Sentences with phrase «of embryonic stem cells by»

The major discovery of embryonic stem cells by Martin Evans in 1981 has indeed been recognized by a Lasker and other awards.

Cardiac differentiation of embryonic stem cells by substrate immobilization of insulin - like growth factor binding protein 4 with elastin - like polypeptides.

The isolation of embryonic stem cells by Dr. James Thomson in 1998 put the issue of stem cell research on the map.

Not exact matches

One can not help but be intrigued by the implications of the fact that these adult stem cells can be induced to «reprogram» themselves back to their beginning — all the way back to their embryonic beginning.

While the entity generated by deleting or disabling early embryonic genes would produce only an unorganized collection of stem cells, it would do so after a period of what appears to be relatively normal development.

Attempts have been made to bridge this divide by proposing alternative sources of embryonic stem cells for research and therapeutic purposes.

Embryonic stem cells are produced during development by the same process of epigenetic programming that later will produce adult cells such as skin and brain.

Such a single - step conversion of an adult cell into an embryonic stem cell entirely avoids the question of whether an embryo has been created, since the cell produced by ANT - OAR never exhibits any of the properties of a single - cell embryo.

Let us be thankful that a tool for discrediting the pro-life movement (shaming us for opposing magical cures promised by embryonic stem - cell research) has itself been taken out of their hands.

Sullivan went on to suggest that Chaput is using a double standard in the 2008 election by criticizing Catholic supporters of Barack Obama, while turning a blind eye to John McCain's support for embryonic stem cell research.

In our day it has been thrust into the realm of immediate urgency by advances in embryonic stem cell and cloning technologies.

This question has been the topic of considerable legal and social debate over the years since the Supreme Court's Roe v. Wade decision» debate that has only been intensified by the recent controversies over human embryonic stem cells and human....

He decreed that the case brought by researchers Drs James Sherley and Theresa Deisher, along with a number of Christian groups including the Christian Medical Association, should be heard; and ordered an injunction temporarily blocking federal funding allocated for human - embryonic - stem - cell research.

Embryonic stem cell research has the potential to save millions of lives, but this is being prevented by religious radicals and therefore religion is detrimental to the preservation of life.

One of the best talks of this conference was given by Dr. Renee Reijo Pera, Professor and Director of the Center for Human Embryonic Stem Cell Research at Stanford University.

Furthermore, by making use of embryonic stem cells and in vitro differentiation, SIF - seq can be used to assess enhancer activity in a wide variety of disease - relevant cell types.»

Some scientists had claimed that the lymphatic system was derived from specialized stem cells called angioblasts, whereas others had argued that it originated by the differentiation of pre-existing embryonic veins.

Faced with an often - hostile Congress, Obama enacted many of his signature policies by executive order — from reversing restrictions on research with human embryonic stem cells to helping communities prepare for climate change.

The scientists rescued the microcephaly during mouse embryonic development by removing a protein that caused the loss of stem cells.

By analysing the early steps that precede tumor formation, Alexandra Van Keymeulen and colleagues found that expression of oncogenic Pik3ca reactivates a multilineage differentiation program in adult stem cells that resembles to an immature embryonic state.

Oliver Brüstle, director of the Institute of Reconstructive Neurobiology at the University of Bonn, Germany, who had a patent on a method for generating neurons from human embryonic stem cells rejected by the court, called the ruling «the worst possible outcome», and «a disaster for Europe».

The latest findings show that genetic defects in the body's ability to manufacture carnitine might be associated with an increased risk of autism because carnitine deficiency interferes with the normal processes by which neural stem cells promote and organize embryonic and fetal brain development.

Some of the researchers at the centre will study the differentiation of stem cells into other cell types, one group by using human embryonic stem cell biology and another by studying early embryo development.

Stephen Minger, director of the Stem Cell Biology Laboratory at King's College London, UK, says he is «intrigued» by the claims but would like to see more proof of the cells» embryonic character.

They then argue that «By creating a financial incentive for embryonic stem cell research — an incentive that by NIH's own admission involves investments of «hundreds of millions of dollars» — and by specifying the precise means by which embryos must be destroyed in order to qualify for federal funding, the NIH necessarily and knowingly subjects embryos to a substantial risk of injury or death.&raquBy creating a financial incentive for embryonic stem cell research — an incentive that by NIH's own admission involves investments of «hundreds of millions of dollars» — and by specifying the precise means by which embryos must be destroyed in order to qualify for federal funding, the NIH necessarily and knowingly subjects embryos to a substantial risk of injury or death.&raquby NIH's own admission involves investments of «hundreds of millions of dollars» — and by specifying the precise means by which embryos must be destroyed in order to qualify for federal funding, the NIH necessarily and knowingly subjects embryos to a substantial risk of injury or death.&raquby specifying the precise means by which embryos must be destroyed in order to qualify for federal funding, the NIH necessarily and knowingly subjects embryos to a substantial risk of injury or death.&raquby which embryos must be destroyed in order to qualify for federal funding, the NIH necessarily and knowingly subjects embryos to a substantial risk of injury or death.»

They also showed that the cells have most of the surface «markers» considered as identifiers of embryonic stem cells and form «embryoid bodies» — characteristic clumps of cells formed by ESCs.

