Sentences with phrase «of invaded cells»

The number of invaded cells was counted after 24 hours.

This 0157: H7 makes the headlines, mainly because it's a problem in the United States, but in the other parts of the world there are strains of E. coli that still make children very sick, and they kill millions of children every year, and they have lots of different ways of invading our cells and manipulating them.

Not exact matches

«These attacks have grown in magnitude and they include attacks on security services, we have incidents where military officers have been lynched by mobs, we have instances where these vigilante groups calling themselves variously; Invisible forces, Delta forces, etc. invade police stations, break into cells and release suspects because they claim the NPP members are immune to any form of arrest in other words, they are living above the law because they happen to be members of a party living in power», he said.

Introducing human prostate cancer cell lines into mice, Wu and his colleagues saw a particular enzyme called MAOA activate a cascade of signals that made it easier for tumor cells to invade and grow in bone.

Understanding how margin length decreases from surgery to pathology — because of how the removed tissue shrinks and tumor cells invade surrounding tissues — can lead to better surgical margin planning and in turn a better prognosis, said corresponding author Milan Milovancev, a board - certified veterinary surgeon at OSU's College of Veterinary Medicine.

The «tumors» are really clusters of immune cells that have invaded sites to kill cancer, he says.

Eighty percent of the bacteria were no longer able to invade human cells, Mitchell says.

The bacteriophages invaded the cells of the bacteria and destroyed them.

The new findings also showed that activation of the AIM2 inflammasome by the DNA virus cytomegalovirus does not involve IRF1, suggesting that the DNA of the invading microbes is presented to the cell in different ways.

Lagasse, based at Pitt's McGowan Institute for Regenerative Medicine, has discovered how to turn any one of the body's 500 lymph nodes — the small, oval - shaped organs where immune cells gather to fight invading pathogens — into an incubator that can grow an entirely new liver.

But in some cases, the theory goes, leftover antibodies from the first illness can actually help the second infection invade cells, increasing the risk of severe dengue disease.

Dr Claudia Wellbrock, study author and Cancer Research UK scientist at The University of Manchester and a member of the Manchester Cancer Research Centre, said: «We used to think that cancer cells spread by first specialising in invading other parts of the body and then change in order to grow rapidly.

Projects of interest include creating drugs that fight HIV, bacteria that seek and invade tumor cells, and biological sources of renewable energy.

Cancer Research UK scientists at The University of Manchester found that some melanoma cells are particularly fast growing, but not very good at invading the surrounding tissue, while other melanoma cells are the opposite — highly invasive but slow - growing.

Many studies have shown that stiffness of the extracellular matrix, the fibrous network of collagen that surrounds cells, promotes cellular mobility; cells can get a better grip on stiffer surfaces and thus invade neighboring tissue.

Reducing STK17A also interfered with tumor cells» ability to move around and invade other areas of the brain.

One reason for this is that the tumour cells invade surrounding, healthy brain tissue, which makes the surgical removal of the tumour virtually impossible.

More light leads to a greater flow of calcium, so the researchers are able to finely tune the calcium - dependent actions of immune cells to fight against invading pathogens or tumor cells.

PS extracts block attachment of virus particles to host cells and thus effectively prevent the virus from invading cells.

Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered a signaling pathway in cancer cells that controls their ability to invade nearby tissues in a finely orchestrated manner.

(D) When accounting for the reduced efficiency in adherence, the cancer cells display a similar inefficiency in their ability in invade through the collagen of irradiated matrices relative to controls.

Lee demonstrated that the compound binds to lipids in the envelope of both the virus and the invaded cell.

RNA invading from outside the cell is the hallmark of a virus, and our immune system has evolved ways to recognize and destroy it.

The virus appears to invade the brain by infecting a type of glial cell called olfactory ensheathing cells (OECs), which nourish smell - sensing neurons and guide them from the olfactory bulb to their targets in the nervous system.

Many diseases are caused either by an invading pathogen or degradation of a cell's internal structure.

Immune cells in a malaria - transmitting mosquito sense the invading parasites and deploy an army of tiny messengers in response.

