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Tag: "focused" at biology news

Energy management in cells may hold key to cancer defense

...oles in the workings of most animal cells. He has focused much of his research on the AMP-activated kinase (AMPK) which responsible for managing energy within cellular pathways. "A cell's energy level is critical to its survival," explains Witters, who likens a low-energy cell to a car with no gas in its ...

Discovery suggests why stem cells run through stop signs

...ivision. In their work, Carthew and Ruohola-Baker focused on fruit flies, which have approximately 80 types of microRNAs. They genetically modified stem cells from the fruit flies' ovaries and studied how many egg chambers the mutant stem cells produced as compared to normal stem cells. The production rate ...

Rensselaer researchers develop approach that predicts protein separation behavior

...ge a multidisciplinary mix of faculty and students focused on the application of engineering and physical and information sciences to the life sciences. Ranked among the world's most advanced research facilities, Rensselaer's Center for Biotechnology and Interdisciplinary Studies provides a state-of-the-art ...

Primate virus jumps species barrier to humans for first time in Asia

...t majority of previous viral transmission research focused on bushmeat hunting and consumption, a practice in which local residents hunt monkeys for food. HIV, the virus that causes AIDS in humans, is believed to have originated as simian immunodeficiency virus (SIV), and jumped the species barrier to humans...

Team of international scientists departs today to discover the unknown in China's Himalayan region

...und supports non-profit conservation organizations focused on endangered animals and their habitats. The fund will specifically be involved in this expedition to work with local eastern Himalayan scientists and students to identify as many specimens as possible. ...

Sleeping beauty plays a significant role in identifying cancer genes

... Minnesota Cancer Center research team. Their work focused on cancer gene discovery in solid tumors using transposon-based techniques. "Current cancer gene identification methods, such as microarrays, give correlations typically of thousands of genes, and it's hard to know from the correlations which genes ...

Insight into our sight: A new view on the evolution of the eye lens

... relies on the ability of our eye to form a clear, focused image on the retina. The critical component in focusing is the eye lens, and the physical properties that underlie the transparency of the lens, as well as its ability to precisely refract light, arise from the high concentrations of special proteins...

Several minute intermediate stage in virus-cell fusion discovered; opportunity for drug development

...able. Thus, antiviral drug development has largely focused on preventing events that happen either before or after this step. However, a multi-institutional team of researchers is reporting that it has detected an intermediate stage between the virus' merger with the cell membrane and the microbe's delivery...

Women cautioned against using herbal supplements

...ects and lead to health problems. Yet, there is no focused safety testing of herbal medicines or even reporting system for adverse effects, so when people do have adverse effects, there's no mechanism to pool that data." Warren said that researchers used to think that estrogen-like compounds from plants, ca...

Menopause Symptoms May Come Back After Stopping Menopausal Hormone Therapy

...ects and lead to health problems. Yet, there is no focused safety testing of herbal medicines or even reporting system for adverse effects, so when people do have adverse effects, there's no mechanism to pool that data." Warren said that researchers used to think that estrogen-like compounds from plants, ca...

UQ researcher tracking key to healing the brain

...r two years at NeuroSpheres Ltd, a biotech company focused on using stem cells to repair the brain, before coming to Australia to do his PhD under Professor Perry Bartlett at the Walter and Eliza Hall Institute in Melbourne. Dr Rietze followed Professor Bartlett to UQ when the QBI was established in 2003, ...

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...n the Amazon jungle of western Peru. The research focused on devil's gardens, mysterious tracts of vegetation that randomly appear in the Amazonian rainforest. "Devil's gardens are large stands of trees in the Amazonian rainforest that consist almost entirely of a single species, Duroia hirsuta, and, accor...

Visceral Leishmaniasis: Successful Vaccine Trial In Dogs

...ograms (three out of three). The researchers also focused on the changes to the immune system brought on by the vaccination. Laboratory experiments showed that the effectiveness of the vaccine stems from the activation of certain cells of the immune system, the T lymphocytes of type Th1. These induce the in...

UCR biochemist goes to Washington with high-protein corn

...t year in The Plant Journal. Though their research focused on feed corn, the technology can easily be applied to sweet corn, a sugar-rich mutant strain of regular corn. ...

Scientists discover gene that controls speed of tuberculosis development

...rching why and how this happens. The new research focused on NRAMP1--a gene already known to be involved in many other illnesses, including diseases as diverse as leprosy and rheumatoid arthritis. "We discovered that variants (alleles) of the NRAMP1 gene control the speed at which tuberculosis develops, rat...

Toxic flood lifts lid on common urban pollution problem

...ts remain under investigation, public scrutiny has focused on broken sewer pipes and other major failures in the city's infrastructure attributed to Hurricane Katrina. Though these are certainly real problems, it's also highly likely that the stagnant waters are contaminated because they've soaked up "legacy...

Genomics researchers discover protein deficit that causes drug toxicity

...o explain the mystery of thiopurine metabolism had focused on biochemical mechanisms -- not changes in protein levels. Background Researchers have known for decades that 1 in 300 patients of Caucasian European genetic background has two copies of the variant gene -- specifically, a switch in 2 out of 245 a...

Gradient guides nerve growth down spinal cord

...with about 11,000 new cases each year. This study focused on corticospinal neurons, which control voluntary movements and fine-motor skills. These are some of the longest cells in the body. The corticospinal neurons connect to groups of neurons along the length of spinal cord, some of which reach out of the...

Locusts' built-in 'surface analysis' ability directs them to fly overland

...lf water and knew not to fly over it. The research focused on the ability of the locusts to identify polarized light. This is a trait which is lacking in humans but exists among other species, such as fish and insects. The research was conducted by Dr. Nadav Shashar, who is considered a leading world expert...

New law for resolution allows unprecedented sharpness in fluorescence microscopy

... biology, this statement is true even today, since focused light is the only way to examine living cells non-...ely. However, because of the wave nature of light, focused light is subject to diffraction. As early as 1873, Ernst Abbe recognized that this fact imposes an a...

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