By activating regions of the brain linked to food-related pleasure, scientists are learning how the brain mediates the link between food preferences and hunger.
Blood vessels in the lungs produce signals that activate the regeneration of alveoli—the tiny cavities through which blood takes in oxygen and releases carbon dioxide.
The fruit-fly protein Zelda helps govern the developmental handoff from mother's influence to an animal's own genome.
Fruit flies integrate smell and visual information to fine-tune flying behavior.
Seven HHMI investigators are among the 65 new members announced today.
New HHMI research shows that reactivating fetal hemoglobin production in adult mice effectively reverses sickle cell disease.
Nueva investigación del HHMI muestra que la reactivación de la producción de hemoglobina fetal en ratones adultos revierte eficientemente la enfermedad de células falciformes.
At least 100 trillion bacteria live in the mammalian gut. How can we carry all those organisms and not get sick?
HHMI scientists have identified a cellular pathway that may be key to sparking growth of pancreatic beta cells in mice and humans.
Neurobiologist Leslie Vosshall will discuss why mosquitoes bite some people and not others at a lecture on November 9. The event is free and open to the public.
New research pinpoints a biological barrier that has thus far slowed progress in creating disease-specific stem cell lines using a technique known as nuclear transfer.
Dietary folic acid helps prevent a subset of neurological birth defects in humans. Now, researchers have found that certain genetic mutations in mice that mimic these birth defects do not respond to a diet enriched with folic acid.
In the last 18 months, Janelia Farm has recruited two group leaders, four fellows and four junior fellows.
In one region of the human brain, new cells are generated only until 18 months of age.
Most of the neurons in the VNO, a sensory organ long assumed to be primarily devoted to pheromone detection, are dedicated to the detection of animals from other species.
A new study in fruit flies suggests that DEET confuses insects by jamming their odor receptors.
New studies highlight promising vaccine strategies to prevent malaria parasites from causing illness and death.
Horwich and Franz-Ulrich Hartl share the 2011 Albert Lasker Basic Medical Research Award for key discoveries that elucidate steps in protein folding.
Scientists have identified a genetic regulator that controls the reshuffling of gene segments in immune cells.
Beachy is being honored for his work on Hedgehog, a key molecule in development.
HHMI researchers have developed a potential TB vaccine that completely eliminates tuberculosis bacteria from infected tissues in some mice.
Distinct areas of the brain process sweet, bitter, salty, and umami tastes.
Designer ion channels that can turn neurons on or off will help researchers understand the connection between behavior and neural circuitry.
The first definitive proof of a weak spot in the parasite's apicoplasts—organelles with ancient plant origins—offers hope for drugs and vaccines against malaria.
New research has classified vertebrate evolution in relation to periods of evolution marked by changes in specific kinds of genes.
Protective chemicals known as interferons may identify themselves by how tightly they grip their receptor at various attachment points.
An HHMI-funded researcher has used online gene expression profiles to match old drugs with diseases in need of treatments.
Next-generation sequencing and stem cell technology have helped scientists identify a mutation that causes retinitis pigmentosa.
Understanding of antibody may help scientists design a longer-lasting vaccine against the influenza virus.
A test that detects a cancer-causing fusion gene in men’s urine could help reduce the number of prostate biopsies performed each year.
Two studies reveal genetic mutations often present in the most common form of head and neck cancer, offering a picture of how the cancer develops and how therapeutics could treat it.
A genetic comparison of E. coli strains, including the one responsible for the recent outbreak of infections in Europe, underscores how rapidly evolving bacterial genomes can lead to the emergence of new pathogens.
Altering the balance of excitatory and inhibitory inputs in the brains of mice disrupts the animals' social interactions.
The neurological problems caused by Fragile X syndrome may be due to excess synthesis of certain proteins.
An immune defense protein uses prion-like qualities to fend off viruses.
Small bits of RNA can cause a connective tissue cell from human skin to transform into a nerve cell.
A new understanding of a gene that is commonly mutated in people with myeloid leukemia could help lead to new treatments.
Scientists have used a gene therapy tool that acts like intelligent molecular scissors to correct the key gene defect in mice with hemophilia B.
Fifteen scientists working in the plant sciences gain flexible support from HHMI and the Gordon and Betty Moore Foundation to move their research in creative new directions.
The Howard Hughes Medical Institute (HHMI) and the Gordon and Betty Moore Foundation (GBMF) have selected 15 of the nation’s most innovative plant scientists to join a new initiative that boosts much needed funding for fundamental plant science research.
Simon Chan is a 2001 Plant Science Program HHMI-GBMF Investigator.
New research pinpoints differences between cancer stem cells in squamous cell cancer and normal stem cells in the skin, which could be exploited to create powerful new anti-cancer therapeutics.
A new study helps explain how fruit flies commit details of their surroundings to memory.
Medzhitov shares Shaw Prize for discoveries related to innate immunity.
Joanne Chory and Thomas Steitz have been elected foreign members of the Fellowship of the Royal Society.
A detailed comparison of DNA and RNA in human cells has uncovered a surprising number of cases where the corresponding sequences are not, as has long been assumed, identical.
HHMI scientists suggest that as many as 20 percent of sporadic autism cases can be explained by spontaneous gene mutations.
Científicos del HHMI sugieren que tanto como un 20 por ciento de los casos de autismo esporádico pueden explicarse por mutaciones genéticas espontáneas.
A class of proteins known for its involvement in muscle development, brain connectivity, and cancer has now been found in the liver, where it spurs sugar production when we need it most.
Adult planarians, masters of regeneration, harbor pluripotent stem cells that appear to have the same all-purpose qualities as embryonic stem cells.