Scientists at Barrow Neurological Institute have recently made discoveries about use of a new technology for imaging brain tumors in the operating room — a finding that could have important implications for identifying and locating invading cells at the edge of a brain tumor.

The redness and swelling you see around an infected cut represents the mobilization of a powerful arsenal of cells and molecules in response to injury and invading microbes.

Working with human breast cancer cells and mouse models of breast cancer, scientists identified a new protein that plays a key role in reprogramming cancer cells to migrate and invade other organs.

The enzyme heparanase, which allows these cells to invade tissues, seems to be activated only in acidic environments such as those found in areas of inflammation.

The UC team first reported how to use CRISPR in pieces of circular DNA called plasmids that can invade bacteria, but the Broad won a race to apply the method to human cells, which represents a potential billion - dollar marketplace for medicines.

Given the millions of cells all simultaneously producing proteins to combat an infection, it's very long odds against any given invading bacterium ever gaining a foothold.

More recently, however, researchers have suggested that macrophages — specialized immune cells that reside in the dermis — are attracted to the wound inflicted by the tattoo needle and gobble up the tattoo pigment just as they would normally engulf an invading pathogen or piece of a dying cell.

Every invaded cell in this assay is colored green and the assay showed that the cells on the left, lacking Id4, invaded much more than the cells on the right in which there was forced expression of Id4.

With low levels of active p130Cas, cells don't form lamellipodia and are therefore less able to invade.

Abnormal and uncontrolled production of this class of proteins, known as transcription factors, allow for cells to bypass growth control mechanisms and to develop characteristics necessary for invading surrounding tissues.

Glioblastoma is the most lethal form of primary brain tumor and leads to death in patients by invading the brain tissue in a process that allows single cells to move through normal brain tissue, which makes complete surgical removal of the tumor impossible.

U of G scientists have made a discovery that could reduce the spread of cancer by hindering a protein that binds cancer cells together and allows them to invade tissues.

Malaria, which can be especially deadly for kids, develops when mosquito - borne protozoan parasites invade and then burst out of red blood cells to enter the bloodstream.

As more reports appear of a grim «post-antibiotic era» ushered in by the rise of drug - resistant bacteria, a new strategy for fighting infection is emerging that targets a patient's cells rather than those of the invading pathogens.

Cancer begins with a series of genetic changes that prompt a group of cells to overreplicate and then invade surrounding tissue, the point at which true malignancy begins.

The research suggests that reducing production of the protein, called myoferlin, affects cancer cells in two primary ways: by changing the activation of many genes involved in metastasis in favor of normal cell behavior, and by altering mechanical properties of cancer cells — including their shape and ability to invade — so they are more likely to remain nested together rather than breaking away to travel to other tissues.

(One example of such in utero competition occurs when fetal cells invade the walls of maternal arteries serving the placenta, making them expand and thereby bring more nutrients to the fetus.

They seem most lifelike only when they invade and co-opt the machinery of living cells in order to make more of themselves, often killing their hosts in the process.

When a virus invades a cell, one of the body's first signals that it's under attack comes from type I interferon proteins, which then rev up the production of hundreds of proteins that fight the virus.

Using a powerful imaging technique that allowed the scientists to track the presence and movement of parasites in living tissues, the researchers found that Toxoplasma infects the brain's endothelial cells, which line blood vessels, reproduces inside of them, and then moves on to invade the central nervous system.

Mammals keep iron out of reach of invading microbes by storing it in cells like macrophages — white blood cells which, among other things, normally «recycle» the iron from red blood cells back into the bloodstream.

Neuroscientist Saul Villeda of UCSF homed in on one actor he thought might be responsible for some of that effect: β2 microglobulin (B2M), an immune protein normally involved in distinguishing one's own cells from invading pathogens.

However, the proclivity of glioblastoma to invade adjacent brain tissue prevents the surgical removal of all tumor cells.

The findings upend the long - held scientific belief that only cells, known specifically as dendritic cells, infected with Mycobacterium tuberculosis could stimulate a broader, defensive immune system attack of the invading microorganism.