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Embryos in Medical News

DNA Fingerprinting Could ID Viable Embryos

Finding may lead to improved pregnancy rates for in vitro patients, fewer multiple pregnancies TUESDAY, May 13 (HealthDay News) -- Researchers say DNA tests may be able to tell doctors which embryos tabbed for in vitro fertilization (IVF) are most likely to result in the births of heal...

Microbiotic technology developed for microinjection of zebrafish embryos

Funded by an NSERC Idea to Innovations grant and an Ontario Early Researcher Award, Prof. Yu Suns group, the Advanced Micro and Nanosystems Laboratory ( http://amnl.mie.utoronto.ca ) at the University of Toronto (U of T) recently developed a microrobotic technology for automated microinjection of ...

60% of Infertile Couples are Okay With Allowing Unused Embryos for Stem Cell Research

DURHAM- A survey conducted amongst a thousand patients who have undergone fertility treatments using frozen embryos, has revealed that more than half of them are willing to allow the use of unused embryos for stem cell research. This was revealed during a study led by researchers at Duke Universit...

Many Couples Choose to Donate Surplus Embryos for Stem Cell Research

Nearly 50% of couples who were interviewed at least 3 years after undergoing in vitro fertilization (IVF) chose to donate their surplus, stored embryos for stem cell// research, according to a report. The key to the couples’ decisions, according to the authors of the report, was the complete an...

Cannibalistic Signals Help Mammalian Embryos Develop Normally

A process called autophagy spurs dying embryonic stem cells to send cannibalistic signals to have their corpses purged, a last gasp that paves the way for normal mammalian// development. Autophagy is the way cells devour their own unwanted or damaged parts. It was known to be active in cell d...

First Embryos in UK Screened for Disease

Twins Freddie and Thomas Greenstreet were born two weeks ago to parents Catherine and Jim following a test, pre-implantation genetic haplotyping that screens for genetic// diseases. The Greenstreets already have a daughter affected by cystic fibrosis (CF). Pre-implantation genetic haplotypin...

Pre-implantation Genetic Haplotyping- A Test to Sift Unhealthy Embryos Records Success

London: Embryonic testing based on the ‘survival of the fittest’ theory, which helps in detecting unhealthy embryos, with a motive to nurture// the healthy ones, has borne fruit. Now, babies have been born to a British Couple, the first in UK, after successfully employing this method of embryonic t...

Frozen embryos stored in Britain

About 117,619 frozen embryos are stored in Britain. They are living balls of human cells suspended in liquid nitrogen at sub-zero temperatures, waiting for their lives to begin again. // Lois Walker was one among them and was conceived in October 1997, but was born in April 2000. Her gestation...

Successful creation of human embryos from a single parent for the first time

Parthenogenesis refers to reproduction by the development of an unfertilized egg or development of eggs from females without fertilization by spermatozoa. Sounds interesting right? Hang// On! This is not all. Scientists have been successful in creating so-called parthenotes, early-stage embryos t...

Cloning of human embryos for stem cells made possible

Korean scientists have been able to clone human embryos for creating stem cells that may be used to help //patients with diseases or injury. The newly created stem cell lines are an exact match with the patients’ DNA and immune systems. . This research have provided new insight into using st...

Organs made from cloned embryos

Using building material from cloned cow embryos, scientists say they have constructed miniature kidneys that appear to function similar to genuine organs. Embryos contain master cells called stem cells that have the potential to grow into any tissue in the body.// In this case, they grew the embryo...

Miscarriage linked to late embryos

The later a fertilised egg implants in a woman's uterus, the more likely she is to have a miscarriage, new research has found.The report in the latest New England Journal of Medicine details the most precise information the timing of implantation - the true start of pregnancy - influences its succe...

UK Scientists Plan To Create Human-Cow Embryos

One of the most promising areas of medical science research today is the stem cell research. // The hot news of today is that Researchers from Newcastle University and Kings College, London, have asked permission and three-year licence from the Human Fertilisation and Embryology Authority to c...

New Technique Developed By Scientists For Producing Stem Cells without Damaging Embryos

Scientists in the US have claimed today that they have developed a new way to create embryonic stem cells without destroying embryos.// The scientists had also expressed their opinion that they hope that this development could create the way for the approval of stem cell research as the key i...

