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Deligiannis SP, Kask K, Modhukur V, Boskovic N, Ivask M, Jaakma Ü, Damdimopoulou P, Tuuri T, Velthut-Meikas A, Salumets A. Investigating the impact of vitrification on bovine ovarian tissue morphology, follicle survival, and transcriptomic signature. J Assist Reprod Genet 2024; 41:1035-1055. [PMID: 38358432 PMCID: PMC11052753 DOI: 10.1007/s10815-024-03038-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 01/18/2024] [Indexed: 02/16/2024] Open
Abstract
PURPOSE Ovarian tissue cryopreservation is vital for fertility preservation, yet its effect on ovarian tissue follicle survival and transcriptomic signature requires further investigation. This study delves into the effects of vitrification on tissue morphology, function, and transcriptomic changes, helping to find possibilities for vitrification protocol improvements. METHODS Ovarian cortex from 19 bovine animals were used to conduct pre- and post-vitrification culture followed by histological assessment, immunohistochemistry, and TUNEL assay. Follicles' functionality was assessed for viability and growth within the tissue and in isolated cultures. RNA-sequencing of ovarian tissue was used to explore the transcriptomic alterations caused by vitrification. RESULTS Follicle density, cell proliferation, and DNA damage in ovarian stroma were unaffected by vitrification. However, vitrified cultured tissue exhibited reduced follicle density of primordial/primary and antral follicles, while freshly cultured tissue manifested reduction of antral follicles. Increased stromal cell proliferation and DNA damage occurred in both groups post-culture. Isolated follicles from vitrified tissue exhibited similar viability to fresh follicles until day 4, after which the survival dropped. RNA-sequencing revealed minor effects of vitrification on transcriptomic signatures, while culture induced significant gene expression changes in both groups. The altered expression of WNT and hormonal regulation pathway genes post-vitrification suggests the molecular targets for vitrification protocol refinement. CONCLUSION Vitrification minimally affects tissue morphology, follicle density, and transcriptomic signature post-thawing. However, culture revealed notable changes in vitrified tissue samples, including reduced follicle density, decreased isolated follicle survival, and alteration in WNT signalling and ovarian hormonal regulation pathways, highlighted them as possible limitations of the current vitrification protocol.
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Affiliation(s)
- Spyridon P Deligiannis
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Huddinge, 14186, Stockholm, Sweden.
- Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, 14186, Stockholm, Sweden.
- Department of Obstetrics and Gynaecology, Institute of Clinical Medicine, University of Tartu, 50406, Tartu, Estonia.
- Department of Obstetrics and Gynecology, University of Helsinki, 00290, Helsinki, Finland.
| | - Keiu Kask
- Department of Obstetrics and Gynaecology, Institute of Clinical Medicine, University of Tartu, 50406, Tartu, Estonia
- Competence Centre of Health Technologies, 50411, Tartu, Estonia
| | - Vijayachitra Modhukur
- Department of Obstetrics and Gynaecology, Institute of Clinical Medicine, University of Tartu, 50406, Tartu, Estonia
- Competence Centre of Health Technologies, 50411, Tartu, Estonia
| | - Nina Boskovic
- Department of Obstetrics and Gynecology, University of Helsinki, 00290, Helsinki, Finland
- Department of Biosciences and Nutrition, Karolinska Institutet, 14183, Huddinge, Sweden
| | - Marilin Ivask
- Department of Pathophysiology, Institute of Biomedicine and Translational Medicine, University of Tartu, 50411, Tartu, Estonia
- Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, 51014, Tartu, Estonia
| | - Ülle Jaakma
- Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, 51014, Tartu, Estonia
| | - Pauliina Damdimopoulou
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Huddinge, 14186, Stockholm, Sweden
- Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, 14186, Stockholm, Sweden
| | - Timo Tuuri
- Department of Obstetrics and Gynecology, University of Helsinki, 00290, Helsinki, Finland
| | - Agne Velthut-Meikas
- Department of Chemistry and Biotechnology, Tallinn University of Technology, 12618, Tallinn, Estonia
| | - Andres Salumets
- Division of Obstetrics and Gynecology, Department of Clinical Science, Intervention and Technology, Karolinska Institutet, Huddinge, 14186, Stockholm, Sweden.
- Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, 14186, Stockholm, Sweden.
- Department of Obstetrics and Gynaecology, Institute of Clinical Medicine, University of Tartu, 50406, Tartu, Estonia.
- Competence Centre of Health Technologies, 50411, Tartu, Estonia.
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Karimi S, Tabatabaei SN, Novin MG, Kazemi M, Mofarahe ZS, Ebrahimzadeh-Bideskan A. Nanowarming improves survival of vitrified ovarian tissue and follicular development in a sheep model. Heliyon 2023; 9:e18828. [PMID: 37636467 PMCID: PMC10448434 DOI: 10.1016/j.heliyon.2023.e18828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 07/12/2023] [Accepted: 07/31/2023] [Indexed: 08/29/2023] Open
Abstract
Tissue cryopreservation has allowed long term banking of biomaterials in medicine. Ovarian tissue cryopreservation in particular helps patients by extending their fertility window. However, protection against tissue injury during the thawing process has proven to be challenging. This is mainly due to the heterogenous and slow distribution of the thermal energy across the vitrified tissue during a conventional warming process. Nanowarming is a technique that utilizes hyperthermia of magnetic nanoparticles to accelerate this process. Herein, hyperthermia of synthesized PEGylated silica-coated iron oxide nanoparticles was used to deter the injury of cryopreserved ovarian tissue in a sheep model. When compared to the conventional technique, our findings suggest that follicular development and gene expression in tissues warmed by the proposed technique have been improved. In addition, Nanowarming prevented cellular apoptosis and oxidative stress. We therefore conclude that Nanowarming is a potential complementary candidate to increase efficiency in the ovarian cryopreservation field.
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Affiliation(s)
- Sareh Karimi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Iran
| | - Seyed Nasrollah Tabatabaei
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Department of Pediatrics, Physiology and Pharmacology, University of Montreal, Montreal, Qc, Canada
| | - Marefat Ghaffari Novin
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Kazemi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Shams Mofarahe
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Ebrahimzadeh-Bideskan
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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