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I am Intramural Blog

IRP Life

Translating Genetic Findings Into Dementia Treatments

Tracing the Path From Bench to Bedside

Tuesday, December 17, 2024

brain behind DNA molecule

When IRP graduate student Pilar Alvarez Jerez looked at the results of a recent experiment, she noticed that when a particular genetic variant is present in a gene called GBA1, it causes a change in the gene's activity. The GBA1 variant, which is associated with Parkinson’s disease and Lewy body dementia, was discovered last year in people of African ancestry by researchers at NIH’s Center for Alzheimer's and Related Dementias (CARD). It appears to suppress the gene’s ability to make a functional version of an enzyme that helps brain cells recycle their proteins.

“This was an interesting finding, but it still didn’t answer how the variant was functioning to lower enzyme activity,” Pilar says.

From Friend to Foe: When the Immune System Turns on the Brain

IRP Research is Exploring the Role of Immune Cells in Dementia

Monday, November 4, 2024

illustration of fire trucks rushing to put out a fire in the brain

If you visit a lab at NIH’s Center for Alzheimer’s and Related Dementias (CARD), you may find yourself surrounded by several robots hard at work nurturing the hundreds of sets of genetically modified stem cells that CARD scientists use to study the illnesses that give CARD its name. Many of these cells will be coaxed to mature into the neurons that power our movements, thoughts, and memories — but not all of them. Neurons have long received the lion share of dementia researchers’ attention, understandable seeing as the visible symptoms of Alzheimer’s disease are closely linked to a build-up of proteins — amyloid-beta and misfolded tau — that damage neurons. However, neurons aren’t the only brain cells involved in dementia.

Inside the NIH Brain Bank

IRP Group Supports Neuropsychiatric Research

Thursday, October 10, 2024

gloved hands holding a brain

More than half of Americans are registered organ donors, signed up to gift organs like kidneys and livers to patients in need of a transplant when they die. However, far fewer people have signed up to donate their brains to biomedical research upon their deaths. At NIH, the Human Brain Collection Core (HBCC) acts as a steadfast steward of this precious and scarce scientific resource, giving the brains of deceased donors a second life as a key driver of life-changing neuropsychiatric research.

Nearly 60 million adults in the U.S. suffer from a psychiatric disorder, and examining the brains of these individuals is indispensable for determining the molecular mechanisms underlying these diseases. Consequently, the HBCC provides invaluable assistance to scientists seeking to improve our understanding and treatment of such conditions. In recognition of World Mental Health Day today, let’s take a glimpse into how the Core is accelerating investigations into the mass of gray and white matter that makes each of us who we are. 

The Boon of Blood

A Look Inside NIH’s Department of Transfusion Medicine

Wednesday, June 21, 2023

a patient receiving blood during a surgery

The essential role of blood in our bodies has been recognized as far back as the time of ancient Greece, when the Greek physician Hippocrates included it in his list of four ‘humors’ that influence our health and emotions. Since then, scientists have vastly expanded our understanding of the dark red liquid running through our veins and arteries. Nowadays, researchers and technicians like those in NIH’s Department of Transfusion Medicine (DTM) can not only safely remove blood from one person and transfuse it into another, but they can also transform it into incredible forms of therapy.

The Life-Saving NIH Blood Bank

Blood Donors Play Critical Role in IRP’s Mission

Wednesday, June 14, 2023

Hal Wilkins (left) and Dr. Kamille West-Mitchell (right) pose with a sign for the NIH Blood Bank

The NIH IRP is full of vampires. Hundreds of patients at the NIH Clinical Center — not to mention scientists in roughly 200 IRP labs — depend on blood provided by NIH’s very own blood bank.

Conveniently located in the NIH Clinical Center, the NIH Blood Bank collects roughly 4,000 units of ‘whole blood’ each year — the process most people think of when they think of donating blood. It also receives more than 2,000 annual donations of specific blood components, which are collected via a process that separates them from other parts of the blood and returns the rest to the donor’s body. Most of those donations gather blood-clotting platelets, but the NIH Blood Bank also occasionally collects oxygen-carrying red blood cells and infection-fighting ‘convalescent plasma.’

IRP Clinical Trials Provide Irreplaceable Hope

Volunteering for Studies Allows Me to Help Myself and Others

Friday, February 28, 2020

NIH research participant Noah Victoria in a patient room at the NIH Clinical Center

Watching my dad carry the luggage to the car has become an all-too-familiar sight. It’s time for my mom and me to head to the NIH again, another trip in a lifelong journey for answers. I give my dad a long hug goodbye, and then I watch him stand alone in the driveway as we back away. The gravel arduously aches and crunches under our tires, a sound as uncomfortable as my symptoms even on my good days — few as there are.

The Social Side of Health

Understanding Social and Behavioral Research in the IRP

Tuesday, December 3, 2019

social and behavioral science diagram

The NIH IRP is world-renowned for its high-risk, high-reward biomedical research. While the NIH may be best known for its clinical and biomedical research on topics from cancer to allergies to addiction, IRP investigators have also produced a rich body of work conducted in the area of social and behavioral research (SBR). In this post, I will describe how SBR furthers the NIH’s goals of improving human health with some examples of the excellent work done by SBR investigators in the IRP.

Developing Science Teams Form, Storm, Norm, and Perform

Tuesday, August 13, 2019

Overcoming complex diseases, from viruses to cancers to mental health and beyond, requires teams of people in a variety of settings. At the NIH IRP, researchers with very different expertise and backgrounds tackle the most difficult biomedical questions by working together.

Collaboration and Team Science Field Guide

If you’re planning to engage in team science or collaborations of any sort, keep these four words in mind, as they are what newly organized team members should expect on the road to success: forming, storming, norming and performing. Each step, outlined in this blog entry with insights from two leading IRP investigators, is a phase of team development, as originally introduced in the 1960s by Bruce Tuckman (See page 46 of NIH’s Collaboration and Team Science Field Guide).

Postbac Life: A Week in an IRP Lab

Tuesday, February 26, 2019

postbac IRTA Lindsey Jay examining a slide using a microscope

What does a postbac actually do in the NIH IRP? Maybe you have an image of someone mixing colorful chemicals together like a mad scientist (which sometimes isn’t too far from the truth).

Although I am not creating any diabolical concoctions, I am kept quite busy running tests to examine whether our treatments reverse the effects of lung fibrosis, a thickening and scarring of lung tissue. Here’s what a typical week looks like for me.

Postbac Life: Wading Into Drug Discovery Research

Thursday, January 24, 2019

“That machine? You’re gonna have to get up close and personal with it,” Josh, my fellow postbac, told me. I looked at this small metal contraption and nodded, trying to appear as if I understood, while thinking: he just means that people spend so much time sectioning organs on the microtome that it’s like spending an extended amount of time with a loved one, right?

Fast forward a few days, and I find myself breathing warm, moist air onto a paraffin-embedded mouse lung to soften the wax, just before I slice four-micrometer sections of mouse lung tissue that will later be stained and examined under a microscope. “He wasn’t kidding,” I muttered.

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