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Scientists turn stem cells into pork

January 18, 2010

Scientists in several countries are developing ways to make meat in the laboratory from stem cells that could one day offer a economical, green alternative to raising livestock and help alleviate world hunger.

Scientists twist light to send data at more than 2 terabits per second

June 27, 2012

1569-twisted-light-beams-data-at-2-5tbps

A multinational team led by USC with researchers in the U.S., China, Pakistan, and Israel has developed a system of transmitting data using twisted beams of light at ultra-high speeds — up to 2.56 terabits per second.

Broadband cable supports up to about 30 megabits per second. The twisted-light system transmits about 85,000 times more data per second.

Their work might be used to… read more

Scientists uncork a potential secret of red wine’s health benefits

July 31, 2009

Resveratrol {found in red wine and supplements} may be harnessable as a treatment for inflammatory diseases, such as appendicitis, peritonitis, and systemic sepsis, and may also lead to new resveratrol-based drugs that are even more effective, experiments by Scientists from Scotland and Singapore with mice suggest.

They also found that resveratrol used a one-two punch to stop inflammation in the mice by preventing the body from creating two different… read more

Scientists uncover a clue to stopping the spread of cancer through the body

December 28, 2007

Scientists at the London Research Institute have identified a protein that reduces the formation of secondary cancer tumors by blocking a protein that helps cancer cells spread out from the initial tumor.

The discovery may help in the design of new drug treatments for cancer to prevent cancer-cell migration.

Scientists uncover previously hidden network that regulates cancer genes

October 18, 2011

Net One

Researchers at Columbia University Medical Center (CUMC) and two other institutions have uncovered a vast gene regulatory network (“mPR network“) in mammalian cells that could explain why there is such genetic variability in cancer.

The researchers say the findings could broaden inquiry into how tumors develop and grow, who is at risk for cancer, and even inactivate key cancer molecules.

“The discovery… read more

Scientists unlock key to cancer cell death mystery

April 5, 2012

cancercelldeath

An international team of scientists led by the University of Leicester has discovered that cells from sarcomas (a form of cancer) tend to die in response to a protein called p21, and that this effect is determined by the sensitivity of the cancer-cell mitochondria to oxidants.

The p21 protein usually forces normal and cancer cells to stop dividing but it was recently shown that in some cases it can also… read more

Scientists unlock secrets of protein folding

September 18, 2007

A team led by biophysicist Jeremy Smith of the University of Tennessee and Oak Ridge National Laboratory has taken a significant step toward unraveling the mystery of how proteins fold into unique, three-dimensional shapes.

The team determined that small hydrophobic areas of the peptide, up to the size of a water molecule, induce different behavior in water than larger hydrophobic areas, and that this difference is crucial for the… read more

Scientists unmask brain’s hidden potential

August 27, 2008

The normally developed visual system quickly becomes engaged to process touch in response to complete loss of sight, researchers at the Beth Israel Deaconess Medical Center have found in experiments with Braille tests.

The speed and dynamic nature of the changes they observed suggest that rather than establishing new nerve connections — which would take a long time — the visual cortex is unveiling abilities that are normally concealed… read more

Scientists unravel secrets of long life

August 9, 2002

Longevity is related to body temperature, and to levels of insulin and DHEAS (dehydroepiandrosterone sulphate) circulating in the blood, according to researchers at the National Institute of Ageing in Baltimore.

Men with lower temperature and insulin and those maintaining higher DHEAS levels have greater survival than respective counterparts.

Scientists use brain scans to predict outcome of psychotic episodes

November 8, 2011

Computer analysis of MRI brain scans could could help predict how severe the future illness course of a patient with psychosis will be and how best to treat patients, according to research by King’s College London and University College London.

They took MRI brain scans of patients when they presented to clinical services with a first psychotic episode. In addition, the researchers scanned the brains of a… read more

Scientists Use Curvy DNA to Build Molecular Parts

August 7, 2009

A programmable technique for twisting and curving DNA into shapes, using strands of DNA that self-assemble into rigid bundles, has been developed by researchers at Dana Farber Cancer Institute and Harvard University.

The researchers built several structures, including a 12-toothed gear and a wire-frame ball. The goal is to eventually build a machine that could, say, deliver a tiny amount of a drug to a precise spot in the… read more

Scientists use optogenetics to control reward-seeking behavior

June 30, 2011

Nerve Cells

Researchers at the University of North Carolina at Chapel Hill have manipulated brain wiring responsible for reward-seeking behaviors in mice, using optogenetic stimulation targeting the path between two critical brain regions, the amygdala and the nucleus accumbens.

The finding represents potential treatments for addiction and other neuropsychiatric diseases, according to the researchers.

With the optogenetic technique, scientists transfer light-sensitive proteins called “opsins”… read more

Scientists use stem cells to grow new human hair in the lab

Next step: transplant stem-cell-derived human dermal papilla cells back into human subjects (any volunteers?)
January 28, 2015

Sanford-Burnham scientists grew human dermal papillae cells from stem cells. (credit: Sanford-Burnham Medical Research Institute)

A method for initiating human hair growth — using human pluripotent stem cells to create new cells — has been developed by Sanford-Burnham Medical Research Institute (Sanford-Burnham) researchers.

Their idea is to coax human pluripotent stem cells to become dermal papilla cells — a unique population of cells that regulate hair-follicle formation and growth cycle. (Human dermal papilla cells on their own are… read more

Scientists Use Sunlight to Make Fuel From CO2

January 7, 2008
(Randy Montoya/Sandia)

Researchers at Sandia National Laboratories in New Mexico have found a way of using sunlight to recycle carbon dioxide and produce fuels like methanol or gasoline.

The Sunlight to Petrol, or S2P, project essentially reverses the combustion process, recovering the building blocks of hydrocarbons.

The Sandia team envisions a day when CR5s are installed in large numbers at coal-fired power plants. Each of them could reclaim… read more

Scientists Warn of Diminished Earth Studies From Space

January 16, 2007

The nation’s ability to track retreating polar ice and shifting patterns of drought, rainfall and other environmental changes is being put “at great risk” by faltering efforts to replace aging satellite-borne sensors, the National Research Council of the National Academies warned.

By 2010, the number of operating Earth-observing instruments on NASA satellites, most of which are already past their planned lifetimes, is likely to drop by 40 percent.

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