Sentences with phrase «cell clusters in»

However, until now, the germ cell clusters in mammalian ovaries were thought by most researchers to be a non-functional, evolutionary relic.

Anatomists first discovered these cell clusters in rabbits around 1874, giving them the name milky spots.

The work also reinforces the importance of finding tumor cell clusters in the blood as a mechanism of detecting cancer metastasis earlier.

Not exact matches

The research cluster in B.C. centred around early developer Ballard Power still accounts for more than a quarter of fuel - cell industry revenues worldwide, said B.C.'s job, tourism and skills training minister, Pat Bell.

The scientists found that when individuals completed a word puzzle, right before a moment of insight, a cluster of cells located in the superior temporal gyrus — in the right hemisphere of the brain — show significant activity.

The vast majority of the members of the cluster, however, are small businesses in the fuel - cell industry, including suppliers that make pieces of a final product.

The majority of the fuel - cell industry is rooted in the Northeast, but fuel - cell businesses there have only been cooperating for the past decade or so, says Joel M. Rinebold, director of energy initiatives at the Connecticut Center for Advanced Technology, the East Hartford, Conn. - based organization that oversees the cluster.

These cells have been found clustering in sites of anomalies or organ malfunctions such as diabetes, again appearing to try to fix the problem.

Going in chronological order, I think back to last spring when plant cells were deciding to be clusters or not and the weather was great for cluster primordia development.

Then he remembered things he learned in psychology classes: A cluster of cells in the center of the brain, the nucleus accumbens, gets dosed with the neurotransmitter dopamine when we do something fun, like have sex or eat a doughnut.

Your developing baby doesn't look like a baby yet, but cells have clustered in places where your baby's heart and circulatory system will grow as well as where lungs, urinary tract, intestines, brain and entire nervous system will grow.

Alveoli are small clusters of cells, and these cells produce the milk in the breasts and transport the milk down through the ducts and to the nipples.

A small cluster of stem cells in the brain seems to help mice stay young, and injecting extra stem cells helps them live longer.

After a few days, they divided the clusters into individual cells, a small percentage of which grew into so - called blast colonies of up to 400 million cells, the team reports in Nature Methods.

Cyclic adenosine monophosphate (cAMP)- dependent protein kinase, labeled with fluorescein and rhodamine on the catalytic and regulatory subunits, respectively, was injected into Aplysia sensory neurons either in culture or in intact cell clusters.

Years ago W.U.'s Holtzman and former colleague Marc Diamond, who has since moved to the University of Texas Southwestern Medical Center, identified tau - binding antibodies that slow the spread of toxic tau clusters in a lab assay using cultured cells.

Now, researchers at Washington University School of Medicine in St. Louis have shown, in mice, that the virus infects a rare type of intestinal cell called a tuft cell, so named because each cell sports a cluster of hairlike extensions on its surface.

And in a basket cell (above), axon branches, which allow the nerve cell to send messages to other neurons, cluster densely around the cell body.

To get more cells, researchers from Advanced Cell Technology in Worcester, Mass., grew clusters of human embryonic cells in a precise cocktail of growth factors and other cell - regulating chemicals that took several years to work out, says Robert Lanza, the firm's vice president of research and scientific developmCell Technology in Worcester, Mass., grew clusters of human embryonic cells in a precise cocktail of growth factors and other cell - regulating chemicals that took several years to work out, says Robert Lanza, the firm's vice president of research and scientific developmcell - regulating chemicals that took several years to work out, says Robert Lanza, the firm's vice president of research and scientific development.

At the same time, researchers have found that much smaller protein clusters called oligomers — made of only a few copies of these proteins — can be highly toxic to motor neuron - like cells grown in the lab and thus are more likely to be the chief causes of brain - cell death in these diseases.

One lab test showed a single cell moving a distance three times its diameter and joining with a small cancerous cluster in just four hours.

Fanconi anemia (FA) is a genomic instability syndrome caused by mutations inside a cluster of proteins normally responsible for DNA repair in cells.

Still, how melanoma cells join into tumors — whether by individual cells coming together or small or large clusters of cells doing so — follows the same pattern as breast tissue cancer cells: Cables are extended to reel in other cells or clusters.

Without sufficient vasculature in the clusters, the cells in the center don't survive.

Ordinarily, fish cells containing melanin are «well organized» and clustered in tight groups throughout the lower skin, or dermis.

Sensing small increases in CO2, the carotid body, a small cluster of cells in the neck, spurs big increases in breathing to remove excess CO2 and keep a person out of trouble.

Pcdhαc2 is found in a cluster of genes that contain the blueprints for proteins that protrude from the surface of cells.

