Sentences with phrase «to invade cells»

The influenza virus invades cells by puncturing the cell wall with the tiny spikes of hemaGglutinin that cover its surface.

The number of invaded cells was counted after 24 hours.

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

Farzan and his team discovered in their work with monkeys that HIV can't invade cells if those cells» two surface receptors are blocked — like a keyhole jammed with gum.

The laboratory experiments also showed that the amino acid combination in the CDV - H protein typically found in domestic dog strains (519R / 549Y) was particularly good at invading cells with domestic dog receptors but far less efficient at entering cells with non-canid receptors, effectively making domestic dog strains less able to infect lions and spotted hyenas if they are exposed to them.

After invading the cells, papilloma viruses insert their genetic information into the host cell's DNA (nucleic acid) and upset the normal regulatory mechanisms of cell division, so that the cell divides abnormally and more frequently.

A series of promising compounds can cripple all enveloped viruses» ability to invade cells as well as circumvent any resistance that hobbles traditional antiviral drugs.

The viruses spread by invading cells and inserting their own DNA to replicate.

Furthermore, laboratory experiments demonstrated that strains with the rare amino acid combination 519I / 549H in the CDV - H - protein were significantly better at invading cells with lion or domestic cat receptors than cells with domestic dog receptors.

Turmeric is powerful enough to reach the nucleus of cells and block inflammatory molecules invading the cell much like prescriptions with this purpose.

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

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.

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.

In 2014 in PLOS Biology, Pernas, Boothroyd and colleagues reported that when a type I or type III Toxoplasma parasite invades a cell, the mitochondria circle the vacuole.

Viruses have many more tricks for invading cells and replicating themselves than scientists originally imagined.

In addition to answering basic questions about how Zika invades cells, Linhardt's group also wants to come up with a way to block the interactions between the virus and placental sugars, protecting the fetus from harm.

As with innate immunity, the adaptive immune system — the T cells and antibodies produced by B cells that target specific molecules on invading cells — contributes to pathology or may also fight against it.

Now, researchers can begin to investigate further how toxins, bacteria and viruses invade cells through these raft domains.

They are transient and do their job by fooling the host's immune system into believing there is an infectious agent invading their cells so that the host responds by producing protective levels of T cells, in particular CD8 killer T cells.

The answer may lie in the habits of the rotavirus, which invades cells lining the small intestine.

The results suggested a striking degree of similarity, especially in a region called the «fusion loop» that enables the viral proteins to successfully invade a cell.

Understanding how malaria invades the cells could lead to a more effective vaccine.

Cells of plants and animals have evolved over millennia to produce molecules that specifically degrade RNA of viruses that invade cells while not attacking the cell's own mRNA.

As a secondary defense in combating cancer, medicinal mushrooms are powerful antioxidants, helping to neutralize free radicals in the body that can otherwise invade cells and damage DNA.

These oral prescription antibiotics are used if the bacteria your pet has in their ears are invading the cells rather than living outside the cells: quinolones, azithromycin, and clindamycin.

After transmission, Rickettsia rickettsii bacteria invade the cells that line the walls of small blood vessels (small veins, arterioles, and capillaries) and begin to multiply.

A highly contagious virus that invades cells in the body and is transmitted when a susceptible cat has contact with an infected cat or that cats environment.

How It Works As An Antiviral The proteins actually prevent the virus from invading the cell.

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.

Flu viruses invade cells that line the lungs, but obtaining those cells from patients is difficult.

Cortez investigates a family of enzymes (APOBEC) that exist in mammalian cells and damage viruses that have invaded the cell as part of an innate immune response.

It is possible that the reason the negatively charged micelles were not found to be toxic was that they did not invade cells to the same extent as the positively charged micelles.

M2e is only slightly present on the virus, but in the lung epithelium cells where the virus ends up and starts multiplying, in the invaded cells, M2e becomes abundant.

One of their goals has been to find signs of endogenous retroviruses, viruses that invade cells and worm their way into DNA.

Without the right receptor, the virus can not attach tightly enough to invade the cell and co-opt it for replication.

Faced with a viral threat, the human immune system generates antibodies that recognize the virus and stop it from invading cells.

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

When the virus tries to invade a cell that is «at rest,» the infection is aborted.

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.

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.

Previous herpes vaccine candidates contained a viral protein called gD - 2, an obvious component since it is needed for herpes to invade cells and would therefore elicit an immune reaction.

This new finding enables researchers to investigate how toxins, bacteria and viruses invade cells.

Scientists have developed new fluorescent probes that prove the existence of cell membrane structures called «lipid rafts», allowing researchers to study how toxins and viruses invade cells.

The vaccine (or a case of the measles) prompts the body to supplement this primary buffer with a stronger armor of IgG antibodies, some of which are able to neutralize the measles virus so it can't invade cells or spread to other patients.

The first to arrive at the scene of an invasion, they ravenously consume oxygen to create highly reactive, oxidizing toxins that rupture the membranes of invading cells and damage their DNA.

That's what the vaccinia virus seems to be saying after it invades a cell and prevents its companions from following suit.

To do the job, they used a short segment of amino acids known to enable the HIV virus to invade cells.

When they invade a cell, their RNA infiltrates the host's genetic machinery, tricking it into making viral proteins.

But shiga toxin takes a detour after it invades a cell, traveling to an organelle called the Golgi apparatus and eventually settling down near the cell's protein - making machinery, which it shuts off.