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Boumerdassi Y, Labrosse J, Hammami F, Dahoun M, Bouyer J, O'Neill L, Sarandi S, Peigné M, Cedrin I, Grynberg M, Sifer C. Impact of oxygen tension during in vitro maturation: a sibling-oocyte prospective double-blinded study. Fertil Steril 2024; 121:615-621. [PMID: 38103883 DOI: 10.1016/j.fertnstert.2023.12.014] [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: 03/31/2022] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/19/2023]
Abstract
OBJECTIVE To determine whether oxygen (O2) tension (20% vs. 5%) has an impact on oocyte maturation rates and morphology during in vitro maturation (IVM). DESIGN A prospective, observational, monocentric, sibling-oocyte study. SETTING University Hospital. PATIENTS A total of 143 patients who underwent IVM for fertility preservation purposes from November 2016 to April 2021 were analyzed. Patients were included when ≥2 cumulus-oocyte complexes (COCs) were retrieved. The cohort of COCs obtained for each patient was randomly split into two groups: group 20% O2 and group 5% O2. INTERVENTION Cumulus-oocyte complexes were incubated for 48 hours either under 5% O2 or 20% O2. After 24 and 48 hours of culture, every oocyte was assessed for maturity and morphology, to estimate oocyte quality. Morphology was evaluated considering six parameters (shape, size, ooplasm, perivitelline space, zona pellucida, and polar body characteristics), giving a total oocyte score ranging from -6 to +6. MAIN OUTCOME MEASURES Maturation rates and total oocyte scores were compared using paired-sample analysis between group 20% O2 and group 5% O2. RESULTS Patient median age was 31.4 [28.1-35.2] years-old. The mean serum antimüllerian hormone levels and antral follicle count were 3.2 ± 2.3 ng/mL and 27.2 ± 16.0 follicles, respectively. A mean of 10.7 COCs per cycle were retrieved, leading to 6.1 ± 2.4 metaphase II oocytes vitrified (total maturation rate = 57.3%; 991 metaphase II oocytes/1,728 COCs). A total of 864 COCs were included in each group. Oocyte maturation rates were not different between the two groups (group 20% O2: 56.82% vs. group 5% O2: 57.87%, respectively). Regarding oocyte morphology, the mean total oocyte score was significantly higher in group 5% O2 compared with group 20% O2 (3.44 ± 1.26 vs. 3.16 ± 1.32, P=.014). CONCLUSION As culture under low O2 tension (5% O2) improves oocyte morphology IVM, our results suggest that culture under hypoxia should be standardized. Additional studies are warranted to assess the impact of O2 tension on oocyte maturation and the benefit of IVM under low O2 tension for embryo culture after utilization of frozen material.
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Affiliation(s)
- Yasmine Boumerdassi
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France; Université Sorbonne Paris Nord, Villetaneuse, France
| | - Julie Labrosse
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Bondy, France
| | - Fatma Hammami
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France
| | - Mehdi Dahoun
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France
| | - Jean Bouyer
- Centre for Research in Epidemiology and Population Health, Université Paris Saclay, France
| | - Louis O'Neill
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France
| | - Solmaz Sarandi
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France
| | - Maeliss Peigné
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Bondy, France
| | - Isabelle Cedrin
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Bondy, France
| | - Michael Grynberg
- Department of Reproductive Medicine and Fertility Preservation, Hôpital Jean Verdier, Bondy, France; Department of Reproductive Medicine and Fertility Preservation, Hôpital Antoine Béclère, Clamart, France; Université Paris Saclay, Le Kremlin Bicêtre, France; Université Paris-Diderot, Paris, France
| | - Christophe Sifer
- Department of Reproductive Biology, Hôpital Jean Verdier, Bondy, France; Équipe RHuMA, UMR-BREED, UFR Simone Veil Santé, Montigny le Bretonneux, France.
