Sentences with phrase «virus infects human»

«Zika virus infects human neural stem cells.»

Knowledge of this structure, called the cytoplasmic tail of gp41 protein, will help researchers further understand how the virus infects human cells and how progeny viruses are assembled and released from infected cells.

The study, led by Nancy J. Cox of the Centers of Disease Control and Prevention describes a molecular analysis of the novel influenza A (H1N1) virus infecting humans in several parts of the world.

Before SARS, before worries about widespread avian flu, the Nipah virus infected humans with surprising ease.

According to their analysis, domestic ducks and chickens played distinct roles in the genesis of the H7N9 virus infecting humans today.

While pathogenic bunyaviruses can multiply at temperatures that include the human body temperature, growth of Jonchet and Ferak viruses ceases above 32 degrees Celsius, making it unlikely that the viruses infect humans or other vertebrates.

Not exact matches

Commerce is not the only entity that is infected; this virus has incapacitated each aspect of human reasoning.

One virus - particle doesn't change color, but as it procreates mutations in that process can make the resulting child - virus differ from the parent - virus, so that the child - virus is capable of infecting a human as well as the original host thereby opening the possibility for a new human disease.

Yellow Fever is a mosquito - borne virus transmitted to humans through the bite of an infected mosquito.

For example, mothers undergoing chemotherapy for cancer and moms who are infected with human immunodeficiency virus (HIV, the virus that causes AIDS) should not breastfeed.

These include the infant with galactosemia, 53,54 the infant whose mother uses illegal drugs, 55 the infant whose mother has untreated active tuberculosis, and the infant in the United States whose mother has been infected with the human immunodeficiency virus.56, 57 In countries with populations at increased risk for other infectious diseases and nutritional deficiencies resulting in infant death, the mortality risks associated with not breastfeeding may outweigh the possible risks of acquiring human immunodeficiency virus infection.58 Although most prescribed and over-the-counter medications are safe for the breastfed infant, there are a few medications that mothers may need to take that may make it necessary to interrupt breastfeeding temporarily.

Ticks can infect humans and pets with bacteria, viruses, and parasites that can cause serious illness.

Hepatitis is a highly prevalent infection, the World Hepatitis Alliance estimates that as many as one person in 12 worldwide may be infected with the blood - borne strains Hepatitis B or C, which are passed on in similar ways to the Human Immunodeficiency Virus (HIV).

«But in this case, when this virus infects cells, the virus makes its own transcription factors, and those sit on the human genome at lupus risk variants (and at the variants for other diseases) and that's what we suspect is increasing risk for the disease.»

The team found that when LANA is cloned into a virus similar to Kaposi, but which infects mice instead of humans, it preserves its functionality.

In human cells and in mice, the virus infected and killed the stem cells that become a glioblastoma, an aggressive brain tumor, but left healthy brain cells alone.

The Zika virus is most commonly transmitted in humans as the result of a bite from an infected mosquito or from an infected human to another human.

A high percentage of the human population is infected with the herpes simplex virus and carries the virus in a latent state.

The «training data» were generated from 78 mice infected with influenza or the cytomegalovirus (CMV) and 32 humans infected with flu, CMV or the Epstein - Barr virus.

In 2007, the virus — which normally infects birds and occasionally jumps from birds to humans — affected seven countries, prompting experts to warn that it could gain the ability to jump from person to person and trigger a pandemic.

The mutations effectively lower the threshold for what it takes for a mosquito to become infected with chikungunya, replicate the virus in its body and pass it on to humans with its bite.

An analysis of the HPV16 genome from 5,570 human cell and tissue samples revealed that the virus actually consists of thousands of unique genomes, such that infected women living in the same region often have different HPV16 sequences and variable risks to cancer.

«This raises important questions about whether human norovirus infects tuft cells and whether people who have chronic norovirus infections and continue to shed the virus long after infection do so because the virus remains hidden in tuft cells,» Wilen said.

