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Tag: "infections" at biology news

Bioartificial kidney under study at MCG

...onically, some antibiotics patients need for these infections also can harm the kidneys. Even the contrast mediu...en healthy people on antibiotics for urinary tract infections develop renal failure; that's not uncommon, but it's most dreaded in the critically ill patient," Dr...

Fox Chase Cancer Center scientists identify immune-system mutation

...al for combating intracellular viral and bacterial infections (cell-mediated immunity) and also for helping other white blood cells (B cells, derived from bone marrow) generate antibodies against foreign agents that enter the body. Other T cells are known as killer cells because they attack foreign invaders mor...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...f those who are hosts to the parasite. "Intestinal infections are one of the major health problems in developing countries and the number of people who are infected with amoeba cysts is enormous," he says. Typically, those cysts are transmitted when people ingest contaminated food or water. The disease can cau...

Scientists Replicate Hepatitis C Virus in Laboratory

...people ?genotype 1, the major type of HCV of human infections worldwide and the type most resistant to current therapies. They constructed an HCV replica using a DNA copy of the original HCV single-strand RNA genome. They placed the DNA copy between two ribozymes, RNA molecules that have enzymatic function and ...

Novel antiviral technology inhibits RSV infection in mice

...ction, providing substantial protectionfrom severe infections over days to weeks."Dr. Mohapatra and his team developed nose drops containing vectorscapable of producing small fragments of RNA (siRNA). These fragmentswere encapsulated within chitosan nanoparticles -- minisculenaturally-occurring, biodegradable p...

Newly discovered virus linked to childhood lung disorders and Kawasaki disease

...drome; both the disease andrespiratory coronavirus infections are seasonal, peaking in the winterand spring; recent studies have described a powerful immune response inthe respiratory tract and other organs in acute cases of Kawasakidisease, suggesting the involvement of a specific microbe, which mayenter the b...

Study Links Ebola Outbreaks To Animal Carcasses

...t. Specifically, the researchers found that Ebola infections in wild animals such as gorillas, chimpanzees, and occasionally duikers (a diminutive antelope species), move across the human-wildlife divide through hunters taking either sick animals or carcasses for meat. Hunters can then spread the disease to fa...

Bacteria collection sheds light on urinary tract infections

...ontaminated with E.coli, can lead to urinary tract infections in women, according to a team of bacteriologists. ...10 million people are diagnosed with urinary tract infections each year. Women are more likely to get UTIs than men because it is easier for the bacteria to reach...

Scientists seek answers on what activates deadly anthrax spores

...om studying the bacteria that cause Staphylococcus infections and two other bacteria in the same group as anthrax. Claiborne said the group proposes that a vitamin B5 derivative known as Coenzyme A plays a crucial role in the germination of the anthrax spores. They have already shown that anthrax is missing a ...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...rain. "There is no magic bullet in fighting viral infections in neurons," said NYU Biology Professor Carol Shoshkes Reiss, the study's senior author. "However, these findings show the redundancy of the immune system--when one response fails to fight infection, others step in." The study was also conducted at ...

Antibiotic Resistant Bacterium Uses Sonar-like Strategy to “See?Enemies or Prey

...dinfections, to find new ways to treat them. These infections arefrequently resistant to many, and sometimes all, antibiotics. Tens ofthousands of deaths due to antibiotic resistant infection occur eachyear in the US, adding an estimated $ 4 Billion to health care costs.Scientist have known since 1934 that espe...

Researchers reveal the infectious impact of salmon farms on wild salmon

... whether salmon farms are contributing to sea lice infections of wild salmon at all. "Parasites are a key negative side effect of fish farms on the local fish stocks," says Andrew Dobson, an epidemiologist from Princeton University who researches infectious diseases in wildlife. "We're seeing similar effects i...

Molecular machine may lead to new drugs to combat human diseases

...ses such as some forms of cancer and opportunistic infections that plague HIV patients. Purdue University resea...e Group I introns, including the HIV opportunistic infections pneumocystis, a form of pneumonia, and thrush, an infection of tissues in the oral cavity. This make...

Female sex hormones play a vital role in defense against sexually transmitted diseases

...d effect on susceptibility to sexually transmitted infections as well as on the body's defense mechanisms agains...nst primary exposure to sexually transmitted viral infections may be very different than those that may be useful in vaccination strategies," said Kaushic. "Ther...

Study: Soap And Water Work Best In Ridding Hands Of Disease Viruses

...dings are important because health-care associated infections rank in the top five causes of death, with an estimated 90,000 deaths each year in the United States," Rutala said. "Hand hygiene agents have been shown to reduce the incidence of health-care associated infections, and a variety of hand hygiene agent...

HIV Infection Still On The Rise

...003 and 2004 compared with 2002, partly because of infections acquired abroad. Furthermore, each newly diagnosed HIV patient consumes £12,500 in healthcare costs each year, while the lifetime costs of care for the current 50,000 infected individuals in the United Kingdom, with a life expectancy of 20 years, is...

New SARS Protein Linked To Important Cell Doorway

...2002, it caused approximately 800 deaths and 8,000 infections in several Asian countries. Months before SARS became available for direct study, Washington University researchers used the SARS genome, finished a mere half-year after the first human infections, to look for potentially important viral proteins. A...

Study Models Impact Of Anthrax Vaccine

...ould byitself, prevent about 70 percent of anthrax infections from occurring,according to researchers from the Johns Hopkins Bloomberg School ofPublic Health. To increase the prevention rate to 90 percent, theirstudy found that at least 63 percent of the population would need to beimmunized with vaccine before ...

International trial of two microbicides begins

...face of the vagina to prevent sexually transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always ...

MetaChip provides quick, efficient toxicity screening of potential drugs

...face of the vagina to prevent sexually transmitted infections (STIs)--will one day be a key tool in the fight against HIV/AIDS. Women make up nearly half of all people living with HIV worldwide. "The majority of new cases of HIV infection in women result from heterosexual intercourse, but women may not always ...

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