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Culture conditions for in vitro maturation of oocytes – A review. REPRODUCTION AND BREEDING 2022. [DOI: 10.1016/j.repbre.2022.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Effects of oxygen concentrations on developmental competence and transcriptomic profile of yak oocytes. ZYGOTE 2020; 28:459-469. [PMID: 32772955 DOI: 10.1017/s0967199420000337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Oxygen concentration influences oocyte quality and subsequent embryo development, but it remains unclear whether oxygen concentrations affect the developmental competence and transcriptomic profile of yak oocytes. In this study, we investigated the effects of different oxygen concentrations (5% versus 20%) on the developmental competence, reactive oxygen species (ROS) levels, glutathione (GSH) content, and transcriptomic profile of yak oocytes. The results showed that a low oxygen concentration significantly increased the maturation rate of yak oocytes (81.2 ± 2.2% vs 75.9 ± 1.3%) and the blastocyst quality of yak in vitro fertilized embryos. Analysis of ROS and GSH showed that a low oxygen concentration reduced ROS levels and increased the content of GSH (75.05 ± 7.1 ng/oocyte vs 50.63 ± 5.6 ng/oocyte). Furthermore, transcriptomic analysis identified 120 differentially expressed genes (DEGs) between the two groups of oocytes. Gene enrichment analysis of the DEGs indicated multiple cellular processes, including oxidative phosphorylation, transcription regulation, mitochondrial regulation, oestrogen signalling pathway, HIF-1 signalling pathway, TNF signalling pathway, were involved in the response to oxygen concentration alterations. Taken together, these results indicated that a low oxygen concentration improved the developmental competence of yak oocytes.
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Thi Nguyen N, Hirata M, Tanihara F, Hirano T, Le QA, Nii M, Otoi T. Hypothermic storage of porcine zygotes in serum supplemented with chlorogenic acid. Reprod Domest Anim 2019; 54:750-755. [PMID: 30788874 DOI: 10.1111/rda.13417] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 02/08/2019] [Indexed: 12/14/2022]
Abstract
The current study was conducted to investigate the effects of 100% foetal bovine serum (FBS) and 100% porcine follicular fluid (pFF) as a storage medium on the developmental competence of porcine zygotes stored at 25°C for 24 hr. Moreover, we evaluated the additive effects of chlorogenic acid (CGA) in the storage medium. When in vitro-produced zygotes were stored at 25°C for 24 hr in tubes containing either tissue culture medium (TCM) 199 supplemented with 1 mg/ml bovine serum albumin (BSA), 100% of FBS or 100% of pFF, the rate of blastocyst formation was significantly higher in 100% of FBS than in BSA-containing TCM 199. When the effects of CGA supplementation in 100% of FBS on the development of zygotes stored at 25°C for 24 hr was evaluated, more zygotes stored with 50 µM CGA developed to blastocysts compared with the other concentrations of CGA. When the formation date and quality of blastocysts derived from zygotes stored in 100% of FBS supplemented with 50 µM CGA were investigated, the highest ratio of blastocysts formation in the storage group appeared 1 day later than in the non-stored control group. However, a higher proportion of blastocysts with apoptotic nuclei was observed in the stored group as compared to the non-stored group. In conclusion, 100% of FBS is available for a short storage medium of porcine zygotes. The supplementation of 50 µM CGA into the storage medium improves the rates of blastocyst formation of zygotes after storage, but the quality of embryos from the stored zygotes remains to be improved.
