Interferon cures only 20 percent of patients infected with hepatitis C virus. HHMI researchers may know the reason why.
Complex mathematical analysis reveals how potassium is allowed to travel across the cell membrane.
Laura Poling unfazed by the sudden attention on the controversy around an article published in the February 12, 1999 issue of the journal Science, which challenges the fossil record by concluding that turtles, not birds, are the closest living relatives of crocodiles.
Sons conceived with the aid of a popular in vitro fertilization technique carry same genetic mutations that rendered their fathers infertile.
HHMI announces the 1999 awards for graduate education and medical student research training fellowships.
Molecular studies of a family of genes are pruning branches from the old evolutionary tree.
Genetic studies confirm that one gene mutation plays a major role in inherited deafness; the importance of another genetic mutation is called into question.
HHMI researchers discover a gene responsible for triggering embryonic cells in the inner ear to develop into sound- and motion-sensing hair cells.
HHMI researchers have found a protein whose activity controls the shape of a developing organ.
HHMI invites colleges, universities to compete for $48 million to enrich undergraduate science education.
HHMI researchers have discovered a molecule that resembles a component of snake toxins, but has a dramatically different effect on the nervous system.
Conference in Moscow on June 22-25 to feature International Research Scholars from 10 countries. Read about it in English or Russian.
HHMI to award $14 million through new international initiative to combat diseases with worldwide impact.
HHMI to award $15 million to support biomedical research in the Baltics, Central and Eastern Europe and the former Soviet Union.
Howard Hughes Medical Institute Awards $1.32 Million to Cold Spring Harbor Laboratory for Short Courses
Four-year grant will support 12 advanced courses on topics such as parasitism, embryology, microbial diversity and cell signaling.
Nitric oxide prevents programmed cell death by handcuffing the molecular executioner.
A new grant opens NIH internships to science teachers throughout the Washington, D.C. area.
HHMI's Trustees have announced that Thomas R. Cech of the University of Colorado at Boulder will become the next president of the Institute.
Studies of a molecule that causes severe weight loss in cancer patients may yield new drugs to treat obesity.
Two HHMI labs discover a new molecular road sign that directs axons to their proper destination in the central nervous system.
HHMI researchers find that the mahogany protein suppresses obesity and plays a role in the immune system.
With odorant receptor genes from Drosophila in hand, researchers hope to learn how odors influence behavior.
How does the nose discriminate between different odors?
HHMI researchers have developed a versatile method for improving binding properties of potential drugs.
HHMI researchers have identified a gene that influences formation of the chambers of the heart.
Mouse geneticists get a boost with the release of an encyclopedia containing more than 360,000 genetic sequences.
By studying flies that have mutations similar to some cancer patients, HHMI researchers have found a new type of tumor suppressor gene.
HHMI's International Research Scholars from six countries in the Americas gathered in Rio de Janeiro for a scientific conference. Special Web reports covered the event while it was happening.
Dopamine transporter knockout mice developed by HHMI investigator Marc Caron and colleagues have provided a wealth of information about the molecular nature of some behavioral disorders.
A human cell surface protein that maintains the structural integrity of tissues is also the portal of entry for bacteria and viruses.
HHMI investigators have produced an image of the active form of the HIV enzyme reverse transcriptase. This work may clarify how mutations render HIV resistant to antiviral drugs.
A team of scientists from the Howard Hughes Medical Institute at the University of Chicago has found that a ubiquitous protein may explain how relatively sudden changes in body shape occur in a species.
Un equipo de científicos del Instituto Médico Howard Hughes en la Universidad de Chicago ha encontrado que una ubicua proteína puede explicar cómo se llevan a cabo los cambios relativamente repentinos en la forma del cuerpo de una especie.
The most common genetic cause of infant mortality happens because cells cannot properly process messenger RNA. The search for drugs to correct this defect is underway.
Conference in Rio on January 19-22 to feature International Research Scholars from six countries in the Americas.
Christine E. Seidman and Richard P. Lifton will discuss the genetics of cardiovascular disease and the role of the kidney in hypertension at HHMI's annual lecture series for high school students and other viewers.
HHMI investigators have found a cellular target of survival signals that can override programmed cell death.
Genetic studies have uncovered a host of new genes involved in the formation of spores in yeast. The studies may illuminate germ cell production in vertebrates.
HHMI researcher Leonard Zon leads a team that has cloned a zebrafish anemia gene, producing one of the first fish models of a human disease. The achievement opens a new avenue for studying the genetics of human diseases.
Grants will help selected institutions to sustain their critical biomedical research activities amid major changes in the U.S. health care system.
HHMI researchers show that ribozymes and enzymes are ready to perform their biological function as soon as they are produced.
HHMI selects young physicians to receive support to train as physician-scientists.
$800,000 HHMI grant will enable JSTOR to offer online access to all past issues of Science, the Proceedings of the National Academy of Sciences and other journals.
The tumor suppressor p16 normally holds the growth-promoting molecule Cdk6 in check. New structural insights may explain how Cdk6 slips free from p16, promoting cancer development.
HHMI researchers produce the first glimpses of the molecular machinery that propels neurotransmitters into the synapse.
New HHMI Web site provides hands-on activities for elementary school students.
Purnell W. Choppin, president of the Howard Hughes Medical Institute, has announced that he will retire at the end of 1999.
More than $425 million awarded since 1988 to revitalize undergraduate biological sciences education.
HHMI investigators have found another molecular landmark that points growing neurons to their proper destination in the brain or spinal cord.
Researchers report the first hard evidence that most cases of colon cancer arise when mutations in a genetic "master brake" help to switch on a well-known cancer-promoting gene.
