermore, this technique is suitable for assessment of the efficiency of hormonal treatment and narrowing of the optimal time frame for oocyte retrieval. To our knowledge, this is the first report of the in vivo development of early antral follicles in mammalian species.
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Affiliation(s)
- Mirja Fassbender
- Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany.
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