Sentences with phrase «donor oocytes»

Removal of the nuclei in the absence of sucrose and use of zygotes from vitrified patient rather than donor oocytes were beneficial, and led to mitochondrial carryover levels below 2 % in the majority of blastocysts, and below 5 % in all of them.

Women younger than 40, those using donor oocytes and those with male partner - related infertility that was treated with either intracytoplasmic sperm injection or sperm donation achieved live birth rates after five or six cycles, taking a median two years of trying, which were similar to rates in couples who were trying to conceive and were not using any form of treatment after an average of one year.

Compared to using fresh oocytes (eggs) for in vitro fertilization, use of cryopreserved (frozen) donor oocytes in 2013 was associated with lower live birth rates, according to a study in the August 11 issue of JAMA.

Of 11,148 oocyte donation cycles, 2,227 (20 percent) involved use of cryopreserved donor oocytes.

In January 2013, the American Society for Reproductive Medicine declared the technique of oocyte cryopreservation (egg freezing) no longer experimental, although it called for «more widespread clinic - specific data on the safety and efficacy of oocyte cryopreservation... before universal donor oocyte banking can be recommended.»

Not exact matches

OAR proponents claim that when the altered donor - cell nucleus with its activated nanog gene is transferred to the enucleated oocyte (egg cell), the presence of nanog will immediately convert the enucleated egg cell to a pluripotent cell, without ever forming a zygote.

An excellent option for these women is to use an egg donor or oocyte donor.

The problem follows close on the heels of Hwang's admission that, despite his previous denials, two members of his lab had donated oocytes for his group's stem cell experiments and other donors had been paid for their donations (Science, 2 December, p. 1402).

For policy makers, revising the National Assisted Reproductive Technology Surveillance System to allow reporting of outcomes on a per - couple basis (including oocyte donors) would provide significantly more useful information for decision - making purposes.»

In their initial experiments, Hwang and his colleagues used cells from a single donor to try to create embryonic clones; they transferred nuclei from ovarian cells back into the donors» own oocytes.

Wilmut and his colleagues fuse the empty oocyte with the donor cell by bringing them together and subjecting them to an electric current.

An important further recommendation was that the patient oocytes, rather than those from the donor, should be frozen.

The chimeric oocytes (that contain the mother's nuclear DNA and the donor's mitochondria) then undergo fertilization through standard IVF methods.

Also, pESC lines, that carry isogenic genome information from the oocyte donors, can be derived and may represent a potential alternative source of stem cells for basic scientific studies as well as novel therapeutic application.

Glenview, IL About Blog Services Include: • In Vitro Fertilization (IVF) • Intracytoplasmic Sperm Injection (ICSI) • Assisted Zona Hatching (AZH) • Blastocyst Culture • Preimplantation Genetic Diagnosis (PGD) • Oocyte Vitrification • Donor Egg Services • Ovulation Induction • Intrauterine Inseminations • Donor Sperm Inseminations • Fertility Preservation for Cancer Patients • Psychological Counseling Frequency about 1 post per month.