Then, a team led by Robert Lanza, the chief scientific officer of Advanced Cell Technology Inc. in Marlborough, Massachusetts, and his colleagues published the first results ever of a clinical trial using human embryonic stem cells.

The only previous demonstration — by researchers led by Shou - Wei Ding, PhD, a professor of Plant Pathology and Microbiology at UC Riverside and co-corresponding author of the current study — was done in embryonic stem cells and in newborn mice.

To see whether cancer stem cell renewal involves a chain of events similar to that used by embryonic stem cells, and whether the process was affected by oxygen levels, Semenza and graduate student Chuanzhao Zhang focused their studies on two human breast cancer cell lines that responded to low oxygen by ramping up production of the protein ALKBH5, which removes methyl groups from mRNAs.

In collaboration with Ding, the lab of Olivier Voinnet at the Swiss Federal Institute of Technology in Zurich also reported in an accompanying paper the detection of viral siRNAs in cultured mouse embryonic stem cells infected by the Encephalomyocarditis virus.

Studies of embryonic stem cells revealed that NANOG protein levels can be lowered by a chemical process known as methylation, which involves putting a methyl group chemical tag on a protein's messenger RNA (mRNA) precursor.

Research on embryonic stem cells funded by the U.S. government must stop immediately for a court - ordered review, Judge Royce Lamberth of the U.S. District Court for the District of Columbia ruled today.

For the purpose of additional experiments, the researchers generated myocardial cells from embryonic stem cells and human skin cells, in collaboration with the lab headed by Prof Dr Jürgen Hescheler at the University of Cologne.

Newcastle University and the NorthEast England Stem Cell Institute are aware that the research paper «Derivation of Human Sperm from Embryonic Stem Cells» by a group led by Professor Karim Nayernia has been withdrawn from the academic journal Stem Cells and Development.

The final guidelines on research with human embryonic stem cells issued on Monday by the National Institutes of Health set out criteria for determining which ES cell lines can be used in federally funded experiments and give NIH discretion to approve old lines that don't meet stringent modern ethical requirements.

Lamberth granted a preliminary injunction on this research after hearing a petition from a group of advocates who argued that, contrary to the U.S. government's view, research on embryonic stem cells does in fact destroy embryos — action that is prohibited by legislation known as the «Dickey - Wicker Amendment» to the bill that funds the Department of Health and Human Services.

The results help fill in the scientific puzzle kicked off by Dolly's cloning, which proved that mammalian egg cells were capable of dissolving the genetic roadblocks that limit the potential of most adult cells to give rise to only a single type of tissue — that of the organ from which they hail — whereas embryonic stem cells have the potential to become virtually any kind of body tissue.

In 2008 a group of medical researchers led by Robert Lanza at Advanced Cell Technology in Worcester, Massachusetts, reported another leap: They discovered a way to avoid destroying the embryo by deriving an entire stem cell line from a single embryonic cCell Technology in Worcester, Massachusetts, reported another leap: They discovered a way to avoid destroying the embryo by deriving an entire stem cell line from a single embryonic ccell line from a single embryonic cellcell.

They are easier than embryonic stem cells to come by and they match the genetic background of the person from whom they were obtained.

• A team led by Ron McKay at the National Institute of Neurological Disorders and Stroke in Bethesda, Maryland, turned mouse embryonic stem cells into isletlike cells, another step down the long road to a cure for diabetes.

Mouse embryonic stem cells, reported in 1981 by Martin Evans, Matthew Kaufman, and Gail Martin, have allowed scientists to generate genetically customized strains of mice that have revolutionized studies of organismic development and immunity and have provided countless models of human disease.

The ethics council finally issued its 20 - page report just before Christmas, voting in favor of allowing the import of human embryonic stem cells, under certain conditions, by a small majority of 15 to 9, paving the way for next week's final showdown.

The researchers confirmed Olig2's role in promoting motor neuron formation by increasing or blocking the function of Olig2 in the spinal cords of developing mouse and chicken embryos, as well as during motor neuron formation in mouse embryonic stem cells.

Scientists were even more stunned in July 2002 when researchers led by stem cell biologist Catherine Verfaillie at the University of Minnesota reported that bone marrow — derived cells they had injected into young embryos contributed to all three embryonic layers, just as embryonic stem cells would do.

Eva Mezey, a stem cell biologist at the National Institutes of Health who published one of the transdifferentiation studies and stands by the effect, notes that embryonic cells are naturally more versatile than adult stem cells.

The National Institutes of Health (NIH) pleased stem cell watchers today by announcing the names of 10 companies and research groups that have human embryonic stem cells federally funded researchers can use.

Not only do many of the ethical challenges posed by embryonic stem cells remain, but the relative ease and low cost of iPS techniques, combined with the accessibility of cells, accelerate the need to address futuristic - sounding possibilities such as creating gametes for reproduction.

This discovery by the scientists at the CRG provides an insight into stem cell - forming molecular mechanisms, and is therefore of great interest for studies on the early stages of life, during embryonic development.

This year, a team led by the Hebrew University of Jerusalem finally produced haploid human embryonic stem cells by forcing unfertilized egg cells to divide.

In his January 2008 State of the Union address, President George W. Bush claimed that research by James Thomson of the University of Wisconsin and Shinya Yamanaka of the University of Kyoto in Japan would finally end the morally and politically nettlesome debate over embryonic stem cell research.