Sentences with phrase «directing early cell»

Not exact matches

In order to survive, early single - celled organisms could have used that signal to direct repair, an evolutionary advance that he thinks survives today.

In earlier studies involving animal models and human cancer cell lines, researchers found that breast cancer spreads when three specific cells are in direct contact: an endothelial cell (a type of cell that lines the blood vessels), a perivascular macrophage (a type of immune cell found near blood vessels), and a tumor cell that produces high levels of Mena, a protein that enhances a cancer cell's ability to spread.

Cells in the early embryo are thus directed to make a decision to either form bone or cartilage, depending on where they are.

The US Department of Energy's National Renewable Energy Laboratory (NREL) is collaborating with Oorja Protonics, a developer and manufacturer of direct methanol fuel cell technology (earlier post) on a two - year project to deploy and demonstrate methanol fuel cells for power pallet jacks in four commercial wholesale distribution centers.

«These are interesting results proving it is theoretically possible to «regress» cells back to an earlier stage in development when they are self - perpetuating and still have the potential to be directed to become a whole range of different cell types, whether nerve cells, heart muscle or bone.

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.

That we observe cell sorting in EB culture also provides direct evidence, albeit in vitro, for the differential adhesion model proposed for the resolution of early PrEn and PrEc in the mammalian blastocyst in this same paper [56].

For example, the same cellular signals that guide early heart development can be used to direct stem cells to become the different heart cell types needed for modeling disease in a dish.

We believe that a similar early precursor may exist to the PrEc lineage (Figure 9), and while we have no direct evidence for this, we did observe Oct4 positive cells that neither expressed Nanog nor the Venus transgene and there also appears a slight enrichment of early neural markers in the V − S + population (Figure 4).

The good news is that if markers for these tubal cells can be found, then blood tests, advanced Pap smears, or direct tests on tubal tissue might spot ovarian cancer earlier, the study authors said.