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MARS1HGNC Autosomal recessivePubMedPhenotypic expansion

Neurodevelopmental Profile of Children With MARS1-Related Pulmonary Alveolar Proteinosis: A Cohort Study.

Grosmaitre C, Le Bellego M, Boddaert N, et al.Am J Med Genet A 2026 · June 2026
Relevance score
7/10
Disease / domain
MARS1-related pulmonary alveolar proteinosis / neurodevelopmental involvement
Source
PubMed
PMID 42286830
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Variant / mechanism

Phenotypic expansion of *MARS1*-related disease: neurodevelopmental profile

Summary

This cohort study in the American Journal of Medical Genetics characterizes the neurodevelopmental profile of children with MARS1-related pulmonary alveolar proteinosis. While pulmonary manifestations are well-recognized and respond to high-dose methionine supplementation, neurodevelopmental involvement was poorly described. The authors document the frequency and nature of neurodevelopmental deficits.

Synthesis written by Geno'X. For the full original abstract, please refer to the source publication.

Analysis

MARS1-related disease illustrates how a condition initially described by its organ manifestations can reveal a more complex systemic phenotype over time, justifying systematic neurodevelopmental monitoring.

Why this score?

Clinical impact: 2/3 · Evidence strength: 2/3 · Novelty: 1/2 · Sample size: 1/1 · Publication status: 1/1 → Total: 7/10

Keywords

MARS1pulmonary alveolar proteinosisneurodevelopmentalphenotypic expansionmetabolic disease
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