Sentences with phrase «cell 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).

Not exact matches

«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 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.

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.

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 mouse embCells: 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 embcells 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.

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 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.