Researchers used to identify important developmental genes one at a time. Now, a technique developed in Drosophila is taking wing, and hundreds of novel genes have been found.
Researchers find that a drug used to treat adult-onset diabetes may promote the formation of colorectal tumors.
The human immune system can recognize and destroy thousands of invaders. Did this diversity come about accidentally when a mobile piece of DNA inserted itself into the mammalian genome more than 450 million years ago?
Researchers discover new details about how cells monitor the signals that stimulate proliferation or shut down cell growth. Such signals can turn a normal cell into one that grows uncontrollably, the first step in the development of cancer.
A powerful, award-winning video that encourages minority students to pursue careers is now available on the Web.
Meeting Features Leading Biomedical Scientists From Central Europe, Former Soviet Union and the Baltics
Salt is poison for people with high blood pressure. Genetic studies are beginning to clarify who is at risk and why.
Scientists Determine Structure of HIV-1 Protein that Grasps Human Cells.
Researchers have identified a faulty conduit into nerve cells that causes them to fire uncontrollably, triggering the brief seizures that characterize some forms of epilepsy.
eCircadian clocks maintain the sleep-wake cycle for a 24-hour day in a variety of organisms. Two HHMI researchers and their colleagues have discovered more of the clock's molecular components.
Hughes investigators have discovered a family of packemaker ion channels that power the heart and the brain
Knockout mice point the way to a new theory of how a ubiquitous protein may promote heart disease.
The Institute plans to award $12 million in new grants for precollege science programs at biomedical research institutions.
Jeremy R. Knowles, Dean of the Harvard University Faculty of Arts and Sciences, has been elected a Trustee of the Howard Hughes Medical Institute.
HHMI researchers have discovered a genetic mutation that damages heart muscle so that it dilates to the point where the heart can no longer pump blood.
Familial hypertrophic cardiomyopathy is the most common underlying cause of sudden cardiac death in young athletes. New research suggests the disorder may be more widespread than previously thought.
Research to improve vaccines for infectious diseases must move forward. At the same time, according to HHMI investigator Barry Bloom, scientists should be perfecting vaccines that tackle pathogens associated with other diseases, such as cancer and heart disease.
Hughes investigators have discovered that a compound produced by the ocean-dwelling sponge Haliclona shuts down the ubiquitous cellular motor proteins that power cell division and a variety of other processes.
For nearly 50 years, scientists have wondered what a potassium channel looks like. Now, an HHMI research team at The Rockefeller University unveils the channel's surprising architecture.
Spontaneous neural activity in the developing brain is necessary to help organize the detailed connections that exist in the visual system.
Recent research may help clarify whether type 2 diabetes is caused by errant genes or faulty biology.
New Web site provides 'one-stop shopping' for young researchers seeking fellowships, grants.
How does a virus inactivate a tumor suppressor protein? Hughes researchers have crystallized one key tumor suppressor in the act of being handcuffed by a fragment of the human papilloma virus.
Impact of Market Changes on Medical Research and Training to be Considered at Conference at HHMI on February 23-24
The discovery of two nerve cell hormones and their receptors may help explain how the brain senses hunger signals and responds by increasing appetite.
Hughes investigators have identified two of the Ebola virus's main targets in the human body. They are now working on a vaccine against Ebola virus that primes the immune system to ward off the virus.
Three teams of Hughes researchers are closer to understanding how axons, the long projections of nerve cells, grow toward and across an organism's midline to wire up both sides of the body.
HHMI researchers have determined the three-dimensional structure of a protein-RNA complex that shepherds the production of infectious copies of HIV. The structure is a promising target for new antiviral drugs. Article published in the January 16, 1998 issue of Science.
Researchers suspect that a combination of genes and environment determine one's susceptibility to allergic conditions. Hughes researchers and colleagues at Washington University have identified a mutant protein that may cause hypersensitivity to common allergens.
HHMI physician postdoctoral fellow Michael Yaffe and his colleagues have demonstrated a new mechanism that governs chaperone activity and affects the vitality of cells.
HHMI predoctoral fellow develops a computer program that offers a quick, easy and free way to produce restriction maps of DNA sequences.
Benjamin Doranz, an HHMI predoctoral fellow, is helping to devise a gene therapy technique that could destroy the hidden, latent reservoir of HIV-infected cells that escape drug therapy. Article published in the November 21 issue of Science.
HHMI international scholar B. Brett Finlay hopes to learn exactly how E. coli adheres to target cells - and to improve the treatment of diarrheal diseases.
Details of the 1997 Holiday Lecture Series.
New centers at medical schools provide centralized access to the increasingly powerful tools and specialized expertise that drive modern biology.
HHMI's representative in Russia, Laura Kennedy, has helped the Institute's international research scholars in the region to overcome a wide range of problems.
Research by an undergraduate at the University of South Carolina could lead to a better understanding of the genetic relationship among dinosaurs, birds and alligators.
Hanna H. Gray, president emeritus and Harry Pratt Judson Distinguished Service Professor of History of the University of Chicago, has been elected chairman of the Trustees of the Howard Hughes Medical Institute, effective November 4.
Lisa Goodrich and HHMI investigator Matthew Scott are probing how genes that guide normal development can sometimes go awry and lead to cancer.
Stephen M. Cohen has been elected vice president and chief financial officer of the Howard Hughes Medical Institute by its Trustee, it was announced today by Purnell W. Choppin, M.D., president of the Institute.
More and more institutions are sending undergraduates off campus - to industry, a government laboratory, another college or university - to do research.