Tag: "rockefeller" at biology news

Rockefeller University scientists take on controversial 'vibration theory' of smell

Two researchers at Rockefeller University have put a controversial theory of smell to the sniff test and have found no evidence to support it....... They say their study, published in the April issue of Nature Neuroscience, should raise firm doubts about the validity of "vibration theory," which states that molecules in each substance generate a specific vibration frequency that the nose can inte...

By the year 2050, human population could add 2.6 billion people, reports Rockefeller scientist

It took from the beginning of time until 1950 to put the first 2.5 billion people on the planet. Yet in the next half-century, an increase that exceeds the total population of the world in 1950 will occur.... ...So writes Joel E. Cohen, Ph.D., Dr.P.H., professor and head of the Laboratory of Populations at The Rockefeller University and Columbia University, in a Viewpoint article in the November...

White House awards National Medal of Science to Rockefeller University's James Darnell

James E. Darnell Jr., M.D., a pioneering researcher in the field of gene regulation, will receive the National Medal of Science, the White House announced today. Darnell is among eight American scientists to receive the award, the nation's highest honor for lifetime achievement in fields of scientific research....... The 12th Rockefeller scientist to receive this award, Darnell will receive the N...

Lasker Award honors Rockefeller University biochemist for pioneering studies of gene activation

Robert G. Roeder, Ph.D., a biochemist whose research has led to major advances in understanding how human genes are switched "on" and "off," is this year's recipient of the highly prestigious Albert Lasker Award for Basic Medical Research, the Albert and Mary Lasker Foundation announced today. ... ...Roeder investigates a biological process called transcription, a crucial activity occurring at al...

Rockefeller scientists identify 'natural' proteins that push stem cells to produce hair, not skin

The clearest picture to date of how two proteins determine the destiny of a stem cell that is genetically programmed to develop into either hair or skin epidermis is emerging with mouse embryos as models for human biology from the Howard Hughes Medical Institute at Rockefeller University. The scientists' latest results are reported in this week's (March 20) issue of the journal Nature.... ...The...

Rockefeller, Weill Cornell researchers find link between estrogen, brain structure changes

Scientists at Rockefeller University and Weill Medical College of Cornell University have discovered how estrogen initiates physical changes in rodent brain cells that lead to increased learning and memory -- a finding, the researchers contend, that illustrates the likely value of the hormone to enhance brain functioning in women.... ...Their study, published in the March 15 issue of The Journal...

Rockefeller researchers provide the first functional evidence for mammalian pheromone receptors

Pheromones - chemical signals that influence social and reproductive behaviors - have been studied since the 1950s, but the molecules in the mammalian nervous system that actually detect pheromones have remained elusive. ...... Now, a team of researchers, led by The Rockefeller University's Peter Mombaerts, M.D., Ph.D., provides the first functional evidence for molecular receptors for pheromones...

Another transmembrane protein structure solved by Rockefeller scientists

...... "Why did nature come up with such a structural plan?" ask Rockefeller University professor Roderick MacKinnon and colleagues in their Jan. 17 Nature cover article describing the three-dimensional structure of a type of chloride channel called the ClC. ... ...... The high-resolution crystallographic images published in Nature represent another instance of the Rockefeller scientists remark...

Rockefeller researchers identify defense system in plants

. . . Researchers at The Rockefeller University have discovered that an experimental plant may harbor an additional line of defense against drought, once it has left the safety of its seed. The work suggests that a well-known plant hormone delays the growth of newly sprouted plants in order to give them one last chance to monitor their environment for signs of dryness before initiating growth....

Rockefeller University Centennial Symposium to explore biology of drug abuse and addiction

.Why does the use of heroin, cocaine and alcohol lead to life-threatening dependency in some people, while others never become addicted? And why do some people succeed in treatment, while others continue to relapse? On March 30, 2001, six leaders in the field of addiction research will present an overview of the latest scientific findings on cocaine, opiate and alcohol addiction, exploring how g...

Rockefeller University researchers discover immune-cell mechanism that boosts therapeutic antibody potency

.Researchers at The Rockefeller University, in collaboration with Genentech, Inc., have made a surprising discovery about the mechanism by which two currently used clinical antibodies fight tumors. The finding, reported in the April issue of Nature Medicine, has immediate implications for increasing the potency of an entire class of cancer drugs now on the market and for developing more effectiv...

Rockefeller and Aaron Diamond researchers say resistance to HIV drugs may be higher than previously thought

. . .A study of patients infected with the AIDS virus revealed that about one in six.was carrying a strain that is resistant to at least one of the drugs targeting.HIV, researchers report from the Aaron Diamond AIDS Research Center, an.affiliate of The Rockefeller University. Lead author Daniel Boden, M.D., and 11.colleagues report the research as the cover story in the Sept. 22-29 issue...

Rockefeller scientists discover surprising new cancer gene

.Scientists at The Rockefeller University have found, for the first time, that.the persistent activation of a protein called Stat3 can, by itself, cause normal.cells to behave like cancer cells. The research, reported in the August 6 issue.of Cell, provides both a scientific surprise and a promising new target in the.fight against cancer. Scientists already knew that Stat3 was often activated in...

Rockefeller researchers inject cells, boost immune system in humans

. . .A single injection of specialized immune system cells -- removed from the.bloodstream and exposed to a foreign substance -- can trigger a potent immune.response in humans that lasts for months, Rockefeller University researchers.report. The experiment provides the first conclusive evidence that one dose of.these cells, called dendritic cells, can prompt a strong immune response, and it.sugg...

Rockefeller University Scientists Receive Prestigious Awards For Cancer Research

. . .DETROIT - Arnold J. Levine, Ph.D., newly appointed president of The Rockefeller.University, and Robert G. Roeder, Ph.D., professor and head of the Laboratory of.Biochemistry and Molecular Biology, have been recognized by the General Motors.Cancer Research Foundation for their major contributions to cancer research.. .Dr. Levine was cited for the isolation, cloning, and characterization of t...

NYU And Rockefeller Scientists Design Molecules That Stymie A Notorious Bug

. NEW YORK, Feb. 15, 1999 -- Scientists at New York University School of.Medicine and The Rockefeller University have discovered the structure of a key.compound that enables a dangerous bug to cause devastating infections. They have.also designed molecules that block the compound's effects, opening a novel way.to combat these infections. . . The scientists, led by NYU's Richard Novick...

Rockefeller University Researchers Continue Search For Genetic Ties To Hearing Loss

.Rockefeller University is looking for families with a history of hearing.impairment to participate in a study aimed at identifying the genetic causes of.non-syndromic hearing loss (NSHL), which is hallmarked by hearing impairment.without other simultaneously occurring medical conditions. This study is part of.the research program of the University's Starr Center for Human Genetics. ."By focusi...

Rockefeller University Researchers Hunt For Type 2 Diabetes Susceptibility Genes

The Rockefeller University is looking for people with type 2 diabetes to...participate in a study aimed at determining the genetic causes of early- and...late-onset forms of the disease. The study is part of the research program of...the university's Starr Center for Human Genetics....... "We hope that by identifying genes that cause type 2 diabetes we can develop...better diagnostic tools and i...

Researchers From Rockefeller University Develop Novel Method To Fight Cancer

.Researchers from The Rockefeller University in New York City have developed a.new method to fight cancer by using dendritic cells to activate T cells via a.new pathway. Reported in the March 5 Nature, the technique offers the promise of.new therapies for cancer, AIDS and autoimmune diseases.. "We've shown that dendritic cells can trigger an immune response when cultured.with dying cells which c...
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