Sentences with phrase «cell aggregates»
"Cell aggregates" refers to a group or cluster of cells that come together and stick to each other. Full definition
Treatment of cell aggregates with sodium vanadate in the presence of LIF has been shown to repress Nanog and stimulate PrEn differentiation [40].
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In the last 3 years Gormley has been experimenting with cell aggregates of nesting polyhedra in both solid and space - frame forms turning the space of the body into an open framework of tetrahedral, cubic, dodecahedral and more complex polygons which, in his words, «achieved a breakthrough when released from a bounding skin.»
After creating stem cell aggregates with microparticles containing different growth factors, the researchers observed a hemispherical organization of cells for several days, with the different cells remaining spatially segregated.
«The circulating tumour cells aggregate to protect themselves from chemotherapy — like a circle of covered wagons — thereby preventing any active agents from entering,» says Hamilton, describing the process.
Both stages of the antibody response — the induction of helper T lymphoblasts by dendritic cells and the delivery of help from T to B cell — occur in discrete cell aggregates that can be isolated by velocity sedimentation.
The scientists, Nicole King and Arielle Woznica of the University of California, Berkeley, with collaborators Jon Clardy and J.P. Gerdt at Harvard Medical School in Boston, discovered that within minutes after exposure to a chonodroitin sulfate (CS) lyase produced by V. fischeri, S. rosetta cells aggregate into mass mating swarms, entering into cell and nuclear fusion while duplicating and recombining their genetic material.
«After tweaking our recipe for about a year, we were shocked to discover that we could make multiple inner ear organoids in each pea - sized cell aggregate.»
The researchers show that if the number of cells aggregated initially is similar to that of a mouse embryo, the cells generate a single axis and this serves as a template for a sequence of events that mimics those of the early embryo.
Antibody - aided clearance of extracellular α - synuclein prevents cell - to - cell aggregate transmission.
Later, as neural crest stem cells aggregate at a subsequent point in development, SOX2 is regained only by those cells fated to become neurons.
The device allows for stable gradients over several days and is large enough to study the behaviour of large cell aggregates.
Using a novel experimental procedure, we study quantitatively the effect of an applied mechanical stress on the long - term growth of a spheroid cell aggregate.
Researchers from the Max Planck Institute for Marine Microbiology in Bremen have discovered these possibly smallest power grids in the world when examining cell aggregates of methane degrading microorganisms.
His experimentation with cell aggregates of nesting polyhedra in both solid and space - frame forms turns the space of the body into an open framework of tetrahedral, cubic, dodecahedral and more complex polygons which, in his words, «achieved a breakthrough when released from a bounding skin.»
The scientists now intend to conduct further studies to find out how to either prevent or destroy these cell aggregates.
The cells aggregate and return to a stem cell - like state to allow them to increase in numbers and generate the specialised cells needed for new tissue formation
When the cell aggregates formed, the microparticles became trapped inside.
There the cells aggregate with the amyloid proteins characteristic of Alzheimer's and instigate the buildup of plaque, suggests study co-author May Baydoun, a staff scientist at the National Institute on Aging.