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Infection in Biological News

Researchers capture bacterial infection on film

Researchers have developed a new technique that allows them to make a movie of bacteria infecting their living host. Whilst most studies of bacterial infection are done after the death of the infected organism, this system developed by scientists at the University of Bath and University of Exet...

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

This release is available in Chinese . Researchers in Israel and Kenya have shown that the contribution of variable degrees of immune suppression, either due to existing chronic infections such as parasitemi...

Low levels of vitamin D linked to common vaginal infection in pregnant women

PITTSBURGH, May 22 Pregnant women with low levels of vitamin D may be more likely to suffer from bacterial vaginosis (BV) a common vaginal infection that increases a woman's risk for preterm delivery, according to a University of Pittsburgh study. Available online and published in the June issue...

Novel antibody prevents infection by hepatitis C virus

Boston, Mass. Taking aim at a leading cause of liver failure in the United States, a team of scientists at the Massachusetts Biologic Laboratories (MBL) of the University of Massachusetts Medical School (UMMS) has developed a human monoclonal antibody that neutralizes the Hepatitis C virus (HCV...

Tufted bacteria cause infection in premature babies

Bacteria that normally reside on the skin of healthy people can cause serious infections in premature babies. A group of researchers at the Swedish medical university Karolinska Institutet have now found an explanation for why a certain kind of staphylococcus can attach itself to the skin and quic...

Implants mimic infection to rally immune system against tumors

CAMBRIDGE, Mass., Jan. 22, 2009 -- Bioengineers at Harvard University have shown that small plastic disks impregnated with tumor-specific antigens and implanted under the skin can reprogram the mammalian immune system to attack tumors. The research -- which ridded 90 percent of mice of an aggre...

New research lights up chronic bacterial infection inside bone

December 22, 2008, Cambridge, UK A new report demonstrates how a sensitive imaging technique gives scientists the upper hand in seeking out bacteria in chronic infections. Listeria monocytogenes is a type of pathogenic bacteria that can cause severe illness and death. Listeria outbreaks rece...

New approach to treating cystic fibrosis lung infection shows promise

Toronto, ON (September 22, 2008) Researchers at the University of Calgary have found a new method of fighting severe lung infections in people with cystic fibrosis (CF). These findings are published in Proceedings of the National Academy of Science USA, this week. Communities of bacteria gr...

New step forward in search for solution to infection puzzle

Scientists at the University of York have helped to reveal more about the way bacteria can attach to human tissues. The study could help in the development of new treatments for serious heart conditions such as infective endocarditis. The researchers studied the way a protein found on the ...

Study findings show infection control intervention helps keep kids in school

BOSTON, June 2, 2008 A study from researchers at Children's Hospital Boston published in Pediatrics found that a simple infection control intervention in elementary schools disinfecting frequently-touched surfaces and using alcohol-based hand sanitizers helped reduce illness-related student abs...

HIV infection stems from few viruses

BIRMINGHAM, Ala. A new study reveals the genetic identity of human immunodeficiency virus (HIV), the version responsible for sexual transmission, in unprecedented detail. The finding provides important clues in the ongoing search for an effective HIV/AIDS vaccine, said researchers at the Unive...

Early treatment of stomach infection may prevent cancer

PHILADELPHIA Based on research using a new mouse model of gastritis and stomach cancer, researchers from the Massachusetts Institute of Technology (MIT) say that prompt treatment of Helicobacter pylori (H. pylori) infections reverses damage to the lining of the stomach that can lead to cancer. ...

Ugandan monkeys harbor evidence of infection with unknown poxvirus

Researchers report this month that red colobus monkeys in a park in western Uganda have been exposed to an unknown orthopoxvirus, a pathogen related to the viruses that cause smallpox, monkeypox and cowpox. Most of the monkeys screened harbor antibodies to a virus that is similar but not identica...

The Uukuniemi virus helps to explain the infection mechanism of bunyaviruses

The Uukuniemi virus helps to explain the infection mechanism of bunyaviruses causing hemorrhagic fevers and encephalitis A researcher group comprising Juha Huiskonen from the University of Helsinki and structural biologists from the Karolinska Institutet in Stockholm and the Max Planck Biochemi...

