Sentences with phrase «embryos by»

The pluripotent properties of ES cells can be demonstrated by in vitro differentiation or by reintroduction of these cells back into chimeric embryos by blastocyst injection or morula aggregation.

Signalling cascades, such as the Wnt, TGF - β, Notch and Hedgehog pathways, pattern embryos by specifying cellular identity and coordinating morphogenetic events.

Finally, he opened the door to funding research involving stem cell lines created by producing human embryos by somatic cell nuclear transfer or other means specifically for research in which they are killed.

What are the analytical and clinical validity and the clinical utility of in vitro screening of embryos by whole - genome sequencing?

A quantitative description of complex movements is obtained both in GFP - expressing systems by using whole - embryo two - photon microscopy and in unlabeled nontransgenic embryos by using third harmonic generation microscopy.

When overexpressed together in developing Xenopus embryos by RNA microinjection, these genes can induce eye - like structures as defined by the expression of markers for some retinal cell classes [7].

The characteristic aggregation of lipid - containing structures around the embryonic nuclei clearly detected in C. elegans embryos by CARS microscopy are reminiscent of lipid droplets recently reported to be a characteristic feature of cancer stem cells in colorectal carcinomas (Tirinato et al., 2015).

And yesterday, the Society for Developmental Biology (SDB) issued a statement calling for a voluntary moratorium on «all manipulation of preimplantation human embryos by genome editing.»

You discuss the ethical and legal issues arising from the creation of «three - parent» embryos by assisted reproduction (14 June, p...

It has also triggered warnings about «designer babies,» in which parents customize their IVF embryos by adding, removing, or changing genes for certain traits.

Many entities that are not embryos (teratomas, parthenotes, complete hydatidiform moles, and even enucleated oocytes) resemble embryos to varying degrees and yet can be reliably distinguished from embryos by careful comparison.

If those hormones are missing, the Wolffian duct degrades and an embryo by default develops as female, Jost proposed.

CRH, in turn, triggered production of the cell surface protein FasL; trophoblasts expressing FasL then form a protective shield of sorts around the embryo by forcing any attacking immune cells to self - destruct.

Here are the 20 finalists from the 2007 contest, starting with the winning picture: a 17 - times magnified view of a double - transgenic mouse embryo by Gloria Kwon of the Memorial - Sloan Kettering Institute in New York.

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 cell.

But the favored reprogramming technique, somatic cell nuclear transfer (SCNT), otherwise known as research cloning, is fraught with ethical pitfalls as well as technical difficulties because it entails creating a human embryo by inserting an adult cell nucleus into an ooctye.

Scientists have shown how the precursors of egg and sperm cells — the cells that are key to the preservation of a species — arise in the early embryo by studying pig embryos alongside human stem cells.

Used on the day of the transfer AFTER the transfer to increase the success rate of implantation of the embryo by increasing circulation and hormonal support.

Not exact matches

Before you scream too loudly over this move by President Obama, keep in mind that the prohibition for using federal funds under the executive order by President Bush did not stop the practice of harvesting stem cells from unused embryos in fertility clinics.

And yes, some proponents of embryo - destructive stem cell research insisted that it must go ahead, alongside the research path charted by Thomson and Yamanaka.

The Quran coined names that describe the development stages of the embryo; namely hanging to the wall of the uterus (alaq), succeeded by the chewed lump of flesh (mudga).

Or how was a man named David, a simple shepherd at one time some 3,000 years ago, able to specify that we are formed by means of a set of detailed instruction within our DNA, that makes each of us unique, saying: «Your (God's) eyes saw even the embryo (up through 56 days after conception) of me, and in your book (the instructions in DNA) all its parts were down in writing, as regards the days when they were formed and there was not yet one (organ) among them»?

If this ideal situation proved to be consistently the case in animal experiments, then there would be near - absolute certainty that the cells produced by ANT - OAR are merely cells and not embryos.

Rabbi Neuberger asserted that «it's really important that one accepts that... new scientific research has taught us... that the human embryo is not as unique as we thought before... We do have to think differently about the «unique quality of human embryos» in the way that Peter Saunders is saying... The miracle of creation... may have to be explained somewhat differently... Our human brains are given to us by God... to better the life of other human beings... and if this technology can do it..., and I don't believe that anybody is going to research beyond fourteen days, then so be it, lets do it.»