When the NK cell is activated, the receptor clusters change in size and density, which could help NK cells recognize and eliminate infected cells — but spare healthy ones — next time around.

Now, Johns Hopkins scientists report direct evidence in mice for how those cell clusters control sleep and relay light cues about night and day throughout the body.

«Because 85 percent of people in the study reported extending the antenna during calls, we might have expected to find a disproportionate cluster of tumors behind the eye and the ear on the side the cell phone was used since radiation emission is highest at the antenna,» says co-author Mark Malkin, a neuro - oncologist at Memorial Sloan - Kettering Cancer Center.

Plakoglobin is a component of two important structures involved in cell - to - cell adhesion, and the investigators found that suppressing its expression caused CTC clusters to fall apart, reducing their metastatic potential, and also disrupted cell - to - cell contact between breast cancer cells but not normal breast tissue.

For instance, ZBTB48 KO (knock - out) cells loose the expression of MTFP1 leading to defects in the mitochondrial network with mitochondria clustering around the nucleus instead of being widely spread throughout the cell.

«We found that the genes for both antibiotic synthesis and self protection in Strain 115 are conveniently clustered on a compact DNA molecule [a plasmid] that replicates itself as a small circle within the cells of Strain 115,» says Griffitts.

The new locus they have identified is near a cluster of genes which code for proteins called «glycophorins» that are involved in the malaria parasite's invasion of red blood cells.

Although cell - to - cell infection does result in release of abundant solo viral particles, direct transmission from HIV - infected immune cells to other cells — which can then replicate in clusters of these cells — is a much more efficient route to quickly spread the virus, researchers say.

To understand how these multi-colored lesions originated they examined blood from these mice and found that tumor cells in circulation frequently occurred as clusters comprised of different colored cancer cells.

In Parkinson's disease, they are used to turn down the excessive firing of discrete clusters of nerve cells that control movement.

But according to Michael McKeown, a developmental geneticist at the Salk Institute in La Jolla, California, fru's presence in nine small clusters of fly nerve cells — including several previously mapped by Hall as «courtship centers» — may begin to give researchers «a handle on how the neural circuits that generate complex behaviors are put together.»

Until now, the 1.9 billion year old Grypania fossils, found in Michigan, were widely seen as the first clusters of organised and communicating cells.

Taste cells are located in clusters called taste buds, which in turn are found in papillae, the raised bumps visible on the tongue's surface.

Transplantation of pancreatic islets — cell clusters that contain insulin - producing cells — prevents severe, potentially life - threatening drops in blood sugar in people with type 1 diabetes, according to new research.

While biomedical researchers have had some successes in repairing peripheral nerves and nerve clusters outside the brain and spinal cord in humans, there currently is no effective way to regenerate broken nerve cells in the central nervous system, said Xue.

New clinical trial results show that transplantation of pancreatic islets — cell clusters that contain insulin - producing cells — prevents severe, potentially life - threatening drops in blood sugar in people with type 1 diabetes.

Previous research has shown that cancer cells traveling in clusters have a better chance of spreading than loners do (SN: 1/10/15, p. 9).

Reported in Nature Methods today, the new open source computer tool called Single Cell Consensus Clustering (SC3) was shown to be more accurate and robust than existing methods of analysing single - cell RNA sequence data, and is freely available for researchers to Cell Consensus Clustering (SC3) was shown to be more accurate and robust than existing methods of analysing single - cell RNA sequence data, and is freely available for researchers to cell RNA sequence data, and is freely available for researchers to use.

We identified distinct clusters of CD4 - CTL effector and precursor cells in the TEMRA subset; the precursor cells shared TCR clonotypes with CD4 - CTL effectors and were distinguished by high expression of the interleukin - 7 receptor.

Prabhakar and colleagues from the University of Chicago, the Illinois Institute of Technology, Beth Israel Deaconess Medical Center (Boston), and Johns Hopkins University (Baltimore), focused on the carotid bodies, a tiny cluster of cells embedded in the left and right carotid arteries, which pass through the neck.

In 30 fish, Kaufman spotted a small cluster of green - glowing cells about the size of the head of a Sharpie marker — and in all 30 cases, these grew into melanomaIn 30 fish, Kaufman spotted a small cluster of green - glowing cells about the size of the head of a Sharpie marker — and in all 30 cases, these grew into melanomain all 30 cases, these grew into melanomas.

One theory is that these protein clusters create pores in nerve cell membranes that allow ions to travel in and out uncontrollably.

As tumors grow and develop, they shed micro-metastases, clusters of a few cells that take up residence in far - flung organs such as the brain, liver and bone.