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Tag: "preserving" at biology news

Expression Project for Oncology (expO) completes first phase of standardized gene expression analyses

...oordinators and expO, the success rate achieved in preserving these samples was 100%. Such well-preserved tissue allows the subsequent analysis to more precisely reflect the tumor’s biology. "We are very pleased with the significant successes the project has achieved in our first year,"?said Robert Penny, M.D....

NIH Calls on Scientists to Speed Public Release of Research Publications

... Zerhouni added. "NIH recognizes the importance of preserving quality peer review and the viability of a diversity of publishing models. Nevertheless, we expect that only in limited cases will authors deem it necessary to select the longest delay period." The NIH policy will achieve several important goals, in...

Infants With Rare Genetic Disease Saved by Cord Blood Stem Cells

... so timely diagnosis and treatment is essential to preserving brain and motor function." Children transplanted after onset of symptoms do stabilize but exhibit minimal neurologic improvement, said Maria Luisa Escolar, MD, of UNC-CH, whose team assessed the neurological, cognitive and physical development of ea...

Gladstone investigators discover how resting T cells avoid HIV infection

..., scientists would first need to determine whether preserving the antiviral shield provided by small A3G in activated and dividing CD4 T-cells does not produce any deleterious effects. These could include the early death of these cells or the creation of mutations in the chromosomes that might lead to cancer. ...

Infants with Rare Genetic Disease Saved By Cord Blood Stem Cells

... so timely diagnosis and treatment is essential to preserving brain and motor function." Children transplanted after onset of symptoms do stabilize but exhibit minimal neurologic improvement, said Maria Luisa Escolar, MD, of UNC-CH, whose team assessed the neurological, cognitive and physical development of ea...

Penn Researchers Use Robotic Surgery

...t on the ability to completely remove tumors while preserving speech, swallowing, and other key quality of life issues." In the first study, researchers used the daVinci Robot and "operated" on a mannequin. They found that, by applying simple instruments and retractors commonly used for tonsillectomy, the robo...

Two new retroviruses—transmitted from animals—identified

...t on the ability to completely remove tumors while preserving speech, swallowing, and other key quality of life issues." In the first study, researchers used the daVinci Robot and "operated" on a mannequin. They found that, by applying simple instruments and retractors commonly used for tonsillectomy, the robo...

Elderly mice yield clues to the process of growing old

...ut pharmaceutical interventions to retard aging by preserving mitochondrial function." ...

Aloe vera coating may prolong freshness, safety of fruits and vegetables

...some foods and beverages for years. In addition to preserving table grapes, which are highly perishable, the gel can be applied to other fruits and vegetables, they say. Further testing of the gel on other types of produce is anticipated. The gel also offers potential environmental benefits, the researchers ad...

Researchers discover key to human embryonic stem-cell potential

... keep them in this pluripotent state indefinitely, preserving them as a kind of cellular blank slate. The therapeutic goal then is to take these blank slates and coax them into, say, liver or brain tissue. But in order to guide them out of pluripotency with efficiency, we need to know what keeps them there to b...

Asian immigrants in NYC not receiving HIV education at religious institutions

...heir involvement could have a tremendous impact on preserving and protecting the health of New York City's Asian immigrants and those with whom they come in contact, Chin said. AIDS has reached epidemic proportions in parts of the Asia-Pacific region including China and India, with an estimated 8.2 million peop...

Normal chromosome ends elicit a limited DNA damage response

... "This demonstrates the importance of telomeres in preserving genome integrity and preventing cancer development." ...

Zooming in on the protein-conducting channel

...us ice, a glassy non-crystalline form of ice, thus preserving its native structure. Using an electron microscope with a low-intensity beam to avoid damaging the molecules, scientists then obtained images of thousands of captive protein complexes. Next, they used computer image analysis to produce detailed, thre...

Genetic analysis of Asian elephants in India reveals some surprises

...iversity--information that is crucial to plans for preserving the species. An earlier study of elephants in southern India by the same group identified two distinct populations where there was previously thought to be only one. A region known as the Palghat Gap, a wide pass through the Western Ghat mountain ran...

Scientists show how thinking can harm brain cells

...e phases of neurodegenerative diseases than simply preserving the cell body," Gelbard said. ...

Powerful technique for multiplying adult stem cells may aid therapies

...m cells, yet appeared to interact with stem cells, preserving and allowing them to multiply in the fetal environment. When he isolated the stem cells in the lab and cultured them in a dish by themselves, they died. When he mixed them with these newly discovered cells, they thrived. But how did these new cells m...

International HIV/AIDS trial finds continuous antiretroviral therapy superior to episodic therapy

...T--with the aims of reducing drug side effects and preserving treatment options--whenever their CD4+ cells were above 350 cells/mm3. (For more details see http://www.smart-trial.org ). The trial involved an international collaboration of 318 clinical sites in 33 countries. It began enrollment in January 2002 ...

Report finds cruise industry is protecting the precious places it visits

...sure a sustainable future for cruise tourism while preserving cruise destinations, according to a new report titled From Ship to Shore: Sustainable Stewardship in Cruise Destinations issued by Conservation International's (CI) Center for Environmental Leadership in Business (CELB). From Ship to Shore examines ...

New mechanism for essential genome-wide gene silencing identified

...uses and other potentially damaging entities, thus preserving genetic integrity. In a new study, researchers at The Wistar Institute and colleagues have identified an important new global mechanism for this essential gene silencing, or gene repression. A report on the findings appears in the April 15 issue of ...

Slow-frozen people? Latest research supports possibility of cyropreservation

...c society. In medicine, cryopreservation involves preserving organs and tissues for transplantation or other uses. Only certain kinds of cells and tissues, including sperm and embryos, currently can be frozen and successfully rewarmed. A major problem hindering wider use of cyropreservation is formation of ice...

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