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I am Intramural Blog

aging

Toxic Protein and Aging Combine Forces to Drive Brain Disease

IRP Study Suggests New Therapeutic Targets for Pair of Age-Related Illnesses

Tuesday, December 20, 2022

older man

Aging wears down all parts of our bodies, from our bones to our brains. It’s no surprise, then, that it’s the main risk factor for neurological illnesses like Parkinson’s disease and dementia. However, the precise reason why has long remained a mystery. New IRP research suggests that the aged brain is a fertile ground for the spread of a harmful protein associated with several neurological diseases, and that the toxic protein itself ages immune cells in the brain.

Predicting Risks and Benefits for Lung Cancer Screening

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

Wednesday, November 16, 2022

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.”

Poster Sessions Celebrate Summer Science

Annual Event Brandishes the Next Generation of Clinicians and Scientists

Wednesday, August 24, 2022

 Andrés Gorbea, Sarah Bengtson, Lietsel Jones, Michaella Bono, and Joseph Grech

A year after hundreds of high school, undergraduate, and graduate students were only able to participate from afar in NIH’s 2021 Summer Internship Program, IRP researchers were excited to welcome some of the program’s 2022 participants to campus. Regardless of whether they were working in the lab or remotely, these budding scientists received a full-time immersion into the world of IRP science and, surely, learned a great deal from the mentorship of NIH’s many world-renowned researchers.

To celebrate the interns’ hard work, NIH’s Summer Poster Days on August 3 and 4 gave more than 600 of them the opportunity to virtually present posters explaining their projects. With so many bright young men and women displaying the fruits of their scientific labors, it was difficult to select just a handful to highlight in this blog. Read on to learn about how five of NIH’s 2022 summer interns shed light on topics from the microbes living on our skin to the blood-clotting platelets that flow through our veins.

Poster Days Spotlight Young Researchers

Budding Scientists Showcase Research at Annual Event

Wednesday, May 25, 2022

Yasmin Ali

Any scientist who wants to make game-changing discoveries has to start somewhere — even Albert Einstein worked in a patent office before landing his first job in academia. Through its Postbaccalaureate IRTA program, NIH hopes to give aspiring scientists more of a leg up than Einstein had by bringing them into IRP labs after they complete their undergraduate studies.

On April 26, 27, and 28, more than 900 recent college graduates participating in the program presented at this year’s virtual Postbac Poster Days. Read on to learn about a few of these young researchers and their contributions to the groundbreaking work being done at NIH.

Languishing Cellular Batteries Foretell Movement Problems

Prediction Method Could Help Prevent Age-Related Physical Decline

Tuesday, April 19, 2022

burned out lightbulb

Throughout human history, people have sought insight into their fates from self-proclaimed psychics and other dubious fortune tellers. Fortunately, scientists are increasingly developing more reliable, data-driven ways to predict the future. For instance, IRP researchers recently showed that an assessment of the cellular batteries that power our muscles can predict the deterioration of physical abilities in older adults.

Older Cells Make for Riskier Transplants

Examining Molecular Markers of Aging Could Improve Patient Outcomes

Tuesday, September 14, 2021

old clock

In 2003, 92-year-old Fauja Singh ran the Toronto Waterfront Marathon in slightly under six hours, a feat that many people decades younger could not accomplish. Such examples reveal the problems with making assumptions about a person’s health based solely on age. Similarly, new IRP research suggests that assessing cellular characteristics associated with aging, rather than a person’s chronologic age in years, could improve outcomes for the more than 20,000 patients who receive bone marrow or blood stem cell transplants each year.

NIH Summer Interns Show Off in Poster Exhibitions

Budding Scientists Present Their Research During Three-Day Virtual Event

Monday, August 30, 2021

Deeya Garg

Although NIH’s 2021 Summer Internship Program (SIP) was fully virtual this year, that didn’t stop the hundreds of participating high school, college, and graduate students from contributing to a variety of important IRP research projects. More than 500 students who worked in NIH labs this summer presented their work during this year’s Summer Presentation Week, which took place August 3-5.

I sifted through the lengthy list of presenters at the event and spoke with a diverse group of young men and women who spent their summers expanding our knowledge of human health and biology. Read on to learn about these promising future scientists and doctors and the research they completed this summer.

Experimental Compound Supercharges Cellular Power Plants

Treatment Approach Could Combat Obesity and Its Consequences

Tuesday, July 20, 2021

light bulb

When your phone or laptop is low on power, you simply connect it to a charger and find the nearest electrical outlet, but the process of restoring lagging energy production in our cells is not nearly as simple. However, a new IRP study has identified a promising approach for doing just that, which could lead to new treatments for obesity and related metabolic ailments like heart disease and diabetes.

Alzheimer’s Patients Show Traces of Cellular Batteries in Blood

Biomarker Discovery Could Aid Diagnosis and Therapeutic Development

Tuesday, February 16, 2021

extracellular vesicles containing genetic material

Our cells can’t afford to be wasteful, so they prefer to recycle broken components. However, when the mitochondria that provide their energy are damaged beyond repair, cells may have no choice but to throw them out. New IRP research suggests that more of this mitochondrial debris floats in the blood of patients with Alzheimer’s disease, potentially providing an easy, cost-effective way to diagnose or even possibly predict the illness.

Alcohol Abuse Makes ‘Epigenetic Clock’ Run Faster

Study Finds Heavy Alcohol Use Accelerates Cellular Aging

Tuesday, October 29, 2019

old clock

In an era when 80-year-olds are running marathons while 30-year-olds suffer from obesity-induced heart attacks, inferring the condition of people’s bodies from their birth years is a bit outdated (pun intended). As a result, scientists and clinicians are increasingly examining biological signposts to gauge how well a person’s tissues are functioning. By looking at chemical markers on DNA, IRP researchers recently found that heavy alcohol use accelerates aging at the cellular level.

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