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Q. What did the researchers discover? A. The NHLBI-funded researchers discovered a novel means by which viruses spread between cells: multiple polioviruses, a type of enterovirus, travel together within a membrane-enclosed sac, arriving together at a cell they then infect. Q. How do the viral clusters form? A. After the viruses reproduce themselves...

In both sickle cell disease (SCD) and thalassemias, known collectively as hemoglobinopathies, the bone marrow produces red blood cells that contain mutated hemoglobin. The consequences of this mutation can be severe. In SCD, for example, several biological processes are impaired, and damage occurs to almost every organ system. Given the complex...

National Institutes of Health- (NIH) supported research is shedding light on how sleep and lack of sleep affect the human body. The NIH and its partners will continue to work together to advance sleep research. Download a jpg file of the infographic.

Scientists have been using fluorescent proteins, ultraviolet light and optical microscopes since the 1990s to tag and observe living cells. This groundbreaking technique, based on a naturally occurring protein found in bioluminescent jellyfish, garnered a Nobel Prize in Chemistry.

Subsequent...

“In the face of adversity, you have to have faith that you can be committed to succeed,” said Gary H. Gibbons, M.D., director of the National Heart, Lung, and Blood Institute (NHLBI) to a group of 12 students from Tougaloo College in Jackson, Mississippi. Dr. Gibbons welcomed the students, who...

Dr. Stewart Levine, Senior Investigator in the NHLBI Laboratory of Asthma and Lung Inflammation, discovered his love of science and medicine in high school. From there, he went on to study biology as an undergraduate student, where he had his first opportunity to participate in laboratory...

Images of the reduction in blood flow after a mental stress test compared to after a physical stress test and at rest.

When it comes to the effects of emotional stress on the heart, young men and women may not be created equal. Understanding the role of emotional factors—in particular psychological stress—on heart disease risk is a professional passion for longtime NHLBI grantee, Dr. Viola Vaccarino, a leader in...

Dr. Gbenga Ogedegbe from the New York University School of Medicine is sitting in his parked car in the garage of his home in New Jersey. It is 5:30 p.m. on a Thursday evening and he is eager to join his wife and three sons for dinner. But first, he picks up his cell phone to return a call from...

What at first glance may seem like a child’s drawing is instead an image of dividing cells. Taken by Earl Stadtman Investigator Dr. Nasser Rusan from NHLBI’s Laboratory of Molecular Machines and Tissue Architecture, the image of a pig cell in the process of dividing is one of 46 scientific images...