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BREAKING NEWS: FDA Approves First Treatment for Friedreich’s Ataxia. LEARN MORE!

National Ataxia Foundation

2023 AAC

Biomarker

Snapshot: What are somatic expansions?

In a nutshell: somatic expansions are expansions of repeat DNA sequences that accumulate in cells over an individual’s lifetime. A special kind of mutation: repeat expansion mutations Some genes naturally contain repeat sequences in the DNA. For the most part, these DNA repeats are relatively short and do not cause Read More…

Decorative digital drawing of the brain

Snapshot: What is the pons?

Brainstem – the part that connects and acts as a communicator between our brain and our spinal cord. The brainstem itself is composed of midbrain, pons, and medulla oblangata. Even minor injuries or disruptions to this neural communication and this region can have devastating consequences. The pons is a horseshoe-shaped Read More…

Developing therapeutically relevant biomarkers for SCA3

Written by Dr Hannah K Shorrock Edited by Dr Vitaliy V Bondar Measuring levels of polyQ ATXN3 proteins in cerebrospinal fluid and plasma distinguishes SCA3 patients from unaffected individuals For disease-modifying medicines or therapies to be approved for use in the clinic, the treatments must demonstrate success at meeting pre-set Read More…

Measuring neurodegeneration in spinocerebellar ataxias

Written by Dr Hannah K Shorrock Edited by Dr. Maria do Carmo Costa Neurofilament light chain predicts cerebellar atrophy across multiple types of spinocerebellar ataxia A team led by Alexandra Durr at the Paris Brain Institute identified that the levels of neurofilament light chain (NfL) protein are higher in SCA1, Read More…

Snapshot: What is Cerebrospinal Fluid (CSF)?

Public transit may not be the first thing that comes to mind when we think about the brain, but it’s a great way to understand how all the parts of the central nervous system work together. Nutrients, hormones, and other important molecules (the passengers) need to get on and off Read More…

Elongating expansions in HD and SCA1

Written by Dr. Marija Cvetanovic  Edited by Dr. Larissa Nitschke Expanded CAG repeats are the cause of Huntington’s disease (HD) and several spinocerebellar ataxias (SCAs). Longer inherited CAG expansions correlate with the earlier disease onset and worse symptoms. We know from past research that these expansions are unstable and become longer Read More…

Snapshot: What is Neurofilament light protein (NfL)?

Nerve cells (aka neurons) are unique cells in that they have long, and thin extensions called axons which form connections with and talk to other neurons. This particular shape of neurons determines how quickly they can get their messages to other cells. You can think of the axons in the Read More…

A promising biomarker to track disease progression in SCA3

Written by Dr. Ambika Tewari Edited by Dr. Gulin Oz Neurofilament light chain could provide a reliable readout of how far an SCA3 patient’s disease has progressed How often have you heard that the most effective way to treat a disorder is early intervention? In reality, “early” is not possible Read More…

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