Unlocking the key to human fertility

...onally, for example, with horses and donkeys, offspring are produced - but because the sperm and egg signatures are incompatible, their development as embryos is abnormal and any offspring are almost always infertile. The research team believes that the same mechanism must also have played a role during ...

UB start-up provides innovative digital sperm analysis to infertile couples worldwide

... the partner's sperm injected into the egg -- called intracytoplasmic sperm injection. Knowing the true sperm potential, they may choose to use donor embryos or adopt." The LifeCell Dx service is available in Buffalo and in Boston, Mass., where the first affiliated clinical laboratory is located. Fou...

Scientists Use Non-Embryonic Stem Cells to Create Healthy Mice

...e iPS cell lines into mouse embryonic material, a complex technique known as "tetraploid complementation" (TC). They then transferred the resulting embryos into female mice. According to the team, TC injection with cells from three iPS lines (out of the six lines available) successfully resulted in the...

Scientists Use Adult Stem Cells to Create Healthy Mice

...e iPS cell lines into mouse embryonic material, a complex technique known as "tetraploid complementation" (TC). They then transferred the resulting embryos into female mice. According to the team, TC injection with cells from three iPS lines (out of the six lines available) successfully resulted in the...

Cell Discovery May Bring Science Closer to Diabetes Cure

...e pancreas or part of the biliary system, and researchers say this finding could help efforts to find a cure for type 1 diabetes. Research in mouse embryos found that the Sox17 gene "acts like a toggle or binary switch that sets off a cascade of genetic events," the study's senior investigator, James Well...

Studies shed light on preserving fertility among cancer patients

... most common health problems in men and women and a common cause of birth defects. While continued progress in developing germ cells capable of making embryos renders fertility restoration feasible, it also raises significant ethical questions, says Dr. Reijo Pera. ...

New e.p.t.(R)/BabyCenter(R) Fertility Report Reveals 70 Percent of Moms Want Tighter Regulation on In-Vitro Fertilization

...yed believed in these superstitions). The BabyCenter ((R)) moms and moms-to-be also agree (70 percent) that even if they could, they would not select embryos with pre-determined physical features. Other major findings from the e.p.t((R)) /BabyCenter ((R)) Fertility Report show: One ...

Stem Cell Decision Opens New Doors, May Spur More Research

...t were eligible under President Bush only included embryos from people who were genetically normal," he said....l from a really early embryo to let you know which embryos are fine, and which carries two copies, in this ca... While it's been possible to make lines from those embryos prior to this decision, they weren't eligible for ...

Human sperm created from embryonic stem cells

...d cannot be used for fertility treatment. As well as being prohibited by UK law, the research team say fertilization of human eggs and implantation of embryos would hold no scientific merit for them as they want to study the process as a model for research. "While we can understand that some people may ha...

Cardinal Rigali Criticizes Final NIH Guidelines for Destructive Stem Cell Research

...owed to insert human embryonic stem cells into the embryos of animal species other than primates; federal gra...even to researchers who themselves destroyed human embryos to obtain the stem cells for their research. Exist...ederal law against funding research in which human embryos are harmed or destroyed is not given due respect h...

Final Rules Broaden Pool for Stem Cell Research

...ed in research were obtained from fertility clinic embryos that otherwise would have been discarded. Also, th...est, The New York Times reported, is whether the embryos used to create the older stem cell lines were crea...ncing for research on stem cell lines derived from embryos created solely for research. In March, Preside...

STEM CELLS Promotes Miodrag Stojkovic to Editor

...atory in Valencia, Spain. He led the team that first announced derivation of pluripotent human embryonic stem cells (hESC) from non-viable early human embryos that had stopped their cleavage. First published in STEM CELLS, this technique and stem cells derived with it are now being used to better understand ...

Reduced ovarian reserve associated with increased risk of trisomic pregnancy

...erve, simply because there are fewer eggs and thus embryos to choose from. The proportion of normal and abnormal embryos may be the same in women with normal and diminishe...d ovarian reserve, but if you only have one or two embryos available (instead of, say, six or eight) the chan...

Clues to Muscular Dystrophy Seen in Womb

... Focusing on key proteins, University of Birmingham researchers detected disrupted stem-cell function and delays of skeletal-muscle formation in the embryos of specially bred mice. The scientists found a close relationship between the severity of abnormalities and the severity of later symptoms seen in two...