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Affiliation(s)
- Nhien Thi Nguyen
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Maki Hirata
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Fuminori Tanihara
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Takayuki Hirano
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Quynh Anh Le
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
| | - Masahiro Nii
- Tokushima Prefectural Livestock Research Institute, Tokushima, Japan
| | - Takeshige Otoi
- Faculty of Bioscience and Bioindustry, Tokushima University, Tokushima, Japan
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Park YG, Lee SE, Son YJ, Jeong SG, Shin MY, Kim WJ, Kim EY, Park SP. Antioxidant β-cryptoxanthin enhances porcine oocyte maturation and subsequent embryo development in vitro. Reprod Fertil Dev 2018; 30:1204-1213. [DOI: 10.1071/rd17444] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Accepted: 02/16/2018] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress is partly responsible for the poor quality of IVM oocytes. The present study investigated the effects of the antioxidant β-cryptoxanthin on the IVM of porcine oocytes and the in vitro development of the ensuing embryos. Oocytes were matured in IVM medium containing different concentrations of β-cryptoxanthin (0, 0.1, 1, 10 or 100 μM). Treatment with 1 µM β-cryptoxanthin (Group 1B) improved polar body extrusion and the expression of maturation-related genes in cumulus cells and oocytes compared with control. In addition, levels of reactive oxygen species decreased significantly in Group 1B, whereas there were significant increases in glutathione levels and expression of the antioxidant genes superoxide dismutase 1 and peroxiredoxin 5 in this group. After parthenogenetic activation, although the cleavage rate did not differ between the control and 1B groups, the blastocyst formation rate was higher in the latter. Moreover, the total number of cells per blastocyst and relative mRNA levels of pluripotency marker and antioxidant genes were significantly higher in the 1B compared with control group. These results demonstrate that β-cryptoxanthin decreases oxidative stress in porcine oocytes and improves their quality and developmental potential.
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Effects of DNA damage and short-term spindle disruption on oocyte meiotic maturation. Histochem Cell Biol 2014; 142:185-94. [DOI: 10.1007/s00418-014-1182-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/06/2014] [Indexed: 01/19/2023]
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Xiong X, Li J, Wang L, Zhong J, Zi X, Wang Y. Low
O
xygen
T
ension and
R
elative
D
efined
C
ulture
M
edium with 3, 4‐
D
ihydroxyflavone are
B
eneficial for
Y
ak–
B
ovine
I
nterspecies
S
omatic
C
ell
N
uclear
T
ransfer
E
mbryo. Reprod Domest Anim 2013; 49:126-33. [DOI: 10.1111/rda.12240] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2013] [Accepted: 08/22/2013] [Indexed: 12/01/2022]
Affiliation(s)
- X Xiong
- College of Life Science and Technology Southwest University for Nationalities Chengdu Sichuan China
| | - J Li
- College of Life Science and Technology Southwest University for Nationalities Chengdu Sichuan China
| | - L Wang
- College of Veterinary Medicine Northwest A&F University Yangling Shaanxi China
| | - J Zhong
- College of Life Science and Technology Southwest University for Nationalities Chengdu Sichuan China
| | - X Zi
- College of Life Science and Technology Southwest University for Nationalities Chengdu Sichuan China
| | - Y Wang
- College of Life Science and Technology Southwest University for Nationalities Chengdu Sichuan China
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Agung B, Otoi T, Fuchimoto DI, Senbon S, Onishi A, Nagai T. In vitro fertilization and development of porcine oocytes matured in follicular fluid. J Reprod Dev 2013; 59:103-6. [PMID: 23428620 PMCID: PMC3934192 DOI: 10.1262/jrd.2011-050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
This study was conducted to assess the fertilization and development of porcine oocytes
matured in a solo follicular fluid (pFF) using different in vitro culture
systems and insemination periods. Cumulus-oocyte complexes (COCs), follicular cells (FCs),
and pFF were collected from the follicles of ovaries. The pFF was used as a maturation
medium (MpFF) after supplementation with follicle stimulating hormone (FSH) and
antibiotics. The COCs were matured in a 15 ml test tube containing 3.5 ml of MpFF with FCs
(5.2 × 106 cells/ml; rotating culture system) or 2 ml of MpFF without FCs in a
35-mm petri dish (static culture system) for 44 to 48 h. After maturation culture, oocytes
were co-incubated with frozen-thawed spermatozoa for 5 h and then cultured for 7 days. The
total mean rates of sperm penetration, normal fertilization, male pronucleus (MPN)
formation, cleavage, and development to the blastocyst stage of oocytes after insemination
were significantly higher (P<0.01) in the rotating culture system than in the static
culture system. In conclusion, compared with the static culture system, the rotating
culture system is adequate for the production of developmentally competent porcine oocytes
when MpFF is used as a maturation medium.
