Sentences with phrase «on cells in culture»

The team tested the technique on cells in culture that mimic the transformation of unspecialised white blood cells into full immune cells.

Not exact matches

Based on a 3D image such as an MRI scan, Aspect's machine builds relatively complex organic structures out of a «hydrogel» embedded within cells taken from the body and grown in a cell culture.

Rather than obtaining meat from animals raised on environmentally destructive factory farms and slaughtered in filthy slaughterhouses, clean meat is produced by taking a small sample of animal cells and replicating them in a culture outside of the animal.

If Christians believe that the church and the worship it offers to God ought in some ways to counter the norms and practices of the surrounding culture, then what does it mean that after spending so much of our time each week in front of computer monitors, cell phones, and sports bar TVs, we come to church on Sunday and happily position ourselves in front of the biggest screen of all?

Rather than obtaining meat from animals raised on environmentally destructive factory farms and slaughtered in filthy slaughterhouses, clean meat is produced by taking a small sample of animal cells and replicating them in a culture outside of the animal.

Culturing stem cells by day, and audiences in dingy stand - up clubs by night, it wasn't until Helen Pilcher left the lab that she started basing her comedy on science.

While other papers have examined these mutations using expensive and time - consuming experiments on live ferrets and laboratory cell cultures, Deem and Melia Bonomo used the pEpitope method to rapidly calculate how much the egg - passage mutations would decrease vaccine efficacy in humans.

Scientists are forced either to experiment on whole animals, which is expensive, raises ethical issues and may not predict effects in humans, or to perform tests on microscopic human cells found in tissue cultures, which have been altered to live forever and bear little relation to actual living, breathing people.

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.

For instance, to make a rod with collagen fibers aligned along its length (like a tendon) they cultured chondrocyte cells in a dog bone - shaped mold with loops on either end.

To understand what was going on, Heber - Katz, started examining the cells filling in the holes in culture.

Still, only a few dozen labs in the world are certified as BSL4 facilities; some are very small and only work on diagnostics, or cell cultures, or a single species of animals.

One week, the pair went to a conference to present a poster on the aging of human cells in culture.

One would culture thin sheets of meat, seeded by cells from a living animal, on a reusable polymer scaffold; the other would grow meat on small edible beads that stretch with changes in temperature.

One of the 12 audience members was Ben Chao, a chemical engineer with a Ph.D. — not at all qualified to make a judgment on Scott's abilities in the area of «Approaches to Developing Serum - Free Media Formulations for Mammalian Cells in Culture.»

By analyzing chemical changes of the IRS - 2 protein in immortalized cultures of human white blood cells, it determined that IRS - 2 appeared in two different forms — «on,» which allows the signal to pass through, and «off,» which stops the signal from activating the cells into M2 macrophages.

In experiments on cell cultures, both of these inhibitors succeeded in breaking various forms of the TKI resistance: including forms caused by additional mutations of the gene Bcr - Abl as well as those caused by large quantities of the protein GabIn experiments on cell cultures, both of these inhibitors succeeded in breaking various forms of the TKI resistance: including forms caused by additional mutations of the gene Bcr - Abl as well as those caused by large quantities of the protein Gabin breaking various forms of the TKI resistance: including forms caused by additional mutations of the gene Bcr - Abl as well as those caused by large quantities of the protein Gab2.

Human nasal epithelial cells, cultured on a microchip, react to air pollutants just like they would in the upper airway.

Genomic RNA editing and its impact on Ebola virus adaptation during serial passages in cell culture and infection of guinea pigs

«It's possible that the culture conditions are causing increased stress on the cells, resulting in cell death.»

To find out, they put droplets of culture medium that cancer cells had grown in on one side of petri dishes.

In a previous related study published in the Journal of Materials Science: Materials in Medicine, the same team of NTU scientists found that fish scale - derived collagen would induce human umbilical vein endothelial cells to express 2.5 times more of a specific type of collagen responsible for blood vessel formation, as compared to endothelial cells cultured on bovine collageIn a previous related study published in the Journal of Materials Science: Materials in Medicine, the same team of NTU scientists found that fish scale - derived collagen would induce human umbilical vein endothelial cells to express 2.5 times more of a specific type of collagen responsible for blood vessel formation, as compared to endothelial cells cultured on bovine collagein the Journal of Materials Science: Materials in Medicine, the same team of NTU scientists found that fish scale - derived collagen would induce human umbilical vein endothelial cells to express 2.5 times more of a specific type of collagen responsible for blood vessel formation, as compared to endothelial cells cultured on bovine collagein Medicine, the same team of NTU scientists found that fish scale - derived collagen would induce human umbilical vein endothelial cells to express 2.5 times more of a specific type of collagen responsible for blood vessel formation, as compared to endothelial cells cultured on bovine collagen.

The ability to automate morphology assays on 3D cell cultures is a powerful tool, but some scientists are now pushing the technology even further, with algorithms that can classify structures in living animals and clinical specimens.

In addition to emphasizing the recruitment of graduate students, American universities have a number of on - campus service facilities such as modern research labs, well - stocked reagent rooms, and cell culture facilities.

