Sentences with phrase «type of embryonic stem cell»

STEM CELL HOUSE — A bill lifting restrictions on a certain type of embryonic stem cell research cleared a House committee Monday on a party - line vote.
Inside the blastocyst, one type of embryonic stem cells will become the yolk sac.

Not exact matches

Embryonic stem cells are scientifically and medically interesting because they are «pluripotent» (capable of generating many cell types), but they are not the same as totipotent single - cell embryos.
However, embryonic stem cells remain the «gold standard,» and studies of all types of stem cells should continue in parallel for the foreseeable future.»
It made the front page of the New York Times, but don't let that dissuade you ¯ reports today about new ethical sources of embryonic - type stem cells are credible, and they are very good news.
Not that a principled moral objection shouldn't be enough, but, for those sitting on the fence, the additional discoveries of alternative sources of embryonic - type stem cells should be decisive.
From the embryonic stem cells, the researchers produced a type of tissue called retinal pigment epithelium (RPE).
The researchers detected this SMN long noncoding RNA, or lnc - RNA (pronounced «link RNA») for short, in human embryonic kidney cells, brain cell samples and neurons derived from the stem cells of healthy people and those with spinal muscular atrophy type I and II.
Instead, after several days, researchers harvest embryonic stem cells, which theoretically can develop into any type of cell and, according to many researchers, may someday be used to treat neurodegenerative diseases or other conditions.
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
A type of «virgin birth» stem cell could be as powerful as embryonic stem cells but without the same ethical objections, and are being tested for Parkinson ’s
Trials of cells made from human embryonic stem cells are also poised to begin in people with type 1 diabetes and heart failure, the first time embryonic stem cells have been used in the treatment of major lethal diseases.
«We've shown that SIF - seq can be used to identify enhancers active in cardiomyocytes, neural progenitor cells, and embryonic stem cells, and we think that it has the potential to be expanded for use in a much wider variety of cell types,» Dickel says.
Further ahead, he is looking to an emerging technology known as induced pluripotent stem cells (iPSCs), in which adult cells are reprogrammed to be like embryonic stem cells so they can transform into any type of cell.
Using a mathematical model known as the Ising model, invented to describe phase transitions in statistical physics, such as how a substance changes from liquid to gas, the Johns Hopkins researchers calculated the probability distribution of methylation along the genome in several different human cell types, including normal and cancerous colon, lung and liver cells, as well as brain, skin, blood and embryonic stem cells.
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.
The newly discovered human cells, named «cord - blood - derived embryonic - like stem cells» or CBEs, are not quite as primitive as embryonic stem cells, which can give rise to any tissue type of the body.
ERRORS have occurred in a type of stem cell that could be used instead of embryonic stem cells — and in tissues made from them.
Two types of stem cells were used to produce the mini-brains: embryonic cells and adult cells that had been reprogrammed to a starter state.
Semenza says methylation leads to the destruction of NANOG's mRNA so that no protein is made, which in turn causes the embryonic stem cells to abandon their stem cell state and mature into different cell types.
Although primed, post-implantation embryonic stem cells can still turn into any type of human cell, they are more difficult to work with than the pre-implantation, naive cells.
Embryonic stem cells: They can turn into any of the body's 220 different cell types, meaning they are pluripotent.
Using a nuclear protein expressed in follicle stem cells (FSCs), the researchers found that castor, which plays an important role in specifying which types of brain cells are produced during embryonic development, also helps maintain FSCs throughout the life of the animal.
Since embryonic stem cells can differentiate into any type of tissue, they have the potential to treat an almost unending array of medical conditions — replacing damaged or lost body parts or tissues, slowing degenerative diseases, even growing new organs.
In the last few years, researchers have learned how to turn embryonic stem cells into all sorts of different cell types, such as skin cells, heart
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.
«The beautiful thing,» Lanza says, «is that if you have an embryonic stem cell line that is O negative, because it's immortal you could create an unlimited amount of universal blood that would match virtually everybody, so you wouldn't have to worry about matching blood types
«Embryonic stem cells are pluripotent, meaning they have the ability to become any type of tissue,» Fuchs says.
