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I am Intramural Blog

cognitive decline

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.

Another Piece of the Alzheimer’s Puzzle

A Conversation with Dr. Lori Beason-Held

Tuesday, June 18, 2019

Dr. Lori Beason-Held

Expert estimates suggest that more than 5.5 million Americans may have dementia caused by Alzheimer’s, a disease currently ranked as the sixth-leading cause of death in the United States. Because of the condition’s growing prevalence and profound consequences for patients, understanding Alzheimer’s disease and other forms of cognitive decline is an important goal within the Intramural Research Program. 

One example of the IRP’s many contributions to the field of Alzheimer’s research is a 2013 study that detected brain changes in older adults who would go on to develop cognitive impairment years before their memory began to fail. This research, led by IRP staff scientist Lori Beason-Held, Ph.D., aimed to understand who might be susceptible to developing Alzheimer’s disease and what factors contribute to the development of the disease before symptoms appear.

Sleep Apnea Produces Troubling Signs of Future Brain Disease

Tuesday, March 27, 2018

sleeping elderly couple

Like a bear leaves its ominous footprints in the snow, diseases and other biological processes often leave traces throughout our bodies. Recent technological and scientific advances have enabled clinicians to use measurements of these ‘biomarkers’ in their attempts to improve our health. A new study by IRP researchers revealed that patients with a sleep disorder called obstructive sleep apnea (OSA) have higher blood concentrations of certain biomarkers that may foreshadow poor brain health later in life.1

When people with OSA sleep, their throat muscles relax and block their windpipes, preventing proper breathing and often waking them up. As a result, these individuals get lower-quality sleep and their brains receive less oxygen at night.

“The overall idea is that those two conditions are not good for brain health, but nobody had really looked to see if some of the biomarkers we see in brain injury are also common in younger individuals with this type of disordered breathing,” says IRP Lasker Clinical Research Scholar Jessica Gill, Ph.D., R.N., the study’s senior author.

Untangling Alzheimer’s Disease — Searching for Biomarkers in Exosomes

Thursday, September 29, 2016

Maja Mustapic

What if we could diagnose risk for Alzheimer’s before symptoms appeared? To address the challenge, in the Laboratory of Neurosciences at the IRP, Dr. Maja Mustapic searches for Alzheimer’s biomarkers using liquid biopsies.

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