Sentences with word «embryonic»

The morality of human embryonic stem cell research has long been contentious, but new discoveries could end the controversy.

Federal officials have approved the start of human embryonic stem cell treatment experiments on patients suffering a leading cause of vision loss.

Thus, they consider the use of embryonic stem cells for research purposes as unconstitutional.

Similar mechanisms have already been identified in the positioning of cells in embryonic development.

The scientists had strategically inserted these foreign DNA «markers» at particular points along the genome, next to genes expressed only in embryonic stem cells.

An ambitious plan to map the genome's regulatory elements will focus first on mouse embryonic stem cells.

This process is mediated by biological molecules called growth factors, which are proteins that occur naturally in our cells and guide processes ranging from embryonic development to healing.

So, to see this important time is to glimpse the first embryonic stages of our universe's diverse chemistry.

Accordingly, they emerge quite early during embryonic development.

A federal judge has issued a temporary injunction to halt the increase of federal funding for embryonic stem cell research.

They don't require the use of embryos, so they avoid some of the ethical and legal issues that have complicated research with embryonic stem cells.

But again, there is a problem; a viral delivery system is required to penetrate the cell membranes of early embryonic tissues.

And in the past six months investigations have exposed strange flaws in the data from one lab that claimed to have successfully manipulated adult stem cells to act like embryonic tissue.

They suggest that the sugar unit also has a key role in embryonic tissue development.

In addition to generating new insights into embryonic development, the technique might someday be used to diagnose diseases and track therapy.

Those cells are adult cells that are forced to behave as embryonic stem cells through genetic manipulation.

Other mice had implants of dead embryonic brain cells for comparison.

A molecular switch that seems to be essential for embryonic heart cells to grow into more mature, adult - like heart cells has been discovered.

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.

Now research describing a simple way of producing embryonic - like stem cells is being investigated over «inconsistencies».

Experts say the new method, reported in the current issue of Cell, could also be a useful tool for studying embryonic development.

Her work involves mapping the first six days of human embryonic life.

For a start, the technology itself is still embryonic.

She seeks to follow a course of embryonic growth from seed to egg, from line to form.

He gives the example of the debates over embryonic stem cell research.

The world's first embryonic stem cell bank should be up and running within a year.

This versatility has made embryonic stem cells attractive to scientists since they were first isolated in 1997.

The study also reveals that despite their unique anatomy, turtles follow the basic embryonic pattern during development.

He also hopes to help scientists learn more about embryonic stem cells so they can someday use them to treat many diseases.

At the same time I felt kind of responsible for this technology we had developed because now everybody has the means to develop embryonic - like cells.

A seed is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food.

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.

These are essential for supporting embryonic and fetal development, and many pregnancies fail because of problems with these tissues.

It should be said that stem cell lines are quite different from normal embryonic development and these results should be interpreted with caution.

That includes not only procedures in which embryonic - stem - cell lines are created, but also those that use previously derived cell lines.

«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.

The process of obtaining embryonic stem cells results in the destruction of an early - stage human embryo.

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.

But scientists worldwide say the true embryonic versions of the cells will be needed for years to come.

Two papers published this week appear to bring closer the day when embryonic - like stem cells can be used to treat human diseases.

Amid all this, are you still trying to achieve your first dream, harvesting embryonic stem cells from human clones?

To achieve this result, the researchers studied the interactions between some molecules that control embryonic development.

For example, «we shouldn't just develop [embryonic stem cells] at the expense of looking at other areas,» he warns.

The new technique means they will not need embryonic stem cells.

They then exposed these cells to certain growth factors in - vitro to cause them to turn into liver - like cells, in a process that mimics embryonic development.

The new strategy is based on human RNA - binding proteins that normally help guide embryonic development.