Sentences with phrase «presence of the virus»

This prolonged presence of the virus has not been observed in other sites of infection in wild - type mice, she said.

Moreover, simply detecting the genetic presence of the virus in recovering patients does not automatically mean that disease transmission could or would take place — especially if the virus is only present in relatively low concentrations.

Carcasses were then tested for presence of the virus.

It is easy to see why the ELISA test that directly detects presence of the virus has become so popular.

He treated nine men who had been hiv positive for 20 years or more, were on combination antiretroviral therapy, and yet had persistently low counts of the cd4 cells, signaling the continued presence of the virus.

SHERLOCK is an extremely sensitive CRISPR - based diagnostic tool that scientists and medical practitioners can use to detect even the faintest presence of virus and bacteria from a patient's blood or urine sample.

These cells express receptors that are able to sense the presence of the virus.

A weird subject line — one containing misspellings or a reply to a message that the recipient didn't send — often signals the presence of a virus or a worm.

Interferons are molecules our body produces in the presence of viruses and other pathogens to mobilize the immune system.

Lab tests confirmed that the self - reported length of colds correlated with the level of antibodies in the body, which is a biomarker for the presence of a virus.

But, she adds, it is unclear whether the presence of the virus during development affects a child's health.

Kemp hopes to use the new sensor to better understand oxidation of another type of immune cell, T cells, as they form contact with other cells to recognize the presence of viruses.

As other infectious diseases emerge around the world, similar strategies potentially could be used to develop tests to detect the presence of viruses that may become problematic, according to the researchers.

Acute infections in male marmosets, a New World monkey, resemble the human illness the Zika virus creates in people, including the presence of the virus in semen, saliva and urine up to two weeks after the initial infection.

Unlike PCR - based tests, which look for the presence of the virus's genetic material, the ReEBOV test detects antigens: proteins made by the body in response to an Ebola infection.

In previous human challenge trials with this modified virus, Dr. Whitehead and his coinvestigators established the virus dose that would cause all recipients to develop viremia — the presence of virus in the blood — and most to develop a mild rash.

It could be used to detect the presence of viruses and identify their type in tiny samples.

Their research sought to understand how the body's innate immune system is alerted to the presence of the virus and mobilizes to trigger infected cells to commit suicide.

The researchers also tested samples taken from the camels» respiratory tracts for the presence of the virus.

Though aimed at the presence of virus, IL - 1β causes breakdown of the gut epithelium that provides a barrier to protect the body against pathogens.

Disease surveillance programs often use traps baited with CO2 (in the form of dry ice) to catch mosquitoes, which are then tested for the presence of viruses.

In 1985 it was not clear that the presence of antibodies to HIV indicated the presence of virus.

In many viral infections, once a human cell senses the presence of a virus, it activates a stress response meant to act as damage control — part of the stress response shuts down the process of protein translation that viruses need to replicate themselves.

«But we are not sure whether this time it is due to virus, or to some exaggerated response triggered in the immune system which does not require the presence of virus.»

To confirm the presence of virus in diseased tissues, we examined lung tissue from affected monkeys by transmission electron microscopy, revealing abundant icosahedral particles characteristic of adenovirus filling the alveoli (Fig. 1D - 4).

But many viruses were found in body secretions where the presence of a virus is an indicator of an active infection.

While confusing, these results may explain why tests for the presence of the virus that are based on viral DNA sequences may have generated varying (and conflicting) results.

However, they did not detect the presence of viruses in breast cancer or glioblastoma multiforme (cancer of the brain), both of which have been suggested to have a viral cause.

«RIG - I essentially alerts the immune system to the presence of viruses and sets off an immune response, but many aspects of its mechanism of activation were unclear,» explains Gack.

These women were observed until they gave birth, and additional imaging and other samples after birth (eg, AF, cord blood, and placenta samples) were collected to confirm the presence of the virus in the newborns.

Cells re-associated in the presence of virus and formed spheres within three days, whereupon they were collected and seeded in flasks at a density of approximately 500,000 cells / ml.

How the innate immune system senses the presence of viruses at the molecular level.

In addition, researchers from the University of California, Berkeley have used CRISPR to create «DETECTR», a tool that can detect the presence of viruses as well as types of DNA specific to certain tumors or mutations.

The MGH team's vaccine stimulates the patient's own dendritic cells, a type of immune cell that monitors an organism's internal environment for the presence of viruses or bacteria, ingests and digests pathogens encountered, and displays antigens from those pathogens on their surface to direct the activity of other immune cells.

Always scan your emails and attachments, including this one, for the presence of viruses.

In order to arrive at a correct diagnosis, a vet will probably perform a blood test to look at the level of white blood cells and perhaps a stool test to look for the presence of the virus.

A blood test or fecal analysis can confirm the presence of the virus, and antibiotics are often prescribed.

Rabies can be confused with other conditions that cause aggressive behavior, so a laboratory blood analysis must be conducted to confirm the presence of the virus.

The presence of the virus will cause diarrhea, vomiting and weight loss.

Feline leukemia — Part of our basic blood screening, we can quickly diagnose the presence of the virus and begin treatment right away.

Laboratory tests can be done to check for the presence of the virus as well.

The best method to confirm a diagnosis involved examining tissue samples from biopsies microscopically, including special tests to mark the presence of the virus in tissue samples.

TREATMENT AND PREVENTION OF FELV Since these signs could indicate a variety of diseases, veterinarians diagnose FeLV by collecting blood and performing tests to detect the presence of the virus in the cat.

The tissue samples that are collected can be studied through immunohistochemistry, traditional microscopic examination and tests that detect the presence of virus or bacteria.

In this state, all laboratory tests for the presence of the virus or antibody against it may be negative.

An FIP Virus PCR test to confirm the presence of the virus and to check whether the coronavirus is carrying the mutations associated with FIP

Confirmation of the parvo virus infection can also be done via anti-body detection and by noting the presence of virus particles in the feces; which can be done with techniques such as immunofluoresence and electron microscopy.

ELISA (enzyme - linked immunosorbent assay), which detects the presence of the virus in stool, is used most often.

Laboratory examination of blood, urine or sputum (sputum coughed up) may reveal the presence of a virus, which can be isolated for confirmation.