Hand hygiene initiative aims to decrease healthcare-associated infection in developing countries

An open-access commentary in the December 2007 issue of Infection Control and Hospital Epidemiology examines a recently launched a global initiative by the World Health Organization (WHO) to combat healthcare-associated infection by improving hand hygiene in health care. The commentary is part of ...

Clearance of hepatitis C viral infection after liver transplantation

Touching stories of living donor transplantation are continuously happening in hospitals. One of these stories is reported recently in the August 14 issue of the World Journal of Gastroenterology because of its shining significance in hepatology. This article is going to bring comfort to many fami...

Bleeding, not inflammation, is major cause of early lung infection death

Researchers believe they have discovered why a bacterial lung infection is so lethal in the early stages, and its not what medical authorities had thought, according to research published August 23 in the journal Immunity. The study reveals for the first time that a toxin released by bacteria caus...

Risk of common vaginal infection linked to preterm birth appears higher for blacks

BOSTON, Aug. 11 Risk of a common vaginal infection linked to preterm birth appears to escalate when even one partner is African-American, according to a University of Pittsburgh School of Medicine study presented today at the 34th annual meeting of the Infectious Diseases Society for Obstetrics a...

Stress signals link pre-existing sickness with susceptibility to bacterial infection

Mitochondrial diseases disrupt the power generating machinery within cells and increase a person's susceptibility to bacterial infection, particularly in the lungs or respiratory tract. A new study published in Disease Models & Mechanisms (DMM), shows that infection with the pneumonia causing ba...

Forsyth scientists suggest linkages between obesity and oral bacterial infection

A scientific team from The Forsyth Institute has discovered new links between certain oral bacteria and obesity. In a recent study, the researchers demonstrated that the salivary bacterial composition of overweight women differs from non-overweight women. This preliminary work may provide clues to...

Fruit and vegetable intake in pregnant women reduces risk of upper respiratory tract infection

(Boston) Boston University School of Medicine researchers (BUSM) have observed in a study of pregnant women that consumption of at least seven servings per day of fruits and vegetables moderately reduced the risk of developing an upper respiratory tract infection (URTI). The BUSM study appears o...

Harvard scientists solve mystery about why HIV patients are more susceptible to TB infection

A team of Harvard scientists has taken an important first step toward the development of new treatments to help people with HIV battle Mycobacterium tuberculosis (TB) infection. In their report, appearing in the July 2009 print issue of the Journal of Leukocyte Biology ( http://www.jleukbio.or...

Caltech scientists show why anti-HIV antibodies are ineffective at blocking infection

PASADENA, Calif.--Some 25 years after the AIDS epidemic spawned a worldwide search for an effective vaccine against the human immunodeficiency virus (HIV), progress in the field seems to have effectively become stalled. The reason? According to new findings from a team of researchers from the Cali...

West Nile virus studies show how star-shaped brain cells cope with infection

A new study published as the cover article for the April 2009 issue of The FASEB Journal ( http://www.fasebj.org ) promises to give physicians new ways to reduce deadly responses to viral infections of the brain and spinal cord. In the report, scientists from Columbia University, NY, detail for...

Blue light destroys antibiotic-resistant staph infection

New Rochelle, NY, January 29, 2009Two common strains of methicillin-resistant Staphylococcus aureus , commonly known as MRSA, were virtually eradicated in the laboratory by exposing them to a wavelength of blue light, in a process called photo-irradiation that is described in a paper published on...

Research elucidates way lungs fight bacteria and prevent infection

NEW YORK (Jan. 23, 2009) Actor and pancreatic cancer patient Patrick Swayze's recent hospitalization with pneumonia as a result of his compromised immune system underscores the sensitivity of the lungs: many patients die from lung complications of a disease, rather than the disease itself. Lun...

Researchers identify potential new weapon in battle against HIV infection

(Toronto, Ontario, Canada) January 12, 2009 -- Researchers have discovered a potentially important new resistance factor in the battle against HIV: blood types. An international team of researchers from Canadian Blood Services, The Hospital for Sick Children (SickKids) and Lund University in Swed...

