Comment:A range of news and publications in this release. Several articles on the role pf progesterone on sperm capacitation. Plus links to articles on surrogacy, smoking and cryopreservation.
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Treating women under 36 years old without top-quality embryos on day 2: a prospective study comparin
CONCLUSIONS These findings show the value of extended embryo culture for couples without TQE. In such situations, delaying embryo transfer in order to select a single blastocyst with the highest potential for implantation can reduce the number of mul
Current progress in oocyte and embryo cryopreservation by slow freezing and vitrification - Saragust
Preservation of female genetics is currently done primarily by means of oocyte and embryo cryopreservation. The field has seen much progress during its four-decade history, progress driven predominantly by research in humans, cows, and mice.
In vitro production of functional sperm in cultured neonatal mouse testes : Nature : Nature Publishi
Spermatogenesis is one of the most complex and longest processes of sequential cell proliferation and differentiation in the body, taking more than a month from spermatogonial stem cells, through meiosis, to sperm formation1, 2.
The CatSper channel mediates progesterone-induced Ca2 influx in human sperm : Nature : Nature Publi
In the oviduct, cumulus cells that surround the oocyte release progesterone. In human sperm, progesterone stimulates a Ca2 increase by a non-genomic mechanism1, 2, 3. The Ca2 signal has been proposed to control chemotaxis, hyperactivation and acros
Progesterone activates the principal Ca2 channel of human sperm : Nature : Nature Publishing Group
Steroid hormone progesterone released by cumulus cells surrounding the egg is a potent stimulator of human spermatozoa. It attracts spermatozoa towards the egg and helps them penetrate the egg’s protective vestment
Embryo aneuploidy and the role of morphological and genetic screening
This paper considers two possible methods for the identification of embryos with the correct number of chromosomes: morphological analysis (evaluation of the appearance of the embryo under the microscope) and preimplantation genetic screening (a meth
BioNews - Australia leads the way, but does it fall over at the last hurdle?
On Thursday 10 February 2011, the Australian Senate's Legal and Constitutional Affairs Committee tabled its report in Parliament on its inquiry into donor conception practices in Australia (1). This was a landmark moment because it represented the wo
BioNews - Egg cells send out chemical signals to entice sperm, suggests study
Progesterone released from an egg may help guide sperm towards it and assist sperm to penetrate the egg's protective layers, according two studies published in Nature. The discovery could potentially help in the development of non-hormonal contracept
More than 10 per cent of couples worldwide are infertile, and some of them turn to in vitro fertilisation or IVF, in the hope of having a baby. But it can be a difficult and heartbreaking process for many couples and there's no guarantee of success,
Frankenstein syndrome: Why do we fear making humans?
WHEN Ignacio Carrasco de Paula, the Vatican spokesman for bioethics, objected to IVF pioneer Robert Edwards receiving the 2010 Nobel prize for medicine, he stressed that he was speaking in a personal capacity.
This image of an early-stage tumour nodule (shown green) in the lung of a sheep may throw new light on the disease that killed the most famous of sheep of modern times, Dolly.
In-line filter for cylinder and house gasses
O2, N2, CO2, and tri-gas. Aire~LifeLine provides in-line air filtration with top of the line protection, delivering a better and more consistent yield of cylinder and house gasses for a wide range of med
Vit Kit - Warm NX is an adaptable, cost-effective system for use in the thawing of oocytes, pronuclear zygotes, cleavage stage embryos, and blastocyst stage embryos. Unlike many vitrification kits that feature a mono-buffered system and M199 base med
Vit Kit - Freeze NX is an adaptable, cost-effective system for use in the vitrification of oocytes, pronuclear zygotes, cleavage stage embryos, and blastocyst stage embryos. Vit Kit - Freeze NX is the latest advancement in vitrification media aimed t
S-Cryolock is the slimmer version of the original. It is a versatile, simple and efficient vitrification device that is intended for the holding, cryopreservation and storage of oocytes or embryos in liquid nitrogen.
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