Sentences with phrase «different cells in the embryo»

Not exact matches

Embryos are different from mere cell cultures in a number of important ways.

In theory, new embryos then could be created by combining converted egg or sperm cells with natural ones, or by combining eggs with sperm cells derived from different donor animals.

The results, which focus on two choices near the start of embryo formation, show that, when cells are making decisions about what to become, there is greater variation in the activity of the genes in different cells — the same genes may be turned on in some cells and off in others.

In embryos, they guide differentiation from the single fertilized egg into all cells that form the different tissues and structures of the body.

In a paper published online yesterday in Stem Cells, the researchers report that they succeeded in generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embryoIn a paper published online yesterday in Stem Cells, the researchers report that they succeeded in generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embryoin Stem Cells, the researchers report that they succeeded in generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embCells, the researchers report that they succeeded in generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embryoin generating pluripotent human ES cell lines — i.e., cells that can develop into many different kinds of cells — from one of the 13 late - arrested embcells that can develop into many different kinds of cells — from one of the 13 late - arrested embcells — from one of the 13 late - arrested embryos.

But 8 or 9 days into the embryos» development, the chickens start to look drastically different: The cells in the rudimentary penis begin to die, eventually leaving only a slight bulge.

Cells in a developing embryo have different shapes and behaviors and can be densely packed, making it difficult for a computer to identify and track individual cCells in a developing embryo have different shapes and behaviors and can be densely packed, making it difficult for a computer to identify and track individual cellscells.

Ten years ago, convinced that bioelectricity plays an important role in development, Levin and his colleagues systematically altered the number of ion channels in cells in different parts of a frog embryo.

To show their program's promise beyond plant roots, the researchers also used it with a different microscope to watch groups of cells move around in growing zebrafish (Danio rerio) embryos.

Nervous system in Nematostella vectensis embryos with different nerve cell populations, where the different neurons (here in green, blue and magenta) evidence asymmetry.

The finding that normal fertilization can result in embryos containing cells with different parental sets of chromosomes is a new mechanism for chimerism, which was previously thought to occur only as the result of fertilization errors, for example, the fusion of multiple sperm or eggs to form an embryo.

In 2001 Magdalena Zernicka - Goetz and her colleagues at the Wellcome / Cancer Research UK Institute at the University of Cambridge did a clever experiment in which they dissolved colored dyes in olive oil and then stained each of the cells of a two - celled mouse embryo a different color — one blue and the other pinIn 2001 Magdalena Zernicka - Goetz and her colleagues at the Wellcome / Cancer Research UK Institute at the University of Cambridge did a clever experiment in which they dissolved colored dyes in olive oil and then stained each of the cells of a two - celled mouse embryo a different color — one blue and the other pinin which they dissolved colored dyes in olive oil and then stained each of the cells of a two - celled mouse embryo a different color — one blue and the other pinin olive oil and then stained each of the cells of a two - celled mouse embryo a different color — one blue and the other pink.

«This data tell us that our stem cells are much more versatile than Yamanaka's in vitro iPSCs, whose potency generates the different layers of the embryo but never tissues that sustain the development of a new embryo, like the placenta,» said the CNIO researcher.

In previous experiments, neural stem cells have been able to integrate into developing embryos and turn into many different types of cells, including heart and liver (ScienceNOW, 1 June) and even blood (21 January 1999).

«By labelling the different types of cells in the embryos of skate, we were able to trace their fates.

Recent studies on species such as zebrafish showed scales and teeth developing from distinctly different clusters of cells in fish embryos, pouring cold water on «teeth from scales» theories.

In the new study, the researchers explored the role of cell shape in two vastly different types of epithelial cells — human bronchial epithelial cells grown in the lab and cells within the living embryo of the fruit fly — and observed them as they matured over timIn the new study, the researchers explored the role of cell shape in two vastly different types of epithelial cells — human bronchial epithelial cells grown in the lab and cells within the living embryo of the fruit fly — and observed them as they matured over timin two vastly different types of epithelial cells — human bronchial epithelial cells grown in the lab and cells within the living embryo of the fruit fly — and observed them as they matured over timin the lab and cells within the living embryo of the fruit fly — and observed them as they matured over time.

But in the retraction notice, she and her co-authors describe five additional errors, including pictures of the same cells or embryos labeled as different cells or embryos.

Maybe you believe that human embryos are different in a morally significant way from other human cells, even if you don't think that they have the status of born humans, or even fetuses.

Kathy Niakan and colleagues are providing new understanding of the genes responsible for a crucial change when groups of cells in the very early embryo first become organised and set on different paths of development.

Overton studied the elaborate structures on the surfaces of cells in order to understand how single cells established and maintained connections with their partners as they matured to form different types of tissues in the developing embryo.

The embryonic stem cells need a host embryo in which to develop and this is isolated usually from a mouse with different colour fur.

Cardiovascular progenitor cells (CPCs) are generated naturally as the heart forms in an embryo and give rise to a selection of different kinds of heart cells.

Decades of research in developmental biology have provided clues to how genes in a developing embryo direct different proteins and other chemical factors to create all manner of specialized cells.

Because the embryo is transparent it is possible to use fluorescent proteins to label specific cells and their components, and then use this to watch the fate of the cells in the presence or absence of different genes.

«If we can understand how these early cells are regulated in the actual embryo, this knowledge will help us in the future to treat patients with diabetes, or Parkinson, or different types of blindness and other diseases,» he says.

Understanding the conditions that cause these cells to go off to different fates may have a bearing on health problems such as ectopic pregnancy, which occurs when the embryo develops outside of the womb in about 1 of 60 pregnancies, or molar pregnancy, which is abnormal tissue growth within the uterus that affects about 1 in every 1,000 pregnancies.

Sten Linnarsson (Karolinska Institutet / SciLifeLab), Joakim Lundeberg (KTH / SciLifeLab) and Mats Nilsson (Stockholm University / SciLifeLab) is leading the investigations, which aims to characterize cell types of brain, lung and heart tissue using single - cell RNA sequencing, and and make a three dimensional map of where the different cell types are located in the embryo.

Differences in intracellular pH regulation by Na + / H + antiporter among two - cell mouse embryos derived from females of different strains.

George Q. Daley, a stem cell biologist at Boston Children's Hospital, said Dr. Niakan's study of human embryos was «critical because we know them to be quite different from embryos of mice» and other mammals studied in laboratories.

In explaining that «[m] any thoughtful and decent people are conflicted about, or strongly oppose, this research,» President Obama was acknowledging that, even in its earliest stages, the small group of cells that constitute an embryo are in some way different from a chemical reagent to be sold in a catalog or an industrially synthesized molecule to be integrated into a widgeIn explaining that «[m] any thoughtful and decent people are conflicted about, or strongly oppose, this research,» President Obama was acknowledging that, even in its earliest stages, the small group of cells that constitute an embryo are in some way different from a chemical reagent to be sold in a catalog or an industrially synthesized molecule to be integrated into a widgein its earliest stages, the small group of cells that constitute an embryo are in some way different from a chemical reagent to be sold in a catalog or an industrially synthesized molecule to be integrated into a widgein some way different from a chemical reagent to be sold in a catalog or an industrially synthesized molecule to be integrated into a widgein a catalog or an industrially synthesized molecule to be integrated into a widget.