Key result
Target structures in muscle fibres from patients with neurogenic muscular atrophy showed significant over-representation of 55 proteins and under-representation of 40 proteins compared to controls.
Why the study?
Target skeletal muscle fibres can occur in patients with neurogenic muscular atrophy, but their specific protein composition and potential novel protein interactions remained uncharacterized.
Population
Skeletal muscle sections from 20 patients with neurogenic muscular atrophy
Comparison
Laser-microdissected targets vs intraindividual control areas
Design
Proteomic observational study
Authors
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Altered protein profiles in neurogenic atrophy merit validation; leaves open mechanistic and biomarker roles.
Observational (n=20)
Proteomic analysis reveals that target structures in neurogenic muscular atrophy are enriched in proteins involved in myofibrillogenesis, suggesting an ongoing process of sarcomere assembly or remodeling during reinnervation.
Krause et al. (2022) conducted an observational in neurogenic muscular atrophy (n=20). Target skeletal muscle fibres vs. intraindividual control areas was evaluated on Protein composition. Target structures in muscle fibres from patients with neurogenic muscular atrophy showed significant over-representation of 55 proteins and under-representation of 40 proteins compared to controls.
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