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Updated: Aug 14, 2025

Real-Time Fluorescent Measurement of Synaptic Functions in Models of Amyotrophic Lateral Sclerosis
Published on: July 16, 2021
Advances in sequencing technologies for amyotrophic lateral sclerosis research
Evan Udine1,2, Angita Jain1,2,3, Marka van Blitterswijk4
1Department of Neuroscience, Mayo Clinic, 4500 San Pablo Road S, Jacksonville, FL, 32224, USA.
Amyotrophic lateral sclerosis (ALS) research uses advanced sequencing technologies to find genetic causes. Long-read sequencing is emerging to explain complex genetics and uncover new ALS-linked genes.
Area of Science:
- Neuroscience
- Genetics
- Medical Research
Background:
- Amyotrophic lateral sclerosis (ALS) involves motor neuron loss, rapid progression, and fatality within 2-5 years.
- Numerous genes are linked to ALS, yet many cases remain genetically unexplained.
- Understanding ALS genetics is crucial for developing effective treatments.
Purpose of the Study:
- To review current and emerging technologies for identifying genes associated with Amyotrophic lateral sclerosis (ALS).
- To highlight the role of novel sequencing methods, particularly long-read sequencing, in ALS research.
- To discuss how these advancements can help explain the genetic basis of ALS.
Main Methods:
- Review of established genetic analysis techniques: linkage analysis, Sanger sequencing, and genome-wide association studies.
- Discussion of next-generation sequencing (NGS) approaches like whole-exome and whole-genome sequencing.
- Emphasis on emerging long-read sequencing technologies for detecting structural variations and repeat expansions.
Main Results:
- Next-generation sequencing has been instrumental in discovering new ALS-linked genes.
- Long-read sequencing shows promise in identifying genetic variations, such as repeat expansions, that contribute to ALS.
- Methodological advancements are essential for addressing the complex genetic landscape of ALS.
Conclusions:
- Advanced sequencing technologies are critical for advancing ALS gene discovery.
- Long-read sequencing offers new avenues for understanding the genetic underpinnings of ALS, potentially explaining missing heritability.
- Continued innovation in sequencing platforms will enhance our comprehension of this debilitating disease.
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