Yet a mistaken judgment by scientists, that OAR works in mice, could lead authorities in the Catholic Church to the decision to approve creating crippled human embryos for research.

Due to the limited statistical and methodological certainty allowed by biological science, the occurrence of technical errors in biological experiments, the differences between human and animal embryo development, the rapidity by which the cloning procedure produces a totipotent zygote, and the philosophical and theological nature of the question, there is no biological experiment that will prove with moral certainty that a human zygote never exists during the OAR procedure.

There is knowledge to be gained by such studies, of course, but it hardly makes for the sort of case embryo - research advocates were advancing just a few years ago — with its miracle cures and treatments for the untreatable.

The «at first breath» argument is offered most comprehensively in To Gaurus: On How Embryos are Ensouled, a text believed to have been written by Porphyry, a third - century student of the «founder» of Neoplatonism, Plotinus.

What SINS were COMMITTED by EVERY child, baby, fetus and human embryo that justified torturously KILLING them?

Rather, the embryo is human merely by virtue of this physical and spiritual substance created by the union of sperm and egg (or at least by virtue of its purported ability to survive physically outside the womb)

Research has shown, conclusively, that the morning after pill works by preventing ovulation, so no fertilized embryo is present.

The Crossbench peer's Conscientious Objection (Medical Activities) Bill - which is being supported by the Free Conscience campaign - would apply to the withdrawal of life - sustaining treatment, human embryo research and activity linked to preparing, supporting or performing an abortion.

Stem cell research using human embryos might mean new mornings for people like these — people you and I know by name.

Endangered spe - cies in any form to include their eggs, embryos are protected by the force of law.

Endangered species in any form to include their eggs, embryos are protected by the force of law.

The renewal of the world is the Christian hope, and even though, because of our mortal limited lives, like Moses we do not live to witness the consummation, but see it only in embryo, it is sufficient reward to have been used by God in this mighty process of the redemption of the world from the evil, suffering and misery to which man himself has contributed.

Should the ANT - OAR proposal work, the alterations made to the adult nucleus will ensure that the cell produced by ANT - OAR enters immediately into a restricted, pluripotent state, without ever generating a totipotent embryo.

ANT - OAR accomplishes this same goal, however, by using an approach that does not involve the generation and destruction of human embryos.

The ANT - OAR proposal represent a scientifically and morally sound means of obtaining human pluripotent stem cells that does not compromise either the science or the deeply held moral convictions of those who oppose the destructive use of human embryos for research» which is a creative approach that can be embraced by both the anything - goes camp and the nothing - goes.

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.

The Concentration Can by Jerome Lejeune Ignatius Press, 216 pages, $ 12.95 The case before the Tennessee court was whether the embryos in «the concentration can» were property to be liquidated or human life to be protected.

Aristotle, noting that the human embryo in its earliestform did not have a human form, head, body and limbs, imagined that it had an animal soul which was replaced by a spiritual soul as soon as the human form definitely became apparent.

By applying this to human embryos, sperm or eggs, scientists can manipulate the genetic constitution of children.

Prozac is not yet Huxley's soma; cloning by nuclear transfer or splitting embryos is not exactly Bokanovskification; MTV and virtual - reality parlors are not quite the «feelies»; and our current safe - and - consequenceless sexual practices are not universally as loveless or as empty as in the novel.

If the mediaeval doctrine is presupposed, and it is coming to the fore again, that the spiritual soul only comes into existence at a later stage in the growth of the embryo, several pre-human stages will lie between the fertilized ovum and the organism animated by a spiritual soul.

A panel of nineteen experts appointed by the National Institutes of Health has recommended government funding for conceiving human embryos in the laboratory for the sole purpose of using them as materials for research.

His article is occasioned by the National Institutes of Health proposal to fund producing human embryos in the laboratory solely for the purpose of research (see «The Inhuman Use of Human Beings,» FT, January 1995).

Can you become possibly the first Christian in history to identify ONE CRIME or SIN committed by ALL the fetuses and embryos on the face of the planet that justified God's killing them?

An Enquiry into the Status of the Human Embryo in the Christian Tradition by David Albert Jones, Continuum, 266pp, # 16.99 The aspect...

An embryo needs nutrients provided by the mother through the placenta in order to develop into a fetus and beyond.