Sentences with phrase «cultured cells did»

Not exact matches

What it does: Scientists have nicknamed mycoplasmas the «crabgrass» of cell cultures because they're particularly tricky to detect, diagnose, and eradicate.

Cultured meat producers still have to source the first set of cells from an animal — even if it's just a small biopsy that doesn't require slaughter.

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?

While some still object to cells being taken from animals and used by scientists to grow clean meat in laboratories — and some just don't like the idea of eating a «cultured» steak created by men and women in white coats — others see the lab - grown meat revolution as key to solving the environmental crisis linked to meat eating.

This allowed them to track changes in calcium ion concentrations in the cells around wounds in living tissue (as opposed to the cell cultures used in many previous wound response studies) and to do so with an unprecedented, millisecond precision.

Or did you think that cell culture would grow healthy without mommy feeding it regularly?

Yet Pereira - Smith, who still pops into the lab periodically to do her own cell culture work, was always available to discuss results and offer encouragement.

Bioengineers at the University of California, San Diego have proven that when it comes to guiding stem cells into a specific cell type, the stiffness of the extracellular matrix used to culture them really does matter.

The team found several hundred that might do so and restore the protein to its functional shape; more than 30 did the job when tested in cell culture, although they don't know whether they attached to p53 in the pocket.

Yeast cultures normally do not exceed 100 million to 200 million cells per millilitre.

Milk glands, moreover, do not need the constant coddling required for cell cultures.

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

When cells that produced IL - 21 were put in culture with synovial fibroblasts (which are the main contributors to joint inflammation in rheumatoid arthritis), they induced the production of proinflammatory cytokines by these synovial fibroblasts, and cells that do not produce IL - 21, did not demonstrate this same outcome.

«The argument is whether these cells will do it in the body normally, or is this a feature of the cells being cultured,» Telfer says.

However, this coupling does not exist in cell culture models with exogenously expressed c - MYC — the type of systems that are mainly used to investigate glutamine addiction in cancer.

The cell cultures still did not prove whether optogenetics would apply to brain cells inside living, freely moving mammals, however.

«The concentrations of anabasine tested here are 100-fold lower than those required to inhibit growth of parasite cell cultures,» Palmer - Young says, «and we did not find any evidence for variation in anabasine sensitivity across parasite strains.

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

They found that when IGF - 1 was added to the cultured blood cells there was increased lithium sensitivity only in the blood cells of those bipolar disorder patients who did not respond to lithium therapy.

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.

Three types of colon cancer cells grew faster, producing about 50 to 60 percent more cells within 24 hours, with the bacteria than they did when cultured with no bacteria or with a harmless, milk - fermenting bacterium called Lactococcus lactis.

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

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.

2 - D cell - culture and mouse experiments also provided key evidence of the virus's modus operandi; although the rodent brain doesn't harbor the full contingent of human neural stem cells, it has blood vessels and immune - system components that organoids lack.

But the transition from brain - cell cultures to the brains of intact animals does not seem to bode well for astronaut resilience.

They noticed that while the dermal papilla cells from mice naturally formed large clumps in culture, the human cells didn't.

They found that indeed, they do, and that stimulating these cells led them to kill cells infected with HIV - 1 derived from latently infected cells, both in culture and in mice engineered to have a human immune system.

Studies of IBD are typically performed using cell culture experiments or animal models, which don't mimic the precise conditions that occur in the gut of human patients.

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.

Cantley's lab and collaborators found that large doses of vitamin C did indeed kill cultured colon cancer cells with BRAF or KRAS mutations by raising free radical levels, which in turn inactivate an enzyme needed to metabolize glucose, depriving the cells of energy.

«Five years later,» Daley said, «I still don't know of any laboratory that has been able to culture those cells.

«To do that, we went back to the cell culture model to ask whether or not the antibody basically prevents the uptake of misfolded α - syn.»

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.

They found that the infected cultures responded to the drugs in the same way that liver cells inside the body are known to do.

To do this, they incorporated the gene sequence of each receptor into cultured cells and then probed the cells to determine if they were activated by one or more of 25 different bitter - tasting chemicals.

This is the reason why haploid cell cultures do not thrive.

Cell culture systems used today also do not faithfully represent the features of human neurons.»

Using human T cells in culture as well as mice lacking one of these genes, YY1, they found that, indeed, the two proteins did help move Xist back to the inactive X chromosome in activated lymphocytes.

Traditionally, cell culture in the lab has been done in petri dishes and on other flat surfaces.

«Do those cells actually exist in the body, or are they created from the culture conditions?»

One major roadblock, Miglietta told me, is that most of the work on transcription factors has been done on cells grown in a culture dish.

Investigations into human brain development using human cells in the culture dish have so far been very limited: the cells in the dish grow flat, so they do not display any three - dimensional structure.

When the Cornell team cultured human breast cancer cells on matrix deposited by fat - derived cells from obese mice, the cancer cells grew faster than they did on the matrix of cells from slimmer mice.

If the ad refers to cell culture experience, do not spend that important middle paragraph describing your experience with E. coli.

Normal cells often have proved impractical because they can only divide a limited number of times in culture, and once returned to the body they're often too old to do much good.

When Patapoutian and his colleagues added each sulfur compound individually to cultured cells, only allicin triggered a fast, intense response like the raw extract did.

Previous research showed that COX - 2 inhibitors cut viral production in half in cultured cells, but how they did so was unclear.

Only in 2004 did scientists finally succeed in growing such cells in culture from mice.

«Our cell cultures open new doors to brain research,» says Prof. Dr. Jens Schwamborn, in whose LCSB research group Developmental & Cellular Biology the research work was done.

Another, previously unknown gene — when the investigators worked out its protein's structure and studied it in tissue culture — proved to do just the opposite: The protein helped the schizont leave the infected blood cell.