Tag: "weakened" at biology news

Marijuana component opens the door for virus that causes Kaposi's sarcoma

...esearch, offer cautionary evidence that those with weakened immune systems should speak with their doctors bef... about using marijuana, in any form, if you have a weakened immune system, said lead study author Jerome E. Groopman, M.D., professor of medicine at Harvard Med...

Einstein researchers' prototype vaccine could provide improved protection against tuberculosis

...ked that gene out of the TB chromosome, creating a weakened mutant strain of the bacterium. When the mutant TB strain was injected into laboratory animals, infected cells underwent apoptosis, eliciting a strong and long-lasting T-cell response against the bacteriajust what is needed from an effective TB vacci...

UF to lead research on life-threatening fungus

...rmously in the 1990s, Wingard said, and those with weakened immune systems are particularly susceptible. Aspergillosis is the leading cause of death from infection in bone marrow transplant and leukemia patients, as well as among those who receive certain other solid organ transplants, he said. About 15 perce...

Study points to new way to predict death risk from torn aorta

...ause they involve a bulge in the aorta formed by a weakened area of blood vessel, but the layers of the vessel wall stay together. The patients were mostly male and in their 60s. Nearly all the patients were diagnosed within a day of arrival at the hospital, using cross-sectional imaging techniques such as...

Study identifies new gene therapy tools for inherited blindness

...lthy gene to a patient's cells, which is usually a weakened virus; and then you also need additional DNA elements that turn on the healthy gene in the right cells and at the right levels." Corbo and colleagues used a computational analysis of DNA to look for elements that can turn on genes in the eye's light...

Immune system 'escape hatch' gives cancer cells traction

...s have to date been plagued by T-cell tolerance, a weakened rather than strengthened immune response, says Jonathan Schneck, M.D., Ph.D., one of the studys authors. Our findings also open up a new door in drug and vaccine development that we never knew existed and provide another opportunity for drug develo...

Elevated CO2 in atmosphere weakens defenses of soybeans to herbivores

...ica). Furthermore, as these beetles consumed the weakened soybeans, the insects invasive abilities were intensified. Dr. Jorge Zavala, Sr. of the Institute for Genomic Biology at the University of Illinois, and his colleagues conducted tests in which they evaluated this herbivorous attack-defense cycle. ...

Specific type of cell death may accelerate decompensated heart failure

...ss, may paradoxically cause harm to hearts already weakened by disease, researchers from UT Southwestern Medical Center have found. In certain forms of heart disease, autophagy is taking place, but how much of it is occurring and whether it participates in disease pathogenesis is unknown, said the studys s...

Tick-related disease thrives on cholesterol, study suggests

...ction could kill an older person or someone with a weakened immune system. She added that immune function slowly declines and blood cholesterol levels typically increase as we age. The researchers report their findings in a recent issue of the Journal of Infectious Diseases. Rikihisa conducted the study w...

Fever after smallpox vaccination tied to individual genetic variations

...nue to get the vaccine. It is made with a live but weakened vaccinia virus that provides immunity against smallpox but which can cause complications ranging from fever and fatigue to more serious illness. About 15 percent of those being vaccinated for smallpox for the first time develop a fever over 99 degree...

New bacterium discovered -- related to cause of trench fever

...as soon as possible particularly for those with a weakened immune system, who can die from the infection, she says. Also, different Bartonella species respond to different drugs, so it is essential to explore further and pinpoint which one is involved. The cat scratch bacteria and the one that brought dow...

Innovative smallpox vaccine research study to be conducted at Case Medical Center

...s different from Dryvax in that it contains a more weakened form of the live-virus within the vaccine. Because the vaccine is weakened, the side effects should be minimized enough to give the vaccine to all individuals, even those whose immune systems are suppressed, says Dr. Salata. Our hope is that the n...

Salmon tracking program expands to California

... of healthy stocks while mitigating the harvest of weakened runs. The ultimate goal is to avoid shutting down ...re coastal fishery as happened in 2006 to protect weakened runs from the Klamath River, say Oregon State University researchers who are leading the study. "E...

Getting to the core of an emergent public health threat

...0 people, killed 10 percent of those infected, and weakened most with pneumonia. "The SARS outbreak was a strong reminder that new viruses can emerge, and whether new or old, pathogens can cause not only significant disease and death, but they can also have a global socioeconomic impact," said Brenda Hogue...

Toxoplasmosis infection trick revealed by scientists

...can be infected via the placenta, and those with a weakened immune system, such as people infected with HIV. I...ffected dont have any symptoms. But for those with weakened immune systems, and unborn babies, toxoplasmosis can cause very serious health problems....

UF scientists identify cancer virus' genetic targets

...d in greater numbers in people with immune systems weakened by human immunodeficiency virus infection and AIDS. At its peak, about a quarter of sexually active men with AIDS developed Kaposis sarcoma, but that rate of occurrence dropped dramatically with more effective treatment of HIV infection, according ...

New Brandeis research sheds light on memory by erasing it

...thened. The new research shows how synapses can be weakened by attacking memory molecules. Lisman's lab plans further research to better understand what happens to the CaMKII after it is attacked. By using fluorescent forms of CaMKII, it will be possible to determine whether the kinase leaves the synapse a...

Researcher receives $1.8M AIDS-related grant

...y, or PML. A disease that afflicts patients with a weakened immune system, PML kills by, essentially, causing the brain's neurons to short-circuit. Aggressive and incurable, PML can kill a patient just a few months after the onset of symptoms. The brain-wasting disease can occur even in patients whose AIDS is...

BDSI announces positive phase III clinical trial results

...ho may also have oral ulcerations as a result of a weakened immune system." "Once we have the remainder of the data analyzed, including the secondary efficacy parameters, our plan will be to submit the data to a scientific conference for presentation. We will do that at the first available opportunity and ...

Brain networks strengthened by closing ion channels

...ory-based functions declines with normal aging, is weakened in people with ADHD, and is severely disrupted in disorders such as schizophrenia and bipolar disorder. The current study found that brain cells in PFC contain ion channels called hyperpolarization-activated cyclic nucleotide-gated channels (HCN), th...

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(Date:8/1/2014)... of a new study, including two Simon Fraser ... industry representatives and policymakers must collaborate closely on ... gas development. Viorel Popescu and Maureen Ryan, David ... Sciences department, are among eight international co-authors of ... Ecology and the Environment . , Shale gas ...
(Date:7/31/2014)... AMHERST, Mass. A first-of-its-kind study of bigeye tuna ... Lutcavage, director of the Large Pelagics Research Center at ... that these fish cover a wide geographical range with ... shelf, and they favor a high-use area off Cape ... research, which used a new approach to study one ...
(Date:7/31/2014)... Latinos are the largest minority group in the United ... of Latinos are obese and are 1.2 times as ... , NYU College of Nursing student researcher Lauren Gerchow, ... factors that contribute to this problem by compiling a ... patterns in Latina women recently published in Nursing ...
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