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Elucidation of Selective Motor Neuron Death in Amyotrophic Lateral Sclerosis (ALS)

NOMIS Project 2015

— 2019

Amyotrophic lateral sclerosis (ALS) is the most common motor neuron disease in human adults, with an estimated five in 100,000 people worldwide affected at any moment. This devastating disease is characterized by progressive degeneration of the cells that enable voluntary muscle movement—the motor neurons—which evokes motor defects and ultimately leads to paralysis.

Although most ALS cases appear sporadic, the rare cases with clear family history allow researchers to hunt for genes that cause disease if individuals carry a defective version. One such gene is fused in sarcoma (FUS); it encodes the information to produce FUS protein. Mutations in the FUS gene only account for only about 3 percent of familial ALS cases but also some sporadic cases; however, they are often associated with a very aggressive course of the disease and early onset of symptoms. “Mutant” FUS proteins—in contrast to “normal” FUS proteins—enter the cell nucleus less efficiently and tend to form insoluble aggregates in the cytoplasm that are found in the brains and spinal cords of FUS-linked ALS patients. How exactly this leads to ALS is currently unknown. The Elucidation of Selective Motor Neuron Death in ALS project sought to identify the molecular processes responsible for the development of ALS, processes that could be therapeutically targeted to treat this devastating disease.

The project was initiated by Marc-David Ruepp and Oliver Mühlemann at the University of Bern and was subsequently led by Marc-David Ruepp at King’s College London, London, United Kingdom.


NOMIS Researcher(s)

Reader in RNA biology and molecular neurodegeneration
King’s College London

Project News

Jonas Mechtersheimer and Daniel Jutzi, students in the research laboratory of NOMIS scientist Marc-David Ruepp, obtained their PhDs in molecular biology on May 1, 2020, and September 1, 2020, respectively, […]


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