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Tag: "proves" at biology news

Study Links Ebola Outbreaks To Animal Carcasses

... in animal populations and humans. "This research proves that hunting and consumption of great apes represent a serious health risk for people in Central Africa, and a risk that can be avoided," said Dr. William Karesh, field veterinarian for the Wildlife Conservation Society and a co-author on the paper. ...

Jefferson Virologists Coax HIV Out of Hiding

... and the body’s immune system. Ifthe new technique proves its mettle, the work could lead to improvedtreatments for HIV infection, and might be a step toward complete viraleradication. TheJefferson team reports its findings January 4, 2005 in the Journal ofClinical Investigation.Dr. Pomerantz, who is direc...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...ithin the growing army of these immune cells. This proves that high levels of sjTREC in blood means that a large number of stem cells have been converted to parent T cells--each of which targets a specific foreign substance, according to Rupert Handgretinger, M.D., Ph.D., director of Stem Cell Transplantati...

UCLA scientists transform HIV into cancer-seeking missile

...director of the UCLA AIDS Institute. "Our approach proves that it is possible to develop an effective carrier and reprogram it to target specific cells in the body." The UCLA team employed a two-step approach to transform HIV into a cancer-seeking machine. First, the scientists used a version of HIV from w...

New methods of gene delivery using lasers

...cell types to see how widely applicable the method proves to be.?/p> The study is part of a new interdisciplinary initiative funded by SHEFC (Scottish Higher Education Funding Council) and the EPSRC (Engineering and Physical Sciences Research Council) which aims to use light to enhance our understanding...

Rush Physicians Using Gene Therapy For Heart Patients With Moderate To Severe Chest Pains Who Do Not Benefit From Other Treatments

...r bypass operation, noted Schaer. "If gene therapy proves to be safe and effective, it will represent an important new approach to improve the quality of life in these seriously ill patients with refractory chest pain," said Dr. R. Jeffrey Snell, study co-investigator and Schaer's colleague at Rush. In the...

Chemists identify immune system mechanism for methamphetamine binges

... to the researcher. "If the mechanism we proposed proves true in humans, then it will help explain why addicts go on prolonged binges, requiring more frequent intake and ever-increasing amounts of the drug in order to achieve a high," says Janda, who led the study with his former student, Tobin Dickerson, ...

Double triumph in stem cell quest

...njuries to an inherited immune condition. The work proves that matching ESCs can be derived via therapeutic cloning from donors of any age and sex. "This is an enormous stride in the long journey to determine whether nuclear-transfer-derived human embryonic stem cells might be eventually suitable for trans...

A New Species of Monkey is Discovered in Tanzania: The First in Africa for More Than 20 Years

...iety of titi monkey in Bolivia. “This discovery proves that there is still so much to learn about the more remote and less well-known areas of Tanzania, and Africa as a whole. Having been so involved in the creation of the Park, and the conservation of Mt Rungwe, it has been very exciting for us to help...

Bobbing birds do it for a reason

...benefits the birds and under what circumstances it proves useful have remained uncertain. Researchers this week report findings that strongly suggest that for some birds head bobbing is critical for the stabilization of their visual world, despite the motion of their bodies, and thereby enables the accurate...

15-year hunt finds cause of pseudothalidomide syndrome

...pril 10 advance online section of Nature Genetics, proves that genes behind very rare inherited diseases can now be found, offering excellent opportunities to strengthen understanding of craniofacial and limb development, health and disease beyond the rare disease itself, say the researchers. Because of ad...

Missing Receptor Molecule Causes Tumor Growth

...hese cells react particularly badly to TRAIL. This proves that the missing receptor and not the missing signal can contribute significantly to tumor growth. Silenced Genes Further tests proved why there was such a small number of receptors. Prof. Krainer: "There can be two reasons for the loss of a recepto...

Nanoparticles carry cancer-killing drugs into tumor cells

...hese cells react particularly badly to TRAIL. This proves that the missing receptor and not the missing signal can contribute significantly to tumor growth. Silenced Genes Further tests proved why there was such a small number of receptors. Prof. Krainer: "There can be two reasons for the loss of a recepto...

'Underground' tunnels discovered as means for communication between immune system cells

...can be so exquisitely swift. The research not only proves cells other than neurons are capable of long-distance communication, but it reveals a hereto-unknown mechanism cells use for exchanging information. Blood-derived dendritic cells and macrophages, both antigen-presenting cells, make use of these so-c...

Variant prion protein causes infection but no symptoms

... only small clumps are toxic?" If this hypothesis proves correct, Dr. Chesebro says, the ongoing research could eventually alter scientists' views on preventing prion diseases, shifting emphasis away from stopping the production of prion protein clumps and toward preventing interactions with prion protein ...

A new link between stem cells and tumors

...after generation, with similar effects. The study proves that specific genes in stem cells ?those which control the fates of daughter cells ?are crucial. If such genes are disrupted, the new cells may no longer be able to control their reproduction, and this could lead to cancer. "It puts the focus on the ...

War on terror meets war on cancer

...the study's principal author. If future research proves the same thing is true in mammalian cells, then the difference in isotopic makeup of water inside and outside of rapidly growing cells might be used to detect fast-growing cancer cells in the brain or other hard-to-biopsy areas of the body, or study ...

Engineered Stem Cells Show Promise For Sneaking Drugs Into The Brain

...ding to Svendsen. The new study, Svendsen argues, proves that progenitor cells -- cells that can now be made in large quantities in the laboratory -- can be crafted to help clinicians deliver drugs where they are needed most in the body. Delivering medicine to the brain, whose blood-brain barrier effective...

Access to existing medical treatments could save more lives than spending to improve the treatments

... of Family Medicine, said a mathematical construct proves the point. They used two case studies -- one involving statins and the other antiplatelet drugs -- to show that the billions of dollars spent on new generation drugs saved fewer lives and prevented fewer strokes than if the existing drugs had been ta...

Men and women differ in brain use during same tasks

The comedians are right. The science proves it. A man's brain and a woman's brain really do work differently. New research from the University of Alberta shows that men and women utilize different parts of their brains while they perform the same tasks. The results of the research are report...

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