Somewhere along the way, certain molecular changes, including a deletion of 29 base pairs from the original virus, allowed SARS to infect and replicate in human cells.

Using human fetal «mini-brains» grown in 3 - D cultures, scientists determined that a specific protein produced by the Zika virus changes the properties of neural stem cells in the developing brain of an infected fetus, potentially causing microcephaly in newborns (Ki - Jun Yoon, abstract 103.06, see attached summary).

«Almost every human being is infected with one or more of these viruses, but most people never develop symptoms, much less breast cancer,» Friedenson said.

Needing proxies for humans, the researchers infected caged ferrets with either the original 1918 flu virus (reconstructed two years ago) or the altered form.

We use viruses called phages that infect bacteria but not human cells.

Human cells infected by the viruses produced the gene products, giving T cells an advance exposure to them.

Benzoquinoline was also effective against vesicular stomatitis virus from the rhabdovirus family, which can infect insects, cattle, horses and pigs, and Zika virus, which is spread to humans by mosquitoes.

To develop the test, the researchers targeted unique stretches of DNA or RNA from every known group of viruses that infects humans and animals.

Bats are hosts to the deadliest viruses we know, but far from infecting humans they may actually hold secrets to improving our health and longevity

An unknown component of breast milk appears to kill HIV particles and virus - infected cells, as well as blocking HIV transmission in mice with a human immune system.

These animals are common hosts for the influenza virus, which comes in a wide range of strengths and types — some of which can infect humans.

For viruses, traits included how many different mosquito species they infect, whether they have ever infected humans and the severity of the diseases they cause.

GOING VIRAL The diversity of viruses carried by such animals as rhesus macaques (one shown) hints at the number of viruses capable of infecting humans that are yet to be discovered.

In the study, Suarez and his collaborators first infected seven species of poultry with a human isolate of the Chinese H7N9 virus.

The $ 1.2 billion project aims to identify roughly 70 percent of these potential threats within the next 10 years, focusing on animals in places known to be hot spots for the emergence of human - infecting viruses.

As a result, no one can explain why the avian H5N1 flu virus has infected some 400 people worldwide, mainly in Asia and Africa, but failed so far to adapt completely to humans.

Human immunodeficiency virus - type 1 (HIV - 1) replicates actively in infected individuals, yet cells with intracellular depots of viral protein are observed only infrequently.

Human placental cell line Jeg - 3 can be readily infected by a circulating strain of Zika virus (left panel) and completely protected by treatment with nanchangmycin (right panel).

HIV, the virus that leads to AIDS, has infected 60 million people worldwide (causing 25 million deaths) since it was discovered in humans in 1981.

Even in Africa, at the heart of the pandemic, in Malawi, 21 percent of MSM are infected with the virus compared with 11 percent of the general population, whereas Zambia's rates are 33 percent versus 15 percent, respectively, says Chris Beyrer, director of the Johns Hopkins Center of Public Health and Human Rights.

The research team then infected specially bred mice carrying G protein - coupled receptors and those without the receptor with an influenza virus — which is known to trigger asthma attacks in humans.

Scientists worry that if the virus infects many people, it may gain the ability to readily jump between humans, creating a pandemic.

Confocal microscopy of human neural stem cell culture infected with Zika virus (red).

The mutated, drug resistant H7N9 virus, however, was still able to infect cultured human cells and spread between laboratory animals as efficiently as nonmutated strains, researchers report December 10 in Nature Communications.

H7N9 is a strain of flu virus that normally infects birds but has spread to at least 779 humans in a number of outbreaks related to poultry markets.

The microbe may rarely infect people, but when it does, it may kill the human host, who becomes a literal dead end for the virus as well.

But the 263 known viruses that circulate in humans represent less than 0.1 percent of the viruses suspected to be lurking out there that could infect people, researchers report in the Feb. 23 Science.