Embryos
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Recent papers in Embryos
To compare the clinical outcomes of cryopreservation according to the indications for freezing and the outcomes of the fresh cycle from which the embryos were derived. Retrospective study. Private assisted-reproduction unit. Three... more
Several critical variables associated with successful cryopreservation of oyster embryos (Crassostrea gigas) were examined. These were 1) embryo developmental stage, 2) kind and concentration of cryoprotectant, 3) equilibration time, and... more
ContentsBovine demi-embryos were produced by micromanipulation of day 6–7 embryos from superovulated cows. Monolayers of bovine oviduct epithelial cells (BOEC) were produced from slaughterhouse material. Half of the demi-embryos were... more
Methodology was developed for quantifying the photocytotoxicity of fluoranthene to a gill cell line from rainbow trout for future use in screening polycyclic aromatic hydrocarbons for their relative photocytotoxicity to fish.... more
Porcine handmade cloning (HMC), a simplified alternative of micromanipulation based traditional cloning (TC) has been developed in multiple phases during the past years, but the final evidence of its biological value, births of piglets... more
Hybridization between the nearly extinct speciesDiplotaxis siettiana andBrassica juncea is prevented because of strong prefertilization barriers. Use of mentor pollen ofD. siettiana irradiated with 1000 Gy gamma radiation before the... more
The derivation of neural progenitor cells from human embryonic stem (ES) cells is of value both in the study of early human neurogenesis and in the creation of an unlimited source of donor cells for neural transplantation therapy. Here we... more
To investigate whether very short exposure of mature oocytes to sperm in vitro may affect the fertilization rates, embryo cleavage rates, and embryo quality between sibling oocytes in the same patient. Sibling oocytes of the same patient... more
Ectopic pregnancy consists of implantation of an embryo outside the uterine cavity. This abnormality has been known since the seventeenth century and the incidence is approximately 11-18 cases per 1,000 deliveries.Ectopic pregnancy is... more
Endogenous retinoids are potential regulators of vertebrate embryogenesis that have been implicated in early anterior-posterior patterning and limb-bud development. We have characterized the temporal and spatial distribution of... more
To determine the current practice patterns of preimplantation genetic diagnosis (PGD) in Canada related to genetic counselling, embryo biopsy, and cytogenetic and molecular analyses. An Internet survey was constructed and administered... more