immature oocytes
The use of immature oocytes in the fertility preservation of cancer patients: current promises and challenges
... an immature oocyte ar- rested in prophase of meiosis-I varies in its internal state ...GV oocytes also contain microtubules, but they are ones characteristic of cells in pre-M phase ...stage oocytes ...
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Immature oocytes grow during in vitro maturation culture
... study, oocytes from patients with PCO were retrieved laparoscopically from antral follicles ~10mm diameter or less, whilst oocytes donated by patients undergoing ICSI were retrieved transvaginally from ...
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An efficiency comparison of different in vitro fertilization methods: IVF, ICSI, and PICSI for embryo development to the blastocyst stage from vitrified porcine immature oocytes
... fresh oocytes [28 – 30], which are mainly ascribed to an inadequate sperm selection, resulting in sperm chromatin decondensation failures and sex chromosome abnormalities [23, ...fresh oocytes have ...
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Immature Oocytes in “Apparent Empty Follicle Syndrome”: A Case Report
... no oocytes are obtained after an apparently successful ovarian ...which immature oocytes were identified after filtration of follicular ...of immature follicles, where germinal vesicle-stage ...
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Maturation capacity, morphology and morphometric assessment of human immature oocytes after vitrification and in-vitro maturation
... Immature oocytes were frozen using a modified vitrification method reported by Al-Hasani et al (2007) ...Initially, immature oocytes were placed in an equilibration solution containing ...
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Effect of hCG priming on embryonic development of immature oocytes collected from unstimulated women with polycystic ovarian syndrome
... of oocytes using IVF ...of oocytes in women with ...IVM oocytes from unstimulated women with PCOS can improve embryonic developmental competence and yield respective favorable clinical ...
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X-RAY INDUCTION OF 2;3 TRANSLOCATIONS IN MATURE AND IMMATURE OOCYTES OF DROSOPHILA MELANOGASTER
... Since our experiments have shown that in stage-I4 (late prophase I and possibly meta- phase I) oocytes translocations can be readily induced, it is likely that translo- cations[r] ...
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Effect of Embryo Holding on Bovine Oocyte Maturation outside the Incubator
... the oocytes maturation with the control group after ...of oocytes that were blocked in the first stage, progressed to metaphase II and had no difference from the control ...storing oocytes before ...
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The effects of factors influencing human oocyte maturation upon fertilization and preimplantation embryo development
... Immature oocytes were either collected from unstimulated patients with polycystic ovaries PCO during gynaecological surgery, or were donated by patients undergoing a cycle of intracytopl[r] ...
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Clinical benefit of metaphase I oocytes
... of oocytes at retrieval might be a result of low ovarian response to gonadotrophin ...mature oocytes as cut-off limit, while De Sutter et ...6 oocytes retrieved, respectively, as low responding ...
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Developmental potential of human oocytes matured in vitro followed by vitrification and activation
... the oocytes were likely to be healthier than those from the present cohort of diseased patients in this ...the immature oocytes isolated during routine ovarian tissue cryopreservation for oncology ...
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State of the art of slow freezing and vitrification of immature, mature Oocytes and embryonic stages
... factor. Immature oocytes are highly sensitive to low temperatures, which increases ice crystal formation risk (Saragusty and Arav, 2011; Brambillasca et ...previously, oocytes at the GV stage have ...
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Oocyte Maturity in Relation to Woman's Age in In Vitro Fertilization Cycles Stimulated by Single Regimen
... covered oocytes are immature ones which have poor fertilization capacity; howev- er, the precise influencing factors are largely ...of oocytes was performed 35-36 hours ...retrieved oocytes, ...
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The effects of LIF and EGF on mouse oocyte maturation fertilization and development in vitro
... of immature oocytes treated with 50 ng/ml of LIF could increase during preantral to antral follicle transition but they did not find any significant difference between the maturation rate of MII ...
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Embryological Aspects of Oocyte In Vitro Maturation
... mature oocytes was 62.5% per cycle, while immature cumulus oocyte complex (COC) was collected in 74/80 ...of immature oocytes is high in spite of mature oocytes (MII) or when GV and MI ...
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Supplementation of L-carnitine during in vitro maturation of mouse oocytes affects expression of genes involved in oocyte and embryo competence: An experimental study
... BCB+ oocytes during oocyte maturation to LC ...of immature oocytes can increase Dppa2 mRNA level, it can be concluded that improved maturation rate of oocytes and increased expression of Dppa2 ...
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Impact of environmental radiation on the health and reproductive status of fish from Chernobyl
... gonads containing only immature oocytes in Cooling Pond H and Yanovsky H lake p 0.05 except for fish from Glubokoye H 15... The percentage of immature oocytes was positively correlated [r] ...
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Effect of Cumulus Cells on the Efficiency of Vitrified Thawed Immature Cattle Oocytes
... of immature oocytes with cumulus cells and without cumulus cells were exposed to the vitrification solution in a two-step manner (which was used to improve the cleavage rate and the developmental competence ...
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Vitrification of in vitro matured oocytes collected from antral follicles at the time of ovarian tissue cryopreservation
... the immature oocytes within the antral follicles that do not survive the ...These oocytes could however be recovered and subjected to in vitro matura- tion (IVM) ...
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An efficient and reproducible Agrobacterium-mediated transformation method for hexaploid wheat (Triticum aestivum L.)
... For any transformation method the procedure can be easily split into two component phases: those that enable efficient T-DNA transfer and incorporation into the plant genome and those that allow the selection of ...
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