BioArts International Clones 9-11 Hero Dog - Owner to Receive Five Cloned Puppies June 17 in Los Angeles

...eplaced the genes in eggs from unrelated dogs with genes from Trakr, stimulated the resulting "couplets" to develop into embryos, then transferred the embryos to dogs who served as surrogate mothers. After normal pregnancies, they gave birth to puppies that are genetically identical to Trakr, the first of w...

Chicago-area Infertility Specialist Richard Sherbahn, MD, Reports a Woman's Age Affects Her Chances of Successful Pregnancy from Egg Donation

...recipient and donor ages, as well as the number of embryos transferred and the rates of implantation, clinica...roups' average donor ages or the average number of embryos transferred. However, the study showed that recipi...;We went through one IVF cycle. They implanted two embryos -- and I'm 11 weeks pregnant! I've never made it t...

Pig Stem Cells Created

...nd ectoderm -- a characteristic of all embryonic stem cells. The discovery will make it easier for researchers to develop embryonic stem cells from embryos of pigs and other hooved animals, known as ungulates, according to the study. Although treatments in humans are several years away or more, Xiao sa...

World first: Chinese scientists create pig stem cells

...]. Dr Lei Xiao, who led the research, said: "To date, many efforts have been made to establish ungulate pluripotent embryonic stem cells from early embryos without success. This is the first report in the world of the creation of domesticated ungulate pluripotent stem cells. Therefore, it is entirely new,...

More Assisted Reproduction, But Fewer Multiple Births

... Technology use growing worldwide, but not as many embryos being transferred, research shows THUR...dle East. Even with a decrease in the number of embryos transferred, pregnancy and delivery rates have inc...irths. The percentage of transfers of four or more embryos decreased from 15.4 percent in 2000 to 13.7 percen...

USCCB Submits Comments to NIH on Proposed Guidelines for Stem Cell Research

...es in stem cell research that do not destroy human embryos WASHINGTON, May 22 /PRNewswire-USNewswire/ --...t Clinton. This group concluded that because human embryos deserve "respect" as a form of human life, destroy... preventing researchers from destroying live human embryos for federally funded research. "Yet President...

Stem cell transplant in mouse embryo yields heart protection in adulthood

...ore it occurs. A new study that delivered embryonic stem cells to mouse embryos in the earliest stages of development found that the resulting mice demonst.... Led by Dr. Andre Terzic of the Mayo Clinic, researchers injected mouse embryos with embryonic stem cells that had been used to successfully treat ischemic...

Chicago-area Infertility Specialist Richard Sherbahn, MD, Reports a Woman's Body Mass Index Affects Her Success in Infertility Treatment

...Control and Prevention.) IVF patients who had four or more good-quality embryos three days after fertilization had their embryos cultured in the lab for uterine transfer on day five . The researchers com...

Cardinal Rigali Criticizes Draft NIH Guidelines for Destructive Stem Cell Research

...n 2000. However, the Clinton policy was limited to embryos that had been frozen, to ensure that parents had t...e broader in allowing destruction of newly created embryos that were never frozen, increasing the prospects f...ers' constant claim that this agenda involves only embryos that "would otherwise be discarded," the guideline...

NIH May Ease Some, But Not All, Stem Cell Restrictions

...gency says cells should come from fertility clinic embryos that otherwise would be discarded FRID...cell research must use cells from fertility clinic embryos that otherwise would be discarded, the National In...al research -- such as using stem cells taken from embryos created for science -- in favor of a limit with br...

CAMR Statement Regarding NIH Draft Guidelines for Embryonic Stem Cell Research

... remove restrictions on embryonic stem cell research. While many sources of embryos provide great promise, today's draft guidelines that would allow federal funding for research using excess embryos from the in vitro fertilization process bring us just that much closer to r...

Molecule prompts damaged heart cells to repair themselves after a heart attack

... vessel growth after a heart attack, researchers at UT Southwestern Medical Center have found. The molecule, Thymosin beta-4 (TB4), is expressed by embryos during the heart's development and encourages migration of heart cells. The new findings in mice suggest that introducing TB4 systemically after a hea...
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