Sentences with phrase «on cultured cells»

Most of the suspect peptides had no effect on the cultured cells, but seven viral peptides and one peptide from a bacterium made the T cells start dividing.

Potti and his colleagues began by testing chemotherapy drugs on cultured cell lines from human tumors, such as from the lung, breast, or ovary.

Execution of DNA extraction using the Promega genomic DNA purification system on cultured cell samples.

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.

Bethencourt and Shigeta figured they could use cell cultures to grow meat without slaughtering any cows or chickens — but why rely on those animals at 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.

I was inspired by the vulnerability of that culture; the way people spill their life out over their cell phones while you're sitting next to them on the subway.

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.

Ohly offers a wide range of products such as yeast extracts, inactive dry yeast, special vitamin yeast, yeast cell wall derivatives, medical yeast and autolysed yeast, based on bakers and / or Torula yeast, as well as wine yeast, specialty powders and starter cultures.

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.

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

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.

The Wyss team believes the ability of the human gut - on - a-chip to culture the microbiome with human gut cells also holds promise for the field of precision medicine, where a patient's own cells and gut microbiota could one day be cultured inside a gut - on - a-chip for testing different therapies and identifying an individualized treatment strategy.

With our human gut - on - a-chip, we can not only culture the normal gut microbiome for extended times, but we can also analyze contributions of pathogens, immune cells, and vascular and lymphatic endothelium, as well as model specific diseases to understand complex pathophysiological responses of the intestinal tract.»

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

A team spearheaded by Dr. Markus Helfer and Prof. Dr. Ruth Brack - Werner from the Institute of Virology and Prof. Dr. Philippe Schmitt - Kopplin from the Analytical BioGeoChemistry research unit (BGC) performed a detailed investigation of the effects of PS extracts on HIV - 1 infection of cultured cells.

The centre will be structured around six technical platforms focusing on zebrafish transgenesis and micromanipulation, bioimaging, mouse transgenesis, flow cytometry, stem cell culture, and gene - expression analysis.

Some of the leading non-animal tests are conducted on cell cultures, human and animal corneas from eye banks, corneal tissue cultures, and frozen corneas supplied by hospitals.

Experiments and observations may be conducted on humans, animals, cell cultures, chemical platforms, etc..

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.»

Previously, high - resolution live imaging has been done with cells cultured on glass slides, which flattens samples.

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 Gab2.

What he showed is if he took the fluids from cultures of cells that lit up and squirted them on cells that were at a low cell density, they all turned on light.

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.

If a breast cancer line had silently contaminated Klonisch's cell culture early on, it would have been subject to the usual technique for immortalizing a normal cell (which involves applying enzymes, antibiotics and antibiotic - resistant genes).

The team's further experiments on cultured heart cells confirmed that GDF - 11 stops the thickening growth seen with age.

Hayashi then drew on other research showing that one key regulatory molecule (activin A) and a growth factor (basic fibroblast growth factor) could convert cultured early embryonic stem cells into cells akin to epiblasts.

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 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.

Several researchers, including Cridland, have consistently failed to find any effects of EMFs on their cell cultures.

Although no tests have yet been done on real wounds, experiments on cultured human skin cells have been encouraging, he says.

We were able to use pharmaceuticals to induce cell self - eating effects and stimulate dedifferentiation though not as effectively as 3D culture, so we need to do more work on this.

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.

After successfully imaging cultured cells, the researchers tested their microendoscope on anesthetized mice.

I found that culturing cardiac valve cells on synthetic hydrogels preserves their normal properties better than the traditional plastic plates do, and I discovered a signaling pathway connecting the stiffness of the supporting scaffold to the cells» cytoskeletal structure.

The journal's home page explains that translational medicine «builds on basic research advances — studies of biological processes using cell cultures, for example, or animal models — and uses them to develop new therapies or medical procedures.»