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Affiliation(s)
- Budiyanto Agung
- NARO Institute of Livestock and Grassland Science, Ibaraki 305-0901, Japan
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Abdel-Ghani MA, Shimizu T, Asano T, Suzuki H. In vitro maturation of canine oocytes co-cultured with bovine and canine granulosa cell monolayers. Theriogenology 2012; 77:347-55. [DOI: 10.1016/j.theriogenology.2011.08.007] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2010] [Revised: 07/21/2011] [Accepted: 08/03/2011] [Indexed: 11/30/2022]
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Developmental competence of porcine oocytes after in vitro maturation and in vitro culture under different oxygen concentrations. ZYGOTE 2011; 20:1-8. [DOI: 10.1017/s0967199411000426] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
SummaryIn this study, we investigated the effect of two oxygen concentrations (5 and 20%) during in vitro maturation (IVM) and during in vitro culture (IVC) on porcine embryo development and analysed differences in gene expression between cumulus–oocyte complexes matured under 5 or 20% oxygen and the resulting blastocysts cultured under 5% or 20% oxygen following parthenogenetic activation. There was no significant difference in oocyte maturation rate. However, the numbers of resulting blastocysts were significantly increased in the 5% IVC group compared with the 20% IVC group. Moreover, the M20C5 treatment group (23.01%) supported greater blastocyst development compared with the M5C5 (14.32%), M5C20 (10.30%), and M20C20 (17.88%) groups. However, total cell numbers were not significantly different among groups. According to mRNA abundance data of multiple genes, each treatment altered the expression of genes in different patterns. GLUT1, G6PD and LDHA were up-regulated in cumulus cells that had been matured in low oxygen, suggesting a higher glucose uptake and an increase in anaerobic glycolysis, whereas cyclin B1 (CCNB) and MnSOD (Mn-superoxide dismutase) were upregulated in cumulus cells that had been matured in high oxygen, which suggests a higher activity of mitosis-promoting factor and antioxidant response. In spite of these differential effects on cumulus cells, oocytes could mature normally regardless of different oxygen concentrations. Therefore, it can be concluded that high oxygen concentration during in vitro maturation and low oxygen during in vitro culture may alter the expression of multiple genes related to oocyte competence and significantly improves embryo development (p < 0.05) but not blastocyst quality.
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KOIKE T, MATSUURA K, NARUSE K, FUNAHASHI H. In-vitro culture with a tilting device in chemically defined media during meiotic maturation and early development improves the quality of blastocysts derived from in-vitro matured and fertilized porcine oocytes. J Reprod Dev 2010; 56:552-7. [PMID: 20562523 DOI: 10.1262/jrd.10-041h] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Under physiological conditions, mammalian oocytes and embryos appear to be stimulated not only chemically but also mechanically, such as by compression, shear stress and/or friction force in the follicle and female reproductive tract. The present study was undertaken to examine the effects of kinetic culture with a tilting device in chemically defined media during in vitro maturation (IVM) of porcine oocytes and in vitro culture (IVC) following in vitro fertilization (IVF) on the early developmental competence and quality of blastocysts. After culture in a chemically defined IVM medium, modified porcine oocyte medium (mPOM) containing gonadotropins and dibutyryl cAMP for 20 h, the mean diameter of the cumulus-oocyte complexes (COCs) was larger in the tilting culture than in the static controls, whereas the diameter of the oocytes did not differ. When culture of the COCs was continued additionally in a fresh medium without gonadotropins and dibutyryl cAMP for 24 h, the incidences of oocytes completing GVBD and developing to the metaphase-II stage did not differ between the tilting and static culture systems. Furthermore, the sperm penetration after IVF and developmental competence of the oocytes to the blastocyst stage were not different between the tilting and static systems during IVM and IVC. However, tilting culture during both IVM and IVC had a significant positive effect on the number of cells per blastocyst (P<0.05). These observations indicate that tilting culture during IVM and IVC in chemically defined media improves the quality of blastocyst, as determined by the number of cells per blastocyst, without any effects on penetrability and developmental competence.
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Affiliation(s)
- Takayuki KOIKE
- Department of Animal Science, Graduate School of Natural Science and Technology, Okayama University, Japan
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