Sentences with phrase «become embryonic tissue»
The polarised blastomere will later envelop its unpolarised sister cell, which will become embryonic tissue.
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The immediate payoff was a commercialization deal in age - related macular degeneration in which Pfizer became the first big pharma company to make a move into the use of embryonic stem cells as the basis for a tissue regeneration therapy.
The results help fill in the scientific puzzle kicked off by Dolly's cloning, which proved that mammalian egg cells were capable of dissolving the genetic roadblocks that limit the potential of most adult cells to give rise to only a single type of tissue — that of the organ from which they hail — whereas embryonic stem cells have the potential to become virtually any kind of body tissue.
«Embryonic stem cells are pluripotent, meaning they have the ability to become any type of tissue,» Fuchs says.
They propose that normal tissue becomes primed for cancer when oncogenes are activated and tumor suppressor genes are silenced or lost, but that cancer develops only when a cell in the tissue reverts to a more primitive, embryonic state and starts dividing.
And so they have long sought haploid embryonic stem cells, which can become any kind of tissue but contain just one set of genes, like a sperm or egg.
In 1983, Beddington set up her own lab at Oxford and became one of the first scientists to demonstrate that embryonic stem cells can give rise to any tissue found in a developed body.
The research used skin samples from five men to create what are known as induced pluripotent stem cells, which closely resemble embryonic stem cells in their ability to become nearly any tissue in the body.
For example, there is no equivalent of indefinitely self - renewing embryonic stem cells in the human embryo — these are instead transient cells that very quickly specialise to become the precursors of tissues in the embryo.
Tumors were suspected to be tissues that had been triggered to become embryonic - like again, and it is now generally accepted that tumors are indeed more «embryonic» than the tissues they are derived from, due to the re-expression of embryonic - related genes.
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.
Neural stem cells are found in adult or fetal brain and spinal cord or derived from embryonic stem cells, which have the capacity to become any cell type in the body, or induced pluripotent stem (iPS) cells, tissue - specific cells that are reprogrammed in the lab to behave like embryonic stem cells.