Vitamin D found to fight placental infection

In a paper available at the online site of the journal Biology of Reproduction , a team of UCLA researchers reports for the first time that vitamin D induces immune responses in placental tissues by stimulating production of the antimicrobial protein cathelicidin. The study involved exposing c...

A novel target for therapeutics against Staph infection

Researchers at the Texas A&M Health Science Center Institute of Biosciences and Technology, and the University of Edinburgh have uncovered how a bacterial pathogen interacts with the blood coagulation protein fibrinogen to cause methicillin-resistant Staphylococcus aureus (MRSA) infections, a fi...

GUMC researchers hone in on new strategy to treat common infection

Washington, DC -- Researchers at Georgetown University Medical Center (GUMC) have successfully tested a genetic strategy designed to improve treatment of human infections caused by the yeast Candida albicans , ranging from diaper rash, vaginitis, oral infections (or thrush which is common in HIV/...

MU scientists 'see' how HIV matures into an infection

COLUMBIA, Mo. After improving the sensitivity of nuclear magnetic resonance (NMR), researchers at the University of Missouri actually watched the HIV-1 protease mature from an inactive form into an active infection. This process has never been directly visualized before. The findings appear today...

Control switches found for immune cells that fight cancer, viral infection

July 9, 2008 -- Medical science may be a significant step closer to climbing into the driver's seat of an important class of immune cells, researchers at Washington University School of Medicine in St. Louis report in Nature Immunology . The researchers showed that a single protein, HS1, enabl...

USC School of Dentistry researchers uncover link between osteoporosis drugs and jaw infection

A group of University of Southern California School of Dentistry researchers says it has identified the slimy culprits killing the jawbones of some people taking drugs that treat osteoporosis. Microbial biofilms, a mix of bacteria and sticky extracellular material, are causing jaw tissue infect...

UC Davis researchers discover how HIV turns food-poisoning into lethal infection

(SACRAMENTO, Calif.) Nearly half of all HIV-positive African adults who become infected with Salmonella die from what otherwise would be a seven-day bout of diarrhea. Now, UC Davis School of Medicine scientists have discovered how salmonella becomes lethal for AIDS patients. Their findings also i...

Disrupting common parasites' ability to 'talk' to each other reduces infection

St. Louis, Jan. 9, 2007 One of the most common human parasites, Toxoplasma gondii, uses a hormone lifted from the plant world to decide when to increase its numbers and when to remain dormant, researchers at Washington University School of Medicine in St. Louis have found. The scientists repor...

Study of sugars on cell surface identifies key factor in flu infection

Scientists have identified a key factor that determines the ability of influenza viruses to infect cells of the human upper respiratory tracta necessary step for sustaining spread between people. The research, described in the January 6 online edition of Nature Biotechnology and funded by the Nati...

Who will recover spontaneously from hepatitis C virus infection

More than 3% of world population is infected with hepatitis C virus (HCV). The outcome of HCV infections is either self recovery or chronic hepatitis, and many of the chronic infections will develop into liver cirrhosis or liver cancer. Since there is no cure for chronic hepatitis C, nor is there ...

New vaccine prevents CMV infection and disease in mice

Researchers at the University of California, San Diego (UCSD) Skaggs School of Pharmacy and Pharmaceutical Sciences have patented a strategy for developing a human vaccine to prevent against Human Cytomegalovirus (hCMV) infection and disease. CMV, a type of herpes virus, is the leading viral c...

Toxoplasmosis infection trick revealed by scientists

Toxoplasmosis is a parasitic disease, primarily carried by cats. It is transmitted to humans by eating undercooked meat or through contact with cat faeces. It is particularly dangerous for pregnant women, whose foetuses can be infected via the placenta, and those with a weakened immune system, such...

Herpes infection may be symbiotic, help beat back some bacteria

Mice with chronic herpes virus infections can better resist the bacterium that causes plague and a bacterium that causes one kind of food poisoning, researchers report in this week's Nature. Scientists at Washington University School of Medicine in St. Louis attributed the surprising finding to c...
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