KrabbeFacts.org

KrabbeFacts.org

A collaborative initiative to bring together quality information about Krabbe disease from trusted sources for you and your family

For more information on Krabbe disease, visit HuntersHope.org and KrabbeConnect.org.

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Leukodystrophy Newborn Screening Action Network

Leukodystrophy Newborn Screening Action Network

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Info@ldnbs.org

http://www.ldnbs.org

The Leukodystrophy Newborn Screening Action Network is dedicated to :

  • Advancing Newborn Screening for leukodystrophies and lysosomal storage disorders by building relationships with stakeholders, increasing awareness, and educating parent advocates;
  • Supporting newly-diagnosed families by acknowledging the trauma of diagnosis and working to improve the current psychosocial support system for the future;
  • Encouraging collaboration, coordinating efforts, and removing barriers between industry, advocacy groups, and parent advocates to ensure that families have access to the best, unbiased, accurate information about clinical trials and available treatments for their child.

We do not believe in wasting time and resources by starting from scratch with each new disorder. Instead, we want to build partnerships across the dozens of leukodystrophy groups so we can work together, coordinate our efforts, share resources and information, and advance the goal of newborn screening for our entire family of disorders around the world.

©2025

Krabbe Disease Stakeholder Committee. For website issues or requests please email info@krabbefacts.org.

Cerebral spinal fluid (CSF)

The fluid surrounding the brain and spinal cord. Doing tests on this fluid rather than the blood can help doctors get a better picture of what levels are like in the brain.

Enzyme assay

A test that measures how much of an enzyme there is in the blood. Low or absent enzyme levels can point toward a diagnosis.

Fibroblast culture

Growing fibroblasts in the lab. Fibroblasts are found in the skin or other connective tissue. Doing tests on fibroblasts sometimes gives doctors a better idea of what’s happening in the body’s tissues than testing on blood, especially if someone has had a stem cell transplant before.

Galactocerebrosidase (GALC)

An enzyme, or protein, the body uses to break down certain types of fats called galactolipids. If there isn’t enough GALC, these galactolipids can build up and cause problems in the nervous system (brain, spinal cord).

Galactocerebrosidase leukocytes (GALCW)

A test used to measure the amount of galactocerebrosidase in the blood.

Gene

Small parts of DNA that give instructions to make something the body needs.

Leukodystrophy

A type of genetic condition that affects the white matter of the brain, spinal cord and other nerves.

Lysosomal Storage Disorders (LSD)

A group of genetic conditions involving part of the cell called the lysosome. Lysosomes help break down things in the cell. If something isn’t working correctly in the lysosome things that are either toxic or that cause the cells to not work properly can build up, which causes the symptoms of each condition.

Myelin sheath

A protective layer or protein and fats around nerve cells.

Nerve conduction velocity study

A test that looks for nerve damage by measuring how fast electricity is moving between nerves.

Psychosine (PSY)

A toxic lipid, or fat, that builds up in the brain in Krabbe disease.

Tandem mass spectrometry (MS/MS)

A test used to measure metabolites in the body. These include amino acids (the building blocks of proteins) and acylcarnitines (used in making energy). Checking to see if there is too much or too little of one of these metabolites in the blood can help point doctors to a diagnosis.