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I am Intramural Blog

stroke

Picturing Stroke Recovery

IRP’s Larry Latour Peeks Into the Damaged Brain

Tuesday, May 28, 2024

x-ray view of the brain as a person experiences a stroke

The word ‘stroke,’ attributed to the idea of ‘a stroke of God’s hand,’ was first used in 1599 to describe the sudden seizure, paralysis, and brain damage that was previously called ‘apoplexy.’ It was a fitting analogy. Strokes, which affect nearly 800,000 Americans every year, hit suddenly and terrifyingly, with devastating consequences. Speed is critical to good treatment outcomes, but until recently very little could be done. 

May is Stroke Awareness Month, a time to draw attention to the risks and symptoms of stroke and the new treatments that are helping people recover with fewer lasting effects. We recently spoke with IRP senior scientist Lawrence L. Latour, Ph.D., an expert on brain imaging who leads the Acute Cerebrovascular Diagnostics Unit, a unique partnership between the NIH Intramural Research Program and two hospitals in the metro, D.C., area: Suburban Hospital and Medstar Washington Hospital Center. The collaboration, launched in 2000, aimed to incorporate magnetic resonance imaging (MRI) in examinations of patients experiencing symptoms of stroke. This allowed the clinicians to diagnose patients more easily and then, through imaging at later time points, look at how patients responded to their treatments in order to learn ways to improve therapy.

Research Reveals Trigger for Brain’s Repairmen

IRP Discoveries Could Enhance Recovery from Brain Injuries

Tuesday, August 15, 2023

people with repair tools working on a person's head

Many futurists and science fiction writers dream about a time when nanobots will run around our bodies fixing any damage that occurs. Until that day comes, we’re reliant on our immune system to mop up when things go wrong, a fickle set of cells that sometimes needs a push to get going. IRP scientists recently discovered how a particular type of cell in the blood stimulates the brain’s construction crew to leap into action, potentially opening the door to treatments that boost healing in the brain.

Modified Stem Cells Boost Regeneration After Stroke

New Technique Overcomes Major Obstacle to Stem-Cell-Based Treatments

Tuesday, May 14, 2019

neurons (white) grown from neural stem cells

Your brain cells need plenty of oxygen and nutrients to survive — that is, unless you’re a hibernating ground squirrel. By tapping into the cellular process that keeps these animals’ brains healthy during the long winter months, IRP scientists have discovered a way to increase the survival of neuron-producing stem cells implanted into the brain after a stroke, a development that could one day dramatically improve stroke treatment.

A Summer Dive Into NIH History

Tuesday, September 4, 2018

With summer winding down, it's about time we took another dive into some NIH history! These new additions to the NIH Stetten Museum collection feature some of the most prominent investigators ever to walk the NIH campus, including a Nobel prize winner and a scientist who made important discoveries about how electricity travels between neurons.

Dr. Marshall Nirenberg

IRP Scientists Curb Inflammation to Protect Brain Cells From Stroke

Tuesday, April 10, 2018

schematic of an ischemic stroke

Every forty seconds, someone in the United States suffers a stroke, and researchers across the country are hunting for a way to help brain cells survive these traumatic events. A group of IRP researchers recently discovered a promising new tool to aid in this effort. By blocking the action of a brain chemical called monoacylglycerol lipase (MAGL), the scientists markedly reduced stroke-related brain damage and disability in rats.1

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