metaphase II (MII)
Delaying the oocyte maturation trigger by one day leads to a higher metaphase II oocyte yield in IVF/ICSI: a randomised controlled trial
... The results of the trial were processed anonymously by a single observer (FV). The number of metaphase II oocytes (MII) was our primary outcome variable. Sec- ondary variables that demonstrate the ...
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No effect of exogenous melatonin on development of cryopreserved metaphase II oocytes in mouse
... Melatonin (N-acetyl-5-methoxytryptamine), a deriva- tive of tryptophan mainly produced in the pineal gland of vertebrates [20, 21], is a potent free radical scavenger and antioxidant [22, 23]. Melatonin and its ...
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Efficiency of metaphase II oocytes following minimal/mild ovarian stimulation in vitro fertilization
... Minimal and mild ovarian stimulation IVF usually refers to the use of low-dose gonadotropins with or without a sequential administration of clomiphene citrate [4–7]. Minimal/mild ovarian stimulation usually yields a ...
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The 2 cell block occurring during development of outbred mouse embryos is rescued by cytoplasmic factors present in inbred metaphase II oocytes
... the metaphase II (MII) oocyte is genetically programmed to express, during the very early stages of development, some factor(s) required to determine developmental competence beyond the 2- cell ...
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Calmodulin dependent protein kinase gamma 3 (CamKIIγ3) mediates the cell cycle resumption of metaphase II eggs in mouse
... Fig. 3. CamKII MO inhibits exit from metaphase II arrest. (A) Percentage meiotic resumption from metII arrest, as measured by second polar body (PB2) extrusion and pronucleus (PN) formation in in vitro ...
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How eggs arrest at metaphase II: MPF stabilisation plus APC/C inhibition equals Cytostatic Factor
... and MII (Fig ...at metaphase, in frog this constitutes B1, B2, B4 and B5, while in mam- mals B1 and B2 ...Met II arrest, whereas B2 is non-essential and in all of this review, the use of cyclin B in ...
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Full term mouse development by abolishing Zn2+ dependent metaphase II arrest without Ca2+ release
... When mII oocytes were injected with complementary RNA (cRNA) encoding Emi2-mCherry and challenged 4 hours later with either sperm or SrCl 2 , Emi2 degradation was rapid; sperm induced a ...
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Spontaneous antral follicle formation and metaphase II oocyte from a non-stimulated prepubertal ovarian tissue xenotransplant
... success in survival and development of frozen-thawed preantral follicles from prepubescent patients after xeno- transplantation in SCID mice and exogenous hormone stimulation. The result of finding a Met II oocyte ...
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Clinical benefit of metaphase I oocytes
... the metaphase II (MII) stage within a few hours of in vitro ...matured MII oocytes are used for ...of MII oocytes are retrieved, the use of in vitro matured MI oocytes may be worthwhile ...
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Using Fresh and Frozen Testicular Sperm Samples in Couples Undergoing ICSI-Micro TESE Treatment
... We used fresh and frozen thawed micro surgical testicular sperm extraction (micro TESE) sperm for ICSI with metaphase II (MII) oocytes.. Results: Frozen microTESE sperm was used in 39[r] ...
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Resolving RAD51C function in late stages of homologous recombination
... to metaphase I, they displayed a number of abnormal features at metaphase ...after metaphase I supports the notion that RAD51C plays a role during late stages of mei- otic ...at metaphase I, ...
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Autosomal Trisomy and Triploidy Are Corrected During Female Meiosis in Caenorhabditis elegans
... the metaphase I plates of their meiotic embryos (n = 76) (Figure 1, C and ...and metaphase I embryos with six bivalents and six univalents as previously reported by Madl and Herman ...at metaphase ...
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ROLE OF FIBRILLIN 3 ON FERTILIZATION CAPACITY OF INFERTILE WOMEN IN ICSI CYCLE
... Background: The growth and maturation of the oocyte and follicle are influenced by many paracrine and growth factors like fibrillin-3 hormone. However, there is lack of understanding its function and how interact in IVF ...
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Reproductive_System.ppt
... secondary oocyte and the first polar body (when the follicle ruptures, ovulation is... Meiosis II : The secondary oocyte is frozen at metaphase II and will only continue the division [r] ...
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Preliminary Results of DHEA in Poor Responders in IVF
... oocytes, metaphase II oocytes, ferti- lized oocytes, cleavage embryos, blastocysts, number and day of embryos transferred or frozen, estradiol level on day 6 of stimulation, total dose of gonadotrophins ...
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The Genotoxic Effect of Coal Fly Ash of Thermal Power Plant on Raphanus sativus L. ( Radish )
... Metal induced chromosomal stickiness has been reported to interfere with cell division [17], [18], reported the interference of Pb with cell division in grass pea. Pb was also found to inhibit root growth and cell ...
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“Genotoxic and Cytotoxic Effects of Different Xanthone Extracts of Swertia Species in Pisum sativum” by Aruna Shahaji Nangare, Vijay Damodhar Mendhulkar, India.
... in metaphase; induction of chromosomal aberrations, numerical and structural, ranging from chromosomal fragmentation to the disorganization of the mitotic spindle, and consequently of all subsequent dependent ...
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COMPARISON OF THE EFFECTIVENESS OF LONG AGONIST OVER THE ANTAGONIST CONTROLLED OVARIAN HYPER STIMULATION PROTOCOLS IN IN VITRO FERTILIZATION
... The goal of COH is to obtain a greater numbers of mature follicles by suppressing the premature LH surge. The main side effects of GnRH agonist long protocol include longer treatment duration; more ampoules of ...
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Moderate Hyperthermia Induces Apoptosis in Metaphase Arrested Cells But Not in Interphase Hela Cells
... Apoptosis is also involved in the mechanism of cell killing in cancer chemotherapy and radiotherapy [1] [7]-[11]. In particular, it plays a role in therapies using hyperthermia and spindle poisons. A number of studies ...
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SIT1 is a betaine/proline transporter that is activated in mouse eggs after fertilization and functions until the 2 cell stage
... and MII oocytes at ~15 hours post- ...hours. MII oocytes and 1- through 8-cell embryos were removed from excised oviducts by flushing with HEPES-KSOM (containing 300 μ g/ml hyaluronidase for MII ...
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