The implications were hardly lost on the Bethesda crowd: If the virus was transmitted in cell cultures in Ruscetti's lab, it could also be contaminating the nation's blood supply as a result of blood donations from unknowingly infected donors.

«In a given week I'll do cell culture, protein chemistry, molecular biology, microscopy, and structural biology on the computer,» adds Luhrs.

Barnes's team went on to show last year that soya extracts could also inhibit the growth of prostate cancer cells in laboratory tissue cultures.

Part of the trouble is the ingredients: Subtle variations in tissue - culture chemicals and Matrigel, or in different stem cell lines and how they are grown first in 2 - D culture, can have a big impact on how the organoids turn out, Novitch says.

People interested in VTT's CellPod or other food production methods based on cell cultures can participate in the discussion and the development work on VTT's online platform Owela: http://owela.fi/cellpod

These claims were based on subjective observations of ovarian tissue and on the behavior of extremely rare ovarian cells following extensive growth in tissue culture, a procedure that is capable of «reprogramming» cells.

In cells grown on flat culture dishes, the expression of thousands of genes didn't match up with their normal patterns, explaining why the cells from those dishes had been unable to generate new hair follicles.

Their study, which appears as a letter in the Sept. 8 edition of Nature Medicine, expands on work published in April showing that a combination of ribavirin and interferon - alpha 2b stops MERS - CoV from replicating in cell culture.

Rather than stick the isolated cells on a flat culture dish, they mixed the cells with liquid, then let the mixture hang in tiny droplets from a plastic lid, like condensation on the roof of a container.

protected animals»); studies on in vitro systems (whole perfused organs, tissue slices, cell and tissue cultures, and subcellular fractions); and human studies (including estimations of occupational and environmental exposure, postmarketing surveillance, epidemiology, and the ethical and strictly controlled use of human volunteers).

The test procedure is performed on an in vitro skin model built at Fraunhofer IGB from human skin cells in special culture dishes.

«In the last few years, it has become possible to order cultures of human cells for testing, but they're grown on a plate, a two - dimensional environment,» says Radisic.

Currently, grafts are either sheets of skin taken from a donor site on the body, or layers of cells cultured in vitro from the patient.

The microbes rely on oxygen, carbon and other nutrients in their deep environment to live, but Røy's team found that carbon is so limited that the cells respire oxygen 10,000 times slower than bacteria in lab - grown cultures.

After experimenting with several different cocktails, the researchers hit on a mix that transformed 100 percent of cultured stem cells into those that looked like neurons in under an hour.

The researchers report they were able to transform about one in 5,000 cells — enough to get several iPS cells from a single culture dish — and then coax them to become nerve cells or heart tissue on the benchtop.

This ability to isolate, culture and grow the cancer cells will allow researchers to zero in on the cancer cells that matter to the health of the patient.

Prior research with cultured tissue had shown that a mix of chemicals could change bone marrow stem cells from mice to those resembling brain cells, but when a team led by neurologist Lorraine Iacovitti of Thomas Jefferson University in Philadelphia tried the same brew on human cells, the number altered was modest.

Researchers in China have engineered bendable batteries that can run on body - inspired liquids such as normal IV saline solution and cell - culture medium.

The researchers were able to demonstrate, for instance, that factors responsible for hypertrophy — enlargement of cardiac cells for instance in athletes and pregnant women — also led to a growth in volume in the cardiac cells that had been cultured on a film of eADF4 (κ16).

The research showed the beta - lactamase genes in Klebsiella pneumoniae were on all the time, whether or not the bacteria were infecting human cell cultures.

The treatment did a lot to prevent cell migration, a key mechanism in metastasis, in experiments on laboratory cultures (in vitro) of cancerous human cells.

A brain - on - a-chip demands more than a series of electrodes in 2D, on which brain cells can be cultured.

The research highlights the importance of studying the effects of drugs not only on the tumor cells in a culture plate, but also on the interaction of the tumor cells with their own microenvironment.

They must not fixate on simply achieving a technical tour de force of cell culture in bioreactors.

In the new research — published Oct. 21 in the early online edition of Proceedings of the National Academy of Sciences - Margeta, former postdoctoral associate Agata Habas, PhD, now at UC San Diego, and colleagues teased apart the relative contributions of neurons and astrocytes in Nrf2 signaling by performing experiments on cell cultures containing predominantly neurons, predominantly astrocytes, or a mixture of botIn the new research — published Oct. 21 in the early online edition of Proceedings of the National Academy of Sciences - Margeta, former postdoctoral associate Agata Habas, PhD, now at UC San Diego, and colleagues teased apart the relative contributions of neurons and astrocytes in Nrf2 signaling by performing experiments on cell cultures containing predominantly neurons, predominantly astrocytes, or a mixture of botin the early online edition of Proceedings of the National Academy of Sciences - Margeta, former postdoctoral associate Agata Habas, PhD, now at UC San Diego, and colleagues teased apart the relative contributions of neurons and astrocytes in Nrf2 signaling by performing experiments on cell cultures containing predominantly neurons, predominantly astrocytes, or a mixture of botin Nrf2 signaling by performing experiments on cell cultures containing predominantly neurons, predominantly astrocytes, or a mixture of both.