But even more far - ranging treatments may be possible with embryonic stem cells, the blank - slate cells that give rise to all organs and tissue types and that (theoretically) can repair all forms of organic damage and disease.
Because biologists like Daley are convinced that embryonic stem cells — the most generic, versatile type — may not only lead to dramatically different new treatments but can also uniquely illuminate the origins of disease in a way adult stem cells never will.
«Use of induced pluripotent stem cell (iPSC) technology» — which involves taking skin cells from patients and reprogramming them into embryonic - like stem cells capable of turning into other specific cell types relevant for studying a particular disease — «makes it possible to model dementias that affect people later in life,» says senior study author Catherine Verfaillie of KU Leuven.
There is evidence that chronic disabilities such as spinal cord lesions, diabetes, and Parkinson?s disease, where replacement of just one cell type restores tissue function, can be treated with differentiated embryonic stem cells.
«Genetically, this type of clone is still a member of our species,» says David Prentice, a cellular biologist at Indiana State University and cofounder of Do No Harm, a group of scientists favoring alternatives to embryonic stem cell research.
The researchers discovered that this region is required to both turn Sox2 on, and for the embryonic stem cells to maintain their characteristic appearance and ability to differentiate into all the cell types of the adult organism.
This gene is also known to help human embryonic stem cells stay flexible enough to become any type of body cell, a property known as pluripotency.
The stem cells produced through this therapeutic cloning would, like other embryonic stem cells, be capable of developing into many cell types and serve as a repair system for whatever part of the body required replenishment at the time.
hESC researchers George Daley of Children's Hospital Boston and Sean Morrison of the University of Michigan told the panel why research on other types of stem cells, such as adult stem cells and so - called induced pluripotent stem cells (iPSCs), can't substitute for work on embryonic cells.
Embryonic stem (ES) cells, harvested from three - and - a-half-day-old mouse embryos or five - and - a-half-day-old human embryos, are referred to as pluripotent because they can become any of the thousands of cell types in the body.
Like embryonic stem cells, iPSC can be differentiated toward any cell type in the body, but they do not require the use of embryos.
During embryonic development, organ - specific cell types are formed from pluripotent stem cells, which can differentiate into all cell types of the human body.
Several years ago, one of the students in Verma's lab noticed that BRCA1 is very active in the neuroectoderm, a sliver of embryonic tissue containing neural stem cells that divide and differentiate into the brain's vast assortment of cell types and structures.
iPSCs are cells that have been genetically reprogrammed to an embryonic stem - cell - like state, meaning that they can differentiate into virtually any of the body's different cell types.
Studying mouse embryonic stem cells, they removed Grb2, a protein essential to the ability of the stem cell to transform into other cell types, from the cells.
To tap embryonic stem cells» therapeutic potential, researchers must learn how to coax them to become a specific type of cell that can then be transplanted into the body.
By designing synthetic proteins that can only interact with a pre-determined partner, and introducing them into cells, the team revealed a key interaction that regulates the ability of embryonic stem cells to change into other cell types.
Earlier this year, scientists at University of California, Los Angeles, and Advanced Cell Technology of Marlborough, Massachusetts, reported in The Lancet about the safe and successful use of RPE cells derived from human embryonic stem cells, rather than iPS cells, to treat a different type of AMD in a limited number of human patients.
When the researchers added a specific bone morphogenetic protein called BMP4, as well as another signaling molecule called retinoic acid, to human embryonic stem cells, they got a mixture of two types of sensory interneurons.
Pluripotency distinguishes embryonic stem cells from adult stem cells found in adults; while embryonic stem cells can generate all cell types in the body, adult stem cells are multipotent and can produce only a limited number of cell types.
Neural crest cells are a type of stem cell; during vertebrate embryonic development, they eventually differentiate into specialized cells such as those that make facial skeleton cells or those that create pigment cells.
\ n \ nWhile historically there had been a ban on taxpayer funding of embryonic stem cell research, there has never been a ban on private funding in this country and many European countries have allowed this type of research for years, but so far none of this research has yielded a single therapeutic use.
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