lungs

Startling Snapshots of Science

Vibrant Images Push Forward Environmental Health Research

cell junctions in tracheal epithelial cells from a TLR5 knockout mouse

Scientists and artists obviously don’t spend their days doing the same thing, but that doesn’t mean the former can’t sometimes inadvertently be the latter. Take for example the 14 IRP research fellows who submitted images to the most recent edition of the Fellows Scientific Image Competition at NIH’s National Institute of Environmental Health Sciences (NIEHS). The competition, held every few years, shows that biomedical science can not only save lives, but also look good doing it.

“We are excited to showcase the work of our trainees using visual media, which reminds us there is art in science and showcases the important research we’re all engaged in at NIEHS,” says NIEHS Scientific Director Darryl Zeldin, M.D., who initiated the competition.

A Fight With The Flu Could Help Control COVID-19

IRP Mouse Study Reveals Factors That Influence Pandemic Virus’ Replication in the Lungs

a person's lungs surrounded by virus particles

Tuberculosis, the flu, a staph infection, asthma — you’d think all these ailments could only be bad news for the lungs. However, if they don’t get out of control, they might actually turn out to have an unexpected benefit. A new IRP mouse study suggests that a recent bout with these illnesses might prime the lungs to keep a lid on a COVID-19 infection.

One of the most perplexing aspects of the COVID-19 pandemic was the huge variation in individual experiences with the disease. Despite the incredibly infectious nature of the virus that causes it, SARS-CoV-2, many people never got sick at all, or at least never showed symptoms. For those who showed symptoms, they ranged wildly, mild for some and life-threatening for others.

Seeking Antibiotic Alternatives to Annihilate Infections

IRP’s Darryl Zeldin Investigates New Ways to Combat Bacterial Pneumonia

a pile of pills

Our immune system is supposed to block infections like pneumonia, and in most instances, it does. Even so, nearly 1 million Americans each year become sick enough from pneumonia to require a visit to the hospital, and for about 50,000, the lung infection is deadly.

Multiple types of infectious organisms can cause pneumonia, and doctors use antibiotics to treat cases caused by bacteria. Unfortunately, bacteria are resilient organisms that have waged an evolutionary battle against our antibiotics ever since penicillin was first discovered, leading to alarming rates of antibiotic-resistant infections. It’s no wonder, then, that the public health community calls attention to this life-threatening conundrum each November during Antibiotic Awareness Week.

A Weaker MRI Scanner Shows Its Strength

Less Powerful Magnetic Fields Improve Heart and Lung Imagery

a person getting an MRI scan

On November 8, 1895, a physics professor in Bavaria was working in his darkened laboratory when he noticed glimmers of light breaking through a piece of heavy black paper and lighting up a screen behind it. As he placed thicker and heavier items between the source of light and the screen, the light remained. That was the day Wilhelm Röntgen accidentally discovered x-rays and changed medicine forever.

As we celebrate World Radiology Day on the 128th anniversary of that discovery, medical imaging now allows people to see inside the human body with a clarity Dr. Röntgen scarcely could have imagined. Magnetic resonance imaging (MRI), in particular, has seen huge advances due to the development of bigger and stronger magnets. In contrast to that trend, IRP Stadtman Investigator Adrienne Campbell-Washburn, Ph.D., has instead combined better software and hardware with a less powerful magnetic field to create a new type of ‘low-field’ MRI that is particularly useful for taking pictures of the heart and lungs and for guiding minimally invasive procedures.

Examining Genetic Influences on Lung Cancer

IRP Research Investigates Disease’s Roots Beyond Smoking

magnifying glass examining DNA in the lungs

Today is World Lung Cancer Day, bringing increased awareness to a disease most commonly associated with smoking tobacco products. Yet even though cigarette smoking rates have decreased over the past few decades, this deadly disease remains responsible for more deaths than any other type of cancer — more than 125,000 per year in the U.S. alone. In fact, between 10 and 25 percent of lung cancers occur in people who never smoked.

IRP Stadtman Investigator Jiyeon Choi, Ph.D., has always been curious about how our DNA influences the traits we have and our risk for diseases. When it comes to genes’ contribution to cancer risk, the stakes are particularly high, but Dr. Choi noticed a gap in research when it came to understanding the role genetic variation plays in lung cancer risk. She and her research team aim to fill this gap using a battery of high-tech genomic studies to root out the genes and molecular processes that make some people more susceptible to the disease.

Talk Science to Me

IRP Researchers Leave Jargon Behind for Three-Minute Talks Competition

scientist speaking into a megaphone

Scientific research is often said to take place in an “ivory tower” — not exactly an image associated with accessibility, trust, or empathy. Yet it is essential that members of the public be able to understand the work that researchers devote their lives to.

In recognition of that need, dozens of IRP postbacs, graduate students, and postdocs participate each year in NIH’s Three Minute Talks (TmT) competition. On June 22, this year’s eleven finalists offered clear and concise descriptions of their efforts to unfold the mysteries of proteins’ shapes, discover the lethal role of inflammation in infections, repackage cancer therapies to enhance their effectiveness, and much more.

Mapping the Pathway to an Asthma Attack

IRP Research Breathes New Life into Therapies for Treatment-Resistant Asthma

black man using an inhaler

It may start with a wheeze, a cough, or a feeling of tightness in the chest, but the result is the same. Acute asthma attacks make sufferers feel like they’re breathing through a straw while underwater. And even between attacks, having asthma can sometimes feel like your lungs are bound in tight bandages that make it difficult to take a deep breath.

World Asthma Day, observed this year on May 2, raises awareness of asthma, a common inflammatory disease that causes difficulty breathing in more than 260 million people worldwide, including 25 million in the U.S., roughly 8 percent of the country’s population. While many people can control their symptoms by taking medications and limiting certain activities, the condition still causes significant illness and even death.

Preventing Cellular Rust Hinders Tuberculosis

Study Suggests New Treatment Approach for Deadly Lung Infection

tuberculosis bacteria

Oxygen is, quite literally, the air we breathe (or, more accurately, 21 percent of it). However, just as oxygen in the air can turn a handy garden tool into a useless hunk of rust, certain unstable, oxygen-containing molecules in our bodies can wreak havoc on our cells. According to new IRP research, revving up cellular systems that prevent this kind of damage could significantly improve outcomes for people with tuberculosis.

Predicting Risks and Benefits for Lung Cancer Screening

IRP Researchers Refine Tools to Maximize the Benefit from Life-Saving Tests

patient getting a CT scan

Eleven years ago, IRP senior investigator Hormuzd Katki, Ph.D., had a bit of an eureka moment during a press event announcing the results of the National Lung Cancer Screening Trial, which demonstrated that annual screenings cut the risks of dying from lung cancer in heavy smokers by 20 percent.

“It struck me as I read the trial results that not only was this a very important trial, but that it was possible that different people will have different benefits from lung cancer screening,” Dr. Katki remembers. “Even within this group of very high-risk smokers who were part of the trial, you can identify some people who get much more benefit than other people, and that has implications for who should be offered this kind of screening.”

NIH History Shows Off Its Spooky Side

Museum Collection Contains Many Eye-Catching Objects and Photographs

Anyone who has engaged in a marathon of gruesome Halloween movies knows that the human body can be portrayed in ways that are frightening. Even in real life, the tools and techniques researchers use to understand disease may seem like something out of a work of fiction. In honor of Halloween this year, let’s sneak inside the archives of the Office of NIH History & Stetten Museum to see the spookiest nooks and crannies of our collection. Whatever you do, don’t turn out the lights!

model of the muscles and blood vessels in the head