Sentences with phrase «individual embryonic cells»

The researchers found that the segmentation clock lies quiescent in individual embryonic cells that give rise to the vertebrae, then clicks on all at once, collectively, when the cells reach a critical mass.

Not exact matches

The first page of Larsen's Human Embryology states that, `... [W] e begin our description of the developing human with the formation and differentiation of the male and female sex cells or gametes [sperm and egg], which will unite at fertilisation to initiate the embryonic development of a new individual».

Although the U.S. government puts stringent restrictions on funding for research on embryonic stem cells, individual states such as California have set up institutes to perform that work and general stem cell studies.

Existing European patents involving embryonic stem cells — most of which were issued in the United Kingdom — will not be invalidated immediately, but lawsuits challenging individual patents will use the ruling as guidance.

In May 2013, Mitalipov was the first scientist in the world to demonstrate the successful use of somatic cell nuclear transfer, or SCNT, to produce human embryonic stem cells from an individual's skin cell.

The study, which followed four individuals for a year after they were treated with embryonic stem cell - derived retinal pigment epithelial cells for macular degeneration, observed no serious side effects (tumor growth or other unexpected effects) related to the therapy.

A large body of research has reported that Nanog is allelically regulated — that is, only one copy of the gene is expressed at any given time — and fluctuations in its expression are responsible for the differences seen in individual embryonic stem (ES) cells» predilection to differentiate into more specialized cells.

If the egg were indelibly etched with asymmetric information that unequivocably determines development, the argument went, how could two embryonic cells be separated and still produce whole, intact, normal individuals?

You can do all kinds of tricks with embryonic stem cells, but if they come from another individual, you still have the problem of rejection.

During embryonic development individual cells and cell clusters can move over relatively long distances, and cell migration is also essential for wound healing and many immunological processes in adult animals.

Stem cell researchers from UCLA used a high resolution technique to examine the genome, or total DNA content, of a pair of human embryonic stem cell lines and found that while both lines could form neurons, the lines had differences in the numbers of certain genes that could control such things as individual traits and disease susceptibility.

«Basically, this study shows that the genetic makeup of individual human embryonic stem cell lines is unique in the numbers of copies of certain genes that may control traits and things like disease susceptibility,» said Teitell, who also is an associate professor of pathology and laboratory medicine and a researcher at UCLA's Jonsson Comprehensive Cancer Center.

Already, researchers said, iPS cells have proved easier for individual labs to make than embryonic stem cells, fueling the intense interest.

Here we used genome - saturated mutagenesis to create a biobank of over 100,000 individual haploid mouse embryonic stem (mES) cell lines targeting 16,970 genes with genetically barcoded, conditional and reversible mutations.

Here we report that cultures of expanded potential stem cells can be established from individual eight - cell blastomeres, and by direct conversion of mouse embryonic stem cells and induced pluripotent stem cells.

The first are those changes which supervene by reason of the conditions under which the embryonic or adult life of the individual is developing, these being influences on the body or soma and not on the germ - cells.

These qualities are embodied in the series Cell (2014, Digital Chromogenic Prints) created by highlights in oil, taking what began as a black space and forming individual embryonic worlds.