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Tag: "infectious" at biology news

Protein discovery could unlock the secret to better TB treatment

...ultidrug resistance. Left untreated, a person with infectious TB of the lungs infects around 10 to 15 people every year. In a study published on 1st March 2005 in Nature Structural & Molecular Biology, a combined team discovered the structure of a protein known as resuscitation promoting factor (Rpf). Five...

Scientists Replicate Hepatitis C Virus in Laboratory

...ciences (PNAS). “Until recently, research on this infectious disease has suffered from the lack of a robust in vitro model system,?says T. Jake Liang, M.D., Chief of the Liver Diseases Branch of the NIDDK and co-author of the study. “Our model system produced viral particles that have all the properties of the...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

... beespecially useful in detection and treatment of infectious organismsthat could be used by terrorists....

Researchers reveal the infectious impact of salmon farms on wild salmon

...miologist from Princeton University who researches infectious diseases in wildlife. "We're seeing similar effect...salmon, the farm is a concentrated point source of infectious lice larvae. "We found lice levels exceeded what we would find normally, extending for 30 km ?even ...

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

...re currently discussing the design of a study with infectious disease clinicians in Hamilton, which may begin in as early as the next few months. Additionally they will be looking at issues of co-infection with both HIV-1 and HSV-2 which is a big problem clinically. The two studies were posted online on the Jo...

Scientists decipher genome of fungus that can cause life-threatening infections

... to researchers working to understandand cure this infectious disease." He says the genome sequence hasenabled more rapid gene identification, fueled genome wide insertionalmutagenesis approaches, and provided the foundation for the developmentand implementation of a genetic map for quantitative genetics andpop...

Nanogen Issued Patent for Electronic Microarray With Memory

...alyte specific reagents to develop tests to detect infectious diseases, drug toxicity and mutations associated with cancer, cardiovascular and genetic diseases. The next generation instrument system, the NanoChip(R) 400, is expected to be available in 2005. Nanogen's subsidiary SynX offers a line of point-of-ca...

New studies suggest airborne SARS transmission is possible

...on, according to Dr. Yu, "no other known routes of infectious diseases transmission could adequately explain the spread of the disease in the outbreak, and hence we feel that the evidence is quite strong." An editorial accompanying the Toronto study, by Tommy Tong, MBBS, of Princess Margaret Hospital in Hong K...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...e cells against their designated target. Specific infectious organisms or other foreign substances stimulate T cells to divide and multiply in order to form an attacking army. However, the sjTRECs don't multiply when the original T cells divide and multiply. Instead, the more T cells that are produced in the b...

Scientists identify new model Of NK cell development

...t are the first line of defense against cancer and infectious diseases. Scientists have believed for years that human NK cells are generated in bone marrow, but Michael Caligiuri, director of the OSU Comprehensive Cancer Center and the senior author of the study, says research in his laboratory shows that the ...

International HapMap consortium expands mapping effort

...e to good health, such as those protecting against infectious diseases or promoting longevity. "We are excited by the opportunity to apply our technology to all publicly available SNPs. This effort is so important that Perlegen is willing to contribute some of its own resources to make this possible," said Kel...

Researchers develop rapid diagnostic tool for pathogen identification

...g PCR,?that can simultaneously screen for multiple infectious agents. The new technology is addressed in a paper...nology platform addresses important challenges for infectious disease identification—sensitivity and breadth. Mass Tag PCR provides the ability to be precise in i...

Yale researchers identify molecule for detecting parasitic infection in humans

... the study provides insight into understanding how infectious parasites interface with the immune system--a problem of great scientific and clinical importance. Most infections are caused by bacterial or viral microorganisms that produce molecules quite different from those produced by humans and other eukaryo...

NASA links nanobacteria to kidney stones and other diseases

...s environments. NB is also shown to possibly be an infectious risk for crew members living in close quarters. "The concept that nanobacteria are living organisms is still controversial because the research on their putative nucleic acid has not been completed yet," states lead researcher Neva Ciftcioglu, Ph.D....

Substance protects resilient staph bacteria

...h. S. epidermidis is one of several hard-to-treat infectious agents that can be transmitted to patients in hosp...rch under way elsewhere on Bacillus anthracis--the infectious agent of anthrax, which also produces PGA--will complement their work. The report of the study, led...

Epstein-Barr virus protein crucial to its role in blood cancers

...carcinoma, and also causes the well-known disease, infectious mononucleosis. As many as 95 percent of adults 20 years and older have been infected with EBV, but show no symptoms. "Viruses that are associated with cancers typically target the cell cycle to gain control," says Robertson. "However, this is the fi...

Defensins neutralize anthrax toxin

...carcinoma, and also causes the well-known disease, infectious mononucleosis. As many as 95 percent of adults 20 years and older have been infected with EBV, but show no symptoms. "Viruses that are associated with cancers typically target the cell cycle to gain control," says Robertson. "However, this is the fi...

Fibril Shape Is The Basis Of Prion Strains And Cross-species Prion Infection

New research on prions, the infectious proteins behind "mad cow" disease and Creutzfeld-J...ormally folded protein itself appears to act as an infectious agent, transmitting disease without a DNA or RNA genome such as in a virus. Although disease prions ...

Stopping smallpox in its tracks: A new anti-viral approach

...ition of host cell signaling pathways exploited by infectious agents represents a new avenue for development of anti-viral therapeutics. These inhibitors, which are already in use in human anti-tumor therapy, may have widespread applications in human viral infections and protection from smallpox. These findings...

Light therapy may combat fungal infections, new evidence suggests

A newly discovered mechanism by which an infectious fungus perceives light also plays an important role in its virulence, according to Howard Hughes Medical Institute investigators at Duke University Medical Center. The findings suggest that changes in light following fungal invasion of the human body...

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