Sentences with phrase «early embryonic stages»

Conserved early embryonic stages.

Analysis for embryos was done on images of seven different embryos (seven mutant and seven wild type embryos) inside gravid hermaphrodites (only one and two cell early embryonic stages were chosen for comparison).

But the great and encouraging consequence of this breakthrough is that the humanity of the unborn child, even at the earliest embryonic stage of development, is now a subject of polite conversation even in the circles that so fanatically resisted acknowledging the facts of life.

«It shows a very nice role for noncoding RNA at the early embryonic stage for transmission of the transgenerational phenotype.»

The Center for RNA Research at the Institute for Basic Science has succeeded in revealing, for the first time, the mechanism of how miRNAs, which control gene expression, are regulated in the early embryonic stage.

According to one researcher, it is the right testicle that is most often retained, being the more cranial (more toward the head) of the two in the early embryonic stage.

Not exact matches

This complex society may be said to begin with conception, or with a late stage of embryonic development, or with early childhood, depending upon the purpose which determines what one takes as its defining characteristic.

«This burst of genetic changes happens only during the early stages of embryonic development and then it stops,» Liu said.

The new research suggests that x-rays start sizzling from embryonic stars at an even earlier stage of their growth.

They also found that embryonic growth appears to be more sensitive to temperature at earlier stages of development and to moisture at later stages.

His daughter still in the embryonic stage, our columnist wonders whether it's too early to steer her toward a career in science.

«Indeed, when we studied the mice at the embryonic stage, we saw the cells between the muscle fibers expanded explosively and formed tumors early in development,» Hatley said.

Changes in cellular metabolites have been shown to regulate embryonic stem cell development at the earliest stages of life.

«Changes in metabolites can regulate earliest stages of development: Findings may offer insights into a variety of disorders, advance embryonic stem cell research.»

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.

Salk scientists and colleagues have proposed new molecular criteria for judging just how close any line of laboratory - generated stem cells comes to mimicking embryonic cells seen in the very earliest stages of human development, known as naïve stem cells.

After two earlier published attempts that led to early - stage embryos but not confirmed embryonic stem cells, Mitalipov and colleagues took steps to preserve a protein complex believed to help primate eggs restructure transplanted DNA, and employed a new imaging system to observe the egg's chromosomes directly instead of by staining them or using ultraviolet light, which might damage DNA.

The zebra is completely black as an early embryo, and white stripes only appear in a later embryonic stage, when the production of dark pigmentation is blocked.

The ability of a fertilized egg to generate both embryonic and extra-embryonic tissues is referred to as «totipotency,» an ultimate stem cell state seen only during the earliest stages of embryonic development.

A second method involves introducing the transgenic DNA into embryonic stem cells (ES cells) derived from a mouse embryo at the very early stages of development.

The gene, known as gata5, acts in embryonic cells, which are primordial, unspecialized cells that form in the earliest stage of embryonic development and are genetically programmed to evolve into one of many specialized cell types, such as skeletal muscle cells, nerve cells, blood cells, skin cells, and liver cells.

Professor Martinez - Arias and colleagues, supported by the European Research Council and the Wellcome Trust, have reconstructed these early stages of development using mouse embryonic stem cells.

Researchers at the University of Cambridge have managed to reconstruct the early stage of mammalian development using embryonic stem cells, showing that a critical mass of cells — not too few, but not too many — is needed for the cells to being self - organising into the correct structure for an embryo to form.

They are present during the early stages of embryonic development and possess the ability to become, or «differentiate,» into almost any tissue within the body.

In a developing embryo PGC's can be isolated from the germinal crescent, a region in the early stage embryo where the cells form, or from the gonads at a later stage in embryonic development.

Although additional research is required to propel the embryo into the next stage - that of a live fetus - this study offers a more comprehensive understanding of early embryonic development and could help improve fertility treatments.

They included cloning (somatic cell nuclear transfer, accomplished in many placental mammals), stem cell gametogenesis (has been done in mice), direct engineering of early stage embryos (has been done in several mammals), embryonic stem cell editing, and primordial germ cell (PGC) editing.

In the future, these cells could be molecularly manipulated to better grasp their interactions and the early embryonic development stages, hypothesizes Dr. Christos Coutifaris, president - elect of the American Society for Reproductive Medicine and a professor at the University of Pennsylvania.

Embryonic Stem Cells: While bone marrow donor centers were being established in the 1980s, another stem cell family tree branch was developing that would draw much attention: Nearly 30 years ago, embryonic stem cells were isolated from early - stage mouseEmbryonic Stem Cells: While bone marrow donor centers were being established in the 1980s, another stem cell family tree branch was developing that would draw much attention: Nearly 30 years ago, embryonic stem cells were isolated from early - stage mouseembryonic stem cells were isolated from early - stage mouse embryos.

These human embryonic stem cells (hESCs) are isolated from early stage embryos.

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

The sequential appearance of genes specific to early developmental stages matches the timing of their induction during embryonic development.

These genes have been also implicated in the gastrulation phase of embryogenesis [55] indicating that «Time Series» clusters provide a comprehensive collection of genes expressed at specific stages of ES cell differentiation and early embryonic development.

In this experiment, Capecchi used different sets of mice to turn on the mutation in three developmental stages — early embryonic, prenatal and postnatal.

In a developing embryo PGC's can be isolated from the germinal crescent, a region in the early stage embryo where the cells form, or from the gonads at a later stage in embryonic development.

The embryonic stage of negotiations had to be attributable to «sharp practice» or «unconscionable conduct» or the like, [139] before the withdrawal from negotiations at that early stage could justify a conclusion of lack of good faith.