The phrase
"embryonic stem" refers to stem cells that are found in embryos. These cells have the ability to develop into any type of cell found in the body, making them very important for medical research and potential treatments for diseases.
Full definition
Last week British scientists announced that they had created sperm cells from
embryonic stem cells for the first time.
The morality of
human embryonic stem cell research has long been contentious, but new discoveries could end the controversy.
It has been recognized in the scientific community that the use
of embryonic stem cells in research will become more and more important.
Establish a world - wide consortium of mouse production centers to generate germ line transmission of targeted knockout mutations
in embryonic stem cells for all known and predicted mouse genes.
The mouse was grown
from embryonic stem cells that contained foreign DNA coding for antibiotic resistance.
An ambitious plan to map the genome's regulatory elements will focus first on
mouse embryonic stem cells.
Several other states have stepped up to the plate in the wake of federal restrictions
on embryonic stem cell research.
A federal judge has issued a temporary injunction to halt the increase of federal funding
for embryonic stem cell research.
It's time to openly acknowledge that proceeding
with embryonic stem cell research means losing some embryos.
Given these facts, I do not understand why we should prefer an ethically and scientifically doubtful method
like embryonic stem cell research.
Those cells are adult cells that are forced to behave
as embryonic stem cells through genetic manipulation.
Those will be used to
derive embryonic stem cell lines, which can be turned back into embryos to make litters of live mice when they are needed for study.
This versatility has
made embryonic stem cells attractive to scientists since they were first isolated in 1997.
ACT scientists modified a diagnostic procedure used in fertility clinics to create the
first embryonic stem cell lines without destroying the embryos in the process.
He also hopes to help scientists learn more
about embryonic stem cells so they can someday use them to treat many diseases.
He ruled that work on
existing embryonic stem cell lines derived outside federally funded labs did not violate a ban on the destruction of embryos.
Since embryonic stem cells were first cultured in the lab more than 30 years ago, researchers have talked up their therapeutic potential.
«It's scientifically meaningless to frame this as a debate
between embryonic stem cells and adult stem cells,» he said at the hearing.
British regulators have given a cautious green light to research that would use animal eggs to produce patient -
specific embryonic stem (ES) cells.
In all likelihood, soon after he is sworn in, federal dollars will start flowing toward research on
new embryonic stem - cell lines, bringing with it new battles to fight.
Unlike embryonic stem cells, the use of adult stem cells in research and therapy is not controversial because the production of adult stem cells does not require the destruction of an embryo.
For example, «we shouldn't just develop
[embryonic stem cells] at the expense of looking at other areas,» he warns.
Of course,
such embryonic stem cells are not available in adult patients, so being able to create them from regular cells is an important step.
He plans to figure out how and if the sequence of developmental signals
directs embryonic stem cells to transform into more specialized cell types.
For instance, a strong resolution
opposing embryonic stem cell research, which destroys human lives, passed with 97 percent support.
His laboratory has been designated to characterize the nine or
so embryonic stem cell lines that are currently available to federally funded researchers.
This
allows embryonic stem cells to be employed as useful tools for both research and regenerative medicine, because they can produce limitless numbers of themselves for continued research or clinical use.
129 mice are widely used in the production of targeted mutations due to the availability of
multiple embryonic stem cell lines derived from them.
But these aren't any
old embryonic stem cells they want to investigate; these are stem cells derived from hybrid human - cow embryos.
Mature embryonic stem cells cultivated in the laboratory can, under the right conditions, be backed up in their development to the more immature stem cell type.
The stem cells that have led to these accomplishments have been adult stem cells (
vs. embryonic stem cells).
These cells are thought to possess great potential for replacing damaged tissue but until now have been difficult to distinguish from
classical embryonic stem cells.
This information could then be used to
prompt embryonic stem cells to differentiate in the culture dish into neurons for potential use in cell - replacement therapy.
This single letter allows both induced
end embryonic stem cell lines to be distinguished at a glance.
Phrases with «embryonic stem»